CN217595862U

CN217595862U - Quantitative feeding mechanism of particle lubricating device for die casting machine

Info

Publication number: CN217595862U
Application number: CN202221692163.7U
Authority: CN
Inventors: 张娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-10-18
Anticipated expiration: 2032-06-30

Abstract

The utility model provides a die-casting machine is with granule lubricating arrangement's ration feeding mechanism belongs to mechanical technical field. The quantitative feeding mechanism solves the technical problems that quantitative feeding cannot be achieved under the condition that lubricating particles are not extruded in the existing quantitative feeding mechanism. This granule lubricating arrangement's quantitative feeding mechanism for die-casting machine includes hopper and the quantitative conveying subassembly of fixed mounting in the feed opening department of hopper, quantitative conveying subassembly includes the fixing base fixed with the hopper and rotates the rotary disk of connecting in the fixing base, be equipped with the quantitative storage hole that can hold lubricated granule in the quotation of rotary disk, the upper and lower quotation of rotary disk all pastes with the fixing base, the intercommunicating pore that aligns with the feed opening is seted up to the upper end of fixing base, the feed opening has been seted up to the lower extreme of fixing base, the skew intercommunicating pore of feed opening, the quantitative storage hole rotates to the position that aligns with intercommunicating pore and feed opening in proper order when the rotary disk rotates. The utility model has the advantages of realize the ration pay-off under the condition of not extrudeing lubricated granule.

Description

Quantitative feeding mechanism of particle lubricating device for die casting machine

Technical Field

The utility model belongs to the technical field of machinery, a granule lubricating arrangement for die-casting machine is related to, especially a granule lubricating arrangement's quantitative feeding mechanism for die-casting machine.

Background

During the pressure casting production, in order to prolong the service life of the hammer head, the hammer head needs to be lubricated, because the temperature during the operation of the hammer head is higher, at present, oily lubricating particles are adopted to lubricate the hammer head, and the lubricating particles can form a layer of oil film after being heated and melted, so that the lubricating effect can be effectively achieved at high temperature.

When the lubricating device is applied, a set number of lubricating particles are conveyed to the hammer head position for lubricating, so that the effects of lubricating and avoiding waste are achieved; at present, a quantitative feeding mechanism is mainly adopted for realizing the quantitative feeding, as the texture of lubricating particles is soft, a commonly adopted rotary chassis with tooth sockets is used for conveying, the lubricating particles fall into the tooth sockets in the rotating process of the rotary chassis to realize the quantitative conveying, but a part of the lubricating particles fall onto teeth among the tooth sockets, the teeth can act on the inner wall to extrude the part of the lubricating particles by rotating, the extruded lubricating particles can become sticky and adhere to the teeth, the lubricating particles in the tooth sockets can be adhered to the teeth, the lubricating particles conveyed each time are reduced, and the whole tooth sockets can be blocked seriously; in order to solve the above problems, for example, a lubricating particle injection device [ application No. CN201620165530.6 ] disclosed in chinese patent document and a particle lubricating mechanism [ application No. CN201921566080.1 ] of a die casting machine die casting system, which are disclosed in the prior art, implement quantitative feeding by adopting a way of opening or closing a valve, etc., the condition of extruding lubricating particles can be avoided by opening or closing the valve, but the amount of lubricating particles passing through at a time fluctuates greatly, the lubricating effect is affected in a few cases, the lubricating particles are wasted in a many cases, and quantitative feeding cannot be achieved.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a quantitative feeding mechanism of granule lubricating arrangement for die-casting machine, the utility model provides a technical problem be can realize the quantitative pay-off to lubricated granule.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a granule lubricating arrangement's quantitative feeding mechanism for die-casting machine, quantitative feeding mechanism include hopper and the quantitative conveying subassembly of fixed mounting in the feed opening department of hopper, its characterized in that, quantitative conveying subassembly include with the fixed fixing base of hopper with rotate the rotary disk of connecting in the fixing base, be equipped with the quantitative storage hole that can hold lubricated granule in the quotation of rotary disk, the upper and lower quotation of rotary disk all pastes with the fixing base and leans on, the intercommunicating pore that aligns with the feed opening is seted up to the upper end of fixing base, the feed opening has been seted up to the lower extreme of fixing base, the skew intercommunicating pore of feed opening the quantitative storage hole rotates in proper order to the position of aligning with intercommunicating pore and feed opening when the rotary disk rotates.

When the quantitative storage device is used, lubricating particles are stored in the hopper, the lubricating particles are accumulated in the communicating hole through the feed opening under the action of gravity, the lubricating particles can enter the quantitative storage hole aligned with the communicating hole when the rotating disc rotates, the quantitative storage hole in which the lubricating particles are stored is rotated to the position aligned with the feed opening by the rotation of the rotating disc, and the lubricating particles in the quantitative storage hole enter the feed opening under the action of gravity and fall; the upper and lower quotation of rotary disk pastes with the fixing base and leans on, the lower port of ration storage hole is opened when aligning with the feed opening when just rotating, the upper port keeps sealing, the upper port of ration storage hole is opened when aligning with the intercommunication pore, the lower port keeps sealing, the lubricated granule by the extruded condition has been avoided to this structure, consequently the condition that lubricated granule glues can not appear, can guarantee through the ration storage hole that the lubricated granule in the feed opening is all the same under getting into at every turn, realize the quantitative transport lubricated granule.

In the quantitative feeding mechanism of the particle lubricating device for the die casting machine, the rotating disc is provided with a plurality of quantitative storage holes, and the quantitative storage holes are distributed along the circumferential direction. A plurality of ration storage holes can improve conveying efficiency.

In the quantitative feeding mechanism of the particle lubricating device for the die casting machine, the communicating holes are in a sector shape or an arc shape, and the rotating disk is always provided with at least two quantitative storage holes which are aligned and communicated with the communicating holes. This structure has the longer time to keep aliging with the intercommunicating pore when making the rotary disk rotate quantitative storage hole, lubricated granule drops to the quantitative storage hole when quantitative storage hole just got into the position of aliging with the intercommunicating pore, there is great space this moment between the lubricated granule, along with the rotation of rotary disk, can roll when lubricated granule follows the rotary disk and removes, can fill great space between the filling through rolling lubricated granule, constantly supply during lubricated granule gets into the quantitative storage hole in this in-process intercommunicating pore, make the filling of quantitative storage hole be full of lubricated granule, realize that lubricated granule is the same basically in every quantitative storage hole.

Preferably, in the above quantitative feeding mechanism of a particulate lubricating apparatus for die casting machines, the communicating hole is aligned with at least one of the quantitative storage holes in a quarter of the arc length of the circle in which the plurality of quantitative storage holes are located.

In foretell die-casting machine granule lubricating arrangement's quantitative feeding mechanism, quantitative feeding mechanism still includes the air solenoid valve of being connected with the air pump, the lower feed opening department of fixing base is connected with the three-way valve, the first port and the lower feed opening intercommunication of three-way valve, just right second port with first port on the three-way valve are the export, the third port of three-way valve is towards second port and third port and air electrovalve intercommunication. Lubricated granule gets into the three-way valve from the feed opening, through controller control air solenoid valve open or close, air solenoid valve opens after lubricated granule gets into the three-way valve, and high-pressure air blows off lubricated granule from the second port in getting into the three-way valve through the third port, and the second port passes through the pipeline and communicates with terminal conveying mechanism, realizes lubricated granule's high-efficient quantitative transport.

In the quantitative feeding mechanism of the particle lubricating device for the die casting machine, the peripheral surface of the rotating disc is provided with the induction convex blocks which are in one-to-one correspondence with the quantitative material storage holes, the adjacent induction convex blocks are arranged at intervals, the fixed seat is fixed with the proximity switch, and the proximity switch faces the peripheral surface of the rotating disc. When the rotary disk rotates, the induction bump can be close to the proximity switch in sequence, the induction bump can trigger the proximity switch when being close to the proximity switch, the quantitative storage hole is aligned with the blanking hole, the proximity switch sends a signal to the controller, and the controller judges the rotating position of the rotary disk.

In the quantitative feeding mechanism of the particle lubricating device for the die casting machine, the diameter of the quantitative storage hole is 5mm to 15mm. The diameter of lubricated granule is about 1mm, and there is great space in the ration stock chest of this size when avoiding lubricated granule to pile up, guarantees that lubricated granule can inseparabler pile up.

In the quantitative feeding mechanism of the particle lubricating device for the die casting machine, the fixed seat comprises an upper cover plate and a lower cover plate, the communicating hole is formed in the upper cover plate, the lower cover plate is provided with the rotary groove, the rotary disc is rotatably connected in the rotary groove, the blanking hole is formed in the lower cover plate and communicated with the rotary groove, and the upper disc surface and the lower disc surface of the rotary disc are respectively attached to the upper cover plate and the lower cover plate.

In the quantitative feeding mechanism of the particle lubricating device for the die casting machine, a driving motor capable of driving the rotating disc to rotate is fixed on the lower side of the lower cover plate. The controller controls the driving motor to be turned on or turned off, so that the intermittent quantitative feeding is realized.

Compared with the prior art, the quantitative feeding mechanism of the particle lubricating device for the die-casting machine has the advantage of realizing quantitative feeding under the condition of not extruding lubricating particles.

Drawings

Fig. 1 is a schematic perspective view of the quantitative feeding mechanism.

Fig. 2 is a schematic top view of the quantitative feeding mechanism.

Fig. 3 is a schematic perspective view of a dosing assembly.

Fig. 4 is a perspective view illustrating a rotary disk mounted on the lower cover plate.

Fig. 5 is a perspective view of the lower cover plate.

In the figure, 1, a hopper; 11. a feeding port; 2. a fixed seat; 21. an upper cover plate; 211. a communicating hole; 22. a lower cover plate; 221. a rotating tank; 222. a blanking hole; 23. rotating the disc; 231. A quantitative storage hole; 232. sensing the bump; 3. an air solenoid valve; 31. a three-way valve; 311. a second port; 312. a third port; 32. a proximity switch; 33. a drive motor; 34. And a controller.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 5, the quantitative feeding mechanism of the particle lubricating device for the die casting machine comprises a hopper 1, a quantitative conveying assembly fixed at a feed opening 11 of the hopper 1 and an air solenoid valve 3 connected with an air pump, wherein the quantitative conveying assembly comprises a fixed seat 2 and a rotary disk 23 rotatably connected in the fixed seat 2, the fixed seat 2 is fixed at the feed opening 11 of the hopper 1, and comprises an upper cover plate 21 and a lower cover plate 22, the upper cover plate 21 and the lower cover plate 22 are fixed at the feed opening 11 of the feed opening through bolts, a rotary groove 221 is formed in the lower cover plate 22, the rotary disk 23 is rotatably connected in the rotary groove 221, the upper disk surface and the lower disk surface of the rotary disk 23 are respectively attached to the upper cover plate 21 and the lower cover plate 22, and a driving motor 33 capable of driving the rotary disk 23 to rotate is fixed at the lower side of the lower cover plate 22.

The rotating disc 23 is provided with quantitative storage holes 231 capable of containing lubricating particles on the disc surface, the diameter of the quantitative storage holes 231 is 5mm to 15mm, one or more of the quantitative storage holes 231 can be provided, the upper cover plate 21 is provided with a communication hole 211 aligned with the feed opening 11, the lower cover plate 22 is provided with a feed hole 222 communicated with the rotating groove 221, the feed hole 222 is deviated from the communication hole 211, and the quantitative storage holes 231 sequentially rotate to positions aligned with the communication hole 211 and the feed hole 222 when the rotating disc 23 rotates.

The plurality of quantitative material storage holes 231 are preferably arranged in a circumferential array, the communication holes 211 are in a fan shape or an arc shape, at least two quantitative material storage holes 231 are always aligned and communicated with the communication holes 211 on the rotating disc 23, in this embodiment, 14 quantitative material storage holes 231 are provided, the diameter of the quantitative material storage holes 231 is 8mm, the communication holes 211 are in a semicircular fan shape, that is, the communication holes 211 at least correspond to one half of the arc length of the circle where the plurality of quantitative material storage holes 231 are located, and 7 quantitative material storage holes 231 are always aligned and communicated with the communication holes 211 on the rotating disc 23.

The peripheral surface of the rotating disc 23 is provided with induction convex blocks 232 which are in one-to-one correspondence with the quantitative material storage holes 231, the adjacent induction convex blocks 232 are arranged at intervals, the lower cover plate 22 is fixed with a proximity switch 32, and an induction head of the proximity switch 32 extends into the rotating groove 221 and faces the peripheral surface of the rotating disc 23.

The blanking hole 222 of the fixed seat 2 is connected with a three-way valve 31, the three-way valve 31 is a Y-shaped three-way valve 31, a first port of the three-way valve 31 is communicated with the blanking hole 222, a second port 311 of the three-way valve 31, which is opposite to the first port, is an outlet, a third port 312 of the three-way valve 31 faces the second port 311, and the third port 312 is communicated with the air solenoid valve 3.

When in use, lubricating particles are stored in the hopper 1, the lubricating particles are accumulated in the communication hole 211 through the feed opening 11 under the action of gravity, the lubricating particles enter the quantitative storage hole 231 aligned with the communication hole 211 and fill the quantitative storage hole 231 when the rotating disc 23 rotates, the rotating disc 23 rotates the quantitative storage hole 231 storing the lubricating particles to a position aligned with the feed hole 222, the lubricating particles in the quantitative storage hole 231 enter the feed hole 222 under the action of gravity and fall into the three-way valve 31, then the lubricating particles are blown out from the second port 311 of the three-way valve 31 through air blowing, the second port 311 of the three-way valve 31 is communicated with a tail end conveying mechanism close to the hammer head through a pipeline, and finally the lubricating particles are conveyed to the hammer head for lubrication through the tail end conveying mechanism, such as the patent with the application number of CN2022203535268 applied by the applicant.

The rotation of the rotating disc 23 is controlled by the controller 34, when the rotating disc 23 rotates, the adjacent sensing bumps 232 sequentially approach the proximity switch 32, when the sensing bumps 232 approach the proximity switch 32, the proximity switch 32 is triggered, at this time, the quantitative material storage hole 231 is aligned with the material discharge hole 222, the proximity switch 32 sends a signal to the controller 34, the controller 34 controls the driving motor 33 to be turned off, and simultaneously controls the air solenoid valve 3 to be turned on, so as to blow the lubricating particles entering the three-way valve 31 and convey the lubricating particles out, then the controller 34 turns off the air solenoid valve 3, reopens the driving motor 33 according to the set time, and when the rotating disc 23 rotates to the next sensing bump 232 to trigger the proximity switch 32, the operations are repeated, so that the lubricating particles are conveyed at the quantitative interval.

The upper and lower disk surfaces of the rotating disk 23 are attached to the fixed seat 2, that is, the lower port of the quantitative material storage hole 231 is opened when being aligned with the material discharge hole 222 during rotation, the upper port is kept closed, and compressed air can only flow towards the second port 311 of the three-way valve 31 during air blowing; the upper port of the quantitative storage hole 231 is opened when being aligned with the communication hole 211, the lower port is kept closed, the structure avoids the condition that the lubricating particles are extruded, the condition that the lubricating particles are stuck cannot occur, the lubricating particles entering the discharging hole 222 at each time can be guaranteed to be the same through the quantitative storage hole 231, and the quantitative conveying of the lubricating particles is realized. Through experiments, when the quantitative storage hole 231 moves to the tail end of the communication hole 211 in use, the lubricating particles are only partially positioned in the quantitative storage hole 231 and the other part is positioned in the communication hole 211, and in the case, the lubricating particles can be sheared into a semi-sphere shape and cannot be extruded, so that the quantitative storage hole 231 cannot be sticky.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a granule lubricating arrangement's quantitative feeding mechanism for die-casting machine, quantitative feeding mechanism include hopper (1) and the quantitative conveying subassembly of fixed mounting in feed opening (11) department of hopper (1), its characterized in that, the quantitative conveying subassembly includes fixing base (2) fixed with hopper (1) and rotates rotary disk (23) of connecting in fixing base (2), be equipped with quantitative storage hole (231) that can hold lubricated granule on the quotation of rotary disk (23), the upper and lower quotation of rotary disk (23) all pastes with fixing base (2) and leans on, intercommunicating pore (211) that align with feed opening (11) are seted up to the upper end of fixing base (2), feed opening (222) have been seted up to the lower extreme of fixing base (2), feed opening (222) skew intercommunicating pore (211) feed opening (231) rotate in proper order to the position of aligning with storage hole (211) and feed opening (222) when rotary disk (23) rotate.

2. The quantitative feeding mechanism of a pellet lubricating apparatus for die casting machine according to claim 1, wherein said rotary plate (23) is provided with a plurality of quantitative storage holes (231), and said plurality of quantitative storage holes (231) are distributed in a circumferential direction.

3. The quantitative feeding mechanism of a particle lubricating apparatus for die casting machine according to claim 2, characterized in that the communicating hole (211) is fan-shaped or circular arc-shaped, and at least two quantitative storage holes (231) are always aligned and communicated with the communicating hole (211) on the rotary disk (23).

4. The quantitative feeding mechanism of the particle lubricating device for the die casting machine according to claim 1, 2 or 3, characterized in that the quantitative feeding mechanism further comprises an air solenoid valve (3) connected with an air pump, a three-way valve (31) is connected to the blanking hole (222) of the fixed base (2), a first port of the three-way valve (31) is communicated with the blanking hole (222), a second port (311) of the three-way valve (31) opposite to the first port is an outlet, a third port (312) of the three-way valve (31) faces the second port (311), and the third port (312) is communicated with the air solenoid valve.

5. The quantitative feeding mechanism of the particle lubricating device for the die casting machine as claimed in claim 1, 2 or 3, wherein the peripheral surface of the rotating disc (23) is provided with induction convex blocks (232) corresponding to the quantitative storage holes (231) one by one, the induction convex blocks (232) are arranged at intervals, the fixed base (2) is fixed with a proximity switch (32), and the proximity switch (32) faces the peripheral surface of the rotating disc (23).

6. The quantitative feeding mechanism of a particulate lubricating apparatus for die casting machines according to claim 1, 2 or 3, characterized in that the quantitative storage hole (231) has a diameter of 5mm to 15mm.

7. The quantitative feeding mechanism of the particle lubricating device for the die casting machine according to claim 1, 2 or 3, wherein the fixed seat (2) comprises an upper cover plate (21) and a lower cover plate (22), the communication hole (211) is formed in the upper cover plate (21), the lower cover plate (22) is provided with a rotary groove (221), the rotary disc (23) is rotatably connected in the rotary groove (221), the blanking hole (222) is formed in the lower cover plate (22) and is communicated with the rotary groove (221), and the upper disc surface and the lower disc surface of the rotary disc (23) are respectively attached to the upper cover plate (21) and the lower cover plate (22).

8. The quantitative feeding mechanism of a pellet lubricating apparatus for die casting machine as claimed in claim 7, wherein a driving motor (33) capable of driving the rotary disk (23) to rotate is fixed to the lower side of said lower cover plate (22).