CN218224525U - Sand mixer for casting machinery - Google Patents

Abstract

The utility model discloses a roller mill for casting machinery, the top of bottom plate is equipped with the agitator tank, the discharge gate has been seted up to the bottom of agitator tank, the support column is all installed in the bottom four corners of agitator tank, the connecting plate is installed to the top one end of bottom plate, the connecting plate is close to the one end lateral wall of agitator tank and installs the connection storehouse, be equipped with elevating system in the connection storehouse, the inside of motor case is equipped with and supporting rabbling mechanism. The utility model discloses install the setting of elevating system, rabbling mechanism and doctor-bar, elevator motor drives the inclined plane cylinder through first pivot and rotates, and the inclined plane cylinder is rotatory to be made rather than the carriage release lever oscilaltion of top contact, can carry out spacing and bradyseism to the carriage release lever through the spring, can make rotatory at the uniform velocity more and stable, goes up and down to rabbling mechanism through crossing elevating system, can carry out reciprocal upper and lower stirring to the grit when the stirring, compares the stirring of immobilization.

Description

A sand mixer for foundry machinery

technical field

The utility model relates to the technical field of sand mixers, in particular to a sand mixer used for foundry machinery.

Background technique

The sand mixer is a device that uniformly mixes the components in the molding sand and effectively coats the binder on the surface of the sand grains. The sand mixer is the main equipment for casting sand processing and mixing of molding sand, and it is also the key equipment for obtaining qualified molding sand. The sand mixer uses the relative movement of the grinding wheel and the grinding plate to crush the materials placed between them by rolling and grinding. The sand mixer also mixes the materials while crushing the materials. It is an ideal equipment for producing unburned bricks, lime-sand bricks, cement bricks, refractory bricks, crushed and mixed fly ash, boiler slag, tailings slag and industrial waste slag as raw materials for brick making.

The sand mixing machine of the existing foundry machinery mixes the sand and gravel, and the stirring blades are fixed, so it is impossible to mix the sand and gravel in the mixing box up and down in all directions, and the sand and gravel far away from the stirring blade cannot be fully mixed. Stirring, so that the stirring is not uniform enough, which affects the casting of the machine, and the inner wall of the mixing box of the current sand mixer will stick to the sand and gravel. If it is not cleaned for a long time, it will affect the use of the equipment after solidification.

Therefore, the utility model designs a sand mixer for foundry machinery to solve the problems in the prior art.

Utility model content

The purpose of this utility model is to provide a sand mixer for foundry machinery to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a sand mixer used for foundry machinery, a stirring box is provided above the bottom plate, a discharge port is opened at the bottom of the stirring box, and the stirring box The four corners of the bottom of the bottom are all equipped with support columns, the bottom of the support columns are all fixedly installed above the bottom plate, a connecting plate is installed on the upper end of the bottom plate, and a connecting warehouse is installed on the outer wall of the end of the connecting plate close to the mixing box. A lifting mechanism is provided in the connecting chamber, a load-bearing plate is installed above the lifting mechanism, and a motor box is installed below the load-bearing plate, and a matching stirring mechanism is provided inside the motor box.

Preferably, the lifting mechanism includes a lifting motor, the output end of the lifting motor is connected to a first rotating shaft, the first rotating shaft runs through the bottom inner wall of the connecting chamber, and the bottom of the first rotating shaft is installed with a rotating shaft above the bottom plate. The connected slope cylinder is provided with a moving rod in contact with it above the sloped cylinder, and the moving rod penetrates the inside of the connecting chamber.

Preferably, the outer wall of the moving rod is penetrated with a block and a spring, the block is fixedly installed on the top inner wall of the connecting compartment, the bottom of the block is connected with a spring, and the bottom of the spring is connected with a fixed block, The fixed block is fixedly installed on the outer wall of the moving rod.

Preferably, the stirring mechanism includes a stirring motor, the output end of the stirring motor is connected to a second rotating shaft, the second rotating shaft runs through the inside of the load-bearing plate, a driving gear is connected above the second rotating shaft, and the load-bearing The middle of the plate is rotatably connected with a driven gear that meshes with the driving gear, the bottom of the driven gear is connected with a stirring rod, the stirring rod penetrates the inside of the load-bearing plate, and the bottom of the stirring rod is connected with a stirring blade .

Preferably, scrapers are installed on the outer wall of the stirring rod.

Preferably, the outer wall of the scraper is provided with a rubber layer.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. The utility model sets the lifting mechanism, the stirring mechanism and the scraper. The lifting motor drives the inclined plane cylinder to rotate through the first rotating shaft. Position and cushioning, the stirring motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, the driven gear drives the mixing blade to stir the sand and gravel through the second rotating shaft, and the smaller driving gear drives the larger driven gear to rotate. It can make the rotation more uniform and stable, so that the stirring will be more uniform. The stirring mechanism can be lifted and lowered by the lifting mechanism, and the sand and gravel can be stirred up and down reciprocatingly during stirring. Compared with fixed stirring, the stirring is more efficient. Uniform and sufficient; the scraper installed on the outer wall of the second rotating shaft can scrape off the sticky sand and gravel on the inner wall of the mixing box while stirring, and the rubber layer set on the outer side of the scraper can reduce the damage of the scraper to the inner wall , improve service life.

Description of drawings

Fig. 1 is the front view sectional schematic diagram of the utility model;

Fig. 2 is a side sectional schematic diagram of the lifting mechanism of the present invention.

In the figure: 1. Bottom plate; 2. Support column; 3. Stirring box; 4. Discharge port; 5. Connecting plate; 6. Connecting warehouse; 7. Lifting mechanism; 8. Bearing plate; Stirring mechanism; 701, lifting motor; 702, first rotating shaft; 703, inclined cylinder; 704, moving rod; 705, block; 706, spring; 707, fixed block; 101, stirring motor; 102, second rotating shaft; 103 104, driven gear; 105, stirring rod; 106, stirring blade; 107, scraper.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-2, an embodiment provided by the utility model: a sand mixer for foundry machinery, a mixing box 3 is provided above the bottom plate 1, and a discharge port 4 is provided at the bottom of the mixing box 3, The four corners of the bottom of the mixing box 3 are all equipped with supporting columns 2, the bottom of the supporting columns 2 are all fixedly installed above the bottom plate 1, and the upper end of the bottom plate 1 is equipped with a connecting plate 5, and the connecting plate 5 is installed on the outer wall of one end close to the mixing box 3 There is a connecting warehouse 6, and the connecting warehouse 6 is equipped with a lifting mechanism 7. A load-bearing plate 8 is installed above the lifting mechanism 7, and a motor box 9 is installed below the load-bearing plate 8. The inside of the motor box 9 is equipped with a stirring mechanism matching with 3. 10. The lifting mechanism drives the mixing mechanism to move up and down, so as to mix the sand and gravel more evenly.

In this implementation: the lifting mechanism 7 includes a lifting motor 701, the output end of the lifting motor 701 is connected with a first rotating shaft 702, and the first rotating shaft 702 runs through the bottom inner wall of the connecting warehouse 6. The inclined-plane cylinder 703 connected by rotation at the top, the top of the inclined-plane cylinder 703 is provided with a moving rod 704 in contact with it, the moving rod 704 runs through the inside of the connecting warehouse 6, the lifting motor drives the inclined-plane cylinder to rotate, and the rotation of the inclined-plane cylinder drives the moving rod to rise at a uniform speed and down, so that the mixing is more even.

In this implementation: the outer wall of the moving rod 704 is penetrated with a clamping block 705 and a spring 706, the clamping block 705 is fixedly installed on the top inner wall of the connecting chamber 6, the bottom of the clamping block 705 is connected with a spring 706, and the bottom of the spring 706 is connected with a fixed Block 707, fixed block 707 is fixedly installed on the outer sidewall of moving bar 704, and spring can carry out spacing and cushioning to the moving bar in lifting, avoids moving bar when rising, disengages from the inside of the connection storehouse.

In this implementation: the stirring mechanism 10 includes a stirring motor 101, the output end of the stirring motor 101 is connected with a second rotating shaft 102, the second rotating shaft 102 runs through the inside of the bearing plate 8, and the top of the second rotating shaft 102 is connected with a driving gear 103, bearing The middle of the plate 8 is rotatably connected with a driven gear 104 meshed with the driving gear 103, the bottom of the driven gear 104 is connected with a stirring rod 105, the stirring rod 105 runs through the inside of the bearing plate 8, and the bottom of the stirring rod 105 is connected with Stirring blade 106, the stirring rod is arranged directly above the mixing box, the driving gear is driven by the stirring motor to rotate, and the driving gear drives the driven gear to rotate, so that the rotation is more uniform and stable, and the sand and gravel can be stirred more effectively when stirring. uniform.

In this implementation: the outer wall of the stirring rod 105 is equipped with a scraper 107, which can scrape off the sand and gravel on the inner wall of the mixing box while stirring, so as to avoid the effect of solidification on the stirring efficiency.

In this implementation: the outer wall of the scraper blade 107 is provided with a rubber layer, and the rubber layer protects the inner wall of the stirring tank and prolongs the life of the stirring tank.

Working principle: after pouring the raw materials into the mixing box 3, start the stirring motor 101 to drive the driving gear 103 to rotate, and the driving gear 103 drives the driven gear 104 to rotate, so that the stirring rod 105 rotates, and the stirring blade 106 on the stirring rod 105 Stir, and the scraper 107 cleans the inner wall of the mixing box 3. The lifting motor 701 drives the inclined plane cylinder 703 to rotate, and the top of the inclined plane cylinder 703 contacts with the bottom of the moving rod 704. Driving the load bearing plate 8 up and down, the content that is not described in detail in this specification belongs to the prior art known to those skilled in the art.

Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art can modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the utility model, any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the utility model.

Claims (6)

1. A sand mixer for foundry machinery, comprising: a base plate (1), characterized in that: a mixing box (3) is provided above the base plate (1), and a mixing box (3) is provided at the bottom of the mixing box (3) There is a discharge port (4), the four corners of the bottom of the mixing box (3) are equipped with support columns (2), the bottom of the support columns (2) are all fixedly installed above the bottom plate (1), the bottom plate The upper end of (1) is equipped with a connecting plate (5), and the outer wall of one end of the connecting plate (5) close to the mixing box (3) is equipped with a connecting warehouse (6). The connecting warehouse (6) is equipped with a lifting mechanism (7), a bearing plate (8) is installed above the lifting mechanism (7), a motor box (9) is installed below the load bearing plate (8), and the inside of the motor box (9) is provided with A stirring mechanism (10) matched with the stirring box (3). 2. A sand mixer for foundry machinery according to claim 1, characterized in that: the lifting mechanism (7) includes a lifting motor (701), and the output end of the lifting motor (701) is connected with The first rotating shaft (702), the first rotating shaft (702) runs through the bottom inner wall of the connecting chamber (6), and the bottom of the first rotating shaft (702) is equipped with an inclined plane cylinder ( 703), a moving rod (704) in contact with the inclined plane cylinder (703) is provided above the inclined plane cylinder (703), and the moving rod (704) penetrates the inside of the connecting chamber (6). 3. A sand mixer for foundry machinery according to claim 2, characterized in that: a block (705) and a spring (706) pass through the outer wall of the moving rod (704), and the block (706) The block (705) is fixedly mounted on the top inner wall of the connecting bin (6), the bottom of the block (705) is connected with a spring (706), and the bottom of the spring (706) is connected with a fixed block (707). The fixed block (707) is fixedly installed on the outer side wall of the moving rod (704). 4. A sand mixer for foundry machinery according to claim 1, characterized in that: the stirring mechanism (10) includes a stirring motor (101), and the output end of the stirring motor (101) is connected with The second rotating shaft (102), the second rotating shaft (102) runs through the inside of the bearing plate (8), the top of the second rotating shaft (102) is connected with a driving gear (103), the bearing plate (8) A driven gear (104) meshed with the driving gear (103) is rotatably connected in the middle, and a stirring rod (105) is connected to the bottom of the driven gear (104), and the stirring rod (105) runs through the bearing plate (8), a stirring blade (106) is connected to the bottom of the stirring rod (105). 5. A sand mixer for foundry machinery according to claim 4, characterized in that: a scraper (107) is installed on the outer wall of the stirring rod (105). 6. A sand mixer for foundry machinery according to claim 5, characterized in that: the outer wall of the scraper (107) is provided with a rubber layer.

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