CN211176249U

CN211176249U - Die casting machine injection punch lubricating system

Info

Publication number: CN211176249U
Application number: CN201922441600.2U
Authority: CN
Inventors: 薛金磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-08-04
Anticipated expiration: 2029-12-30

Abstract

The utility model provides a drift lubricating system is penetrated to die casting machine pressure, the die casting machine body has into the feed cylinder and with the interior metal of a pan feeding section of thick bamboo dissolve hydraulic pressure to the mould in press the drift, press the axial of penetrating the drift outer peripheral face upward the interval and set up a plurality of circumference annuluses that are used for mobile lubricating oil, the axial straight flute that is used for communicateing a plurality of circumference annuluses is seted up to the inner peripheral surface of income feed cylinder. Above-mentioned drift lubricating system is penetrated to die casting machine, when lubricating oil pours into the axial straight flute into, the lubricating oil of axial straight flute can flow to circumferential ring groove, when lubricating oil pours into a circumferential ring groove into, the lubricating oil accessible axial straight flute in the circumferential ring groove flows to peripheral circumferential ring groove, can realize that lubricating oil is comprehensive and even covers the outer peripheral face of penetrating the drift at the pressure in the drift advance and retreat process of penetrating to realize lubricating oil make full use of, practice thrift the cost simultaneously, still can avoid the influence to the die-casting product yields.

Description

Die casting machine injection punch lubricating system

Technical Field

The utility model relates to a die-casting equipment technical field, concretely relates to drift lubricating system is penetrated to pressure of die casting machine.

Background

The lubricating system of the injection punch of the die casting machine is an essential process system in die casting production, and plays an important role in the service life and the production benefit of the injection punch.

The lubricating oil is generally coated or sprayed on the upper side of the outer peripheral surface of the injection punch head in a conventional lubricating mode, the lubricating oil automatically flows for a circle and then covers the entire outer peripheral surface of the injection punch head, the coating mode has high requirements on the using amount of the lubricating oil, and the lubricating oil is difficult to uniformly cover the outer peripheral surface of the injection punch head.

Two lubricating media commonly used for lubricating an injection punch in the prior art are as follows: the first is lubricating oil, when the lubricating oil is dripped or sprayed on an injection punch, redundant lubricating oil drips on equipment to cause waste and pollution; the second type is a granular lubricant, which is usually blown into the feeding cylinder by an air supply device, and when the feeding cylinder is filled with the metal solution, the granular lubricant melts and generates a large amount of exhaust gas to diffuse into the workshop, and part of the exhaust gas is involved in the metal solution to form pores, resulting in poor product.

In view of this, the present invention is especially provided.

Disclosure of Invention

To the problem that exists among the prior art, the utility model provides a drift lubricating system is penetrated to pressure of die casting machine to realize that the coating that lubricating oil can be even penetrates the outer peripheral face of drift.

In order to realize the above object, the utility model provides a die casting machine is penetrated drift lubricating system, the die casting machine body has into the feed cylinder and penetrates the drift with the interior metal of pan feeding section of thick bamboo in hydraulic pressure to the mould, penetrate the axial of drift outer peripheral face and upward set up a plurality of circumference annulars that are used for mobile lubricating oil at the interval, the axial straight flute that is used for communicateing a plurality of circumference annulars is seted up to the inner peripheral surface of feed cylinder.

The utility model provides a drift lubricating system is penetrated to die casting machine pressure, when lubricating oil pours into the axial straight flute into, the lubricating oil of axial straight flute can flow to circumference annular, when lubricating oil pours into a circumference annular into, the lubricating oil accessible axial straight flute in the circumference annular flows to peripheral circumference annular, in order to reach the lubricating oil pressure balance in every circumference annular of pressure injection drift, the outer peripheral face of pressure injection drift when advancing is penetrated to the pressure injection drift wipes pan feeding section of thick bamboo inner peripheral surface, in order to reach the outer peripheral face that lubricating oil is comprehensive and even cover at the pressure injection drift, realize lubricating oil make full use of, the cost is practiced thrift simultaneously, still can avoid the influence to die-casting product yields.

Additionally, the utility model discloses a drift lubricating system is penetrated to die casting machine pressure can also have following additional technical characterstic:

The utility model discloses an example, the axial straight flute is three, and evenly distributed is on the inner peripheral surface of income feed cylinder.

In an example of the present invention, the bottom surface of the axial straight groove is an arc surface.

The utility model discloses an example, set up the oil filler point with axial straight flute intercommunication on the pan feeding section of thick bamboo periphery.

The utility model discloses an example, be provided with attach fitting on the oil filler point.

The utility model discloses an example, still include pneumatic source, electromagnetism pneumatic valve, lubricating pump and oil storage bucket; the oil storage barrel is characterized in that a first oil delivery pipe connected with the oil inlet end of the lubricating pump extends into the oil storage barrel, the oil outlet end of the lubricating pump is communicated with a connecting joint through a second oil delivery pipe, the input end of the electromagnetic pneumatic valve is connected with a pneumatic source, and the output end of the electromagnetic pneumatic valve is connected with the lubricating pump.

The utility model discloses an example, first defeated oil pipe facial make-up is equipped with first check valve, first check valve is used for controlling the interior lubricating oil of first defeated oil pipe and can only flow to the lubricating pump oil feed end.

The utility model discloses an example, the defeated oil pipe facial make-up of second is equipped with the second check valve, the second check valve is used for controlling the interior lubricating oil of second defeated oil pipe and can only to the flow of oiling hole department.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a lubricating system for an injection punch of a die casting machine according to the embodiment;

FIG. 2 is a schematic view of the feed barrel of FIG. 1;

FIG. 3 is a schematic view of the press ram of FIG. 1;

In the reference symbols: 1. feeding into a charging barrel; 11. an axial straight groove; 12. an oil filler hole; 13. connecting a joint; 2. injecting a punch; 21. a circumferential ring groove; 3. an electromagnetic pneumatic valve; 4. a lubrication pump; 5. an oil storage barrel; 61. a first oil delivery pipe; 62. a second oil delivery pipe; 71. a first check valve; 72. a second one-way valve;

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Example (b):

Combine fig. 1 to fig. 3 to show, this embodiment provides a die casting machine injection drift lubricating system, including the die casting machine body, the die casting machine body has into feed cylinder 1 and will go into in the feed cylinder 1 metal solution liquid pressure to the mould press the injection drift 2, a plurality of circumference annular 21 that are used for flowing lubricating oil are seted up at the interval in the axial of 2 outer peripheral faces of injection drift, the axial straight flute 11 that is used for communicateing a plurality of circumference annular 21 is seted up to the inner peripheral surface of feed cylinder 1 at least.

The injection punch lubricating system of the die casting machine provided by the embodiment, when lubricating oil is injected into the axial straight groove 11, the lubricating oil in the axial straight groove 11 can flow into the circumferential ring groove 21, when the lubricating oil is injected into the circumferential ring groove 21, the lubricating oil in the circumferential ring groove 21 can flow into the circumferential ring groove 21 through the axial straight groove 11, so that the pressure balance of the lubricating oil in each circumferential ring groove 21 of the injection punch 2 is achieved, the peripheral surface of the injection punch 2 wipes the inner peripheral surface of the charging barrel 1 when the injection punch 2 moves forward, so that the lubricating oil is completely and uniformly covered on the peripheral surface of the injection punch 2, the lubricating oil is fully utilized, the cost is saved, and the influence on the yield of die casting products can be avoided.

Preferably, in this embodiment, the number of the axial straight grooves 11 is three, and the axial straight grooves 11 are uniformly distributed on the inner circumferential surface of the charging barrel 1, and the three axial straight grooves 11 can further shorten the time required for the lubricating oil to uniformly cover the outer circumferential surface of the injection punch 2, thereby improving the lubricating effect.

Preferably, in this embodiment, the inner bottom surface of the axial straight groove 11 is a circular arc surface, and the circular arc-shaped axial straight groove 11 is beneficial to the sufficient flow of the lubricating oil and is beneficial to reducing the use cost of the lubricating oil.

Preferably, in the present embodiment, an oil filling hole 12 communicating with the axial straight groove 11 is formed in the outer peripheral surface of the charging barrel 1, a connection joint 13 is provided on the oil filling hole 12, and the oil filling hole 12 may be formed near the tail end of the charging barrel 1 or may be formed in a sliding fit portion between the charging barrel 1 and the injection punch 2.

For realizing automatic fuel feeding, the die casting machine is penetrated plunger tip lubricating system that this embodiment provided still includes pneumatic source, electromagnetic pneumatic valve 3, lubricating pump 4 and oil storage bucket 5, first defeated oil pipe 61 that 4 oil feed ends of lubricating pump are connected stretches into in the

oil storage bucket

5, 4 oil ends of lubricating pump are defeated oil pipe 62 and attach fitting 13 intercommunication through the second, electromagnetic pneumatic valve 3's input and pneumatic source are connected, electromagnetic pneumatic valve 3's output and lubricating pump 4 are connected.

In this embodiment, the lubricating pump 4 is preferably a quantitative lubricating pump, when lubricating oil needs to be coated on the injection punch 2, after the injection punch 2 is retracted to the back limit position, the die casting machine body gives a signal for lubricating the injection punch 2, the electromagnetic pneumatic valve 3 is energized to operate, the pneumatic source pushes the lubricating pump 4 to output the lubricating oil, the lubricating oil is injected into the axial straight groove 11 communicated with the connecting joint 13 through the second check valve 72, the lubricating oil in the axial straight groove 11 communicated with the connecting joint 13 flows to the circumferential annular groove 21, the lubricating oil in the circumferential annular groove 21 is injected into the circumferential annular groove 21 with low lubricating oil pressure again through other axial straight grooves 11, so that the lubricating oil quickly and uniformly covers the inner surface of the feeding barrel 1 corresponding to the circumferential annular groove 21, and the flow rate of the lubricating oil can be adjusted according to the size of the injection punch 2.

In this embodiment, the first oil delivery pipe 61 is provided with a first check valve 71, the first check valve 71 is used for controlling the lubricating oil in the first oil delivery pipe 61 to flow only to the oil inlet of the lubricating pump 4, and the first check valve 71 is arranged to prevent the first oil delivery pipe 61 from flowing backwards.

In this embodiment, the second oil delivery pipe 62 is provided with a second check valve 72, the second check valve 72 is used for controlling the lubricating oil in the second oil delivery pipe 62 to flow only to the oil filling hole 12, and the second check valve 72 is arranged to prevent the second oil delivery pipe 62 from flowing backwards.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a die casting machine is penetrated drift lubricating system, includes the die casting machine body, the die casting machine body has into feed cylinder (1) and will go into interior metal of feed cylinder (1) and dissolve hydraulic pressure to the mould and penetrate drift (2), press the axial of penetrating drift (2) outer peripheral face to go up the interval and offer a plurality of circumference annular (21) that are used for mobile lubricating oil, its characterized in that: the inner circumferential surface of the charging barrel (1) is provided with at least one axial straight groove (11) for communicating a plurality of circumferential ring grooves (21).

2. The die casting machine shot punch lubrication system of claim 1 further comprising: the number of the axial straight grooves (11) is three, and the axial straight grooves are uniformly distributed on the inner circumferential surface of the charging barrel (1).

3. The die casting machine shot punch lubrication system of claim 2 further comprising: the inner bottom surface of the axial straight groove (11) is a circular arc surface.

4. The die casting machine shot punch lubrication system of claim 1 further comprising: and an oil filling hole (12) communicated with the axial straight groove (11) is formed in the outer peripheral surface of the charging barrel (1).

5. The die casting machine shot punch lubrication system of claim 4 further comprising: and a connecting joint (13) is arranged on the oil filling hole (12).

6. The die casting machine shot punch lubrication system of claim 5 further comprising: the device also comprises a pneumatic source, an electromagnetic pneumatic valve (3), a lubricating pump (4) and an oil storage barrel (5);

First defeated oil pipe (61) of lubricant pump (4) oil feed end connection stretch into in oil storage bucket (5), lubricant pump (4) oil outlet end is passed through second defeated oil pipe (62) and attach fitting (13) intercommunication, the input and the pneumatic source of electromagnetic pneumatic valve (3) are connected, the output and the lubricant pump (4) of electromagnetic pneumatic valve (3) are connected.

7. The die casting machine shot punch lubrication system of claim 6 further comprising:

The lubricating oil delivery device is characterized in that a first check valve (71) is arranged on the first oil delivery pipe (61), and the first check valve (71) is used for controlling lubricating oil in the first oil delivery pipe (61) to flow to the oil inlet end of the lubricating pump (4).

8. The die casting machine shot punch lubrication system of claim 7 further comprising:

And the second oil delivery pipe (62) is provided with a second one-way valve (72), and the second one-way valve (72) is used for controlling lubricating oil in the second oil delivery pipe (62) to flow to the oil hole (12) only.