CN113565944B - High-strength plastic gear and preparation process thereof - Google Patents

High-strength plastic gear and preparation process thereof Download PDF

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Publication number
CN113565944B
CN113565944B CN202110857151.9A CN202110857151A CN113565944B CN 113565944 B CN113565944 B CN 113565944B CN 202110857151 A CN202110857151 A CN 202110857151A CN 113565944 B CN113565944 B CN 113565944B
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Prior art keywords
arc
disc
gear
shaped
strength plastic
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CN113565944A (en
Inventor
刘小中
刘旭
黄块才
黄德强
刘勇明
戴灿阳
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Zhongshan Jijia Transmission Technology Co ltd
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Zhongshan Jijia Transmission Technology Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/12—Toothed members; Worms with body or rim assembled out of detachable parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/17—Toothed wheels

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Gears, Cams (AREA)

Abstract

The invention discloses a high-strength plastic gear and a preparation process thereof, wherein the high-strength plastic gear comprises a fixed fluted disc, an assembly disc and a combined toothed ring, the combined toothed ring is fixedly sleeved on the outer surface of the assembly disc, the fixed fluted disc is fixedly arranged at the middle position of the outer surface of the side edge of the assembly disc, the fixed fluted disc and the assembly disc are in butt joint and fixed through a splicing inserted link, and the combined toothed ring and the assembly disc are in butt joint and fixed through an arc-shaped clamping block; when the single tooth on this high strength plastic gear appears damaging, the user can carry out the individual change to the combination ring gear, and the material quantity of combination ring gear is less than the material quantity of whole gear structure for the combination ring gear has lower manufacturing cost, when high strength plastic gear appears damaging, can be under the circumstances that does not influence gear strength, change alone its tooth structure, thereby effectively reduce the use cost of this high strength plastic gear.

Description

High-strength plastic gear and preparation process thereof
Technical Field
The invention belongs to the technical field of plastic gears, and particularly relates to a high-strength plastic gear and a preparation process thereof.
Background
The plastic gear is one of the gears, the material of the plastic gear is plastic, the gears are mutually meshed toothed mechanical parts, the plastic gear has extremely wide application in the mechanical transmission and the whole mechanical field, and the plastic gears are divided into the following types: spur gears, helical gears, worm gears, crown gears, bevel gears, planetary gears, tooth boxes, damping gears, involute gears, cycloidal gears, circular arc gears and other modulus gears with various sizes.
The patent document of the patent number CN205978338U discloses a high-strength plastic gear, which comprises a main body shaft and an outer gear ring arranged on the periphery of the main body shaft, wherein a central hole is formed in the main body shaft, the main body shaft comprises an outer ring for arranging the outer gear ring and an inner ring for forming the central hole, the outer ring and the inner ring are connected through an annular framework ring, the annular framework ring comprises an outer connecting part connected with the outer ring and an inner connecting part connected with the inner ring, the outer connecting part and the inner connecting part are connected through a reinforcing bridge plate, the outer wall of the outer connecting part is arc-shaped, the radian of the outer wall of the outer connecting part is pi/2, and the outer wall of the inner connecting part is arc-shaped.
The existing high-strength plastic gear has certain defects in the using process, and the traditional high-strength plastic gear is manufactured by an injection molding mode, so that when the tooth structure of the traditional high-strength plastic gear is damaged, the whole high-strength plastic gear needs to be replaced, the using cost of the high-strength plastic gear is increased, and the replacement difficulty is high; meanwhile, the traditional high-strength plastic gear does not have a multiple splicing structure, and the high-strength plastic gear is manufactured by adopting an integrated forming process during processing, so that two gears with different parameters cannot be mutually matched for use, the flexibility of the high-strength plastic gear during use is reduced, and certain adverse effects are brought to a user.
Disclosure of Invention
The invention aims to provide a high-strength plastic gear and a preparation process thereof, which can solve the existing problems.
The invention solves the problems that:
1. the traditional high-strength plastic gear is integrally formed in an injection molding mode, when the part of the high-strength plastic gear is damaged, the whole high-strength plastic gear needs to be replaced, and the use cost of the high-strength plastic gear is increased;
2. the traditional high-strength plastic gear does not have a multiple splicing structure, so that the traditional high-strength plastic gear cannot be matched with gears with different parameters for use, and the flexibility of the traditional high-strength plastic gear in use is reduced.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a high strength plastic gear, includes fixed fluted disc, equipment dish and combination ring gear, the fixed surface that cup joints at the equipment dish of combination ring gear, fixed fluted disc fixed mounting has the side surface middle part position of equipment dish, it is fixed through the butt joint of concatenation inserted bar between fixed fluted disc and the equipment dish, it is fixed through the butt joint of arc fixture block between combination ring gear and the equipment dish.
As a further technical scheme of the invention, four groups of arc clamping grooves for butt joint of the arc clamping blocks are formed in the outer surface of the assembly disc at equal intervals, a first through hole for butt joint of the splicing inserting rod is formed in one side, close to the arc clamping grooves, of the outer surface of the assembly disc, when the assembly disc is subjected to gear assembly operation, the fixing operation between the combined toothed ring and the assembly disc can be completed by means of the arrangement of the arc clamping blocks, meanwhile, the fixing operation between the assembly disc and the fixed toothed disc can be completed by inserting four splicing inserting rods between the assembly disc and the fixed toothed disc, and when a single gear structure is damaged, the fixing operation between the fixed toothed disc and the combined toothed ring can be timely carried out by means of the arrangement of the splicing inserting rods and the arc clamping blocks.
As a further technical scheme of the invention, the middle parts of the outer surfaces of the assembling disc and the fixed fluted disc are respectively provided with a second through hole in a penetrating way, the side edges of the arc-shaped clamping grooves are of arc-shaped structures, and the assembling disc and the fixed fluted disc can be conveniently installed when the gear is used by utilizing the arrangement of the second through holes.
As a further technical scheme of the invention, the first arc-shaped strip is fixedly arranged on the outer surface of the upper part of the arc-shaped clamping block, the second arc-shaped strip is fixedly arranged on the outer surface of the bottom of the arc-shaped clamping block, the outer surfaces of the second arc-shaped strip and the first arc-shaped strip are arc-shaped structures, the inner side of the arc-shaped clamping groove is provided with a clamping groove for butting the second arc-shaped strip with the first arc-shaped strip, and the butting between the arc-shaped clamping block and the arc-shaped clamping groove can be fixed by utilizing the arrangement of the second arc-shaped strip and the first arc-shaped strip, so that the falling phenomenon of the arc-shaped clamping block after the arc-shaped clamping block is inserted is avoided.
As a further technical scheme of the invention, the arc-shaped snap rings are arranged on the outer surfaces of the side edges of the spliced inserting rod, the number of the arc-shaped snap rings is two, and by utilizing the arrangement of the two groups of arc-shaped snap rings, the spliced inserting rod can be assisted and fixed when the assembling disc is in butt joint with the fixed fluted disc, so that the phenomenon that the spliced inserting rod falls off after being inserted is avoided, and meanwhile, the resistance of the arc-shaped snap rings during insertion is effectively reduced, and the spliced inserting rod is convenient to install.
As a further technical scheme of the invention, the outer surfaces of the two ends of the spliced inserting rod are fixedly provided with the butt-joint plugs, the outer surfaces of the side edges of the butt-joint plugs are arc-shaped, and the splicing inserting rod can be prevented from being misplaced when being inserted into the assembling disc and the fixed fluted disc by the arrangement of the butt-joint plugs.
As a further technical scheme of the invention, the outer surfaces of the combined toothed ring and the assembling disk are provided with a plurality of groups of teeth, the inner side of the combined toothed ring is provided with a butt joint groove for butt joint of the assembling disk, and the combined toothed ring can be sleeved on the outer surface of the assembling disk by utilizing the arrangement of the butt joint groove to finish the assembling operation of the combined toothed ring and the assembling disk.
A preparation process of a high-strength plastic gear comprises the following specific operation steps:
firstly, processing a fixed fluted disc, an assembly disc and a combined toothed ring by using a die in an injection molding mode, and polishing the fixed fluted disc, the assembly disc and the combined toothed ring;
inserting the assembly disc into a butt joint groove of the combined toothed ring, so that a first arc-shaped strip and a second arc-shaped strip on the arc-shaped clamping block are respectively inserted into the arc-shaped clamping groove, and fixing the assembly disc and the combined toothed ring;
and thirdly, attaching the fixed fluted disc to the middle part of the side edge of the assembly disc, enabling the first through holes of the fixed fluted disc and the assembly disc to be aligned with each other, inserting a splicing inserted link into the first through holes, and matching with the arc-shaped clamping ring to finish the fixing operation of the fixed fluted disc and the assembly disc.
The invention has the beneficial effects that:
1. through setting up the assembly disc, when this high strength plastic gear is processed, utilize the mode of moulding plastics to accomplish the processing operation to assembly disc and combination ring gear respectively, when this high strength plastic gear is installed, insert the assembly disc into the butt joint groove of combination ring gear, make first arc strip and second arc strip on the arc fixture block insert respectively in the arc draw-in groove, accomplish the fixed operation to assembly disc and combination ring gear, utilize the setting of four sets of arc fixture blocks, can effectively increase the contact surface between assembly disc and the combination ring gear, make the fixation between assembly disc and the combination ring gear more firm, promote the integrated strength of gear, secondly, utilize first arc strip and second arc strip on the arc fixture block after the arc fixture block is docked, can avoid the arc fixture block to appear becoming flexible and drop the phenomenon, when the single tooth on this high strength plastic gear appears damaging, the material consumption of combination ring gear is less than the material consumption of whole gear structure, make the combination ring gear have lower manufacturing cost, when the high strength plastic gear appears damaging, can not influence the gear's the condition of single tooth gear, the cost is effectively replaced, thereby the cost is used to the gear is effectively reduced;
2. through setting up the concatenation inserted bar, when high strength plastic gear needs the gear of cooperation not unidimensional use, the user can paste the middle part position at the equipment dish side with fixed fluted disc, make the first through-hole of fixed fluted disc and equipment dish align each other, insert the concatenation inserted bar in first through-hole, the cooperation arc snap ring, accomplish the fixed operation to fixed fluted disc and equipment dish, utilize the setting of concatenation inserted bar, can make things convenient for this high strength plastic gear to install the gear structure of equidimension, secondly the use of cooperation equipment dish, make it have multiple mosaic structure, nimble its gear drive structure of adjusting, the flexibility when promoting its use.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of a high strength plastic gear of the present invention;
FIG. 2 is an overall block diagram of an assembled disc in a high strength plastic gear of the present invention;
FIG. 3 is a partial block diagram of a high strength plastic gear of the present invention;
FIG. 4 is a block diagram of the high strength plastic gear arc-shaped block according to the present invention;
fig. 5 is an overall structure diagram of a spliced pole in a high-strength plastic gear according to the present invention.
In the figure: 1. splicing the inserted bars; 2. fixing a fluted disc; 3. a combined toothed ring; 4. an arc-shaped clamping block; 5. assembling a disc; 6. a first through hole; 7. a second through hole; 8. an arc-shaped clamping groove; 9. a butt joint groove; 10. teeth; 11. a first arcuate strip; 12. a second arcuate strip; 13. an arc-shaped clasp; 14. and (5) butting the plugs.
Detailed Description
In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1-5, a high-strength plastic gear comprises a fixed fluted disc 2, an assembly disc 5 and a combined toothed ring 3, wherein the combined toothed ring 3 is fixedly sleeved on the outer surface of the assembly disc 5, the fixed fluted disc 2 is fixedly provided with the middle position of the outer surface of the side edge of the assembly disc 5, the fixed fluted disc 2 and the assembly disc 5 are fixedly in butt joint through a splicing inserted link 1, and the combined toothed ring 3 and the assembly disc 5 are fixedly in butt joint through an arc-shaped clamping block 4.
Example 1
Four groups of arc clamping grooves 8 for abutting against the arc clamping blocks 4 are formed in the outer surface of the assembly disc 5 at equal intervals, a first through hole 6 for abutting against the splicing inserting rod 1 is formed in one side, close to the arc clamping grooves 8, of the outer surface of the assembly disc 5, when the assembly disc 5 is subjected to gear assembly operation, the arc clamping blocks 4 are used for fixing the combined toothed ring 3 and the assembly disc 5, meanwhile, four splicing inserting rods 1 are inserted between the assembly disc 5 and the fixed toothed disc 2, fixing the assembly disc 5 and the fixed toothed disc 2 can be completed, and when a single gear structure is damaged, the fixed toothed disc 2 and the combined toothed ring 3 can be replaced timely through the arrangement of the splicing inserting rods 1 and the arc clamping blocks 4.
The second through holes 7 are formed in the middle of the outer surfaces of the assembly disc 5 and the fixed fluted disc 2 in a penetrating mode, the side edges of the arc-shaped clamping grooves 8 are of arc-shaped structures, the second through holes 7 are arranged, and when the gear is used, the assembly disc 5 and the fixed fluted disc 2 can be conveniently assembled.
Example 2
The upper portion surface fixed mounting of arc fixture block 4 has first arc strip 11, the bottom surface fixed mounting of arc fixture block 4 has second arc strip 12, the surface of second arc strip 12 and first arc strip 11 is the arc structure, the inboard of arc draw-in groove 8 is equipped with the draw-in groove that is used for docking second arc strip 12 and first arc strip 11, utilize the setting of second arc strip 12 and first arc strip 11, can play the fixed action to the butt joint between arc fixture block 4 and the arc draw-in groove 8, avoid arc fixture block 4 to appear the abscission phenomenon after inserting.
The side surface mounting of concatenation inserted bar 1 has arc snap ring 13, and the quantity of arc snap ring 13 is two sets of, utilizes the setting of two sets of arc snap rings 13, can play supplementary fixed effect to it when equipment dish 5 and fixed fluted disc 2 butt joint, avoids concatenation inserted bar 1 to appear the phenomenon that drops after inserting, and the arc structure of arc snap ring 13 simultaneously can effectively reduce the resistance when its inserts, makes things convenient for concatenation inserted bar 1 to install.
Example 3
The outer surfaces of the two ends of the spliced inserting rod 1 are fixedly provided with the butt joint plugs 14, the outer surfaces of the side edges of the butt joint plugs 14 are arc-shaped structures, and the splicing inserting rod 1 can be prevented from being misplaced when being inserted into the assembling disc 5 and the fixed fluted disc 2 by means of the arrangement of the butt joint plugs 14.
The outer surfaces of the combined toothed ring 3 and the assembly disc 5 are provided with a plurality of groups of teeth 10, the inner side of the combined toothed ring 3 is provided with a butt joint groove 9 for butt joint of the assembly disc 5, and the combined toothed ring 3 can be sleeved on the outer surface of the assembly disc 5 by utilizing the arrangement of the butt joint groove 9 to finish the assembly operation of the combined toothed ring 3 and the assembly disc 5.
A preparation process of a high-strength plastic gear comprises the following specific operation steps:
firstly, processing a fixed fluted disc 2, an assembly disc 5 and a combined toothed ring 3 by using a die in an injection molding mode, and polishing the fixed fluted disc 2, the assembly disc 5 and the combined toothed ring 3;
step two, inserting the assembly disc 5 into the butt joint groove 9 of the combined toothed ring 3, so that the first arc-shaped strip 11 and the second arc-shaped strip 12 on the arc-shaped clamping block 4 are respectively inserted into the arc-shaped clamping groove 8, and fixing the assembly disc 5 and the combined toothed ring 3;
and thirdly, attaching the fixed fluted disc 2 to the middle position of the side edge of the assembly disc 5, enabling the fixed fluted disc 2 and the first through hole 6 of the assembly disc 5 to be aligned with each other, inserting the splicing inserted link 1 into the first through hole 6, and matching with the arc-shaped clamping ring 13 to finish the fixing operation of the fixed fluted disc 2 and the assembly disc 5.
When the high-strength plastic gear and the preparation process thereof are used, the assembling disc 5 is arranged, the processing operation of the assembling disc 5 and the combined toothed ring 3 is respectively completed by utilizing an injection molding mode during the processing of the high-strength plastic gear, the assembling disc 5 is inserted into the butt joint groove 9 of the combined toothed ring 3 during the installation of the high-strength plastic gear, the first arc-shaped strip 11 and the second arc-shaped strip 12 on the arc-shaped clamping block 4 are respectively inserted into the arc-shaped clamping groove 8, the fixing operation of the assembling disc 5 and the combined toothed ring 3 is completed, the contact surface between the assembling disc 5 and the combined toothed ring 3 can be effectively increased by utilizing the arrangement of four groups of arc-shaped clamping blocks 4, the fixing between the assembling disc 5 and the combined toothed ring 3 is firmer, the combined strength of the gear is improved, and then after the arc clamping blocks 4 are in butt joint, the first arc strip 11 and the second arc strip 12 on the arc clamping blocks 4 are utilized, so that the phenomenon that the arc clamping blocks 4 loose and fall off can be avoided, when the single tooth 10 on the high-strength plastic gear is damaged, a user can independently replace the combined tooth ring 3, the material consumption of the combined tooth ring 3 is smaller than that of the whole gear structure, the combined tooth ring 3 has lower manufacturing cost, and when the high-strength plastic gear is damaged, the tooth 10 structure of the high-strength plastic gear can be independently replaced under the condition that the strength of the gear is not affected, so that the use cost of the high-strength plastic gear is effectively reduced;
through setting up concatenation inserted bar 1, when the gear of high strength plastic gear needs cooperation not unidimensional uses, the user can paste fixed fluted disc 2 in the middle part position of equipment dish 5 side, make fixed fluted disc 2 and the first through-hole 6 of equipment dish 5 align each other, insert concatenation inserted bar 1 in first through-hole 6, cooperation arc snap ring 13, accomplish the fixed operation to fixed fluted disc 2 and equipment dish 5, utilize the setting of concatenation inserted bar 1, can make things convenient for this high strength plastic gear to install the gear structure of equidimension, secondly cooperate the use of equipment dish 5, make it have multiple mosaic structure, adjust its gear drive structure in a flexible way, the flexibility when promoting its use.
The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.

Claims (5)

1. The utility model provides a high strength plastic gear, includes fixed fluted disc (2), equipment dish (5) and combination ring gear (3), its characterized in that, combination ring gear (3) are fixed to be cup jointed in the surface of equipment dish (5), the side surface middle part position of fixed fluted disc (2) fixed mounting equipment dish (5), dock fixedly through concatenation inserted bar (1) between fixed fluted disc (2) and the equipment dish (5), dock fixedly through arc fixture block (4) between combination ring gear (3) and the equipment dish (5);
the outer surface of the upper part of the arc-shaped clamping block (4) is fixedly provided with a first arc-shaped strip (11), the outer surface of the bottom of the arc-shaped clamping block (4) is fixedly provided with a second arc-shaped strip (12), the outer surfaces of the second arc-shaped strip (12) and the first arc-shaped strip (11) are arc-shaped structures, and the inner side of the arc-shaped clamping groove (8) is provided with a clamping groove for butt joint of the second arc-shaped strip (12) and the first arc-shaped strip (11);
the outer surface of the side edge of the spliced inserting rod (1) is provided with arc-shaped clamping rings (13), and the number of the arc-shaped clamping rings (13) is two;
the outer surfaces of the two ends of the splicing inserted link (1) are fixedly provided with the butt-joint plugs (14), and the outer surfaces of the side edges of the butt-joint plugs (14) are arc-shaped structures.
2. The high-strength plastic gear according to claim 1, wherein four groups of arc clamping grooves (8) for abutting the arc clamping blocks (4) are formed in the outer surface of the assembly disc (5) at equal intervals, and a first through hole (6) for abutting the splicing inserting rod (1) is formed in one side, close to the arc clamping grooves (8), of the outer surface of the assembly disc (5).
3. The high-strength plastic gear according to claim 2, wherein the middle positions of the outer surfaces of the assembly disc (5) and the fixed fluted disc (2) are respectively provided with a second through hole (7) in a penetrating manner, and the side edges of the arc-shaped clamping grooves (8) are arc-shaped structures.
4. The high-strength plastic gear according to claim 1, wherein the outer surfaces of the combined toothed ring (3) and the assembly disc (5) are provided with a plurality of groups of teeth (10), and a butt joint groove (9) for butt joint of the assembly disc (5) is formed in the inner side of the combined toothed ring (3).
5. The preparation process of the high-strength plastic gear is characterized by comprising the following specific operation steps of:
firstly, processing a fixed fluted disc (2), an assembly disc (5) and a combined toothed ring (3) by using a die in an injection molding mode, and polishing the fixed fluted disc (2), the assembly disc (5) and the combined toothed ring (3);
step two, inserting the assembly disc (5) into a butt joint groove (9) of the combined toothed ring (3), so that a first arc-shaped strip (11) and a second arc-shaped strip (12) on the arc-shaped clamping block (4) are respectively inserted into the arc-shaped clamping groove (8), and fixing the assembly disc (5) and the combined toothed ring (3) is completed;
and thirdly, attaching the fixed fluted disc (2) to the middle part of the side edge of the assembly disc (5), enabling the fixed fluted disc (2) and a first through hole (6) of the assembly disc (5) to be mutually aligned, inserting a splicing inserted link (1) into the first through hole (6), and matching with an arc-shaped clamping ring (13) to finish the fixing operation of the fixed fluted disc (2) and the assembly disc (5).
CN202110857151.9A 2021-07-28 2021-07-28 High-strength plastic gear and preparation process thereof Active CN113565944B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110857151.9A CN113565944B (en) 2021-07-28 2021-07-28 High-strength plastic gear and preparation process thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110857151.9A CN113565944B (en) 2021-07-28 2021-07-28 High-strength plastic gear and preparation process thereof

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CN113565944A CN113565944A (en) 2021-10-29
CN113565944B true CN113565944B (en) 2023-07-28

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1452168A (en) * 1973-04-17 1976-10-13 Kirkegaard Maskinfabrik As Joh Gears
AT510283B1 (en) * 2010-09-29 2012-03-15 Miba Sinter Austria Gmbh GEAR ARRANGEMENT
CN108006195B (en) * 2018-01-25 2020-09-25 盐城工学院 Gear with variable tooth thickness and helical angle and adjusting structure
CN211778850U (en) * 2020-03-27 2020-10-27 无锡市天洋锻造有限公司 Alloy ring gear forging for track traffic
CN212616177U (en) * 2020-07-04 2021-02-26 昆山市江南伟业机械配件有限公司 Industrial combined gear
CN112065951B (en) * 2020-10-15 2021-10-08 新昌县金鹰齿轮箱有限公司 High-strength straight gear and manufacturing method thereof

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