CN112405431B - Locking device in automatic press fitting equipment and using method thereof - Google Patents
Locking device in automatic press fitting equipment and using method thereof Download PDFInfo
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- CN112405431B CN112405431B CN202011254631.8A CN202011254631A CN112405431B CN 112405431 B CN112405431 B CN 112405431B CN 202011254631 A CN202011254631 A CN 202011254631A CN 112405431 B CN112405431 B CN 112405431B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 abstract description 6
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000009423 ventilation Methods 0.000 description 10
- 210000003437 trachea Anatomy 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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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
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
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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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pulleys (AREA)
Abstract
The invention discloses a locking device in automatic press-fitting equipment and a using method thereof, belongs to the field of locking devices, and aims to solve the problems that in the prior art, manual connection of an automobile instrument pointer vent threaded pipe is long in consumed time, low in installation efficiency, easy to generate fatigue after long-term work and accidents caused by air leakage of the connected threaded pipe occur.
Description
Technical Field
The invention belongs to the field of locking devices, and particularly relates to a locking device in automatic press fitting equipment and a using method thereof.
Background
The pointer in current motormeter mostly passes through, the pressure equipment forms, connect two trachea connecting pieces on motormeter air pressure pointer's the screwed pipe of ventilating through the manual work, through aerating device to the trachea air feed, gaseous along the trachea enter into motormeter air pressure pointer's the screwed pipe of ventilating, press the pointer pressure equipment on motormeter panel at cooperation pressure head device, this in-process, every instrument pointer of connecting the screwed pipe of ventilating, need consume workman 1-2 minutes time, efficiency is very low, the totality consumes man-hour longer, the automation level is low. After workers work for a long time, the novel connecting piece is extremely easy to fatigue, needs high concentration of energy, is neglected slightly, can generate air leakage when the connecting piece is not installed in place, and can be directly scrapped due to unqualified products caused by air leakage. The air pipe can be damaged by long-time work, and the accident of pipe explosion can happen, so that the development of a locking device capable of realizing automatic screwing to replace manual screwing is very practical in order to avoid the situation.
Disclosure of Invention
The invention provides a locking device in an automatic locking device and a using method thereof, aiming at solving the problems that in the prior art, the manual connection of an automobile instrument pointer ventilation threaded pipe is long in consumed time, low in installation efficiency, easy to generate fatigue after long-term work and easy to cause accidents due to air leakage generated by the connected threaded pipe;
a locking device in automatic pointer press-fitting equipment of a barometer comprises a locking nut and a belt wheel, wherein the locking nut is arranged at the top end of the belt wheel and is fixedly connected with the belt wheel, the locking nut is a hexagon nut, a limiting plate is arranged at the bottom of the locking nut, and a connecting through hole is processed at the top of the limiting plate;
furthermore, a gas convolution groove is processed on the upper surface of the limiting plate in the locking nut and is arranged around the connecting through hole;
further, the belt wheel comprises a nut mounting section, a belt mounting section and a bearing mounting section, the nut mounting section, the belt mounting section and the bearing mounting section are sequentially and integrally formed from top to bottom, and the nut mounting section, the belt mounting section and the bearing mounting section are communicated;
furthermore, a cavity is formed in the top of the nut mounting section, a first through hole is formed in the center of the bottom of the nut mounting section, a plurality of locking threaded holes are formed in the side wall of the nut mounting section at equal intervals along the circumferential direction, and locking nuts are arranged in the cavity of the nut mounting section and fixedly connected to the nut mounting section through a plurality of fastening bolts;
further, the cross section of the cavity in the nut mounting section is in a regular hexagon shape;
further, the method comprises the following steps: a plurality of teeth are uniformly machined on the outer circumferential surface of the belt mounting section along the circumferential direction and are used for being meshed with a belt, and a second through hole is machined in the center of the top end of the belt mounting section;
furthermore, a plurality of teeth are uniformly processed on the outer circular surface of the belt mounting section along the circumferential direction and are used for being meshed with a belt, and a second through hole is processed at the center of the top end of the belt mounting section;
furthermore, the connecting part of the belt mounting section and the nut mounting section is arranged in a gradient manner, and the connecting part of the belt mounting section and the bearing mounting section is arranged in a gradient manner;
furthermore, a sealing groove is formed in the outer circular surface of the bearing mounting section, a third through hole is formed in the center of the top end of the bearing mounting section, the connecting through hole, the first through hole, the second through hole and the third through hole are coaxially arranged, the diameters of the first through hole, the second through hole and the third through hole are the same, and a chamfer is formed in the bottom end of the bearing mounting section;
a method of using a locking device in an automatic locking device, the method comprising the steps of:
the method comprises the following steps: sleeving a self-lubricating bearing on a bearing mounting section of the belt wheel, and sleeving a sealing ring in a sealing groove below the self-lubricating bearing;
step two: the belt wheel is arranged on the lifting platform through a self-lubricating bearing, and the belt wheel and the lifting platform are ensured to rotate without obstacles;
step three: inserting an air pipe of an air inlet device into the first through hole, the second through hole and the third through hole in the belt wheel;
step four: mounting a locking nut on the nut mounting section of the belt wheel and locking the locking nut through a fastening bolt;
step five: arranging the air tap in the locking nut, arranging a conduit of the air tap in the first through hole and communicating the conduit with the air pipe, and ensuring that the air in the air pipe can be discharged through the air tap;
step six: sleeving a belt on a belt mounting section of a belt wheel, and matching teeth on the inner wall of the belt with teeth on the circumferential direction of the belt mounting section to realize that the belt drives the belt wheel to rotate;
step seven: the locking nut rotates along with the belt wheel and moves up and down along with the lifting platform, and is in threaded connection with the bottom of the vent threaded pipe on the automobile instrument through threads.
Compared with the prior art, the invention has the following beneficial effects:
according to the locking device in the automatic locking device and the using method thereof, the belt wheel is driven by the belt to rotate, so that the nut arranged on the belt wheel can be screwed on the ventilation threaded pipe of the automobile instrument pointer, the connection time of the air pipe and the ventilation threaded pipe is greatly reduced by replacing manual screwing with an automatic screwing mode, the working efficiency is at least improved by 70%, meanwhile, when the locking device provided by the invention is used for connecting the air pipe and the ventilation threaded pipe, the connection accuracy is also greatly improved, the occurrence of air leakage after connection is effectively avoided, and the safety in working is greatly improved.
Drawings
FIG. 1 is a schematic main sectional view of the present invention (a gas convolution groove is formed in a lock nut);
FIG. 2 is a schematic main sectional view of the present invention (no process gas convolution groove in the lock nut);
FIG. 3 is a schematic front view of the pulley of the present invention;
FIG. 4 is a schematic main sectional view of the pulley of the present invention;
FIG. 5 is a schematic top view of FIG. 1;
FIG. 6 is a top view of FIG. 2;
FIG. 7 is a cross-sectional view of a locking nut with gas convolute grooves of the present invention;
in the figure, a locking nut 1, a gas convolution groove 11, a belt wheel 2, a nut placing section 21, a belt placing section 22, a bearing placing section 23, a gas nozzle 3 and a gas pipe 4 are arranged.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 and 2, and the embodiment provides a locking device in automatic pressure equipment of barometer pointer, the locking device comprises a locking nut 1 and a belt pulley 2, the locking nut 1 is arranged on the top of the belt pulley 2, the locking nut 1 is fixedly connected with the belt pulley 2, the locking nut 1 is a hexagon nut, the bottom of the locking nut 1 is provided with a limiting plate, and a connecting through hole is processed at the top of the limiting plate.
In the embodiment, the existing air pipe connecting piece is replaced by the locking nut 1 and the belt wheel 2, the motor is used as an input end, the belt is used for transmitting the torque to the belt wheel 2, the belt wheel 2 is rotated, meanwhile, the locking nut 1 at the top of the belt wheel 2 is driven to be screwed on a ventilation threaded pipe of an automobile instrument pointer, manual operation is replaced by an automatic mode, and the connection accuracy is guaranteed while the work efficiency is greatly improved.
The second embodiment is as follows: the present embodiment will be described with reference to fig. 1 and 7, and the present embodiment further defines the locknut 1 according to the first embodiment, in the present embodiment, a gas convolution groove 11 is further formed on the upper surface of the stopper plate in the locknut 1, and the gas convolution groove 11 is provided around the connection through-hole.
In the embodiment, the upper surface of the limit plate is also provided with a gas rotary groove 11 for playing the role of gas sealing, after the locknut 1 is communicated with the tail end of a ventilation threaded pipe on an automobile instrument, gas can enter the ventilation threaded pipe through a gas pipe, but the gas can generate upward thrust when suddenly entering the ventilation threaded pipe in actual work, so that little gas leaks along the thread to expand the joint of the vent threaded pipe and the locking nut 1, the service life of the vent threaded pipe is influenced after long-time work, a little leaked gas enters the gas convolution groove 11 after the gas convolution groove 11 is increased, when the locking nut 1 and the vent threaded pipe are loosened, gas can be discharged along with the release, expansion of the joint of the vent threaded pipe and the locking nut 1 due to leakage of a small amount of gas during working is reduced, and the service life of the device is prolonged.
The third concrete implementation mode: referring to fig. 3 and 4, the present embodiment is described, and the present embodiment further defines the pulley 2 according to the first embodiment, in the present embodiment, the pulley 2 includes a nut placing section 21, a belt placing section 22 and a bearing placing section 23, the nut placing section 21, the belt placing section 22 and the bearing placing section 23 are integrally formed in sequence from top to bottom, and the nut placing section 21, the belt placing section 22 and the bearing placing section 23 are communicated with each other.
In the embodiment, the existing air pipe connecting piece is replaced by the nut and the belt wheel, the motor is used as an input end, the belt is used for transmitting the torque to the belt wheel, the belt wheel is rotated, the nut at the top of the belt wheel is driven to enable the belt wheel to be screwed on the vent threaded pipe of the automobile instrument pointer, manual operation is replaced by an automatic mode, and the connecting accuracy is guaranteed while the working efficiency is greatly improved.
The fourth concrete implementation mode: referring to fig. 3 and 4, the present embodiment is described, and is further limited to the nut placing section 21 according to the third embodiment, in the present embodiment, a cavity is processed at the top of the nut placing section 21, a through hole is processed at the center of the bottom of the nut placing section 21, and a plurality of locking threaded holes are processed at equal intervals along the circumferential direction on the side wall of the nut placing section 21. Other components and connection modes are the same as those of the third embodiment.
In this embodiment, nut arrangement section 21 is used for settling the nut of being connected with the air tap pipe of motormeter pointer, and a through-hole is used for setting up the air cock pipe, guarantees that the gas in the trachea can enter into the air tap pipe of motormeter pointer smoothly, and a plurality of locking screw holes are used for through fastening bolt from the side direction clamp nut, guarantee nut and band pulley fastening connection.
The fifth concrete implementation mode: the present embodiment is described with reference to fig. 3 and 4, and the present embodiment further defines the nut setting section 21 according to the fourth embodiment, and in the present embodiment, the number of the locking screw holes on the nut setting section 21 is 3 to 6. The other components and the connection mode are the same as those of the second embodiment.
In this embodiment, the number of locking screw hole is difficult too much also difficult too little, too little can influence the clamping force to the nut, the clamp force is inhomogeneous simultaneously, can lead to the nut dislocation, influence the compactness of being connected of nut and the screwed pipe of ventilating in the working process, locking screw hole too much can influence the rigidity at band pulley top, reduce the life of band pulley, locking screw hole is too much also do benefit to processing simultaneously, the cost of manufacture has been increased, combine actual conditions, locking screw hole's number is 3-6, more preferably 3.
The sixth specific implementation mode: the present embodiment is described with reference to fig. 5 and 6, and the present embodiment further defines the nut setting section 21 according to the third embodiment, and in the present embodiment, the cross section of the cavity in the nut setting section 21 is a regular hexagon. Other components and connection modes are the same as those of the first embodiment.
In this embodiment, the cross section of the cavity is regular hexagon to better fit with the nut.
The seventh embodiment: referring to fig. 3, the present embodiment is described, which further defines the belt installation section 22 according to the third embodiment, in the present embodiment, a plurality of teeth are uniformly machined on the outer circumferential surface of the belt installation section 22 along the circumferential direction for engaging with the belt, and a second through hole is machined at the center of the top end of the belt installation section 22. Other components and connection modes are the same as those of the first embodiment.
In this embodiment, the second through hole in the belt installation section 22 is used for installing an air pipe, so as to ensure that the air in the air pipe can smoothly enter the ventilation threaded pipe of the automobile instrument pointer.
The specific implementation mode is eight: referring to fig. 3, the present embodiment is described, which further defines the belt settling section 22 according to the fifth embodiment, in which the connection point between the belt settling section 22 and the nut settling section 21 is set to be a slope, and the connection point between the belt settling section 22 and the bearing settling section 23 is set to be a slope. The other components and the connection mode are the same as the fifth embodiment mode.
In this embodiment, when the belt rotates the driving pulley, the upper and lower ends of the belt contact the bottom surface of the nut placement section 21 and the top surface of the bearing placement section 23, which causes wear and produces resistance, and affects the transmission of torque, therefore, the connection between the belt placement section 22 and the nut placement section 21 and the bearing placement section 23 is set at a slope, so as to avoid the belt contacting the nut placement section 21 and the bearing placement section 23 during operation.
The specific implementation method nine: referring to fig. 4, this embodiment is described, and the bearing housing section 23 according to the sixth embodiment is further defined, in this embodiment, a sealing groove is formed on an outer circumferential surface of the bearing housing section 23, a third through hole is formed at a center of a top end of the bearing housing section 3, the first through hole, the second through hole and the third through hole are coaxially arranged, the first through hole, the second through hole and the third through hole have the same diameter, and a chamfer is formed at a bottom end of the bearing housing section 23. Other components and connection modes are the same as those of the sixth embodiment.
In this embodiment, consider that bearing arrangement section 3 mostly is self-lubricating bearing of suit on the actual work time outer wall, the inside lubricating oil that can be equipped with of bearing, the seal groove will set up in the below of self-lubricating bearing suit position, establish the sealing washer through the cover and prevent that the lubricating oil in the self-lubricating bearing from revealing, the same and coaxial setting in aperture of a through-hole, No. two through-holes and No. three through-holes is comparatively smooth when inserting the band pulley in order to make the trachea simultaneously, can not appear interfering.
The detailed implementation mode is ten: the present embodiment is described with reference to fig. 1 to 3, and provides a method of using a pulley in an automatic locking device, the method being implemented by the steps of:
the method comprises the following steps: sleeving a self-lubricating bearing on the bearing mounting section 23 of the belt wheel 2, and sleeving a sealing ring in a sealing groove below the self-lubricating bearing;
step two: the belt wheel 2 is arranged on the lifting platform through a self-lubricating bearing, and the belt wheel and the lifting platform are ensured to rotate without obstacles;
step three: inserting an air pipe of the air inlet device into the first through hole, the second through hole and the third through hole in the belt wheel 2;
step four: mounting a locking nut 1 on a nut mounting section 21 of a belt pulley 2 and locking the locking nut by a fastening bolt;
step five: arranging the air tap in the locking nut 1, arranging a conduit of the air tap in the first through hole and communicating the conduit with the air pipe, and ensuring that the air in the air pipe can be discharged through the air tap;
step six: the belt is sleeved on the belt mounting section 22 of the belt wheel 2, and the belt drives the belt wheel to rotate through the matching of teeth on the inner wall of the belt and teeth on the circumferential direction of the belt mounting section 22;
step seven: the locking nut 1 rotates along with the belt wheel 2 and moves up and down along with the lifting platform, and is in threaded connection with the bottom of the ventilation threaded pipe on the automobile instrument through threads.
In this embodiment, the hexagon nut bottom is equipped with the baffle, and the upper end of air cock can set up on the baffle, and the bottom of baffle can be processed there is the through-hole, and the pipe of air cock can stretch into the band pulley through the through-hole on the baffle to with the trachea intercommunication setting in the band pulley, guarantee gaseous smooth circulation.
Claims (2)
1. The utility model provides a locking device in automatic pressure equipment which characterized in that: the locking device comprises a locking nut (1) and a belt wheel (2), the locking nut (1) is arranged at the top end of the belt wheel (2), the locking nut (1) is fixedly connected with the belt wheel (2), the locking nut (1) is a hexagon nut, a limiting plate is arranged at the bottom of the locking nut (1), and a connecting through hole is processed at the top of the limiting plate;
a gas convolution groove (11) is further processed on the upper surface of the limiting plate in the locking nut (1), and the gas convolution groove (11) is arranged around the connecting through hole;
the belt wheel (2) comprises a nut mounting section (21), a belt mounting section (22) and a bearing mounting section (23), the nut mounting section (21), the belt mounting section (22) and the bearing mounting section (23) are sequentially and integrally formed from top to bottom, and the nut mounting section (21), the belt mounting section (22) and the bearing mounting section (23) are communicated;
a cavity is processed at the top of the nut mounting section (21), a first through hole is processed at the center of the bottom of the nut mounting section (21), a plurality of locking threaded holes are processed on the side wall of the nut mounting section (21) at equal intervals along the circumferential direction, and the locking nuts (1) are arranged in the cavity of the nut mounting section (21) and fixedly connected to the nut mounting section (21) through a plurality of fastening bolts;
the number of the locking threaded holes in the nut mounting section (21) is 3-6;
the cross section of a cavity in the nut mounting section (21) is in a regular hexagon shape;
a plurality of teeth are uniformly processed on the outer circumferential surface of the belt mounting section (22) along the circumferential direction and are used for being meshed with a belt, and a second through hole is processed at the center of the top end of the belt mounting section (22);
the connecting part of the belt mounting section (22) and the nut mounting section (21) is arranged in a gradient manner, and the connecting part of the belt mounting section (22) and the bearing mounting section (23) is arranged in a gradient manner;
the outer disc of section (23) is settled to the bearing is processed on and is had the seal groove, and the top center department of section (23) is settled to the bearing is processed and is had No. three through-holes, and connect the coaxial setting of through-hole, No. one through-hole, No. two through-holes and No. three through-holes, and the aperture of a through-hole, No. two through-holes and No. three through-holes is the same, the bottom processing of section (23) is settled to the bearing has the chamfer.
2. A method of using a locking device in an automatic press-fitting apparatus as set forth in claim 1, characterized in that: the method is realized by the following steps:
the method comprises the following steps: sleeving a self-lubricating bearing on a bearing mounting section (23) of the belt wheel (2), and sleeving a sealing ring in a sealing groove below the self-lubricating bearing;
step two: the belt wheel (2) is arranged on the lifting platform through a self-lubricating bearing, and the belt wheel and the lifting platform are ensured to rotate without obstacles;
step three: inserting an air pipe of an air inlet device into the first through hole, the second through hole and the third through hole in the belt wheel (2);
step four: installing a locking nut (1) on a nut mounting section (21) of a belt wheel (2) and locking the locking nut through a fastening bolt;
step five: arranging the air tap in the locking nut (1), arranging a conduit of the air tap in the first through hole and communicating with the air pipe, and ensuring that the air in the air pipe can be discharged through the air tap;
step six: the belt is sleeved on the belt mounting section (22) of the belt wheel (2), and the belt drives the belt wheel to rotate through the matching of teeth on the inner wall of the belt and teeth on the circumferential direction of the belt mounting section (22), and the belt is also sleeved on the belt wheel on the motor output shaft at the same time, so that the belt is tensioned on the belt wheel and the belt wheel, and the torque output by the motor output shaft can be transmitted to the belt wheel;
step seven: the locking nut (1) rotates along with the belt wheel (2) and moves up and down along with the lifting platform, and is in threaded connection with the bottom of the vent threaded pipe on the automobile instrument through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011254631.8A CN112405431B (en) | 2020-11-11 | 2020-11-11 | Locking device in automatic press fitting equipment and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011254631.8A CN112405431B (en) | 2020-11-11 | 2020-11-11 | Locking device in automatic press fitting equipment and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112405431A CN112405431A (en) | 2021-02-26 |
| CN112405431B true CN112405431B (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011254631.8A Active CN112405431B (en) | 2020-11-11 | 2020-11-11 | Locking device in automatic press fitting equipment and using method thereof |
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| CN (1) | CN112405431B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3738429B2 (en) * | 1996-11-18 | 2006-01-25 | 株式会社メタルテック | Automatic nut tightening method |
| RU2208737C2 (en) * | 2001-01-12 | 2003-07-20 | Зильберберг Владимир Элюкимович | Permanent joint of end fittings with high-pressure hose |
| DE102006047683B3 (en) * | 2006-10-09 | 2008-04-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Defective force or form-fitting connection i.e. screw connection, recognizing method for use by on-screwing device, involves measuring torque or force characterizing connection as parameter during movement between screw and clamping section |
| CN201989077U (en) * | 2011-03-07 | 2011-09-28 | 李沫 | Double offset ring spanner with safety locking function |
| CN107309642A (en) * | 2017-06-29 | 2017-11-03 | 桐乡市凤鸣制罐厂 | A kind of assembling device of shaft end nut |
| CN107186470A (en) * | 2017-07-05 | 2017-09-22 | 郑州云海信息技术有限公司 | A kind of monoblock type dismantling device |
| CN110900153A (en) * | 2019-12-02 | 2020-03-24 | 林广华 | Automatic press fitting device for plug on automatic gas tank assembly line |
| CN111546030B (en) * | 2020-05-27 | 2021-11-26 | 湛江德利车辆部件有限公司 | One-key automatic quick-change device for sonic nozzle |
| CN111503209B (en) * | 2020-06-03 | 2024-02-13 | 锦州立德减振器有限公司 | Vibration damper inflation and closing-in integrated machine |
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