Powder metallurgy gear

Abstract

The invention discloses a powder metallurgy gear which comprises an outer fluted disc, three inner fluted discs arranged in the outer fluted disc and a co-pressing fluted disc arranged on the inner sides of the three inner fluted discs, guide columns are arranged in the inner fluted discs, and a plurality of clamping blocks are arranged on the outer walls of the guide columns at equal intervals. A plurality of groove holes are formed in the inner wall of the inner fluted disc at equal intervals, the clamping blocks are buckled into the groove holes, a limiting annular plate is arranged at the bottom of the inner fluted disc, a power fluted disc is detachably connected to the top of the guide column, a buckle plate is detachably connected to the interior of the power fluted disc, an insertion hole is formed in the buckle plate, and the clamping blocks are inserted into the insertion hole. A linkage disc is arranged in the middle of the interior of the co-pressure fluted disc, a clamping cover is inserted in the middle of the linkage disc, the clamping cover is connected with the linkage disc through a bolt, and a linkage pipe is arranged in the center of the clamping cover. The powder metallurgy gear is formed by combining multiple gears, the overall machining efficiency is high, and practicability is high.

Description

Technical Field

[0001] The invention relates to the technical field of metallurgy, in particular to a powder metallurgy gear. Background Art

[0002] Powder metallurgy gears are a manufacturing technology that mixes metal powder with a specific adhesive, presses it under high temperature and pressure, and then sinters it to make gears. This method can produce high-precision, high-strength gears, and is suitable for various industrial applications that require wear resistance, corrosion resistance, high temperature resistance and other properties. The powder metallurgy gear manufacturing process usually includes steps such as raw material mixing, pressing, sintering and subsequent processing. Before sintering the gear, the pressed gear needs to be preheated to remove volatile organic matter in the powder, and then the preheated gear is placed in a sintering furnace for high-temperature treatment and sintering, so that the metal powder particles can diffuse, the grains grow and the particles can combine, thereby gradually forming a dense metal structure.

[0003] The existing powder metallurgy gears have low overall processing efficiency, which makes it difficult to quickly process gears of various sizes, diameters and shapes. In addition, the debris generated after pressing cannot be quickly recycled, which is not environmentally friendly. Therefore, it is necessary to design corresponding technical solutions to solve the existing technical problems. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the present invention provides a powder metallurgy gear, which solves the problems that the existing powder metallurgy gears have low overall processing efficiency, are not convenient for quickly processing gears of various sizes, diameters and shapes, and the debris generated after pressing cannot be quickly recycled, which is not environmentally friendly.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a powder metallurgy gear, comprising an outer toothed disc, three inner toothed discs arranged inside the outer toothed disc, and a co-pressed toothed disc arranged on the inner sides of the three inner toothed discs, a guide column is arranged inside the inner toothed disc, a plurality of blocks are equidistantly arranged on the outer wall of the guide column, a plurality of slots are equidistantly opened on the inner wall of the inner toothed disc, the blocks are buckled into the slots, a limiting ring plate is arranged at the bottom of the inner toothed disc, a power toothed disc is detachably connected to the top of the guide column, a buckle plate is detachably connected to the inside of the power toothed disc, a jack is opened on the buckle plate, a linkage disc is arranged in the middle of the co-pressed toothed disc, a card cover is inserted in the middle of the linkage disc, and the card cover is connected to the linkage disc by bolts, and a linkage tube is arranged at the center of the card cover.

[0008] A powder metallurgy gear processing equipment comprises a processing table, the top of which is provided with a stamping structure, a heat treatment box arranged on the side of the stamping structure and a cleaning and recovery structure arranged on the side of the stamping structure, the stamping structure comprises a long cabinet, the outer side of the long cabinet is provided with a slidable covering door, the top of the long cabinet is provided with four protrusions, and the top of the four protrusions is provided with a hydraulic cylinder 1, the output end of the hydraulic cylinder 1 is connected to a link structure, a plurality of heating rods are provided on the inner wall of the long cabinet, the link structure comprises a sleeve, the bottom end of the sleeve is connected with a sleeve, the bottom end of the sleeve is detachably connected to a stamping plate, limit rods are symmetrically arranged on both sides of the sleeve, a strip groove is opened on the inner wall of the long cabinet, both ends of the limit rod are embedded in the strip groove, and a model structure is provided directly below the stamping plate.

[0009] As a further preferred embodiment of the present invention, the model structure includes two load-bearing blocks, the top of the load-bearing blocks are symmetrically provided with pressure-resistant column tubes, the top of the pressure-resistant column tubes are provided with strip plates, the top of the strip plates is detachably connected with a template, and a mold base plate is provided in the middle of the top of the template.

[0010] As a further preferred embodiment of the present invention, a plurality of insertion rods are arranged at the bottom of the mold base plate, and slot holes are arranged at the middle positions of the strip plate and the template, a hydraulic cylinder 2 is arranged directly below the slot holes, and a push rod is connected to the output end of the hydraulic cylinder 2.

[0011] As a further preferred embodiment of the present invention, a transmission frame is provided on the top of the processing table, a motor is provided on one side outer wall of the transmission frame, a roller is connected to the output end of the motor, and a transmission belt is wrapped around the outer side of the roller.

[0012] As a further preferred embodiment of the present invention, the cleaning and recovery structure includes two vertical frame plates, the tops of the vertical frame plates are commonly connected to a support plate, a fan is arranged on the top of the support plate, an output end of the fan is connected to a long exhaust hood, a plurality of support rods are equidistantly connected on the inner wall of the vertical frame plates, a recovery frame is arranged on the bottom right end of the transmission frame, and the recovery frame is detachably connected to the transmission frame.

[0013] As a further preferred embodiment of the present invention, an openable sealing plate is provided on the front of the heat treatment box, and a controller is provided on the side of the heat treatment box.

[0014] (III) Beneficial effects

[0015] The present invention provides a powder metallurgy gear. It has the following beneficial effects:

[0016] (1) The finished product of the powder metallurgy gear of the present invention is composed of an outer gear disc, three inner gear discs inside the outer gear disc, and a co-pressed gear disc arranged on the inner side of the three inner gear discs. A guide column is arranged inside the inner gear disc, and a plurality of clamping blocks are arranged equidistantly on the outer wall of the guide column. A plurality of slots are opened equidistantly on the inner wall of the inner gear disc, and the clamping blocks are buckled into the slots. A limiting ring plate is arranged at the bottom of the inner gear disc to limit the entire guide column. A power gear disc is detachably connected to the top of the guide column, and a card cover plate is detachably connected to the inside of the power gear disc. A linkage pipe is arranged at the center of the card cover, which can be used as an output or access port to transmit power. The entire combination forms a linkage gear combination.

[0017] (2) The powder metallurgy gear product of the present invention is prepared by processing equipment, and a stamping structure and a heat treatment box are arranged on the top of the processing table. The material is pressurized and formed by using the stamping structure. After completion, it can be placed in the heat treatment box and then heated. The cleaning and recovery structure on the side of the stamping structure cools down and removes impurities on the processed workpiece, and can recover the fallen impurities, which is more environmentally friendly.

[0018] (3) A slidable covering door is arranged on the outer side of the long cabinet body of the stamping structure of the present invention, and a hydraulic cylinder 1 is arranged on the top of the long cabinet body. The output end of the hydraulic cylinder 1 is connected to a link structure, and the bottom end of the link structure sleeve is detachably connected to a stamping plate. Stamping plates of different shapes can be replaced as needed to make different workpieces. A model structure is arranged directly below the stamping plate, and the top of the strip plate of the model structure is detachably connected to a template. The whole structure is easy to disassemble and assemble, and is easy to replace and make different workpieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the product of the present invention;

[0020] Figure 2 It is a schematic diagram of the structure of the product of the present invention when viewed from above;

[0021] Figure 3 It is a three-dimensional structural schematic diagram of the processing equipment of the present invention;

[0022] Figure 4 It is a side structural schematic diagram of the processing equipment of the present invention;

[0023] Figure 5 It is a front view structural schematic diagram of the processing equipment of the present invention.

[0024] In the figure: 1. outer gear disc; 2. inner gear disc; 3. co-pressure gear disc; 4. guide column; 5. clamping block; 6. limiting ring plate; 7. power gear disc; 8. buckle plate; 9. linkage disc; 10. card cover; 11. linkage pipe; 12. processing table; 13. long cabinet; 14. sealing door; 15. bump; 16. hydraulic cylinder one; 17. heating rod; 18. sleeve disc; 19. sleeve; 20. stamping plate; 21. limiting rod; 22. load-bearing block; 23. pressure column tube; 24. strip plate; 25. template; 26. mold base plate; 27. hydraulic cylinder two; 28. ejector rod; 29. ​​transmission frame; 30. motor; 31. transmission belt; 32. frame plate; 33. support plate; 34. fan; 35. exhaust hood; 36. support rod; 37. recovery frame; 38. sealing plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See also Figure 1-5 , the embodiment of the present invention provides a technical solution:

[0027] A powder metallurgy gear comprises an outer toothed disc 1, three inner toothed discs 2 arranged inside the outer toothed disc 1, and a co-pressed toothed disc 3 arranged inside the three inner toothed discs 2, wherein a guide column 4 is arranged inside the inner toothed disc 2, a plurality of clamping blocks 5 are arranged equidistantly on the outer wall of the guide column 4, a plurality of slots are opened equidistantly on the inner wall of the inner toothed disc 2, the clamping blocks 5 are buckled into the slots, a limiting ring plate 6 is arranged at the bottom of the inner toothed disc 2, a power toothed disc 7 is detachably connected to the top of the guide column 4, a buckle plate 8 is detachably connected to the inside of the power toothed disc 7, a plug hole is opened on the buckle plate 8, a linkage disc 9 is arranged in the middle of the co-pressed toothed disc 3, a card cover 10 is inserted in the middle of the linkage disc 9, and the card cover 10 is connected to the linkage disc 9 by bolts, and a linkage tube 11 is arranged at the center of the card cover 10.

[0028] A powder metallurgy gear processing equipment includes a processing table 12, a stamping structure, a heat treatment box arranged on the side of the stamping structure, and a cleaning and recycling structure arranged on the side of the stamping structure are arranged on the top of the processing table 12, the stamping structure includes a long cabinet 13, a slidable cover door 14 is arranged on the outside of the long cabinet 13, four protrusions 15 are arranged on the top of the long cabinet 13, and a hydraulic cylinder 16 is arranged on the top of the four protrusions 15, the output end of the hydraulic cylinder 16 is connected to the link structure, and the inner part of the long cabinet 13 is provided with a slidable cover door 14. A number of heating rods 17 are arranged on the wall, and the linking structure includes a sleeve disk 18, the bottom end of the sleeve disk 18 is connected with a sleeve tube 19, and the bottom end of the sleeve tube 19 is detachably connected with a stamping plate 20, and limiting rods 21 are symmetrically arranged on both sides of the sleeve disk 18. A strip groove is opened on the inner wall of the long cabinet 13, and both ends of the limiting rod 21 are embedded in the strip groove. A model structure is arranged directly below the stamping plate 20, and the stamping plate 20 of the linking structure is driven by using a hydraulic cylinder 16 to quickly stamp and form the powder material in the model structure.

[0029] The model structure includes two load-bearing blocks 22, and a pressure-resistant column tube 23 is symmetrically arranged on the top of the load-bearing block 22. A strip plate 24 is arranged on the top of the pressure-resistant column tube 23. A template 25 is detachably connected to the top of the strip plate 24. A mold seat plate 26 is arranged in the middle of the top of the template 25. The processed powder raw material is placed by using the template 25 and the mold seat plate 26 on its top.

[0030] A plurality of insertion rods are arranged at the bottom of the mold base plate 26, and slots are arranged at the middle positions of the strip plate 24 and the template 25. A hydraulic cylinder 27 is arranged directly below the slots, and a push rod 28 is connected to the output end of the hydraulic cylinder 27. By using the hydraulic cylinder 27 and the push rod 28, the entire mold base plate 26 can be quickly ejected, so that the workpiece can be quickly removed.

[0031] A transmission frame 29 is arranged on the top of the processing table 12, and a motor 30 is arranged on the outer wall of one side of the transmission frame 29. The output end of the motor 30 is connected to a roller, and a transmission belt 31 is wrapped around the outer side of the roller. The motor 30 drives the roller and the transmission belt 31 to transmit the crushed materials.

[0032] The cleaning and recycling structure includes two vertical frame plates 32, the tops of the vertical frame plates 32 are connected to a support plate 33, the tops of the support plates 33 are provided with a fan 34, the output end of the fan 34 is connected to a long exhaust hood 35, a number of support rods 36 are equidistantly connected on the inner wall of the vertical frame plates 32, a recycling frame 37 is provided at the right bottom end of the transmission frame 29, the recycling frame 37 is detachably connected to the transmission frame 29, and the workpieces that have been initially processed and secondarily processed can be placed on the support rods 36 for blowing treatment, quickly cooled and blown off residual impurities, and then dropped into the recycling frame 37 in conjunction with the conveyor belt 31.

[0033] An openable sealing plate 38 is provided on the front of the heat treatment box, and a controller is provided on the side of the heat treatment box, so that the workpiece can be placed in the heat treatment box for sufficient heat treatment.

[0034] Working principle: When in use, the finished powder metallurgy gear is combined with an outer gear disc 1 and three inner gear discs 2 inside the outer gear disc 1, and a co-pressed gear disc 3 arranged on the inner side of the three inner gear discs 2. A guide column 4 is arranged inside the inner gear disc 2, and a plurality of clamping blocks 5 are arranged equidistantly on the outer wall of the guide column 4. A plurality of slots are opened equidistantly on the inner wall of the inner gear disc 2, and the clamping blocks 5 are buckled into the slots. A limiting ring plate 6 is arranged at the bottom of the inner gear disc 2 to limit the support of the entire guide column 4. A power gear disc 7 is detachably connected to the top of the guide column 4, and a card cover 10 is detachably connected to the inside of the power gear disc 7. A linkage pipe 11 is arranged at the center of the card cover 10, which can be used as an output or access port to transmit power. The entire combination is a linkage gear combination. The finished powder metallurgy gear is prepared by processing equipment, and the top of the processing table 12 is provided with a A stamping structure and a heat treatment box are provided. The material is pressurized and formed by using the stamping structure. After completion, it can be placed in the heat treatment box and then heated. The cleaning and recovery structure on the side of the stamping structure cools down and removes impurities from the processed workpiece, and can recycle the fallen miscellaneous materials, which is more environmentally friendly. A slidable covering door 14 is provided on the outside of the long cabinet 13 of the stamping structure, and a hydraulic cylinder 16 is provided on the top of the long cabinet 13. The output end of the hydraulic cylinder 16 is connected to a link structure, and the bottom end of the link structure sleeve 19 is detachably connected to a stamping plate 20. Stamping plates 20 of different shapes can be replaced as needed to make different workpieces. A model structure is provided directly below the stamping plate 20, and the top of the strip plate 24 of the model structure is detachably connected to a template 25. The whole is easy to disassemble and assemble, and it is easy to replace and make different workpieces.

[0035] The present invention comprises: 1. base plate; 2. inclined frame rod; 3. support ring; 4. guide ring 1; 5. guide ring 2; 6. load-bearing plate; 7. connecting rod; 8. linkage shaft; 9. casting plate; 10. hydraulic cylinder 1; 11. wedge block; 12. buckle plate; 13. hydraulic cylinder 2; 14. card plate; 15. connecting pipe; 16. casting block; 17. motor 1; 18. crank arm; 19. link plate; 20. cross plate; 21. electromagnetic slide rail; 22. guide block; 23. motor 2; 24. rotating plate; 25. support rod; 26. mounting plate; 27. mounting strip; 28. storage tank; 29. ​​guide column; 30. output end column block; 31. cylinder; 32. piston plate; 33. guide rod; 34. Sealing plate; 35, moving wheel; 36, brake rod, all components are universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel in this field through technical manuals or through conventional experimental methods. The problem solved by the present invention is that the existing powder metallurgy gears have low overall processing efficiency, which is not convenient for quickly processing a variety of gears with different sizes and shapes, and the debris generated after pressing cannot be quickly recovered, which is not environmentally friendly. The present invention combines the above components to produce a finished product of a powder metallurgy gear, which adopts an outer gear disc and three inner gear discs inside the outer gear disc, and a co-pressed gear disc arranged on the inner side of the three inner gear discs for combination, and the inner gear disc has a A guide column is provided, and a plurality of card blocks are equidistantly provided on the outer wall of the guide column, and a plurality of slots are equidistantly opened on the inner wall of the inner gear disc, and the card blocks are buckled into the slots. A limiting ring plate is provided at the bottom of the inner gear disc to limit and support the entire guide column, and a power gear disc is detachably connected to the top of the guide column, and a card cover plate is detachably connected to the inside of the power gear disc, and a linkage pipe is provided at the center of the card cover, which can be used as an output or access port to transmit power, and the whole combination is formed into a linkage gear combination. The powder metallurgy gear finished product of the present invention is prepared by processing equipment, and a stamping structure and a heat treatment box are provided on the top of the processing table. The material is pressurized and formed by using the stamping structure, and after completion, it can be It can be placed in a heat treatment box and then heated. The cleaning and recovery structure on the side of the stamping structure cools down and removes impurities on the treated workpiece, and can recycle the fallen debris, which is more environmentally friendly. The outer side of the long cabinet of the stamping structure of the present invention is provided with a slidable covering door, and the top of the long cabinet is provided with a hydraulic cylinder 1. The output end of the hydraulic cylinder 1 is connected with a link structure, and the bottom end of the link structure sleeve is detachably connected with a stamping plate. Stamping plates of different shapes can be replaced as needed to make different workpieces. A model structure is provided directly below the stamping plate, and the top of the strip plate of the model structure is detachably connected with a template. The whole is easy to disassemble and assemble, and it is easy to replace and make different workpieces.

[0036] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0037] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A powder metallurgy gear, comprising an outer toothed disc (1), three inner toothed discs (2) arranged inside the outer toothed disc (1), and a co-pressed toothed disc (3) arranged inside the three inner toothed discs (2), characterized in that: A guide column (4) is arranged inside the inner gear disc (2), and a plurality of clamping blocks (5) are arranged at equal intervals on the outer wall of the guide column (4). A plurality of slot holes are opened at equal intervals on the inner wall of the inner gear disc (2), and the clamping blocks (5) are buckled into the slot holes. A limiting ring plate (6) is arranged at the bottom of the inner gear disc (2). A power gear disc (7) is detachably connected to the top of the guide column (4), and a buckle plate (8) is detachably connected to the inside of the power gear disc (7), and a plug hole is opened on the buckle plate (8). A linkage disc (9) is arranged in the middle of the common pressure gear disc (3), and a clamping cover (10) is inserted in the middle of the linkage disc (9), and the clamping cover (10) is connected to the linkage disc (9) by bolts. A linkage pipe (11) is arranged at the center of the clamping cover (10).

2. A powder metallurgy gear processing equipment, characterized in that: The invention comprises a processing table (12), the top of which is provided with a stamping structure, a heat treatment box arranged on the side of the stamping structure, and a cleaning and recycling structure arranged on the side of the stamping structure, the stamping structure comprises a long cabinet (13), the outer side of the long cabinet (13) is provided with a slidable cover door (14), the top of the long cabinet (13) is provided with four protrusions (15), and the tops of the four protrusions (15) are provided with a hydraulic cylinder (16), and the output end of the hydraulic cylinder (16) is connected to a linking structure. The long cabinet (13) has a plurality of heating rods (17) arranged on the inner wall thereof, the linking structure comprises a sleeve (18), the bottom end of the sleeve (18) is connected to a sleeve (19), the bottom end of the sleeve (19) is detachably connected to a stamping plate (20), limiting rods (21) are symmetrically arranged on both sides of the sleeve (18), a strip groove is provided on the inner wall of the long cabinet (13), the two ends of the limiting rod (21) are embedded in the strip groove, and a model structure is arranged directly below the stamping plate (20).

3. The powder metallurgy gear processing equipment according to claim 2, characterized in that: The model structure comprises two load-bearing blocks (22), the top of the load-bearing blocks (22) are symmetrically provided with pressure-resistant column tubes (23), the top of the pressure-resistant column tubes (23) is provided with a strip plate (24), the top of the strip plate (24) is detachably connected with a template (25), and a mold base plate (26) is provided in the middle of the top of the template (25).

4. The powder metallurgy gear processing equipment according to claim 3, characterized in that: A plurality of insertion rods are arranged at the bottom of the mold base plate (26), and slot holes are arranged at the middle positions of the strip plate (24) and the template (25). A hydraulic cylinder 2 (27) is arranged directly below the slot holes, and a push rod (28) is connected to the output end of the hydraulic cylinder 2 (27).

5. The powder metallurgy gear processing equipment according to claim 4, characterized in that: A transmission frame (29) is arranged on the top of the processing table (12), a motor (30) is arranged on an outer wall of one side of the transmission frame (29), an output end of the motor (30) is connected to a roller, and a transmission belt (31) is wrapped around the outer side of the roller.

6. The powder metallurgy gear processing equipment according to claim 5, characterized in that: The cleaning and recovery structure includes two vertical frame plates (32), the tops of the vertical frame plates (32) are commonly connected to a support plate (33), a fan (34) is arranged on the top of the support plate (33), the output end of the fan (34) is connected to a long strip of exhaust hood (35), a plurality of support rods (36) are equidistantly connected on the inner wall of the vertical frame plates (32), a recovery frame (37) is arranged at the bottom right end of the transmission frame (29), and the recovery frame (37) is detachably connected to the transmission frame (29).

7. The powder metallurgy gear processing equipment according to claim 6, characterized in that: An openable sealing plate (38) is arranged on the front of the heat treatment box, and a controller is arranged on the side of the heat treatment box.

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