CN211564464U

CN211564464U - Pressure head self-lubricating's exhaust formula die casting machine melts cup

Info

Publication number: CN211564464U
Application number: CN201922409425.9U
Authority: CN
Inventors: 陈枫
Original assignee: Yancheng Taiouchang Machinery Co ltd
Current assignee: Yancheng Taiouchang Machinery Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-09-25
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses an exhaust formula die casting machine melting cup of pressure head self-lubricating relates to pressure casting technical field. The hot melt cup comprises a hot melt cup body, wherein an injection cavity is arranged in the middle of the hot melt cup body, a movable plunger is arranged in the injection cavity in a sliding mode, a liquid injection port is formed in the hot melt cup body, a first loop and a second loop are sequentially arranged on the inner wall of the injection cavity from top to bottom, a solid self-lubricating material is filled in the first loop, an air hole is formed in the second loop, a strip-shaped guide groove is formed in the inner wall of the injection cavity, and the strip-shaped guide groove is communicated with the second loop. This exhaust type die casting machine melting cup of pressure head self-lubricating through setting up second ring channel, bleeder vent and strip guide slot, has realized the effectual advantage of exhaust, and when the activity plunger slided along pressing the shooting chamber, because the strip guide slot is great elongated groove, there is pressure differential in strip guide slot and the shooting chamber, when forcing thick liquids to pass through from pressing the position of shooting chamber place, the gas that pressure differential produced was through strip guide slot, second ring channel and bleeder vent thoroughly discharges.

Description

Pressure head self-lubricating's exhaust formula die casting machine melts cup

Technical Field

The utility model relates to a pressure casting technical field specifically is an exhaust formula die casting machine melting cup of pressure head self-lubricating.

Background

The die casting machine is a machine for pressure casting and comprises a hot pressure chamber and a cold pressure chamber, the hot pressure chamber and the cold pressure chamber are divided into a straight type and a horizontal type, the die casting machine injects molten metal into a die to be cooled and formed under the action of pressure, a solid metal casting can be obtained after die opening, the solid metal casting is used for die casting type at first, the die casting technology is developed rapidly along with the progress of scientific technology and industrial production, particularly along with the development of industries such as automobiles, motorcycles, household appliances and the like, a melting cup is a device in the operation of the die casting machine, and the existing melting cup has the following defects in the using process:

1. after a molded product is produced, lubricating oil on the movable plunger is lost, most of the movable plunger is exposed out of the injection cylinder before the next die is produced, and then lubricating oil mist is sprayed, so that the lubrication of the movable plunger is ensured, but in the operation process, the lubricating oil is sprayed on the movable plunger after each die-casting operation is finished, and the next die-casting operation can be carried out after the spraying is finished, so that the working efficiency is influenced;

2. the existing melting cup of the die casting machine is not provided with an exhaust hole or is only provided with a small exhaust hole, so that the gas in the slurry cannot be exhausted, and the produced casting has the defects of air holes and the like.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a pressure head self-lubricating's exhaust formula die casting machine melts cup possesses lubricated effectual, work efficiency is high and exhaust advantage such as effectual, has solved the problem of the unable exhaust of gas in current lubricating oil fog inefficiency, the thick liquids.

(II) technical scheme

For the purpose that realizes that above-mentioned lubricated effectual, work efficiency is high and exhaust effect is good, the utility model provides a following technical scheme: the utility model provides an exhaust type die casting machine melting cup of pressure head self-lubricating, includes the melting cup body, the middle part of melting cup body is equipped with presses the die cavity, it is provided with movable plunger to press the intracavity slip, seted up on the melting cup body and annotated the liquid mouth, press the intracavity wall from last to being equipped with first ring road and second ring road down in proper order, first ring road intussuseption is filled with solid self-lubricating material, the bleeder vent has been seted up on the second ring road, press the intracavity wall to have seted up the strip guide slot, the strip guide slot is linked together with the second ring road.

As an optimized technical scheme of the utility model, the nose portion of activity plunger is the chamfer and handles, the top limit mouth department of pressing the die cavity is the chamfer and handles.

As a preferred technical scheme of the utility model, annotate the liquid mouth and be the rectangle form setting, and its edge is for being the chamfer and handle.

As a preferred technical scheme of the utility model, first ring road and second ring road all are located annotate liquid mouth position department on the upper side, and first ring road and second ring road keep certain wide interval.

As a preferred technical scheme of the utility model, the bleeder vent is the annular around distributing on the second ring road, and the outside of bleeder vent is the chamfer and handles.

As a preferred technical scheme of the utility model, the strip guide slot is the annular around distributing in pressing and penetrates the intracavity, and the opening part of strip guide slot is the chamfer and handles.

(III) advantageous effects

Compared with the prior art, the utility model provides an exhaust formula die casting machine melting cup of pressure head self-lubricating possesses following beneficial effect:

1. this exhaust formula die casting machine melting cup of pressure head self-lubricating through setting up first ring way and solid self-lubricating material, has realized lubricated effectual, advantage that work efficiency is high, and when the movable plunger slided along pressing the shooting chamber, the grease of the solid self-lubricating material in the first ring way can slowly outwards spill over, plays the effect of self-lubricating, can keep the good lubrication of longer time, avoids regular at movable plunger surface coating lubricating oil and reduces work efficiency.

2. This exhaust type die casting machine melting cup of pressure head self-lubricating through setting up second ring channel, bleeder vent and strip guide slot, has realized the effectual advantage of exhaust, and when the activity plunger slided along pressing the shooting chamber, because the strip guide slot is great elongated groove, there is pressure differential in strip guide slot and the shooting chamber, when forcing thick liquids to pass through from pressing the position of shooting chamber place, the gas that pressure differential produced was through strip guide slot, second ring channel and bleeder vent thoroughly discharges.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a sectional view of the melting cup body of the present invention.

In the figure: 1. a melting cup body; 2. an injection cavity; 3. a movable plunger; 4. a liquid injection port; 5. a first loop; 6. a second loop; 7. a solid self-lubricating material; 8. air holes are formed; 9. and a strip-shaped guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a melting cup of a ram self-lubricating exhaust type die casting machine comprises a melting cup body 1, wherein an injection cavity 2 is arranged in the middle of the melting cup body 1, a movable plunger 3 is slidably arranged in the injection cavity 2, a liquid injection port 4 is formed in the melting cup body 1, a first loop 5 and a second loop 6 are sequentially arranged on the inner wall of the injection cavity 2 from top to bottom, a solid self-lubricating material 7 is filled in the first loop 5, the first loop 5 and the solid self-lubricating material 7 are arranged, so that the advantages of good lubricating effect and high working efficiency are achieved, when the movable plunger 3 slides along the injection cavity 2, grease of the solid self-lubricating material 7 in the first loop 5 can slowly overflow outwards, the self-lubricating effect is achieved, good lubrication can be maintained for a long time, and the problem that the working efficiency is reduced due to frequent spraying of lubricating oil on the surface of the movable plunger 3 is avoided, the second ring channel 6 is provided with the air holes 8, the inner wall of the injection cavity 2 is provided with the strip-shaped guide grooves 9, the strip-shaped guide grooves 9 are communicated with the second ring channel 6, and the second ring channel 6, the air holes 8 and the strip-shaped guide grooves 9 are arranged, so that the advantage of good exhaust effect is realized, when the movable plunger 3 slides along the injection cavity 2, because the strip-shaped guide grooves 9 are large long grooves, pressure difference exists between the strip-shaped guide grooves 9 and the injection cavity 2, and when slurry is forced to pass through the position of the injection cavity 2, gas generated by the pressure difference is thoroughly exhausted through the strip-shaped guide grooves 9, the second ring channel 6 and the air holes 8.

Specifically, the head end part of the movable plunger 3 is chamfered, and the top end edge opening of the injection cavity 2 is chamfered.

In the embodiment, the movable plunger 3 is favorably butted into the injection cavity 2 to play a certain guiding role.

Specifically, the liquid injection port 4 is rectangular, and the edge thereof is chamfered.

In the present embodiment, the die-cast molding of the work is performed by introducing the alloy slurry through the injection port 4.

Specifically, the first loop 5 and the second loop 6 are both located above the liquid injection port 4, and a certain wide distance is kept between the first loop 5 and the second loop 6.

In this embodiment, first ring way 5 is used for splendid attire solid self-lubricating material 7, and second ring way 6 plays the effect of intercommunication bleeder vent 8 and strip guide slot 9, and solid self-lubricating material 7 is meant to utilize solid powder, film or some bulk material to reduce the frictional wear effect between two bearing surfaces, and solid self-lubricating material 7 can select graphite fluoride, boron nitride and polytetrafluoroethylene etc..

Specifically, the air holes 8 are annularly distributed on the second ring path 6 in a surrounding manner, and the outer sides of the air holes 8 are subjected to chamfering treatment.

In this embodiment, the gas generated by the pressure differential is completely vented through the vent holes 8 as the slurry passes through the location of the shot chamber 2.

Specifically, the strip-shaped guide grooves 9 are annularly distributed in the injection cavity 2 in a surrounding manner, and the openings of the strip-shaped guide grooves 9 are chamfered.

In the present embodiment, when the movable plunger 3 slides along the shot chamber 2, there is a pressure difference between the strip guide groove 9 and the shot chamber 2 because the strip guide groove 9 is a large long groove.

The utility model discloses a theory of operation and use flow: when the die-casting machine is used for die-casting production, the melting cup body 1 is fixed on a front plate of the die-casting machine, the die is positioned and installed with the melting cup body 1 through the sprue bush, an inner bore of the sprue bush is communicated with a cavity of the die, alloy liquid enters the injection cavity 2 of the melting cup body 1 through the liquid injection port 4, the alloy liquid is filled into the die cavity through the inner bore of the sprue bush through the movement of the movable plunger 3 in the injection cavity 2, in the process, when the movable plunger 3 slides along the injection cavity 2, because the strip-shaped guide groove 9 is a large long-shaped groove, pressure difference exists between the strip-shaped guide groove 9 and the injection cavity 2, when slurry is forced to pass through the position of the injection cavity 2, gas generated by the pressure difference is thoroughly discharged through the strip-shaped guide groove 9, the second ring 6 and the air vent 8, when the movable plunger 3 slides along the injection cavity 2, grease of the solid self-lubricating material 7 in the first ring 5 slowly overflows outwards, the self-lubricating effect is achieved.

In conclusion, the melting cup of the pressure head self-lubricating exhaust type die casting machine has the advantages of good lubricating effect and high working efficiency by arranging the first annular channel 5 and the solid self-lubricating material 7, and when the movable plunger 3 slides along the injection cavity 2, grease of the solid self-lubricating material 7 in the first annular channel 5 can slowly overflow outwards to play a self-lubricating effect, so that good lubrication can be kept for a long time, and the phenomenon that the working efficiency is reduced by frequently spraying lubricating oil on the surface of the movable plunger 3 is avoided; the second annular channel 6, the air holes 8 and the strip-shaped guide groove 9 are arranged, so that the advantage of good exhaust effect is realized, when the movable plunger 3 slides along the injection cavity 2, because the strip-shaped guide groove 9 is a large long-shaped groove, pressure difference exists between the strip-shaped guide groove 9 and the injection cavity 2, and when slurry is forced to pass through the position of the injection cavity 2, gas generated by the pressure difference is thoroughly discharged through the strip-shaped guide groove 9, the second annular channel 6 and the air holes 8.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

1. The utility model provides a pressure head self-lubricating's exhaust formula die casting machine melting cup, includes melting cup body (1), its characterized in that: the middle part of melting cup body (1) is equipped with and presses and penetrates chamber (2), it is provided with movable plunger (3) to slide in pressing and penetrates chamber (2), it annotates liquid mouth (4) to have seted up on melting cup body (1), press and penetrate chamber (2) inner wall from last to being equipped with first ring way (5) and second ring way (6) down in proper order, first ring way (5) intussuseption is filled with solid self-lubricating material (7), bleeder vent (8) have been seted up on second ring way (6), press and penetrate chamber (2) inner wall and seted up strip guide slot (9), strip guide slot (9) are linked together with second ring way (6).

2. The melt bowl of a ram self-lubricating vented die casting machine of claim 1, wherein: the head end part of the movable plunger (3) is subjected to chamfering treatment, and the top end edge opening of the injection cavity (2) is subjected to chamfering treatment.

3. The melt bowl of a ram self-lubricating vented die casting machine of claim 1, wherein: annotate liquid mouth (4) and be the rectangle setting, and its edge is for being the chamfer and handle.

4. The melt bowl of a ram self-lubricating vented die casting machine of claim 1, wherein: the first loop (5) and the second loop (6) are both positioned at the position above the liquid injection port (4), and a certain wide distance is kept between the first loop (5) and the second loop (6).

5. The melt bowl of a ram self-lubricating vented die casting machine of claim 1, wherein: the air holes (8) are annularly distributed on the second ring channel (6) in a surrounding mode, and the outer sides of the air holes (8) are subjected to chamfering treatment.

6. The melt bowl of a ram self-lubricating vented die casting machine of claim 1, wherein: the strip guide grooves (9) are annularly distributed in the injection cavity (2) in a surrounding mode, and the openings of the strip guide grooves (9) are subjected to chamfering treatment.