CN211218577U

CN211218577U - High accuracy adds sand and penetrates sand all-in-one

Info

Publication number: CN211218577U
Application number: CN201922199887.2U
Authority: CN
Inventors: 李超锋
Original assignee: Suzhou Anluda Intelligent Technology Co ltd
Current assignee: Suzhou Anluda Intelligent Technology Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-08-11
Anticipated expiration: 2029-12-10

Abstract

The utility model relates to a high accuracy adds sand and penetrates sand all-in-one, include for sand mechanism, isolation mechanism and penetrate sand mechanism. The sand feeding mechanism comprises a sand hopper, the bottom of the sand hopper is provided with a sand outlet, the bottom of the sand outlet is provided with a groove along the circumferential direction of the sand outlet, a hollow sealing ring is arranged in the groove, a sealing ring inflation tube is communicated in the sealing ring, and a quick exhaust valve is arranged on the sealing ring inflation tube; the isolation mechanism comprises a gate plate and a gate plate driving unit, and the gate plate is provided with a through hole; the sand shooting mechanism comprises a shooting cavity positioned below the gate plate, the top of the shooting cavity is provided with a shooting cavity opening, and the shooting cavity opening corresponds to the sand outlet; the upper part of the shooting cavity is communicated with at least one compressed air runner for sand shooting, an angle seat valve is arranged on the compressed air runner, and the compressed air runner is connected to the air bag; the lower part of the shooting cavity is provided with an exhaust valve, and the bottom of the shooting cavity is provided with a sand shooting plate. The utility model discloses penetrate sand integration for sand, reduced occupation space, saved factory building area, reduced the cost of enterprise, improved sealed effect, promoted the production precision.

Description

High accuracy adds sand and penetrates sand all-in-one

Technical Field

The utility model relates to a core shooter supporting facility field especially relates to a high accuracy adds sand and penetrates sand all-in-one.

Background

The core shooter is a metal product manufacturing device which utilizes compressed air to uniformly shoot molding sand into a sand box for pre-compaction and then applies pressure to carry out compaction, and is commonly used for a vertical parting flaskless shooting and pressing molding machine and a horizontal parting flaskless shooting and pressing molding machine.

In the casting production process, the used core shooting machine needs to complete the work of sand shooting, air exhaust, solidification and the like, needs to have a closed space, and has the function of adding molding sand into a shooting cavity. In the past, the sand is added by moving the shooting head, the sand is shot at another station, larger space needs to be occupied, and the sealing effect is poor. And the movement of the shooting head needs high-pressure control of an oil cylinder and the like, so that the requirement on a control system is higher. The equipment is also more noisy.

For a large sand shooting area, the traditional sand shooting mechanism cannot well complete sand shooting action, so that the sand shooting force is insufficient, the sand shooting is not solid, the sand shooting is not full, and the sand mould is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a penetrate better high accuracy of sand effect and add sand and penetrate sand all-in-one.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a sand all-in-one is penetrated to high accuracy sand that adds, include:

the sand feeding mechanism comprises a sand hopper, a sand outlet is formed in the bottom of the sand hopper, a groove is formed in the bottom of the sand outlet along the circumferential direction of the sand outlet, a hollow sealing ring is arranged in the groove, a sealing ring inflation tube is communicated with the sealing ring, compressed air is communicated with the sealing ring inflation tube, and a quick exhaust valve is arranged on the sealing ring inflation tube;

the isolation mechanism comprises a gate plate and a gate plate driving unit for driving the gate plate to move below the sand outlet, and the gate plate is provided with a through hole;

the sand shooting mechanism comprises a shooting cavity positioned below the gate plate, the top of the shooting cavity is provided with a shooting cavity opening, and the shooting cavity opening corresponds to the sand outlet; the upper part of the shooting cavity is communicated with at least one compressed air runner for sand shooting, an angle seat valve is arranged on the compressed air runner, and the compressed air runner is connected to an air bag; the ejection cavity is provided with an exhaust valve, the bottom of the ejection cavity is provided with a sand ejection plate, and the sand ejection plate is provided with an ejection nozzle.

Further, the sand outlet periphery is outwards extended with an upper cover plate, a hopper pipeline communicated with the sand outlet is fixed below the upper cover plate, the bottom of the hopper pipeline is provided with the groove along the circumferential direction of the hopper pipeline, the bottom end of the hopper pipeline is provided with the lower sand outlet, and the gate plate is located below the lower sand outlet.

Further, a first O-shaped sealing ring is arranged between the top of the hopper pipeline and the upper cover plate; and the upper part of the periphery of the hopper pipeline is provided with an extension plate fixed with the upper cover plate.

Further, the driving unit is a cylinder.

The sand hopper comprises a hopper pipeline, and is characterized by further comprising a sand hopper upper body, wherein the sand hopper upper body comprises a lower cover plate and a vertical plate, the lower cover plate is arranged at the lower part of the periphery of the hopper pipeline and is connected below the extension plate, the top end of the vertical plate is fixed below the lower cover plate, and the bottom end of the vertical plate is fixed on the cavity shooting port; the vertical plate is provided with a mounting hole, the cylinder is horizontally fixed on the outer wall of the vertical plate, and a piston rod of the cylinder extends into the mounting hole to be connected to the flashboard.

Furthermore, a sealing sleeve is fixed in the mounting hole of the vertical plate and sleeved on the piston rod of the air cylinder.

Further, a second O-shaped sealing ring is arranged between the lower cover plate and the hopper pipeline.

Further, isolation mechanism still including fixing two flashboard backing plates of the relative inboard of riser, two all have the spout along its length direction on the flashboard backing plate, the flashboard slides and sets up in the spout.

Furthermore, still including being located penetrate the sand section of thick bamboo of leading of intracavity, the top of leading the sand section of thick bamboo have with lower sand mouth corresponds into sand mouth, it has the connecting plate to lead the outside edge in sand section of thick bamboo upper portion, the connecting plate is fixed the below of flashboard backing plate.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model discloses a high accuracy sand adding and shooting integrated machine, when giving sand, the drive unit shrink, and the via hole of flashboard aligns with the sand outlet of sand hopper, and sand in the sand hopper enters into the incidence cavity through sand outlet, the via hole of flashboard, the shooting cavity mouth of shooting cavity; when the sand is shot, the driving unit extends out, drives the flashboard and enables the through hole of the flashboard to be staggered with the sand outlet of the sand hopper, opens the quick exhaust valve, inflates and expands in the sealing ring and is pressed on the flashboard, the flashboard is pressed on the shot cavity opening, opens the angle seat valve, enables the compressed air in the air bag to be filled into the shot cavity, and enables the sand in the shot cavity to be shot through the sand shooting plate; after sand shooting, the angle seat valve is closed, the exhaust valve is opened to discharge compressed air in the shooting cavity, the quick exhaust valve is opened to discharge the compressed air in the sealing ring, the piston rod of the air cylinder is retracted, and the through hole of the flashboard is aligned with the sand outlet again. The utility model discloses penetrate sand integration for sand, reduced occupation space, saved factory building area, reduced the cost of enterprise, improved sealed effect, promoted the production precision.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic view of a high-precision sand adding and shooting integrated machine according to an embodiment of the present invention (cylinder retracted state);

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a right side view of FIG. 1;

fig. 4 is a partially enlarged view at B in fig. 3.

Wherein the reference numerals are as follows:

1. give sand mechanism: 11. a sand hopper; 12. a seal ring; 13. a sealing ring gas-filled tube; 14. a hopper conduit; 15. an upper cover plate; 16. an extension plate; 17. a lower cover plate; 18. a vertical plate; 19. a sealing ring inflation inlet;

2. an isolation mechanism: 21. a shutter plate; 22. a cylinder; 23. sealing sleeves; 24. a gate plate backing plate; 25. a first O-ring seal; 26. a second O-ring seal; 27. a chute;

3. a sand shooting mechanism: 31. a shooting cavity; 33. A sand guide cylinder; 34. a connecting plate; 35. an angle seat valve; 36. air bags; 37. a compressed air flow passage; 38. an exhaust valve; 39. and (4) a sand shooting plate.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The high-precision sand adding and shooting integrated machine shown in fig. 1 to 4 comprises a sand feeding mechanism, an isolation mechanism and a sand shooting mechanism.

The sand feeding mechanism comprises a sand hopper 11, a sand outlet is formed in the bottom of the sand hopper 11, a groove is formed in the bottom of the sand outlet along the circumferential direction of the sand outlet, a hollow sealing ring 12 is arranged in the groove, a sealing ring inflation tube 13 is communicated with the sealing ring 12, compressed air is communicated with the sealing ring inflation tube 13, and a quick exhaust valve is arranged on the sealing ring inflation tube 12;

the isolation mechanism comprises a gate plate 21 and a gate plate 21 driving unit for driving the gate plate 21 to move below the sand outlet, and the gate plate 21 is provided with a through hole;

the sand shooting mechanism comprises a shooting cavity 31 positioned below the gate plate 21, and the top of the shooting cavity 31 is provided with a shooting cavity opening which corresponds to the sand outlet; at least one compressed air flow channel 37 for sand shooting is communicated with the upper part of the shooting cavity 31, an angle seat valve 35 is arranged on the compressed air flow channel 37, and the compressed air flow channel 37 is connected to an air bag 36; the lower part of the shooting cavity 31 is provided with an exhaust valve 38, the bottom of the shooting cavity 31 is provided with a sand shooting plate 39, a shooting nozzle is arranged on the sand shooting plate 39 and inserted into the cavity, and the molding sand is guaranteed to be shot into the cavity through the shooting nozzle.

As shown in fig. 2 or 4, an upper cover plate 15 extends outward from the periphery of the sand outlet, a hopper pipeline 14 communicated with the sand outlet is fixed below the upper cover plate 15, the bottom of the hopper pipeline 14 is provided with the groove along the circumferential direction thereof, a hollow sealing ring 12 is arranged in the groove, the bottom end of the hopper pipeline 14 is a lower sand outlet, and the shutter 21 is located below the lower sand outlet. A first O-shaped sealing ring 25 is arranged between the top of the hopper pipeline 14 and the upper cover plate 15 to ensure better sealing effect; an extension plate 16 fixed to the upper cover plate 15 is provided at an upper portion of the outer periphery of the hopper duct 14; a sealing ring inflation tube 13 is communicated with the sealing ring 12, the sealing ring inflation tube 13 extends out through a channel arranged inside the hopper pipeline and a channel arranged inside the extension plate 16, and a sealing ring inflation port 19 of the sealing ring inflation tube 13 is connected to a compressed air source.

The drive unit is a cylinder 22. As shown in fig. 4, the sand hopper 11 further comprises an upper body of the sand hopper 11, wherein the upper body of the sand hopper 11 comprises a lower cover plate 17 and a vertical plate 18, the lower cover plate 17 is arranged at the lower part of the periphery of the hopper pipeline 14 and is connected below the extension plate 16, the top end of the vertical plate 18 is fixed below the lower cover plate 17, and the bottom end of the vertical plate 18 is fixed on the cavity injection port; the vertical plate 18 is provided with a mounting hole, the cylinder 22 is horizontally fixed on the outer wall of the vertical plate 18, and a piston rod of the cylinder 22 extends into the mounting hole to be connected to the flashboard 21.

A sealing sleeve 23 is fixed in the mounting hole of the vertical plate 18, and the sealing sleeve 23 is sleeved on a piston rod of the air cylinder 22 to ensure better sealing effect.

And a second O-shaped sealing ring 26 is arranged between the lower cover plate 17 and the hopper pipeline 14 so as to ensure better sealing effect.

The isolation mechanism further comprises two flashboard backing plates 24 fixed on the opposite inner sides of the vertical plates 18, sliding grooves 27 are formed in the two flashboard backing plates 24 along the length direction of the flashboard backing plates, and the flashboards 21 are arranged in the sliding grooves 27 in a sliding mode.

Still including being located penetrate the sand section of thick bamboo 33 of leading in the chamber 31, the top of leading sand section of thick bamboo 33 have with the sand inlet that the sand mouth corresponds down, it has connecting plate 34 to lead sand section of thick bamboo 33 upper portion outwards along stretching, connecting plate 34 is fixed the below of flashboard backing plate 24, it is unsettled to lead sand section of thick bamboo 33 bottom.

The compressed air channel 37 is provided with an angle seat valve 35 for controlling the on and off of the compressed air, and simultaneously, the flow rate of the compressed air introduced into the shooting cavity 31 can be adjusted, so that the working precision is ensured.

The working principle of the embodiment is as follows:

when the sand hopper 11 feeds sand to the shooting cavity 31, a piston rod of the air cylinder 22 is in a contraction state, a through hole of the gate plate 21 is aligned with a lower sand opening at the bottom end of the hopper pipeline 14, and sand in the sand hopper 11 enters the sand guide cylinder 33 through the lower sand opening and the through hole on the gate plate 21 so as to enter the shooting cavity 31;

secondly, when the sand is shot, a piston rod of the air cylinder 22 extends out, the air cylinder 22 drives the gate plate 21 to move on the sliding chute 27 of the gate plate backing plate 24, and a lower sand opening at the bottom of the hopper pipeline 14 is staggered from a through hole of the gate plate 21; opening the quick exhaust valve to enable the air inflation in the sealing ring 12 to be expanded, and enabling the sealing ring 12 to be pressed on the gate plate 21 to enable the space between the gate plate 21 and the hopper pipeline 14 to be sealed; opening the angle seat valve 35, allowing compressed air in the air bag 36 to enter the shooting cavity 31 through the second compressed air runner 37, and under the action of the compressed air, ejecting sand in the shooting cavity 31 out of an ejection nozzle on a sand ejection plate 39 at the bottom of the shooting cavity 31 to enter a cavity;

thirdly, after the sand shooting is finished, closing the angle seat valve 35; the exhaust valve 38 is opened, and the compressed air in the shooting cavity 31 is exhausted through the exhaust valve 38; opening the quick exhaust valve, exhausting the compressed air in the sealing ring 12 and recovering the sealing ring 12; the piston rod of the cylinder 22 is retracted and the through hole in the shutter 21 is aligned with the lower sand port at the bottom end of the hopper pipe 14.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a sand all-in-one is penetrated to high accuracy sand that adds which characterized in that includes:

the sand feeding mechanism comprises a sand hopper, a sand outlet is formed in the bottom of the sand hopper, a groove is formed in the bottom of the sand outlet along the circumferential direction of the sand outlet, a hollow sealing ring is arranged in the groove, a sealing ring inflation tube is communicated with the sealing ring, and a quick exhaust valve is arranged on the sealing ring inflation tube;

2. The high-precision sand adding and shooting all-in-one machine according to claim 1, characterized in that: go out sand mouth periphery and outwards extend and have the upper cover plate, the upper cover plate below be fixed with the hopper pipeline of sand mouth intercommunication, hopper pipeline bottom has along its circumference the recess, hopper pipeline bottom is sand mouth down, the flashboard is located the below of sand mouth down.

3. The high-precision sand adding and shooting all-in-one machine according to claim 2, characterized in that: a first O-shaped sealing ring is arranged between the top of the hopper pipeline and the upper cover plate; and the upper part of the periphery of the hopper pipeline is provided with an extension plate fixed with the upper cover plate.

4. The high-precision sand adding and shooting all-in-one machine according to claim 3, characterized in that: the driving unit is a cylinder.

5. The high-precision sand adding and shooting all-in-one machine according to claim 4, characterized in that: the sand hopper comprises a hopper pipeline, and is characterized by further comprising a sand hopper upper body, wherein the sand hopper upper body comprises a lower cover plate and a vertical plate, the lower cover plate is arranged at the lower part of the periphery of the hopper pipeline and fixed below the extension plate, the top end of the vertical plate is fixed below the lower cover plate, and the bottom end of the vertical plate is fixed on the cavity injection opening; the vertical plate is provided with a mounting hole, the cylinder is horizontally fixed on the outer wall of the vertical plate, and a piston rod of the cylinder extends into the mounting hole to be connected to the flashboard.

6. The high-precision sand adding and shooting all-in-one machine according to claim 5, characterized in that: and a sealing sleeve is fixed in the mounting hole of the vertical plate and sleeved on a piston rod of the cylinder.

7. The high-precision sand adding and shooting all-in-one machine according to claim 5, characterized in that: and a second O-shaped sealing ring is arranged between the lower cover plate and the hopper pipeline.

8. The high-precision sand adding and shooting integrated machine according to claim 5 or 6, characterized in that: the isolating mechanism further comprises two flashboard base plates fixed on the inner sides of the vertical plates, sliding grooves are formed in the flashboard base plates along the length direction of the flashboard base plates, and the flashboards are arranged in the sliding grooves in a sliding mode.

9. The high-precision sand adding and shooting all-in-one machine according to claim 8, characterized in that: still including being located penetrate the sand section of thick bamboo of leading of intracavity, the top of leading the sand section of thick bamboo have with lower sand mouth corresponds advance the sand mouth, it has the connecting plate to lead the outside edge in sand section of thick bamboo upper portion, the connecting plate is fixed the below of flashboard backing plate.