CN218890460U

CN218890460U - Powder metal heating plasticizer

Info

Publication number: CN218890460U
Application number: CN202320068616.7U
Authority: CN
Inventors: 左师昌
Original assignee: Shenzhen Ailijia Material Technology Co Ltd
Current assignee: Shenzhen Ailijia Material Technology Co Ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-04-21
Anticipated expiration: 2033-01-10

Abstract

The utility model relates to the technical field of powder metal plasticization, in particular to a powder metal heating plasticizer. The technical proposal comprises: including base and heating furnace, base upper end fixedly connected with a pair of support frame, the heating furnace is installed between the support frame, and the heating furnace internal rotation is connected with the puddler, and the inlet pipe is installed to heating furnace lateral wall intermediate position, evenly installs the heating pipe in the heating furnace, and the support frame outside is installed and is driven puddler pivoted driving motor, has offered the drive groove on the support frame and with driving motor output corresponding position. According to the utility model, the transmission gear of the transmission mechanism and the transmission gear sleeve are utilized, so that the heating furnace is driven to integrally and reversely rotate when the stirring rod is used for stirring, not only can full stirring be realized, but also uneven distribution of metal powder in the organic adhesive caused by precipitation is avoided, and finally, the metal powder can be fully mixed with the organic adhesive for heating and plasticizing.

Description

Powder metal heating plasticizer

Technical Field

The utility model relates to the technical field of powder metal plasticization, in particular to a powder metal heating plasticizer.

Background

The powder metal plasticizing device is processing equipment for preprocessing powder metal in MIM technology, the particle size of the powder metal is generally 0.5-20 mu m, the powder metal is fully mixed with an organic adhesive and then heated and plasticized to form a fluid state, then the metal piece is processed by an injection molding method, the product quality is stable, the performance is reliable, the relative density of the product can reach 95% -99%, the heat treatment such as carburizing, quenching, tempering and the like can be performed, the mechanical properties such as the product strength, the hardness, the elongation and the like are high, the wear resistance is good, the fatigue resistance is realized, and the structure is uniform.

However, in the process of heating and plasticizing the powder metal, the mixing operation is performed by only relying on the rotation of the internal stirring rod for the mixing of the powder metal and the organic adhesive, the mixing uniformity is limited, the single stirring and mixing speed is low, meanwhile, the periphery of the stirring rod cannot be fully attached to the inner side wall of the heating furnace, the powder metal can be continuously deposited downwards in the organic adhesive, a large amount of powder metal accumulation exists in the organic adhesive at the bottom of the heating furnace and is far greater than the powder metal content in the upper-layer organic adhesive, and therefore, the metal powder cannot be fully mixed and plasticized with the organic adhesive.

Disclosure of Invention

The utility model aims at solving the problems in the background technology and provides a powder metal heating plasticizer capable of being fully mixed.

The technical scheme of the utility model is as follows: the utility model provides a powder metal heating plasticization ware, includes base and heating furnace, base upper end fixedly connected with a pair of support frame, the heating furnace is installed between the support frame, the heating furnace internal rotation is connected with the puddler, the inlet pipe is installed to heating furnace lateral wall intermediate position, evenly install the heating pipe in the heating furnace, drive puddler pivoted driving motor is installed in the support frame outside, the drive groove has been seted up on the support frame and with the corresponding position of driving motor output, be provided with the drive mechanism that can drive heating furnace reverse rotation in the drive groove, the puddler is close to driving motor one end extension and is fixed on the driving motor output.

Preferably, the transmission mechanism comprises an annular sleeve, the annular sleeve is rotationally connected in the transmission groove, the annular sleeve is fixedly connected with the end part of the heating furnace, the inner side wall of the annular sleeve is fixedly connected with a gear sleeve, a driving gear is fixedly connected to the stirring rod and at the corresponding position of the stirring rod and the gear sleeve, a group of transmission gears are rotationally connected in the annular sleeve and between the driving gear and the gear sleeve, and the transmission gears are meshed with the driving gear and the gear sleeve.

Preferably, the transmission groove is internally fixedly connected with an outer side plate, a driving rotating shaft for limiting the transmission gear is arranged on the outer side plate and at a position corresponding to the transmission gear, the outer side plate is connected with the transmission gear by the driving rotating shaft, and the transmission gear can be prevented from rotating circumferentially in the annular sleeve, so that the transmission gear can only rotate at a designated position.

Preferably, the on-off valve is arranged on the feeding pipe, the output end of the driving motor is provided with the speed reducer, and the problem of leakage after the feeding pipe rotates to the bottom can be avoided in the rotation process of the heating furnace.

Preferably, both ends of the stirring rod penetrate through the side walls of both ends of the heating furnace, and sealing bearings are arranged at the joints of the stirring rod and the side walls of the heating furnace, so that the sealing bearings can prevent plasticized powder metal or organic adhesive from overflowing from gaps between the stirring rod and the side walls of the heating furnace.

Preferably, the support frame outside and be located the driving motor bottom and be fixed with the mounting panel, driving motor fixes in the mounting panel upper end, can increase driving motor's stability in the course of the work.

Preferably, the stirring plate is arranged in the middle of the stirring rod, and the stirring plate is distributed in a vertically staggered manner, so that the mixture can flow back and forth in the heating furnace in the stirring process.

Compared with the prior art, the utility model has the following beneficial technical effects: the transmission gear of the transmission mechanism and the transmission of the gear sleeve are utilized to drive the heating furnace to reversely rotate integrally when the stirring rod is used for stirring, so that not only can full stirring be realized, but also uneven distribution of metal powder in the organic adhesive caused by precipitation is avoided, and finally, the metal powder can be ensured to be fully mixed with the organic adhesive for heating and plasticizing.

Drawings

FIG. 1 is a schematic view of the overall appearance structure of the present utility model;

FIG. 2 is a schematic view of the front cut-away structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic view of the internal transmission mechanism of the annular sleeve of the present utility model.

Reference numerals: 1. a base; 2. a support frame; 21. a transmission groove; 3. a heating furnace; 31. a feed pipe; 32. a stirring rod; 33. heating pipes; 34. a driving motor; 4. a transmission mechanism; 41. an annular sleeve; 42. a gear sleeve; 43. a drive gear; 44. an outer edge plate; 45. a transmission gear.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

As shown in fig. 1-4, the powder metal heating plasticizer provided by the utility model comprises a base 1 and a heating furnace 3, wherein the upper end of the base 1 is fixedly connected with a pair of supporting frames 2, the heating furnace 3 is arranged between the supporting frames 2, stirring rods 32 are rotatably connected in the heating furnace 3, a feeding pipe 31 is arranged in the middle of the outer side wall of the heating furnace 3, heating pipes 33 are uniformly arranged in the heating furnace 3, a driving motor 34 for driving the stirring rods 32 to rotate is arranged on the outer side of the supporting frames 2, a transmission groove 21 is formed in the position, corresponding to the output end of the driving motor 34, of the supporting frames 2, a transmission mechanism 4 capable of driving the heating furnace 3 to reversely rotate is arranged in the transmission groove 21, one end, close to the driving motor 34, of the stirring rods 32 is fixedly extended on the output end of the driving motor 34, a switch valve is arranged on the feeding pipe 31, a speed reducer is arranged at the output end of the driving motor 34, both ends of the stirring rods 32 penetrate through the side walls of the two ends of the heating furnace 3, sealing bearings are arranged at the connecting positions of the side walls of the heating furnace 3, the outer side of the supporting frames 2 and are fixedly arranged at the bottom of the driving motor 34, the driving motor 34 is fixedly arranged on the mounting plate, the upper end, the stirring plate is fixedly arranged at the middle of the stirring rod 32, the stirring plate is arranged at the middle of the stirring rod 32, and the stirring plate is arranged at the middle position, and the stirring plate is staggered.

The transmission mechanism 4 comprises an annular sleeve 41, the annular sleeve 41 is rotationally connected in a transmission groove 21, the end part of the annular sleeve 41 is fixedly connected with a heating furnace 3, the inner side wall of the annular sleeve 41 is fixedly connected with a gear sleeve 42, the stirring rod 32 is fixedly connected with a driving gear 43 at a position corresponding to the gear sleeve 42, a group of transmission gears 45 are rotationally connected in the annular sleeve 41 and positioned between the driving gear 43 and the gear sleeve 42, the transmission gears 45 are meshed with the driving gear 43 and the gear sleeve 42, an outer side plate 44 is fixedly connected in the transmission groove 21, a driving rotating shaft for limiting the transmission gears 45 is arranged at a position corresponding to the transmission gears 45 on the outer side plate 44, the output end of the driving motor 34 can drive the driving gear 43 to rotate while driving the stirring rod 32 to rotate, so that the transmission gears 45 are driven to rotate, the transmission of the gear sleeve 42 can enable the annular sleeve 41 to rotate, and the rotation direction of the transmission gears is opposite to the rotation direction of the stirring rod 32, and finally the heating furnace 3 is driven to rotate.

In this embodiment, the whole device is firstly connected with an external power supply, then powder metal and an organic adhesive are poured into the heating furnace 3 through the feeding pipe 31, after the feeding pipe 31 is sealed, the stirring rod 32 can be driven to rotate by the output end of the driving motor 34, meanwhile, the effect of plasticizing the powder metal can be achieved by heating the mixture through the heating pipe 33, in the process, the output end of the driving motor 34 can drive the driving gear 43 to rotate while driving the stirring rod 32 to rotate, so that the transmission gear 45 is driven to rotate, the annular sleeve 41 can be rotated by utilizing the transmission of the gear sleeve 42, the rotation direction of the annular sleeve is opposite to that of the stirring rod 32, finally, the heating furnace 3 is driven to rotate, meanwhile, the stirring rod 32 and the heating furnace 3 are reversely rotated, the mixture in the heating furnace 3 can be accelerated, and in the rotation process of the heating furnace 3, the upper and lower positions of the mixture in the heating furnace 3 can be continuously converted, so that the situation that the content of the metal powder in the bottom organic solvent is far greater than that of the organic adhesive above can be avoided, and the purpose of fully mixing the metal powder and the organic adhesive is achieved.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. The utility model provides a powder metal heating plasticization ware, includes base and heating furnace, a pair of support frame of base upper end fixedly connected with, the heating furnace is installed between the support frame, its characterized in that: the stirring device is characterized in that a stirring rod is connected in the heating furnace in a rotating manner, a feeding pipe is arranged in the middle of the outer side wall of the heating furnace, heating pipes are uniformly arranged in the heating furnace, a driving motor for driving the stirring rod to rotate is arranged on the outer side of the supporting frame, a transmission groove is formed in the supporting frame and corresponds to the output end of the driving motor, a transmission mechanism capable of driving the heating furnace to reversely rotate is arranged in the transmission groove, and one end of the stirring rod, which is close to the driving motor, is fixedly extended onto the output end of the driving motor.

2. The powder metal heating plasticizer of claim 1, wherein the transmission mechanism comprises an annular sleeve, the annular sleeve is rotationally connected in the transmission groove, the annular sleeve is fixedly connected with the end part of the heating furnace, the inner side wall of the annular sleeve is fixedly connected with a gear sleeve, the stirring rod is fixedly connected with a driving gear at a position corresponding to the gear sleeve, a group of transmission gears are rotationally connected in the annular sleeve and positioned between the driving gear and the gear sleeve, and the transmission gears are meshed with the driving gear and the gear sleeve.

3. The powder metal heating plasticizer of claim 2 wherein an outer plate is fixedly connected in the drive slot, and a drive shaft for limiting the drive gear is mounted on the outer plate at a position corresponding to the drive gear.

4. The powder metal heating plasticizer of claim 1 wherein the feed tube is provided with a switch valve and the drive motor output is provided with a decelerator.

5. The powder metal heating plasticizer of claim 1, wherein both ends of the stirring rod penetrate through the side walls of both ends of the heating furnace, and a sealing bearing is installed at the joint of the stirring rod and the side walls of the heating furnace.

6. The powder metal heating plasticizer of claim 1, wherein a mounting plate is fixed to the outer side of the support frame and at the bottom of the drive motor, and the drive motor is fixed to the upper end of the mounting plate.

7. The powder metal heating plasticizer of claim 1, wherein the stirring rod is provided with stirring plates in a middle position, and the stirring plates are distributed in a staggered manner up and down.