CN113580040A - Fool-proof fixing tool - Google Patents

Fool-proof fixing tool Download PDF

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Publication number
CN113580040A
CN113580040A CN202110926752.0A CN202110926752A CN113580040A CN 113580040 A CN113580040 A CN 113580040A CN 202110926752 A CN202110926752 A CN 202110926752A CN 113580040 A CN113580040 A CN 113580040A
Authority
CN
China
Prior art keywords
air
workpiece
machined
expansion sleeve
elastic expansion
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
Application number
CN202110926752.0A
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Chinese (zh)
Inventor
苏江涛
林志华
乔兴茂
姚磊
阚金标
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Wuhu Gree Precision Manufacturing Co Ltd
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Wuhu Gree Precision Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai, Wuhu Gree Precision Manufacturing Co Ltd filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202110926752.0A priority Critical patent/CN113580040A/en
Publication of CN113580040A publication Critical patent/CN113580040A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V9/00Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00

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  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention discloses a fool-proof fixing tool and relates to the technical field of machining. The method specifically comprises the following steps: a taper body; the elastic expansion sleeve is sleeved at one end of the taper body with the taper and reciprocates along the length direction of the taper body to fasten or release a workpiece to be machined; the positioning cover is sleeved on the periphery of the elastic expansion sleeve and used for supporting the workpiece to be machined; and the fool-proof assembly is used for detecting whether the workpiece to be machined is installed in place or not after the elastic expansion sleeve fastens the workpiece to be machined. The detection device is added to the existing fixing tool, whether the cylinder casting is installed in place or not is judged, and the situation that the product percent of pass is unstable due to the fact that the cylinder casting is not installed in place is avoided.

Description

Fool-proof fixing tool
Technical Field
The invention relates to the technical field of machining, in particular to a fool-proof fixing tool.
Background
In the compressor of the air conditioner, the cylinder is a very critical component, which plays a decisive role in the effect of all the compressors, so that the good cylinder is the heart of the compressor.
In the production process of manufacturing and processing the cylinder casting, due to high product quality requirement and complex product process, the conditions of low production efficiency and unstable quality qualification rate generally exist, and the key procedure tool is basically designed unreasonably.
In order to solve the technical problem, the elastic expansion sleeve clamp structure of the Chinese patent discloses a clamp body which is provided with a central hole; the pull rod shaft is arranged in the central hole of the clamp body; a tie rod joint, one end of which is in contact with the tie rod shaft; one end of the ball head is contacted with the other end of the pull rod joint and is connected with the pull rod shaft; the clamp comprises a clamp body, a taper body and a clamping piece, wherein one end of the taper body is provided with a flange plate, the flange plate is provided with a plurality of through holes, one surface of the flange plate is connected with the front end surface of the clamp body, and the other end of the taper body is provided with a taper; the guide posts penetrate through the through holes, and one ends of the guide posts are connected with the other end of the pull rod joint; one end of the expansion sleeve fixing plate is connected with the other ends of the guide pillars; one end of the expansion sleeve gland is connected with the expansion sleeve fixing plate; one end of the elastic expansion sleeve is connected with the other end of the expansion sleeve gland; one surface of the connecting disc is connected with the other surface of the flange; and one end of the positioning pad is connected with the other side of the connecting disc, the other end of the positioning pad is provided with a boss, the boss is provided with a plurality of grooves, and the end face of the boss is a positioning surface.
Although the problem of fixing the cylinder casting is solved, the detection structure is not provided, whether the cylinder casting is installed in place can not be judged, and the problem that the product percent of pass is unstable due to the fact that the cylinder casting cannot be installed in place is easy to occur.
Disclosure of Invention
The invention mainly aims to provide a fool-proof fixing tool, and aims to add a detection device on the existing fixing tool to judge whether a cylinder casting is installed in place or not, so that the condition that the product percent of pass is unstable due to the fact that the cylinder casting is not installed in place is avoided.
In order to achieve the above object, the present invention provides a fool-proof fixing tool, including:
a taper body;
the elastic expansion sleeve is sleeved at one end of the taper body with the taper and reciprocates along the length direction of the taper body to fasten or release a workpiece to be machined;
the positioning cover is sleeved on the periphery of the elastic expansion sleeve and used for supporting the workpiece to be machined;
and the fool-proof assembly is used for detecting whether the workpiece to be machined is installed in place or not after the elastic expansion sleeve fastens the workpiece to be machined.
In an embodiment of the present application, further comprising a driving assembly, the driving assembly comprising:
the transmission part is fixedly connected with the elastic expansion sleeve; and
and the driving piece drives the transmission piece to drive the elastic expansion sleeve to reciprocate along the length direction of the taper body.
In an embodiment of this application, be equipped with flange with the opposite other end in tapering one end on the tapering body, flange with the lower surface of location lid is connected, just the connection method is equipped with even and supplies the via hole that the driving medium passed.
In an embodiment of the present application, the fool-proof assembly includes:
the air outlets of the first air passages are uniformly distributed on one surface of the positioning cover, which is contacted with the workpiece to be machined; and
and the air pressure detection piece is used for detecting the air pressure in the first air passage.
In an embodiment of the present application, the fool-proof assembly further includes: and the second air passages are arranged in the connecting flange and are provided with air outlets which are respectively communicated with the first air passages in a one-to-one correspondence manner.
In an embodiment of the present application, the air inlet of the second air duct is located on a side surface of the connecting flange away from the taper body, and is located at a central position of the side surface.
In an embodiment of the present application, the air inlet of the second air passage is provided with a connecting thread for connecting an air inlet device.
In an embodiment of the present application, a sealing ring is disposed at a connection between the air outlet of the second air passage and the air inlet of the first air passage.
In an embodiment of the present application, the positioning cover is provided with a positioning pin for limiting the directional rotation of the workpiece to be processed.
In an embodiment of the present application, the number of the first air passages is three.
By adopting the technical scheme, after the workpiece to be machined is fixed on the elastic expansion sleeve, the elastic expansion sleeve is driven to move, so that the workpiece to be machined is fastened. Wait that elasticity rises to overlap will treat that the machined part is fixed the back, treat through preventing that slow-witted subassembly detects whether the machined part is installed in place to the effectual machined part product qualification rate unstable condition appearance of treating that has avoided leading to because of treating that the machined part is installed not in place appears.
Drawings
The invention is described in detail below with reference to specific embodiments and the attached drawing figures, wherein:
FIG. 1 is a schematic illustration of an explosive structure according to a first embodiment of the invention;
fig. 2 is a cross-sectional view of the fool-proof fixture of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and examples. It should be understood that the following specific examples are only for illustrating the present invention and are not to be construed as limiting the present invention.
As shown in fig. 1 and 2, in order to achieve the above object, the present invention provides a fool-proof fixture 100, including:
a taper body 10;
the elastic expansion sleeve 20 is sleeved at one end of the taper body 10 with taper and reciprocates along the length direction of the taper body 10 to fasten or release a workpiece to be machined;
the positioning cover 30 is sleeved on the periphery of the elastic expansion sleeve 20 and used for supporting the workpiece to be machined;
and the fool-proof assembly is used for detecting whether the workpiece to be machined is installed in place or not after the elastic expansion sleeve 20 fastens the workpiece to be machined.
Specifically, prevent slow-witted fixing device and be used for the fixed machined part of treating, the machined part of treating in this application indicates the cylinder foundry goods.
The taper body 10 is composed of two parts, namely a column 12 and a platform 11, the platform 11 comprises a first end surface and a second end surface, the first end surface of the platform 11 is smaller than the second end surface, the area of the second end surface of the platform 11 is equal to the area of the cross section of the column 12, and the second end surface of the platform 11 is connected with the cross section of the column 12 to form the taper body 10. It is contemplated that the cylindrical body 12 in the present application may be a cylindrical body 12 or a prismatic body 12. The table body 11 in the present application may be a circular table or a truncated pyramid.
The taper body 10 is made of an aluminum alloy material, and the taper body 10 made of the aluminum alloy material has the advantages of being strong in supporting capacity, resistant to abrasion and the like. Of course, other materials can be adopted according to the design requirement, such as steel, and the adopted steel has the advantages of high strength, good heat resistance, good toughness and the like.
The elastic expansion sleeve 20 comprises two parts, namely a cylindrical sleeve and a table body 11 sleeve, wherein the table body 11 sleeve is provided with cracks, and when the table body 11 sleeve is extruded, the sleeve can expand outwards along the cracks, so that outwards tension is formed.
The elastic expansion sleeve 20 and the taper body 10 are made of the same material and have the same technical effect, and the detailed description is omitted.
The elastic expansion sleeve 20 is sleeved on one end with the taper of the taper body 10 and is in sliding connection with the outer surface of the taper body 10, and the elastic expansion sleeve 20 can reciprocate in the length direction of the taper body 10 under the action of external force.
When a workpiece is machined, the sleeve of the table body 11 of the elastic expansion sleeve 20 is sleeved on the sleeve of the elastic expansion sleeve 20, and at this time, when the elastic expansion sleeve 20 is driven to move from the table body 11 of the taper body 10 to the side of the cylinder 12 of the taper body 10, the table body 11 and the cylinder 12 on the taper body 10 extrude the sleeve part of the table body 11 of the elastic expansion sleeve 20, and at this time, the sleeve part of the table body 11 of the elastic expansion sleeve 20 expands outwards, so that the workpiece is fixed. When the elastic expansion sleeve 20 moves in the opposite direction, the sleeve portion of the table body 11 of the elastic expansion sleeve 20 contracts inwardly, thereby releasing the member to be processed.
The positioning cover 30 is made of the same material as the taper body 10 and the elastic expansion sleeve 20, and has the same advantages.
The positioning cover 30 is provided with a central through hole, and the positioning cover 30 is sleeved on the periphery of the elastic expansion sleeve 20 through the central through hole and is used for supporting a workpiece to be processed.
Prevent slow-witted subassembly and be used for the check whether to wait that the machined part is installed in place to avoid leading to the unstable condition of product percent of pass to appear because of the cylinder foundry goods installation is not in place.
The specific working process comprises the following steps: firstly, a workpiece to be processed is sleeved on the elastic expansion sleeve 20, then the elastic expansion sleeve 20 is driven to move towards the cylinder 12 of the taper body 10, the table body 11 of the elastic expansion sleeve 20 is expanded, the workpiece to be processed is fixed by the fixing column, the fool-proof assembly detects whether the workpiece to be processed is attached to the surface of the positioning cover 30, and if the workpiece to be processed is attached to the surface of the positioning cover 30, the workpiece to be processed is installed in place and can be processed. If the workpiece to be processed is not attached to the surface of the positioning cover 30, the workpiece to be processed is not installed in place, and the user is prompted that the workpiece to be processed is not installed in place.
By adopting the technical scheme, after the workpiece to be machined is fixed on the elastic expansion sleeve 20, the elastic expansion sleeve 20 is driven to move, so that the workpiece to be machined is fastened. Wait that elasticity rises cover 20 will treat that the machined part is fixed the back, treat through preventing that the slow-witted subassembly detects whether to treat that the machined part is installed in place to the effectual machined part product qualification rate unstable condition of treating that has avoided leading to because of treating that the machined part is installed not in place appears.
In an embodiment of the present application, further comprising a driving assembly, the driving assembly comprising:
the transmission piece 51 is fixedly connected with the elastic expansion sleeve 20; and
and the driving part drives the transmission part 51 to drive the elastic expansion sleeve 20 to reciprocate along the length direction of the taper body 10.
Specifically, the elastic expansion sleeve 20 is driven by the driving assembly in the present application, so as to ensure the stability of the elastic expansion sleeve 20 during the movement process.
The driving assembly comprises a driving part 51, the driving part 51 is connected to the elastic expansion sleeve 20 through a screw, the driving part is connected in a screw connection mode, the driving part 51 and the elastic expansion sleeve 20 are convenient to install and detach, and later maintenance is convenient.
By adopting the technical scheme, the structure is simple, and the elastic expansion sleeve 20 is convenient to stably drive.
In an embodiment of the present application, a connecting flange 13 is disposed on the other end of the taper body 10 opposite to the end with the taper, the connecting flange 13 is connected to the lower surface of the positioning cover 30, and a through hole 131 is disposed on the connecting flange and is used for the transmission member 51 to pass through.
Specifically, the other end of the taper body 10 opposite to the tapered end is provided with a connecting flange 13, the connecting flange 13 is arranged at the end to facilitate the connection of the taper body 10, and the connecting flange 13 is connected to the lower surface of the positioning cover 30. The connecting flange 13 is fixedly connected with the lower surface of the positioning cover 30, and the connecting flange 13 is fixedly connected with the lower surface of the positioning cover 30, so that the connecting stability between the connecting flange 13 and the positioning cover 30 can be ensured. Of course, according to the design requirement, the connecting flange 13 and the lower surface of the positioning cover 30 may also be movably connected, for example, bolted connection, which facilitates the installation and the detachment of the connecting flange 13 and the subsequent maintenance.
The connecting flange 13 is provided with a via hole 131 through which the transmission member 51 partially passes, and the transmission member 51 is connected to the elastic expansion sleeve 20 through the via hole 131, so that the structure is simple, and the miniaturization processing of the fool-proof fixing tool 100 is facilitated.
In an embodiment of the present application, the fool-proof assembly includes:
at least two first air ducts 41 are arranged in the positioning cover 30, and air outlets of the first air ducts 41 are uniformly distributed on one surface of the positioning cover 30, which is in contact with the workpiece to be machined; and
and an air pressure detecting member for detecting the air pressure in the first air passage 41.
Specifically, prevent slow-witted subassembly including seting up in the inside at least two first gas ducts 41 of location lid 30, the even distribution in gas outlet of first gas duct 41 on the lid 30 of location with treat the one side of machined part contact to guarantee the export of gas duct can with treat the machined part contact.
The air pressure detecting member employs an air pressure detecting sensor to detect an air pressure value in the first air passage 41.
The working principle is as follows: the first air passage 41 is filled with air, when a workpiece to be machined is fixed on the elastic expansion sleeve 20 and then attached to the positioning cover 30, the workpiece to be machined can block the air outlet of the first air passage 41, at the moment, the air pressure in the two first air passages 41 can be changed, when the pressure values in the two first air passages 41 are consistent or within a preset range, the workpiece to be machined is installed in place, and when the pressure values in the two first air passages 41 exceed the preset range, the workpiece to be machined is not installed in place.
By adopting the technical scheme, the structure is simple, and the detection precision is high.
In an embodiment of the present application, the fool-proof assembly further includes: and the second air passage 42 is arranged in the connecting flange 13 and is provided with air outlets which are respectively communicated with the first air passages 41 in a one-to-one correspondence manner.
Specifically, prevent slow-witted subassembly still including setting up the second air flue 42 in flange 13, second air flue 42 be equipped with respectively with the gas outlet of 41 one-to-one intercommunications of first air flue, the air inlet of second air flue 42 is one, adopts this kind of structure, sets up an air inlet, can guarantee that the atmospheric pressure in the second air flue 42 all keeps unanimous, the subsequent detection of being convenient for. By connecting the second air passage 42 with the first air passage 41, the air pressure in the second air passage 42 can be ensured to be consistent with the air pressure in the first air passage 41, thereby facilitating subsequent detection.
In an embodiment of the present application, the air inlet of the second air duct 42 is located on a side of the connecting flange 13 away from the conical body 10, and is located at a central position of the side.
Specifically, the air inlet of the second air passage 42 is arranged on the side surface, far away from the taper body 10, of the connecting flange 13, and the air inlet is located in the center of the side surface, so that the air inlet is convenient to connect with an air pipe, and meanwhile, the gravity center stability of the connecting flange 13 is guaranteed.
In an embodiment of the present application, the air inlet of the second air passage 42 is provided with a connection screw thread for connecting an air inlet device.
Specifically, a connecting thread for connecting an air inlet device is arranged in an air inlet of the second air passage 42, so that the air inlet device is conveniently connected with the air inlet of the second air passage 42.
In an embodiment of the present application, a sealing ring 43 is disposed at a connection between the air outlet of the second air passage 42 and the air inlet of the first air passage 41.
Specifically, sealing washer 43 adopts rubber materials to make, and sealing washer 43 that adopts rubber materials to make has elasticity, can realize better sealed effect, sets up sealing washer 43 at the gas outlet of second air flue 42 and the junction of the air inlet of first air flue 41, avoids the gas leakage of the gas outlet of second air flue 42 and the junction of the air inlet of first air flue 41, guarantees that the atmospheric pressure in second air flue 42 and the first air flue 41 keeps unified, detects for subsequent atmospheric pressure and provides the guarantee.
In an embodiment of the present application, the positioning cap 30 is provided with a positioning pin 31 for limiting the directional rotation of the workpiece to be processed.
Specifically, the positioning cover 30 is provided with a positioning pin 31, and the positioning pin 31 limits the workpiece to be processed to rotate towards a fixed direction, so that the stability of the workpiece to be processed in processing is ensured.
In an embodiment of the present application, the number of the first air passages 41 is three.
Specifically, three air passages are arranged, so that the detection precision can be improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. The utility model provides a prevent slow-witted fixed frock which characterized in that includes:
a taper body;
the elastic expansion sleeve is sleeved at one end of the taper body with the taper and reciprocates along the length direction of the taper body to fasten or release a workpiece to be machined;
the positioning cover is sleeved on the periphery of the elastic expansion sleeve and used for supporting the workpiece to be machined;
and the fool-proof assembly is used for detecting whether the workpiece to be machined is installed in place or not after the elastic expansion sleeve fastens the workpiece to be machined.
2. The foolproof fixing tool of claim 1, further comprising a drive assembly, said drive assembly comprising:
the transmission part is fixedly connected with the elastic expansion sleeve; and
and the driving piece drives the transmission piece to drive the elastic expansion sleeve to reciprocate along the length direction of the taper body.
3. The foolproof fixing tool according to claim 2, wherein a connecting flange is arranged at the other end of the taper body opposite to the end with the taper, the connecting flange is connected with the lower surface of the positioning cover, and a through hole for the transmission part to pass through is arranged on the connecting flange.
4. The fool-proof fixture of claim 3 wherein the fool-proof assembly comprises:
the air outlets of the first air passages are uniformly distributed on one surface of the positioning cover, which is contacted with the workpiece to be machined; and
and the air pressure detection piece is used for detecting the air pressure in the first air passage.
5. The fool-proof fixture of claim 4 wherein the fool-proof assembly further comprises: and the second air passages are arranged in the connecting flange and are provided with air outlets which are respectively communicated with the first air passages in a one-to-one correspondence manner.
6. The foolproof fixing tool according to claim 5, wherein the air inlet of the second air channel is located on one side surface of the connecting flange, which is far away from the taper body, and is located at the center of the side surface.
7. The foolproof fixing tool according to claim 5, wherein a connecting thread for connecting an air inlet device is arranged at an air inlet of the second air passage.
8. The foolproof fixing tool according to claim 5, wherein a sealing ring is arranged at the joint of the air outlet of the second air passage and the air inlet of the first air passage.
9. The foolproof fixing tool as claimed in claim 5, wherein the positioning cover is provided with a positioning pin for limiting the directional rotation of the workpiece to be processed.
10. The foolproof fixing tool of claim 4, wherein there are three first air passages.
CN202110926752.0A 2021-08-12 2021-08-12 Fool-proof fixing tool Pending CN113580040A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110926752.0A CN113580040A (en) 2021-08-12 2021-08-12 Fool-proof fixing tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110926752.0A CN113580040A (en) 2021-08-12 2021-08-12 Fool-proof fixing tool

Publications (1)

Publication Number Publication Date
CN113580040A true CN113580040A (en) 2021-11-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110926752.0A Pending CN113580040A (en) 2021-08-12 2021-08-12 Fool-proof fixing tool

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CN (1) CN113580040A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114247912A (en) * 2021-11-22 2022-03-29 浙江万里扬智能制造有限公司 Automobile synchronizer gear sleeve clamp

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203109717U (en) * 2013-03-19 2013-08-07 天津精诚机床股份有限公司 Air impermeability detecting mechanism
CN106312642A (en) * 2016-10-20 2017-01-11 东莞市众茂五金有限公司 Air pressure detection type clamp
CN205888590U (en) * 2016-06-30 2017-01-18 宝鸡法士特齿轮有限责任公司 Finish turning anchor clamps of function are detected in area
CN208895664U (en) * 2018-08-13 2019-05-24 重庆耐世特转向***有限公司 Air pressure positioning mechanism
CN209902798U (en) * 2019-05-13 2020-01-07 浙江万丰摩轮有限公司 Safety mistake-proofing detection device
CN112720009A (en) * 2020-12-25 2021-04-30 江西鼎力旋压装备有限公司 Automobile wheel hub anchor clamps with automated inspection function

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203109717U (en) * 2013-03-19 2013-08-07 天津精诚机床股份有限公司 Air impermeability detecting mechanism
CN205888590U (en) * 2016-06-30 2017-01-18 宝鸡法士特齿轮有限责任公司 Finish turning anchor clamps of function are detected in area
CN106312642A (en) * 2016-10-20 2017-01-11 东莞市众茂五金有限公司 Air pressure detection type clamp
CN208895664U (en) * 2018-08-13 2019-05-24 重庆耐世特转向***有限公司 Air pressure positioning mechanism
CN209902798U (en) * 2019-05-13 2020-01-07 浙江万丰摩轮有限公司 Safety mistake-proofing detection device
CN112720009A (en) * 2020-12-25 2021-04-30 江西鼎力旋压装备有限公司 Automobile wheel hub anchor clamps with automated inspection function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114247912A (en) * 2021-11-22 2022-03-29 浙江万里扬智能制造有限公司 Automobile synchronizer gear sleeve clamp

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Application publication date: 20211102

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