CN115284127B - Grinding device is used in fastener processing - Google Patents

Grinding device is used in fastener processing Download PDF

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Publication number
CN115284127B
CN115284127B CN202210899646.2A CN202210899646A CN115284127B CN 115284127 B CN115284127 B CN 115284127B CN 202210899646 A CN202210899646 A CN 202210899646A CN 115284127 B CN115284127 B CN 115284127B
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CN
China
Prior art keywords
pipe
annular
movable
side wall
sealing block
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Active
Application number
CN202210899646.2A
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Chinese (zh)
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CN115284127A (en
Inventor
吴连清
俞伯成
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Jiangsu Jinrui Metal Products Co ltd
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Jiangsu Jinrui Metal Products Co ltd
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Priority to CN202210899646.2A priority Critical patent/CN115284127B/en
Publication of CN115284127A publication Critical patent/CN115284127A/en
Application granted granted Critical
Publication of CN115284127B publication Critical patent/CN115284127B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00Safety 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
    • B24B55/04Protective covers for the grinding wheel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00Safety 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
    • B24B55/06Dust extraction equipment on grinding or polishing machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00Safety 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
    • B24B55/12Devices 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)

Abstract

The invention discloses a polishing device for fastener processing, which relates to the technical field of polishing devices and comprises a processing table, a waste collection box, a machine base, a sander and a clamping table fixedly arranged on the upper end surface of the processing table and positioned under the sander, wherein a pressing plate is rotationally connected to the surface of a rotating rod of the sander, an annular groove is formed in the upper end surface of the processing table, a protection component for protecting the clamping table is slidingly arranged in the annular groove, and a spraying dust-falling component for lifting and dedusting the protection component is further arranged on the side wall of the machine base. According to the invention, through the arranged protection component and the spraying dust fall component matched with the protection component, when the sander descends in sanding operation, the protection cover automatically rises, the generated scraps are blocked by the matched pressing plate, the scraps are prevented from splashing, and the scraps are cleaned and collected through the spraying holes in sanding, so that the scraps are prevented from being accumulated on a workbench surface, and the sanding efficiency and the safety performance are improved.

Description

Grinding device is used in fastener processing
Technical Field
The invention relates to the technical field of polishing devices, in particular to a polishing device for fastener machining.
Background
Fasteners are also known in the market as standard components and are a generic term for a type of mechanical component used when two or more parts are fastened together as a single piece. It features various kinds and specifications, different performance and usage, and high standardization, serialization and universalization degree. Fasteners are the most widely used mechanical foundation and are in great demand.
At present, although the device for polishing the fastener can realize automatic clamping and polishing, scraps generated during polishing can splash, harm is caused to the field environment and operators, and scraps generated after polishing are accumulated on a workbench surface to influence subsequent polishing operation.
Disclosure of Invention
The invention aims at: in order to solve the above problems, a polishing device for fastener processing is proposed.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a fastener processing is with grinding device, includes processing platform, setting up the sweeps collecting box in processing platform below, fixed mounting in the frame of processing platform upper end, the sander of setting on the frame and the clamping table of fixed setting in processing platform up end under the sander, sander bull stick surface rotation is connected with the clamp plate, the ring channel has been seted up to processing platform up end, slide in the ring channel and be equipped with the protection subassembly that is used for protecting the clamping table, the frame lateral wall still is equipped with and is used for carrying out the spraying dust fall subassembly that rises and falls and remove dust to the protection subassembly;
the spraying dust fall assembly comprises a main water pipe fixedly arranged on the side wall of the machine base, the left side wall of the main water pipe is connected with a water inlet pipe, the other end of the water inlet pipe is connected with an external water storage tank pump body, the side wall of the bottom of the main water pipe is connected with a water diversion pipe, a movable pipe is further arranged in the main water pipe in a sliding mode, one end of the pressing plate, which is close to the main water pipe, is provided with a fixing rod, one end of the fixing rod, which is far away from the pressing plate, is fixedly arranged on the side wall of the upper end of the movable pipe, two jacking pipes for jacking the protection assembly are fixedly arranged on the surface of the water diversion pipe, water outlets are formed in the bottom of the main water pipe, the main water pipe is communicated with the waste collection box through a connecting pipe, and a connecting rod for blocking the water outlets is fixedly arranged at the bottom of the movable pipe;
the outer surface of the lower end of the movable pipe is fixedly provided with a rubber sealing ring, the outer surface of the upper end of the movable pipe is fixedly provided with a fixed sealing block, the side wall of the movable pipe, which is positioned between the fixed sealing block and the rubber sealing ring, is provided with a water inlet hole, the water inlet hole is matched with the water inlet pipe for use, the bottom of the movable pipe is also fixedly provided with a U-shaped mounting frame, and the top of the connecting rod is fixedly arranged at the bottom end of the U-shaped mounting frame;
a piston is arranged in the jacking pipe, and a movable ejector rod is fixedly arranged at the top of the piston; the surface of the connecting rod is slidably provided with a movable sealing block, and a second reset spring for resetting is further arranged between the upper end of the movable sealing block and the connecting rod.
As a further description of the above technical solution:
the protection component comprises an annular protection cover which is arranged in the annular groove in a sliding manner, an annular cavity is formed in the top end of the inner portion of the annular protection cover, an annular movable plate is arranged in the annular cavity in a sliding manner, the upper end of the annular movable plate penetrates through the annular protection cover and extends to the outer side of the annular protection cover, a circle of annular sealing block is arranged at the bottom of the annular movable plate, the size of the annular sealing block is matched with the inner size of the annular cavity, a first reset spring is arranged between the bottom of the annular sealing block and the bottom of the annular cavity, a plurality of spraying holes are uniformly formed in the inner side wall of the annular cavity, a water inlet hose is connected to the outer side wall of the annular protection cover close to a main water pipe, and the other end of the water inlet hose is connected with the main water pipe.
As a further description of the above technical solution:
the clamping table is internally provided with a cavity, the side wall of the cavity is provided with a scrap inlet, the end face of the processing table is positioned right below the clamping table and provided with a conical groove, the middle position of the conical groove is connected with a sewer pipe, and the bottom of the sewer pipe is communicated with a scrap collecting box.
As a further description of the above technical solution:
the pressing plate is of a disc type structure, and the diameter size of the pressing plate is larger than the outer diameter size of the annular protective cover.
As a further description of the above technical solution:
the diameter of the connecting rod is smaller than the inner diameter of the water outlet hole, the outer diameter of the movable sealing block is larger than the inner diameter of the water outlet hole, and the movable sealing block is made of elastic rubber.
As a further description of the above technical solution:
the side wall of the upper end of the main water pipe is provided with a through groove which is convenient for the fixing rod to move.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
according to the invention, through the arranged protection component and the spraying dust fall component matched with the protection component, when the sander descends in sanding operation, the protection cover automatically rises, the generated scraps are blocked by the matched pressing plate, the scraps are prevented from splashing, and the scraps are cleaned and collected through the spraying holes in sanding, so that the scraps are prevented from being accumulated on a workbench surface, and the sanding efficiency and the safety performance are improved.
Drawings
FIG. 1 shows a schematic overall appearance structure provided in accordance with the present invention;
FIG. 2 shows a schematic view of the partially enlarged structure of FIG. 1 provided in accordance with the present invention;
FIG. 3 illustrates an enlarged schematic view of a protective assembly provided in accordance with the present invention;
FIG. 4 illustrates a schematic top view of the structure of FIG. 3 provided in accordance with the present invention;
FIG. 5 is an enlarged schematic view showing the internal structure of a movable pipe according to the present invention
Fig. 6 shows an enlarged schematic view of the internal structure of the jacking pipe provided by the invention.
Legend description:
1. a processing table; 2. a base; 3. a sander; 4. a protective assembly; 5. spraying a dust falling component; 6. a clamping table; 7. a pressing plate; 8. a scrap collection box; 41. an annular protective cover; 42. an annular movable plate; 43. an annular sealing block; 44. spraying holes; 45. a water inlet hose; 46. a first return spring; 51. a main water pipe; 52. a water inlet pipe; 53. a water diversion pipe; 54. a movable tube; 55. a jacking pipe; 56. a connecting rod; 57. a movable sealing block; 58. a second return spring; 541. a rubber seal ring; 542. fixing a sealing block; 543. a water inlet hole; 544. u-shaped mounting rack; 551. a movable ejector rod; 552. a piston; 71. and a fixing rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a fastener processing is with grinding device, including processing platform 1, the sweeps collecting box 8 that sets up in processing platform 1 below, the frame 2 of fixed mounting in processing platform 1 upper end, the sander 3 that sets up on frame 2 and the centre gripping platform 6 of fixed setting in processing platform 1 up end under sander 3, the rotation of sander 3 bull stick surface is connected with clamp plate 7, the ring channel has been seted up to processing platform 1 up end, slide in the ring channel and be equipped with the protection subassembly 4 that is used for protecting centre gripping platform 6, frame 2 lateral wall still is equipped with and is used for going up and down to protection subassembly 4 and carry out dust removal spray dust fall subassembly 5;
the spray dust settling component 5 comprises a main water pipe 51 fixedly arranged on the side wall of the machine base 2, the left side wall of the main water pipe 51 is connected with a water inlet pipe 52, the other end of the water inlet pipe 52 is connected with an external water storage tank pump body, the side wall of the bottom of the main water pipe 51 is connected with a water diversion pipe 53, a movable pipe 54 is also slidably arranged in the main water pipe 51, one end of a pressing plate 7, which is close to the main water pipe 51, is provided with a fixed rod 71, one end of the fixed rod 71, which is far away from the pressing plate 7, is fixedly arranged on the side wall of the upper end of the movable pipe 54, two jacking pipes 55 for jacking the protection component 4 are fixedly arranged on the surface of the water diversion pipe 53, water outlets are formed in the bottom of the main water pipe 51, the main water pipe 51 is communicated with the sweeps collecting box 8 through a connecting pipe, and a connecting rod 56 for blocking the water outlets is fixedly arranged at the bottom of the movable pipe 54;
the outer surface of the lower end of the movable pipe 54 is fixedly provided with a rubber sealing ring 541, the outer surface of the upper end of the movable pipe 54 is fixedly provided with a fixed sealing block 542, the side wall of the movable pipe 54 between the fixed sealing block 542 and the rubber sealing ring 541 is provided with a water inlet 543, the water inlet 543 is matched with the water inlet pipe 52 for use, the bottom of the movable pipe 54 is fixedly provided with a U-shaped mounting frame 544, and the top of the connecting rod 56 is fixedly arranged at the bottom end of the U-shaped mounting frame 544; in the actual use process, the rubber sealing ring 541 and the fixed sealing block 542 are attached to the inner wall of the main water pipe 51, and the outer diameter of the movable pipe 54 is smaller than the inner diameter of the main water pipe 51.
A piston 552 is arranged in the jacking pipe 55, and a movable ejector rod 551 is fixedly arranged at the top of the piston 552; the surface of the connecting rod 56 is slidably provided with a movable sealing block 57, and a second reset spring 58 for resetting is arranged between the upper end of the movable sealing block 57 and the connecting rod 56.
Further, the protection component 4 comprises an annular protection cover 41 which is arranged in the annular groove in a sliding manner, an annular cavity is formed in the top end of the inner portion of the annular protection cover 41, an annular movable plate 42 is arranged in the annular cavity in a sliding manner, the upper end of the annular movable plate 42 penetrates through the annular protection cover 41 and extends to the outer side of the annular protection cover 41, a circle of annular sealing block 43 is arranged at the bottom of the annular movable plate 42, the size of the annular sealing block 43 is matched with the inner size of the annular cavity, a first reset spring 46 is arranged between the bottom of the annular sealing block 43 and the bottom of the annular cavity, a plurality of spraying holes 44 are uniformly formed in the inner side wall of the annular cavity, a water inlet hose 45 is connected to the position, close to the main water pipe 51, of the outer side wall of the annular protection cover 41, and the other end of the water inlet hose 45 is connected with the main water pipe 51.
Further, a cavity is formed in the clamping table 6, a waste chip inlet is formed in the side wall of the cavity, a conical groove is formed in the position, right below the clamping table 6, of the end face of the processing table 1, a sewer pipe is connected to the middle position of the conical groove, and the bottom of the sewer pipe is communicated with the waste chip collecting box 8.
Further, the pressure plate 7 is of a disc-type configuration, and the diameter dimension of the pressure plate 7 is larger than the outer diameter dimension of the annular shield 41.
Further, the diameter of the connecting rod 56 is smaller than the inner diameter of the water outlet hole, the outer diameter of the movable sealing block 57 is larger than the inner diameter of the water outlet hole, and the movable sealing block 57 is made of elastic rubber.
Further, a through groove for facilitating the movement of the fixing rod 71 is formed in the upper side wall of the main water pipe 51.
Working principle: when the novel water distribution device is used, a fastener to be processed is fixed on the upper end face of the clamping table 6, the sander 3 is controlled to descend through the machine base 2, the sanding head of the sander 3 gradually approaches the fastener, meanwhile, the pressing plate 7 descends synchronously, the fixed rod 71 on the side wall of the pressing plate 7 drives the movable pipe 54 to descend in the main water pipe 51, at the moment, the connecting rod 56 at the bottom of the movable pipe 54 is spliced into a water outlet hole, the movable sealing block 57 on the surface of the connecting rod 56 blocks the water outlet hole until the water inlet hole 543 on the surface of the movable pipe 54 begins to coincide with the water inlet pipe 52, at the moment, water in the external water storage tank enters the movable pipe 54 through the water inlet pipe 52, water further enters the main water pipe 51 through the movable pipe 54, water further enters the water distribution pipe 53, and water further enters the jacking pipe 55, so that the piston 552 in the jacking pipe 55 is jacked, and the piston 552 jacks up the annular protective cover 41 right above the jacking pipe through controlling the movable ejector rod 551, and a protective effect is formed on the side edge of the clamping table 6;
continuously driving the sander 3 to descend, wherein the pressing plate 7 is abutted against the annular movable plate 42 and presses the annular movable plate 42 downwards, the annular sealing block 43 at the bottom of the annular movable plate 42 presses the first reset spring 46 until the annular sealing block 43 staggers to block the water inlet hose 45, at the moment, water flow in the main water pipe 51 enters the annular cavity through the water inlet hose 45 and is sprayed out through the spraying holes 44 on the inner side wall of the annular cavity, the sprayed water flow can flush scraps generated on the surface of the clamping table 6, the flushed scraps fall to the side edge of the clamping table 6, enter the cavity through the scraps inlet formed on the side wall of the clamping table 6, then fall into the conical groove, and finally are guided into the scraps collecting box 8 through the sewer pipe to be collected;
after finishing polishing, the sander 3 is driven to be lifted through the machine base 2, at the moment, the pressing plate 7 is lifted until the pressing plate 7 is separated from abutting with the annular movable plate 42, then the annular movable plate 42 is reset under the action of the first reset spring 46, blocking is formed on the water inlet hose 45 again, water is stopped in the water inlet hose 45, the movable pipe 54 is driven to be lifted through the fixed rod 71 during lifting of the pressing plate 7, the movable pipe 54 drives the connecting rod 56 to be lifted synchronously until the sander 3 is lifted to the original position, at the moment, the movable pipe 54 is restored to the original position under the driving of the fixed rod 71, blocking is formed on the water inlet pipe 52 again, at the moment, water is stopped in the main water pipe 51, the water outlet at the bottom of the main water pipe 51 is exposed, the movable ejector rod 551 is reset under the action of the gravity of the annular protective cover 41, stored water in the jacking pipe 55 is extruded through the water outlet until the annular protective cover 41 is lifted to the original position, and then a finished fastener to be processed is removed and replaced.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (6)

1. The utility model provides a fastener processing is with grinding device, includes processing platform (1), sets up sweeps collecting box (8) in processing platform (1) below, fixed mounting frame (2) in processing platform (1) upper end, setting up sander (3) on frame (2) and fixed setting up clamping table (6) under sander (3) in processing platform (1) up end is located sander (3), a serial communication port, sander (3) bull stick surface rotates and is connected with clamp plate (7), annular groove has been seted up to processing platform (1) up end, slide in the annular groove and be equipped with be used for carrying out protective protection subassembly (4) of protection to clamping table (6), frame (2) lateral wall still is equipped with and is used for carrying out lifting to protective subassembly (4) and carries out dust removal spray dust fall subassembly (5);
the spraying dust fall assembly (5) comprises a main water pipe (51) fixedly arranged on the side wall of the machine base (2), a water inlet pipe (52) is connected to the left side wall of the main water pipe (51), the other end of the water inlet pipe (52) is connected with an external water storage tank pump body, a water distribution pipe (53) is connected to the bottom side wall of the main water pipe (51), a movable pipe (54) is further arranged in the main water pipe (51) in a sliding mode, a fixed rod (71) is arranged at one end, close to the main water pipe (51), of the pressing plate (7), one end, far away from the pressing plate (7), of the fixed rod (71) is fixedly arranged on the side wall of the upper end of the movable pipe (54), two jacking pipes (55) used for jacking the protection assembly (4) are fixedly arranged on the surface of the water distribution pipe (53), water outlets are formed in the bottom of the main water pipe (51), and connecting pipes (51) are communicated with waste dust collection boxes (8), and connecting rods (56) used for blocking the water outlets are fixedly arranged at the bottom of the movable pipe (54).
The outer surface of the lower end of the movable pipe (54) is fixedly provided with a rubber sealing ring (541), the outer surface of the upper end of the movable pipe (54) is fixedly provided with a fixed sealing block (542), a water inlet hole (543) is formed in the side wall of the movable pipe (54) between the fixed sealing block (542) and the rubber sealing ring (541), the water inlet hole (543) is matched with the water inlet pipe (52), the bottom of the movable pipe (54) is fixedly provided with a U-shaped mounting frame (544), and the top of the connecting rod (56) is fixedly arranged at the bottom end of the U-shaped mounting frame (544);
a piston (552) is arranged in the jacking pipe (55), and a movable ejector rod (551) is fixedly arranged at the top of the piston (552);
the surface of the connecting rod (56) is slidably provided with a movable sealing block (57), and a second reset spring (58) for resetting is further arranged between the upper end of the movable sealing block (57) and the connecting rod (56).
2. The polishing device for fastener processing according to claim 1, wherein the protection component (4) comprises an annular protection cover (41) which is slidably arranged in the annular groove, an annular cavity is formed in the top end inside the annular protection cover (41), an annular movable plate (42) is slidably arranged in the annular cavity, the upper end of the annular movable plate (42) penetrates through the annular protection cover (41) and extends to the outer side of the annular protection cover, a ring-shaped sealing block (43) is arranged at the bottom of the annular movable plate (42), the size of the annular sealing block (43) is matched with the inner size of the annular cavity, a first reset spring (46) is arranged between the bottom of the annular sealing block (43) and the bottom of the annular cavity, a plurality of spraying holes (44) are uniformly formed in the inner side wall of the annular cavity, a water inlet hose (45) is connected to the position, close to the main water pipe (51), of the outer side wall of the annular protection cover (41), and the other end of the water inlet hose (45) is connected with the main water pipe (51).
3. The polishing device for fastener machining according to claim 1, wherein a cavity is formed in the clamping table (6), a scrap inlet is formed in the side wall of the cavity, a conical groove is formed in the position, located right below the clamping table (6), of the end face of the machining table (1), a sewer pipe is connected to the middle position of the conical groove, and the bottom of the sewer pipe is communicated with the scrap collecting box (8).
4. A fastener-working grinding apparatus as claimed in claim 1, wherein the pressure plate (7) is of disc-type construction and the diameter of the pressure plate (7) is greater than the outer diameter of the annular shield (41).
5. The polishing device for fastener processing according to claim 1, wherein the diameter of the connecting rod (56) is smaller than the inner diameter of the water outlet hole, the outer diameter of the movable sealing block (57) is larger than the inner diameter of the water outlet hole, and the movable sealing block (57) is made of elastic rubber material.
6. The polishing device for fastener processing according to claim 1, wherein a through groove for facilitating movement of the fixing rod (71) is formed in the side wall of the upper end of the main water pipe (51).
CN202210899646.2A 2022-07-28 2022-07-28 Grinding device is used in fastener processing Active CN115284127B (en)

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Application Number Priority Date Filing Date Title
CN202210899646.2A CN115284127B (en) 2022-07-28 2022-07-28 Grinding device is used in fastener processing

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Application Number Priority Date Filing Date Title
CN202210899646.2A CN115284127B (en) 2022-07-28 2022-07-28 Grinding device is used in fastener processing

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CN115284127A CN115284127A (en) 2022-11-04
CN115284127B true CN115284127B (en) 2023-09-15

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CN113829180A (en) * 2020-06-24 2021-12-24 江苏轩辕特种材料科技有限公司 Automatic grinding device is used in almag lithium alloy material production
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CN113523092A (en) * 2021-06-25 2021-10-22 江苏锦瑞金属制品有限公司 Stamping die is used in nut production
CN113997163A (en) * 2021-11-15 2022-02-01 周梅 Case accessory synchronous processing grinding machine
CN114161269A (en) * 2021-12-17 2022-03-11 珠海蓝冠电子科技有限公司 Polishing device for manufacturing refined metal products
CN114700548A (en) * 2022-04-27 2022-07-05 张凯 Sheet metal machining cutting device with chip collecting function

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