CN112192391A - Drilling and polishing mechanism for fresh air system shell assembly - Google Patents
Drilling and polishing mechanism for fresh air system shell assembly Download PDFInfo
- Publication number
- CN112192391A CN112192391A CN202011066217.4A CN202011066217A CN112192391A CN 112192391 A CN112192391 A CN 112192391A CN 202011066217 A CN202011066217 A CN 202011066217A CN 112192391 A CN112192391 A CN 112192391A
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- CN
- China
- Prior art keywords
- drilling
- fresh air
- polishing
- air system
- mounting
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/002—Machines or devices using grinding or polishing belts; Accessories therefor for grinding edges or bevels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
Abstract
The invention relates to a drilling and polishing mechanism of a fresh air system shell assembly. Fresh air system housing assembly's drilling grinding machanism includes the mounting bracket, the locating rack, transfer module and drilling grinding assembly, the mounting bracket epirelief is equipped with two slide rails, the locating rack is fixed in the top one end of mounting bracket, transfer assembly includes the drive roller, driven roller, driving belt and rotating electrical machines, the drive roller is installed in the relative both ends of mounting bracket with driven roller respectively with rotating, the drive roller is located to the drive belt cover on with driven roller, the rotating electrical machines is installed in one side of mounting bracket and is connected with the drive roller, drilling grinding assembly includes carriage and the structure of polishing of drilling. The drilling and polishing mechanism of the fresh air system shell assembly is convenient for removing the flash of the fresh air system shell assembly and is convenient for forming the through hole.
Description
Technical Field
The invention relates to a drilling and polishing mechanism of a fresh air system shell assembly.
Background
The fresh air system is a set of independent air processing system consisting of an air supply system and an air exhaust system and is divided into a pipeline type fresh air system and a pipeline-free fresh air system. The pipeline type fresh air system consists of a fresh air fan and pipeline accessories, outdoor air is purified by the fresh air fan and is led into a room, and indoor air is discharged through a pipeline; the ductless fresh air system is composed of a fresh air fan, and the fresh air fan is used for purifying outdoor air and guiding the outdoor air into a room. The casing subassembly of new fan is made by the panel beating, and its periphery produces the overlap easily, cuts the workman easily in process of production, secondly need set up a plurality of perforation on the casing subassembly to do benefit to follow-up equipment.
Disclosure of Invention
In view of the above, there is a need for a drilling and polishing mechanism for a fresh air system housing assembly that facilitates flash removal and perforation.
A drilling and polishing mechanism of a fresh air system shell assembly comprises a mounting frame, a positioning frame, a conveying assembly and a drilling and polishing assembly, wherein two slide rails are convexly arranged on the mounting frame, the positioning frame is fixed at one end of the top of the mounting frame, the conveying assembly comprises a driving roller, a driven roller, a transmission belt and a rotating motor, the driving roller and the driven roller are respectively rotatably arranged at two opposite ends of the mounting frame, the transmission belt is sleeved on the driving roller and the driven roller, the rotating motor is arranged at one side of the mounting frame and connected with the driving roller, the drilling and polishing assembly comprises a sliding frame and a drilling and polishing structure, the sliding frame comprises a sliding cross beam, a vertical plate and a mounting plate, sliding sleeves are respectively arranged at two opposite ends of the sliding cross beam, the two sliding sleeves are respectively and slidably sleeved on the two slide rails, a, the bottom mounting plate is fixed on the transmission belt, and the vertical plate is convexly arranged on the sliding cross beam, and the mounting plate is vertically arranged at the top of the vertical plate, and the drilling and polishing structure is mounted on the mounting plate.
In one embodiment, the positioning frame comprises a bottom plate, two side plates and a baffle plate, the bottom plate is fixed at the end parts of the two sliding rails and fixed on the mounting frame, the two side plates are respectively installed at two opposite sides of the bottom plate, and the baffle plate is installed at the end part of the mounting frame.
In one embodiment, each side plate is provided with a flexible metal sheet, the flexible metal sheets are obliquely arranged relative to the side plates, and the distance between the two flexible metal sheets is gradually increased along the vertical upward direction.
In one embodiment, the baffle is located the one side that the carriage was kept away from to the locating rack, and the locating rack is used for accomodating and fixing a new trend system housing assembly, and new trend system housing assembly is rectangle box shell form.
In one embodiment, the opposite ends of the mounting frame are provided with mounting assemblies protruding downwards, each mounting assembly comprises two fixing plates, the two fixing plates are respectively located at the opposite sides of the mounting frame, and the driving roller and the driven roller are respectively rotatably mounted on the two mounting assemblies.
In one embodiment, two opposite ends of the driving roller are respectively and rotatably mounted on the two fixed plates of one of the mounting assemblies, two opposite ends of the driven roller are respectively and rotatably mounted on the two fixed plates of the other mounting assembly, and the outer diameter of the driving roller is smaller than that of the driven roller.
In one embodiment, the driving belt has a ring shape, and a distance between an upper surface of the driving belt and the slide rail is gradually increased in a direction toward the driven roller.
In one embodiment, a positioning groove is formed on one side of the bottom plate far away from the baffle plate, and a positioning lug is convexly arranged on one side of the middle part of the sliding cross beam and is used for being inserted into the positioning groove to position the sliding frame.
In one embodiment, the mounting plate is convexly provided with two mounting columns, the two mounting columns are parallel to each other, the drilling and polishing structure comprises four drilling main shafts and a polishing belt, two opposite ends of each mounting column are respectively provided with a driving motor, and the four drilling main shafts are respectively and coaxially fixed on output shafts of the four driving motors.
In one embodiment, the polishing belt is an annular belt, a stop disc is fixed at the lower part of each drilling spindle, four stop discs are stopped at the upper end of the polishing belt, a friction wheel is further arranged on the bottom surface of each stop disc in a protruding mode, the diameter of the friction wheel is smaller than that of the stop disc, a friction surface is formed on the peripheral surface of the friction wheel, the polishing belt is sleeved on the four friction wheels, and a polishing surface is formed on the inner side surface of the polishing belt.
When the drilling and polishing mechanism of the fresh air system shell assembly is used, the fresh air system shell assembly is positioned on the positioning frame, then the rotating motor drives the transmission belt to rotate, so that the sliding frame is driven to slide to the side edge of the positioning frame to enable the mounting plate to be aligned to the fresh air system shell assembly, and then the drilling and polishing assembly is utilized to polish the side edge of the top surface of the fresh air system shell assembly and perform drilling operation on four corner parts of the top surface of the fresh air system shell assembly. Through setting up the drilling subassembly of polishing to be convenient for remove the overlap of new trend system housing assembly top surface, avoid cutting the workman, can form the perforation comparatively conveniently moreover, in order to make things convenient for subsequent equipment.
Drawings
Fig. 1 is a side view of a drilling and sanding mechanism of a fresh air system housing assembly of an embodiment.
Fig. 2 is a perspective view of another perspective view of the drilling and polishing mechanism of the fresh air system housing assembly according to an embodiment.
Fig. 3 is a perspective view of another perspective view of the drilling and grinding mechanism of the fresh air system housing assembly shown in fig. 2.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
Detailed Description
Referring to fig. 1 to 4, a drilling and polishing mechanism for a housing assembly of a fresh air system includes an installation frame 10, a positioning frame 20, a transmission assembly 30 and a drilling and polishing assembly, wherein two slide rails 11 are convexly disposed on the installation frame 10, the positioning frame 20 is fixed at one end of the top of the installation frame 10, the transmission assembly 30 includes a driving roller 31, a driven roller 32, a transmission belt 33 and a rotating motor 34, the driving roller 31 and the driven roller 32 are respectively rotatably installed at opposite ends of the installation frame 10, the transmission belt 33 is sleeved on the driving roller 31 and the driven roller 32, the rotating motor 34 is installed at one side of the installation frame 10 and connected with the driving roller 31, the drilling and polishing assembly includes a sliding frame 40 and a drilling and polishing structure 50, the sliding frame 40 includes a sliding beam 41, a vertical plate 43 and an installation plate 45, two opposite ends of the sliding beam 41 are respectively provided with sliding sleeves 415, the two sliding sleeves 415 are respectively, the bottom of sliding beam 41 is provided with layer board 418, and layer board 418 is located between two slide rails 11, and on the bottom mounting of layer board 418 was in driving belt 33, erected board 43 was protruding to be located sliding beam 41, and mounting panel 45 set up perpendicularly in the top of erected board 43, and drilling structure 50 of polishing installs on mounting panel 45.
Fresh air system housing assembly's drilling grinding machanism is when using, with fresh air system housing assembly location on locating rack 20, then rotating electrical machines 34 drive driving belt 33 rotatory to order about carriage 40 and slide to the side of locating rack 20 so that mounting panel 45 aims at fresh air system housing assembly directly over, utilize drilling grinding machanism to polish fresh air system housing assembly's top surface side and carry out the drilling operation to four bight departments of fresh air system housing assembly's top surface afterwards. Through setting up the drilling subassembly of polishing to be convenient for remove the overlap of new trend system housing assembly top surface, avoid cutting the workman, can form the perforation comparatively conveniently moreover, in order to make things convenient for subsequent equipment.
For example, in order to guide and position the fresh air system housing assembly, the positioning frame 20 includes a bottom plate 21, two side plates 22 and a baffle plate 23, the bottom plate 21 is fixed to the ends of the two slide rails 11 and fixed to the mounting frame 10, the two side plates 22 are respectively installed on two opposite sides of the bottom plate 21, and the baffle plate 23 is installed on the end of the mounting frame 10. Each side plate 22 is provided with a flexible metal sheet 225, the flexible metal sheet 225 is obliquely arranged relative to the side plate 22, and the distance between the two flexible metal sheets 225 gradually increases along the vertical upward direction. Baffle 23 is in the one side that carriage 40 was kept away from to locating rack 20, and locating rack 20 is used for accomodating and fixes a position new trend system housing assembly, and new trend system housing assembly is rectangle box shell form. The opposite ends of the mounting frame 10 are provided with mounting assemblies 18 protruding downwards, each mounting assembly 18 comprises two fixing plates, the two fixing plates are respectively located at the opposite sides of the mounting frame 10, and the driving roller 31 and the driven roller 32 are respectively rotatably mounted on the two mounting assemblies 18. Opposite ends of the driving roller 31 are rotatably mounted on two fixing plates of one of the mounting assemblies 18, respectively, and opposite ends of the driven roller 32 are rotatably mounted on two fixing plates of the other mounting assembly 18, respectively. Through setting up two flexible sheetmetals 225 to when being convenient for fresh air system housing assembly to place downwards on locating rack 20, can warp the guide fresh air system housing assembly and get into between two curb plates 22, and baffle 23 is then convenient for stop fresh air system housing assembly, finally improves fresh air system housing assembly's location effect.
For example, to facilitate the movement of the carriage 40 to the positioning frame 20 for positioning, the outer diameter of the driving roller 31 is smaller than that of the driven roller 32. The driving belt 33 has a ring shape, and a distance between the upper surface of the driving belt 33 and the slide rail 11 is gradually increased in a direction toward the driven roller 32. A positioning groove (not shown) is formed on one side of the bottom plate 21 away from the baffle plate 23, and a positioning lug (not shown) is convexly arranged on one side of the middle part of the sliding beam 41 and is used for being inserted into the positioning groove to position the sliding frame 40. When the sliding frame 40 is driven to the positioning frame 20 by the transmission belt 33, the positioning lug on the sliding beam 41 is inserted into the positioning groove of the bottom plate 21, so that the positioning is completed, and at this time, the supporting plate 418 is pulled downwards by the transmission belt 33, so that the positioning can be tightly and downwards positioned on the two sliding rails 11, the friction force is very large, and the sliding cannot continue to move forwards, so that the positioning accuracy is further improved.
For example, in order to facilitate the drilling and polishing operation, two mounting columns 451 are protruded from the mounting plate 45, the two mounting columns 451 are parallel to each other, the drilling and polishing structure 50 includes four drilling spindles 53 and a polishing belt 55, a driving motor 51 is respectively mounted at two opposite ends of each mounting column 451, and the four drilling spindles 53 are respectively coaxially fixed on output shafts of the four driving motors 51. The polishing belt 55 is an annular belt, a stop disc 531 is fixed at the lower part of each drilling spindle 53, four stop discs 531 are stopped at the upper end of the polishing belt 55, a friction wheel 533 is further arranged on the bottom surface of each stop disc 531 in a protruding mode, the diameter of each friction wheel 533 is smaller than that of each stop disc 531, a friction surface is formed on the peripheral surface of each friction wheel 533, the polishing belt 55 is sleeved on the four friction wheels 533, and a polishing surface is formed on the inner side surface of the polishing belt 55.
For example, it is particularly important that, in order to further enhance the grinding effect, a drilling tool is mounted at the bottom end of each drilling spindle 53, the outer diameter of the drilling tool is smaller than that of the friction wheel 533, and the distance between the bottom surface of the drilling tool and the bottom surface of the stopper disc 531 is smaller than the width of the grinding belt 55, i.e., the bottom of the grinding belt 55 protrudes below the drilling tool. The lower edge of the sanding belt 55 is downwardly convex with a lead-in strip (not shown) that extends obliquely outward, i.e., the lead-in strip has an inside dimension that is larger than the inside dimension of the sanding belt 55. For example, a plurality of vertical metal rods (not shown) are embedded in the upper outer side of the polishing belt 55, and are spaced apart from and parallel to each other, and the top ends of the vertical metal rods are slidably abutted against the bottom surface of the stop disk 531.
When drilling and polishing are performed, the four driving motors 51 are used for synchronously rotating to drive the four drilling main shafts 53 to rotate and move downwards at the same time, so that four drilling tools are used for performing drilling operation on four corners of the top surface of the fresh air system shell assembly, the four stop discs 531 are used for driving the polishing belt 55 to move downwards to be sleeved on the peripheral surface of the fresh air system shell assembly, the four friction wheels 533 are used for driving the polishing belt 55 to rotate, and further the polishing surface of the polishing belt 55 is used for polishing the periphery of the top surface of the fresh air system shell assembly and the peripheral wall of the fresh air system shell assembly until the bottom surface of the friction wheels 533 abuts against the top surface of the fresh air system shell assembly. Thereafter, the four driving motors 51 are rotated in reverse directions, so that the four drilling tools move upward while rotating, and the polishing belt 55 is rotated in the direction and moves upward, thereby being separated from the fresh air system housing assembly. Through setting up drilling structure 50 of polishing to realized the synchronous of drilling and polishing going on, greatly improved efficiency of polishing and drilling efficiency, conveniently remove the peripheral overlap of top surface of new system housing assembly and form the perforation in the top surface. And the friction wheel 533 can drive the polishing belt 55 to rotate, and can be abutted against the top surface of the fresh air system shell component to complete abutting positioning, so that the user can know that the drilling is in place, and the two purposes are achieved at one stroke. In addition, the hardness of the polishing belt 55 in the vertical direction can be enhanced due to the arrangement of the vertical metal rods, the polishing belt 55 is prevented from turning outwards due to stress in the downward moving process, the bearing capacity of the downward moving process of the polishing belt 55 is improved, the arrangement of the lead-in belt is convenient for guiding the polishing belt 55 to be sleeved on the peripheral surface of the fresh air system shell assembly, the lower side of the polishing belt 55 is sleeved on the peripheral surface of the fresh air system shell assembly during polishing, and the upper side of the polishing belt is located above the fresh air system shell assembly. For example, a corner of the peripheral wall of the fresh air system housing assembly is formed with a rounded corner, and the corner where the friction wheel 533 is sleeved with the grinding belt 55 is matched.
Claims (10)
1. A drilling and polishing mechanism of a fresh air system shell component is characterized by comprising a mounting frame, a positioning frame, a conveying component and a drilling and polishing component, wherein two slide rails are arranged on the mounting frame in a protruding mode, the positioning frame is fixed at one end of the top of the mounting frame, the conveying component comprises a driving roller, a driven roller, a transmission belt and a rotating motor, the driving roller and the driven roller are respectively and rotatably mounted at two opposite ends of the mounting frame, the transmission belt is sleeved on the driving roller and the driven roller, the rotating motor is mounted at one side of the mounting frame and connected with the driving roller, the drilling and polishing component comprises a sliding frame and a drilling and polishing structure, the sliding frame comprises a sliding cross beam, a vertical plate and a mounting plate, two sliding sleeves are respectively arranged at two opposite ends of the sliding cross beam and are respectively and slidably sleeved on the two slide rails, a, the bottom mounting plate is fixed on the transmission belt, and the vertical plate is convexly arranged on the sliding cross beam, and the mounting plate is vertically arranged at the top of the vertical plate, and the drilling and polishing structure is mounted on the mounting plate.
2. The fresh air system housing assembly drilling and polishing mechanism as claimed in claim 1, wherein the positioning frame comprises a bottom plate, two side plates and a baffle plate, the bottom plate is fixed at the end portions of the two slide rails and fixed on the mounting frame, the two side plates are respectively mounted at two opposite sides of the bottom plate, and the baffle plate is mounted at the end portion of the mounting frame.
3. The drilling and polishing mechanism of the fresh air system housing assembly as recited in claim 2, wherein each side plate is provided with a flexible metal sheet, the flexible metal sheet is obliquely arranged relative to the side plate, and the distance between the two flexible metal sheets gradually increases along a vertical upward direction.
4. The fresh air system housing assembly drilling and polishing mechanism as claimed in claim 3, wherein the baffle is located on a side of the positioning frame away from the sliding frame, the positioning frame is used for accommodating and positioning the fresh air system housing assembly, and the fresh air system housing assembly is in a rectangular box shape.
5. The fresh air system housing assembly drilling and polishing mechanism as claimed in claim 4, wherein the mounting frame is provided with mounting assemblies protruding downwards at opposite ends thereof, each mounting assembly comprises two fixing plates respectively located at opposite sides of the mounting frame, and the driving roller and the driven roller are respectively rotatably mounted on the two mounting assemblies.
6. The fresh air system housing assembly drilling and polishing mechanism as claimed in claim 5, wherein the driving roller is rotatably mounted at opposite ends thereof to the two fixing plates of one of the mounting assemblies, the driven roller is rotatably mounted at opposite ends thereof to the two fixing plates of the other mounting assembly, and an outer diameter of the driving roller is smaller than an outer diameter of the driven roller.
7. The fresh air system housing assembly drill hole grinding mechanism as claimed in claim 6, wherein the drive belt is in the shape of a ring, and the distance between the upper surface of the drive belt and the slide rail is gradually increased along the direction toward the driven roller.
8. The fresh air system housing assembly drilling and polishing mechanism as claimed in claim 7, wherein a positioning groove is formed on a side of the bottom plate away from the baffle plate, and a positioning lug is protruded from a side of a middle portion of the sliding beam and is used for being inserted into the positioning groove to position the sliding frame.
9. The drilling and polishing mechanism of the fresh air system housing assembly as claimed in claim 8, wherein the mounting plate is provided with two mounting posts protruding therefrom, the two mounting posts are parallel to each other, the drilling and polishing mechanism comprises four drilling spindles and a polishing belt, a driving motor is respectively mounted at two opposite ends of each mounting post, and the four drilling spindles are coaxially fixed to output shafts of the four driving motors respectively.
10. The fresh air system housing assembly drilling and polishing mechanism as claimed in claim 9, wherein the polishing belt is an annular belt, a stop disc is fixed on the lower portion of each drilling spindle, four stop discs are stopped at the upper end of the polishing belt, a friction wheel is further protruded on the bottom surface of each stop disc, the diameter of the friction wheel is smaller than that of the stop disc, a friction surface is formed on the circumferential surface of the friction wheel, the polishing belt is sleeved on the four friction wheels, and a polishing surface is formed on the inner side surface of the polishing belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011066217.4A CN112192391B (en) | 2020-09-30 | 2020-09-30 | Drilling and polishing mechanism for fresh air system shell assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011066217.4A CN112192391B (en) | 2020-09-30 | 2020-09-30 | Drilling and polishing mechanism for fresh air system shell assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112192391A true CN112192391A (en) | 2021-01-08 |
| CN112192391B CN112192391B (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011066217.4A Active CN112192391B (en) | 2020-09-30 | 2020-09-30 | Drilling and polishing mechanism for fresh air system shell assembly |
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| Country | Link |
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| CN (1) | CN112192391B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1885593A (en) * | 2005-06-22 | 2006-12-27 | Smk株式会社 | Button type battery clamp |
| JP2007168048A (en) * | 2005-12-26 | 2007-07-05 | Nachi Fujikoshi Corp | Working method of taper surface of part for continuously variable transmission |
| KR20170099767A (en) * | 2016-02-24 | 2017-09-01 | 제네럴 일렉트릭 컴퍼니 | Systems and methods for honing a shaft |
| CN109773632A (en) * | 2019-04-01 | 2019-05-21 | 无锡锡钻地质装备有限公司 | A kind of geological prospecting drilling rod process equipment |
| CN209021769U (en) * | 2018-09-21 | 2019-06-25 | 平湖市华润机械制造有限公司 | A kind of porous while precise machining device |
| CN111618674A (en) * | 2020-06-09 | 2020-09-04 | 青岛联合智造科技有限公司 | Grinding mechanism of automatic pipeline machining machine tool |
-
2020
- 2020-09-30 CN CN202011066217.4A patent/CN112192391B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1885593A (en) * | 2005-06-22 | 2006-12-27 | Smk株式会社 | Button type battery clamp |
| JP2007168048A (en) * | 2005-12-26 | 2007-07-05 | Nachi Fujikoshi Corp | Working method of taper surface of part for continuously variable transmission |
| KR20170099767A (en) * | 2016-02-24 | 2017-09-01 | 제네럴 일렉트릭 컴퍼니 | Systems and methods for honing a shaft |
| CN209021769U (en) * | 2018-09-21 | 2019-06-25 | 平湖市华润机械制造有限公司 | A kind of porous while precise machining device |
| CN109773632A (en) * | 2019-04-01 | 2019-05-21 | 无锡锡钻地质装备有限公司 | A kind of geological prospecting drilling rod process equipment |
| CN111618674A (en) * | 2020-06-09 | 2020-09-04 | 青岛联合智造科技有限公司 | Grinding mechanism of automatic pipeline machining machine tool |
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| CN112192391B (en) | 2021-06-25 |
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