Metal powder quantitative conveying device for powder metallurgy

Abstract

The utility model discloses a metal powder quantitative conveying device for powder metallurgy, which relates to the technical field of powder metallurgy and comprises a powder storage tank, the right side of the lower end of the powder storage tank is fixedly connected with a conveying pipeline, the inner end of the conveying pipeline is provided with a conveying cavity, and the right end of the inner side of the powder storage tank is provided with a first blanking hole. A conveying and stirring assembly is arranged on the powder storage tank and comprises a first bevel gear, the first bevel gear is arranged on the lower portion of the powder storage tank, the upper end of the first bevel gear is fixedly connected with a first rotating shaft, the first rotating shaft penetrates through the powder storage tank, and the upper end of the first rotating shaft is fixedly connected with a large gear; the outer end of the large gear is connected with a plurality of pinions distributed circumferentially in a meshed mode, and the lower end of each pinion is fixedly connected with a second rotating shaft. According to the metal powder discharging device, a large amount of caked metal powder can be fully smashed and then discharged, and the accuracy of the amount of the metal powder discharged every time is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to powder metallurgy technical field, concretely is a kind of metal powder quantitative conveying device for powder metallurgy. BACKGROUND

[0002] Powder metallurgy is the process technology of preparing metal powder or using metal powder (or the mixture of metal powder and non-metal powder) as raw material, through forming and sintering, to manufacture metal material, composite material and various types of products.Powder metallurgy method has similar place with production of ceramics, and both belong to powder sintering technology, so a series of new powder metallurgy technologies can also be used for the preparation of ceramic materials;

[0003] Such as the utility model patent with the publication number CN222536328U discloses a kind of powder metallurgy quantitative powder adding device, including pipe body, the push plate is sealingly slidably connected in the pipe body, the lower of the push plate is equipped with press machine, the press machine is installed with air pressure pipe, the upper end of the air pressure pipe is fixedly connected with push plate, the upper end of the pipe body is fixedly connected with powder outlet pipe, the push block is sealingly slidably connected in the powder outlet pipe, the powder outlet pipe is equipped with the pushing mechanism for pushing push block.It is accurate in quantity when the utility model adds metal powder, and it is convenient to add, but there are problems that a small amount of metal powder in the powder outlet pipe is left on the inner side slope in the process of discharging and that metal powder in the powder outlet pipe is not stirred and dispersed, which can cause a small amount of metal powder to be left in each powder discharge and a large amount of metal powder to be agglomerated, resulting in inaccurate amount in each powder discharge, and finally the amount in each powder discharge is not accurate, for this purpose, we propose a kind of metal powder quantitative conveying device for powder metallurgy. UTILITY MODEL CONTENTS

[0004] The utility model is to provide a kind of metal powder quantitative conveying device for powder metallurgy, to solve the problems raised in the above background.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A kind of metal powder quantitative conveying device for powder metallurgy, including powder storage tank, the right side of the lower end of the powder storage tank is fixedly connected with conveying pipeline, the inner end of the conveying pipeline is provided with conveying cavity, the right end of the inside of the powder storage tank is provided with first blanking hole, the first blanking hole is communicated with conveying cavity, the powder storage tank is provided with conveying stirring assembly on top, the conveying stirring assembly includes first bevel gear, the first bevel gear is arranged in powder storage tank lower part, the upper end of the first bevel gear is fixedly connected with first rotation axis, the first rotation axis passes through powder storage tank, the upper end of the first rotation axis is fixedly connected with large gear, the outer end of the large gear is engagedly connected with multiple small gears that are circumferentially distributed, the lower end of each small gear is fixedly connected with second rotation axis, the outer end of each second rotation axis is fixedly connected with multiple groups of stirring strips that are vertically distributed, the right side of the first bevel gear is engagedly connected with second bevel gear, the right end of the second bevel gear is fixedly connected with first follow-up shaft, the right end of the first follow-up shaft passes through the left side of the conveying pipeline and is fixedly connected with spiral discharge roller, the left side of the upper end of the powder storage tank is provided with powder adding assembly.

[0006] Preferably, the right end of the spiral discharge roller is fixedly connected with the second follow-up shaft, the right end of the second follow-up shaft is fixedly connected with the rotating gear, the upper end of the rotating gear is engagedly connected with the incomplete gear, the left end of the incomplete gear is fixedly connected with the contact shaft, the left end of the contact shaft is fixedly connected with the output end of the stepping motor, and the left end of the stepping motor is fixedly connected with the conveying pipeline.

[0007] Preferably, the powder adding assembly includes a powder adding tube fixedly connected to the left side of the upper end of the powder storage tank, and a plug seat is slidably connected to the inner wall of the powder adding tube.

[0008] Preferably, the right side of the lower end of the conveying pipeline is provided with a second blanking hole, and the second blanking hole is communicated with the conveying cavity.

[0009] Preferably, the left side of the lower end of the powder storage tank is fixedly connected with an arc-shaped support frame, and the arc-shaped support frame is provided with a plurality of arc-shaped support frames.

[0010] Preferably, the outer end of the first rotation axis is fixedly connected with a bent scraper on the lower side, and the lower end of the bent scraper abuts against the inner wall of the powder storage tank.

[0011] Preferably, the outer ends of the first rotation axis and the second rotation axis are rotatably connected to the powder storage tank through bearings, and the outer end of the first follow-up shaft is rotatably connected to the conveying pipeline through a bearing.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The utility model provides a set with powder storage tank, conveying pipeline, arc support frame, conveying stirring subassembly, first blanking hole, conveying cavity and second blanking hole can complete when needing to the metal powder in powder storage tank carries out the ejection action, at this time can through the outside power supply to the stepping motor, the stepping motor output end drives the contact shaft to rotate to drive the incomplete gear to rotate, the incomplete gear drives the rotating gear to rotate to drive the second follow -up shaft to rotate the action, the second follow -up shaft drives the spiral ejection roller and first follow -up shaft to rotate the action, the first follow -up shaft drives the second bevel gear to rotate to drive the first bevel gear to rotate the action, the first bevel gear drives the first rotating shaft to rotate to drive the gear wheel to rotate the action, the gear wheel drives the pinion to rotate to drive the second rotating shaft and stirring bar to the metal powder in powder storage tank carries out the full stirring action, the utility model realizes can to the metal powder of a large number of caking carries out the full crushing action to then carries out the ejection action, improves the accuracy of the metal powder amount of each ejection time.

[0014] 2. The utility model provides a set with powder adding subassembly can complete when needing to add the metal powder in powder storage tank, at this time can pull off the plug seat, next adds the metal powder in powder adding pipe can, the metal powder of this time enters into powder storage tank, realizes can add the metal powder amount in powder storage tank. DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the conveying stirring subassembly structure schematic diagram of the utility model;

[0017] Figure 3 It is the utility model Figure 2 The enlarged structure schematic diagram of A place in the utility model;

[0018] Figure 4 It is the powder storage tank section structure schematic diagram of the utility model.

[0019] In the drawing: 1, powder storage tank;2, conveying pipeline;3, arc support frame;4, conveying stirring subassembly;41, first bevel gear;42, first rotating shaft;43, gear wheel;44, pinion;45, second rotating shaft;46, stirring bar;47, bent scraper;48, second bevel gear;49, first follow -up shaft;410, spiral ejection roller;411, second follow -up shaft;412, rotating gear;413, incomplete gear;414, contact shaft;415, stepping motor;5, powder adding subassembly;51, powder adding pipe;52, plug seat;6, first blanking hole;7, conveying cavity;8, second blanking hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figure 1 - Figure 4 The utility model provides a kind of technical scheme: a kind of metal powder quantitative conveying device for powder metallurgy, including powder storage tank 1, powder storage tank 1 lower end right side is fixedly connected with conveying pipeline 2, conveying pipeline 2 inner end is provided with conveying cavity 7, powder storage tank 1 inner side right end is provided with first blanking hole 6, first blanking hole 6 is communicated with conveying cavity 7, powder storage tank 1 is provided with conveying stirring assembly 4, conveying stirring assembly 4 includes first bevel gear 41, first bevel gear 41 is arranged in powder storage tank 1 lower part, first bevel gear 41 upper end is fixedly connected with first rotating shaft 42, first rotating shaft 42 passes through powder storage tank 1, first rotating shaft 42 upper end is fixedly connected with large gear 43, large gear 43 outer end is engagedly connected with multiple small gears 44 that are circumferentially distributed, the lower end of each small gear 44 is fixedly connected with second rotating shaft 45, the outer end of each second rotating shaft 45 is fixedly connected with multiple groups of stirring strips 46 that are vertically distributed, first bevel gear 41 right side is engagedly connected with second bevel gear 48, second bevel gear 48 right end is fixedly connected with first follow-up shaft 49, first follow-up shaft 49 right end passes through conveying pipeline 2 left side and is fixedly connected with spiral discharge roller 410, powder storage tank 1 upper end left side is provided with powder adding assembly 5.

[0022] In the embodiment, spiral discharge roller 410 right end is fixedly connected with second follow-up shaft 411, second follow-up shaft 411 right end is fixedly connected with rotating gear 412, rotating gear 412 upper end is engagedly connected with incomplete gear 413, incomplete gear 413 left end is fixedly connected with contact shaft 414, contact shaft 414 left end is fixedly connected with the output end of step motor 415, step motor 415 left end is fixedly connected with conveying pipeline 2.

[0023] Specifically, the step motor 415 is powered by an external power supply, the second step motor 415 output end drives the contact shaft 414 to rotate and in turn drives the incomplete gear 413 to rotate intermittently, the incomplete gear 413 drives the rotating gear 412 to rotate and in turn drives the second follow-up shaft 411 to rotate, and the second follow-up shaft 411 drives the spiral discharge roller 410 to rotate.

[0024] In the embodiment, the powder adding assembly 5 comprises a powder adding pipe 51 fixedly connected to the left side of the upper end of the powder storage tank 1, and a plug seat 52 is slidably connected to the inner wall of the powder adding pipe 51.

[0025] Specifically, the powder adding assembly 5 can add metal powder into the powder storage tank 1 when needed. At this time, the plug seat 52 can be pulled out, and then metal powder is added into the powder adding pipe 51. At this time, the metal powder enters the powder storage tank 1, and the amount of metal powder in the powder storage tank 1 can be added.

[0026] In the embodiment, the second discharging hole 8 is arranged at the right side of the lower end of the conveying pipe 2 and communicates with the conveying cavity 7.

[0027] Specifically, the second discharging hole 8 can realize the discharging action of the fully stirred metal powder.

[0028] In the embodiment, the arc-shaped support frame 3 is fixedly connected to the left side of the lower end of the powder storage tank 1, and a plurality of arc-shaped support frames 3 are arranged.

[0029] Specifically, the arc-shaped support frame 3 can improve the stability of the powder storage tank 1 during the working process.

[0030] In the embodiment, the bent scraper 47 is fixedly connected to the lower side of the outer end of the first rotating shaft 42, and the lower end of the bent scraper 47 abuts against the inner wall of the powder storage tank 1.

[0031] Specifically, the bent scraper 47 can clean the metal powder attached to the inner wall of the powder storage tank 1.

[0032] In the embodiment, the outer ends of the first rotating shaft 42 and the second rotating shaft 45 are rotatably connected to the powder storage tank 1 through bearings, and the outer end of the first follower shaft 49 is rotatably connected to the conveying pipe 2 through a bearing.

[0033] Specifically, the first rotating shaft 42 and the second rotating shaft 45 do not interfere with the powder storage tank 1, and the first follower shaft 49 does not interfere with the conveying pipe 2.

[0034] Working principle: when the metal powder in the powder storage tank 1 needs to be discharged, at this time, the stepper motor 415 can be powered by an external power supply, at this time, the output end of the stepper motor 415 drives the contact shaft 414 to rotate and in turn drives the incomplete gear 413 to rotate, at this time, the incomplete gear 413 drives the rotating gear 412 to rotate and in turn drives the second follow-up shaft 411 to rotate, at this time, the second follow-up shaft 411 drives the spiral discharge roller 410 and the first follow-up shaft 49 to rotate, at this time, the first follow-up shaft 49 drives the second bevel gear 48 to rotate and in turn drives the first bevel gear 41 to rotate, at this time, the first bevel gear 41 drives the first rotating shaft 42 to rotate and in turn drives the gear 43 to rotate, at this time, the gear 43 drives the pinion 44 to rotate and in turn drives the second rotating shaft 45 and the stirring bar 46 to fully stir the metal powder in the powder storage tank 1, the utility model realizes that the large amount of caked metal powder can be fully crushed and then discharged, and the accuracy of the amount of metal powder discharged each time is improved.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A metal powder dosing device for powder metallurgy, comprising a powder storage tank (1), characterized in that: The lower end right side of the powder storage tank (1) is fixedly connected with a conveying pipeline (2), the inner end of the conveying pipeline (2) is provided with a conveying cavity (7), the left end of the powder storage tank (1) is provided with a first discharging hole (6), the first discharging hole (6) is communicated with the conveying cavity (7), the powder storage tank (1) is provided with a conveying and stirring assembly (4), the conveying and stirring assembly (4) comprises a first bevel gear (41), the first bevel gear (41) is arranged at the lower part of the powder storage tank (1), the upper end of the first bevel gear (41) is fixedly connected with a first rotating shaft (42), the first rotating shaft (42) penetrates through the powder storage tank (1), the upper end of the first rotating shaft (42) is fixedly connected with a large gear (43), the outer end of the large gear (43) is engagedly connected with a plurality of small gears (44) which are circumferentially distributed, the lower end of each small gear (44) is fixedly connected with a second rotating shaft (45), the outer end of each second rotating shaft (45) is fixedly connected with a plurality of groups of stirring strips (46) which are vertically distributed, the right side of the first bevel gear (41) is engagedly connected with a second bevel gear (48), the right end of the second bevel gear (48) is fixedly connected with a first follower shaft (49), the right end of the first follower shaft (49) penetrates through the left side of the conveying pipeline (2) and is fixedly connected with a spiral discharging roller (410), the upper left side of the powder storage tank (1) is provided with a powder adding assembly (5).

2. A metal powder dosing device for powder metallurgy according to claim 1, characterized in that: The right end of the spiral discharging roller (410) is fixedly connected with a second follower shaft (411), the right end of the second follower shaft (411) is fixedly connected with a rotating gear (412), the upper end of the rotating gear (412) is engagedly connected with an incomplete gear (413), the left end of the incomplete gear (413) is fixedly connected with a contact shaft (414), the left end of the contact shaft (414) is fixedly connected with the output end of a stepping motor (415), the left end of the stepping motor (415) is fixedly connected with the conveying pipeline (2).

3. A metal powder dosing device for powder metallurgy according to claim 1, characterized in that: The powder adding assembly (5) comprises a powder adding pipe (51) which is fixedly connected to the upper left side of the powder storage tank (1), the inner wall of the powder adding pipe (51) is slidably connected with a plug seat (52).

4. A metal powder dosing device for powder metallurgy according to claim 1, characterized in that: The lower right side of the conveying pipeline (2) is provided with a second discharging hole (8), the second discharging hole (8) is communicated with the conveying cavity (7).

5. A metal powder dosing device for powder metallurgy according to claim 1, characterized in that: The lower left side of the powder storage tank (1) is fixedly connected with an arc-shaped support frame (3), the arc-shaped support frame (3) is provided with a plurality of groups of.

6. A metal powder dosing device for powder metallurgy according to claim 1, characterized in that: The outer end of the first rotating shaft (42) is fixedly connected with a bent scraper (47), the lower end of the bent scraper (47) abuts against the inner wall of the powder storage tank (1).

7. A metal powder dosing device for powder metallurgy according to claim 1, characterized in that: The outer ends of the first rotating shaft (42) and the second rotating shaft (45) are rotatably connected with the powder storage tank (1) through bearings, and the outer end of the first follower shaft (49) is rotatably connected with the conveying pipeline (2) through a bearing.

Images