An automatic material injection device for precision casting

Abstract

The utility model relates to the technical field of precision casting discloses an automatic material injection device for precision casting, including support frame, storage tank, the bottom position intercommunication installation of storage tank has the discharge gate, and the first telescopic rod bottom telescopic end is connected with the top of connecting ring. The utility model fixes the transverse plate in the side position of support frame, and installs the first telescopic rod in the bottom position of transverse plate, and the tail end of first telescopic rod and the top position of connecting ring link, fix the second flange ring in the bottom position of discharge gate, then utilize the snap pin to complete the link fixation between the second flange ring and the first flange ring, fix the outer sleeve in the external position of material injection nozzle, and utilize the connecting bolt to complete the connecting fixation between connecting ring and outer sleeve, so the height position adjustment of connecting ring is adjusted after the work of first telescopic rod, and the corresponding compression extension of corrugated flexible pipe, so improve the convenience of the pipe in the process of working, also improve the overall height adjustment.

Description

Technical Field

[0001] This utility model relates to the field of precision casting technology, specifically to an automated injection device for precision casting. Background Technology

[0002] Precision casting is a general term for processes that obtain high-precision, complex-shaped castings through precision molding methods. Its core feature is near-net-shape forming, and the products can be used directly or require only a small amount of processing. It mainly includes investment casting, ceramic mold casting, metal mold casting and other process types. It is different from traditional sand casting. Through high-precision molds and process control, it achieves the characteristics of small dimensional errors and high surface finish of castings.

[0003] In the process of precision casting, material injection is required, which is mostly carried out by pipeline. The outlet is usually in a fixed position, but sometimes the required injection height varies. Therefore, if the pipeline is inconvenient, it can cause inconvenience to the subsequent injection work. Utility Model Content

[0004] The purpose of this utility model is to provide an automated injection device for precision casting, in order to solve the problem mentioned in the background art that the discharge port is mostly in a fixed position, while the required injection position height is sometimes different. Therefore, if the connection is inconvenient, it will easily cause inconvenience to the subsequent injection work.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an automated injection device for precision casting, comprising a support frame and a storage box. A discharge port is connected to the bottom of the storage box. A second flange ring is fixed to the bottom of the discharge port, and a sealing ring is fixed to the bottom of the second flange ring. A first flange ring is assembled below the second flange ring. A corrugated telescopic tube is connected to the bottom of the first flange ring. Locking pins are installed through both sides of the first and second flange rings. Locking nuts are threaded to the upper and lower ends of the locking pins. An injection nozzle is connected to the bottom of the corrugated telescopic tube. An outer sleeve is fixed to the outside of the injection nozzle. A connecting ring is provided outside the outer sleeve. A connecting bolt is fixed between the connecting ring and the outer sleeve for connection. A horizontal plate is fixed to the side of the support frame. A first telescopic rod is installed at the bottom of the horizontal plate, and the bottom telescopic end of the first telescopic rod is connected to the top of the connecting ring.

[0006] As a further technical solution of this utility model, a hollow cavity is formed at the center of the connecting ring, and rubber pads are fixed at the front and rear positions of the hollow cavity, with the rubber pads in contact with the outer wall of the outer sleeve.

[0007] As a further technical solution of this utility model, the connecting bolts are evenly distributed in four groups between the connecting ring and the outer sleeve, and the first telescopic rod is symmetrically distributed about the central axis of the connecting ring.

[0008] As a further technical solution of this utility model, a drive motor is installed at the middle position of the top of the storage box, and the output end of the drive motor is connected to a stirring rod.

[0009] As a further technical solution of this utility model, ramp blocks are fixed at the lower positions on both sides of the inner wall of the storage box, and the top surface of the ramp blocks is designed as a slope.

[0010] As a further technical solution of this utility model, one side of the sealing ring contacts the bottom surface of the second flange ring, and the other side of the sealing ring contacts the top surface of the first flange ring.

[0011] As a further technical solution of this utility model, a feed inlet is connected and installed on the left side of the top of the storage box, and a solenoid valve is provided in the feed inlet.

[0012] As a further technical solution of this utility model, an arc-shaped mounting plate is fixed at the front and rear positions of the inner wall of the feed inlet, and a filter plate is fixedly mounted on the top position of the arc-shaped mounting plate by bolts.

[0013] Compared with the prior art, the beneficial effects of this utility model are: this kind of automated injection device for precision casting not only improves the convenience of pipe connection, but also improves the material storage capacity and feeding filtration capacity of the injection device.

[0014] (1) A horizontal plate is fixed on the side of the support frame, and a first telescopic rod is installed at the bottom of the horizontal plate. The tail end of the first telescopic rod is connected to the top of the connecting ring. The second flange ring is fixed at the bottom of the outlet. Then, the connection between the second flange ring and the first flange ring is completed by using a snap pin. The contact surface is sealed with a sealing ring. In this way, the corrugated telescopic pipe can be assembled at the bottom of the outlet. After the bottom of the corrugated telescopic pipe is connected to the injection nozzle, the outer sleeve is fixed at the outside of the injection nozzle. The connection between the connecting ring and the outer sleeve is completed by using connecting bolts. Therefore, after the first telescopic rod is working, the height of the connecting ring is adjusted. At the same time, the corrugated telescopic pipe is compressed and extended accordingly. Therefore, the convenience of pipe connection is improved during the working process, and the overall height adjustment is also improved.

[0015] (2) By installing and fixing the ramp block on both sides of the inner wall of the corrugated expansion pipe at a lower position, and the top surface of the ramp block is designed to be inclined, the material is fed at the feed inlet, so that the injected raw material reaches the inside of the corrugated expansion pipe. Then, the drive motor is started to drive the stirring rod to rotate, so as to mix the raw material inside and thus improve the overall material storage capacity.

[0016] (3) The feed inlet is installed on the left side of the top of the corrugated expansion tube. The feed inlet is used for feeding. The front and rear positions of the inner wall of the feed inlet are fixed with arc-shaped mounting plates. Therefore, bolts are used to connect and fix the filter plate at the top position of the arc-shaped mounting plate. Thus, the material can be filtered during feeding. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0018] Figure 2 This is a partial top view of the connecting ring structure of this utility model;

[0019] Figure 3 This is a front view schematic diagram of the first flange ring structure of this utility model;

[0020] Figure 4 This is a top view schematic diagram of the feed inlet structure of this utility model.

[0021] In the diagram: 1. Support frame; 2. Connecting ring; 3. Outer sleeve; 4. Injection nozzle; 5. First telescopic rod; 6. Corrugated telescopic tube; 7. Horizontal plate; 8. First flange ring; 9. Discharge port; 10. Drive motor; 11. Feed inlet; 12. Stirring rod; 13. Inclined block; 14. Second flange ring; 15. Storage box; 16. Connecting bolt; 17. Sealing ring; 18. Locking pin; 19. Locking nut; 20. Arc-shaped mounting plate; 21. Filter plate. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4An embodiment of this utility model provides an automated injection device for precision casting, comprising a support frame 1 and a storage box 15. A discharge port 9 is connected to the bottom of the storage box 15. A second flange ring 14 is fixed to the bottom of the discharge port 9, and a sealing ring 17 is fixed to the bottom of the second flange ring 14. A first flange ring 8 is assembled below the second flange ring 14. A corrugated telescopic tube 6 is connected to the bottom of the first flange ring 8. Locking pins 18 are installed through both sides of the first flange ring 8 and the second flange ring 14. Locking nuts 19 are threaded to the upper and lower ends of the locking pins 18. An injection nozzle 4 is connected to the bottom of the corrugated telescopic tube 6. An outer sleeve 3 is fixed to the outside of the injection nozzle 4. A connecting ring 2 is provided on the outside of the outer sleeve 3. A connecting bolt 16 is fixed between the connecting ring 2 and the outer sleeve 3 for connection. A horizontal plate 7 is fixed to the side of the support frame 1. A first telescopic rod 5 is installed at the bottom of the horizontal plate 7, and the bottom telescopic end of the first telescopic rod 5 is connected to the top of the connecting ring 2.

[0024] A hollow cavity is formed at the center of the connecting ring 2, and rubber pads are fixed at the front and rear positions inside the hollow cavity. The rubber pads are in contact with the outer wall of the outer sleeve 3.

[0025] There are four sets of connecting bolts 16 evenly distributed between the connecting ring 2 and the outer sleeve 3, and the first telescopic rod 5 is symmetrically distributed about the central axis of the connecting ring 2.

[0026] A drive motor 10 is installed at the middle position of the top of the storage box 15, and the output end of the drive motor 10 is connected to the stirring rod 12.

[0027] Inclined blocks 13 are fixed on both sides of the inner wall of the storage box 15 at the lower position, and the top surface of the inclined blocks 13 is designed as an incline.

[0028] One side of the sealing ring 17 contacts the bottom surface of the second flange ring 14, and the other side of the sealing ring 17 contacts the top surface of the first flange ring 8.

[0029] A feed inlet 11 is connected to the left side of the top of the storage bin 15, and a solenoid valve is installed in the feed inlet 11.

[0030] An arc-shaped mounting plate 20 is fixed at the front and rear positions of the inner wall of the feed inlet 11, and a filter plate 21 is fixedly installed at the top position of the arc-shaped mounting plate 20 by bolts.

[0031] Furthermore, the corrugated expansion tube 6 is installed below the discharge port 9, and a necessary solenoid valve is provided in the discharge port 9 in conjunction with existing technology to facilitate the control of material feeding and discharging.

[0032] Working principle: First, an arc-shaped mounting plate 20 is fixed at the front and rear positions of the inner wall of the inlet 11. At the top position of the arc-shaped mounting plate 20, the filter plate 21 is connected and fixed with bolts. During feeding, the material is filtered. The material is fed into the inlet 11, allowing the injected raw material to reach the inside of the corrugated expansion tube 6. Then, the drive motor 10 is started to drive the stirring rod 12 to rotate, thereby mixing the raw material inside. As needed, the connection and fixation between the second flange ring 14 and the first flange ring 8 are completed in advance using the locking pin 18. The contact surface is sealed with a sealing ring 17. The corrugated expansion tube 6 is assembled below the outlet 9. The connection and fixation between the connecting ring 2 and the outer sleeve 3 are completed using the connecting bolt 16. The first telescopic rod 5 is started to adjust the height position of the connecting ring 2, and the corrugated expansion tube 6 is compressed and extended accordingly. Finally, the material is injected through the injection nozzle 4.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. An automated injection device for precision casting, comprising a support frame (1) and a storage bin (15), characterized in that: The bottom of the storage box (15) is connected to a discharge port (9). A second flange ring (14) is fixed to the bottom of the discharge port (9). A sealing ring (17) is fixed to the bottom of the second flange ring (14). A first flange ring (8) is assembled below the second flange ring (14). A corrugated expansion tube (6) is connected to the bottom of the first flange ring (8). A locking pin (18) is installed through both sides of the first flange ring (8) and the second flange ring (14). The upper and lower ends of the locking pin (18) are threaded together. A locking nut (19) is attached to the bottom of the corrugated telescopic tube (6), and a filling nozzle (4) is connected to it. An outer sleeve (3) is fixed to the outside of the filling nozzle (4). A connecting ring (2) is provided on the outside of the outer sleeve (3). A connecting bolt (16) for connecting is fixed between the connecting ring (2) and the outer sleeve (3). A horizontal plate (7) is fixed to the side of the support frame (1). A first telescopic rod (5) is installed at the bottom of the horizontal plate (7). The bottom telescopic end of the first telescopic rod (5) is connected to the top of the connecting ring (2).

2. The automated injection device for precision casting according to claim 1, characterized in that: A hollow cavity is formed at the center of the connecting ring (2), and rubber pads are fixed at the front and rear positions inside the hollow cavity. The rubber pads are in contact with the outer wall of the outer sleeve (3).

3. The automated injection device for precision casting according to claim 1, characterized in that: The connecting bolts (16) are evenly distributed in four groups between the connecting ring (2) and the outer sleeve (3), and the first telescopic rod (5) is symmetrically distributed about the central axis of the connecting ring (2).

4. The automated injection device for precision casting according to claim 1, characterized in that: A drive motor (10) is installed at the middle position of the top of the storage tank (15), and the output end of the drive motor (10) is connected to a stirring rod (12).

5. The automated injection device for precision casting according to claim 1, characterized in that: The storage box (15) has ramp blocks (13) fixed on both sides of the lower part of the inner wall. The top surface of the ramp block (13) is designed as a slope.

6. The automated injection device for precision casting according to claim 1, characterized in that: One side of the sealing ring (17) contacts the bottom surface of the second flange ring (14), and the other side of the sealing ring (17) contacts the top surface of the first flange ring (8).

7. An automated injection device for precision casting according to claim 1, characterized in that: The storage tank (15) has a feed inlet (11) installed on the left side of the top, and the feed inlet (11) is equipped with a solenoid valve.

8. An automated injection device for precision casting according to claim 7, characterized in that: An arc-shaped mounting plate (20) is fixed at the front and rear positions of the inner wall of the feed inlet (11), and a filter plate (21) is fixedly mounted at the top position of the arc-shaped mounting plate (20) by bolts.

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