CN111993181B - Boiler hood casting post-processing equipment - Google Patents
Boiler hood casting post-processing equipment Download PDFInfo
- Publication number
- CN111993181B CN111993181B CN202011000731.8A CN202011000731A CN111993181B CN 111993181 B CN111993181 B CN 111993181B CN 202011000731 A CN202011000731 A CN 202011000731A CN 111993181 B CN111993181 B CN 111993181B
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- Prior art keywords
- rod
- bevel gear
- fixing
- grinding
- mode
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/48—Single-purpose machines or devices for grinding walls of very fine holes, e.g. in drawing-dies
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
Abstract
The invention provides a processing device after casting and molding of a boiler hood, which relates to the field of boiler accessory processing and comprises a bottom plate, a fixed plate, a clamping mechanism, an operation frame, a polishing mechanism and a locking mechanism, wherein the operation frame is installed on the bottom plate, the polishing mechanism is installed on the operation frame, the locking mechanisms are symmetrically installed on the left side and the right side of the upper end of the operation frame, the fixed plate is movably installed on the locking mechanism, and the clamping mechanism is arranged in the fixed plate.
Description
Technical Field
The invention relates to the field of mechanical manufacturing and processing, and particularly provides a processing device for a boiler hood after casting and forming.
Background
The boiler hood is an air distribution device of a boiler, small hood apertures are uniformly distributed on the boiler hood, and the boiler hood plays a key role in safe and economic operation of the boiler, the working principle of the boiler hood is that coal or comburent is blown up by air blown out by the hood to form boiling combustion, hundreds of hoods are generally distributed at intervals at the bottom of a hearth when being reused, and the application range of the boiler hood is generally power station boiler burner nozzles, machinery, mines, metallurgy, chemical industry, war industry, traffic, cement production equipment and the like.
The existing boiler air cap is generally processed by adopting a casting forming method, the ventilation aperture on the boiler air cap is very small, so the ventilation aperture is often blocked after casting forming and is very dangerous when in use, however, the ventilation aperture is usually processed by manually polishing the ventilation aperture by using an iron rod with the same aperture at present, the polishing operation efficiency of the boiler air cap is low, the process is complicated, the production efficiency is influenced, and the improvement space is provided.
Disclosure of Invention
Problems to be solved
The present invention can solve all the problems mentioned in the background art described above.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme that the processing equipment for the cast and formed boiler hood comprises a bottom plate, a fixing device and a polishing device, wherein the polishing device is arranged on the bottom plate, and the fixing device is movably arranged on the polishing device.
Fixing device includes fixed plate, fixed handle and chucking mechanism, and the fixed plate is hollow structure, and the equidistant round hole of having seted up on the fixed plate, and fixed handle is installed to the left and right sides symmetry of fixed plate, has chucking mechanism at the internally mounted of fixed plate, and the mode through buckle locking links to each other between fixed plate and the grinding device.
The clamping mechanism comprises a connecting rod, a fixed rod, a first stretching rod, a second stretching rod, an arc-shaped clamp, a third stretching rod, a special-shaped bolt, a butterfly nut, a sliding block and cylindrical blocks, grooves are uniformly formed in the circumferential direction of the round hole, the sliding blocks are arranged in the grooves in a sliding mode, the cylindrical blocks are arranged at the upper ends of the sliding blocks, the cylindrical blocks are hinged through the connecting rod, fixed blocks are arranged between the connecting rods in a sliding mode, the fixed rod is arranged between the fixed blocks, the arc-shaped clamp is arranged on the fixed rod, the symmetrical first stretching rods are hinged on the cylindrical blocks at the leftmost end and the rightmost end of the fixed plate, the first stretching rods are connected through the second stretching rod, the third stretching rod is arranged on the second stretching rod, the rightmost end of the third stretching rod is connected with the special-shaped bolt in a rotating mode, and the special-shaped bolt penetrates through the fixed plate and is connected with the butterfly nut in a threaded mode, the butterfly nut is arranged on the outer side of the fixing plate in a rotating mode, and the special-shaped bolt is sleeved with the spring.
As a preferred technical scheme, a circular groove is formed in the right end of the third stretching rod, a circular block is arranged at the left end of the special-shaped bolt and is arranged in the circular groove to be attached, and the special-shaped bolt is connected with the third stretching rod in a rotating mode.
The grinding device comprises an operation frame, a motor, a driving bevel gear, a driven bevel gear, a supporting plate, a locking mechanism and a grinding mechanism, wherein the operation frame is of a hollow structure, the operation frame is installed on the bottom plate, the supporting plate is installed in the middle of the inner wall of the left side and the right side of the operation frame, the driven bevel gears at equal intervals are installed on the supporting plate, the driven bevel gears are meshed with each other along the central line, the driving bevel gears are connected to the driven bevel gears at the leftmost end at equal intervals in a meshed mode, the driving bevel gears are fixed on the output shaft of the motor, the output shaft of the motor rotates to penetrate through the outer wall of the operation frame, the motor is fixed on the outer wall of the operation frame, the grinding mechanism is installed on the driven bevel gears, and the locking mechanism is symmetrically installed at the left end and the right end of the operation frame.
As a preferred technical scheme of the invention, the locking mechanism comprises a support frame, a cylinder and a U-shaped sliding block, the support frame is symmetrically arranged at the upper end of the operation frame left and right, the U-shaped sliding block is arranged at the inner side of the support frame in a sliding mode, the upper end of the U-shaped sliding block is fixed on an output shaft of the cylinder, the cylinder is arranged at the upper end of the support frame, and the output shaft of the cylinder penetrates through the support frame in a sliding mode to be connected with the U-shaped sliding block.
As a preferred technical scheme, the grinding mechanism comprises a rotating shaft, a sleeve, a first grinding bevel gear, a second grinding bevel gear, an auxiliary connecting rod and a grinding rod, the sleeve is installed at the upper end of the operation frame at equal intervals, the hollow structure is arranged inside the sleeve, the rotating shaft is installed inside the sleeve in a rotating mode, the lower end of the rotating shaft is fixed on the driven bevel gear, the first grinding bevel gear is installed at the top end of the rotating shaft at equal intervals through a bearing and connected with the second grinding bevel gear in a meshing mode, the auxiliary connecting rod is installed on the second grinding bevel gear and is of a hollow structure, an electric push rod is installed inside the auxiliary connecting rod, the grinding rod is installed on the output end of the electric push rod, and the grinding rod is installed inside the auxiliary connecting rod in a sliding mode.
In a preferred embodiment of the present invention, the rotating shaft mounted on the driven gear is aligned with the sleeve.
(III) advantageous effects
1. The invention provides a processing device after the casting and forming of boiler hoods, which is characterized in that a fixing device can fix a large number of boiler hoods to be processed, so that the processing of the large number of boiler hoods is realized, the secondary processing efficiency of the boiler hoods is greatly improved, and the production efficiency of products is further improved.
2. The invention provides a processing device after the cast forming of a boiler hood, wherein a locking mechanism is a mechanism for fixing a fixing plate at the upper end of an operation frame, so that the stability of the fixing plate can be effectively improved, the precision of a polishing mechanism in polishing is ensured, and dangerous errors such as displacement or overturning of the fixing plate in polishing are prevented.
3. The invention provides a post-processing device for casting and molding boiler hoods, wherein a polishing mechanism can polish the ventilation apertures of the boiler hoods in large batch, a polishing rod extends into the ventilation apertures to polish fine broken burrs and hole blocking burrs inside the ventilation apertures in a fine mode, the qualification rate of products is improved after secondary fine polishing, and therefore the production efficiency of the products is accelerated.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a transverse cross-sectional view of the present invention;
FIG. 2 is a cross-sectional view of the fastening device of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 5 is an enlarged view of a portion of the invention at B in FIG. 2;
FIG. 6 is an enlarged view of a portion of the invention at C in FIG. 2;
FIG. 7 is an enlarged view of a portion of the invention at D in FIG. 2;
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 7, a post-processing treatment device for a boiler hood cast molding comprises a bottom plate 1, a fixing device 2 and a polishing device 3, wherein the polishing device 3 is mounted on the bottom plate 1, and the fixing device 2 is movably arranged on the polishing device 3; lay fixing device 2 with the boiler hood in fixed, the manual work is laid fixing device 2 and is polished in polishing device 3, takes out fixing device 2 after polishing and puts into the collection box with the boiler hood afterwards.
The fixing device 2 comprises a fixing plate, a fixing handle 22 and a clamping mechanism 23, the fixing plate is of a hollow structure, round holes are formed in the fixing plate at equal intervals, the fixing handle 22 is symmetrically arranged on the left side and the right side of the fixing plate, the clamping mechanism 23 is arranged in the fixing plate, and the fixing plate is connected with the polishing device 3 in a buckling locking mode; round hole on the fixed plate can carry out large batch fixed to the boiler hood, realizes polishing in batches, improves the efficiency of polishing of product, further increase of production.
The clamping mechanism 23 comprises a connecting rod 231, a fixing rod 232, a first stretching rod 233, a second stretching rod 234, an arc-shaped clamp 235, a third stretching rod 236, a special-shaped bolt 237, a butterfly nut 238, a sliding block 239 and a cylindrical block 230, wherein grooves are uniformly formed in the circumferential direction of the circular holes, the sliding block 239 is installed in each groove in a sliding mode, the cylindrical block 230 is installed at the upper end of each sliding block 239, the cylindrical blocks 230 are hinged through the connecting rod 231, the fixing blocks are installed between the connecting rods 231 in a sliding mode, the fixing rods 232 are installed between the fixing blocks, the arc-shaped clamps 235 are arranged on the fixing rods 232, the first stretching rods 233 are hinged on the cylindrical blocks 230 at the leftmost end and the rightmost end of each fixing plate symmetrically, the first stretching rods 233 are connected through the second stretching rod 234, the third stretching rod 236 is arranged on the second stretching rod 234, and the right-most end of the third stretching rod 236 is connected with the special-shaped bolt 237 in a rotating mode, the special-shaped bolt 237 penetrates through the fixing plate and is connected with the butterfly nut 238 in a threaded mode, the butterfly nut 238 is arranged on the outer side of the fixing plate in a rotating mode, and a spring is sleeved on the special-shaped bolt 237; during specific work, the boiler hood is placed in the circular hole, the butterfly nuts 238 on two sides of the fixing plate are rotated, the butterfly nuts 238 drive the special-shaped bolt 237 to move outwards in a threaded fit mode, the first stretching rod 233, the second stretching rod 234 and the third stretching rod 236 are matched with each other to drive the sliding block 239 to move outwards, meanwhile, the sliding block 239 drives the connecting rod 231 to move outwards through the cylindrical block 230, deformation occurs among the connecting rods 231, the arc-shaped clamp 235 is enabled to shrink inwards to fix the boiler hood, and then the fixing device 2 is fixed on the operation frame 31 through the locking mechanism 38 to be polished.
A circular groove is formed in the right end of the third stretching rod 236, a circular block is arranged at the left end of the special-shaped bolt 237, the circular block is arranged in the circular groove and attached to the circular groove, and the special-shaped bolt 237 is connected with the third stretching rod 236 in a rotating mode; the special-shaped bolt 237 can drive the third stretching rod 236 to move left and right while rotating.
The polishing device 3 comprises an operation frame 31, a motor 32, driving bevel gears 33, driven bevel gears 36, supporting plates 37, locking mechanisms 38 and a polishing mechanism 39, wherein the operation frame 31 is of a hollow structure, the operation frame 31 is installed on the bottom plate 1, the supporting plates 37 are installed in the middle parts of the inner walls of the left side and the right side of the operation frame 31, the driven bevel gears 36 with equal intervals are installed on the supporting plates 37, the driven bevel gears 36 are meshed with each other along the central line, the driving bevel gears 33 are connected to the driven bevel gear 36 at the leftmost end in an equal interval mode in a meshed mode, the driving bevel gears 33 are fixed on the output shaft of the motor 32, the output shaft of the motor 32 rotatably penetrates through the outer wall of the operation frame 31, the motor 32 is fixed on the outer wall of the operation frame 31, the polishing mechanisms 39 are installed on the driven bevel gears 36, and the locking mechanisms 38 are symmetrically installed at the left end and the right end of the operation frame 31; during specific work, the motor 32 is started, the driving bevel gear 33 is driven to rotate through rotation of an output shaft of the motor 32, the gears are mutually matched in a meshing mode, the driven bevel gear 36 is driven to rotate, and therefore the driven bevel gear 36 drives the polishing mechanism 39 to rotate.
The rotating shaft 391 and the sleeve 392 mounted on the driven bevel gear 36 are in the same straight line, so that the rotating shaft is ensured to be in the middle of the sleeve 392, and the grinding mechanism 39 can further uniformly grind the boiler hood.
The locking mechanism 38 comprises a supporting frame 381, a cylinder 382 and a U-shaped sliding block 383, the supporting frame 381 is symmetrically arranged at the upper end of the operation frame 31 in the left-right direction, the U-shaped sliding block 383 is arranged on the inner side of the supporting frame 381 in a sliding mode, the upper end of the U-shaped sliding block 383 is fixed on an output shaft of the cylinder 382, the cylinder 382 is arranged at the upper end of the supporting frame 381, and the output shaft of the cylinder 382 penetrates through the supporting frame 381 in a sliding mode to be connected with the U-shaped sliding block 383; during specific work, the upper end of the work frame 31 is placed to the fixing device 2, the cylinder 382 is started, the output end of the cylinder 382 pushes the U-shaped slider 383 to move downwards to fix the fixing handle 22 of the fixing device 2, the polishing precision during polishing can be effectively guaranteed, and the qualified rate of the polished product is improved.
The grinding mechanism 39 comprises a rotating shaft 391, a sleeve 392, a first grinding bevel gear 393, a second grinding bevel gear 394, an auxiliary connecting rod 395, a grinding rod 396 and an electric push rod 397, wherein the sleeve 392 is installed at the upper end of the operation frame 31 at equal intervals, the inside of the sleeve 392 is of a hollow structure, the rotating shaft 391 is installed inside the sleeve 392 in a rotating mode, the lower end of the rotating shaft 391 is fixed on the driven bevel gear 36, the first grinding bevel gear 393 is installed at the top end of the rotating shaft 391 at equal intervals through a bearing, the first grinding bevel gear 393 is connected with the second grinding bevel gear 394 in a meshing mode, the auxiliary connecting rod 395 is installed on the second grinding bevel gear 394, and the auxiliary connecting rod 395 is of a hollow structure, an electric push rod 397 is installed inside the auxiliary connecting rod 395, a polishing rod 396 is installed at the output end of the electric push rod 397, and the polishing rod 396 is installed inside the auxiliary connecting rod 395 in a sliding mode; during the specific operation, the fixing device 2 is fixed at the upper end of the grinding mechanism 39, so that boiler hoods on the fixing device 2 can be sleeved into the sleeve 392 of the grinding mechanism 39 in a one-to-one correspondence manner, then the motor 32 is started, the driven bevel gear 36 inside the operation frame 31 rotates to drive the rotating shaft 391 installed on the driven bevel gear 36 to rotate, the first grinding bevel gear 393 and the second grinding bevel gear 394 arranged on the rotating shaft 391 are matched with each other to drive the auxiliary connecting rod 395 to rotate, then the electric push rod 397 is started, the output end of the electric push rod 397 pushes the grinding rod 396 to extend out, the grinding rod 396 cuts off large residual pieces on the ventilation aperture of the boiler hood, then the grinding rod 396 extends into the ventilation aperture to rotate and grind, the boiler hood after casting molding is subjected to secondary finish machining, the standard reaching rate of products is greatly improved, and the production yield of the products is further increased, after polishing is completed, the cylinder 382 retracts, the electric push rod 397 retracts, the motor 32 stops rotating, the locking mechanism 38 is loosened, the fixing device 2 is taken out and placed on the boiler hood collection box, and the butterfly nut 238 is rotated so that the arc-shaped clamp 235 loosens the boiler hood and enables the boiler hood to fall into the boiler hood collection box.
The working steps of the invention during use are as follows:
the first step is as follows: the boiler air caps are correspondingly placed into the round holes formed in the fixing plate one by one, the clamping mechanism 23 fixes the boiler air caps, and the fixing device 2 is moved to the polishing device 3 and fixed through the locking mechanism 38;
the second step is that: the gears inside the operation frame 31 rotate in a mutual meshing mode to drive the grinding mechanism 39 to grind in the ventilation aperture of the boiler hood;
the third step: after polishing, the fixing device 2 is moved to the boiler hood collecting box, and the clamping mechanism 23 is loosened to enable the boiler hood to fall into the collecting box.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A post-processing treatment device for a boiler hood after casting molding comprises a bottom plate (1), a fixing device (2) and a polishing device (3), wherein the polishing device (3) is installed on the bottom plate (1), and the fixing device (2) is arranged on the polishing device (3) in a clamping manner;
the fixing device (2) comprises a fixing plate, fixing handles (22) and clamping mechanisms (23), the fixing plate is of a hollow structure, round holes are formed in the fixing plate at equal intervals, the fixing handles (22) are symmetrically arranged on the left side and the right side of the fixing plate, the clamping mechanisms (23) are arranged in the fixing plate, and the fixing plate is connected with the polishing device (3) in a clamping manner;
the clamping mechanism (23) comprises a connecting rod (231), a fixing rod (232), a first stretching rod (233), a second stretching rod (234), an arc-shaped clamp (235), a third stretching rod (236), a special-shaped bolt (237), a butterfly nut (238), a sliding block (239) and cylindrical blocks (230), wherein grooves are uniformly formed in the circumferential direction of the circular holes, the sliding block (239) is installed in each groove in a sliding mode, the cylindrical blocks (230) are installed at the upper ends of the sliding blocks (239), the cylindrical blocks (230) are hinged through the connecting rod (231), the fixing blocks are installed between the connecting rods (231) in a sliding mode, the fixing rod (232) is installed between the fixing blocks, the arc-shaped clamp (235) is arranged on the fixing rod (232), the first stretching rods (233) are hinged to the cylindrical blocks (230) at the leftmost end and the rightmost end of the fixing plate, the first stretching rods (233) are connected through the second stretching rod (234), a third stretching rod (236) is arranged on the second stretching rod (234), the rightmost end of the third stretching rod (236) is connected with a special-shaped bolt (237) in a rotating mode, the special-shaped bolt (237) penetrates through the fixing plate and is connected with a butterfly nut (238) in a threaded mode, the butterfly nut (238) is arranged on the outer side of the fixing plate in a rotating mode, and a spring is sleeved on the special-shaped bolt (237);
the polishing device (3) comprises an operation frame (31), a motor (32), a driving bevel gear (33), a driven bevel gear (36), a support plate (37), a locking mechanism (38) and a polishing mechanism (39), wherein the operation frame (31) is of a hollow structure, the operation frame (31) is installed on the bottom plate (1), the support plates (37) are installed in the middle parts of the inner walls of the left side and the right side of the operation frame (31), the driven bevel gears (36) with equal intervals are installed on the support plates (37), the driven bevel gears (36) are mutually meshed along the central line, the driving bevel gear (33) is connected to the driven bevel gear (36) at the leftmost end in an equal interval mode in a meshing mode, the driving bevel gear (33) is fixed on an output shaft of the motor (32), an output shaft of the motor (32) rotates to penetrate through the outer wall of the operation frame (31), and the motor (32) is fixed on the outer wall of the operation frame (31), the driven bevel gear (36) is provided with a grinding mechanism (39), and the left end and the right end of the operation frame (31) are symmetrically provided with locking mechanisms (38).
2. The boiler hood cast-molding post-processing equipment according to claim 1, characterized in that: locking mechanism (38) include support frame (381), cylinder (382) and U-shaped slider (383), and support frame (381) are installed to operation frame (31) upper end bilateral symmetry, install U-shaped slider (383) through gliding mode in the inboard of support frame (381), and the upper end of U-shaped slider (383) is fixed on the output shaft of cylinder (382), and the upper end at support frame (381) is installed in cylinder (382), and the output shaft of cylinder (382) slides and runs through support frame (381) and links to each other with U-shaped slider (383).
3. The boiler hood cast-molding post-processing equipment according to claim 1, characterized in that: the grinding mechanism (39) comprises a rotating shaft (391), a sleeve (392), a first grinding bevel gear (393), a second grinding bevel gear (394), an auxiliary connecting rod (395), a grinding rod (396) and an electric push rod (397), wherein the sleeve (392) is installed at the upper end of the operation frame (31) at equal intervals, the inside of the sleeve (392) is of a hollow structure, the rotating shaft (391) is installed inside the sleeve (392) in a rotating mode, the lower end of the rotating shaft (391) is fixed on the driven bevel gear (36), the first grinding bevel gear (393) is installed at the top end of the rotating shaft (391) at equal intervals through a bearing, the first grinding bevel gear (393) is connected with the second grinding bevel gear (394) in a meshing mode, the second grinding bevel gear (394) is provided with the auxiliary connecting rod (395), the auxiliary connecting rod (395) is of a hollow structure, and the electric push rod (397) is installed inside the auxiliary connecting rod (395), the output end of the electric push rod (397) is provided with a polishing rod (396), and the polishing rod (396) is arranged inside the auxiliary connecting rod (395) in a sliding mode.
4. The boiler hood cast-molding post-processing equipment according to claim 3, characterized in that: the rotating shaft (391) arranged on the driven bevel gear (36) is in the same straight line with the sleeve (392).
5. The boiler hood cast-molding post-processing equipment according to claim 1, characterized in that: a circular groove is formed in the right end of the third stretching rod (236), a circular block is arranged at the left end of the special-shaped bolt (237), the circular block is arranged in the circular groove and attached to the circular groove, and the special-shaped bolt (237) is connected with the third stretching rod (236) in a rotating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011000731.8A CN111993181B (en) | 2020-09-22 | 2020-09-22 | Boiler hood casting post-processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011000731.8A CN111993181B (en) | 2020-09-22 | 2020-09-22 | Boiler hood casting post-processing equipment |
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| Publication Number | Publication Date |
|---|---|
| CN111993181A CN111993181A (en) | 2020-11-27 |
| CN111993181B true CN111993181B (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011000731.8A Active CN111993181B (en) | 2020-09-22 | 2020-09-22 | Boiler hood casting post-processing equipment |
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| Country | Link |
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| CN (1) | CN111993181B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040038587A (en) * | 2002-11-27 | 2004-05-08 | 김명진 | Tool grinding machine |
| CN102632389A (en) * | 2012-04-28 | 2012-08-15 | 浙江金瑞五金索具有限公司 | Automatic machining device for milling and bending moulding for spring hook |
| CN105598804A (en) * | 2015-10-30 | 2016-05-25 | 广东凌丰家居用品有限公司 | Multi-station linear polisher system |
| CN105598800A (en) * | 2016-03-03 | 2016-05-25 | 浙江乔兴建设集团湖州智能科技有限公司 | BGA (ball grid array) solder ball surface smoothing device |
| CN109551321A (en) * | 2018-12-20 | 2019-04-02 | 象山谢海家具有限公司 | A kind of annular attachment inside and outside wall grinding apparatus |
-
2020
- 2020-09-22 CN CN202011000731.8A patent/CN111993181B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040038587A (en) * | 2002-11-27 | 2004-05-08 | 김명진 | Tool grinding machine |
| CN102632389A (en) * | 2012-04-28 | 2012-08-15 | 浙江金瑞五金索具有限公司 | Automatic machining device for milling and bending moulding for spring hook |
| CN105598804A (en) * | 2015-10-30 | 2016-05-25 | 广东凌丰家居用品有限公司 | Multi-station linear polisher system |
| CN105598800A (en) * | 2016-03-03 | 2016-05-25 | 浙江乔兴建设集团湖州智能科技有限公司 | BGA (ball grid array) solder ball surface smoothing device |
| CN109551321A (en) * | 2018-12-20 | 2019-04-02 | 象山谢海家具有限公司 | A kind of annular attachment inside and outside wall grinding apparatus |
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| Publication number | Publication date |
|---|---|
| CN111993181A (en) | 2020-11-27 |
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Effective date of registration: 20220510 Address after: 272202 mamiao Industrial Park (Shaozhuang village, mamiao town), Jinxiang County, Jining City, Shandong Province Applicant after: Jining Tianzhong Machinery Co.,Ltd. Address before: 621000 No. 166, mianxing West Road, high tech Zone, Fucheng District, Mianyang City, Sichuan Province Applicant before: Huang Rongsheng |
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