CN205734767U - Air exhaust structure of pneumatic tool and comprise its pneumatic tool - Google Patents

Air exhaust structure of pneumatic tool and comprise its pneumatic tool Download PDF

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Publication number
CN205734767U
CN205734767U CN201620045866.9U CN201620045866U CN205734767U CN 205734767 U CN205734767 U CN 205734767U CN 201620045866 U CN201620045866 U CN 201620045866U CN 205734767 U CN205734767 U CN 205734767U
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CN
China
Prior art keywords
cylinder part
pneumatic tool
cover body
tool
shaft member
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Expired - Fee Related
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CN201620045866.9U
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Chinese (zh)
Inventor
林添
田苡诺
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Hyphone Machine Industry Co Ltd
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Hyphone Machine Industry Co Ltd
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Priority to CN201620045866.9U priority Critical patent/CN205734767U/en
Application granted granted Critical
Publication of CN205734767U publication Critical patent/CN205734767U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

nullThis utility model is located at a pneumatic tool about a kind of air exhaust structure of pneumatic tool,Pneumatic tool has a body and a runner assembly,Body is provided with a cylinder part、One air inlet and an inlet channel,Inlet channel connection air inlet and the inside of cylinder part,Runner assembly is rotatably arranged in the inside of cylinder part,Air inlet enters this inlet channel for receiving gases at high pressure,The opening direction of definition air inlet is a first direction,Air exhaust structure of pneumatic tool includes at least one exhaust passage and the cover body of an annular,Cover body is sheathed on cylinder part,Cover body and cylinder part define an annular compartment,Cover body has radially provided at least one steam vent,Annular compartment is connected with extraneous one-tenth gas by each steam vent,Respectively this exhaust passage is for connecting this annular compartment and the inside of this cylinder part,The bearing of trend of definition respectively this exhaust passage is a second direction,This second direction is transverse to this first direction.This utility model separately provides a pneumatic tool comprising above-mentioned air exhaust structure of pneumatic tool.

Description

Air exhaust structure of pneumatic tool and comprise its pneumatic tool
Technical field
This utility model is relevant with pneumatic tool, in particular to a kind of air exhaust structure of pneumatic tool and the pneumatic tool comprising it.
Background technology
Pneumatic tool is to come as power resources by gases at high pressure, makes the runner assembly in pneumatic tool rotate, thereby drives tool assembly to operate.Owing to the source of gases at high pressure obtains more simple and convenient environmental protection again, make the waste gas being finished directly to be thrown in air, human body will not be damaged, also will not pollute processing environment.Therefore, pneumatic tool becomes the machining tool that factory is commonly used, is usually used in screw lock assembling operation, fastener dismounting operation or attrition process operation.
In this type of known pneumatic tool; the gases at high pressure having promoted runner assembly are typically just to be directly discharged to the external world via exhaust passage; owing to the pressure of gases at high pressure remains more than the external world, and flowing velocity is very fast, therefore often can produce wind during discharging and cut sound.
In order to avoid this phenomenon, some dealers can be provided with noise-reducing structure at tap, but, this measure will result in air tool structure and becomes complex.Or silencing cotton can be provided with at tap, but, for noise reduction silencing cotton through after a while use after, still can be destroyed by gases at high pressure and need change, covert increase use cost, there is the scarce fraud urgently improved.In addition, pneumatic grinding tool is typically adopted due to discharge directions and is designed towards abrasive disk fixed-direction, easily limiting because of the obstruction thing etc. of abrasive disk or working environment, causing powder (grey) dirt blowing afloat in abrasive disk or environment during aerofluxus is also one of common structure disappearance of pneumatic grinding tool.
Therefore, it is necessary to provide a kind of novelty and there is the air exhaust structure of pneumatic tool of progressive and comprise its pneumatic tool, to solve above-mentioned problem.
Utility model content
One of the purpose of this utility model, it is the pneumatic tool a kind of air exhaust structure of pneumatic tool being provided and comprising it, higher for pressure and flow velocity gases at high pressure faster can be dealt with further, make more be relaxed by steam vent expellant gas, and then the wind that can effectively reduce airflow strikes generation cuts sound.
The two of the purpose of this utility model, be provide a kind of can be according to the working environment demand air exhaust structure of pneumatic tool from Row sum-equal matrix steam vent direction.
For achieving the above object, this utility model is by the following technical solutions:
nullA kind of air exhaust structure of pneumatic tool,It is provided at a pneumatic tool,This pneumatic tool has a body and a runner assembly,This body is provided with a cylinder part、One air inlet and an inlet channel,This inlet channel connects the inside of this air inlet and this cylinder part,This runner assembly is the inside being rotatably arranged in this cylinder part,This air inlet enters this inlet channel for receiving gases at high pressure,The opening direction defining this air inlet is for a first direction,This air exhaust structure of pneumatic tool includes at least one exhaust passage and the cover body of an annular,This cover body is sheathed on this cylinder part,This cover body and this cylinder part define an annular compartment,This cover body has radially provided at least one steam vent,This annular compartment is connected with extraneous one-tenth gas by respectively this steam vent,Respectively this exhaust passage is for connecting this annular compartment and the inside of this cylinder part,Respectively the bearing of trend of this exhaust passage is defined as a second direction,This second direction is transverse to this first direction.
In a preferred embodiment, described first direction and second direction can shape have angle, and angle circle of this angle is in 90 degree to 150 degree, and wherein the axis direction of this cover body is parallel to this second direction.
In a preferred embodiment, described cover body for external operation and can 360 degree be rotatably positioned in this cylinder part.
In a preferred embodiment, including plural number exhaust passage, this plural number exhaust passage is for being equally spaced located at this cylinder part.
In a preferred embodiment, described cover body has this steam vent a plurality of, and this plural number steam vent is the side being located at this cover body thick and fast.
In a preferred embodiment, including plural number exhaust passage, this plural number exhaust passage is equally spaced for being located at this cylinder part;This cover body is rotatably positioned in this cylinder part for external operation;The axis direction of this cover body is generally parallel to this first direction;This first and second direction can shape have angle, and the angle of this angle is 90 degree to 150 degree.
A kind of pneumatic tool, comprises the air exhaust structure of pneumatic tool described in an any of the above-described item, further includes:
One body, is provided with a cylinder part, an air inlet and an inlet channel, and this air inlet enters this inlet channel for receiving gases at high pressure, and this inlet channel connects the inside of this air inlet and this cylinder part;
One runner assembly, is rotatably arranged in the inside of this cylinder part, and this runner assembly is provided with a shaft member and a rotor portions being connected with this shaft member.
In a preferred embodiment, separately including a tool assembly, this tool assembly is connected with group with this shaft member and becomes to rotate continuous action relation with this shaft member, and this tool assembly is provided with a center of rotation, and this center of rotation is to configure with this shaft member bias.
In a preferred embodiment; separately include a protection suite; this protection suite is provided with a group connecting part and a junction; the inside of this group connecting part connects the inside of this connecting portion; this connecting portion is to combine with this cylinder part; this cover body is to be sheathed on this connecting portion rotationally; this connecting portion is between this cover body and this cylinder part; this connecting portion has provided at least one intercommunicating pore; the respectively connection of this intercommunicating pore respectively this exhaust passage and this annular compartment, this shaft member is fed through the inside of this connecting portion and stretches into the inside of this group connecting part.
nullIn a preferred embodiment,Separately include a tool assembly,This tool assembly is for milling tool,This tool assembly is connected with group with this shaft member and becomes to rotate continuous action relation with this shaft member,Partly this tool assembly is in the inside of this group connecting part,This tool assembly is provided with a center of rotation,This center of rotation is to configure with this shaft member bias,This group connecting part has provided one first perforation,This tool assembly has provided one second perforation,This shaft member has provided one the 3rd perforation,This is first years old、Second and third perforation is the most corresponding,A connection piece is entered the inside of this group connecting part by this first perforation,And this connector is fed through this second and third perforation,And make this tool assembly be connected with this shaft member,This connecting portion has provided this intercommunicating pore a plurality of,And this plural number intercommunicating pore be to should plural number exhaust passage,Bearing of trend along this shaft member sees it,The radial dimension of this group connecting part is greater than the radial dimension of this connecting portion,And radially extend a ring retaining wall in the confluce, inside of the inside of this group connecting part Yu this connecting portion,This retaining wall leans with this rotor portions.
This utility model provides the benefit that: air exhaust structure of pneumatic tool of the present utility model and comprise its pneumatic tool, it is formed with an annular compartment through cover body and cylinder part, thereby collect the gases at high pressure of the inside just having left cylinder part, make gases at high pressure can in annular compartment again blood pressure lowering and relax flow velocity, air-flow is more relaxed, effectively reduces air pressure and flow through wind produced by steam vent and cut noise sound.Further, cover body can 360 degree freely rotate relative to cylinder part, user can according to demand or use environments to change discharge directions.Additionally, be further provided with protection suite to carry out house portions tool assembly so that pneumatic tool does not the most have the situation generation that foreign body is wound around, and the people of surrounding can be avoided less likely to produce great bodily injury when colliding with pneumatic tool.
Accompanying drawing explanation
Fig. 1 is the exploded view of this utility model one preferred embodiment.
Fig. 2 is the axonometric chart of this utility model one preferred embodiment.
Fig. 3 is the vertical view part sectioned view of Fig. 2.
Fig. 4 is another axonometric chart of this utility model one preferred embodiment.
Fig. 5 is the side-looking part sectioned view of Fig. 4.
Drawing reference numeral: 1: air exhaust structure of pneumatic tool;2: exhaust passage;3: cover body;31: steam vent;32: annular compartment;4: pneumatic tool;41: body;42: cylinder part;43: air inlet;44: inlet channel;5: runner assembly;51: shaft member;511: the three perforations;52: rotor portions;6: tool assembly;61: the second perforations;7: protection suite;71: group connecting part;711: the first perforations;72: connecting portion;721: intercommunicating pore;73: ring retaining wall;8: connector;91: first direction;92: second direction.
Detailed description of the invention
Hereinafter only with embodiment the enforcement aspect that this utility model is possible is described, but and be not used to limit the category that this utility model to be protected, first give chat bright.
Refer to Fig. 1 to Fig. 5, it shows a preferred embodiment of the present utility model, and this utility model provides a kind of air exhaust structure of pneumatic tool 1 and a kind of pneumatic tool 4.This air exhaust structure of pneumatic tool 1 is provided at this pneumatic tool 4, and this pneumatic tool 4 has body 41 and a runner assembly 5.
This body 41 is provided with cylinder part 42, air inlet 43 and an inlet channel 44, this air inlet 43 enters this inlet channel 44 for receiving gases at high pressure, defining the opening direction of this air inlet 43 is for a first direction 91, and this inlet channel 44 connects this air inlet 43 and the inside of this cylinder part 42.This runner assembly 5 is rotatably arranged in the inside of this cylinder part 42, and this runner assembly 5 is provided with shaft member 51 and the rotor portions 52 being connected with this shaft member 51.
This air exhaust structure of pneumatic tool 1 includes at least one exhaust passage 2 and the cover body 3 of an annular, this cover body 3 is sheathed on this cylinder part 42, this cover body 3 defines an annular compartment 32 with this cylinder part 42, this cover body 3 has radially provided at least one steam vent 31, this annular compartment 32 is connected with extraneous one-tenth gas by respectively this steam vent 31, respectively this exhaust passage 2 is for connecting this annular compartment 32 and the inside of this cylinder part 42, the bearing of trend of each this exhaust passage 2 of definition is for a second direction 92, and this second direction 92 is transverse to this first direction 91.
Emphasize further, the axis direction of this cover body 3 is generally to be parallel to this second direction 92, and in other words, the axle center of this cover body 3 is transverse to the opening direction (ginseng Fig. 5) of this air inlet 43.Further it will be understood that this first and second direction 91,92 can shape have angle, preferably be that this first direction 91 is perpendicular to this second direction 92 in the present embodiment.But, it is not limited thereto, it is however generally that, in use, the angle metropolis of this angle often used falls between for 90 degree to 150 degree this pneumatic tool 4, and therefore, dealer can be adjusted in design process according to different use demands.
First, the flow process of these gases at high pressure is explained orally further, these gases at high pressure are to enter the inside of this cylinder part 42 from this air inlet 43 via this inlet channel 44, driving this runner assembly 5 to rotate through these gases at high pressure, these gases at high pressure that then pressure more reduces are i.e. along during respectively this exhaust passage 2 enters this annular compartment 32.It is noted that the pressure of these gases at high pressure owing to just having left from the inside of this cylinder part 42 is still slightly larger than the external world, and air-flow is the most chaotic, flow velocity is the most very fast.Now, this annular compartment 32 then can in time provide these gases at high pressure can effect of blood pressure lowering again, also air-flow velocity can be made to become more and relax, can effectively reduce the wind that these gases at high pressure are produced by respectively this steam vent 31 and cut noise sound.
In the present embodiment, this air exhaust structure of pneumatic tool 1 includes plural number exhaust passage 2, and, this plural number exhaust passage 2 is for being equally spaced located at this cylinder part 42, make these gases at high pressure can leave the inside of this cylinder part 42 more uniform and swimmingly, and less have and pile up the situation generation that cannot discharge, can effectively solve to use down for a long time, the problem that the pressure of the inside of this cylinder part 42 can be too high.And this cover body 3 has this steam vent 31 a plurality of, the area discharging these gases at high pressure can be increased, similarly may insure that the smooth degree that these gases at high pressure are discharged.This plural number steam vent 31 in the present embodiment is the side (ginseng Fig. 2) being located at this cover body 3 thick and fast, and this high pressure gas physical ability can be made to have clearer and more definite and unified discharge direction.It is preferred that this cover body 3 for external operation can 360 degree be rotatably positioned in this cylinder part 42, consequently, it is possible to user can be allowed according to use environment or operational requirements, and be freely rotatable this cover body 3 to change discharge directions.For example, this plural number steam vent 31 of adjustable (ginseng Fig. 4) upward, it is to avoid ground dust is blown afloat by this high pressure gas cognition of discharge, causes stuffy.
It addition, this pneumatic tool 4 separately includes a tool assembly 6, this tool assembly 6 is connected with group with this shaft member 51 and becomes to rotate continuous action relation with this shaft member 51, and this tool assembly 6 is driven by this shaft member 51 and can be processed operation.Further, along with the operation aspect to be processed is different, this different tool assemblies 6 can be changed.For example, when this tool assembly 6 is for milling tool, this pneumatic tool 4 then can be used for the surface of grinding workpiece or carries out car body waxing etc..This tool assembly 6 in the present embodiment is provided with a center of rotation, and this center of rotation is configuration eccentric with this shaft member 51.
Due to this pneumatic tool 4 in the running, this tool assembly 6 and this shaft member 51 rotate with being by higher speed, and in order to avoid there being other foreign material to enwind this shaft member 51 in the course of processing, or human body collides with this tool assembly 6 of quick rotation and injured arround avoiding.It is preferred that this pneumatic tool 4 separately includes a protection suite 7.Say in more detail; this protection suite 7 is provided with a group connecting part 71 and a junction 72; the inside of this group connecting part 71 connects the inside of this connecting portion 72; this connecting portion 72 is to combine with this cylinder part 42; this cover body 3 is to be sheathed on this connecting portion 72 rotationally, and this connecting portion 72 is between this cover body 3 and this cylinder part 42.In more detail, this connecting portion 72 has provided at least one intercommunicating pore 721, and respectively this intercommunicating pore 721 connects respectively this exhaust passage 2 and this annular compartment 32, without hindering the circulation of these gases at high pressure.Further, this shaft member 51 is fed through the inside of this connecting portion 72 and stretches into the inside of this group connecting part 71 so that partly this tool assembly 6 will certainly be positioned at the inside of this group connecting part 71, reaches the purpose of protection.In the present embodiment, this connecting portion 72 has provided this intercommunicating pore 721 a plurality of, this plural number intercommunicating pore 721 be to should plural number exhaust passage 2, the bearing of trend along this shaft member 51 sees it, and the radial dimension of this group connecting part 71 is greater than the radial dimension of this connecting portion 72.Further, having radially extended a ring retaining wall 73 in the confluce, inside of the inside of this group connecting part 71 Yu this connecting portion 72, this ring retaining wall 73 leans with this rotor portions 52, it is ensured that this high pressure gas cognition flows in this annular compartment 32, without flowing to the inside of this group connecting part 71.
In the present embodiment, this group connecting part 71 has provided one first perforation 711, this tool assembly 6 has provided one second perforation 61, and this shaft member 51 has provided one the 3rd perforation 511, this first, second and third perforation 711,61,511 is the most corresponding, and a connection piece 8 is entered the inside of this group connecting part 71 by this first perforation 711, and this connector 8 is fed through this second and third perforation 61,511, and make this tool assembly 6 be connected with this shaft member 51.
To sum up, air exhaust structure of pneumatic tool of the present utility model and comprise its pneumatic tool, it is formed with an annular compartment through cover body and cylinder part, thereby collect the gases at high pressure of the inside just having left cylinder part, make gases at high pressure can in annular compartment again blood pressure lowering and relax flow velocity, air-flow is more relaxed, effectively reduces air pressure and flow through wind produced by steam vent and cut noise sound.
Further, cover body can 360 degree freely rotate relative to cylinder part, user can according to demand or use environments to change discharge directions.
Additionally, be further provided with protection suite to carry out house portions tool assembly so that pneumatic tool does not the most have the situation generation that foreign body is wound around, and the people of surrounding can be avoided less likely to produce great bodily injury when colliding with pneumatic tool.

Claims (10)

  1. null1. an air exhaust structure of pneumatic tool,It is provided at a pneumatic tool,This pneumatic tool has a body and a runner assembly,This body is provided with a cylinder part、One air inlet and an inlet channel,This inlet channel connects the inside of this air inlet and this cylinder part,This runner assembly is the inside being rotatably arranged in this cylinder part,This air inlet enters this inlet channel for receiving gases at high pressure,The opening direction defining this air inlet is for a first direction,It is characterized in that,This air exhaust structure of pneumatic tool includes at least one exhaust passage and the cover body of an annular,This cover body is sheathed on this cylinder part,This cover body and this cylinder part define an annular compartment,This cover body has radially provided at least one steam vent,This annular compartment is connected with extraneous one-tenth gas by respectively this steam vent,Respectively this exhaust passage is for connecting this annular compartment and the inside of this cylinder part,Respectively the bearing of trend of this exhaust passage is defined as a second direction,This second direction is transverse to this first direction.
  2. Air exhaust structure of pneumatic tool the most according to claim 1, it is characterised in that described first direction and second direction can shape have angle, and angle circle of this angle is in 90 degree to 150 degree, and wherein the axis direction of this cover body is parallel to this second direction.
  3. Air exhaust structure of pneumatic tool the most according to claim 1, it is characterised in that described cover body for external operation and can 360 degree be rotatably positioned in this cylinder part.
  4. Air exhaust structure of pneumatic tool the most according to claim 1, it is characterised in that include plural number exhaust passage, this plural number exhaust passage is for being equally spaced located at this cylinder part.
  5. Air exhaust structure of pneumatic tool the most according to claim 1, it is characterised in that described cover body has this steam vent a plurality of, this plural number steam vent is the side being located at this cover body thick and fast.
  6. Air exhaust structure of pneumatic tool the most according to claim 5, it is characterised in that include plural number exhaust passage, this plural number exhaust passage is equally spaced for being located at this cylinder part;This cover body is rotatably positioned in this cylinder part for external operation;The axis direction of this cover body is generally parallel to this first direction;This first and second direction can shape have angle, and the angle of this angle is 90 degree to 150 degree.
  7. 7. a pneumatic tool, comprises one according to the air exhaust structure of pneumatic tool described in claim 1 to 6 any of which item, it is characterised in that further include:
    One body, is provided with a cylinder part, an air inlet and an inlet channel, and this air inlet enters this inlet channel for receiving gases at high pressure, and this inlet channel connects the inside of this air inlet and this cylinder part;
    One runner assembly, is rotatably arranged in the inside of this cylinder part, and this runner assembly is provided with a shaft member and a rotor portions being connected with this shaft member.
  8. Pneumatic tool the most according to claim 7, it is characterized in that, separately include a tool assembly, this tool assembly is connected with group with this shaft member and becomes to rotate continuous action relation with this shaft member, this tool assembly is provided with a center of rotation, and this center of rotation is to configure with this shaft member bias.
  9. Pneumatic tool the most according to claim 8; it is characterized in that; separately include a protection suite; this protection suite is provided with a group connecting part and a junction; the inside of this group connecting part connects the inside of this connecting portion; this connecting portion is to combine with this cylinder part; this cover body is to be sheathed on this connecting portion rotationally; this connecting portion is between this cover body and this cylinder part; this connecting portion has provided at least one intercommunicating pore; the respectively connection of this intercommunicating pore respectively this exhaust passage and this annular compartment, this shaft member is fed through the inside of this connecting portion and stretches into the inside of this group connecting part.
  10. nullPneumatic tool the most according to claim 9,It is characterized in that,Separately include a tool assembly,This tool assembly is for milling tool,This tool assembly is connected with group with this shaft member and becomes to rotate continuous action relation with this shaft member,Partly this tool assembly is in the inside of this group connecting part,This tool assembly is provided with a center of rotation,This center of rotation is to configure with this shaft member bias,This group connecting part has provided one first perforation,This tool assembly has provided one second perforation,This shaft member has provided one the 3rd perforation,This is first years old、Second and third perforation is the most corresponding,A connection piece is entered the inside of this group connecting part by this first perforation,And this connector is fed through this second and third perforation,And make this tool assembly be connected with this shaft member,This connecting portion has provided this intercommunicating pore a plurality of,And this plural number intercommunicating pore be to should plural number exhaust passage,Bearing of trend along this shaft member sees it,The radial dimension of this group connecting part is greater than the radial dimension of this connecting portion,And radially extend a ring retaining wall in the confluce, inside of the inside of this group connecting part Yu this connecting portion,This retaining wall leans with this rotor portions.
CN201620045866.9U 2016-01-18 2016-01-18 Air exhaust structure of pneumatic tool and comprise its pneumatic tool Expired - Fee Related CN205734767U (en)

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Application Number Priority Date Filing Date Title
CN201620045866.9U CN205734767U (en) 2016-01-18 2016-01-18 Air exhaust structure of pneumatic tool and comprise its pneumatic tool

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109352514A (en) * 2018-11-15 2019-02-19 苏州丰川电子科技有限公司 Grinding head is used in metal surface processing
CN109500727A (en) * 2018-11-15 2019-03-22 苏州丰川电子科技有限公司 Wear-resistant grinding head
CN109514432A (en) * 2018-11-12 2019-03-26 苏州丰川电子科技有限公司 Grinding head for metal parts processing
CN109531410A (en) * 2018-11-15 2019-03-29 苏州丰川电子科技有限公司 High-precision grinding head
US10661429B2 (en) 2016-04-12 2020-05-26 Basso Industry Corp. Pneumatic tool with adjustable exhaust direction

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10661429B2 (en) 2016-04-12 2020-05-26 Basso Industry Corp. Pneumatic tool with adjustable exhaust direction
TWI696526B (en) * 2016-04-12 2020-06-21 鑽全實業股份有限公司 A pneumatic tool with switching exhaust direction
CN109514432A (en) * 2018-11-12 2019-03-26 苏州丰川电子科技有限公司 Grinding head for metal parts processing
CN109352514A (en) * 2018-11-15 2019-02-19 苏州丰川电子科技有限公司 Grinding head is used in metal surface processing
CN109500727A (en) * 2018-11-15 2019-03-22 苏州丰川电子科技有限公司 Wear-resistant grinding head
CN109531410A (en) * 2018-11-15 2019-03-29 苏州丰川电子科技有限公司 High-precision grinding head

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Granted publication date: 20161130

Termination date: 20210118