CN108687188A - Motorcycle exhaust pipe process equipment - Google Patents
Motorcycle exhaust pipe process equipment Download PDFInfo
- Publication number
- CN108687188A CN108687188A CN201810790483.8A CN201810790483A CN108687188A CN 108687188 A CN108687188 A CN 108687188A CN 201810790483 A CN201810790483 A CN 201810790483A CN 108687188 A CN108687188 A CN 108687188A
- Authority
- CN
- China
- Prior art keywords
- piston
- fixed
- workbench
- cylinder
- exhaust pipe
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/86—Making other particular articles other parts for bicycles or motorcycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
- B21D7/162—Heating equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
- B21D7/165—Cooling equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
- B21D7/167—Greasing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention belongs to motorcycle component manufacture fields, specifically disclose a kind of motorcycle exhaust pipe process equipment, are rotatably connected to workbench in rack, and locating rod is fixedly arranged above positioned at workbench in rack, and being located at locating rod side on workbench is equipped with crease die;It is rotatably connected to cylinder positioned at the locating rod other side on workbench, liquid storing barrel is rotatably connected in cylinder, liquid storing barrel is fixed on the rack;Liquid outlet is equipped at liquid storing barrel bottom alignment crease die, cylinder is equipped with the through-hole that can be overlapped with liquid outlet;Shaft upper end is fixed with disk, and several first magnetic patch are evenly equipped on disk outer wall;It is fixed with piston bucket in rack, piston is slidably connected in piston bucket, piston rod is fixed on piston, the second magnetic patch is fixed on piston rod, piston bucket is equipped with the first air admission hole and the first venthole, is connected to by pipeline between the first venthole and liquid storing barrel.Scheme using the present invention meets the requirement of Mechanized Processing exhaust pipe.
Description
Technical field
The invention belongs to motorcycle parts manufacture fields, and in particular to a kind of motorcycle exhaust pipe process equipment.
Background technology
The exhaust pipe of motorcycle is the channel of Motorcycle Exhaust Emission exhaust gas, and one end of exhaust pipe is connect with engine,
The other end is connect with muffler, and motorcycle exhaust pipe is generally L-shaped, to avoid dead angle, easy cleaning, exhaust pipe from being turned at " L "
Usually it is in round and smooth curve at angle.
At present in the bending process of exhaust pipe, generally use manual operation, that is, exhaust pipe one end is fixed, is manually pulled
The dynamic other end makes exhaust pipe bending, and such method not only increases artificial work intensity, and easily makes exhaust pipe in bending process
There is fine wrinkle, i.e., pipe fitting makes local eminence because of unbalance stress, and metal fatigue is easy tod produce at the local eminence of pipe fitting,
It is easy to be corroded by the oil cylinders effluent such as exhaust gas during use, generates new pernicious gas so that the tail gas of discharge is not up to standard, makes
At environmental pollution.
Invention content
The purpose of the present invention is to provide a kind of motorcycle exhaust pipe process equipments, to meet Mechanized Processing exhaust pipe
It is required that.
In order to achieve the above objectives, base case of the invention is:Motorcycle exhaust pipe process equipment, including rack, rack
On be rotatably connected to workbench, be fixedly arranged above locating rod positioned at workbench in rack, set positioned at locating rod side on workbench
There are crease die, crease die to be equipped with arc groove close to the side of locating rod;It is rotatably connected to positioned at the locating rod other side on workbench
Cylinder is rotatably connected to liquid storing barrel in cylinder, and liquid storing barrel is fixed on the rack;It is equipped with out liquid at liquid storing barrel bottom alignment crease die
Mouthful, cylinder is equipped with the through-hole that can be overlapped with liquid outlet;Shaft is rotatably connected in rack, cylinder top is equipped with belt grooves,
By belt transmission between cylinder top and shaft, it is fixed with driving gear in shaft, is fixed on workbench and driving gear
The driven gear of engagement;Shaft upper end is fixed with disk, and several first magnetic patch are evenly equipped on disk outer wall;Work is fixed in rack
Bucket is filled in, piston is slidably connected in piston bucket, piston rod is fixed on piston, the second magnetic patch, the second magnetic are fixed on piston rod
Block and the opposite one side of the first magnetic patch are magnetic opposite;End face of the piston bucket far from piston rod goes out equipped with the first air admission hole and first
Stomata, the first air admission hole is interior to be equipped with breather check valve, and outgassing nonreturn valve, the first venthole and liquid storing barrel are equipped in the first venthole
Between be connected to by pipeline.
The operation principle of this base case is:
On the securing lever, exhaust pipe side and cylinder outer wall offset exhaust shroud, the arc groove phase of the other side and crease die
It supports.Drive shaft rotates, and shaft drives cylinder to rotate forward by belt transmission, the transmission that shaft passes through driving gear, driven gear
Drive workbench reversion.Workbench drives crease die reversion, crease die that exhaust pipe is driven to be bent around cylinder, and cylinder is opposite to be vented
Pipe rotation can reduce the friction between exhaust pipe and cylinder, and the bending segment of exhaust pipe is avoided fine wrinkle occur.
Disk is in shaft rotation process, and when the first magnetic patch is turned to close to the second magnetic patch, the first magnetic patch repels the second magnetic
Block, the second magnetic patch drive piston rod to be moved to far from rotor shaft direction;After first magnetic patch leaves the second magnetic patch, piston rod is made by spring
Reset is moved with to close to rotor shaft direction.Since disk is equipped with multiple first magnetic patch, disk rotational one encloses, can make
Piston rod does multiple reciprocating motion.
Piston rod drives piston reciprocating sliding, and the gas in piston bucket is discharged in liquid storing barrel, to the lubrication in liquid storing barrel
Oil pressurizes, and during rotary drum, through-hole and liquid outlet interval overlap, and when through-hole and liquid outlet coincidence, air pressure to lubricate
Oil discharge, the lubricating oil of discharge are lubricated exhaust pipe bending segment, avoid the fine wrinkle caused by friction is excessive on exhaust pipe.
The advantageous effect of this base case is:
1, pass through gear set transmission and belt transmission so that rotary drum direction and workbench rotation direction are on the contrary, cylinder
It is rotated relative to exhaust pipe, the sliding friction between cylinder and exhaust pipe is changed into rolling friction, reduces friction, avoids exhaust pipe
Bending segment there is fine wrinkle.
2, exhaust pipe bending segment is lubricated using lubricating oil, avoids the fine wrinkle caused by friction is excessive on exhaust pipe.
And lubricating oil intermittence is discharged, and after lubricating oil discharge, utilizes the rotation of cylinder so that lubricating oil can uniformly be applied to exhaust
Guan Shang, while lubricating oil can also be distributed on cylinder outer wall, lubricant effect is more preferable.
Further, crease die is slidably connected on the table, and the liquid for driving crease die to slide is fixed on workbench
Cylinder pressure.
Advantageous effect:In order to ensure preferably to bend effect, the distance between cylinder and crease die should be equal to exhaust pipe
Outer diameter, therefore when setting on the securing lever exhaust shroud, exhaust pipe not easily passs through the gap between cylinder and crease die, when long
Between after use, the friction between exhaust pipe and cylinder, crease die causes the abrasion of cylinder, crease die larger, and device precision reduces.
Therefore, setting Driven by Hydraulic Cylinder crease die is slided, and can adjust the position of crease die, is convenient for the fixation of exhaust pipe.
Further, it is fixed with vortex tube in rack, vortex tube includes air inlet, hot gas gas outlet and cold air gas outlet,
Cold air gas outlet is communicated with air bag by pipeline, and air bag is equipped with gas vent, solenoid valve is equipped in gas vent;Hot gas gas outlet connects
It is connected with hose, is equipped with mounting hole, one end rotation connection of the hose far from vortex tube on workbench between cylinder and crease die
In mounting hole.
Advantageous effect:Be passed through high pressure gas into vortex tube by air inlet, gas isolated in vortex tube cold air and
Hot gas, cold air are drained into air bag by cold air gas outlet and are stored.Hot gas is discharged to by hot gas gas outlet in hose, and hot gas is logical
It crosses hose to be discharged between cylinder and crease die, i.e., hot gas comes on the bending segment of exhaust pipe, on the one hand adds exhaust pipe
Heat enhances the plasticity of exhaust pipe, convenient for bending;Another aspect gas is discharged between exhaust pipe and cylinder, can also reduce row
Friction between tracheae and cylinder.After processing is completed, solenoid valve is opened, the gas discharge being stored in air bag carries out exhaust pipe
Cooling and shaping.
Further, piston bucket both ends seal, and piston bucket is equipped with the second air admission hole and second close to the end face of piston rod
Venthole also is provided with breather check valve in the second air admission hole, also is provided with outgassing nonreturn valve in the second venthole, the second venthole and
The air inlet of vortex tube is connected to by pipeline.
Advantageous effect:The gas being discharged in piston bucket enters in vortex tube, realizes the automatic feeding to vortex tube, carries
High the degree of automation.
Further, the gear ratio of driving gear and driven gear is 1:8.
Advantageous effect:Since the bending angle of exhaust pipe is respectively less than 180 °, rotational angle needed for workbench is smaller, this
Sample setting can make shaft rotational angle larger, so that band piston bucket, cylinder complete processing.
Description of the drawings
Fig. 1 is the schematic diagram of the embodiment of the present invention.
Specific implementation mode
It is further described below by specific implementation mode:
Reference numeral in Figure of description includes:Shaft 1, disk 2, driving gear 3, driven gear 4, workbench 5, liquid
Cylinder pressure 6, crease die 7, locating rod 8, cylinder 9, belt 10, liquid storing barrel 11, liquid outlet 12, through-hole 13, piston bucket 14, piston rod
15, the second magnetic patch 16, spring 17, vortex tube 18, air bag 19, solenoid valve 20, mounting hole 21.
As shown in Figure 1, motorcycle exhaust pipe process equipment, including rack, workbench 5, rack are rotatably connected in rack
It is upper to be fixedly arranged above locating rod 8 positioned at workbench 5.It is located at 8 right side of locating rod on workbench 5 and is fixed with hydraulic cylinder 6, hydraulic cylinder 6
Push rod on be fixed with crease die 7,7 left side of crease die is equipped with arc groove.It is located at 8 left pivot movement of locating rod on workbench 5 to connect
There is cylinder 9, liquid storing barrel 11 is rotatably connected in cylinder 9, liquid storing barrel 11 is fixed on the rack, and 11 lower part of liquid storing barrel is directed at crease die
It is equipped with liquid outlet 12 at 7, is equipped in liquid outlet 12 and goes out liquid check valve for the lubricating oil discharge in liquid storing barrel 11, set on cylinder 9
There is the through-hole 13 that can be overlapped with liquid outlet 12.
It is fixed with motor in rack, shaft 1 is fixed on the output shaft of motor, 9 top of cylinder is equipped with 10 slot of belt, shaft
It is driven by belt 10 between 1 and 9 top of cylinder, driving gear 3 is fixed in shaft 1, be fixed on workbench 5 and driving tooth
The gear ratio of the driven gear 4 of 3 engagement of wheel, driving gear 3 and driven gear 4 is 1:8.It is fixed with what both ends sealed in rack
Piston bucket 14 slidably connects piston in piston bucket 14, spring 17 is fixed between 14 right end of piston and piston bucket.It is solid on piston
Surely there is piston rod 15,15 left end of piston rod is through 14 left side of piston bucket and extends to outside piston bucket 14, and 1 upper end of shaft is fixed with
Disk 2 is arranged at intervals with several first magnetic patch on disk 2, and 15 left end of piston rod is fixed with the second magnetic patch 16, the first magnetic patch and
The opposite face magnetic pole of two magnetic patch 16 is identical.
14 left end of piston bucket is equipped with the second air admission hole and the second venthole, and 14 right end of piston bucket is equipped with the first air admission hole and the
One venthole is equipped with breather check valve in the first air admission hole, the second air admission hole, when in piston bucket 14 air pressure less than it is extraneous when,
Extraneous gas is added to by breather check valve in piston bucket 14.It is equipped with outlet list in first venthole, the second venthole
To valve, when air pressure is higher than the external world in piston bucket 14, the gas in piston bucket 14 is discharged by outgassing nonreturn valve, the second venthole
It is connected to by pipeline with liquid storing barrel 11.
It is fixed with vortex tube 18 in rack, vortex tube 18 includes air inlet, cold air gas outlet and hot gas gas outlet, and second
Venthole is connected to air inlet by pipeline.Cold air gas outlet is communicated with air bag 19 by pipeline, and air bag 19 is equipped with gas vent,
Solenoid valve 20 is equipped in gas vent.Hot gas gas outlet is communicated with hose, is equipped between cylinder 9 and crease die 7 on workbench 5
Mounting hole 21, the one end of hose far from vortex tube 18 are rotatably connected in mounting hole 21.
When specific works, by exhaust shroud to be bent in locating rod 8, offsets, open with 9 outer wall of cylinder on the left of exhaust pipe
Hydrodynamic cylinder pressure 6,6 push rod of hydraulic cylinder drive and offset on the right side of crease die 7 and exhaust pipe.Starting motor, motor drives shaft 1 to rotate,
Shaft 1 is driven by belt 10 drives cylinder 9 to rotate forward, and shaft 1 is rotated by gear drives workbench 5 to invert.Workbench 5 drives
Crease die 7 inverts, and crease die 7 drives exhaust pipe to be bent around cylinder 9, and the rotation of cylinder 9 can be reduced between exhaust pipe and cylinder 9
Friction.
Disk 2 is in 1 rotation process of shaft, and when the first magnetic patch is turned to close to the second magnetic patch 16, the first magnetic patch repels the
Two magnetic patch 16, the second magnetic patch 16 drive piston rod 15 to move right, and after the first magnetic patch leaves the second magnetic patch 16, piston rod 15 is by bullet
The effect of spring 17 moves downward reset.Piston rod 15 drives piston reciprocating sliding, 14 right part gas of piston bucket to be discharged to liquid storing barrel 11
It is interior, it pressurizes to the lubricating oil in liquid storing barrel 11, is discharged convenient for lubricating oil.In 9 rotation process of cylinder, between through-hole 13 and liquid outlet 12
It has a rest coincidence, when through-hole 13 and liquid outlet 12 overlap, lubricating oil discharge is lubricated the bending segment of exhaust pipe.
The gas of 14 left part of piston bucket is discharged into vortex tube 18, and gas isolates cold air and hot gas in vortex tube 18, cold
Gas is drained into storage in air bag 19.It is discharged between cylinder 9 and crease die 7 by hose, i.e., hot gas comes the bending of exhaust pipe
Duan Shang heats exhaust pipe, enhances the plasticity of exhaust pipe, convenient for bending.After processing is completed, solenoid valve 20, air bag are opened
Gas discharge in 19 carries out cooling and shaping to exhaust pipe.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete 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 should also be considered as protection scope of the present invention, these all do not interfere with what the present invention was implemented
Effect and patent practicability.
Claims (5)
1. motorcycle exhaust pipe process equipment, including rack, it is characterised in that:Workbench is rotatably connected in rack, in rack
It is fixedly arranged above locating rod positioned at workbench, being located at locating rod side on workbench is equipped with crease die, and crease die is close to locating rod
Side be equipped with arc groove;It is rotatably connected to cylinder positioned at the locating rod other side on workbench, liquid storage is rotatably connected in cylinder
Bucket, liquid storing barrel are fixed on the rack;Liquid outlet is equipped at liquid storing barrel bottom alignment crease die, cylinder is equipped with can be with liquid outlet
The through-hole of coincidence;
Shaft is rotatably connected in rack, cylinder top is equipped with belt grooves, by belt transmission between cylinder top and shaft, turns
It is fixed with driving gear on axis, the driven gear engaged with driving gear is fixed on workbench;Shaft upper end is fixed with disk,
Several first magnetic patch are evenly equipped on disk outer wall;
It is fixed with piston bucket in rack, piston is slidably connected in piston bucket, piston rod is fixed on piston, is fixed on piston rod
Have the second magnetic patch, the second magnetic patch and the first magnetic patch it is opposite one side it is magnetic opposite;End face of the piston bucket far from piston rod is equipped with
First air admission hole and the first venthole, the first air admission hole is interior to be equipped with breather check valve, and outgassing nonreturn valve is equipped in the first venthole,
It is connected to by pipeline between first venthole and liquid storing barrel.
2. motorcycle exhaust pipe process equipment according to claim 1, it is characterised in that:The crease die is slidably connected at
The hydraulic cylinder for driving crease die to slide is fixed on workbench, on workbench.
3. motorcycle exhaust pipe process equipment according to claim 2, it is characterised in that:Vortex is fixed in the rack
Pipe, vortex tube includes air inlet, hot gas gas outlet and cold air gas outlet, and cold air gas outlet is communicated with air bag, gas by pipeline
Capsule is equipped with gas vent, and solenoid valve is equipped in gas vent;Hot gas gas outlet is communicated with hose, is located at cylinder and bending on workbench
Mounting hole is equipped between mould, the one end of hose far from vortex tube is rotatably connected in mounting hole.
4. motorcycle exhaust pipe process equipment according to claim 3, it is characterised in that:Piston bucket both ends are close
Envelope, piston bucket are equipped with the second air admission hole and the second venthole close to the end face of piston rod, air inlet also are provided in the second air admission hole
Check valve also is provided with outgassing nonreturn valve in the second venthole, and the second venthole is connected to the air inlet of vortex tube by pipeline.
5. motorcycle exhaust pipe process equipment according to claim 4, it is characterised in that:The driving gear and driven tooth
The gear ratio of wheel is 1:8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790483.8A CN108687188A (en) | 2018-07-18 | 2018-07-18 | Motorcycle exhaust pipe process equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790483.8A CN108687188A (en) | 2018-07-18 | 2018-07-18 | Motorcycle exhaust pipe process equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108687188A true CN108687188A (en) | 2018-10-23 |
Family
ID=63850715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810790483.8A Pending CN108687188A (en) | 2018-07-18 | 2018-07-18 | Motorcycle exhaust pipe process equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108687188A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111015966A (en) * | 2019-12-06 | 2020-04-17 | 顾少云 | Tapping drill cylinder with cooling water self-supply function |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100101299A1 (en) * | 2008-10-28 | 2010-04-29 | Cml International S.P.A. | Pipe bending machine having an improved movement transmission to a bending die |
| KR101410035B1 (en) * | 2013-06-17 | 2014-06-20 | (주)에스에이치 | exhaust pipe bending apparatus |
| CN204353257U (en) * | 2014-12-30 | 2015-05-27 | 浙江金宝得汽车制冷配件有限公司 | A kind of bending machine |
| CN107262571A (en) * | 2017-08-16 | 2017-10-20 | 王祖友 | A kind of steel pipe bender |
| CN107999313A (en) * | 2017-12-29 | 2018-05-08 | 宁波高新区新柯保汽车科技有限公司 | Automobile casting spray-painting plant |
| CN108274335A (en) * | 2018-03-30 | 2018-07-13 | 宁波高新区新柯保汽车科技有限公司 | Automobile casting sanding and polishing device |
| CN208600517U (en) * | 2018-07-18 | 2019-03-15 | 重庆双龙机械配件有限公司 | Motorcycle exhaust pipe process equipment |
-
2018
- 2018-07-18 CN CN201810790483.8A patent/CN108687188A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100101299A1 (en) * | 2008-10-28 | 2010-04-29 | Cml International S.P.A. | Pipe bending machine having an improved movement transmission to a bending die |
| KR101410035B1 (en) * | 2013-06-17 | 2014-06-20 | (주)에스에이치 | exhaust pipe bending apparatus |
| CN204353257U (en) * | 2014-12-30 | 2015-05-27 | 浙江金宝得汽车制冷配件有限公司 | A kind of bending machine |
| CN107262571A (en) * | 2017-08-16 | 2017-10-20 | 王祖友 | A kind of steel pipe bender |
| CN107999313A (en) * | 2017-12-29 | 2018-05-08 | 宁波高新区新柯保汽车科技有限公司 | Automobile casting spray-painting plant |
| CN108274335A (en) * | 2018-03-30 | 2018-07-13 | 宁波高新区新柯保汽车科技有限公司 | Automobile casting sanding and polishing device |
| CN208600517U (en) * | 2018-07-18 | 2019-03-15 | 重庆双龙机械配件有限公司 | Motorcycle exhaust pipe process equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111015966A (en) * | 2019-12-06 | 2020-04-17 | 顾少云 | Tapping drill cylinder with cooling water self-supply function |
| CN111015966B (en) * | 2019-12-06 | 2021-08-31 | 山东辰之翼信息科技有限公司 | Tapping drill cylinder with cooling water self-supply function |
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