Rolling type resin sand regenerator

Abstract

The utility model discloses a rolling type resin sand regenerator, which belongs to the field of resin sand regeneration, and comprises a box body, the top of the box body is fixedly connected with a top shell, a rolling mechanism is arranged in the box body, the rolling mechanism comprises a group of rolling shafts, the rolling shafts are rotatably connected in the box body, a dispersing mechanism is arranged in the top shell, and the dispersing mechanism comprises a movable frame. A dispersing net is fixedly mounted on the inner wall of the top of the movable frame, and a first dispersing structure and a second dispersing structure are arranged in the movable frame. The device has the beneficial effects that the dispersing mechanism and the pressing mechanism are arranged, through the arrangement of the two layers of dispersing structures, regenerated sand is evenly distributed in the area of the axis of the rolling shaft as much as possible, and the situation that too much to-be-treated resin sand falls into the middle of the rolling shaft, and the rolling effect and the regeneration efficiency are affected is prevented; the movable frame moves up and down, and the passing efficiency of raw materials in the movable frame is improved.

Description

Technical Field

[0001] This utility model relates to the field of resin sand regeneration, and in particular to a rolling resin sand regeneration machine. Background Technology

[0002] Resin sand can improve the quality of castings in the production and processing of castings, which is conducive to improving the accuracy of dimensions and facilitating demolding. In the production and processing of resin sand, the raw material needs to be crushed. During the crushing process, the raw material is repeatedly crushed and pulverized, and then cleaned and sent to the next processing step. Finally, the processing is completed through recycling.

[0003] A search revealed a Chinese patent publication number CN213856905U, which discloses an easy-to-operate resin sand regeneration device. This patent includes a tank, a feed hopper, a discharge pipe, a crushing roller positioned below the feed hopper, a transmission mechanism positioned below the crushing roller, a rotary grinding mechanism positioned below the transmission mechanism, a dust collection trough positioned below the rotary grinding mechanism, a first screen positioned on the dust collection trough, and a vibrating motor positioned at the bottom of the dust collection trough. Through the cooperation of the rotary grinding mechanism and the transmission mechanism, the transmission mechanism drives the rotary grinding mechanism to crush and grind the resin sand, thereby efficiently breaking down the inert substances on the outer surface of the resin sand, making the resin sand meet usage requirements. The device utilizes the synergistic effect of the vibrating motor and the first screen; the vibration of the vibrating motor causes dust and debris between the resin sand particles to fall through the first screen and onto the dust collection trough, resulting in clean resin sand and achieving efficient recycling and regeneration of resin sand. However, in existing compaction-type resin sand regeneration machines, when resin sand is fed into the device, it accumulates in the middle of the compaction roller, affecting the compaction effect and reducing the regeneration efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a rolling resin sand regeneration machine to solve the above-mentioned problems.

[0005] This utility model achieves the above objectives through the following technical solutions:

[0006] A rolling resin sand regeneration machine includes a housing, a top shell fixedly connected to the top of the housing, a feed hopper fixedly connected to the top of the top shell, a discharge pipe provided at the bottom of the housing, a rolling mechanism provided inside the housing, the rolling mechanism including a set of rolling shafts rotatably connected to the housing, a dispersing mechanism provided inside the top shell, the dispersing mechanism including a movable frame, a dispersing net fixedly installed on the inner wall of the top of the movable frame, a first dispersing structure and a second dispersing structure provided inside the movable frame, the first dispersing structure and the second dispersing structure being arranged vertically to prevent a large amount of resin sand from falling to the middle position of the rolling shafts, a connecting plate fixedly connected to the top of the movable frame, the connecting plate being slidably connected to the top of the top shell, a reset component provided on the connecting plate, and a pressing mechanism installed on the top of the top shell, the pressing mechanism being used to make the movable frame move up and down reciprocally.

[0007] Preferably, the first dispersing structure includes a baffle plate, which is fixedly connected to the middle position of the movable frame, and the baffle plate has a plurality of material leakage grooves.

[0008] Preferably, the second dispersion structure includes a plurality of dispersion columns arranged in a tower-like manner.

[0009] Preferably, the reset assembly includes several guide rods, which are fixedly connected to the top of the top shell. A connecting plate is slidably connected to the guide rods, and a spring is sleeved on the guide rods, with the spring located between the connecting plate and the top shell.

[0010] Preferably, the pressing mechanism includes a connecting frame, which is fixedly connected to the top of the top shell. A rotating shaft is rotatably connected to the connecting frame, and a cam is fixedly connected to one end of the rotating shaft. The cam is in contact with the connecting plate.

[0011] Preferably, a pulley is fixedly connected to the end of the rotating shaft away from the cam, a synchronous belt is fitted on the pulley, and a transmission wheel is fitted to the end of the synchronous belt away from the pulley. The transmission wheel is rotatably connected to the housing and is fixedly connected to a rolling shaft.

[0012] The beneficial effects are as follows: the setting of a dispersion mechanism and a pressing mechanism, through the setting of two-layer dispersion structure, makes the recycled sand as evenly distributed as possible in the area of ​​the roller axis, preventing too much resin sand to be treated from falling into the middle position of the roller, affecting the rolling effect and recycling efficiency. The setting of the pressing mechanism allows the movable frame to move up and down, improving the passing efficiency of raw materials in the movable frame.

[0013] The additional technical features and advantages of this utility model will become more apparent from the following description, or may be learned through specific practice of this utility model. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the following detailed description to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0015] Figure 1 This is a schematic diagram of a roller-type resin sand regeneration machine according to the present invention;

[0016] Figure 2 This is a first-angle sectional view of a roller-type resin sand regeneration machine according to this utility model;

[0017] Figure 3 This is a second-angle sectional view of a roller-type resin sand regeneration machine according to this utility model;

[0018] Figure 4 This is a schematic diagram of the coordination between the dispersing mechanism and the pressing mechanism of the roller-type resin sand regeneration machine described in this utility model;

[0019] Figure 5 This is a schematic diagram of the pressing mechanism of a roller-type resin sand regeneration machine described in this utility model;

[0020] Figure 6 This is a schematic diagram of the baffle structure of a rolling resin sand regeneration machine according to the present invention.

[0021] The reference numerals in the attached drawings are explained as follows: 101, box body; 102, top shell; 103, feed hopper; 104, discharge pipe; 201, rolling shaft; 202, drive shaft; 203, power assembly; 301, movable frame; 302, connecting plate; 303, guide rod; 304, spring; 305, dispersing net; 306, baffle plate; 307, material leakage trough; 308, dispersing column; 401, connecting frame; 402, rotating shaft; 403, cam; 404, pulley; 405, synchronous belt; 406, transmission wheel. 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 of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] The present invention will be further described below with reference to the accompanying drawings:

[0025] like Figure 1 — Figure 6 As shown, a rolling-type resin sand regeneration machine includes a housing 101. A top shell 102 is bolted to the top of the housing 101, and a feed hopper 103 is bolted to the top of the top shell 102. A discharge pipe 104 is provided at the bottom of the housing 101. A rolling mechanism is installed inside the housing 101, including a set of rolling shafts 201. One end of each rolling shaft 201 is connected to a drive shaft 202 via a coupling. The drive shaft 202 is rotatably connected to the housing 101. A power assembly 203 is fixedly installed on one side of the housing 101. The power assembly 203 drives the drive shaft 202 to rotate, causing the set of rolling shafts 201 to rotate relative to each other, thus rolling the resin sand. The structure below the rolling shafts 201 is prior art; for details, please refer to Chinese Patent Publication No. CN213856905U, which will not be elaborated here. The rolling shafts 201 are rotatably connected inside the housing 101, and the top shell 102... The device includes a dispersion mechanism, comprising a movable frame 301 movably disposed within the top shell 102. The movable frame 301 has an opening at its bottom, located directly above the engagement portion of the rolling shaft 201. A dispersion net 305 is fixedly installed on the inner top wall of the movable frame 301. The movable frame 301 contains a first dispersion structure and a second dispersion structure, positioned vertically to prevent a large amount of resin sand from falling into the middle of the rolling shaft 201, ensuring the resin sand is evenly distributed along the axis of the rolling shaft 201, thereby improving the compaction effect and efficiency. A connecting plate 302 is bolted to the top of the movable frame 301 and slidably connected to the top of the top shell 102. A reset component is mounted on the connecting plate 302. A pressing mechanism is installed on the top of the top shell 102 to reciprocate the movement of the movable frame 301.

[0026] In this embodiment, the first dispersion structure includes a baffle plate 306. The top of the baffle plate 306 is arc-shaped. The baffle plate 306 is bolted to the middle position of the movable frame 301. Several material leakage grooves 307 are provided on the baffle plate 306. The baffle plate 306 causes the regenerated sand located directly below the feed hopper 103 to move to both sides. The purpose of the material leakage grooves 307 is to reduce the resin sand falling in the middle position of the rolling shaft 201.

[0027] In this embodiment, the second dispersion structure includes a plurality of dispersion columns 308 arranged in a tower shape. The dispersion columns 308 further disperse the recycled sand passing through the baffle plate 306, thereby further making the recycled sand more evenly distributed.

[0028] In this embodiment, the reset assembly includes several guide rods 303. The guide rods 303 are bolted to the top of the top shell 102. The connecting plate 302 is slidably connected to the guide rods 303. A spring 304 is sleeved on the guide rods 303. The spring 304 is located between the connecting plate 302 and the top shell 102. The spring 304 resets the downwardly moving movable frame 301, enabling the movable frame 301 to move up and down, preventing internal blockage and improving the throughput efficiency of recycled sand.

[0029] In this embodiment, the pressing mechanism includes a connecting frame 401, which is bolted to the top of the top shell 102. A rotating shaft 402 is rotatably connected to the connecting frame 401, and a cam 403 is bolted to one end of the rotating shaft 402. The cam 403 is in contact with the connecting plate 302. When the cam 403 rotates, it cyclically presses down on the connecting plate 302, causing the movable frame 301 to move up and down cyclically.

[0030] In this embodiment, a pulley 404 is bolted to the end of the rotating shaft 402 away from the cam 403. A synchronous belt 405 is fitted on the pulley 404. A transmission wheel 406 is fitted to the end of the synchronous belt 405 away from the pulley 404. The transmission wheel 406 is rotatably connected to the housing 101. The transmission wheel 406 is bolted to a rolling shaft 201.

[0031] Working principle: When using this device, the resin sand to be processed is fed into the feed hopper 103, and the power assembly 203 is started. The power assembly 203 drives the crushing shaft 201 to rotate through the drive shaft 202. The raw material enters the top shell 102 from the feed hopper 103. A large amount of resin sand will first fall to the center of the dispersing net 305 on the movable frame 301. After passing through the dispersing net 305, most of the resin sand will fall onto the baffle plate 306. Guided by the baffle plate 306, some of the resin sand falls through the discharge chute 307, while the other part moves to both sides of the baffle plate 306. Then, after further dispersion by the dispersing column 308, it falls from the bottom of the movable frame 301. The resin sand is distributed as evenly as possible along the axial range of the meshing area of ​​the rolling shaft 201, which is beneficial to improving the rolling effect. While the resin sand is moving, the rolling shaft 201 drives the synchronous belt 405 to move through the transmission wheel 406. The synchronous belt 405 drives the pulley 404 to rotate. The pulley 404 drives the cam 403 to rotate through the rotating shaft 402. The cam 403 cyclically presses down on the connecting plate 302. The connecting plate 302 moves up and down relative to the guide rod 303 and cooperates with the spring 304 to make the movable frame 301 move up and down back and forth. This causes the resin sand to jump within the movable frame 301, which is beneficial to improving the uniformity of the resin sand distribution. After the resin sand is regenerated in the box 101, it is discharged through the discharge pipe 104.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A rolling type resin sand regeneration machine, comprising a housing (101), a top shell (102) fixedly connected to the top of the housing (101), a feed hopper (103) fixedly connected to the top of the top shell (102), and a discharge pipe (104) provided at the bottom of the housing (101), characterized in that: The housing (101) is equipped with a rolling mechanism, which includes a set of rolling shafts (201). The rolling shafts (201) are rotatably connected inside the housing (101). The top shell (102) is equipped with a dispersing mechanism, which includes a movable frame (301). A dispersing net (305) is fixedly installed on the inner wall of the top of the movable frame (301). The movable frame (301) is equipped with a first dispersing structure and a second dispersing structure. The first dispersing structure and the second dispersing structure are arranged vertically to prevent a large amount of resin sand from falling to the middle position of the rolling shaft (201). A connecting plate (302) is fixedly connected to the top of the movable frame (301). The connecting plate (302) is slidably connected to the top of the top shell (102). A reset component is provided on the connecting plate (302). A pressing mechanism is installed on the top of the top shell (102). The pressing mechanism is used to make the movable frame (301) move up and down reciprocally.

2. The roller-type resin sand regeneration machine according to claim 1, characterized in that: The first dispersion structure includes a baffle plate (306), which is fixedly connected to the middle position of the movable frame (301), and a plurality of material leakage grooves (307) are provided on the baffle plate (306).

3. The roller-type resin sand regeneration machine according to claim 1, characterized in that: The second dispersion structure includes a plurality of dispersion columns (308) arranged in a tower-like manner.

4. A roller-type resin sand regeneration machine according to claim 1, characterized in that: The reset assembly includes several guide rods (303), the guide rods (303) are fixedly connected to the top of the top shell (102), the connecting plate (302) is slidably connected to the guide rods (303), and a spring (304) is sleeved on the guide rods (303), the spring (304) being located between the connecting plate (302) and the top shell (102).

5. A roller-type resin sand regeneration machine according to claim 1, characterized in that: The pressing mechanism includes a connecting frame (401), which is fixedly connected to the top of the top shell (102). A rotating shaft (402) is rotatably connected to the connecting frame (401), and a cam (403) is fixedly connected to one end of the rotating shaft (402). The cam (403) is in contact with the connecting plate (302).

6. A roller-type resin sand regeneration machine according to claim 5, characterized in that: A pulley (404) is fixedly connected to one end of the rotating shaft (402) away from the cam (403). A synchronous belt (405) is fitted on the pulley (404). A transmission wheel (406) is fitted to one end of the synchronous belt (405) away from the pulley (404). The transmission wheel (406) is rotatably connected to the housing (101). The transmission wheel (406) is fixedly connected to one of the rolling shafts (201).

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