CN216027943U

CN216027943U - Sand shooting device for core shooting machine

Info

Publication number: CN216027943U
Application number: CN202121811769.3U
Authority: CN
Inventors: 韩文涛; 王守湖; 官卫东
Original assignee: Qingdao Hengyao Machinery Equipment Co ltd
Current assignee: Qingdao Hengyao Machinery Equipment Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-03-15
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a sand shooting device for a core shooting machine, which comprises a sand cylinder, wherein the outer side of the sand cylinder is fixedly connected with a fixed frame, the outer side of the fixed frame is fixedly connected with a compaction cylinder, the top of the sand cylinder is fixedly connected with a motor, the output end of the motor is fixedly connected with a driving shaft, one end of the driving shaft, which is far away from the motor, penetrates through the sand cylinder and is fixedly connected with a rotating disc, the bottom of the rotating disc is connected with a supporting disc in an attaching manner, a plurality of groups of discharge chutes are respectively arranged in the rotating disc and the supporting disc, the bottom of the supporting disc is fixedly connected with a supporting ring, the outer side profile of the supporting ring is fixedly connected with the inner wall of the bottom of the sand cylinder, the outer side profile of the rotating disc and the supporting disc is connected with a limiting lantern ring in a limiting and sliding manner, the outer wall of the limiting lantern ring is fixedly connected with the inner wall of a sleeve, four groups of connecting plates are fixedly connected with four groups of stirring rods in an array manner on the outer sides of the driving shafts, be of for to fully stir crushing to core sand, avoid cubic core sand to block up the shooting head, cause the device to damage.

Description

Sand shooting device for core shooting machine

Technical Field

The utility model relates to the technical field of sand shooting machines, in particular to a sand shooting device for a core shooting machine.

Background

The core shooter adopts precoated sand to make cores, and is suitable for a hot core box. The core shooter is characterized in that two guide posts are used, an opening-closing die is vertically split, two pairs of different dies are simultaneously installed, a fixed die can be installed on the middle fixed frame on two sides, and the die (equivalent to a double-die rack) is opened and closed on the left and the right. The core shooter is widely applied to the casting industry, and a core manufactured by the core shooter has accurate size and smooth surface. The core shooting machine has the working principle that a core-sand mixture taking liquid or solid thermosetting resin as a binder is shot into a heated core box, a sand core is preheated in the core box and quickly hardened to a certain thickness (about 5-10 mm), and the sand core is taken out, so that a high-quality sand core finished product with a smooth surface and an accurate size is formed.

The traditional core shooting machine lacks the stirring crushing process to the core sand after the core sand gets into in the sand section of thick bamboo, leads to some cubic core sand to block up the shooting head, causes the problem of device damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sand shooting device for a core shooting machine, which has the advantages of preventing blockage and enhancing sealing and solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a sand shooting device for a core shooting machine comprises a sand cylinder, wherein a fixed frame is fixedly connected to the outer side of the sand cylinder, a compaction cylinder is fixedly connected to the outer side of the fixed frame, a motor is fixedly connected to the top of the sand cylinder, a driving shaft is fixedly connected to the output end of the motor, one end, away from the motor, of the driving shaft penetrates through the sand cylinder and is fixedly connected with a rotating disc, the bottom of the rotating disc is connected with a supporting disc in a laminating manner, a plurality of groups of discharge chutes are formed in the rotating disc and the supporting disc, a supporting ring is fixedly connected to the bottom of the supporting disc, the outer side profile of the supporting ring is fixedly connected to the inner wall of the bottom of the sand cylinder, a limiting lantern ring is slidably connected to the outer side profiles of the rotating disc and the supporting disc in a limiting manner, the outer wall of the limiting lantern ring is fixedly connected to the inner wall of a sleeve, four groups of connecting plates are fixedly connected to one side, away from the driving shaft, and are fixedly connected with a plurality of stirring rods, the bottom of the sand cylinder is provided with a discharge port, and the bottom of the discharge port is connected with a jet head in a through manner.

Preferably, the bottom outside of penetrating the head is provided with the ring groove structure, the snap connection has the sealing ring in the ring groove structure, the sealing ring has two sets.

Preferably, the outer side of the shooting head is provided with a sand plate, the bottom of the sand plate close to the sand cylinder is fixedly connected with a plurality of groups of springs, and one end of each spring, far away from the sand plate, is fixedly connected to the bottom of the sand cylinder.

Preferably, the top of the limiting lantern ring is provided with an inclined surface structure, and the bottom of the inclined surface structure and the top plane of the rotating disc are located on the same plane.

Preferably, one side of the top of the sand cylinder is connected with a feed pipe in a through mode, and the top of the feed pipe is provided with a one-way valve.

Preferably, the left side and the right side of the top of the sand cylinder are respectively connected with an air inlet valve and an air outlet valve in a penetrating way.

Compared with the prior art, the utility model has the following beneficial effects: the sand shooting device comprises a sand cylinder, a motor, a rotating shaft, a rotating disc, a plurality of discharge chutes, a plurality of discharging chutes, a plurality of groups of discharging chutes, and groups of groups.

Drawings

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic cross-sectional view from above of the present invention;

FIG. 3 is a schematic structural view of a rotary disk according to the present invention;

FIG. 4 is a schematic view of the structure of the driving shaft of the present invention.

In the figure: 1. a sand cylinder; 2. a fixed mount; 3. a motor; 4. an intake valve; 5. an exhaust valve; 6. a feed pipe; 7. a one-way valve; 8. a drive shaft; 9. a connecting plate; 10. a stirring rod; 11. a limiting lantern ring; 12. rotating the disc; 13. a support disc; 14. a discharge chute; 15. a support ring; 16. a discharge port; 17. shooting a head; 18. a seal ring; 19. a sand plate; 20. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a sand shooting device for a core shooting machine comprises a sand cylinder 1, wherein a fixed frame 2 is fixedly connected to the outer side of the sand cylinder 1, a compaction cylinder is fixedly connected to the outer side of the fixed frame 2, a motor 3 is fixedly connected to the top of the sand cylinder 1, an output end of the motor 3 is fixedly connected with a driving shaft 8, one end, far away from the motor 3, of the driving shaft 8 penetrates through the sand cylinder 1 and is fixedly connected with a rotary disk 12, the bottom of the rotary disk 12 is connected with a supporting disk 13 in a laminating manner, a plurality of groups of discharge chutes 14 are respectively formed in the rotary disk 12 and the supporting disk 13, the bottom of the supporting disk 13 is fixedly connected with a supporting ring 15, the outer side profile of the supporting ring 15 is fixedly connected to the inner wall of the bottom of the sand cylinder 1, a limiting sleeve ring 11 is slidably connected to the outer side of the rotary disk 12 and the supporting disk 13 in a limiting manner, the outer wall of the limiting sleeve ring 11 is fixedly connected to the inner wall of the sleeve, four groups of connecting plates 9 are fixedly connected with a plurality of groups of stirring rods 10 on one side, far away from the driving shaft 8, a discharge port 16 is arranged at the bottom of the sand cylinder 1, and a jet head 17 is connected at the bottom of the discharge port 16 in a penetrating way.

The driving shaft 8 is driven by the motor 3 to rotate in the sand cylinder 1, the four groups of connecting plates 9 and the multiple groups of stirring rods 10 are driven by the rotation of the rotating shaft to uniformly stir the core sand entering the sand cylinder 1, in addition, the driving shaft 8 also drives the rotating disc 12 to rotate at the top of the supporting disc 13, the stirred core sand flows out through the rotating disc 12 and the supporting disc 13, the multiple groups of discharging grooves 14 are opened by continuous coincidence under the rotation of the rotating disc 12, crushing the blocky core sand which is not stirred and crushed, enabling the further crushed core sand to enter a shooting head 17 from a discharge hole 16, then shooting the core sand into a mould from the shooting head 17 for preheating and forming, enabling a sealing ring 18 clamped and connected on the outer side of the shooting head 17 to have good sealing effect on a gap between the shooting head 17 and the mould, meanwhile, the annular clamping groove structure arranged on the outer side of the shooting head 17 facilitates the replacement of the sealing ring 18.

Penetrate the bottom outside of head 17 and be provided with the ring groove structure, the joint is connected with sealing ring 18 in the ring groove structure, and sealing ring 18 has two sets ofly, is of value to and avoids penetrating the head 17 and inserts when penetrating the sand in the mould, and the phenomenon of leaking gas and leaking sand appears, promotes the leakproofness between penetrating head 17 and the mould.

Penetrate the outside of head 17 and be provided with sand board 19, sand board 19 is close to the bottom fixedly connected with multiunit spring 20 of sand section of thick bamboo 1, and spring 20 keeps away from the one end fixed connection of sand board 19 in the bottom of sand section of thick bamboo 1, is of value to when compressing tightly cylinder drive sand section of thick bamboo 1 downstream and making to penetrate head 17 and insert the mould, and the shock collision takes place, leads to penetrating head 17 to damage, cushions the support bottom sand section of thick bamboo 1.

The inclined plane structure has been seted up at the top of spacing lantern ring 11, and the bottom of inclined plane structure is in the coplanar with the top plane of rotary disk 12, is of value to and avoids the core sand to pile up at the top of spacing lantern ring 11 and rotary disk 12, causes the problem that is difficult to wash.

A feeding pipe 6 is connected to one side of the top of the sand cylinder 1 in a penetrating mode, a check valve 7 is arranged at the top of the feeding pipe 6, the completion of the sand core entering the sand cylinder 1 through the check valve 7 is facilitated, and the feeding pipe 6 is opened when the sand core enters the sand cylinder 1, so that feeding is facilitated.

The left side and the right side of the top of the sand cylinder 1 are respectively connected with an air inlet valve 4 and an exhaust valve 5 in a penetrating manner, so that compressed air can enter the sand cylinder 1 from the air inlet valve 4 when sand shooting is needed, core sand which is uniformly stirred can be extruded into a mold, and redundant compressed air can be discharged through the exhaust valve 5.

The working principle is as follows: the automatic lifting of the sand cylinder 1 is completed by the matching of the compaction cylinder and the fixed frame 2, meanwhile, the action of automatic feeding is completed through the feeding pipe 6 and the one-way valve 7, when the sand cylinder 1 descends, the sand plate 19 starts to extrude the spring 20 when contacting the top of the mold, thereby buffering the bottom of the sand cylinder 1, the two groups of sealing rings 18 seal the gap between the injection head 17 and the mold, at the moment, the motor 3 is started, the motor 3 drives the driving shaft 8 to rotate in the sand cylinder 1, the four groups of connecting plates 9 and the multiple groups of stirring rods 10 are driven by the rotation of the rotating shaft to stir the core sand entering the sand cylinder 1 evenly, in addition, the driving shaft 8 also drives the rotating disc 12 to rotate at the top of the supporting disc 13, the stirred core sand flows out through the plurality of discharging grooves 14 which are formed in the rotating disc 12 and the supporting disc 13, and the plurality of discharging grooves 14 are continuously coincided and opened under the rotation of the rotating disc 12, the blocky core sand which is not stirred and crushed is crushed, and the anti-blocking effect of the device on the shooting head 17 is further improved.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a core shooting machine penetrates sand device, includes sand section of thick bamboo (1), outside fixedly connected with mount (2) of sand section of thick bamboo (1), mount (2) outside fixedly connected with compresses tightly jar, its characterized in that: the top fixedly connected with motor (3) of sand section of thick bamboo (1), the output fixedly connected with driving shaft (8) of motor (3), the one end that motor (3) were kept away from in driving shaft (8) runs through sand section of thick bamboo (1) and fixedly connected with rotary disk (12), the bottom laminating of rotary disk (12) is connected with supporting disk (13), multiunit blown down tank (14) have all been seted up to rotary disk (12) and supporting disk (13) inside, the bottom fixedly connected with support ring (15) of supporting disk (13), the outside profile fixed connection of support ring (15) is at sand section of thick bamboo (1) bottom inner wall, the spacing sliding connection in the outside profile of rotary disk (12) and supporting disk (13) has spacing lantern ring (11), the outer wall fixed connection of spacing lantern ring (11) is at telescopic inner wall, the outside array fixedly connected with four groups of connecting plate (9) of driving shaft (8), the sand cylinder is characterized in that a plurality of groups of stirring rods (10) are fixedly connected to one side, away from the driving shaft (8), of the four groups of connecting plates (9), a discharge port (16) is formed in the bottom of the sand cylinder (1), and a jet head (17) is connected to the bottom of the discharge port (16) in a penetrating mode.

2. The sand shooting device for the core shooting machine according to claim 1, wherein: the bottom outside of penetrating head (17) is provided with the ring groove structure, snap-fit connection has sealing ring (18) in the ring groove structure, sealing ring (18) have two sets ofly.

3. The sand shooting device for the core shooting machine according to claim 1, wherein: the outside of penetrating head (17) is provided with sand board (19), sand board (19) are close to the bottom fixedly connected with multiunit spring (20) of sand section of thick bamboo (1), the one end fixed connection of sand board (19) is kept away from in spring (20) is in the bottom of sand section of thick bamboo (1).

4. The sand shooting device for the core shooting machine according to claim 1, wherein: the top of the limiting sleeve ring (11) is provided with an inclined surface structure, and the bottom of the inclined surface structure and the top plane of the rotating disc (12) are in the same plane.

5. The sand shooting device for the core shooting machine according to claim 1, wherein: one side of the top of the sand cylinder (1) is connected with a feeding pipe (6) in a through mode, and a one-way valve (7) is arranged at the top of the feeding pipe (6).

6. The sand shooting device for the core shooting machine according to claim 1, wherein: the left side and the right side of the top of the sand cylinder (1) are respectively connected with an air inlet valve (4) and an air outlet valve (5) in a through mode.