Rotary sand adding device of molding machine

Abstract

The utility model relates to the technical field of molding machines, and discloses a rotary sand adding device of a molding machine, which comprises a molding machine body, a sand shooting box is fixedly mounted on one side of the top surface of the molding machine body, an output pipe is arranged on the bottom surface of the sand shooting box in a penetrating manner, and a sand shooting mechanism is fixedly mounted on the surface of the sand shooting box; and a telescopic mechanism is fixedly mounted on the bottom surface of the output pipe. According to the rotary sand adding device of the molding machine, the rotary mechanism is arranged, an external power source is communicated, a multi-stage air cylinder drives a multi-section telescopic pipe to stretch out and draw back, a sand adding pipe is moved to the sand adding position of the molding machine body, a sand shooting mechanism shoots sand in a sand shooting box into the rotary pipe, a servo motor drives a gear A to rotate, and then a gear B is driven to rotate; and the hydraulic cylinder drives the sand adding pipe to stretch out and draw back in the rotating pipe, the rotating radius is adjusted, the effect of rotating sand adding is achieved, sand distribution is more uniform, and modeling is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of molding machines, in particular to a rotary sand adding device for a molding machine. Background Art

[0002] A molding machine is a foundry device used to create sand molds. Its main functions are: filling the sand flask with loose sand; and compacting the sand flask through various methods, such as vibration, compaction, shock compression, and shot compression, to ensure the necessary strength for handling and pouring. During the molding machine's operation, sand must be added to the mold.

[0003] The molding machine sand adding device disclosed in the announcement number CN218050211U, although the molding machine sand adding device, quantitative sand is added through a quantitative hopper; at the same time, the capacity of the quantitative hopper can be adjusted, which solves the problems of difficult control of sand material feeding amount and unadjustable single feeding amount.

[0004] However, the sand adding device of the molding machine has the following disadvantages: it is not convenient to add sand material evenly into the mold, the sand material is prone to uneven distribution, which affects subsequent molding. In addition, it is not convenient to improve the efficiency of personnel adding sand material into the hopper. Utility Model Content

[0005] The technical problem solved by the utility model is to provide a rotary sand adding device for a molding machine, which solves the problems raised in the above background technology that it is inconvenient to add sand into the mold evenly and it is inconvenient to improve the efficiency of personnel in adding sand into the hopper.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a rotating sand-feeding device for a molding machine, comprising a molding body, a sand-shooting box is fixedly installed on one side of the top surface of the molding body, an output pipe is provided on the bottom surface of the sand-shooting box, and a sand-shooting mechanism is fixedly installed on the surface of the sand-shooting box; a telescopic mechanism is fixedly installed on the bottom surface of the output pipe, one end of the telescopic mechanism is fixedly connected to a multi-section telescopic tube, and a rotating mechanism is fixedly installed on one side of the multi-section telescopic tube; a rotating tube is fixedly installed on one side inside the rotating mechanism, an adjusting mechanism is fixedly installed on one side of the top surface of the rotating tube, and a sand-feeding tube is fixedly installed on one end of the adjusting mechanism; an upper sand tube is fixedly installed on the surface of the sand-shooting box, and a sand-feeding mechanism is fixedly installed on the bottom of the upper sand tube.

[0007] As a further solution of the present invention, the sand-shooting mechanism includes a high-pressure air pump and a sand-shooting tube. The high-pressure air pump is fixedly installed on the surface of the sand-shooting box. One end of the sand-shooting tube is connected to the output end of the high-pressure air pump, and the other end of the sand-shooting tube is connected to the inside of the output pipe. The high-pressure air pump transports high-pressure gas through the sand-shooting tube.

[0008] As a further solution of the present invention, the telescopic mechanism includes a multi-stage cylinder and a connecting block. The multi-stage cylinder is fixedly installed on the bottom surface of the output pipe, and the connecting block is fixedly arranged at the output end of the multi-stage cylinder. One end of the multi-section telescopic tube is fixedly connected to the output pipe, and the telescopic mechanism drives the sand adding pipe to move.

[0009] As a further solution of the present invention, the rotating mechanism includes a servo motor, gear A and gear B. The servo motor is fixedly installed on one side of the multi-section telescopic tube, the gear A is fixedly arranged at the output end of the servo motor, one side of the gear B is engaged with the gear A, and the rotating tube is rotatably connected to the bottom of the multi-section telescopic tube, and the rotating tube is used for rotating and adding sand.

[0010] As a further solution of the present invention, the adjustment mechanism includes a hydraulic cylinder and a fixed block. The hydraulic cylinder is fixedly installed on the top surface of the rotating tube, and the fixed block is fixedly arranged at the output end of the hydraulic cylinder. One end of the sand adding tube is slidably arranged inside the rotating tube, and the sliding of the sand adding tube is used to adjust the rotation radius.

[0011] As a further solution of the present invention, the sand feeding mechanism includes a driving motor and a sand feeding auger. The driving motor is fixedly installed at the bottom of the sand feeding pipe. The bottom of the sand feeding auger is fixedly connected to the output end of the driving motor. The driving motor is used to drive the sand feeding auger to rotate.

[0012] As a further solution of the present invention, a sand inlet pipe is provided through the bottom of the upper sand pipe surface, and a sand hopper is fixedly provided on the top of the sand inlet pipe, and the sand hopper is used for putting sand materials.

[0013] As a further solution of the present invention, a box cover is movably provided on the top surface of the sand shooting box, and two groups of fixing rods are fixedly provided on the surface of the upper sand tube. One end of the fixing rod is fixedly connected to the molding body, and the fixing rod is used to fix the upper sand tube.

[0014] The utility model provides a rotary sand adding device for a molding machine, which has the following beneficial effects:

[0015] 1. The rotary sand-feeding device of the molding machine is connected to the external power supply through the setting of the rotating mechanism. The multi-stage cylinder drives the multi-section telescopic tube to extend and retract, and moves the sand-feeding tube to the sand-feeding position of the molding body. The sand-shooting mechanism shoots the sand in the sand-shooting box into the rotating tube. The servo motor drives the A gear to rotate, and then drives the B gear to rotate, so that the rotating tube drives the sand-feeding tube to rotate with it. The hydraulic cylinder drives the sand-feeding tube to extend and retract inside the rotating tube, and adjusts the rotation radius, thereby achieving the effect of rotary sand-feeding, making the sand material distribution more even and convenient for molding.

[0016] 2. The rotating sand adding device of the molding machine puts the sand into the sand hopper through the setting of the sand feeding mechanism. The driving motor drives the sand feeding auger to rotate and automatically transports the sand into the sand shooting box, which makes it convenient for personnel to add sand and improves the sand adding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 This is an enlarged structural diagram of point A of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the sand feeding mechanism of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the sand-shooting mechanism of the utility model.

[0021] In the figure: 1. molding body; 2. sand-shooting box; 3. output pipe; 4. sand-shooting mechanism; 401. high-pressure air pump; 402. sand-shooting tube; 5. telescopic mechanism; 501. multi-stage cylinder; 502. connecting block; 6. multi-section telescopic tube; 7. rotating mechanism; 701. servo motor; 702. gear A; 703. gear B; 8. rotating tube; 9. adjusting mechanism; 901. hydraulic cylinder; 902. fixing block; 10. sand-feeding tube; 11. sand-loading tube; 12. sand-loading mechanism; 1201. driving motor; 1202. sand-loading auger; 13. sand bucket; 14. fixing rod. DETAILED DESCRIPTION

[0022] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] See also Figures 1 to 4The utility model provides a technical solution: a rotary sand feeding device for a molding machine, comprising a molding body 1, a sand shooting box 2 is fixedly installed on one side of the top surface of the molding body 1, an output pipe 3 is provided on the bottom surface of the sand shooting box 2, and a sand shooting mechanism 4 is fixedly installed on the surface of the sand shooting box 2; a telescopic mechanism 5 is fixedly installed on the bottom surface of the output pipe 3, one end of the telescopic mechanism 5 is fixedly connected to a multi-section telescopic tube 6, and a rotating mechanism 7 is fixedly installed on one side of the multi-section telescopic tube 6; through the setting of the rotating mechanism 7, an external power supply is connected, and the multi-stage cylinder 501 drives the multi-section telescopic tube 6 to extend and retract, and the sand feeding tube 10 is moved to the sand feeding position of the molding body 1; the sand shooting mechanism 4 shoots the sand in the sand shooting box 2 into the rotating tube 8, and the servo motor 701 drives the A gear 702 to rotate, and then drives the B gear 703 to rotate, so that the rotating tube 8 drives the sand feeding tube 10 to rotate accordingly, and the hydraulic cylinder 901 drives the sand feeding tube 10 to extend and retract inside the rotating tube 8 to adjust the rotation radius, thereby achieving the effect of rotary sand feeding, making the sand material distribution more uniform, and facilitating molding;

[0024] A rotating tube 8 is fixedly installed on one side of the interior of the rotating mechanism 7, an adjusting mechanism 9 is fixedly installed on one side of the top surface of the rotating tube 8, and a sand adding tube 10 is fixedly provided at one end of the adjusting mechanism 9; a sand loading tube 11 is fixedly provided on the surface of the sand shooting box 2, and a sand loading mechanism 12 is fixedly installed on the bottom of the sand loading tube 11. Through the setting of the sand loading mechanism 12, the sand material is put into the sand hopper 13, and the driving motor 1201 drives the sand loading auger 1202 to rotate, and the sand material is automatically transported into the sand shooting box 2, which achieves the effect of making it convenient for personnel to add sand material and improves the sand adding efficiency.

[0025] The sand blasting mechanism 4 includes a high-pressure air pump 401 and a sand blasting tube 402. The high-pressure air pump 401 is fixedly installed on the surface of the sand blasting box 2. One end of the sand blasting tube 402 is connected to the output end of the high-pressure air pump 401, and the other end of the sand blasting tube 402 is connected to the inside of the output pipe 3.

[0026] Through the setting of the sand-shooting mechanism 4, the high-pressure air pump 401 is turned on, and the high-pressure air is injected into the output pipe 3 through the sand-shooting pipe 402 to perform sand-shooting.

[0027] The telescopic mechanism 5 includes a multi-stage cylinder 501 and a connecting block 502. The multi-stage cylinder 501 is fixedly installed on the bottom surface of the output pipe 3, and the connecting block 502 is fixedly set at the output end of the multi-stage cylinder 501. One end of the multi-section telescopic tube 6 is fixedly connected to the output pipe 3.

[0028] Through the setting of the telescopic mechanism 5, the multi-stage cylinder 501 drives the multi-section telescopic tube 6 to extend and retract, and the sand adding tube 10 is moved to the sand adding position of the molding body 1. After the sand shooting is completed, the sand adding tube 10 is reset to avoid affecting the use of the molding body 1.

[0029] The rotating mechanism 7 includes a servo motor 701, an A gear 702 and a B gear 703. The servo motor 701 is fixedly installed on one side of the multi-section telescopic tube 6. The A gear 702 is fixedly set at the output end of the servo motor 701. One side of the B gear 703 is engaged with the A gear 702. The rotating tube 8 is rotatably connected to the bottom of the multi-section telescopic tube 6.

[0030] Through the setting of the rotating mechanism 7, the servo motor 701 drives the A gear 702 to rotate, and then drives the B gear 703 to rotate, so that the rotating tube 8 drives the sand adding tube 10 to rotate accordingly, and performs rotary sand adding, so that the sand material is distributed more evenly, which is convenient for shaping.

[0031] The adjustment mechanism 9 includes a hydraulic cylinder 901 and a fixed block 902 . The hydraulic cylinder 901 is fixedly mounted on the top surface of the rotating tube 8 . The fixed block 902 is fixedly arranged at the output end of the hydraulic cylinder 901 . One end of the sand adding tube 10 is slidably arranged inside the rotating tube 8 .

[0032] By setting the adjustment mechanism 9, the hydraulic cylinder 901 drives the sand adding pipe 10 to expand and contract inside the rotating pipe 8 to adjust the rotation radius.

[0033] The sand feeding mechanism 12 includes a drive motor 1201 and a sand feeding auger 1202 . The drive motor 1201 is fixedly mounted on the bottom of the sand feeding pipe 11 , and the bottom of the sand feeding auger 1202 is fixedly connected to the output end of the drive motor 1201 .

[0034] The arrangement of the sand feeding mechanism 12 can automatically convey the sand material into the sand shooting box 2 .

[0035] A sand inlet pipe is provided through the bottom of the upper sand pipe 11 , and a sand hopper 13 is fixedly provided on the top of the sand inlet pipe.

[0036] The setting of the sand hopper 13 plays the role of throwing sand materials.

[0037] The top surface of the sand shooting box 2 is movably provided with a box cover, and the surface of the upper sand pipe 11 is fixedly provided with two groups of fixing rods 14, one end of the fixing rod 14 is fixedly connected to the molding machine body 1.

[0038] The fixing rod 14 is provided to fix the upper sand pipe 11 .

[0039] In the present invention, the working steps of the device are as follows:

[0040] The first step is to put the sand into the sand hopper 13, and the driving motor 1201 drives the sand auger 1202 to rotate, and the sand is automatically transported to the sand shooting box 2, so that the personnel can add sand.

[0041] Step 2: Connect the external power supply, the multi-stage cylinder 501 drives the multi-section telescopic tube 6 to extend and retract, move the sand adding tube 10 to the sand adding position of the molding body 1, turn on the high-pressure air pump 401, and inject high-pressure air into the output tube 3 through the sand injection tube 402 to inject sand;

[0042] Step 3: The servo motor 701 drives the A gear 702 to rotate, and then drives the B gear 703 to rotate, so that the rotating tube 8 drives the sand adding tube 10 to rotate accordingly. The hydraulic cylinder 901 drives the sand adding tube 10 to extend and retract inside the rotating tube 8 to adjust the rotation radius. The rotating sand adding makes the sand material more evenly distributed, which is convenient for shaping.

[0043] It should be noted that the device structure and drawings of the present invention mainly describe the principle of the present invention. In terms of the technology of the design principle, the settings of the device's power mechanism, power supply system, and control system are not fully described. However, those skilled in the art can clearly understand the details of its power mechanism, power supply system, and control system on the premise that they understand the principle of the above-mentioned utility model. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be implemented by simple programming by those skilled in the art.

[0044] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotary sand adding device for a molding machine, comprising a molding machine body (1), characterized in that: A sand shooting box (2) is fixedly mounted on one side of the top surface of the molding machine body (1), an output pipe (3) is provided through the bottom surface of the sand shooting box (2), and a sand shooting mechanism (4) is fixedly mounted on the surface of the sand shooting box (2); A telescopic mechanism (5) is fixedly mounted on the bottom surface of the output pipe (3); one end of the telescopic mechanism (5) is fixedly connected to a multi-section telescopic tube (6); a rotating mechanism (7) is fixedly mounted on one side of the multi-section telescopic tube (6); a rotating tube (8) is fixedly mounted on one side of the interior of the rotating mechanism (7); an adjusting mechanism (9) is fixedly mounted on one side of the top surface of the rotating tube (8); and a sand adding tube (10) is fixedly mounted on one end of the adjusting mechanism (9); A sand loading tube (11) is fixedly provided on the surface of the sand shooting box (2), and a sand loading mechanism (12) is fixedly installed on the bottom of the sand loading tube (11).

2. A rotary sand adding device for a molding machine according to claim 1, characterized in that: The sand-shooting mechanism (4) comprises a high-pressure air pump (401) and a sand-shooting tube (402), wherein the high-pressure air pump (401) is fixedly mounted on the surface of the sand-shooting box (2), one end of the sand-shooting tube (402) is connected to the output end of the high-pressure air pump (401), and the other end of the sand-shooting tube (402) is connected to the interior of the output pipe (3).

3. The rotary sand adding device for a molding machine according to claim 1, characterized in that: The telescopic mechanism (5) comprises a multi-stage cylinder (501) and a connecting block (502); the multi-stage cylinder (501) is fixedly mounted on the bottom surface of the output pipe (3); the connecting block (502) is fixedly arranged at the output end of the multi-stage cylinder (501); and one end of the multi-section telescopic pipe (6) is fixedly connected to the output pipe (3).

4. The rotary sand adding device for a molding machine according to claim 1, characterized in that: The rotating mechanism (7) comprises a servo motor (701), an A gear (702) and a B gear (703); the servo motor (701) is fixedly mounted on one side of the multi-section telescopic tube (6); the A gear (702) is fixedly arranged at the output end of the servo motor (701); one side of the B gear (703) is meshed with the A gear (702); and the rotating tube (8) is rotatably connected to the bottom of the multi-section telescopic tube (6).

5. The rotary sand adding device for a molding machine according to claim 1, characterized in that: The regulating mechanism (9) comprises a hydraulic cylinder (901) and a fixed block (902); the hydraulic cylinder (901) is fixedly mounted on the top surface of the rotating tube (8); the fixed block (902) is fixedly arranged at the output end of the hydraulic cylinder (901); and one end of the sand adding tube (10) is slidably arranged inside the rotating tube (8).

6. The rotary sand adding device for a molding machine according to claim 1, characterized in that: The sand feeding mechanism (12) comprises a driving motor (1201) and a sand feeding auger (1202); the driving motor (1201) is fixedly mounted on the bottom of the sand feeding pipe (11); and the bottom of the sand feeding auger (1202) is fixedly connected to the output end of the driving motor (1201).

7. The rotary sand adding device for a molding machine according to claim 1, characterized in that: A sand inlet pipe is provided through the bottom of the surface of the upper sand pipe (11), and a sand hopper (13) is fixedly provided on the top of the sand inlet pipe.

8. The rotary sand adding device for a molding machine according to claim 1, characterized in that: The top surface of the sand shooting box (2) is movably provided with a box cover, and the surface of the upper sand tube (11) is fixedly provided with two groups of fixing rods (14), one end of the fixing rod (14) is fixedly connected to the molding machine body (1).

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