CN115138923A - Scraper mechanism in evaporator - Google Patents
Scraper mechanism in evaporator Download PDFInfo
- Publication number
- CN115138923A CN115138923A CN202210914069.XA CN202210914069A CN115138923A CN 115138923 A CN115138923 A CN 115138923A CN 202210914069 A CN202210914069 A CN 202210914069A CN 115138923 A CN115138923 A CN 115138923A
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- scraper
- adjusting
- groove
- scraping
- scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
- B23D79/02—Machines or devices for scraping
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The application discloses a scraper mechanism in an evaporator, which comprises a connecting rod, wherein a cutter holder is arranged at one end of the connecting rod; the cutter holder is provided with a plurality of cutter grooves, scrapers are arranged in the cutter grooves, and the distance between the cutting edge of each scraper and the surface to be scraped is reduced in sequence along the scraping direction; an adjusting device for adjusting the distance between the cutting edge of the scraper and the surface to be scraped is also arranged between each cutter groove and the scraper; compared with the prior art, the scraper has the advantages that the height difference is formed among the scrapers, so that the partition operation of the scrapers is realized, the workload and the scraping resistance of the scrapers are reduced, and the protection of the cutter is improved; meanwhile, a mode of scraping a small amount of scaling substances difficult to strip is realized for many times, and the cracking caused by the scaling substances difficult to strip can be effectively prevented; the high-position scraper has a cutter supplementing effect on the operation area of the low-position scraper, so that the scraping quality is further improved; the purpose can be realized through simple difference in height setting, its simple structure, and control is convenient.
Description
Technical Field
The application relates to the technical field of low-temperature drying equipment, in particular to a scraper mechanism in an evaporator.
Background
A scraper evaporator is a novel evaporator suitable for high-viscosity, heat-sensitive, easily crystallized and scaled materials, and mainly comprises a heating jacket and scrapers, wherein heating steam is introduced into the jacket, the scrapers are arranged on a rotatable shaft, a small gap is kept between the scrapers and the inner wall of the heating jacket, usually 0.5-1.5 mm, feed liquid is preheated and then added from the upper part of the evaporator along the tangential direction, the feed liquid is distributed on the inner wall to form a down-spinning film under the action of gravity and the rotating scrapers, the down-spinning film is continuously evaporated and concentrated in the descending process, finished liquid is discharged from the bottom, secondary steam escapes from the top, the evaporator can evaporate the solution to dryness, and solids are directly obtained at the bottom.
In the prior art, in order to ensure that materials with high viscosity, heat sensitivity and easy crystallization/scaling can fall off from the inner wall in time in the evaporation process instead of being adhered or attached to the inner wall, a rotating shaft is generally arranged in an evaporation box and provided with a scraping mechanism, and the materials attached to the inner wall of a box body are scraped to the bottom by the rotation of the scraping mechanism, so that the heat transfer effect of the box body is ensured and the scaling problem is avoided; however, in the prior art, the cutting edge of the scraping mechanism is seriously abraded, needs to be overhauled and replaced after being shut down periodically, not only has high maintenance cost, but also seriously influences the efficiency of continuous production.
Disclosure of Invention
The main purpose of this application is to provide a scraper mechanism in an evaporator, which aims at solving the serious abrasion defect existing in the prior art.
In order to achieve the purpose, the application provides a scraper mechanism in an evaporator, which comprises a connecting rod, wherein a cutter holder is arranged at one end of the connecting rod; the tool apron is provided with a plurality of tool grooves, scrapers are arranged in the tool grooves, and the distance between the cutting edge of each scraper and the surface to be scraped is reduced in sequence along the scraping direction of the scrapers; and an adjusting device used for adjusting the distance between the cutting edge of the scraper and the surface to be scraped is also arranged between each cutter groove and the scraper.
Optionally, the adjusting device includes a plurality of groups of adjusting grooves and adjusting blocks, each adjusting groove is symmetrically arranged on two side walls of the cutter groove, each adjusting block is symmetrically arranged on two sides of the scraper, and each adjusting block adjusts the position of the scraper by being inserted into a different adjusting groove.
Optionally, the cross sections of the adjusting groove and the adjusting block are in a T-shaped or dovetail-shaped structure.
Optionally, along the scraping direction of the scraper, the top of each knife groove is a knife outlet, the side wall of each knife groove is provided with an installation opening, and the side wall of the knife holder is further provided with a blocking block for blocking the installation opening.
Optionally, a plurality of plugs are arranged on the blocking block, and each plug is inserted into each tool slot from each mounting hole.
Optionally, a limiting plate is arranged at the top of the cutter holder, a plurality of cutter outlets respectively matched with the scrapers are arranged on the limiting plate, and limiting blocks abutted against the limiting plate are arranged on two sides of each scraper.
Optionally, the adjusting device comprises an adjusting pad, and the adjusting pad is arranged between the scraper and the knife groove bottom surface.
Optionally, the adjusting pad comprises a base, a sealing cover and a sliding block, the sliding block is inserted into the base in a sliding manner, the sealing cover is connected with the base, and a step surface abutted against the sealing cover is further arranged on the sliding block; the base is also filled with an adjustment bladder 1305.
Optionally, the sliding block is provided with an installation groove adapted to the scraper.
Compared with the prior art, the method has the following beneficial effects:
the tool rest comprises a connecting rod, wherein a tool rest is arranged at one end of the connecting rod; the tool apron is provided with a plurality of tool grooves, scrapers are arranged in the tool grooves, and the distance between the cutting edge of each scraper and the surface to be scraped is reduced in sequence along the scraping direction; and an adjusting device used for adjusting the distance between the cutting edge of the scraper and the surface to be scraped is also arranged between each cutter groove and the scraper.
When the scraper mechanism is used, the scraper mechanism is arranged on a rotating shaft in an evaporation box through a connecting rod, a plurality of scrapers are arranged on a cutter holder, the distance between the cutting edge of each scraper and a surface to be scraped is sequentially reduced along the scraping direction of the scrapers, and the scraper with the lowest cutting edge is positioned at the foremost end, so that in the process that the cutter holder rotates along with the rotation of the rotating shaft, the scraper with the lowest cutting edge is contacted with the surface layer of the surface to be scraped, and the rest scrapers are gradually contacted with the surface to be scraped after the previous scraper is processed, and the scraping operation is finished;
compared with the prior art, the method has the advantages that the height difference is formed among the cutting edges, so that the cutting edges are skillfully contacted with different parts of the surface to be scraped, and the partition operation of each scraper is realized; on one hand, the partition operation setting divides the operation amount of one scraper into a plurality of scrapers, so that the operation amount of each scraper is reduced, and the abrasion speed of the scrapers is further reduced; on the other hand, the arrangement can effectively reduce the thickness of materials scraped by a single scraper, thereby reducing the movement resistance of the scraper, avoiding the occurrence of opening breakage caused by overlarge external resistance, improving the protection of the scraper and further reducing the abrasion of the scraper;
for scraping part of scaling substances difficult to strip, the scraping mechanism starts to operate from the outermost side with the lowest scraping difficulty, and the scraping depth of the scraping mechanism is continuously deep along with the rotation of the cutter, so that the sequential scraping operation is divided into a plurality of times of small-amount scraping operations, the scraping difficulty can be greatly reduced, the scraping effect is improved, and the damage of the scaling substances difficult to strip to the cutter is avoided;
in addition, in two adjacent scrapers, when the scraper with the lower cutting edge appears in a scraping leakage area, the scraper with the higher cutting edge behind the scraper can repair the area, so that the scraping quality is improved; meanwhile, in the structure, the area corresponding to the scraper with the lowest cutting edge is subjected to cutter supplementing operation by a plurality of scrapers, so that the material scraping effect is further improved; meanwhile, the working pressure of the scraper with the highest cutting edge can be effectively reduced, and the scraping effect of the cutter is improved.
This application can realize above-mentioned purpose through simple discrepancy in elevation setting, and its simple structure, control is convenient, and is with low costs to the transformation of current evaporation equipment, and the reliability is high, is favorable to the popularization and application of equipment.
Drawings
Fig. 1 is a schematic structural view of a scraper mechanism in an evaporator provided in embodiment 1 of the present application;
fig. 2 is a schematic top view of a scraper mechanism in an evaporator according to embodiment 1 of the present application;
FIG. 3 isbase:Sub>A schematic sectional view taken along line A-A;
fig. 4 is a schematic structural view of a scraper mechanism in an evaporator according to embodiment 2 of the present application;
fig. 5 is a schematic view of a conditioner mat structure according to embodiment 3 of the present application;
FIG. 6 is a schematic diagram of the operation of a scraper mechanism in an evaporator provided by the present application;
reference numerals: the method comprises the following steps of 1-connecting rod, 2-tool apron, 3-tool groove, 4-scraper, 5-adjusting groove, 6-adjusting block, 7-tool outlet, 8-mounting opening, 9-blocking block, 10-plug, 11-limiting plate, 12-limiting block, 13-adjusting pad, 1301-base, 1302-sealing cover, 1303-sliding block, 1304-step surface, 1305-adjusting air bag and 1306-mounting groove.
The implementation, functional features and advantages of the object of the present application will be further explained with reference to the embodiments, and with reference to the accompanying drawings.
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 obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 3, as an optional embodiment of the present application, the present embodiment discloses a scraper mechanism in an evaporator, which includes a connecting rod 1, a blade holder 2 is disposed at one end of the connecting rod 1, and the blade holder 2 and the connecting rod 1 may be fixedly connected by a screw or may be an integrated structure;
a plurality of cutter grooves 3 are formed in the cutter holder 2, and the cutter grooves 3 are sequentially arranged side by side along the scraping direction of the scraping plate mechanism; the cross section of the cutter groove 3 is of a U-shaped structure, the top of the cutter groove is provided with a cutter outlet 7, and one side of the cutter groove 3 is provided with an installation opening 8; meanwhile, a blocking block 9 is arranged on the side surface of the tool apron 2, and the blocking block 9 is connected with the tool apron 2 through a connecting lug plate and a connecting bolt; the plugging block 9 is also provided with a plurality of plugs 10, and each plug 10 is inserted into each knife groove 3 from each mounting hole 8 and is tightly propped against the scraper 4, so that the scraper 4 is laterally fixed;
an adjusting device is further arranged between each group of the cutter grooves 3 and the scrapers 4 which correspond to each other, the adjusting device comprises a plurality of groups of adjusting grooves 5 and adjusting blocks 6, each adjusting groove 5 is symmetrically arranged on two side walls of the cutter groove 3, and each adjusting block 6 is symmetrically arranged on two sides of the scraper 4;
during installation, the blocking block 9 and the tool apron 2 are separated from each other, the scrapers 4 are inserted into the tool grooves 3 from the installation openings 8 on the side surfaces of the tool apron 2, and meanwhile, the adjusting blocks 6 are correspondingly inserted into the adjusting grooves 5 respectively, so that the scrapers 4 are connected with the tool apron 2 in an inserted manner; after the scraper 4 is installed, inserting each plug 10 into the corresponding cutter groove 3, and tightly abutting the scraper 4, thereby completing the assembly of the scraper mechanism;
in the structure, the scraper 4 and the cutter holder 2 can be quickly connected in an inserting manner, the connecting manner is simple, different scrapers 4 can be conveniently replaced according to needs, and meanwhile, the maintenance difficulty is reduced; secondly, the height of the cutting edge of the scraper 4 is adjusted by controlling the adjusting block 6 to be matched with the adjusting grooves 5 with different heights, the adjusting mode is simple, the height difference of the cutting edge between any two adjacent scrapers 4 can be equal or unequal in the adjusting process, and the specific height difference is determined according to the actual working condition, so that the combination mode of the scrapers 4 is further enriched, and the scraping operation of different materials can be better adapted;
under the condition that the cutting edge of the scraper 4 is abraded, the height of the cutting edge of the scraper 4 can be adjusted by matching different adjusting grooves 5, so that the cutter is repeatedly utilized, and the service life of the scraper 4 is further prolonged;
meanwhile, the regulation groove 5 and the regulation block 6 are mutually abutted and occluded, so that the limitation in the direction of the knife outlet 7 can be realized, and the installation stability of the scraper 4 is improved; in order to further improve the stability of the connection between the adjusting groove 5 and the adjusting block 6, the adjusting groove 5 is in a T-shaped or dovetail-shaped structure;
Referring to fig. 4, as an optional embodiment of the present application, the present embodiment discloses a scraper mechanism in an evaporator, which includes a connecting rod 1, a knife holder 2 is disposed at one end of the connecting rod 1, and the knife holder 2 and the connecting rod 1 may be fixedly connected by a screw, or may be an integrated structure;
the scraper knife comprises a knife holder 2, and is characterized in that a plurality of knife grooves 3 are formed in the knife holder 2, the top of each knife groove 3 is of an open structure and used for being inserted with a scraper 4, the top of the knife holder 2 is connected with a limiting plate 11 through a bolt, a plurality of knife outlets 7 are formed in the limiting plate 11, the knife outlets 7 correspond to the knife grooves 3 in a one-to-one mode, a limiting block 12 is arranged at the bottom of the scraper 4, and after the scraper knife holder is installed, the top of the limiting block 12 is abutted against and attached to the bottom surface of the limiting plate 11, so that the scraper 4 is limited;
meanwhile, each cutter groove 3 is internally provided with an adjusting device which is an adjusting pad 13, the adjusting pad 13 can be an integral metal block, and the height of the adjusting pad is determined according to the requirement; an installation groove 1306 is formed in the top of the adjusting pad 13, and during installation, the bottom of the scraper 4 is inserted into the installation groove 1306, so that the adjusting pad 13 and the scraper 4 can be connected quickly.
Referring to fig. 4 and 5, as another alternative embodiment of the present application, the present embodiment discloses a scraper mechanism in an evaporator, which includes a connecting rod 1, a blade holder 2 is disposed at one end of the connecting rod 1, and the blade holder 2 and the connecting rod 1 may be fixedly connected by a screw or may be an integrated structure;
the tool apron 2 is provided with a plurality of tool grooves 3, the top of each tool groove 3 is of an open structure for inserting the scraper 4, the top of the tool apron 2 is connected with a limiting plate 11 through a bolt, the limiting plate 11 is provided with a plurality of tool outlets 7, the tool outlets 7 correspond to the tool grooves 3 in a one-to-one manner, the bottom of the scraper 4 is provided with a limiting block 12, and after the installation is completed, the top of the limiting block 12 is abutted against and attached to the bottom surface of the limiting plate 11, so that the scraper 4 is limited;
meanwhile, an adjusting device is arranged in each knife slot 3, the adjusting device is an adjusting pad 13, the adjusting pad 13 comprises a base 1301, a sealing cover 1302 and a slider 1303, a sliding groove is arranged on the base 1301, an adjusting air bag 1305 is filled at the bottom of the sliding groove, the slider 1303 is arranged in the sliding groove in a sliding manner, the bottom of the slider 1303 is abutted against the top of the adjusting air bag 1305, a step surface 1304 is further arranged on the slider 1303, and the step surface 1304 is abutted against the bottom surface of the sealing cover 1302 to limit the slider 1303; one end of the slider 1303 protrudes out of the base 1301, and is provided with a mounting groove 1306, and the bottom of the scraper 4 is inserted into the mounting groove 1306.
The flexibility of the scraper can be effectively improved by adjusting the arrangement of the air bag, and the scraper can timely give way to part of scaling substances which are difficult to strip in the material scraping process, so that the occurrence of cracking is avoided, and the protection of the scraper is improved; simultaneously compare with buffer element such as spring, its space that occupies is littleer, is applicable to the application in the narrow and small space, adjusts the gasbag simultaneously and can to the whole bottom contact of slider to the atress homogeneity of slider has been improved greatly.
When the scraper mechanism is used, the scraper mechanism is arranged on a rotating shaft in an evaporation box through a connecting rod, as shown in fig. 6, a plurality of scrapers are arranged on a cutter holder, the distance between the cutting edge of each scraper and a surface to be scraped is sequentially reduced along the scraping direction of the scrapers, and the scraper with the lowest cutting edge is positioned at the forefront end, so that in the process that the cutter holder rotates along with the rotation of the rotating shaft, the scraper with the lowest cutting edge is firstly contacted with the surface layer of the surface to be scraped, and the rest scrapers are gradually contacted with the surface to be scraped after the previous scraper is processed, and the scraping operation is finished;
compared with the prior art, the method has the advantages that the height difference is formed among the cutting edges, so that the cutting edges are skillfully contacted with different parts of the surface to be scraped, and the partition operation of each scraper is realized; on one hand, the partition operation setting divides the operation amount of one scraper into a plurality of scrapers, so that the operation amount of each scraper is reduced, and the abrasion speed of the scrapers is further reduced; on the other hand, the arrangement can effectively reduce the thickness of materials scraped by a single scraper, thereby reducing the movement resistance of the scraper, avoiding the occurrence of opening breakage caused by overlarge external resistance, improving the protection of the scraper and further reducing the abrasion of the scraper;
for scraping part of scaling substances difficult to strip, the scraping mechanism starts to operate from the outermost side with the lowest scraping difficulty, and the scraping depth of the scraping mechanism is continuously deep along with the rotation of the cutter, so that the sequential scraping operation is divided into a plurality of times of small-amount scraping operations, the scraping difficulty can be greatly reduced, the scraping effect is improved, and the damage of the scaling substances difficult to strip to the cutter is avoided;
in addition, in two adjacent scrapers, when the scraper with the lower cutting edge appears in a scraping leakage area, the scraper with the higher cutting edge behind the scraper can repair the area, so that the scraping quality is improved; meanwhile, in the structure, the area corresponding to the scraper with the lowest cutting edge is subjected to cutter supplementing operation by a plurality of scrapers, so that the material scraping effect is further improved; meanwhile, the working pressure of the scraper with the highest cutting edge can be effectively reduced, and the scraping effect of the cutter is improved.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.
Claims (9)
1. The scraper mechanism in the evaporator is characterized by comprising a connecting rod (1), wherein a cutter holder (2) is arranged at one end of the connecting rod (1); the tool apron (2) is provided with a plurality of tool grooves (3), scrapers (4) are arranged in the tool grooves (3), and the distance between the cutting edge of each scraper (4) and the surface to be scraped is reduced in sequence along the scraping direction of the scrapers (4); and an adjusting device for adjusting the distance between the cutting edge of the scraper (4) and the surface to be scraped is also arranged between each cutter groove (3) and the scraper (4).
2. The scraping mechanism in an evaporator according to claim 1, characterized in that the adjusting device comprises a plurality of sets of adjusting grooves (5) and adjusting blocks (6), each adjusting groove (5) is symmetrically arranged on two side walls of the knife groove (3), each adjusting block (6) is symmetrically arranged on two sides of the scraper (4), and each adjusting block (6) adjusts the position of the scraper (4) by being inserted into a different adjusting groove (5).
3. A scraper mechanism in an evaporator according to claim 2, characterized in that the cross-section of the adjusting groove (5) and the adjusting block (6) is of a T-shaped or dovetail structure.
4. A scraper mechanism in an evaporator according to claim 2, characterized in that the top of each knife groove (3) is a knife outlet (7), the side wall of each knife groove is provided with a mounting opening (8), and the side wall of the knife holder (2) is further provided with a blocking block (9) for sealing the mounting opening (8).
5. The scraper mechanism in an evaporator as claimed in claim 4, wherein said block (9) is provided with a plurality of plugs (10), and each plug (10) is inserted into each knife slot (3) from each mounting hole (8).
6. The scraping plate mechanism in the evaporator as claimed in claim 1, wherein a limiting plate (11) is disposed on top of the knife holder (2), a plurality of knife outlets (7) adapted to the scrapers (4) are disposed on the limiting plate (11), and a limiting block (12) abutted against the limiting plate (11) is disposed on two sides of each scraper (4).
7. A scraper mechanism in an evaporator according to claim 6, characterized in that the adjusting device comprises an adjusting pad (13), the adjusting pad (13) being arranged between the scraper (4) and the bottom surface of the blade groove (3).
8. The scraper mechanism in evaporator as claimed in claim 7, wherein said adjusting pad (13) comprises a base (1301), a sealing cover (1302) and a slider (1303), said slider (1303) is slidably inserted into said base (1301), said sealing cover (1302) is connected to said base (1301), said slider (1303) is further provided with a step surface (1304) abutting against said sealing cover (1302); the base (1301) is also filled with a regulating balloon 1305.
9. Scraper mechanism in evaporator according to claim 8, characterized in that the slide block (1303) is provided with a mounting groove (1306) adapted to the scraper (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210914069.XA CN115138923B (en) | 2022-07-28 | 2022-07-28 | Scraper mechanism in evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210914069.XA CN115138923B (en) | 2022-07-28 | 2022-07-28 | Scraper mechanism in evaporator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115138923A true CN115138923A (en) | 2022-10-04 |
| CN115138923B CN115138923B (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210914069.XA Active CN115138923B (en) | 2022-07-28 | 2022-07-28 | Scraper mechanism in evaporator |
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| CN (1) | CN115138923B (en) |
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| CN108526568A (en) * | 2018-05-28 | 2018-09-14 | 黄天回 | Slotting tool for highly-efficient processing keyway |
| CN208328550U (en) * | 2018-04-04 | 2019-01-04 | 广东华泰纸业有限公司 | One kind scraping water cutter device |
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| CN111631252A (en) * | 2020-04-27 | 2020-09-08 | 浙江省海洋开发研究院 | Sea cucumber processing device |
| CN211516702U (en) * | 2020-01-19 | 2020-09-18 | 中北大学 | Machine tool cutter clamp |
| CN212019526U (en) * | 2020-04-24 | 2020-11-27 | 长春莱斯特汽车零部件有限公司 | Counter boring device for modified screw hole of rocker drill |
| CN112824027A (en) * | 2019-11-20 | 2021-05-21 | 湖南工业大学 | Device for removing open fire during cutting of sheet metal part |
| CN213614192U (en) * | 2020-09-27 | 2021-07-06 | 成都岷江精密刀具有限公司 | Tool for machining automobile engine belt pulley |
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2022
- 2022-07-28 CN CN202210914069.XA patent/CN115138923B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208328550U (en) * | 2018-04-04 | 2019-01-04 | 广东华泰纸业有限公司 | One kind scraping water cutter device |
| CN108526568A (en) * | 2018-05-28 | 2018-09-14 | 黄天回 | Slotting tool for highly-efficient processing keyway |
| CN112824027A (en) * | 2019-11-20 | 2021-05-21 | 湖南工业大学 | Device for removing open fire during cutting of sheet metal part |
| CN211360811U (en) * | 2019-11-29 | 2020-08-28 | 安徽威亚机械制造有限公司 | Keyway planer knife rest and keyway planer that contains this knife rest |
| CN211516702U (en) * | 2020-01-19 | 2020-09-18 | 中北大学 | Machine tool cutter clamp |
| CN212019526U (en) * | 2020-04-24 | 2020-11-27 | 长春莱斯特汽车零部件有限公司 | Counter boring device for modified screw hole of rocker drill |
| CN111631252A (en) * | 2020-04-27 | 2020-09-08 | 浙江省海洋开发研究院 | Sea cucumber processing device |
| CN213614192U (en) * | 2020-09-27 | 2021-07-06 | 成都岷江精密刀具有限公司 | Tool for machining automobile engine belt pulley |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115138923B (en) | 2023-03-21 |
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