CN114434292A - Polishing and rust removing device for fire hose shell production - Google Patents
Polishing and rust removing device for fire hose shell production Download PDFInfo
- Publication number
- CN114434292A CN114434292A CN202111657729.2A CN202111657729A CN114434292A CN 114434292 A CN114434292 A CN 114434292A CN 202111657729 A CN202111657729 A CN 202111657729A CN 114434292 A CN114434292 A CN 114434292A
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- Prior art keywords
- polishing
- vertical plate
- cylinder
- fixedly connected
- plate
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Classifications
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
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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
-
- 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
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- 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
- B24B41/06—Work supports, e.g. adjustable steadies
-
- 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
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
-
- 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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
- B24B7/17—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a polishing and rust removing device for producing a fire box shell, which comprises a base, wherein a stand is arranged on a top fixing frame of the base, a rotary table is rotatably arranged at the top of the stand, a placing seat for placing a fire box is arranged vertically above the rotary table, a track supporting cylinder is fixedly and vertically arranged between the bottom side of the placing seat and the rotary table, and polishing mechanisms are arranged on two sides of the placing seat; grinding machanism establishes the support riser at the base top including the mount, the plate body that supports the riser runs through and is fixed with horizontal section of thick bamboo, horizontal smooth the passing in section of thick bamboo has the slide bar, the both ends difference fixedly connected with riser one and riser two of slide bar, be provided with reset spring between riser two and the support riser, one side both ends fixedly connected with curb plate of riser one. The fire box shell polishing device ensures the polishing effect and efficiency of the fire box shell, has the advantages of simple mechanism, ingenious design, low energy consumption and convenient use, and meets the use requirements of people in production and life.
Description
Technical Field
The invention relates to the technical field of fire fighting equipment, in particular to a polishing and rust removing device for producing a fire fighting box shell.
Background
The service environment of the fire-fighting box is often in the middle of the relatively dark and relatively humid environment, therefore, in order to guarantee the service life of the fire-fighting box, the process requirement on the shell of the fire-fighting box is very strict, and the production of the fire-fighting box is not continuous, so the plate can generate corrosion in the storage process, the plate still needs to be polished after being manufactured into the fire-fighting box, and the existing polishing mode is used for polishing through manpower, time and labor are consumed, and fixing, polishing and polishing after steering of the fire-fighting box are completed through machinery, or partial processes are performed in the polishing process, a large number of motors or cylinders are needed to be used to complete steering of the fire-fighting box, displacement of polishing equipment, equipment is overstaffed, the structure is complex, the energy consumption is high, the polishing cost is high, and the use requirements of people in production and life can not be met.
Disclosure of Invention
The invention aims to solve the problems of large equipment size, complex structure and high energy consumption in the prior art, and provides a polishing and rust removing device for producing a fire box shell.
In order to achieve the purpose, the invention adopts the following technical scheme:
a polishing and rust removing device for producing a fire box shell comprises a base, wherein a stand is arranged on a top fixing frame of the base, a rotary table is rotatably arranged on the top of the stand, a placing seat used for placing a fire box is arranged vertically above the rotary table, a track supporting cylinder is fixedly and vertically arranged between the bottom side of the placing seat and the rotary table, and polishing mechanisms are arranged on two sides of the placing seat;
the polishing mechanism comprises a supporting vertical plate fixed on the top of the base, a transverse cylinder is fixedly penetrated through a plate body of the supporting vertical plate, a sliding rod penetrates through the transverse cylinder in a horizontal sliding mode, a first vertical plate and a second vertical plate are fixedly connected to two ends of the sliding rod respectively, a reset spring is arranged between the second vertical plate and the supporting vertical plate, side plates are fixedly connected to two ends of one side of the first vertical plate, a replaceable polishing cylinder is rotatably mounted between the side plates, an elastic rod is horizontally mounted on one side, away from the supporting vertical plate, of the second vertical plate, and a contact roller is rotatably mounted at one end of the elastic rod;
the grinding machine is characterized in that a combined driving mechanism for driving the grinding mechanism to horizontally move and the track supporting cylinder to rotate is arranged on the top side of the base, the combined driving mechanism comprises an air cylinder fixedly mounted on the top side of the base through bolts, an output rod of the air cylinder is fixedly connected with a lifting table, a grinding cylinder transverse push plate capable of pushing the contact roller to horizontally move in vertical movement is arranged on one side of the contact roller, a spiral sliding hole along the wall of the track supporting cylinder is formed in the wall of the track supporting cylinder, a push pin shaft is connected in the sliding hole in a sliding mode, and a linkage rod is fixedly connected between the grinding cylinder transverse push plate and the lifting table.
Preferably, the top side of the placing seat is provided with a placing groove matched with the fire box support leg.
Preferably, a round hole is formed in a plate body of the side plate and penetrates through a round shaft, two ends of the round shaft are fixedly connected with an end plate and an end ring respectively, a polygonal hole groove is formed in the round shaft and penetrates through a polygonal clamping shaft, a polygonal middle cylinder is sleeved on the outer side of a shaft body of the polygonal clamping shaft, and an umbrella shaft is fixedly connected between the outer wall of the polygonal middle cylinder and the inner wall of the grinding cylinder.
Preferably, the top end of the polygonal clamping shaft is fixedly connected with a handle, and a plurality of first antifriction balls are arranged on one sides, close to the side plates, of the end plates and the end rings.
Preferably, one side of the first vertical plate is fixedly provided with a servo motor through a bolt, and a transmission belt is connected between an output shaft of the servo motor and the end plate in a transmission manner.
Preferably, the vertical plate is positioned on one side of the transverse cylinder close to the placing seat.
Preferably, the top side of the stand is fixedly connected with a circular cover, the rotary table is rotatably installed in the circular cover, and the bottom side of the rotary table is provided with a plurality of second antifriction balls.
Compared with the prior art, the invention provides a polishing and rust removing device for producing a fire box shell, which has the following beneficial effects:
1. according to the fire box, the polishing mechanisms are arranged on the two sides of the fire box, the fire box can rotate after the two sides of the fire box are polished, the outer surfaces of the other two sides of the fire box can be polished after the fire box rotates, and manpower is replaced by machinery, so that the polishing efficiency of the fire box is greatly guaranteed;
2. according to the invention, the conversion of the polishing surface and the position movement of the polishing mechanism are completed through the single air cylinder, so that the mechanism is greatly simplified, the energy consumption is reduced, and the cost of the polishing process of the fire box shell is reduced;
3. according to the invention, through the arrangement of the elastic rod, the contact pressure between the polishing mechanism and the fire box shell is ensured, and the polishing effect is further ensured;
4. the grinding cylinder used by the invention can be quickly replaced, the continuity of equipment operation is ensured, the production efficiency is further ensured, and the use is convenient.
The fire box shell polishing device ensures the polishing effect and efficiency of the fire box shell, is simple in mechanism, ingenious in design, low in energy consumption and convenient and fast to use, and meets the use requirements of people in production and life.
Drawings
FIG. 1 is a schematic structural view of a main section of a polishing and rust removing device for producing a fire box shell, which is provided by the invention;
FIG. 2 is a schematic structural diagram of a front cross-sectional view of a polishing mechanism of a part of the polishing and rust removing device for producing a fire box shell, which is provided by the invention;
FIG. 3 is a schematic side view of a track supporting cylinder of the polishing and rust removing device for producing a fire box shell, which is provided by the invention;
FIG. 4 is a schematic top view cross-sectional structural view of a polygonal clamp shaft of the polishing and rust removing device for producing a fire fighting box shell, which is provided by the invention.
In the figure: the device comprises a base 1, a stand 2, a rotary table 3, a setting seat 4, a track supporting cylinder 5, a horizontal cylinder 6, a supporting vertical plate 7, a sliding rod 8, a first vertical plate 9, a second vertical plate 10, a return spring 11, a side plate 12, a polishing cylinder 13, an elastic rod 14, a contact roller 15, a circular shaft 16, an end plate 17, an end ring 18, a first antifriction ball 19, a polygonal middle cylinder 20, an umbrella shaft 21, a polygonal clamping shaft 22, a handle 23, a lifting platform 24, an air cylinder 25, a polishing cylinder horizontal pushing plate 26, a pushing pin shaft 27, a linkage rod 28, a locking universal wheel 29, a circular cover 30, a second antifriction ball 31, a servo motor 32 and a transmission belt 33.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Example one
Referring to fig. 1-4, the polishing and rust removing device for producing the fire box shell comprises a base 1, wherein a stand 2 is arranged on a top fixing frame of the base 1, a rotary table 3 is rotatably arranged on the top of the stand 2, a placing seat 4 for placing a fire box is arranged vertically above the rotary table 3, a track supporting cylinder 5 is fixedly and vertically arranged between the bottom side of the placing seat 4 and the rotary table 3, and polishing mechanisms are arranged on two sides of the placing seat 4;
placing the fire box shell on the placing seat 4, polishing the two sides of the fire box shell through a polishing mechanism, rotating the placing seat 4 after polishing the two sides, and then polishing the two sides of the collar;
the polishing mechanism comprises a supporting vertical plate 7 fixed on the top of the base 1, a transverse cylinder 6 penetrates through and is fixed on a plate body of the supporting vertical plate 7, a sliding rod 8 penetrates through the transverse cylinder 6 in a horizontal sliding mode, a first vertical plate 9 and a second vertical plate 10 are fixedly connected to the two ends of the sliding rod 8 respectively, a reset spring 11 is arranged between the second vertical plate 10 and the supporting vertical plate 7, side plates 12 are fixedly connected to the two ends of one side of the first vertical plate 9, a replaceable polishing cylinder 13 is rotatably installed between the side plates 12, an elastic rod 14 is horizontally installed on one side, away from the supporting vertical plate 7, of the second vertical plate 10, and a contact roller 15 is rotatably installed at one end of the elastic rod 14;
through the rebound of the return spring 11, the grinding cylinder 13 is far away from the fire box shell when not grinding;
the top side of base 1 is provided with drive grinding machanism horizontal migration and track support section of thick bamboo 5 and carries out pivoted combined drive mechanism, combined drive mechanism includes the cylinder 25 through bolt fixed mounting in the top side of base 1, the output pole fixedly connected with elevating platform 24 of cylinder 25, one side of contact gyro wheel 15 is provided with can promote the section of thick bamboo horizontal migration's of contact gyro wheel 15 horizontal migration grinding section of thick bamboo horizontal push pedal 26 in vertical removal, the section of thick bamboo wall of track support section of thick bamboo 5 is seted up along the spiral slide opening of 5 section of thick bamboo walls of track support section of thick bamboo, sliding connection has the thrust pin axle 27 in the slide opening, grinding section of thick bamboo horizontal push pedal 26 and thrust axle 27 and elevating platform 24 between fixedly connected with trace 28, riser one 9 is located one side that horizontal section of thick bamboo 6 is close to seat 4, the top side fixedly connected with dome 30 of stand 2, revolving stage 3 rotates and installs in dome 30, a plurality of antifriction ball two 31 are installed to the bottom side of revolving stage 3.
In this embodiment, when the combined driving mechanism moves in the vertical direction through the lifting table 24, the linkage rod 28 drives the polishing barrel horizontal push plate 26 and the push pin shaft 27 to move vertically, the polishing barrel horizontal push plate 26 cooperates with the return spring 11, and the polishing barrel horizontal push plate 26 determines the horizontal position of the contact roller 15 in the vertical movement process, so that after polishing on both sides, the polishing barrels 13 are driven to move away from each other, and after the setting seat 4 rotates, the polishing barrels are folded again;
when the linkage rod 28 drives the pushing pin shaft 27 to vertically move, the track supporting cylinder 5 is driven to rotate or keep the original state through the sliding hole, so that the orientation state conversion after the two sides are polished is realized.
Example two
As shown in fig. 1-4, this embodiment is substantially the same as embodiment 1, and preferably, the top side of the seat 4 is opened with a seat slot matched with the fire box foot.
In this embodiment for the station of fire hose is fixed more convenient, and is more stable at the in-process of polishing.
EXAMPLE III
As shown in fig. 1 to 4, in this embodiment, basically the same as that of embodiment 1, preferably, the plate body of the side plate 12 is provided with a circular hole and penetrates through a circular shaft 16, two ends of the circular shaft 16 are respectively and fixedly connected with an end plate 17 and an end ring 18, the circular shaft 16 is provided with a polygonal hole slot and penetrates through a polygonal clamping shaft 22, a polygonal middle cylinder 20 is sleeved outside a shaft body of the polygonal clamping shaft 22, and an umbrella shaft 21 is fixedly connected between an outer wall of the polygonal middle cylinder 20 and an inner wall of the grinding cylinder 13.
In this embodiment, after a period of use, the consumable auxiliary material needs to be replaced, and when the polishing drum 13 is replaced, the polygonal clamping shaft 22 is moved upward.
Example four
As shown in fig. 1-4, this embodiment is substantially the same as embodiment 1, and preferably, a handle 23 is fixedly connected to the top end of the polygonal clip shaft 22, and a plurality of antifriction balls 19 are mounted on the end plate 17 and the side of the end ring 18 close to the side plate 12.
In this embodiment, very big reduction the friction loss, promoted energy utilization.
EXAMPLE five
As shown in fig. 1-4, this embodiment is substantially the same as embodiment 1, and preferably, a servo motor 32 is fixedly mounted on one side of the first vertical plate 9 through bolts, and a transmission belt 33 is connected between an output shaft of the servo motor 32 and the end plate 17 in a transmission manner.
In this embodiment, power is provided for the sharpening mechanism.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The polishing and rust removing device for producing the fire box shell comprises a base (1) and is characterized in that a stand (2) is arranged on a top fixing frame of the base (1), a rotary table (3) is rotatably mounted at the top of the stand (2), a placing seat (4) for placing a fire box is arranged vertically above the rotary table (3), a track supporting cylinder (5) is fixedly and vertically mounted between the bottom side of the placing seat (4) and the rotary table (3), and polishing mechanisms are arranged on two sides of the placing seat (4);
the polishing mechanism comprises a supporting vertical plate (7) fixedly arranged at the top of a base (1), a horizontal cylinder (6) penetrates through and is fixed to a plate body of the supporting vertical plate (7), a sliding rod (8) penetrates through the horizontal cylinder (6) horizontally, a first vertical plate (9) and a second vertical plate (10) are fixedly connected to two ends of the sliding rod (8) respectively, a reset spring (11) is arranged between the second vertical plate (10) and the supporting vertical plate (7), side plates (12) are fixedly connected to two ends of one side of the first vertical plate (9), a replaceable polishing cylinder (13) is rotatably mounted between the side plates (12), an elastic rod (14) is horizontally mounted on one side, far away from the supporting vertical plate (7), of the second vertical plate (10), and a contact roller (15) is rotatably mounted at one end of the elastic rod (14);
the top side of base (1) is provided with the drive grinding machanism horizontal migration and track support section of thick bamboo (5) carries out pivoted combined drive mechanism, combined drive mechanism includes cylinder (25) through bolt fixed mounting in base (1) top side, the output pole fixedly connected with elevating platform (24) of cylinder (25), one side of contact gyro wheel (15) is provided with can promote contact gyro wheel (15) horizontal migration's grinding section of thick bamboo horizontal push plate (26) in vertical removal, the section of thick bamboo wall of track support section of thick bamboo (5) is seted up along track support section of thick bamboo (5) section of thick bamboo wall spiral slide opening, sliding connection has the round pin axle (27) that pushes away in the slide opening, fixedly connected with trace (28) between grinding section of thick bamboo horizontal push plate (26) and the round pin axle (27) and elevating platform (24).
2. The polishing and rust removing device for the fire box shell as claimed in claim 1, wherein the top side of the placing seat (4) is provided with placing grooves matched with the fire box supporting legs.
3. The grinding and rust removing device for the fire fighting box shell production as recited in claim 1, wherein a circular hole is formed in a plate body of the side plate (12) and a circular shaft (16) penetrates through the circular hole, two ends of the circular shaft (16) are fixedly connected with an end plate (17) and an end ring (18) respectively, a polygonal hole groove is formed in the circular shaft (16) and a polygonal clamping shaft (22) penetrates through the circular shaft, a polygonal middle cylinder (20) is sleeved on the outer side of a shaft body of the polygonal clamping shaft (22), and an umbrella shaft (21) is fixedly connected between the outer wall of the polygonal middle cylinder (20) and the inner wall of the grinding cylinder (13).
4. The polishing and rust removing device for the fire fighting box shell production as recited in claim 3, characterized in that a handle (23) is fixedly connected to the top end of the polygonal clamping shaft (22), and a plurality of first antifriction balls (19) are mounted on one sides of the end plate (17) and the end ring (18) close to the side plate (12).
5. The polishing and rust removing device for the fire fighting box shell production as claimed in claim 3, wherein a servo motor (32) is fixedly mounted on one side of the first vertical plate (9) through a bolt, and a transmission belt (33) is connected between an output shaft of the servo motor (32) and the end plate (17) in a transmission manner.
6. The polishing and rust removing device for the fire box shell production as recited in claim 1, wherein the first vertical plate (9) is located on one side of the horizontal cylinder (6) close to the placing seat (4).
7. The polishing and rust removing device for the fire fighting box shell production as recited in claim 1, wherein a round cover (30) is fixedly connected to the top side of the stand (2), the rotary table (3) is rotatably mounted in the round cover (30), and a plurality of second antifriction balls (31) are mounted on the bottom side of the rotary table (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111657729.2A CN114434292A (en) | 2021-12-30 | 2021-12-30 | Polishing and rust removing device for fire hose shell production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111657729.2A CN114434292A (en) | 2021-12-30 | 2021-12-30 | Polishing and rust removing device for fire hose shell production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114434292A true CN114434292A (en) | 2022-05-06 |
Family
ID=81365420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111657729.2A Withdrawn CN114434292A (en) | 2021-12-30 | 2021-12-30 | Polishing and rust removing device for fire hose shell production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114434292A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4635401A (en) * | 1983-09-01 | 1987-01-13 | Daisho Seiki Kabushiki Kaisha | Duplex-head surface grinder |
| CN111203771A (en) * | 2020-02-27 | 2020-05-29 | 淮北德林机械设备有限公司 | Bidirectional grinding machine |
| CN111761437A (en) * | 2020-07-23 | 2020-10-13 | 张爱萍 | Positioning and polishing device for machining gearbox gear of agricultural machine and working method of positioning and polishing device |
| CN211784882U (en) * | 2020-04-05 | 2020-10-27 | 安徽钟南防化科技有限公司 | Processing of fire control poison filtering jar is with book detection device |
| CN112157534A (en) * | 2020-10-15 | 2021-01-01 | 盐城丝路信息科技服务有限公司 | Computer machine case grinding device |
| CN212399181U (en) * | 2020-02-14 | 2021-01-26 | 塔克智能科技(昆山)有限公司 | Computer mainframe box polishing and grinding device |
| CN213470532U (en) * | 2020-08-12 | 2021-06-18 | 赵贝 | Polishing equipment for hardware pipes |
| CN215275513U (en) * | 2021-06-23 | 2021-12-24 | 天长市鹏展消防设备制造有限公司 | Outdoor anti-freezing fire box |
-
2021
- 2021-12-30 CN CN202111657729.2A patent/CN114434292A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4635401A (en) * | 1983-09-01 | 1987-01-13 | Daisho Seiki Kabushiki Kaisha | Duplex-head surface grinder |
| CN212399181U (en) * | 2020-02-14 | 2021-01-26 | 塔克智能科技(昆山)有限公司 | Computer mainframe box polishing and grinding device |
| CN111203771A (en) * | 2020-02-27 | 2020-05-29 | 淮北德林机械设备有限公司 | Bidirectional grinding machine |
| CN211784882U (en) * | 2020-04-05 | 2020-10-27 | 安徽钟南防化科技有限公司 | Processing of fire control poison filtering jar is with book detection device |
| CN111761437A (en) * | 2020-07-23 | 2020-10-13 | 张爱萍 | Positioning and polishing device for machining gearbox gear of agricultural machine and working method of positioning and polishing device |
| CN213470532U (en) * | 2020-08-12 | 2021-06-18 | 赵贝 | Polishing equipment for hardware pipes |
| CN112157534A (en) * | 2020-10-15 | 2021-01-01 | 盐城丝路信息科技服务有限公司 | Computer machine case grinding device |
| CN215275513U (en) * | 2021-06-23 | 2021-12-24 | 天长市鹏展消防设备制造有限公司 | Outdoor anti-freezing fire box |
Non-Patent Citations (1)
| Title |
|---|
| 彭代强等: "铝板组合焊接机箱的加工策略研究", 《新技术新工艺》 * |
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Application publication date: 20220506 |
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| WW01 | Invention patent application withdrawn after publication |