CN218168619U - Foundry goods molding sand retrieves preliminary treatment breaker - Google Patents

Abstract

The utility model discloses a casting molding sand recovery pretreatment crusher, wherein the casting molding sand is arranged in a crushing tank for crushing and dispersing treatment, a feed inlet is arranged at the upper end of the crushing tank in a through manner, a discharge passage is arranged at the lower end of the crushing tank in a through manner, and supporting frames are symmetrically fixed at two sides of the lower end of the crushing tank; the method comprises the following steps: the protective cover is fixedly arranged at the middle position in the crushing tank, and an inner material guide block is fixedly arranged at the upper end of the protective cover; the outer material guide block is fixedly arranged at the upper position of the inner side of the crushing tank; and the driving motor is fixedly arranged on the right side surface of the outer part of the crushing tank, and the side output end of the driving motor is connected with a driving shaft lever. This preliminary treatment breaker is retrieved to foundry goods molding sand adopts neotype structural design for this device can be in grades fully to foundry goods molding sand processing, and is provided with sand grain screening structure in the device, improves the device and arranges husky effect.

Description

A casting sand recycling pretreatment crusher

technical field

The utility model relates to the technical field of stone crushing, in particular to a crusher for recycling and pretreatment of casting mold sand.

Background technique

Casting sand is generally a kind of mixed sand material, which has greater strength and heat resistance, and has better fluidity. Generally, casting sand can be recycled. It carries out crushing and dispersing, but because the sand grains required to be processed and reused after casting molding sand recovery are relatively fine, when some existing crushers are pretreated inside the crusher, there is a certain gap between the crushing mechanism and the inside of the equipment during operation. , can not completely contact the sand that is crushed into the material. After the casting sand is processed by the crushing component, it is not convenient to quickly obtain finer sand, and the recycled casting sand has higher requirements for sand. After the casting sand is processed at one time The requirements for sand particles do not meet the requirements for recycling, and it is necessary to repeat the processing of casting sand for many times.

Contents of the invention

The purpose of this utility model is to provide a casting molding sand recycling pretreatment crusher, to solve the above background technology that when the casting molding sand is pretreated inside the crusher, there is a certain gap between the crushing mechanism and the inside of the equipment during operation. Can not completely contact the crushed sand into the material, the casting sand is not easy to quickly obtain finer sand after being processed by the crushing component, and it is necessary to repeat the processing of the casting sand many times.

In order to achieve the above purpose, the utility model provides the following technical solutions: a casting molding sand recycling pretreatment crusher, the casting molding sand is set inside the crushing tank for crushing and dispersing treatment, the upper end of the crushing tank is connected with a feed port, and the lower end is connected to the crushing tank. A discharge channel is installed, and support frames are symmetrically fixed on both sides of the lower end;

A casting molding sand recycling pretreatment crusher, comprising:

A protective cover, which is fixedly installed in the middle of the crushing tank, and an inner guide block is fixedly installed on the upper end of the protective cover, and a transmission shaft rod is connected to the inner guide block through rotation, and the transmission A vibration plate is fixedly installed on the upper surface of the shaft, and a transmission bevel gear is fixedly installed on the lower surface of the transmission shaft;

The outer material guide block is fixedly installed on the inner side and upper position of the crushing tank, and fixed frosting cylinders are installed on both sides of the inner side and lower side of the crushing tank;

A driving motor, which is fixedly installed on the outer right side of the crushing tank, and the side output end of the driving motor is connected to a driving shaft, and the outer surface of the driving shaft is fixedly installed with a driving bevel gear, and the Both sides of the outside of the drive shaft are fixedly equipped with movable sanding cylinders.

Preferably, the vibrating plate is installed eccentrically on the upper end of the transmission shaft, and the lower end of the transmission shaft is meshed with the side of the drive bevel gear through the transmission bevel gear, and the driving motor controls the rotation of the drive shaft and the drive bevel gear , under the action of the gear meshing transmission structure, the corresponding rotation of the transmission bevel gear and the transmission shaft can be controlled.

Preferably, the vibration plate is arranged eccentrically between the outer material guide block and the inner material guide block, and the inner material guide block and the outer material guide block are distributed concentrically, and the transmission shaft controls the vibration plate corresponding to the outer guide block when rotating. Circular rotation between the material block and the inner guide block, so as to pre-treat and break the feeding casting sand.

Preferably, four of the fixed scrubbing cylinders are arranged at equal angles outside the movable scrubbing cylinder, and the outer surface of the fixed scrubbing cylinder and the outer surface of the movable scrubbing cylinder are attached to each other, and the movable scrubbing cylinder is controlled to correspond to the fixed frosting cylinder. The inner side of the cylinder rotates continuously to further break and disperse the sand particles through friction.

Preferably, the inner side of the support frame is also provided with a slide bar and an automatic lifting rod:

The sliding rod is fitted and fixedly installed on the inner side of the support frame, and the sliding column is sleeved on the outside of the sliding rod, and a discharge hopper is fixedly installed between the sliding columns on the left and right sides, and the inside of the discharging hopper Fitted and fixed with a filter cover;

The automatic lifting rod is fixedly installed on the inner side of the support frame, and the upper telescopic end of the automatic lifting rod is fixedly equipped with a positioning piece, and the positioning piece is fixedly installed on the side of the sliding column.

Preferably, the sliding column and the discharge hopper are fixed as an integrated up and down driving structure, and the sliding column and the sliding rod form an up and down sliding structure, and the automatic lifting rod is operated to push the positioning piece and the sliding column to slide up and down, which can control the corresponding discharge hopper Corresponding position at the lower end of the discharge channel.

Preferably, the cross-section of the filter screen cover has an arc-shaped structure, and the filter screen cover and the outlet at the lower end of the discharge channel correspond to each other, and the broken sand particles can be screened through the filter screen cover to improve the control of the crusher. The quality of the discharged sand grains.

Compared with the prior art, the beneficial effect of the utility model is that: the casting sand recovery pretreatment crusher adopts a new structural design, so that the device can conveniently classify, crush and disperse the casting sand, and at the same time, the device is equipped with a row The material sand screening structure improves the quality of the device to control the sand discharge. The specific content is as follows:

1. The casting sand recovery pretreatment crusher is equipped with the effect of grading and crushing the casting sand. After the casting sand is controlled to enter the inside of the crushing tank, the drive motor is operated to control the drive shaft and drive the bevel gear to rotate. Under the action of the gear meshing transmission structure It can control the corresponding rotation of the vibrating disc, and the drive shaft can control the synchronous rotation of the external fixed movable sanding cylinder. The vibrating disc and the movable sanding cylinder can crush the incoming casting sand in stages, so that the crushing mechanism can be fully integrated with the incoming material. The contact processing of sand particles improves the effect of crushing and processing casting sand of the device.

2. The casting sand recovery pretreatment crusher is equipped with a sand discharge screening structure. After the sand enters the inside of the discharge hopper through the discharge channel, the sand discharge can be processed under the filtering effect of the filter screen cover. Screening to maintain the quality of the discharged sand, and by adjusting the position of the discharge hopper corresponding to the lower end of the discharge channel, the remaining sand blocks isolated on the filter screen cover can be collected and processed.

Description of drawings

Fig. 1 is a schematic diagram of the overall front sectional structure of the utility model.

Fig. 2 is a schematic diagram of the front structure of the fixed frosting cylinder of the present invention.

Fig. 3 is a schematic diagram of the side view structure of the movable frosting cylinder of the present invention.

Fig. 4 is a schematic view of the front view of the support frame of the present invention.

Fig. 5 is a frontal sectional structural schematic diagram of the discharge hopper of the present invention.

In the figure: 1. Crushing tank; 2. Feed inlet; 3. Discharge channel; 4. Support frame; 5. Protective cover; 6. Inner guide block; 7. Transmission shaft; 8. Vibration plate; Transmission bevel gear; 10. Outer guide block; 11. Fixed grinding cylinder; 12. Driving motor; 13. Driving shaft; 14. Driving bevel gear; 15. Movable grinding cylinder; 16. Slide bar; 17. Sliding column; 18. Discharging hopper; 19. Filter screen cover; 20. Automatic lifting rod; 21. Positioning piece.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

Please refer to Figures 1-5. The utility model provides a casting sand recovery pretreatment crusher. The casting sand is set in the crushing tank 1 for crushing and dispersing treatment. The upper end of the crushing tank 1 is connected with a feed port 2, and the lower end is installed through There is a discharge channel 3, and support frames 4 are symmetrically fixed on both sides of the lower end;

A casting molding sand recycling pretreatment crusher, comprising:

The protective cover 5 fixedly installed in the middle position inside the crushing tank 1, and the upper end of the protective cover 5 is fixedly installed with the inner material guide block 6, and the inside of the inner material guide block 6 is connected with the transmission shaft rod 7 and the transmission shaft The upper surface of the rod 7 is fixedly equipped with a vibrating plate 8, and the lower surface of the transmission shaft 7 is fixedly installed with a transmission bevel gear 9; the outer material guide block 10 is fixedly installed on the inner side of the crushing tank 1, and the inner side of the crushing tank 1 Both sides below are equipped with fixed scrubbing cylinder 11;

The drive motor 12 fixedly installed on the outer right side of the crushing tank 1, and the side output end of the drive motor 12 is connected with the drive shaft 13, and the outer surface of the drive shaft 13 is fixed with the drive bevel gear 14, and the drive shaft Both sides of the outside of the rod 13 are fixedly equipped with movable scrubbing tubes 15 .

In this example, the vibrating plate 8 is installed eccentrically on the upper end of the transmission shaft 7, and the lower end of the transmission shaft 7 is meshed with the drive bevel gear 14 through the transmission bevel gear 9; the vibrating plate 8 is set eccentrically on the outer material guide block 10 and the inner material guide block 6, and the inner material guide block 6 and the outer material guide block 10 are coaxially distributed; there are 4 fixed frosting cylinders 11 arranged on the outside of the movable grinding cylinder 15 at equal angles, and the fixed grinding cylinders The outer surface of 11 and the outer surface of movable scrubbing tube 15 are attached to each other.

Through the feed port 2, the casting molding sand is controlled to move downward into the interior of the crushing tank 1 at the lower end, and the driving motor 12 is operated to control the rotation of the driving shaft 13 and the driving bevel gear 14, and the side of the driving bevel gear 14 meshes with the side of the driving bevel gear 9 connected, under the effect of gear meshing transmission, the transmission shaft 7 and the vibrating plate 8 can be controlled to rotate correspondingly, so that the vibrating plate 8 is correspondingly rotated in a circle between the outer guide block 10 and the inner guide block 6, and the vibrating disc 8 is installed eccentrically on the The upper end of the transmission shaft 7, in the process of its circular rotation, can make the casting molding sand collide with the outer material guide block 10 to rub against the sides, thereby pre-treating the casting molding sand.

The pretreated sand enters the bottom of the crushing tank 1, and the driving shaft 13 drives the external movable grinding cylinder 15 to rotate synchronously during the rotation process. The movable grinding cylinder 15 is correspondingly arranged in the middle of the four sets of fixed grinding cylinders 11. When the cylinder 15 is rotated, it is attached to the outer side of the fixed grinding cylinder 11 for friction, and the sand particles can be further crushed and dispersed under the action of friction, so as to improve the effect of the device on processing casting sand.

The inner side of the support frame 4 is also provided with a slide bar 16 and an automatic lifting rod 20: the slide bar 16 is fitted and fixedly installed on the inside of the support frame 4, and the outside of the slide bar 16 is sleeved with a sliding column 17, and the left and right sides A discharge hopper 18 is fixedly installed between the sliding columns 17, and a filter screen cover 19 is fitted and fixed inside the discharge hopper 18; the automatic lifting rod 20 is fixedly installed on the inner side of the support frame 4, and the upper telescopic end of the automatic lifting rod 20 is fixed. The positioning piece 21 is installed, and the positioning piece 21 is fixedly installed on the side position of the sliding column 17; the sliding column 17 and the discharge hopper 18 are fixed as an integrated up and down drive structure, and the sliding column 17 and the slide bar 16 form an up and down sliding structure; The section of the screen cover 19 is arc-shaped, and the filter screen cover 19 corresponds to the outlet at the lower end of the discharge channel 3 .

The broken sand moves down through the discharge channel 3 and enters the inside of the discharge hopper 18 at the lower end. Under the screening effect of the filter screen cover 19, the sand can be filtered and screened, and the fine sand after the screening moves down into the The lower end of the discharge hopper 18 is discharged outwards to improve the quality of sand discharge. After processing, the automatic lifting rod 20 is operated to control the positioning piece 21 to move downward. 17 controls the fixed discharge hopper 18 on the inside to move downwards, which is convenient for the staff to clean up the sand blocks isolated on the filter screen cover 19.

Working principle: When using this device, according to the structure shown in Figure 1-5, the casting sand is controlled to enter the crushing tank 1 through the feed port 2, and the driving motor 12 is operated to control the rotation of the driving shaft 13, which acts on the gear meshing transmission structure It can control the rotation of the transmission shaft 7 and the vibrating disc 8, and under the rotation of the driving shaft 13, it can control the synchronous rotation of the externally fixed movable grinding cylinder 15. The casting molding sand is crushed and processed to improve the effect of crushing and processing the sand, and the sand flows downward into the inside of the discharge hopper 18, and finally the sand is screened through the filter cover 19 to improve the quality of the sand discharged by the device.

Claims (7)

1. A crusher for casting molding sand recovery and pretreatment. The casting molding sand is set inside the crushing tank (1) for crushing and dispersing treatment. The upper end of the crushing tank (1) is connected with a feed port (2), and the lower end is connected with The discharge channel (3), and the support frames (4) are symmetrically fixed on both sides of the lower end; It is characterized by including: A protective cover (5), which is fixedly installed in the middle position inside the crushing tank (1), and an inner material guide block (6) is fixedly installed on the upper end of the protective cover (5), and the inner material guide block (6 ) is connected with a transmission shaft (7) for rotation, and the upper surface of the transmission shaft (7) is fixed with a vibrating plate (8), and the lower surface of the transmission shaft (7) is fixed with a transmission bevel gear (9); An outer material guide block (10), which is fixedly installed at the upper inner side of the crushing tank (1), and fixed sanding cylinders (11) are installed on both sides of the inner lower side of the crushing tank (1); A drive motor (12), which is fixedly installed on the outer right side of the crushing tank (1), and a drive shaft (13) is connected to the side output end of the drive motor (12), and the drive shaft A drive bevel gear (14) is fixedly installed on the outer surface of (13), and a movable sanding cylinder (15) is fixedly installed on both sides of the drive shaft (13). 2. A casting molding sand recycling pretreatment crusher according to claim 1, characterized in that: the vibrating plate (8) is installed on the upper end of the transmission shaft (7) eccentrically, and the transmission shaft (7) The lower end is meshed with the driving bevel gear (14) through the transmission bevel gear (9). 3. A casting molding sand recovery pretreatment crusher according to claim 2, characterized in that: the vibrating plate (8) is arranged eccentrically between the outer guide block (10) and the inner guide block (6) between, and the inner material guide block (6) and the outer material guide block (10) are coaxially distributed. 4. A casting molding sand recovery and pretreatment crusher according to claim 1, characterized in that 4 fixed sanding cylinders (11) are distributed outside the movable sanding cylinder (15) at equal angles, and the The outer surface of the fixed scrubbing cylinder (11) and the outer surface of the movable scrubbing cylinder (15) are attached to each other. 5. A casting molding sand recycling pretreatment crusher according to claim 1, characterized in that: the inner side of the support frame (4) is also provided with a sliding rod (16) and an automatic lifting rod (20): The sliding rod (16), which is fitted and fixed on the inner side of the support frame (4), and the outside of the sliding rod (16) is sleeved with sliding columns (17), and the sliding columns on the left and right sides ( 17) A discharge hopper (18) is fixedly installed between them, and a filter screen cover (19) is fitted and fixed inside the discharge hopper (18); The automatic lifting rod (20), which is fixedly installed on the inner side of the support frame (4), and the upper telescopic end of the automatic lifting rod (20) is fixedly equipped with a positioning piece (21), and the positioning piece (21) is fixed Installed on the side of the sliding column (17). 6. A casting molding sand recycling pretreatment crusher according to claim 5, characterized in that: the sliding column (17) and the discharge hopper (18) are fixed in an integrated up and down drive structure, and the sliding column ( 17) and slide bar (16) constitute up and down sliding structure. 7. A casting molding sand recovery and pretreatment crusher according to claim 5, characterized in that: the cross section of the filter screen cover (19) has an arc-shaped structure, and the filter screen cover (19) and the discharge material The outlets at the lower ends of the channels (3) correspond to each other.

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