Sand mixing device for used sand treatment

Abstract

The utility model discloses a sand mixing device for old sand treatment, which comprises a sand mixing box, a pretreatment box is arranged above the sand mixing box, a connecting column is arranged between the pretreatment box and the sand mixing box, and a filter screen is arranged in the pretreatment box. According to the sand mixing device disclosed by the utility model, sand is put into the pretreatment box, the double-shaft motor between the pretreatment box and the sand mixing box is started, and the double-shaft motor drives the first rotating rod to rotate, so that the scattering blades on the first rotating rod rotate, and hardened materials in the pretreatment box can be crushed and scattered; the crushed and scattered materials fall onto a filter screen and are screened through the filter screen, the screened materials enter the sand mixing box through a discharging pipe, and the materials in the sand mixing box can be stirred in all directions through a first stirring blade, a second stirring blade and an auxiliary stirring blade on a second rotating rod and a scraping plate at one end of a connecting rod; the materials can be fully mixed in the sand mixing box, so that the mixing effect of the materials is conveniently improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to foundry equipment technical field especially relates to a sand mixing device for old sand treatment. BACKGROUND

[0002] Casting is a kind of metal hot working process mastered by human beings early, and has a history of about 6000 years. China entered the heyday of bronze casting between about 1700 BC and 1000 BC, and the technology has reached a very high level. Casting is a method of pouring liquid metal into a casting cavity adapted to the shape of the part, and after cooling and solidification, to obtain the part or blank. The casting material is usually a solid metal heated to a liquid state (for example: copper, iron, aluminum, tin, lead, etc.), and the casting mold material can be sand, metal or even ceramic. Different methods are used to meet different requirements. Type sand is needed in the casting process, and the type sand needs to be mixed before use.

[0003] The existing patent with publication number CN220760938U discloses a sand mixing device for casting. The existing technical solution in the above has the following defects. Although the above technical solution is provided with a power motor, a third gear, a first gear, a second gear, a second stirring shaft, a first stirring shaft, a first scraper and a second scraper, it has the advantages of uniform sand mixing and good mixing effect. However, in the above technical solution, the hardened sand cannot be dispersed and crushed, and the hardened sand entering the equipment can cause uneven mixing, thereby affecting the mixing effect. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a sand mixing device for old sand treatment, which has the advantages of dispersing and crushing the hardened sand, improving the mixing effect of the sand, and solving the problems in the above background technology.

[0006] (II) Technical solution

[0007] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of sand mixing device for old sand treatment, including sand mixing device, the top of sand mixing device is equipped with pretreatment tank, and connecting column is equipped between pretreatment tank and sand mixing device, the inside of pretreatment tank is equipped with filter screen, double-shaft motor is installed between pretreatment tank and sand mixing device, and the output end of double-shaft motor is fixedly connected with first rotary rod and penetrates pretreatment tank, the first rotary rod is equipped with scattering leaf above filter screen, the output end of double-shaft motor is equipped with second rotary rod and penetrates sand mixing device, and first stirring vane is equipped on second rotary rod, the lower side of first stirring vane is equipped with connecting rod, and the one end of connecting rod is equipped with scraper, the lower side of second stirring vane is equipped with second stirring vane on second rotary rod, and auxiliary stirring vane is equipped below second stirring vane, and pretreatment tank is connected with sand mixing device by discharging pipe.

[0008] Preferably, the bottom surface of the sand mixing device is provided with a discharge pipe in the middle position, and the side surface of the discharge pipe is provided with a baffle.

[0009] Preferably, the baffle is movably connected with the discharge pipe, and the side surface of the baffle is provided with a handle in the middle position.

[0010] Preferably, the bottom surface of the sand mixing device is provided with a discharge pipe in the middle position, and the side surface of the discharge pipe is provided with a baffle.

[0011] Preferably, the connecting column is provided with a plurality of connecting columns, and the plurality of connecting columns are evenly distributed between the pretreatment tank and the sand mixing device.

[0012] Preferably, the connecting column is provided with a plurality of connecting columns, and the plurality of connecting columns are evenly distributed between the pretreatment tank and the sand mixing device.

[0013] Preferably, the connecting column is provided with a plurality of connecting columns, and the plurality of connecting columns are evenly distributed between the pretreatment tank and the sand mixing device.

[0014] Preferably, the connecting column is provided with a plurality of connecting columns, and the plurality of connecting columns are evenly distributed between the pretreatment tank and the sand mixing device.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a sand mixing device for old sand treatment, which has the following beneficial effects:

[0017] (1), the sand is put into the pretreatment box, the double shaft motor between the pretreatment box and the sand mixing box is opened, the first rotating rod is driven to rotate by the double shaft motor, the beating leaf on the first rotating rod is rotated, the material in the pretreatment box is crushed and beaten, the material after crushing and beating falls on the filter screen, the material after screening enters the sand mixing box through the discharge pipe, the first stirring blade, the second stirring blade, the auxiliary stirring blade and the scraper at one end of the connecting rod are used, the material in the sand mixing box can be stirred in all directions, so that the mixing effect of the material can be improved.

[0018] (2), the connecting rod, the scraper and the auxiliary stirring blade are arranged, the material adhered to the inner wall of the sand mixing box can be scraped off by the scraper at one end of the connecting rod, the material is prevented from remaining on the inner wall of the sand mixing box, so that the inner wall of the sand mixing box is cleaned, the auxiliary stirring blade is used, the material at the bottom of the sand mixing box can be scraped off, the material is prevented from adhering to the upper surface of the bottom end of the sand mixing box, the cleaning effect of the sand mixing box is improved, and the subsequent normal use is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Fig. 1 is a structure diagram of a sand mixing device for old sand treatment provided by the present application;

[0021] Fig. 2 is a front view of a sand mixing device for old sand treatment provided by the present application;

[0022] Fig. 3 is a structure diagram of a pretreatment box of a sand mixing device for old sand treatment provided by the present application.

[0023] LEGEND:

[0024] 1, sand mixing box; 2, pretreatment box; 3, beating leaf; 4, double shaft motor; 5, first rotating rod; 6, filter screen; 7, connecting column; 8, discharge pipe; 9, second rotating rod; 10, first stirring blade; 11, connecting rod; 12, second stirring blade; 13, discharge pipe; 14, baffle; 15, scraper; 16, auxiliary stirring blade; 17, supporting leg. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope of protection of the present application.

[0026] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0027] Please refer to Figs. 1-3A sand mixing device for processing old sand comprises a sand mixing box 1, a pretreatment box 2 is provided above the sand mixing box 1, and a connecting column 7 is provided between the pretreatment box 2 and the sand mixing box 1, a filter screen 6 is provided inside the pretreatment box 2, a double-shaft motor 4 is installed between the pretreatment box 2 and the sand mixing box 1, and the output end of the double-shaft motor 4 passes through the pretreatment box 2 and is fixedly connected to a first rotating rod 5, a beating blade 3 is provided on the first rotating rod 5 above the filter screen 6, the output end of the double-shaft motor 4 passes through the sand mixing box 1 and is provided with a second rotating rod 9, and a first stirring blade 10 is provided on the second rotating rod 9, a connecting rod 11 is provided below the first stirring blade 10, and a scraper 15 is provided at one end of the connecting rod 11, a second stirring blade 12 is provided on the second rotating rod 9 below the connecting rod 11, and an auxiliary stirring blade 16 is provided below the second stirring blade 12, the pretreatment box 2 and the sand mixing box 1 are provided with a plurality of auxiliary stirring blades. The processing box 2 is connected to the sand mixing box 1 through a discharge pipe 8, wherein the sand material is put into the pre-processing box 2, and the dual-axis motor 4 between the pre-processing box 2 and the sand mixing box 1 is turned on. The dual-axis motor 4 drives the first rotating rod 5 to rotate, so that the breaking up blades 3 on the first rotating rod 5 rotate, and the compacted material in the pre-processing box 2 can be crushed and broken up. The crushed and broken up material falls onto the filter screen 6 and is screened by the filter screen 6. The screened material enters the sand mixing box 1 through the discharge pipe 8. By using the first stirring blade 10, the second stirring blade 12, the auxiliary stirring blade 16 on the second rotating rod 9 and the scraper 15 at one end of the connecting rod 11, the material in the sand mixing box 1 can be stirred in all directions, so that it can be fully mixed in the sand mixing box 1, thereby improving the mixing effect of the material.

[0028] In one embodiment, a discharge pipe 13 is provided at the middle position of the bottom surface of the sand mixing box 1, and a baffle 14 is provided on one side surface of the discharge pipe 13. By pulling out the baffle 14 on the discharge pipe 13, the mixed material can be discharged.

[0029] In one embodiment, the baffle 14 is movably connected to the discharge pipe 13 , and a handle is provided at the middle position of one side surface of the baffle 14 , wherein the handle facilitates the removal of the baffle 14 from the discharge pipe 13 .

[0030] In one embodiment, legs 17 are provided on both sides of the bottom surface of the sand mixing box 1. There are a plurality of legs 17, and the legs 17 are evenly distributed in pairs on both sides of the bottom surface of the sand mixing box 1. The legs 17 support the sand mixing box 1, which is beneficial to improving the stability of the sand mixing box 1.

[0031] In one embodiment, a plurality of connecting columns 7 are provided, and the plurality of connecting columns 7 are evenly distributed between the pretreatment box 2 and the sand mixing box 1 , wherein the pretreatment box 2 is supported by the connecting columns 7 , which is beneficial to improving the stability of the pretreatment box 2 .

[0032] In one embodiment, the support leg 17 is fixedly welded with the sand mixing box 1, which can improve the firmness of the support leg 17 on the sand mixing box 1.

[0033] In one embodiment, the connecting column 7 is fixedly welded with the pretreatment box 2 and the sand mixing box 1 respectively, which can improve the firmness of the connecting column 7 between the pretreatment box 2 and the sand mixing box 1.

[0034] In one embodiment, the scraper 15 and the auxiliary stirring blade 16 are matched with the sand mixing box 1, wherein the use of the scraper 15 at one end of the connecting rod 11 can scrape off the material adhered to the inner wall of the sand mixing box 1, preventing the material from remaining on the inner wall of the sand mixing box 1, thereby facilitating the cleaning of the inner wall of the sand mixing box 1, and wherein the use of the auxiliary stirring blade 16 can also scrape off the material at the bottom of the sand mixing box 1, preventing the material from adhering to the upper surface of the bottom end of the sand mixing box 1, thereby improving the cleaning effect of the sand mixing box 1.

[0035] In one embodiment, the control panel control circuit can be realized through simple programming by those skilled in the art, which belongs to the common knowledge in the art, and only the use is not transformed, so the control mode and circuit connection are not described in detail.

[0036] Working principle:

[0037] In use, the sand material is placed into the pretreatment box 2, the double-shaft motor 4 between the pretreatment box 2 and the sand mixing box 1 is turned on, the double-shaft motor 4 drives the first rotating rod 5 to rotate, the breaking blade 3 on the first rotating rod 5 rotates, the material in the pretreatment box 2 is broken and scattered, the broken and scattered material falls onto the filter screen 6, the material after screening enters the sand mixing box 1 through the discharge pipe 8, and the use of the first stirring blade 10, the second stirring blade 12, the auxiliary stirring blade 16 and the scraper 15 at one end of the connecting rod 11 can fully stir the material in the sand mixing box 1, so that the material can be fully mixed in the sand mixing box 1, thereby improving the mixing effect of the material, wherein the use of the scraper 15 at one end of the connecting rod 11 can scrape off the material adhered to the inner wall of the sand mixing box 1, preventing the material from remaining on the inner wall of the sand mixing box 1, thereby facilitating the cleaning of the inner wall of the sand mixing box 1, and wherein the use of the auxiliary stirring blade 16 can also scrape off the material at the bottom of the sand mixing box 1, preventing the material from adhering to the upper surface of the bottom end of the sand mixing box 1, thereby improving the cleaning effect of the sand mixing box 1 and facilitating the subsequent normal use.

[0038] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A sand mixing device for processing waste sand, comprising a sand mixing box (1), characterized in that: A pretreatment box (2) is provided above the sand mixing box (1), and a connecting column (7) is provided between the pretreatment box (2) and the sand mixing box (1). A filter screen (6) is provided inside the pretreatment box (2). A double-shaft motor (4) is installed between the pretreatment box (2) and the sand mixing box (1), and the output end of the double-shaft motor (4) passes through the pretreatment box (2) and is fixedly connected to a first rotating rod (5). A scattering blade (3) is provided on the first rotating rod (5) above the filter screen (6). The double-shaft motor (4) The output end is provided with a second rotating rod (9) passing through the sand mixing box (1), and the second rotating rod (9) is provided with a first stirring blade (10), a connecting rod (11) is provided below the first stirring blade (10), and a scraper (15) is provided at one end of the connecting rod (11), a second stirring blade (12) is provided on the second rotating rod (9) below the connecting rod (11), and an auxiliary stirring blade (16) is provided below the second stirring blade (12), and the pretreatment box (2) is connected to the sand mixing box (1) through a discharge pipe (8).

2. A sand mixing device for waste sand processing according to claim 1, characterized in that: A discharge pipe (13) is provided at the middle position of the bottom surface of the sand mixing box (1), and a baffle (14) is provided on one side surface of the discharge pipe (13).

3. A sand mixing device for processing used sand according to claim 2, characterized in that: The blocking piece (14) is movably connected to the discharge pipe (13), and a handle is provided at the middle position of one side surface of the blocking piece (14).

4. A sand mixing device for processing used sand according to claim 1, characterized in that: Support legs (17) are provided on both sides of the bottom surface of the sand mixing box (1), and a plurality of support legs (17) are provided, and the plurality of support legs (17) are evenly distributed in pairs on both sides of the bottom surface of the sand mixing box (1).

5. A sand mixing device for processing used sand according to claim 1, characterized in that: There are a plurality of connecting columns (7), and the plurality of connecting columns (7) are evenly distributed between the pretreatment box (2) and the sand mixing box (1).

6. A sand mixing device for processing used sand according to claim 4, characterized in that: The supporting legs (17) are fixedly welded to the sand mixing box (1).

7. A sand mixing device for processing used sand according to claim 1, characterized in that: The connecting column (7) is fixedly welded to the pretreatment box (2) and the sand mixing box (1) respectively.

8. The sand mixing device for processing used sand according to claim 1, characterized in that: The scraper (15) and the auxiliary stirring blade (16) are matched with the sand mixing box (1).

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