CN110369653A - Cold-heading equipment is used in part processing - Google Patents
Cold-heading equipment is used in part processing Download PDFInfo
- Publication number
- CN110369653A CN110369653A CN201910691096.3A CN201910691096A CN110369653A CN 110369653 A CN110369653 A CN 110369653A CN 201910691096 A CN201910691096 A CN 201910691096A CN 110369653 A CN110369653 A CN 110369653A
- Authority
- CN
- China
- Prior art keywords
- pawl
- part processing
- cold
- ratchet
- heading equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/10—Manipulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J3/00—Lubricating during forging or pressing
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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
- F16N—LUBRICATING
- F16N11/00—Arrangements for supplying grease from a stationary reservoir or the equivalent in or on the machine or member to be lubricated; Grease cups
- F16N11/08—Arrangements for supplying grease from a stationary reservoir or the equivalent in or on the machine or member to be lubricated; Grease cups with mechanical drive, other than directly by springs or weights
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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
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
- F16N13/02—Lubricating-pumps with reciprocating piston
- F16N13/06—Actuation of lubricating-pumps
- F16N13/10—Actuation of lubricating-pumps with mechanical drive
- F16N13/12—Actuation of lubricating-pumps with mechanical drive with ratchet
-
- 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
- F16N—LUBRICATING
- F16N23/00—Special adaptations of check valves
-
- 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
- F16N—LUBRICATING
- F16N31/00—Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus
- F16N31/02—Oil catchers; Oil wipers
Abstract
The invention belongs to upsetting press mechanical pressing equipment technical fields, specially part processing cold-heading equipment, including feeding device and cold extrusion device, the feeding device includes feeding mechanism, the feeding mechanism includes support case, the lower part of case is supported to be equipped with shaft, shaft and support case rotation connection, the outside of case is supported to be equipped with ratchet, ratchet is fixedly and coaxially connected with shaft, rocker member is rotatably connected in shaft, the pawl with ratchet cooperation is hinged in rocker member, crank link mechanism is connected between the rocker member and cold extrusion device, the spray bar towards pawl oil spout is connected in the rocker member.This programme solves the lubricating oil for needing manually to smear the click on feeding mechanism in the prior art, leads to the problem that lubricant effect is unstable.
Description
Technical field
The invention belongs to upsetting press mechanical pressing equipment technical field, cold-heading equipment is used in specially part processing.
Background technique
Cold-heading is common a kind of equipment in machining, especially when processing the parts such as screw.It is existing cold
Upsetting equipment includes feeding device and cold extrusion device, and cold extrusion device includes power mechanism and molding die mechanism, power mechanism
The work of molding die mechanism is driven, so that the raw material that feeding device is sent carry out extrusion forming, so that raw material be made to become
Required part.Feeding device includes feeding mechanism, and feeding mechanism includes support case, and the lower part of case is supported to be equipped with as power
Power is inputted the inside of support case by a series of mechanical transmissioning piece, feeding mechanism is made to work by the shaft of input, shaft.Turn
Axis is equipped with and has been fixedly and coaxially connected ratchet, while rocker member is also set up in shaft, is hinged in rocker member and ratchet cooperation
Pawl needs to be lubricated between pawl and ratchet, to reduce the abrasion between pawl and ratchet.Existing mode is mainly adopted
The mode manually periodically smeared, when such mode of operation often makes rigid smearing, the lubricating oil on ratchet is relatively more,
With the rotation of ratchet, lubricating oil will be dripped, and the lubricating oil on ratchet is caused quickly to reduce, to influence lubricant effect；
And the lubricating oil dripped is easy to be scattered everywhere, influences processing environment.
Summary of the invention
The purpose of the present invention is to provide a kind of part processing cold-heading equipments, to solve to need manually to apply in the prior art
The lubricating oil for smearing the click on feeding mechanism leads to the problem that lubricant effect is unstable.
In order to achieve the above object, base case of the invention provides a kind of part processing cold-heading equipment, including charging
Device and cold extrusion device, the feeding device include feeding mechanism, and the feeding mechanism includes support case, support the lower part of case
Equipped with shaft, shaft and support case rotation connection support the outside of case to be equipped with ratchet, ratchet is fixedly and coaxially connected with shaft, is turned
Be rotatably connected to rocker member on axis, be hinged with the pawl with ratchet cooperation in rocker member, the rocker member and cold extrusion device it
Between be connected with crank link mechanism, the spray bar towards pawl oil spout is connected in the rocker member.
The principle and beneficial effect of this base case are: by the way that spray bar is arranged, being sprayed using spray bar to pawl
Lubricating oil is applied, lubricating oil is made to flow to ratchet by pawl, so that ratchet and pawl is all lubricated, it is regular without artificial progress
Smearing, improve lubricant effect, reduce the work load of operator.
Further, the lower section of the support case is equipped with catch tray, and catch tray is fixedly connected by connecting rod with support case.It is logical
Setting catch tray is crossed, for collecting the lubricating oil flowed out out of support case, lubricating oil is avoided to drip everywhere and influence operating environment.
Further, spray head is fixedly connected in the rocker member, spray head includes cylinder body and piston, and the inside of cylinder body is equipped with chamber
Room, cylinder body are equipped with feed inlet and discharge gate with chamber, are equipped with check valve at feed inlet and discharge gate, spray bar with
Feed inlet connection, piston are located in chamber and are slidably connected with cylinder body sealing, and piston rod is fixedly connected on piston, piston rod
Cylinder body is run through in one end, and the one end of piston rod far from piston and detent contact cooperate.By the way that spray head is arranged, using pawl on ratchet
When mobile, along the radial of ratchet reciprocally swinging can occur for pawl, so that pawl be made to push piston rod mobile, push piston rod and live
Plug movement so that the intracorporal lubricating oil of cylinder is discharged, and then is lubricated ratchet and pawl；Meanwhile when pawl does not push
When piston rod, piston can be moved backward, to make cylinder body carry out oil suction from spray bar, and then quasi- for next lubricating oil spraying
It is standby.By realizing the oil spout and oil suction of spray head using reciprocally swinging of pawl when mobile, reduce setting for extra power mechanism
Set, meanwhile, spray head oil spout under the action of pawl be it is intermittent, cause to moisten so as to avoid the distributive value of spray head excessive
The utilization rate of lubricating oil reduces.
Further, the bottom of the catch tray is equipped with collection bucket, and oil guide pipe, oil guide pipe are connected between collection bucket and spray bar
Check valve is connected between spray bar.By the way that collection bucket is arranged, convenient for collect the lubricating oil in mobile phone disk, just
In reusing.By the way that oil guide pipe is arranged, facilitates and the lubricating oil in collection bucket is sent into spray bar.
Further, the discharge gate of the spray head is connected with drainage conduit, and drainage conduit is being located at pawl just far from one end of spray head
Top.By the way that drainage conduit is arranged, facilitates the lubricating oil by spray head discharge to be immediately discharged to the top of pawl, make lubricating oil from pawl
It slides, to can be carried out lubricating to ratchet and pawl, improves lubricant effect.
Further, the top of the pawl is equipped with diversion trench.By the way that diversion trench is arranged, lead diversion trench to lubricating oil
Stream, avoids lubricating oil from dispersing everywhere, so as to improve the utilization rate of lubricating oil.
Further, the feeding device further includes guiding mechanism, and the guiding mechanism includes bracket, is connected with two on bracket
Idler wheel disposed in parallel is arranged, the circumferential direction of idler wheel is equipped with a circle groove.By the way that guiding mechanism is arranged, pair of rollers raw material are utilized
Moving direction is limited, and can play the role of carrying out straightening to raw material.
Further, sliding block is slidably connected on the bracket, the glide direction of sliding block and the orientation of idler wheel are vertical, branch
Adjusting bolt is threaded on frame, the one end and sliding block for adjusting bolt offset, and idler wheel and sliding block are rotatablely connected.It is slided by setting
Block can be adjusted the position of idler wheel using the sliding of sliding block, and the position of sliding block is fixed using bolt is adjusted,
So as to so that guiding mechanism is oriented to the raw material of different-diameter, while idler wheel can also be made to clamp raw material, protected
Demonstrate,prove straightening effect.
Further, the adjusting bolt is equipped with self-locking thread.By the way that self-locking thread is arranged, make to adjust bolt with self-locking
Performance avoids adjusting bolt and loosens under effect of vibration, improves and adjust bolt to the locating effect of sliding block.
Further, the described one end of bolt far from sliding block that adjusts is equipped with interior hexagonal blind hole.Pass through hexagonal blind hole in being arranged, side
Just it is turned using allen wrench to bolt is adjusted, to facilitate adjusting.
Detailed description of the invention
Fig. 1 is the schematic diagram that cold-heading equipment embodiment one is used in part of the present invention processing；
Fig. 2 is structural schematic diagram when ratchet, pawl and spray head combine in Fig. 1；
Fig. 3 is the structural schematic diagram of stock guide and baffle in part of the present invention processing cold-heading equipment embodiment two；
Fig. 4 is the top view of Fig. 3.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: pressurizing unit 1, connecting rod 2, support case 3, rocker member 4, ratchet 5, collects
Disk 6, bracket 7, idler wheel 8, pawl 9, piston rod 10, cylinder body 11, spray bar 12, oil exit pipe 13, stock guide 14, baffle 15, cavity
151, oil guide pipe 16.
Embodiment one: as shown in Figure 1 and Figure 2: part processing use cold-heading equipment, be followed successively by from right to left feeding device and
Pressurizing unit 1, feeding device is followed successively by guiding mechanism and feeding mechanism from right to left.Guiding mechanism includes bracket 7, bracket 7
Top slide is connected with sliding block, and the glide direction of sliding block and the feed direction of feeding mechanism are vertical, and sliding block is provided with two rows, bracket
Adjusting bolt is threaded on 7, adjusting bolt is preferably the bolt for being equipped with self-locking thread, adjusts one end and the sliding block phase of bolt
It supports, the other end for adjusting bolt is provided with interior hexagonal blind hole.Idler wheel 8, the circumferential direction of idler wheel 8 are rotatably connected at the top of each sliding block
It is equipped with a circle groove, idler wheel 8 can carry out clamping limit to raw material by groove.
Feeding mechanism includes support case 3, and the lower rotational of support case 3 is connected with lateral shaft, and the outside of support case 3 is set
There is ratchet 5, ratchet 5 is connect with the coaxial flat key of shaft.Rocker member 4 is rotatably connected in shaft, rocker member 4 is preferably fanning strip.
The top of rocker member 4 is hinged with the pawl 9 cooperated with ratchet 5, and pawl 9 is kept in contact with ratchet 5 under gravity；Pawl
9 top is equipped with diversion trench, and diversion trench is extended along the length direction of pawl 9.Spray head, spray head position are provided in rocker member 4
In the downside of pawl 9, spray head includes cylinder body 11 and piston, and the inside of cylinder body 11 is equipped with chamber, and the bottom of cylinder body 11 is equipped with and chamber
The feed inlet and discharge gate of room connection, are equipped with check valve at feed inlet and discharge gate, and it is interior and towards pawl 9 that piston is located at chamber
The sealing of direction and cylinder body 11 be slidably connected, piston rod 10 is welded on piston, the top of cylinder body 11 is run through in the upper end of piston rod 10
Portion is simultaneously engaged with pawl 9；Helical spring is equipped between the upper end of cylinder body 11 and the top of piston rod 10, one on piston rod 10
Body formed to have the boss to offset with the upper end of spring, the lower end of spring and the upper end of cylinder body 11 offset；At the discharge gate of cylinder body 11
It is connected with drainage conduit, drainage conduit is located at the surface of pawl 9 far from one end of spray head；Oil spout is connected at the feed inlet of cylinder body 11
Pipe 12.The lower section of case 3 is supported to be equipped with catch tray 6, catch tray 6 is connected and fixed by connecting rod and support case 3.The bottom of catch tray 6
Portion is equipped with collection bucket, and collection bucket is in the lowest point of catch tray 6, to make the lubricating oil in catch tray 6 all toward collection bucket
Interior flowing.Oil guide pipe 16 is connected between collection bucket and spray bar 12, oil guide pipe 16 and the junction of spray bar 12 are also equipped with
Check valve makes the lubricating oil in oil guide pipe 16 can only the flowing in spray bar 12.
Pressurizing unit 1 includes power mechanism and molding die mechanism, and power mechanism is motor, and molding die mechanism is in power
Cold-heading molding is carried out to raw material under the action of mechanism.Crank link mechanism is provided on pressurizing unit 1, crank link mechanism
Connecting rod 2 and rocker member 4 are hinged, to form crank and rocker mechanism.
Specific implementation process is as follows: spray bar 12 being connected to the storage bin for storing lubricating oil, 2 mechanism band of crank connecting link
Shake the swing of arm-piece 4, to realize that pawl 9 pushes the intermittent rotation of ratchet 5.When 4 counter-clockwise swing of rocker member, pawl 9
It offsets with ratchet 5, at this point, being in relatively-stationary state between pawl 9 and ratchet 5, then, pawl 9 reciprocal will not be pressed
Piston rod 10, the lubricating oil in spray head remain static；When 4 clockwise oscillation of rocker member, with ratchet 5 phase occurs for pawl 9
To movement, at this point, the reciprocating motion radial along ratchet 5 can occur at the top of ratchet 5 for pawl 9, thus the pressure for keeping pawl 9 reciprocal
Piston bar 10 makes piston rod 10 drive reciprocating motion of the pistons, to make cylinder body 11 after 12 oil suction of spray bar again from oil exit pipe
13 arrange lubricating oil the top to pawl 9, to carry out intermittent coating lubricating oil to 5 pawl 9 of ratchet.In spray bar 12
When flowing, the lubricating oil in oil guide pipe 16 can also enter in spray bar 12 lubricating oil, to realize lubricating oil
Recycling.
Embodiment two: with only difference is that for embodiment one: as shown in Figure 3 and Figure 4, helical spring is tower spring, tower spring
The space occupied is smaller when compression, so that convenient be configured in a smaller space, facilitates installation.The side of pressurizing unit
Equipped with discharge port, the bottom of discharge port is equipped with inclined stock guide 14, and the upper end of stock guide 14 and pressurizing unit are connected by bolt
Connect fixation.The lower end of stock guide 14 is equipped with the baffle 15 being made from a material that be thermally conductive, the preferably baffle made of aluminum alloy materials
15, the plate face of baffle 15 is vertical with the plate face of stock guide 14 and is in 30 ° of angle, baffle 15 with the inclined direction of stock guide 14
It is arranged with the lower end separate type of stock guide 14；The inside of baffle 15 is equipped with cavity 151, and one end of baffle 15 is equipped with and cavity 151
The feed inlet of connection is equipped with feed check valve at feed inlet；The other end of baffle 15 is equipped with the discharge port being connected to cavity 151,
Discharge outlet is equipped with discharging check valve；Oil guide pipe 16 is connected to the feed inlet of baffle 15, and the discharge port and spray bar of baffle 15 connect
It is logical.
Part will form the anisometric situation of cross sectional radius at both ends after cold-heading processing, and then, part is in stock guide
When sliding on 14, since the radius at both ends is different, the speed then rolled is not also identical, eventually forms radius biggish one
End is towards the lower end of stock guide 14, and the lesser one end of radius is towards the upper end of stock guide 14, and then part continues along stock guide 14
Sliding, finally makes radius offset compared with big end and baffle 15, so that the radius of part be made to transfer heat to baffle 15 compared with big end.Cause
For, for part when cold-heading, radius, by extrusion forming, a large amount of stress temperature can be generated in extrusion forming compared with big end, from
And keep radius higher compared with the temperature of big end.Temperature increases after baffle 15 absorbs heat of the radius compared with big end, to make baffle
Lubricating oil volume expansion in 15, so that the discharging check valve for making lubricating oil open discharge outlet enters in spray bar.Due to
The plate face of baffle 15 and the inclined direction of passage are in 30 ° of angle, and part will form partially when contacting compared with big end and baffle 15
The case where heart stress, to make part that certain deflection occur under self gravitation effect, to make part that lateral rolling occur
It is dynamic, and then slid from stock guide 14 along baffle 15.With the separation of part and baffle 15, the temperature of baffle 15 is reduced, from
And make the volume-diminished of the lubricating oil in baffle 15, and then the pressure in the cavity 151 of baffle 15 is made to reduce and be formed negative pressure, make
Lubricating oil in oil guide pipe 16 is entered in baffle 15 by feed inlet.With after constantly thering is part to contact with baffle 15 points
From to make the compartment work of the formation oil suction of cavity 151 and the oil extraction of baffle 15, and then realization will be led using the temperature of part
The interior lubricating oil of oil pipe 16 is conveyed into the effect in spray bar.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.
Claims (10)
1. part processing cold-heading equipment, including feeding device and cold extrusion device, the feeding device include feeding mechanism, institute
Stating feeding mechanism includes support case, supports the lower part of case to be equipped with shaft, shaft and support case rotation connection, the outside of case is supported to set
There is ratchet, ratchet is fixedly and coaxially connected with shaft, and rocker member is rotatably connected in shaft, is hinged in rocker member and is cooperated with ratchet
Pawl, be connected with crank link mechanism between the rocker member and cold extrusion device, it is characterised in that: connect in the rocker member
It is connected to the spray bar towards pawl oil spout.
2. part processing cold-heading equipment according to claim 1, it is characterised in that: the lower section of the support case, which is equipped with, receives
Catch basin, catch tray are fixedly connected by connecting rod with support case.
3. part processing cold-heading equipment according to claim 2, it is characterised in that: be fixedly connected in the rocker member
Spray head, spray head include cylinder body and piston, and the inside of cylinder body is equipped with chamber, and cylinder body is equipped with feed inlet and discharge with chamber
Mouthful, it is equipped with check valve at feed inlet and discharge gate, spray bar is connected to feed inlet, and piston is located in chamber and seals with cylinder body
It is slidably connected, piston rod is fixedly connected on piston, cylinder body, piston rod one end and spine far from piston are run through in one end of piston rod
Pawl is engaged.
4. part processing cold-heading equipment according to claim 3, it is characterised in that: the bottom of the catch tray, which is equipped with, receives
Collection bucket, connects oil guide pipe, check valve is connected between oil guide pipe and spray bar between collection bucket and spray bar.
5. part processing cold-heading equipment according to claim 4, it is characterised in that: the discharge gate of the spray head is connected with
Drainage conduit, drainage conduit are located at the surface of pawl far from one end of spray head.
6. part processing cold-heading equipment according to claim 5, it is characterised in that: the top of the pawl is equipped with water conservancy diversion
Slot.
7. part processing cold-heading equipment according to claim 6, it is characterised in that: the feeding device further includes guiding
Mechanism, the guiding mechanism include bracket, and two rows of idler wheels disposed in parallel are connected on bracket, and the circumferential direction of idler wheel is equipped with a circle
Groove.
8. part processing cold-heading equipment according to claim 7, it is characterised in that: slidably connect cunning on the bracket
Block, the glide direction of sliding block and the orientation of idler wheel are vertical, and adjusting bolt is threaded on bracket, adjust one end of bolt
It offsets with sliding block, idler wheel and sliding block are rotatablely connected.
9. part processing cold-heading equipment according to claim 8, it is characterised in that: the adjusting bolt is equipped with self-locking
Screw thread.
10. part processing cold-heading equipment according to claim 9, it is characterised in that: the adjusting bolt is far from sliding block
One end be equipped with interior hexagonal blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910691096.3A CN110369653B (en) | 2019-07-29 | 2019-07-29 | Cold heading equipment for parts machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910691096.3A CN110369653B (en) | 2019-07-29 | 2019-07-29 | Cold heading equipment for parts machining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110369653A true CN110369653A (en) | 2019-10-25 |
| CN110369653B CN110369653B (en) | 2021-05-28 |
Family
ID=68256842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910691096.3A Active CN110369653B (en) | 2019-07-29 | 2019-07-29 | Cold heading equipment for parts machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110369653B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112503380A (en) * | 2020-11-26 | 2021-03-16 | 苏忠楠 | Lubricating device for travel mechanism of bridge crane |
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| DE69408055T2 (en) * | 1993-04-02 | 1998-05-07 | Yamaha Motor Co Ltd | Method and device for lubricating an internal combustion engine |
| CN103084535A (en) * | 2011-11-02 | 2013-05-08 | 黄石锻压华曜机械设备有限公司 | Skipping actuator of feeding device of cold header |
| CN203711719U (en) * | 2013-12-11 | 2014-07-16 | 中国航空工业标准件制造有限责任公司 | High-strength alloy fastener warm forming machine |
| CN204771954U (en) * | 2015-07-21 | 2015-11-18 | 台州市幼龙制针有限公司 | Lubricating structure of needle grinding machine |
| CN108195593A (en) * | 2017-12-18 | 2018-06-22 | 重庆厚全科技发展有限公司 | A kind of automobile performance detecting apparatus |
| CN108575967A (en) * | 2018-05-15 | 2018-09-28 | 柴哲民 | A kind of agricultural greenhouse sprays insecticide device |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69408055T2 (en) * | 1993-04-02 | 1998-05-07 | Yamaha Motor Co Ltd | Method and device for lubricating an internal combustion engine |
| CN103084535A (en) * | 2011-11-02 | 2013-05-08 | 黄石锻压华曜机械设备有限公司 | Skipping actuator of feeding device of cold header |
| CN203711719U (en) * | 2013-12-11 | 2014-07-16 | 中国航空工业标准件制造有限责任公司 | High-strength alloy fastener warm forming machine |
| CN204771954U (en) * | 2015-07-21 | 2015-11-18 | 台州市幼龙制针有限公司 | Lubricating structure of needle grinding machine |
| CN108195593A (en) * | 2017-12-18 | 2018-06-22 | 重庆厚全科技发展有限公司 | A kind of automobile performance detecting apparatus |
| CN108575967A (en) * | 2018-05-15 | 2018-09-28 | 柴哲民 | A kind of agricultural greenhouse sprays insecticide device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112503380A (en) * | 2020-11-26 | 2021-03-16 | 苏忠楠 | Lubricating device for travel mechanism of bridge crane |
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| Publication number | Publication date |
|---|---|
| CN110369653B (en) | 2021-05-28 |
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