Feeding device of sand mixer

Abstract

The utility model relates to the technical field of sand mixers, and discloses a sand mixer feeding device which comprises a supporting rod, a first collecting hopper is fixedly installed at the top of the supporting rod, a filtering installation box is fixedly installed at the top of the first collecting hopper, and a fine sand discharging pipe is fixedly installed at the bottom of the first collecting hopper. A filter screen is fixedly mounted at the lower end of the inner wall of the filter mounting box, a coarse sand cleaning mechanism is arranged on the inner wall of the filter mounting box, and a mounting box is fixedly mounted at the lower end of the right side of the inner wall of the filter mounting box. And the coarse sand cleaning mechanism opens the automatic reset mechanism to enable the coarse sand to enter the second collecting hopper, so that the coarse sand accumulated on the filter screen can be automatically cleaned, the situation that the coarse sand is accumulated on the filter screen to affect normal filtration of the filter screen is avoided, the filter screen does not need to be manually disassembled and cleaned, and the feeding efficiency of the whole device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sand mixers, in particular to a feeding device for a sand mixer. Background Art

[0002] A sand mixer is a device that evenly mixes the components in the molding sand and effectively coats the surface of the sand particles with a binder. The sand mixer utilizes the relative movement of the grinding wheel and the grinding disc to crush the material placed between the two by means of grinding and crushing. The sand mixer mixes the material while crushing it. Upon searching, application number 202222179167.1 discloses a feeding device and a sand mixer, comprising a support frame, the top of which is fixedly connected to a feed box, one side of which is fixedly connected to a support plate, the top of which is connected to a first servo motor, the output end of which is connected to a first turntable, the bottom of which is fixedly connected to a rotating rod, the bottom of which is fixedly connected to a cam, and the outer surface of which is rotatably connected to a rotating mechanism.

[0003] However, after filtering and cleaning the large sand particles on the filter, this device is unable to remove the large sand particles on the filter, which will cause the large sand particles to accumulate on the filter and affect the normal filtration of the filter. The filter needs to be disassembled and cleaned frequently, which is very time-consuming and labor-intensive.

[0004] For this purpose, we propose a feeding device for a sand mixer. Utility Model Content

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a feeding device for a sand mixer.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a feeding device for a sand mixer comprises a support rod, a first collecting bucket is fixedly installed on the top of the support rod, a filter installation box is fixedly installed on the top of the first collecting bucket, a fine sand discharge pipe is fixedly installed on the bottom of the first collecting bucket, a filter screen is fixedly installed on the lower end of the inner wall of the filter installation box, a coarse sand cleaning mechanism is arranged on the inner wall of the filter installation box, a mounting box is fixedly installed on the lower right end of the inner wall of the filter installation box, a second collecting bucket is fixedly installed on the bottom of the mounting box, a coarse sand discharge pipe is fixedly installed on the bottom of the second collecting bucket, an automatic reset mechanism is arranged on the inner wall of the mounting box, the coarse sand cleaning mechanism comprises a servo motor, and the right side wall surface of the servo motor is fixedly connected to the left side wall surface of the filter installation box, the output end of the servo motor movably passes through the left side of the inner wall of the filter installation box, the automatic reset mechanism comprises a movable baffle, and the outer wall of the movable baffle is movably connected to the right side lower end of the inner wall of the filter installation box and the inner wall of the mounting box respectively.

[0007] Preferably, a screw is fixedly installed at the output end of the servo motor, and the right side wall of the screw is movably connected to the right side of the inner wall of the filter installation box, the outer wall of the screw is threadedly connected to a moving block, and a connecting rod is fixedly installed at the bottom of the moving block.

[0008] Preferably, a contact rod is fixedly mounted on the left wall surface of the movable baffle, and a telescopic inner rod is fixedly mounted on the right wall surface of the movable baffle.

[0009] Preferably, a sand pushing block is fixedly mounted on the bottom of the connecting rod, and the outer wall of the sand pushing block is movably connected to the inner wall of the filter installation box.

[0010] Preferably, the bottom of the sand pushing block is movably connected to the top of the filter screen.

[0011] Preferably, a sand pushing shovel is fixedly mounted on the lower end of the right side wall of the sand pushing block, and the bottom of the sand pushing shovel is movably connected to the top of the filter screen.

[0012] Preferably, a telescopic outer tube is movably mounted on the right side of the outer wall of the telescopic inner rod, and the right side wall surface of the telescopic outer tube is fixedly connected to the right side of the inner wall of the installation box.

[0013] Preferably, a return compression spring is movably mounted on the outer wall of the telescopic outer tube, and the right side wall surface of the return compression spring is fixedly connected to the right side of the inner wall of the installation box.

[0014] Preferably, the left wall surface of the return compression spring is fixedly connected to the right wall surface of the movable baffle.

[0015] Beneficial Effects

[0016] The utility model provides a feeding device for a sand mixer, which has the following beneficial effects:

[0017] (1) The feeding device of the sand mixer is provided with a coarse sand cleaning mechanism and an automatic reset mechanism. The coarse sand cleaning mechanism is used to move the coarse sand on the filter screen to the automatic reset mechanism. The coarse sand cleaning mechanism opens the automatic reset mechanism to allow the coarse sand to enter the second collecting bucket, so that the coarse sand accumulated on the filter screen can be automatically removed, thereby avoiding the coarse sand accumulating on the filter screen and affecting the normal filtration of the filter screen. There is no need to manually disassemble and clean the filter screen, thereby improving the feeding efficiency of the entire device.

[0018] (2) The feeding device of the sand mixer is provided with a telescopic inner rod and a telescopic outer tube. The telescopic inner rod and the telescopic outer tube can limit the movement of the movable baffle, thereby ensuring that the movable baffle can stably move back and forth in the filter installation box and the installation box, thereby improving the effect of the entire device on cleaning coarse sand.

[0019] (3) The feeding device of the sand mixer is provided with a contact rod, which can reserve a certain space for the coarse sand on the filter screen, thereby avoiding the problem that the coarse sand cleaning mechanism and the automatic reset mechanism cannot contact each other due to the coarse sand on the filter screen, thereby improving the use effect of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the front side of the utility model;

[0021] Figure 2 This is a schematic diagram of the front structure of the coarse sand cleaning mechanism of the utility model;

[0022] Figure 3 It is a front structural schematic diagram of the automatic reset mechanism of the utility model.

[0023] Legend: 10. Support rod; 11. First collecting bucket; 12. Filter installation box; 13. Fine sand discharge pipe; 14. Filter screen; 15. Coarse sand cleaning mechanism; 16. Installation box; 17. Second collecting bucket; 18. Coarse sand discharge pipe; 19. Automatic reset mechanism; 20. Servo motor; 21. Screw rod; 22. Moving block; 23. Connecting rod; 24. Sand pushing block; 25. Sand pushing shovel; 26. Movable baffle; 27. Contact rod; 28. Telescopic inner rod; 29. ​​Telescopic outer tube; 30. Reset compression spring. DETAILED DESCRIPTION

[0024] Embodiment 1: A feeding device for a sand mixer, such as Figure 1 As shown, it includes a support rod 10, a first collecting bucket 11 is fixedly installed on the top of the support rod 10, a filtering installation box 12 is fixedly installed on the top of the first collecting bucket 11, a fine sand discharge pipe 13 is fixedly installed on the bottom of the first collecting bucket 11, a filter screen 14 is fixedly installed on the lower end of the inner wall of the filtering installation box 12, a coarse sand cleaning mechanism 15 is arranged on the inner wall of the filtering installation box 12, an installation box 16 is fixedly installed on the lower right end of the inner wall of the filtering installation box 12, a second collecting bucket 17 is fixedly installed on the bottom of the installation box 16, and a coarse sand discharge pipe 18 is fixedly installed on the bottom of the second collecting bucket 17. The inner wall of the installation box 16 is provided with an automatic reset mechanism 19. By providing the coarse sand cleaning mechanism 15 and the automatic reset mechanism 19, the coarse sand cleaning mechanism 15 is used to move the coarse sand on the filter screen 14 to the automatic reset mechanism 19. The coarse sand cleaning mechanism 15 opens the automatic reset mechanism 19 to allow the coarse sand to enter the second collecting bucket 17, so that the coarse sand accumulated on the filter screen 14 can be automatically removed, thereby avoiding the coarse sand from accumulating on the filter screen 14 and affecting the normal filtration of the filter screen 14. There is no need to manually disassemble and clean the filter screen 14, thereby improving the feeding efficiency of the entire device.

[0025] Embodiment 2: Based on Embodiment 1, Figure 2As shown, the coarse sand cleaning mechanism 15 includes a servo motor 20, and the right side wall of the servo motor 20 is fixedly connected to the left side wall of the filter installation box 12, the output end of the servo motor 20 movably penetrates the left side of the inner wall of the filter installation box 12, the output end of the servo motor 20 is fixedly installed with a screw rod 21, and the right side wall of the screw rod 21 is movably connected to the right side of the inner wall of the filter installation box 12, the outer wall of the screw rod 21 is threadedly connected with a moving block 22, the bottom of the moving block 22 is fixedly installed with a connecting rod 23, the bottom of the connecting rod 23 is fixedly installed with a sand pushing block 24, and the sand pushing block 2 4 is movably connected to the inner wall of the filter installation box 12, the bottom of the sand pushing block 24 is movably connected to the top of the filter screen 14, a sand pushing shovel 25 is fixedly installed on the lower end of the right wall of the sand pushing block 24, and the bottom of the sand pushing shovel 25 is movably connected to the top of the filter screen 14, and a telescopic inner rod 28 and a telescopic outer tube 29 are provided, and the telescopic inner rod 28 and the telescopic outer tube 29 can limit the movement of the movable baffle 26, ensuring that the movable baffle 26 can stably move back and forth in the filter installation box 12 and the installation box 16, thereby improving the effect of the whole device on coarse sand cleaning.

[0026] Embodiment 3: Based on Embodiment 1 and Embodiment 2, Figure 3 As shown, the automatic reset mechanism 19 includes a movable baffle 26, and the outer wall of the movable baffle 26 is movably connected to the lower end of the right side of the inner wall of the support rod 10 and the inner wall of the installation box 16 respectively, a contact rod 27 is fixedly installed on the left wall of the movable baffle 26, a telescopic inner rod 28 is fixedly installed on the right wall of the movable baffle 26, a telescopic outer tube 29 is movably installed on the right side of the outer wall of the telescopic inner rod 28, and the right side wall of the telescopic outer tube 29 is fixedly connected to the right side of the inner wall of the installation box 16, a reset compression spring 30 is movably installed on the outer wall of the telescopic outer tube 29, and the right side wall of the reset compression spring 30 is fixedly connected to the right side of the inner wall of the installation box 16, and the left side wall of the reset compression spring 30 is fixedly connected to the right side wall of the movable baffle 26, by setting the contact rod 27, the contact rod 27 can reserve a certain space for the coarse sand on the filter screen 14, avoiding the problem that the coarse sand cleaning mechanism 15 and the automatic reset mechanism 19 cannot contact each other due to the coarse sand on the filter screen 14, thereby improving the use effect of the entire device.

[0027] The working principle of the utility model is as follows: by turning on the switch of the servo motor 20, the output end of the servo motor 20 drives the screw rod 21 to start rotating, the screw rod 21 drives the moving block 22 to move rightward, the moving block 22 drives the sand pushing block 24 to move rightward along the inner wall of the filter installation box 12 through the connecting rod 23, the sand pushing block 24 drives the sand pushing shovel 25 to move rightward to push the coarse sand on the filter screen 14 to the automatic reset mechanism 19, the sand pushing block 24 contacts the contact rod 27 and drives the movable baffle 26 to compress the reset compression spring 30 and move rightward along the inner wall of the installation box 16, the movable baffle 26 drives the telescopic inner rod 28 to move rightward along the inner wall of the telescopic outer tube 29, and the movable baffle 26 opens the lower end of the right side wall of the support rod 10 so that the coarse sand falls into the second collecting bucket 17 and is discharged through the coarse sand discharge pipe 18.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A feeding device for a sand mixer, comprising a support rod (10), characterized in that: A first collecting bucket (11) is fixedly mounted on the top of the support rod (10), a filter installation box (12) is fixedly mounted on the top of the first collecting bucket (11), a fine sand discharge pipe (13) is fixedly mounted on the bottom of the first collecting bucket (11), a filter screen (14) is fixedly mounted on the lower end of the inner wall of the filter installation box (12), a coarse sand cleaning mechanism (15) is provided on the inner wall of the filter installation box (12), a mounting box (16) is fixedly mounted on the lower right end of the inner wall of the filter installation box (12), a second collecting bucket (17) is fixedly mounted on the bottom of the mounting box (16), and the second collecting bucket (17) A coarse sand discharge pipe (18) is fixedly installed at the bottom, an automatic reset mechanism (19) is arranged on the inner wall of the installation box (16), the coarse sand cleaning mechanism (15) comprises a servo motor (20), and the right side wall of the servo motor (20) is fixedly connected to the left side wall of the filter installation box (12), the output end of the servo motor (20) movably penetrates the left side of the inner wall of the filter installation box (12), and the automatic reset mechanism (19) comprises a movable baffle (26), and the outer wall of the movable baffle (26) is movably connected to the lower right end of the inner wall of the filter installation box (12) and the inner wall of the installation box (16) respectively.

2. The sand mixer feeding device according to claim 1, characterized in that: A screw rod (21) is fixedly mounted on the output end of the servo motor (20), and the right side wall of the screw rod (21) is movably connected to the right side of the inner wall of the filter installation box (12). A moving block (22) is threadedly connected to the outer wall of the screw rod (21), and a connecting rod (23) is fixedly mounted on the bottom of the moving block (22).

3. The sand mixer feeding device according to claim 1, characterized in that: A contact rod (27) is fixedly mounted on the left wall surface of the movable baffle (26), and a telescopic inner rod (28) is fixedly mounted on the right wall surface of the movable baffle (26).

4. The sand mixer feeding device according to claim 2, characterized in that: A sand pushing block (24) is fixedly mounted on the bottom of the connecting rod (23), and the outer wall of the sand pushing block (24) is movably connected to the inner wall of the filter installation box (12).

5. The sand mixer feeding device according to claim 4, characterized in that: The bottom of the sand pushing block (24) is movably connected to the top of the filter screen (14).

6. The sand mixer feeding device according to claim 4, characterized in that: A sand pushing shovel (25) is fixedly mounted on the lower end of the right wall of the sand pushing block (24), and the bottom of the sand pushing shovel (25) is movably connected to the top of the filter screen (14).

7. The sand mixer feeding device according to claim 3, characterized in that: A telescopic outer tube (29) is movably mounted on the right side of the outer wall of the telescopic inner rod (28), and the right side wall surface of the telescopic outer tube (29) is fixedly connected to the right side of the inner wall of the installation box (16).

8. The sand mixer feeding device according to claim 7, characterized in that: A return compression spring (30) is movably mounted on the outer wall of the telescopic outer tube (29), and the right side wall surface of the return compression spring (30) is fixedly connected to the right side of the inner wall of the installation box (16).

9. The sand mixer feeding device according to claim 8, characterized in that: The left wall surface of the return compression spring (30) is fixedly connected to the right wall surface of the movable baffle (26).

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