Resin sand core-making multi-station production line

Abstract

The utility model discloses a resin sand core-making multi-station production line which comprises a movable frame, the sand mixing device comprises two sets of moving parts, rotating shafts rotating on the moving parts, a fixing sleeve rotating between the rotating shafts and a sand mixing bin fixedly inserted into the fixing sleeve, the sand mixing device moves along the moving frame to reach the positions above the different discharging pipes, alternate discharging of materials is achieved, and the sand mixing efficiency is improved. By means of the mode, the production line can convey mixed materials to the discharging pipes in sequence according to the set sequence, the requirement for multi-station core manufacturing production is met, multi-station alternate discharging is achieved, and efficiency is higher.

Description

Technical Field

[0001] This utility model relates to the field of casting technology, and in particular to a multi-station production line for resin sand core making. Background Technology

[0002] Casting production includes material preparation, molding, core making, metal smelting, pouring, and solidification control. Core making is an important step in the casting process, and the quality of the sand core directly affects the quality of the casting.

[0003] Existing resin sand core-making production lines can only achieve single-station material feeding, which cannot meet the needs of multi-station simultaneous production. For large-scale core-making production, it is necessary to frequently move equipment or manually transfer materials to different stations, which greatly reduces production efficiency. Utility Model Content

[0004] This utility model addresses the shortcomings of existing technologies by providing the following technical solution:

[0005] A multi-station resin sand core-making production line includes:

[0006] Mobile rack;

[0007] A sand mixing device, comprising two sets of movable parts, a rotating shaft rotating on the movable parts, a fixed sleeve rotating between the rotating shafts, and a sand mixing chamber fixedly inserted into the fixed sleeve, wherein a motor is fixedly installed on one set of the movable parts, and the output shaft of the motor is coaxially connected to the rotating shaft.

[0008] Multiple sets of feeding pipes are arranged in a linear array on the moving frame. The sand mixing device is driven to move along the extension direction of the moving frame. When the sand mixing device moves above the feed inlet of the feeding pipe, the motor is driven to rotate the sand mixing bin, so that the opening of the sand mixing bin faces downward, allowing the material inside to enter the feeding pipe through the feed inlet, thus realizing alternating feeding.

[0009] As an improvement to the above technical solution, a feeding assembly is also included. The feeding assembly includes a fixed frame disposed on the movable frame, a storage hopper disposed on the fixed frame, and a metering cylinder disposed at the bottom of the storage hopper. Valves are provided at the top and bottom of the metering cylinder.

[0010] As an improvement to the above technical solution, a feed level device is provided on the inner wall of the metering cylinder.

[0011] As an improvement to the above technical solution, the movable component includes a mounting column and a movable wheel mounted below the mounting column, and the mounting column is rotatably connected to the rotating shaft.

[0012] As an improvement to the above technical solution, the mobile frame is provided with a moving track adapted to the moving wheels along its extension direction.

[0013] The beneficial effects of this utility model are:

[0014] Driven by external force, the sand mixing device moves along the extension direction of the moving frame. When the sand mixing device moves directly above the inlet of a certain feeding pipe, the motor is controlled to drive the sand mixing bin to rotate, so that the opening of the sand mixing bin gradually faces downward. Under the action of gravity, the mixed material in the sand mixing bin enters the feeding pipe through the inlet. After completing one feeding, the sand mixing device moves along the moving frame again to reach the inlet of the next feeding pipe and repeats the above feeding operation to realize the alternating feeding of materials. In this way, the production line can deliver the mixed material to each feeding pipe in a set order to meet the needs of multi-station core making production. The alternating feeding of multiple stations is more efficient. Attached Figure Description

[0015] Figure 1 This is a front view of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the sand mixing device of this utility model;

[0017] Figure 3 This is a top view of the mobile frame of this utility model.

[0018] Reference numerals: 10, movable frame; 101, movable track; 20, feeding pipe; 30, fixed frame; 31, storage hopper; 32, metering cylinder; 40, sand mixing device; 41, sand mixing bin; 42, mounting column; 43, motor; 44, fixing sleeve; 45, moving wheel. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0020] A multi-station resin sand core-making production line includes:

[0021] Mobile rack 10;

[0022] The sand mixing device 40 includes two sets of moving parts, a rotating shaft rotating on the moving parts, a fixed sleeve 44 rotating between the rotating shafts, and a sand mixing chamber 41 fixedly inserted into the fixed sleeve 44. A motor 43 is fixedly installed on one set of the moving parts, and the output shaft of the motor 43 is coaxially connected to the rotating shaft.

[0023] Multiple sets of feeding pipes 20 are arranged in a linear array on the moving frame 10. The mixing device 40 is driven to move along the extension direction of the moving frame 10. When the mixing device 40 moves above the feed inlet of the feeding pipe 20, the motor 43 is driven to rotate the mixing bin 41, so that the opening of the mixing bin 41 faces downward, allowing the material inside to enter the feeding pipe 20 through the feed inlet, thus achieving alternating feeding.

[0024] Specifically, refer to Figure 1 and Figure 2 When the production line starts, the materials to be mixed are first placed into the mixing silo 41. Then, the motor 43 is started, converting electrical energy into mechanical energy and outputting rotational power to drive the rotating shaft coaxially connected to its output shaft to start rotating. The rotating shaft drives the mixing silo 41 to rotate together through the fixed sleeve 44. During the rotation of the mixing silo 41, the materials inside the mixing silo 41 are mixed and stirred, thereby achieving full mixing of the materials. During the mixing process, the external force drives the mixing device 40 to move along the extension direction of the moving frame 10. When the mixing device 40 moves to directly above the feed inlet of a certain feed pipe 20, the motor 43 is controlled again. This causes the mixing bin 41 to continue rotating, gradually lowering its opening. At this point, the valve inside the opening of the mixing bin 41 is opened, and the mixed material inside the mixing bin 41, under the influence of gravity, smoothly enters the discharge pipe 20 through the feed inlet. After completing one discharge cycle, the mixing device 40 moves along the moving frame 10 again to the feed inlet of the next discharge pipe 20, repeating the above discharge operation to achieve alternating material discharge. In this way, the production line can sequentially deliver the mixed material to each discharge pipe 20 according to the set sequence, meeting the needs of multi-station core making production. Alternating material discharge at multiple stations results in higher efficiency.

[0025] In one embodiment, reference Figure 1 The system also includes a feeding assembly, which includes a fixed frame 30 mounted on the movable frame 10, a storage hopper 31 mounted on the fixed frame 30, and a metering cylinder 32 connected to the bottom of the storage hopper 31. Valves are provided at the top and bottom of the metering cylinder 32, and a feeding level indicator is provided on the inner wall of the metering cylinder 32. Sand is pre-stored inside the storage hopper 31. When materials need to be added to the mixing box 41, the valve at the top of the metering cylinder 32 is first opened, and the material in the storage hopper 31 flows into the metering cylinder 32 by gravity. When the feeding level indicator is submerged, the valve at the top of the metering cylinder 32 is closed to achieve metered feeding. Then, the required resin and curing agent are added to the metering cylinder 32, and the sand mixing device 40 is moved to below the metering cylinder 32, aligning the opening of the sand mixing chamber 41 with the discharge end of the metering cylinder 32. Then, the valve at the bottom of the metering cylinder 32 is opened, and the material in the metering cylinder 32 falls into the sand mixing chamber 41 below, completing one feeding operation.

[0026] In one embodiment, reference Figure 2 The movable component includes a mounting column 42 and a movable wheel 45 mounted below the mounting column 42. The mounting column 42 is rotatably connected to the rotating shaft. The mounting column 42 serves as a connection and support. The movable wheel 45 mounted on the mounting column 42 is a key component for moving the sand mixing device 40. When it is necessary to drive the sand mixing device 40 to move, the movable wheel 45 rolls on the movable frame 10.

[0027] In one embodiment, reference Figure 3 The movable frame 10 is provided with a movable track 101 adapted to the movable wheel 45 along its extension direction. The movable wheel 45 moves within the movable track 101. Since the movable track 101 limits the direction and trajectory of movement, the movable wheel 45 can only move along the path specified by the movable track 101, providing guidance for the movement of the sand mixing device 40. The movable track 101 and the movable wheel 45 are closely matched, limiting the shaking and deviation of the sand mixing device 40 during the movement, ensuring the stability of the sand mixing device 40 during movement, and preventing material spillage due to shaking.

[0028] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it.

Claims

1. A multi-station resin sand core-making production line, characterized in that, include: Mobile frame (10); A sand mixing device (40) includes two sets of moving parts, a rotating shaft rotating on the moving parts, a fixed sleeve (44) rotating between the rotating shafts, and a sand mixing chamber (41) fixedly inserted into the fixed sleeve (44). A motor (43) is fixedly installed on one set of the moving parts, and the output shaft of the motor (43) is coaxially connected to the rotating shaft. Multiple sets of feeding pipes (20) are arranged in a linear array on the moving frame (10). The mixing device (40) is driven to move along the extension direction of the moving frame (10). When the mixing device (40) moves above the feed inlet of the feeding pipe (20), the motor (43) is driven to rotate the mixing bin (41), so that the opening of the mixing bin (41) faces downward, so that the material inside enters the feeding pipe (20) through the feed inlet, thereby realizing alternating feeding.

2. The resin sand core-making multi-station production line according to claim 1, characterized in that: It also includes a feeding assembly, which includes a fixed frame (30) disposed on the movable frame (10), a storage hopper (31) disposed on the fixed frame (30), and a metering cylinder (32) connected to the bottom of the storage hopper (31). Valves are provided at the top and bottom of the metering cylinder (32).

3. The resin sand core-making multi-station production line according to claim 2, characterized in that: A feed leveler is provided on the inner wall of the metering cylinder (32).

4. The resin sand core-making multi-station production line according to claim 1, characterized in that: The movable component includes a mounting post (42) and a movable wheel (45) mounted below the mounting post (42), and the mounting post (42) is rotatably connected to the rotating shaft.

5. The resin sand core-making multi-station production line according to claim 4, characterized in that: The mobile frame (10) is provided with a mobile track (101) adapted to the mobile wheel (45) along its extension direction.

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