CN212652684U - Powder metallurgy die capable of improving machining precision - Google Patents

Abstract

The utility model discloses a powder metallurgy die capable of improving processing precision, which belongs to the technical field of powder metallurgy, and comprises a die main body, a base plate is fixedly arranged above the die main body through a stand column, a grinding box is arranged on the upper surface of the base plate, a feeding pipe is arranged on the left side surface of the grinding box, a feeding hopper is arranged at the top end of the feeding pipe, a grinding part for grinding is arranged in the grinding box, a conveying box is arranged on the lower surface of the base plate through a fixed column, and a first communicating pipe is arranged on the grinding box; install inside grinding the incasement portion through setting up the grinding portion, utilize driving motor to drive the live-rollers at the fixed roll internal rotation to the grinding ring one and the grinding ring two of cooperation dislocation installation and the distance between live-rollers and the fixed roll reduce in proper order and make the great cubic material of volume can be ground fast and smash, and then can guarantee the finished product precision when later stage shaping sintering, effectively promote the machining precision, and simple structure.

Description

Powder metallurgy die capable of improving machining precision

Technical Field

The utility model belongs to the technical field of powder metallurgy, concretely relates to can improve powder metallurgy die of machining precision.

Background

Powder metallurgy is a process technology for manufacturing metal powder or metal powder serving as a raw material and manufacturing metal materials, composite materials and various products through forming and sintering, and the powder metallurgy method has a similar place to ceramic production and belongs to a powder sintering technology.

The existing powder metallurgy die can cause inferior-quality products to appear after the forming and sintering if a large-volume blocky material appears in metal powder during the operation, the processing precision is greatly reduced, an effective loose structure is lacked when the metal powder is added into the die, and the material conveying efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can improve powder metallurgy die of machining precision, use through being provided with grinding portion and conveying part cooperation and be used in order to solve the current powder metallurgy die that proposes in the above-mentioned background art and then can lead to appearing the substandard product after the shaping sintering if the great cubic material of volume appears in the metal powder in carrying out the operation in-process, machining precision greatly reduced, and lack effectual loose structure when metal powder adds the mould inside, problem that material conveying efficiency is low.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can improve powder metallurgy die of machining precision, includes the mould main part, there is the base plate mould main part top through stand fixed mounting, the last surface mounting of base plate has the grinding case, the left surface of grinding case is provided with the filling tube, the loading hopper is installed on the top of filling tube, the internally mounted of grinding case has the grinding portion that is used for grinding, the transport case is installed through the fixed column to the lower surface of base plate, be provided with communicating pipe one on the grinding case, communicating pipe one passes the through-hole that the base plate upper surface was seted up and extends to the base plate below and communicate with the transport case mutually, be provided with communicating pipe two on the transport case and communicate with the mould main part mutually communicating pipe two, transport case internally mounted has the transport portion that is used for carrying.

Adopt above-mentioned scheme, install inside grinding box through setting up grinding part, utilize driving motor to drive the live-rollers at the fixed roll internal rotation, and the grinding tooth ring one and the grinding tooth ring two of cooperation dislocation installation and the distance between live-rollers and the fixed roll reduce in proper order and make the great cubic material of volume can be ground fast and smash, and then can guarantee the finished product precision when later stage shaping sintering, effectively promote the machining precision, and simple structure, through setting up transport part, utilize driving motor two to drive the bull stick and rotate, the bull stick drives helical blade and rotates, and then can make it enter into inside the mould main part to carrying fast through kibbling material, and then can effectively promote material transport rate, and avoid blockking up, and then promote powder metallurgy machining efficiency, thereby perfect function diversity.

In a preferred embodiment, the grinding part comprises a first driving motor, a rotating roller and a fixed roller, the first driving motor is electrically connected with an external power supply and is mounted on the upper surface of the grinding box, an output shaft of the first driving motor extends into the grinding box through a bearing clamped on the upper surface of the grinding box and is fixedly connected with the rotating roller, the rotating roller is arranged inside the fixed roller, and the fixed roller is mounted on the inner wall of the grinding box.

Adopt above-mentioned scheme, drive the live-rollers rotation through installing driving motor one, utilize the live-rollers to rotate at the inside fixed roll to make both mutually support and can effectively grind the great cubic powder of volume, thereby can avoid the problem that the direct shaping sintering of the great cubic powder of volume influences the machining precision.

As a preferred embodiment, conveying part includes driving motor two, bull stick and helical blade, driving motor two install the left surface at the delivery box and with external power supply electric connection, the output shaft of driving motor two pass the bearing two of delivery box left surface joint extend to the delivery box inside and with the bull stick between fixed connection, helical blade fixed connection is at the surface of bull stick.

By adopting the above scheme, drive the bull stick through installing driving motor two and rotate, utilize the bull stick to drive helical blade and rotate to inside can helical blade's rotation made the material can be carried to the mould main part downwards fast, and then effectively promote material transport rate.

In a preferred embodiment, the distance between the outer surface of the rotating roller and the inner side wall of the fixed roller decreases from top to bottom.

Adopt above-mentioned scheme, reduce in proper order from the top down through the distance from the outside surface with the live-rollers and the fixed roll inside wall between, and then make the material add grinding incasement after can slide down and cooperate the live-rollers in the rotation to carry out effective grinding to it under self action of gravity and smash, it is effectual to smash, and simple structure.

In a preferred embodiment, a plurality of first grinding tooth rings and a plurality of second grinding tooth rings are respectively mounted on the outer surface of the rotating roller and the inner side wall of the fixed roller, and the first grinding tooth rings and the second grinding tooth rings are mounted in a staggered manner.

Adopt above-mentioned scheme, through being provided with the grinding ring gear one and the grinding ring gear two of dislocation installation, and then can drive grinding ring gear when making the live-rollers rotate and rotate in step, and then utilize the grinding ring gear one and the grinding ring gear two of dislocation to come further grinding extrusion to the material and smash, effectively promote grinding efficiency and grinding precision.

Compared with the prior art, the beneficial effects of the utility model are that:

the powder metallurgy die capable of improving the processing precision is arranged in a grinding box through the grinding part, the driving motor is used for driving the rotating roller to rotate in the fixed roller, and the distances between the grinding toothed ring I and the grinding toothed ring II which are installed in a staggered mode and between the rotating roller and the fixed roller are reduced in sequence, so that massive materials with large volumes can be quickly ground and crushed, the finished product precision during later-stage forming sintering can be guaranteed, the processing precision is effectively improved, and the powder metallurgy die is simple in structure;

this can improve powder metallurgy die of machining precision utilizes two drive rotating levers of driving motor to rotate through setting up transport portion, and the rotating lever drives helical blade and rotates, and then can make it enter into the mould main part through kibbling material fast transport inside, and then can effectively promote material transport rate, and avoid blockking up, and then promote powder metallurgy machining efficiency to perfect functional diversity.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a front view half-section of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention.

In the figure: 1. a mold body; 2. a column; 3. a substrate; 4. grinding a box; 5. a feed tube; 6. a hopper; 7. a grinding section; 7001. driving a motor I; 7002. a rotating roller; 7003. a fixed roller; 8. a delivery box; 9. fixing a column; 10. a first communicating pipe; 11. a conveying section; 1101. a second driving motor; 1102. a rotating rod; 1103. a helical blade; 12. grinding the first gear ring; 13. grinding a second gear ring; 14. and a second communicating pipe.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-3, the present invention provides a powder metallurgy die capable of improving processing accuracy, including a die main body 1, a base plate 3 is fixedly mounted above the die main body 1 through an upright post 2, a grinding box 4 is mounted on the upper surface of the base plate 3, a feeding tube 5 is disposed on the left side surface of the grinding box 4, a feeding hopper 6 is mounted on the top end of the feeding tube 5, a grinding portion 7 for grinding is mounted inside the grinding box 4, the grinding portion 7 includes a driving motor 7001, a rotating roller 7002 and a fixed roller 7003, the driving motor 7001 is electrically connected with an external power supply and mounted on the upper surface of the grinding box 4, an output shaft of the driving motor 7001 passes through a bearing clamped on the upper surface of the grinding box 4, extends into the grinding box 4 and is fixedly connected with the rotating roller 7002, the rotating roller 7002 is disposed inside the fixed roller 7003, and the fixed roller 7003 is mounted on the inner wall of the grinding box 4 (see fig. 1, b, Fig. 2 and 3); through installing driving motor one 7001 and driving live-rollers 7002 and rotate, utilize live-rollers 7002 to rotate at fixed roller 7003 inside to make both mutually support and can effectively grind the great cubic powder of volume, thereby can avoid the problem that the great cubic powder direct forming sintering influences the machining precision.

The distance between the outer surface of the rotating roller 7002 and the inner side wall of the fixed roller 7003 decreases from top to bottom in this order (see fig. 2 and 3); through reducing distance from the top down in proper order between the surface with live-rollers 7002 and the fixed roller 7003 inside wall, and then can slide down and cooperate live-rollers 7002 in the rotation to carry out effective grinding to it after making the material add grinding case 4 in and smash under self action of gravity, it is effectual to smash, and simple structure.

A plurality of grinding tooth rings I12 and a plurality of grinding tooth rings II 13 are respectively arranged on the outer surface of the rotating roller 7002 and the inner side wall of the fixed roller 7003, and the grinding tooth rings I12 and the grinding tooth rings II 13 are arranged in a staggered manner (see fig. 2 and 3); through being provided with the grinding ring gear 12 and the grinding ring gear 13 of dislocation installation, and then can drive when making the rotation roller 7002 rotate grinding ring gear 12 synchronous rotation, and then utilize the grinding ring gear 12 and the grinding ring gear 13 of dislocation to come to further grind the extrusion to the material and smash, effectively promote grinding efficiency and grinding precision.

A conveying box 8 is mounted on the lower surface of the substrate 3 through a fixing column 9, a first communicating pipe 10 is arranged on the grinding box 4, the first communicating pipe 10 extends to the lower side of the substrate 3 through a through hole formed in the upper surface of the substrate 3 and is communicated with the conveying box 8, a second communicating pipe 14 is arranged on the conveying box 8 and is communicated with the mold main body 1, a conveying part 11 for conveying is mounted inside the conveying box 8, the conveying part 11 comprises a second driving motor 1101, a rotating rod 1102 and a spiral blade 1103, the second driving motor 1101 is mounted on the left side surface of the conveying box 8 and is electrically connected with an external power supply, an output shaft of the second driving motor 1101 extends to the inside of the conveying box 8 through a second bearing clamped on the left side surface of the conveying box 8 and is fixedly connected with the rotating rod 1102, and the spiral blade 1103 is fixedly connected to the outer; drive bull stick 1102 through installing driving motor two 1101 and rotate, utilize bull stick 1102 to drive helical blade 1103 and rotate to inside can the rotation of helical blade 1103 make the material can be carried to mould main part 1 downwards fast, and then effectively promote material transport rate.

When the material conveying device is used, firstly, materials are added into a feeding hopper 6 and enter a grinding box 4 through a feeding pipe 5, a first driving motor 7001 and a second driving motor 1101 are started, the first driving motor 7001 drives a rotating roller 7002 to rotate inside a fixed roller 7003, under the action of a first grinding tooth ring 12 and a second grinding tooth ring 13, the distance of which is sequentially reduced from top to bottom and is installed in a staggered mode, large-size blocky materials can be quickly ground and crushed, the strictly crushed materials enter a conveying box 8 through a first communicating pipe 10, the second driving motor 1101 drives a spiral blade 1103 to rotate through a rotating rod 1102, and then the materials can be conveyed to enable the materials to quickly enter a die body 1 through a second communicating pipe 14 for die processing operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a can improve powder metallurgy die of machining precision, includes mould main part (1), its characterized in that: a base plate (3) is fixedly arranged above the die main body (1) through an upright post (2), a grinding box (4) is arranged on the upper surface of the base plate (3), a feeding pipe (5) is arranged on the left side surface of the grinding box (4), a feeding hopper (6) is arranged at the top end of the feeding pipe (5), a grinding part (7) for grinding is arranged in the grinding box (4), the lower surface of the base plate (3) is provided with a conveying box (8) through a fixing column (9), a first communicating pipe (10) is arranged on the grinding box (4), the first communicating pipe (10) passes through a through hole formed in the upper surface of the base plate (3) and extends to the lower part of the base plate (3) and is communicated with the conveying box (8), a second communicating pipe (14) is arranged on the conveying box (8), the second communicating pipe (14) is communicated with the mould main body (1), and a conveying part (11) for conveying is arranged in the conveying box (8).

2. The powder metallurgy die capable of improving the processing precision according to claim 1, wherein: the grinding part (7) comprises a first driving motor (7001), a rotating roller (7002) and a fixed roller (7003), the first driving motor (7001) is electrically connected with an external power supply and is installed on the upper surface of the grinding box (4), an output shaft of the first driving motor (7001) penetrates through a first bearing clamped on the upper surface of the grinding box (4), extends into the grinding box (4) and is fixedly connected with the rotating roller (7002), the rotating roller (7002) is arranged inside the fixed roller (7003), and the fixed roller (7003) is installed on the inner wall of the grinding box (4).

3. The powder metallurgy die capable of improving the processing precision according to claim 1, wherein: conveying part (11) include driving motor two (1101), bull stick (1102) and helical blade (1103), driving motor two (1101) install the left surface at delivery box (8) and with external power supply electric connection, the output shaft of driving motor two (1101) pass the bearing two of delivery box (8) left surface joint extend to delivery box (8) inside and with between the bull stick (1102) fixed connection, helical blade (1103) fixed connection is at the surface of bull stick (1102).

4. The powder metallurgy die capable of improving the processing precision according to claim 2, wherein: the distance between the outer surface of the rotating roller (7002) and the inner side wall of the fixed roller (7003) is reduced from top to bottom.

5. The powder metallurgy die capable of improving the processing precision according to claim 2, wherein: a plurality of grinding tooth ring I (12) and a plurality of grinding tooth ring II (13) are respectively installed on the outer surface of the rotating roller (7002) and the inner side wall of the fixed roller (7003), and the grinding tooth ring I (12) and the grinding tooth ring II (13) are installed in a staggered mode.

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