Sand mixer convenient to sample and used for mechanical casting

Abstract

The utility model discloses a mechanical casting sand mixer convenient to sample, which belongs to the technical field of precision casting, and comprises a support frame, a sand mixing bin is connected above the support frame, a sliding chute is arranged on the sand mixing bin, a main housing and an auxiliary housing are arranged on the sand mixing bin in a sliding manner through the sliding chute, a first motor is arranged below the sand mixing bin, and a second motor is arranged below the sand mixing bin. And an output shaft of the first motor is connected with a rotating block. According to the mechanical casting sand mixer convenient to sample, clamping blocks on the two sides of a material taking barrel are clamped into clamping grooves with the large depth from the clamping grooves with the small depth, the material taking barrel is promoted to slide downwards along a hollow rod to make contact with the bottom of a sand mixing bin, sand can enter the material taking barrel in the downward moving process, then a threaded rod is rotated through a hand wheel, and the material taking barrel is driven to move downwards; and the threaded rod moves downwards and drives the connecting rod to rotate, the rotating material taking blade can twist molding sand into the material taking barrel and seal the molding sand, and then the material taking barrel is taken out, so that material taking is completed, and a worker does not need to stretch into the sand mixing bin.

Description

TECHNICAL FIELD

[0001] The utility model belongs to precision casting technical field, concretely is a kind of mechanical casting sand mixer for easy sampling. BACKGROUND

[0002] Precision casting refers to the general term of the process of obtaining accurate size castings, compared with traditional sand casting process, the size of the castings obtained by precision casting is more accurate, and the surface finish is better, and in the casting process, sand mixer is needed to mix sand for casting, and sand mixer is the equipment that uniformly mixes each component in the sand and effectively coats the binder on the surface of sand particles.

[0003] Currently, when sampling the sand in the sand mixer, the staff usually manually samples by exploring into the sand mixer, which has certain safety hazards in the process. UTILITY MODEL CONTENT

[0004] In order to overcome the above defects, the utility model provides a kind of mechanical casting sand mixer for easy sampling, which solves the problem that currently, when sampling the sand in the sand mixer, the staff usually manually samples by exploring into the sand mixer, which has certain safety hazards in the process.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of mechanical casting sand mixer for easy sampling, including support frame, the support frame upper connection has sand mixing bin, the sand mixing bin is equipped with main cover shell and vice cover shell by being slidably installed in chute, the sand mixing bin lower installation has first motor, the first motor output shaft is connected with rotating block, the rotating block is connected with multiple sand mixing rods, the main cover shell lower connection has connecting strip, the main cover shell is rotatably connected with hollow rod;

[0006] Second motor is installed on the main cover shell, the second motor output shaft is connected with main gear, the hollow rod both sides are connected with stirring plate, the hollow rod is slidably connected with material taking cylinder, the material taking cylinder is screw-threadedly connected with threaded rod, one end of the threaded rod is connected with connecting rod, the other end of the threaded rod is connected with hand wheel, the connecting rod is connected with material taking blade.

[0007] As a further scheme of the utility model: the vice cover shell lower connection has connecting plate, the vice cover shell one side is connected with first magnetic plate, the hollow rod height is higher than sand mixing rod, the material taking blade is spiral design and is in contact with the inner wall of material taking cylinder.

[0008] As a further scheme of the utility model: the main cover and the connecting strip are both provided with receiving grooves, and the sizes of the receiving grooves on the main cover and the connecting strip are same as those of the auxiliary cover and the connecting plate respectively, one side of the main cover is connected with a second magnetic plate, and the first magnetic plate and the second magnetic plate are adsorbed.

[0009] As a further scheme of the utility model: the support frame is connected with an antiskid pad below, the sand mixing bin and the main cover are both designed as circular table type, and the sand mixing rod is in contact with the inner wall of the sand mixing bin.

[0010] As a further scheme of the utility model: four clamping grooves are provided on the hollow rod in a central symmetry mode, the depths of two adjacent clamping grooves are different, a secondary gear is connected to the hollow rod, and the primary gear and the secondary gear are mutually engaged.

[0011] As a further scheme of the utility model: one end edge of the material taking cylinder is designed as a taper, clamping blocks are connected to the two sides of the material taking cylinder, and the clamping blocks are clamped in the clamping grooves.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] 1. The convenient sampling mechanical sand mixing machine for casting, through the setting of the material taking cylinder, the hand wheel, the threaded rod, the connecting rod, the material taking blade, the clamping groove and the clamping block, the staff can make the material taking cylinder slide downwards in the hollow rod by clamping the clamping blocks on the two sides of the material taking cylinder from the clamping groove with a shallow depth into the clamping groove with a deep depth, so that the material taking cylinder can be in contact with the bottom of the sand mixing bin, and the molding sand can enter the material taking cylinder in the process of moving downwards, then the threaded rod is made to move downwards and drive the connecting rod to rotate by rotating the threaded rod through the hand wheel, the spiral material taking blade rotating with the connecting rod can twist the molding sand into the material taking cylinder, and the molding sand is closed, then the material taking cylinder is taken out from the hollow rod, so that the material taking is completed, the staff does not need to explore into the inside of the sand mixing bin, and the occurrence of safety accidents is reduced.

[0014] 2. The convenient sampling mechanical sand mixing machine for casting, through the setting of the first motor, the rotating block, the sand mixing rod, the second motor, the stirring plate, the main cover and the auxiliary cover, the molding sand on the bottom of the sand mixing bin is stirred by rotating the rotating block through the first motor, the hollow rod is made to rotate by the meshing of the primary gear and the secondary gear driven by the second motor, so that the molding sand accumulated on the edge is stirred by the stirring plate, the molding sand is stirred by the sand mixing rod and the stirring plate together, the mixing efficiency is improved, the main cover and the auxiliary cover are fixed together by the adsorption of the first magnetic plate and the second magnetic plate, and the staff can observe and collect the molding sand by pushing the auxiliary cover into the receiving groove. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the utility model three-dimensional structure;

[0016] Figure 2 It is the schematic view of the cross section structure of the sand mixing bin of the utility model;

[0017] Figure 3 It is the schematic view of the cross section structure of the main cover shell of the utility model;

[0018] Figure 4 It is the schematic view of the cross section structure of the hollow rod and the material taking cylinder of the utility model;

[0019] Figure 5 It is the schematic view of the three-dimensional structure of the auxiliary cover shell of the utility model;

[0020] In the drawing: 1, support frame; 2, sand mixing bin; 3, chute; 4, main cover shell; 5, auxiliary cover shell; 6, first motor; 7, rotating block; 8, sand mixing rod; 9, connecting strip; 10, hollow rod; 11, second motor; 12, main gear; 13, stirring plate; 14, material taking cylinder; 15, threaded rod; 16, connecting rod; 17, hand wheel; 18, material taking blade; 19, connecting plate; 20, first magnetic plate; 21, storage groove; 22, second magnetic plate; 23, anti-skid pad; 24, clamping groove; 25, auxiliary gear; 26, clamping block. DETAILED DESCRIPTION

[0021] The technical scheme of the patent will be further described in detail in combination with specific embodiments.

[0022] As Figures 1-5 shown, the utility model provides a kind of technical scheme: a kind of mechanical foundry sand mixing machine for facilitating sampling, including support frame 1, support frame 1 top is connected with sand mixing bin 2, support frame 1 below is connected with anti-skid pad 23, sand mixing bin 2 and main cover shell 4 are all circular table design, sand mixing rod 8 is contacted with sand mixing bin 2 inner wall, increase the friction between support frame 1 and ground by anti-skid pad 23, prevent support frame 1 accidental sliding, and the contact of sand mixing rod 8 and sand mixing bin 2 inner wall, can scrape off sand from inner wall, avoid sticking.

[0023] Chute 3 is opened in sand mixing bin 2, sand mixing bin 2 is slidably installed with main cover shell 4 and auxiliary cover shell 5 by chute 3, connecting plate 19 is connected to the lower side of auxiliary cover shell 5, first magnetic plate 20 is connected to the side of auxiliary cover shell 5, hollow rod 10 height is higher than sand mixing rod 8, material taking blade 18 is spiral design and is contacted with the inner wall of material taking cylinder 14, spiral material taking blade 18 is contacted with the inner wall of material taking cylinder 14 in the process of rotating and moving down, and the sand in material taking cylinder 14 is further twisted into the deep part of material taking cylinder 14, and the contact of material taking blade 18 and the inner wall of material taking cylinder 14 can seal the sand, to avoid sand falling.

[0024] The first motor 6 is installed below the sand mixing bin 2, the output shaft of the first motor 6 is connected with a rotating block 7, a plurality of sand mixing rods 8 are connected on the rotating block 7, a connecting strip 9 is connected below the main cover shell 4, the main cover shell 4 and the connecting strip 9 are both provided with receiving grooves 21, the size of the receiving grooves 21 on the main cover shell 4 and the connecting strip 9 is respectively same as the size of the auxiliary cover shell 5 and the connecting plate 19, a second magnetic plate 22 is connected on one side of the main cover shell 4, the first magnetic plate 20 and the second magnetic plate 22 are adsorbed, through the sliding of the connecting strip 9 and the connecting plate 19 in the sliding groove 3, the main cover shell 4 and the auxiliary cover shell 5 can be conveniently pushed by the staff, and through the reverse pushing of the main cover shell 4 and the auxiliary cover shell 5, the auxiliary cover shell 5 and the connecting plate 19 can be pushed into the receiving grooves 21, so that the staff can conveniently observe and collect the molding sand in the sand mixing bin 2.

[0025] The hollow rod 10 is rotationally connected on the main cover shell 4, four clamping grooves 24 are symmetrically formed on the hollow rod 10, the depths of two adjacent clamping grooves 24 are different, the auxiliary gear 25 is connected on the hollow rod 10, the main gear 12 and the auxiliary gear 25 are meshed with each other, through the clamping grooves 24 with different depths, the staff can conveniently determine the descending distance of the material taking cylinder 14, and avoid excessive descending and bumping and damaging the inner wall of the sand mixing bin 2.

[0026] The second motor 11 is installed on the main cover shell 4, the output shaft of the second motor 11 is connected with the main gear 12, the stirring plates 13 are connected on the two sides of the hollow rod 10, the material taking cylinder 14 is slidably connected in the hollow rod 10, the threaded rod 15 is threadedly connected on the material taking cylinder 14, the connecting rod 16 is connected on one end of the threaded rod 15, the hand wheel 17 is connected on the other end of the threaded rod 15, the material taking blades 18 are connected on the connecting rod 16, the edge of one end of the material taking cylinder 14 is designed in a conical shape, the clamping blocks 26 are connected on the two sides of the material taking cylinder 14, the clamping blocks 26 are clamped in the clamping grooves 24, through the conical design of one end of the material taking cylinder 14, the material taking cylinder 14 can be quickly inserted into the molding sand pile, so that the molding sand can enter into the material taking cylinder 14.

[0027] The working principle of the utility model is:

[0028] After the raw material is filled into the sand mixing bin 2, the first magnetic plate 20 and the second magnetic plate 22 are attracted to each other by pushing the secondary cover 5, so as to fix the primary cover 4 and the secondary cover 5 together, then the first motor 6 is started to rotate the rotating block 7, so as to make the sand mixing rod 8 stir the sand at the bottom of the sand mixing bin 2, and at the same time, the second motor 11 is started to rotate the main gear 12, the hollow rod 10 is rotated by the meshing of the main gear 12 and the secondary gear 25, so as to make the stirring plate 13 stir the sand accumulated at the edge, the first motor 6 and the second motor 11 are turned off when taking the material, and the clamping block 26 at both sides of the material taking cylinder 14 is clamped into the deep clamping groove 24 from the shallow clamping groove 24, so as to make the material taking cylinder 14 slide downward in the hollow rod 10, the sand will enter the material taking cylinder 14 in the process of sliding downward, then the hand wheel 17 is rotated to make the threaded rod 15 slide downward and drive the connecting rod 16 to rotate, the spiral material taking blade 18 rotating with the connecting rod 16 can twist the sand into the material taking cylinder 14 to be closed, so as to prevent the sand from scattering, then the material taking cylinder 14 is taken out from the hollow rod 10 to complete the taking of the material.

[0029] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting" and "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, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] The preferred embodiments of the present application are described above in detail, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application.

Claims

1. A mechanical molding sand muller for easy sampling, comprising a support frame (1), characterized in that: The support frame (1) is connected with a sand mixing bin (2), the sand mixing bin (2) is provided with a chute (3), the sand mixing bin (2) is slidably connected with a main cover (4) and a vice cover (5) through the chute (3), a first motor (6) is installed below the sand mixing bin (2), a rotating block (7) is connected with the output shaft of the first motor (6), a plurality of sand mixing rods (8) are connected with the rotating block (7), a connecting strip (9) is connected below the main cover (4), and a hollow rod (10) is rotatably connected with the main cover (4). A second motor (11) is installed on the main cover (4), a main gear (12) is connected with the output shaft of the second motor (11), stirring plates (13) are connected on both sides of the hollow rod (10), a material taking cylinder (14) is slidably connected in the hollow rod (10), a threaded rod (15) is threadedly connected with the material taking cylinder (14), a connecting rod (16) is connected with one end of the threaded rod (15), a hand wheel (17) is connected with the other end of the threaded rod (15), and material taking blades (18) are connected with the connecting rod (16).

2. A mechanical molding sand muller for easy sampling according to claim 1, characterized in that: The vice cover (5) is connected with a connecting plate (19), a first magnetic plate (20) is connected on one side of the vice cover (5), the height of the hollow rod (10) is higher than that of the sand mixing rod (8), the material taking blades (18) are designed in a spiral manner and are in contact with the inner wall of the material taking cylinder (14).

3. A mechanical molding sand muller for convenient sampling according to claim 2, characterized in that: The main cover (4) and the connecting strip (9) are both provided with receiving grooves (21), the sizes of the receiving grooves (21) on the main cover (4) and the connecting strip (9) are the same as those of the vice cover (5) and the connecting plate (19), a second magnetic plate (22) is connected on one side of the main cover (4), and the first magnetic plate (20) and the second magnetic plate (22) are attracted to each other.

4. A mechanical molding sand muller for easy sampling according to claim 1, characterized in that: A non-slip pad (23) is connected below the support frame (1), the sand mixing bin (2) and the main cover (4) are designed in a circular table manner, and the sand mixing rod (8) is in contact with the inner wall of the sand mixing bin (2).

5. A mechanical molding sand muller for easy sampling according to claim 1, characterized in that: Four clamping grooves (24) are symmetrically formed on the hollow rod (10), the depths of two adjacent clamping grooves (24) are different, a vice gear (25) is connected with the hollow rod (10), and the main gear (12) and the vice gear (25) are meshed with each other.

6. A mechanical molding sand muller for convenient sampling according to claim 5, characterized in that: The edge of one end of the material taking cylinder (14) is designed in a conical manner, clamping blocks (26) are connected on both sides of the material taking cylinder (14), and the clamping blocks (26) are clamped in the clamping grooves (24).

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