CN113442011B - Equipment is got rid of to singlechip border burr - Google Patents
Equipment is got rid of to singlechip border burr Download PDFInfo
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- CN113442011B CN113442011B CN202110792866.0A CN202110792866A CN113442011B CN 113442011 B CN113442011 B CN 113442011B CN 202110792866 A CN202110792866 A CN 202110792866A CN 113442011 B CN113442011 B CN 113442011B
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- face
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- grinding wheel
- rod
- grinding
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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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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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
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/12—Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention provides a single-chip microcomputer edge burr removing device, which structurally comprises: the door comprises a door leaf, a machine body, a control panel and a bottom foot, wherein the lower end face of the door leaf is in sliding connection with the inner side of the machine body, the lower end face of the machine body is welded with the upper end face of the bottom foot, the rear end face of the control panel is in bolt connection with the right side of the front end of the machine body, when a single chip microcomputer is polished, a driver is started to drive a grinding wheel to rotate at a high speed, and as the grinding wheel is provided with a collecting device which is provided with a baffle plate, when fragments polished by the grinding wheel do centrifugal motion, the fragments can be stopped by the baffle plate, so that the fragments can fall off the surface of a fixed cavity, and meanwhile, the grinding wheel can drive a rotating disc to rotate in the fixed cavity while rotating, so that the fragments can be pushed into a through hole by a pushing device to enter the inner side of the fixed cavity to be collected, and in a rotating instant, as an inertia elastic ball bounces in an auxiliary rod, the extrusion block can be bounced.
Description
Technical Field
The invention relates to the field of processing equipment containing a single chip microcomputer, in particular to equipment for removing burrs on the edge of the single chip microcomputer.
Background
As is well known, a single chip microcomputer is an integrated circuit chip, high-speed processing of data is realized, and along with the progress of times and the development of science and technology, the single chip microcomputer is widely applied to various fields, burrs are formed at the edge of the single chip microcomputer in the machining process, so that the burrs at the edge of the single chip microcomputer are removed before the single chip microcomputer leaves a factory, but in the prior art, the single chip microcomputer edge burr removing equipment takes power as a motor to drive a grinding wheel to perform rotary motion so as to achieve the purpose of removing the burrs, and the outer contour of the single chip microcomputer is provided with pins, the distance between the pins is small, so that chips are generated when the grinding wheel polishes the edge of the single chip microcomputer, and the chips are accumulated between the pins under the impact of the grinding wheel, and the phenomenon that the single chip microcomputer cannot be normally used is caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide equipment for removing burrs on the edge of a single chip microcomputer, wherein pins are arranged on the outer contour of the single chip microcomputer, and the distance between the pins is small, so that chips are generated when a grinding wheel polishes the edge of the single chip microcomputer, and the chips are accumulated between the pins under the impact of the grinding wheel, and the single chip microcomputer cannot be normally used.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a singlechip border burr removes equipment which the structure includes: the lower end face of the door leaf is connected with the inner side of the machine body in a sliding mode, the lower end face of the machine body is welded with the upper end face of the footing, and the rear end face of the control panel is connected with the right side of the front end of the machine body through a bolt;
the fuselage includes support frame, drive case, grinding device, workstation, sliding connection is carried out with grinding device's rear end face to the preceding terminal surface of support frame, the up end of drive case is connected with the inboard of fuselage is embedded firmly, grinding device's upper end is embedded in the inboard of drive case, workstation and fuselage structure as an organic whole.
Preferably, the polishing device comprises a bearing, a driver, an adjusting rod and a movable cavity, an inner ring of the bearing is movably clamped with an outer ring of the adjusting rod, an inner ring of the driver is embedded with an outer ring of the movable cavity, the movable cavity penetrates through the adjusting rod, and the movable cavity is designed in a cylindrical shape.
Preferably, the movable cavity comprises a grinding wheel, a jacket, a central shaft, a connecting piece, a connecting rod and a collecting device, the inner ring of the grinding wheel is fixedly connected with the outer ring of the central shaft in an embedded mode, the central shaft penetrates through the jacket, the inner ring of the connecting piece is fixedly connected with the outer ring of the jacket in an embedded mode, the connecting rod is installed between the jacket and the collecting device, the outer ring of the collecting device is embedded into the inner ring of the central shaft, and the left end of the collecting device and the left end of the grinding wheel are located on the same horizontal line.
Preferably, the collecting device comprises a fixed cavity, a baffle, a through hole and a rotating device, the front end face of the fixed cavity is welded with the rear end face of the baffle, the through hole and the fixed cavity are of an integrated structure, the rear end face of the rotating device is movably clamped with the front end face of the fixed cavity, and the inner side of the fixed cavity is designed as a cavity.
Preferably, the rotating device comprises a drainage plate, a rotating disc, a connecting block and a scraper, the drainage plate and the connecting block are of an integrated structure, the inner side of the rotating disc is fixedly embedded and connected with one side of the scraper, the inner side of the connecting block is fixedly embedded and connected with one side of the rotating disc, and the rotating disc is in a cam-shaped design.
Preferably, the connecting block comprises a pushing device, a middle penetrating rod, an inner cavity and a support frame, the pushing device is installed on two sides of the middle penetrating rod, the middle penetrating rod penetrates through the support frame, the inner cavity and the support frame are of an integrated structure, and the pushing device is symmetrically distributed on two sides of the support frame.
Preferably, the pushing device comprises a block body, a pushing block and a connecting plate, the right end face of the block body is fixedly connected with the left end face of the connecting plate, the left end face of the pushing block is fixedly connected with the right end face of the connecting block in an embedded mode, and the block body is oval.
Preferably, the pushing block comprises extrusion blocks, elastic balls, auxiliary rods and arc-shaped rods, the extrusion blocks are movably mounted on two sides of the auxiliary rods, the outer rings of the elastic balls are movably clamped with the inner rings of the auxiliary rods, the convex surfaces of the arc-shaped rods are movably clamped with the lower left end surfaces of the extrusion blocks, and the elastic balls are uniformly distributed among the extrusion blocks.
Compared with the prior art, the invention has the following advantagesAdvantageous effects：
When the single chip microcomputer is polished, the grinding wheel is driven to rotate at a high speed by starting the driver, the collecting device is arranged below the grinding wheel and provided with the baffle, and when chips polished by the grinding wheel are centrifugally moved and can be blocked by the baffle, the chips can fall onto the surface of the fixed cavity, and meanwhile, the grinding wheel can drive the rotating disc to rotate in the fixed cavity while rotating, so that the chips can be pushed into the through hole by the pushing device and then enter the inner side of the fixed cavity to be collected, and at the moment of rotation, the extrusion block can be bounced due to the fact that the inertial elastic ball bounces in the auxiliary rod.
Drawings
Fig. 1 is a schematic structural diagram of a single-chip microcomputer edge burr removing device.
Fig. 2 is a front cross-sectional structural view of the fuselage of the present invention.
Fig. 3 is a schematic front view of the polishing device of the present invention.
Fig. 4 is a partial cross-sectional structural view of the active cavity of the present invention.
Fig. 5 is a schematic top view of the collecting device of the present invention.
Fig. 6 is a schematic structural diagram of the rotating device of the present invention.
Fig. 7 is a schematic structural view of the connecting block of the present invention.
FIG. 8 is a cross-sectional view of the pushing device of the present invention.
Fig. 9 is a schematic structural diagram of the pushing block of the present invention.
In the figure: the device comprises a door leaf-1, a machine body-2, a control panel-3, a bottom foot-4, a support frame-21, a driving box-22, a polishing device-23, a workbench-24, a bearing-a 1, a driver-a 2, an adjusting rod-a 3, a movable cavity-a 4, a grinding wheel-b 1, a jacket-b 2, a central shaft-b 3, a connecting piece-b 4, a connecting rod-b 5, a collecting device-b 6, a fixed cavity-c 1, a baffle-c 2, a through hole-c 3, a rotating device-c 4, a drainage plate-d 1, a rotating disc-d 2, a connecting block-d 3, a scraping plate-d 4, a pushing device-e 1, a middle through rod-e 2, an inner cavity-e 3, a support frame-e 4, a block-h 1, a pushing block-h 2, a connecting plate-h 3, an extruding block-j 1, an elastic ball-j 2, an auxiliary rod-j 3 and an arc-j 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in figures 1 to 8:
the invention provides a single-chip microcomputer edge burr removing device, which structurally comprises: the door comprises a door leaf 1, a machine body 2, a control panel 3 and a bottom foot 4, wherein the lower end face of the door leaf 1 is connected with the inner side of the machine body 2 in a sliding mode, the lower end face of the machine body 2 is welded with the upper end face of the bottom foot 4, and the rear end face of the control panel 3 is connected with the right side of the front end of the machine body 2 through a bolt.
Wherein, fuselage 2 includes support frame 21, drive case 22, grinding device 23, workstation 24, sliding connection is carried out with grinding device 23's rear end face to the preceding terminal surface of support frame 21, the up end of drive case 22 is connected with the inboard of fuselage 2 is embedded firmly, grinding device 23's upper end is embedded in the inboard of drive case 22, workstation 24 and fuselage 2 integrated into one piece structure.
Wherein, grinding device 23 includes bearing a1, driver a2, adjusts pole a3, activity chamber a4, the inner ring of bearing a1 carries out the activity block with the outer loop of adjusting pole a3, the inner ring of driver a2 inlays mutually with the outer loop in activity chamber a4, activity chamber a4 runs through and adjusts pole a3, activity chamber a4 is cylindric design, and then the side in activity chamber a4 is the arc form, can polish multiple shape work piece.
The movable cavity a4 comprises a grinding wheel b1, a jacket b2, a central shaft b3, a connecting piece b4, a connecting rod b5 and a collecting device b6, an inner ring of the grinding wheel b1 is fixedly connected with an outer ring of the central shaft b3 in an embedded mode, the central shaft b3 penetrates through the jacket b2, the inner ring of the connecting piece b4 is fixedly connected with the outer ring of the jacket b2 in an embedded mode, the connecting rod b5 is installed between the jacket b2 and the collecting device b6, the outer ring of the collecting device b6 is embedded into the inner ring of the central shaft b3, the left end of the collecting device b6 and the left end of the grinding wheel b1 are located on the same horizontal line, and the phenomenon that the grinding wheel b1 cannot polish the edge of the single chip microcomputer due to the fact that the collecting device b6 is too large or scraps cannot enter the inner side of the collecting device b6 due to the fact that the collecting device b6 falls down is avoided.
Wherein, collection device b6 is including fixed chamber c1, baffle c2, through-hole c3, rotating device c4, the preceding terminal surface of fixed chamber c1 welds mutually with the rear end face of baffle c2, through-hole c3 and fixed chamber c1 structure as an organic whole, rotating device c 4's rear end face carries out the activity block with the preceding terminal surface of fixed chamber c1, fixed chamber c1 inboard is the cavity design, and then the piece can be collected through the inboard of through-hole c3 entering fixed chamber c 1.
Wherein, rotating device c4 includes drainage plate d1, rolling disc d2, connecting block d3, scraper blade d4, drainage plate d1 and connecting block d3 structure as an organic whole, rolling disc d 2's inboard is inlayed fixedly with one side of scraper blade d4 and is connected, connecting block d 3's inboard is inlayed fixedly with one side of rolling disc d2 and is connected, rolling disc d2 is the cam design, then can promote the piece of fixed chamber c1 both sides.
The connecting block d3 comprises a pushing device e1, a middle penetrating rod e2, an inner cavity e3 and a supporting frame e4, the pushing device e1 is installed on two sides of the middle penetrating rod e2, the middle penetrating rod e2 penetrates through the supporting frame e4, the inner cavity e3 and the supporting frame e4 are of an integrated structure, the pushing device e1 is symmetrically distributed on two sides of the supporting frame e4, and therefore the pushing device e1 can push the chips no matter the central shaft b3 rotates anticlockwise or clockwise.
Wherein, thrust unit e1 includes block h1, promotes piece h2, links up fishplate bar h3, the right-hand member face of block h1 carries out fixed connection with the left end face that links up fishplate bar h3, the left end face that promotes piece h2 and the right-hand member face that links up fishplate bar h3 carry out the built-in connection, block h1 wholly is oval, then avoids the piece to drop to the preceding terminal surface of block h 1.
The specific use mode and function of the embodiment are as follows:
the invention puts the single chip microcomputer in the workbench 24, closes the door leaf 1 to prevent the scraps from flying outwards, then starts the control panel 3 to drive the driver a2 to rotate, because the grinding wheel b1 is fixedly connected with the central shaft b3, the central shaft b3 drives the grinding wheel b1 to rotate at high speed under the action of the driver a2, thereby grinding the single chip microcomputer, because the collecting device b6 is arranged below the grinding wheel b1 and the baffle c2 which is larger than the collecting device b6 is arranged, the scraps ground by the grinding wheel b1 carry out centrifugal motion in the grinding process, thereby impacting the baffle c2, so the scraps can be blocked by the baffle c2, thereby the piece will drop the surface of fixed chamber c1, simultaneously because rotating device c4 is connected with center pin b3 inlays admittedly, consequently center pin b3 will drive rolling disc d2 and drive connecting block d3 and rotate on fixed chamber c1 surface when grinding wheel b1 rotates, and rolling disc d2 is the cam form design, then promote piece h2 that promotes among the thrust unit e1 will be able to promote the piece that drops of fixed chamber c1 both sides, consequently the piece that drops can promote to the through-hole c3 in through promoting piece h2, thereby collect and avoid the piece to pile up between the pin, so that the phenomenon that the singlechip can't carry out normal use, and block h1 wholly is oval, then avoid the piece to drop to the preceding terminal surface of block h 1.
Example 2
As shown in fig. 9:
the invention provides a single-chip microcomputer edge burr removing device, wherein a pushing block h2 comprises an extrusion block j1, elastic balls j2, an auxiliary rod j3 and an arc-shaped rod j4, the extrusion block j1 is movably arranged on two sides of the auxiliary rod j3, an outer ring of each elastic ball j2 is movably clamped with an inner ring of the auxiliary rod j3, a convex surface of the arc-shaped rod j4 is movably clamped with the left lower end surface of the extrusion block j1, the elastic balls j2 are uniformly distributed among the extrusion blocks j1, the extrusion block j1 can be bounced, and the phenomenon that chips are adhered to the surface of the extrusion block j1 by static electricity is avoided.
The specific use mode and function of the embodiment are as follows:
according to the invention, as the outer wrapping object of the single chip microcomputer is made of plastic, the generated scraps are made of plastic, so that at the moment when the rotating disc d2 rotates, due to the action of inertia, the elastic ball j2 is impacted, and then the auxiliary rod j3 is driven to swing back and forth, and as the elastic ball j2 has elasticity and the auxiliary rod j3 is movably arranged on the two sides of the extrusion block j1, the auxiliary rod j3 shakes the extrusion block j1 while the extrusion block j1 pushes the scraps, so that the phenomenon that the scraps made of plastic are pushed by the extrusion block j1 to generate static electricity and are adhered to the surface of the extrusion block j1 can be avoided.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (1)
1. The utility model provides a singlechip border burr removes equipment which the structure includes: door leaf (1), fuselage (2), control panel (3), footing (4), sliding connection is carried out with the inboard of fuselage (2) to the lower terminal surface of door leaf (1), the up end of the lower terminal surface of fuselage (2) and footing (4) welds mutually, bolted connection is carried out on the rear end face of control panel (3) and the front end right side of fuselage (2), its characterized in that: the grinding machine is characterized in that the machine body (2) comprises a support frame (21), a driving box (22), a grinding device (23) and a workbench (24), the front end face of the support frame (21) is in sliding connection with the rear end face of the grinding device (23), the upper end face of the driving box (22) is in embedded connection with the inner side of the machine body (2), the upper end of the grinding device (23) is embedded in the inner side of the driving box (22), the workbench (24) and the machine body (2) are of an integrated structure, the grinding device (23) comprises a bearing (a 1), a driver (a 2), an adjusting rod (a 3) and a movable cavity (a 4), the inner ring of the bearing (a 1) is movably clamped with the outer ring of the adjusting rod (a 3), the inner ring of the driver (a 2) is embedded in the outer ring of the movable cavity (a 4), the movable cavity (a 4) penetrates through the adjusting rod (a 3), the movable cavity (a 4) comprises a grinding wheel sheet (b 1), a jacket (b 2), a central shaft (b 3), a connecting sheet (b) is connected with the inner ring (b) and a connecting sheet (b) is connected with the grinding wheel (b) and a grinding wheel (b) is connected with the inner ring (b) through the clamping sleeve (3), the connecting rod (b 5) is arranged between the jacket (b 2) and the collecting device (b 6), the outer ring of the collecting device (b 6) is embedded into the inner ring of the central shaft (b 3), the collecting device (b 6) comprises a fixed cavity (c 1), a baffle (c 2), a through hole (c 3) and a rotating device (c 4), the front end face of the fixed cavity (c 1) is welded with the rear end face of the baffle (c 2), the through hole (c 3) and the fixed cavity (c 1) are of an integrated structure, the rear end face of the rotating device (c 4) is movably clamped with the front end face of the fixed cavity (c 1), the rotating device (c 4) comprises a drainage plate (d 1), a rotating disc (d 2), a connecting block (d 3) and a scraper (d 4), the drainage plate (d 1) and the connecting block (d 3) are of an integrated structure, the inner side of the rotating disc (d 2) is fixedly connected with one side of the scraper (d 4), the inner side of the connecting block (d 3) is fixedly connected with one side of the rotating disc (d 2), the connecting block (e) and the supporting frame (e) comprises a pushing rod (e) penetrating rod (e 2) and a supporting frame (e 2) and a pushing rod (e) penetrating through the supporting frame (e 2), the inner cavity (e 2), the supporting frame (e 2) and the supporting frame (e 2), the pushing device (e 1) comprises a block body (h 1), a pushing block (h 2) and a connecting plate (h 3), the right end face of the block body (h 1) is fixedly connected with the left end face of the connecting plate (h 3), the left end face of the pushing block (h 2) is fixedly connected with the right end face of the connecting plate (h 3), the pushing block (h 2) comprises a squeezing block (j 1), an elastic ball (j 2), an auxiliary rod (j 3) and an arc-shaped rod (j 4), the squeezing block (j 1) is movably installed on two sides of the auxiliary rod (j 3), an outer ring of the elastic ball (j 2) is movably clamped with an inner ring of the auxiliary rod (j 3), and a convex surface of the arc-shaped rod (j 4) is movably clamped with the left lower end face of the squeezing block (j 1); by placing the single chip microcomputer in the workbench (24), closing the door leaf (1) to avoid the fragments from flying outwards, then starting the control panel (3) to drive the driver (a 2) to rotate, because the grinding wheel (b 1) is fixedly embedded with the central shaft (b 3), the central shaft (b 3) drives the grinding wheel (b 1) to rotate at high speed under the action of the driver (a 2), thereby grinding the single chip microcomputer, because the collecting device (b 6) is arranged below the grinding wheel (b 1) and the baffle (c 2) which is larger than the collecting device (b 6) is arranged, the fragments ground by the grinding wheel (b 1) can move centrifugally in the grinding process, thereby impacting the baffle (c 2), so that the chips can be blocked by the baffle (c 2), and the chips can fall off the surface of the fixed cavity (c 1), meanwhile, because the rotating device (c 4) is fixedly connected with the central shaft (b 3) in an embedding manner, when the grinding wheel (b 1) rotates, the central shaft (b 3) can drive the rotating disc (d 2) to drive the connecting block (d 3) to rotate on the surface of the fixed cavity (c 1), and the rotating disc (d 2) is in a cam-shaped design, the pushing blocks (h 2) in the pushing device (e 1) can push the fallen chips on two sides of the fixed cavity (c 1), so that the fallen chips can be pushed into the through holes (c 3) by the pushing blocks (h 2), at the moment of rotation of the rotating disc (d 2), due to the action of inertia, the elastic ball (j 2) is impacted and then drives the auxiliary rod (j 3) to swing back and forth, and due to the fact that the elastic ball (j 2) has elasticity and the auxiliary rod (j 3) is movably installed on the two sides of the extrusion block (j 1), the auxiliary rod (j 3) shakes the extrusion block (j 1) while the extrusion block (j 1) pushes scraps.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110792866.0A CN113442011B (en) | 2021-07-13 | 2021-07-13 | Equipment is got rid of to singlechip border burr |
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| CN202110792866.0A CN113442011B (en) | 2021-07-13 | 2021-07-13 | Equipment is got rid of to singlechip border burr |
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| CN113442011B true CN113442011B (en) | 2023-01-06 |
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| CN115056143A (en) * | 2022-08-16 | 2022-09-16 | 扬州金信益电动工具有限公司 | Electric grinding device with automatic chip collecting function |
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| CN112872988A (en) * | 2021-01-11 | 2021-06-01 | 操盛继 | Singlechip attenuate processing equipment |
| CN112923501A (en) * | 2021-03-22 | 2021-06-08 | 广州嘉利华信息科技有限公司 | Sterile dust-free workshop air sterilization equipment |
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| CN111215959A (en) * | 2020-02-14 | 2020-06-02 | 商帅 | Numerical control metal cutting machine tool based on cutting fluid recycle |
| CN112223051A (en) * | 2020-10-05 | 2021-01-15 | 庄燕玲 | Numerical control machining center |
| CN112873022A (en) * | 2021-01-29 | 2021-06-01 | 上海曰茶贸易有限公司 | Spanner polishing equipment for five metals |
| CN112846809A (en) * | 2021-04-07 | 2021-05-28 | 福民(广州)网络科技有限公司 | Punching equipment for solar vacuum tube connecting frame |
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Effective date of registration: 20221214 Address after: Room 431, Xinlian technology and Trade Center, 822 Yishan Road, Caohejing emerging technology development zone, Xuhui District, Shanghai 200030 Applicant after: Xinlin Weizhi Electronics (Shanghai) Co.,Ltd. Address before: 518000 1308, building C, Dongmen Tiandi building, Dongmen Middle Road, Luohu, Shenzhen, Guangdong Applicant before: Chen Yun |
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