CN214349414U

CN214349414U - Feeding device of sand mixer

Info

Publication number: CN214349414U
Application number: CN202023006021.4U
Authority: CN
Inventors: 崔小红; 艾和好; 刘国青; 陈德书; 艾和峰; 艾健; 艾保林
Original assignee: Wuhu Jintang Casting Co ltd
Current assignee: Wuhu Jintang Casting Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-10-08
Anticipated expiration: 2030-12-14

Abstract

The utility model provides a feeding device of a sand mixer, which comprises a sand mixer body, wherein two sides of the sand mixer body are provided with brackets, a support plate is fixed between the upper ends of the two brackets, the support plate is positioned right above the sand mixer body, a plurality of cuboid-shaped feeding boxes are equidistantly fixed at the upper end of the support plate along the length direction of the support plate, the bottoms of the two sides of the feeding boxes are provided with through holes, the bottom of the feeding box is provided with a blanking block which is penetrated through the through holes, the blanking block comprises a left rectangular block and a right rectangular block, the through holes with the same number are respectively arranged on the left rectangular block and the right rectangular block, the positions of the support plate at the two sides of the bottom of the feeding box are respectively provided with a left blanking hole and a right blanking hole, the upper end of one bracket is fixed with an air cylinder which is parallel to the length direction of the support plate, the feeding device realizes the constant proportion of each component when feeding by arranging a blocking cover in part of the through holes, and realizes the accurate configuration of each component, the quality of the molding sand after sand mixing can meet the casting requirement.

Description

Feeding device of sand mixer

Technical Field

The utility model relates to a roller mill technical field especially relates to a roller mill feeding device.

Background

Casting is a relatively early metal hot working process mastered by human beings, and has a history of about 6000 years, the casting is to melt solid metal into liquid state and pour the liquid state into a casting mold with a specified shape, the casting mold is waited for solidification and forming, raw sand, clay, water glass, resin and other auxiliary materials are used as materials of the casting mold, a sand mixer is used for uniformly mixing the materials for the casting mold, but when the raw materials are added, the proportion of each component cannot be accurately controlled by the existing sand mixer, so that the casting mold quality cannot meet the use requirement, and the subsequent casting and forming are influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a feeding device for a sand mixer to solve all or one of the above mentioned problems in the background art.

Based on the above purpose, the utility model provides a feeding device of a sand mixer, which comprises a sand mixer body, wherein two sides of the sand mixer body are provided with brackets, a support plate is fixed between the upper ends of the two brackets, the support plate is positioned right above the sand mixer body, a plurality of cuboid-shaped feeding boxes are equidistantly fixed at the upper end of the support plate along the length direction of the support plate, the bottoms of the two sides of the feeding boxes are provided with through holes, the bottom of the feeding box is provided with a blanking block which is penetrated through the through holes, the blanking block comprises a left rectangular block and a right rectangular block, the left rectangular block and the right rectangular block are rectangular blocks with the same cross section as the feeding box, the left rectangular block and the right rectangular block are provided with through holes with the same number, blocking covers which can be detachably connected are arranged in the through holes, and the positions of the support plate, which are positioned at the two sides of the bottom of the feeding box, are respectively provided with a left blanking hole and a right blanking hole, the left blanking hole and the right blanking hole are rectangular holes with the same cross section as the feeding box, one of the rectangular holes is fixed at the upper end of the support and is parallel to the length direction of the support plate, a piston rod of the air cylinder is fixedly connected with one of the blanking blocks, and a plurality of the blanking blocks are connected with a connecting rod.

Optionally, the through hole is a threaded hole, and the plug cover is in threaded connection with the through hole.

Optionally, the upper end face of the blocking cover is provided with a rotary lug.

Optionally, a stirring shaft is arranged between the upper ends of the two supports, the stirring shaft penetrates through the multiple feeding boxes, a plurality of blades are arranged on the shaft body inside the feeding boxes, the two ends of the stirring shaft are rotatably connected with the supports, a motor is fixed at the upper ends of the supports, and an output shaft of the motor is fixedly connected with one end of the stirring shaft.

As can be seen from the above, the feeding device realizes the constant proportion of each component during feeding by arranging the blocking covers in part of the through holes, realizes the accurate configuration of each component, and ensures that the quality of the molding sand after sand mixing meets the casting requirement.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the feeding device of the present invention;

fig. 2 is a schematic top view of the blanking block of the present invention;

fig. 3 is an internal schematic view of the blanking block of the present invention;

fig. 4 is a schematic side view of a part of the structure of the feeding device of the present invention.

Wherein 1, a sand mixer body; 2. a support; 3. a cylinder; 4. a motor; 5. a stirring shaft; 6. a blade; 7. a feeding box; 8. a blanking block; 81. a left rectangular block; 82. a right rectangular block; 9. perforating; 10. a left blanking hole; 11. a right blanking hole; 12. a connecting rod; 13. a support plate; 14. a through hole; 15. blocking the cover; 16. and (5) ear turning.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.

It should be noted that unless otherwise defined, technical or scientific terms used in the embodiments of the present invention should have the ordinary meaning as understood by those having ordinary skill in the art to which the present disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

The utility model provides a feeding device of a sand mixer, which comprises a sand mixer body 1, wherein two sides of the sand mixer body 1 are provided with brackets 2, a support plate 13 is fixed between the upper ends of the two brackets 2, the support plate 13 is positioned right above the sand mixer body 1, a plurality of cuboid-shaped feeding boxes 7 are equidistantly fixed on the upper end of the support plate 13 along the length direction, through holes 9 are arranged at the bottoms of the two sides of the feeding box 7, blanking blocks 8 penetrating the through holes 9 are arranged at the bottom of the feeding box 7, the blanking blocks 8 comprise a left rectangular block 81 and a right rectangular block 82, the left rectangular block 81 and the right rectangular block 82 are rectangular feeding blocks with the same cross section as the feeding box 7, through holes 14 with the same number are respectively arranged on the left rectangular block 81 and the right rectangular block 82, a blocking cover 15 which can be detachably connected is arranged in the through holes 14, a left blanking hole 10 and a right blanking hole 11 are respectively arranged at the positions of the support plate 13 positioned at the two sides of the bottom of the feeding box 7, the left blanking hole 10 and the right blanking hole 11 are rectangular holes with the same cross section as the feeding box 7, one of the rectangular holes is fixed with an air cylinder 3 parallel to the length direction of the support plate 13 at the upper end of the support 2, a piston rod of the air cylinder 3 is fixedly connected with one of the blanking blocks 8, and a plurality of connecting rods 12 are connected between the blanking blocks 8.

As shown in fig. 1-3, the device comprises a sand mixer body 1, the sand mixer body 1 is used for vibrating and stirring various added sand mold raw materials to uniformly mix various components, an opening is arranged above the sand mixer body 1 for pouring the raw materials, two sides of the sand mixer body 1 are provided with supports 2, the supports 2 are fixed on the ground, a support plate 13 is fixed between the upper ends of the two supports 2, the support plate 13 can be connected with the supports 2 in a bolt connection or welding mode, the support plate 13 is positioned above the opening of the sand mixer body 1, the upper end of the support plate 13 is equidistantly provided with a plurality of feeding boxes 7 along the length direction thereof, the feeding boxes 7 are cuboid, the tops of the feeding boxes 7 are uncovered and used for feeding the raw materials, the bottoms of two sides of the feeding boxes 7 are provided with through holes 9, a blanking block 8 is arranged in the through holes 9, and the blanking block 8 can slide left and right along the through holes 9, the perforation 9 is the same as the longitudinal section of the blanking block 8, the blanking block 8 comprises a left rectangular block 81 and a right rectangular block 82 which are symmetrically arranged, the left rectangular block 81 and the right rectangular block 82 are of an integral structure and are rectangular blocks which are the same as the cross section of the feeding box 7, a plurality of through holes 14 are respectively arranged on the left rectangular block 81 and the right rectangular block 82, a blocking cover 15 which is detachably connected is arranged in each through hole 14, for example, the blocking cover 15 can be embedded into each through hole 14 and is in interference fit with the through holes 14, a support plate 13 is arranged at two sides of the bottom of the feeding box 7 and is provided with a left blanking hole 10 and a right blanking hole 11, the left blanking hole 10 and the right blanking hole 11 are rectangular holes which are the same as the cross section of the feeding box 7 and are matched with the left blanking block 8 and the right blanking block 8, an air cylinder 3 is fixed at the upper end of one support 2, the air cylinder 3 is fixedly connected with one support 2 in a bolt connection mode, and the air cylinder 3 is fixedly connected with one blanking block 8, the blanking blocks 8 are connected with each other by connecting rods 12.

The use principle of the device is as follows: as shown in figure 1, a piston rod of an air cylinder 3 pushes a blanking block 8 to reciprocate along the length direction of a support plate 13, the piston rod of the air cylinder 3 extends out first to push the blanking block 8 to move to the left side integrally, so that a left rectangular block 81 moves to a position overlapped with a left blanking hole 10 completely, at the moment, a right rectangular block 82 moves to the inside of the feeding box 7, the raw material in the feeding box 7 falls into a through hole 14 of the right rectangular block 82, then the piston rod of the air cylinder 3 retracts to drive the blanking block 8 to move to the right integrally, so that the right rectangular block 82 moves to a right blanking hole 11 completely, the left rectangular block 81 moves to the inside of the feeding box 7, the raw material in a through hole 14 of the right rectangular block 82 passes through the right blanking hole 11 to fall into the sand mixer body 1, meanwhile, the raw material in the feeding box 7 falls into the through hole 14 of the left rectangular block 81, and after a certain time, the piston rod of the cylinder 3 stretches out again, so that the left rectangular block 81 moves to the upper part of the left blanking hole 10 and the raw material falls into the sand mixer body 1, the right rectangular block 82 returns to the feeding box 7 to start to be filled with the raw material, the raw material is filled while the raw material is being blanked, so that the waiting time is reduced, the feeding efficiency is improved, the blanking cover 15 is arranged in the through hole 14, the through hole 14 provided with the blanking cover 15 cannot be blanked, the through hole 14 not provided with the blanking cover 15 can be filled with the raw material firstly, then the raw material is poured into the sand mixer body 1, the total blanking amount is equal to the product of the number of the through holes 14 not provided with the blanking cover 15 and the raw material in the through hole 14, the structures of the blanking blocks 8 are completely the same, the number of the through holes 14 provided with the blanking covers 15 of the left rectangular block 81 and the right rectangular block 82 of the same blanking block 8 is the same, different raw materials are put into the feeding boxes 7, the configuration proportion of the raw materials can be determined by the number of the through holes 14 not provided with the blanking covers 15, by taking fig. 1 and 2 as an example, assuming that the number of the feeding boxes 7 is three, the raw materials a, B and C are respectively added, the number of the through holes 14 on the left rectangular block 81 and the right rectangular block 82 is nine, and assuming that the configuration ratio of the raw materials a, B and C is 1:2:5, eight through holes 14 on the left rectangular block 81 and the right rectangular block 82 of the blanking block 8 of the feeding box 7 filled with the raw materials a can be blocked by the blocking covers 15, that is, only one through hole 14 is reserved for blanking on the left rectangular block 81 and the right rectangular block 82, similarly, two and five through holes 14 are reserved for blanking on the left rectangular block 81 and the right rectangular block 82 on the other two blanking blocks 8, and the rest of the through holes 14 are closed by the blocking covers 15, so that the ratio of the three raw materials falling into the sand mixer body 1 each time is always 1:2:5, thereby ensuring the accuracy of raw material configuration, meanwhile, the blocking cover 15 is detachable, and a plurality of through holes 14 can be opened and closed according to actual requirements.

In conclusion, the feeding device realizes constant proportion of each component during feeding by arranging the blocking covers 15 in the partial through holes 14, realizes accurate configuration of each component, and ensures that the quality of the molding sand after sand mixing meets the casting requirement.

In some alternative embodiments, the through hole 14 is a threaded hole, and the plug cover 15 is in threaded connection with the through hole 14, so that the plug cover 15 can be conveniently disassembled and assembled.

In some alternative embodiments, the upper end surface of the cap 15 is provided with a rotation lug 16, and the rotation lug 16 is protrudingly arranged on the upper end surface of the cap 15 to further facilitate the rotation of the cap 15.

In some optional embodiments, a stirring shaft 5 is arranged between the upper ends of the two supports 2, the stirring shaft 5 is inserted into the plurality of feeding boxes 7, the stirring shaft 5 is provided with a plurality of blades 6 on a shaft body located inside the feeding boxes 7, two ends of the stirring shaft 5 are rotatably connected with the supports 2, a motor 4 is fixed at the upper end of each support 2, and an output shaft of the motor 4 is fixedly connected with one end of the stirring shaft 5.

As shown in fig. 1 and 4, during feeding, the motor 4 drives the stirring shaft 5 to rotate, and the blades 6 on the stirring shaft 5 stir the raw materials inside the feeding box 7, so that the raw materials can fall smoothly on one hand, and the through holes 14 are fully filled with the raw materials on the other hand, and the proportion precision of each raw material in blanking is improved.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

The present embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The feeding device of the sand mixer comprises a sand mixer body (1) and is characterized in that brackets (2) are arranged on two sides of the sand mixer body (1), a support plate (13) is fixed between the upper ends of the two brackets (2), the support plate (13) is positioned right above the sand mixer body (1), a plurality of cuboid-shaped feeding boxes (7) are fixed on the upper end of the support plate (13) along the length direction of the support plate at equal intervals, through holes (9) are formed in the bottoms of the two sides of each feeding box (7), blanking blocks (8) penetrating through the through holes (9) are arranged at the bottom of each feeding box (7), each blanking block (8) comprises a left rectangular block (81) and a right rectangular block (82), each of the left rectangular block (81) and the right rectangular block (82) is a rectangular block with the same cross section as that of the feeding box (7), and through holes (14) with the same number are formed in each of the left rectangular block (81) and the right rectangular block (82), be equipped with in through-hole (14) blanking cover (15) that can dismantle the connection, left blanking hole (10) and right blanking hole (11) have been seted up respectively to the position that extension board (13) are located reinforced box (7) bottom both sides, left side blanking hole (10) and right blanking hole (11) are the rectangular hole the same with reinforced box (7) cross section, one of them support (2) upper end is fixed with cylinder (3) that is on a parallel with extension board (13) length direction, the piston rod of cylinder (3) and one of them blanking piece (8) fixed connection, it is a plurality of be connected with connecting rod (12) between blanking piece (8).

2. The charging device of the sand mixer according to the claim 1, characterized in that the through hole (14) is a threaded hole, and the plug cover (15) is connected with the through hole (14) in a threaded way.

3. A sand mixer charging device according to claim 2, characterized in that the upper end face of the blanking cap (15) is provided with a swivel (16).

4. The feeding device of the sand mixer according to claim 1, characterized in that a stirring shaft (5) is arranged between the upper ends of the two supports (2), the stirring shaft (5) is arranged in the feeding boxes (7) in a penetrating manner, a plurality of blades (6) are arranged on the shaft body of the stirring shaft (5) in the feeding boxes (7), the two ends of the stirring shaft (5) are rotatably connected with the supports (2), the upper ends of the supports (2) are fixed with motors (4), and the output shafts of the motors (4) are fixedly connected with one ends of the stirring shaft (5).