Reclaimed sand production equipment

Abstract

The utility model discloses reclaimed sand production equipment which comprises an equipment body, a feeding hopper is arranged on the upper side face of the equipment body, an inclined face inclining rightwards from top to bottom is arranged on the lower side in the feeding hopper, a discharging opening is formed in the lower end, corresponding to the inclined face, in the equipment body, and a first grinding roller is arranged at the discharging opening. The front end and the rear end of the first crushing roller are rotationally inserted into the equipment body and are in driving connection with external driving equipment, a crushing structure is arranged on the lower side of the discharging opening, a screen which inclines leftwards from top to bottom is arranged at the position, corresponding to the lower side of the crushing structure, in the equipment body, and a classified material conveying structure is arranged below the screen. According to the equipment, qualified materials are screened out through the screen, unqualified materials are separated, the quality of the screened materials is greatly improved, meanwhile, the dust suction fan is arranged and matched with external dust treatment equipment, and dust is prevented from polluting the environment in the production process.

Description

Technical Field

[0001] The utility model relates to the technical field of regenerated sand, in particular to regenerated sand production equipment. Background Art

[0002] Recycled sand is the used sand that has been processed in the foundry production and basically restored its performance and can be reused. In sand casting, 1 to 7 tons of used sand will be produced for every ton of castings produced. There are basically two ways to use used sand, namely, reuse of used sand and reuse of used sand after regeneration.

[0003] During the elongation process of regenerated sand, the production equipment needs to crush and screen the regenerated sand. Some existing equipment is unable to screen it thoroughly, resulting in uneven particle size of the regenerated sand and large differences in particle diameter, which affects the production quality of the regenerated sand. Utility Model Content

[0004] In view of the technical problems in the above-mentioned prior art, the utility model provides a regenerated sand production equipment, the purpose of which is to solve the above-mentioned problems.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A regenerated sand production equipment comprises an equipment body, wherein a feed hopper is provided on the upper side of the equipment body, an inclined surface inclined from top to bottom to the right is provided on the lower side of the feed hopper, a discharge port is provided at the lower end of the corresponding inclined surface in the equipment body, a first crushing roller is provided at the discharge port, the front and rear ends of the first crushing roller are rotatably inserted in the equipment body and are connected to an external driving device, a crushing structure is provided on the lower side of the discharge port, a screen inclined from top to bottom to the left is provided at the lower side of the equipment body corresponding to the crushing structure, and a classification feeding structure is provided below the screen.

[0007] Preferably, the crushing structure includes two second crushing rollers arranged horizontally and longitudinally, and a crushing cavity is opened inside the equipment body corresponding to the two second crushing rollers. The front and rear ends of the two second crushing rollers are respectively rotatably inserted in the crushing cavity and are connected to the external driving device. The two second crushing rollers are abutted against each other, and the upper part of the abutment corresponds to the discharge port.

[0008] Preferably, the classification and feeding structure includes a first feeding belt arranged directly below the middle of the screen, the first feeding belt passes through the right side of the equipment body and extends to the outside, the equipment body is provided with a first discharge port corresponding to the first feeding belt, and a second feeding belt is provided at the end below the screen, the second feeding belt passes through the left side of the equipment body and extends to the outside, the equipment body is provided with a second discharge port corresponding to the second feeding belt, and the first feeding belt and the second feeding belt are respectively driven and connected by external driving devices.

[0009] Preferably, a dust suction fan is fixedly provided on the upper side of the screen in the device body, the dust suction fan is arranged on the left side of the crushing structure, an air outlet pipe is connected to the upper side of the dust suction fan, and the air outlet pipe passes through the device body to the left and is connected to the external dust treatment device.

[0010] Preferably, the equipment body is provided with vibration motors at the corresponding feed hopper and at the bottom of the screen.

[0011] Preferably, a plurality of convex points are evenly arranged on the surface of the first crushing roller.

[0012] Preferably, the longitudinal section of the discharge port is inverted conical.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model provides a regenerated sand production equipment, wherein materials are put into a feed hopper through external equipment, and the materials are vibrated by a vibration motor to slide down an inclined plane to a discharge port, and a first crushing roller is driven by an external driving device to rotate to preliminarily crush the materials, and the preliminarily crushed logistics falls from the discharge port to the abutment of two second crushing rollers, which are driven by the external driving device to rotate in opposite directions, so as to further fully crush the preliminarily crushed logistics, and the fully crushed materials fall onto an inclined screen, and the vibration motor at the bottom of the screen is used to screen the fully crushed materials, and qualified materials fall onto the first conveyor belt through the screen, and are transported to the outside for storage, and larger materials slide down to the second conveyor belt, are transported to the outside and wait to be put into the feed hopper again for re-crushing, and the equipment screens out qualified materials through the screen and separates unqualified materials, thereby greatly improving the quality of the screened materials, and is provided with a dust suction fan, which is used in conjunction with external dust treatment equipment to avoid dust pollution in the production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an overall cross-sectional schematic diagram of a regenerated sand production device described in the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the first crushing roller of the regenerated sand production equipment described in the utility model.

[0017] In the figure: 1. Equipment body; 11. Feed hopper; 12. Inclined surface; 13. Feeding port; 14. First discharging port; 15. Second discharging port; 2. First crushing roller; 21. Bump; 3. Crushing structure; 31. Second crushing roller; 32. Crushing chamber; 4. Screen; 5. Classification feeding structure; 51. First feeding belt; 52. Second feeding belt; 6. Dust suction fan; 61. Air outlet pipe; 7. Vibration motor. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-2 In the embodiment proposed in the present application, a regenerated sand production device comprises an equipment body 1, a feed hopper 11 is arranged on the upper side of the equipment body 1, an inclined surface 12 inclined from top to bottom to the right is arranged on the lower side of the feed hopper 11, a discharge port 13 is arranged at the lower end of the corresponding inclined surface 12 in the equipment body 1, the longitudinal section of the discharge port 13 is inverted in a conical shape, a first crushing roller 2 is arranged at the discharge port 13, a plurality of convex points 21 are evenly arranged on the surface of the first crushing roller 2, the front and rear ends of the first crushing roller 2 are rotatably inserted in the equipment body 1, and are connected to the external driving device, a crushing structure 3 is arranged at the lower side of the discharge port 13, a screen 4 inclined from top to bottom to the left is arranged at the lower side of the corresponding crushing structure 3 in the equipment body 1, a vibration motor 7 is respectively arranged at the equipment body 1 corresponding to the feed hopper 11 and at the bottom of the screen 4, and a classification feeding structure 5 is arranged below the screen 4;

[0020] The first crushing roller 2 is driven to rotate by an external driving device to perform preliminary crushing on the material. The logistics after preliminary crushing falls from the discharge port 13 to the crushing structure 3 for full crushing. The fully crushed material falls onto the inclined screen 4. With the cooperation of the vibration motor 7 at the bottom of the screen 4, the fully crushed material is screened and output through the classification feeding structure 5. The qualified material is stored after passing through the screen 4, and the unqualified material is separated and crushed again, thereby greatly improving the quality of the screened material.

[0021] In another embodiment, see Figure 1 The crushing structure 3 includes two second crushing rollers 31 arranged horizontally and longitudinally. A crushing cavity 32 is provided inside the equipment body 1 corresponding to the two second crushing rollers 31. The front and rear ends of the two second crushing rollers 31 are respectively rotatably inserted into the crushing cavity 32 and are connected to the external driving device. The two second crushing rollers 31 are arranged in abutment with each other, and the upper part of the abutment corresponds to the feeding port 13.

[0022] The logistics after preliminary crushing falls from the discharge port 13 to the abutment of the two second crushing rollers 31, and is driven by an external driving device to rotate towards each other (the external driving device here is a conventional driving device in the prior art, and a conventional driving connection method, which will not be repeated here), so as to further crush the falling material and make it crushed more fully.

[0023] In another embodiment, see Figure 1 The classification feeding structure 5 includes a first feeding belt 51 arranged just below the middle of the screen 4, the first feeding belt 51 passes through the right side of the equipment body 1 and extends to the outside, the equipment body 1 is provided with a first discharge port 14 corresponding to the first feeding belt 51, a second feeding belt 52 is provided at the end below the screen 4, the second feeding belt 52 passes through the left side of the equipment body 1 and extends to the outside, the equipment body 1 is provided with a second discharge port 15 corresponding to the second feeding belt 52, the first feeding belt 51 and the second feeding belt 52 are respectively connected by external driving devices;

[0024] The fully crushed material falls onto the inclined screen 4, and with the cooperation of the vibration motor 7 at the bottom of the screen, the fully crushed material is screened. The qualified material falls onto the first conveyor belt 51 through the screen 4 and is transported to the outside for storage. The larger material slides onto the second conveyor belt 52 and is transported to the outside to wait for being put into the feed hopper 11 for re-crushing. The equipment screens out the qualified material through the screen 4 and separates the unqualified material, which greatly improves the quality of the screened material.

[0025] In another embodiment, see Figure 1 A dust suction fan 6 is fixedly provided on the upper side of the screen 4 in the equipment body 1. The dust suction fan 6 is arranged on the left side of the crushing structure 3. An air outlet duct 61 is connected to the upper side of the dust suction fan 6. The air outlet duct 61 passes through the equipment body 1 to the left and is connected to the external dust treatment equipment. The dust suction fan is provided to cooperate with the external dust treatment equipment (the dust treatment equipment and the connection method here are commonly used means in this field and are not described here) to absorb and treat the dust in the production process to avoid polluting the environment.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0027] In the description of the present invention, unless otherwise specified, "plurality" means two or more; the terms "upper", "lower", "left", "right", "inside", "outside", "front end", "rear end", "head", "tail", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A regenerated sand production device, comprising a device body (1), characterized in that: A feed hopper (11) is provided on the upper side of the equipment body (1), and an inclined surface (12) inclined from top to bottom to the right is provided on the lower side of the feed hopper (11). A discharge port (13) is provided at the lower end of the corresponding inclined surface (12) in the equipment body (1), and a first crushing roller (2) is provided at the discharge port (13). The first crushing roller (2) is rotatably inserted in the equipment body (1) at both ends and is connected to an external driving device. A crushing structure (3) is provided on the lower side of the discharge port (13), and a screen (4) inclined from top to bottom to the left is provided at the lower side of the corresponding crushing structure (3) in the equipment body (1), and a classification feeding structure (5) is provided below the screen (4).

2. A regenerated sand production equipment according to claim 1, characterized in that: The pulverizing structure (3) comprises two second crushing rollers (31) arranged horizontally and longitudinally. A pulverizing chamber (32) is provided inside the equipment body (1) corresponding to the two second crushing rollers (31). The front and rear ends of the two second crushing rollers (31) are respectively rotatably inserted into the pulverizing chamber (32) and are connected to an external driving device. The two second crushing rollers (31) are arranged in abutment with each other, and the upper part of the abutment corresponds to the discharge port (13).

3. The regenerated sand production equipment according to claim 1, characterized in that: The classification feeding structure (5) comprises a first feeding belt (51) arranged directly below the middle of the screen (4), the first feeding belt (51) passing through the right side of the equipment body (1) and extending to the outside, the equipment body (1) is provided with a first discharge port (14) corresponding to the first feeding belt (51), a second feeding belt (52) is provided at the end below the screen (4), the second feeding belt (52) passing through the left side of the equipment body (1) and extending to the outside, the equipment body (1) is provided with a second discharge port (15) corresponding to the second feeding belt (52), and the first feeding belt (51) and the second feeding belt (52) are respectively connected by external driving devices.

4. The regenerated sand production equipment according to claim 1, characterized in that: A dust suction fan (6) is fixedly provided on the upper side of the screen (4) in the device body (1); the dust suction fan (6) is arranged on the left side of the pulverizing structure (3); an air outlet pipe (61) is provided on the upper side of the dust suction fan (6); the air outlet pipe (61) passes through the device body (1) to the left and is connected to an external dust treatment device.

5. The regenerated sand production equipment according to claim 1, characterized in that: The equipment body (1) is provided with a vibration motor (7) at a position corresponding to the feed hopper (11) and at the bottom of the screen (4).

6. The regenerated sand production equipment according to claim 1, characterized in that: A plurality of convex points (21) are evenly arranged on the surface of the first crushing roller (2).

7. The regenerated sand production equipment according to claim 1, characterized in that: The longitudinal section of the discharge port (13) is inverted conical.

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