Grinding structure of waste sand regeneration equipment

Abstract

The utility model discloses a waste sand regeneration equipment grinding structure which comprises an equipment body, a feeding hopper is arranged at the top of the equipment body, a smashing structure is arranged on the lower side in the feeding hopper and is in driving connection with external driving equipment, and a conical screening net with the end facing upwards is arranged at the position, corresponding to the smashing structure, of the upper end in the equipment body. The periphery of the conical screening net is fixed to the inner side wall of the equipment body, a waste cavity inclining leftwards from top to bottom is formed in the position, corresponding to the periphery of the conical screening net, in the equipment body, a waste outlet is formed in the position, corresponding to the waste cavity, of the left side wall of the equipment body, and a grinding structure is arranged on the lower side of the conical screening net. A discharging opening is formed in the bottom of the equipment body corresponding to the grinding structure, and a conical material collecting groove is formed in the bottom in the equipment body corresponding to the discharging opening, so that reclaimed sand is conveniently collected; and through primary crushing of the crushing structure and further grinding of the grinding structure, the reclaimed sand is finer while it is guaranteed that particles of the reclaimed sand are uniform, and the quality of the reclaimed sand is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of regenerated sand, in particular to a grinding structure of waste sand regeneration 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 production process of regenerated sand, the production equipment needs to grind the regenerated sand to make the waste sand particles finer. Some existing equipment is not thorough enough when grinding the regenerated sand, resulting in uneven particle size of the regenerated sand and large differences in particle diameter, which affects the production quality of the regenerated sand and affects its subsequent use. Utility Model Content

[0004] In view of the technical problems in the above-mentioned prior art, the utility model provides a grinding structure of a waste sand regeneration equipment, aiming to solve the above-mentioned problems.

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

[0006] A grinding structure of waste sand regeneration equipment comprises an equipment body, a feed hopper is provided on the top of the equipment body, a crushing structure is provided on the lower side of the feed hopper, the crushing structure is connected to the driving device of the external driving device, a conical screening net with the end facing upward is provided at the upper end of the equipment body corresponding to the crushing structure, the periphery of the conical screening net is fixed on the inner wall of the equipment body, a waste cavity inclined from top to bottom to the left is provided in the equipment body corresponding to the periphery of the conical screening net, a waste outlet is provided on the left side wall of the equipment body corresponding to the waste cavity, a grinding structure is provided on the lower side of the conical screening net, and a discharge port is provided at the bottom of the equipment body corresponding to the grinding structure.

[0007] Preferably, the pulverizing structure comprises two pulverizing rollers arranged horizontally and longitudinally, the front and rear sides of the two pulverizing rollers are respectively inserted into the front and rear side walls of the feed hopper and are connected to the external driving device, and the opposite sides of the two pulverizing rollers are abutted against each other.

[0008] Preferably, a collecting hopper is provided at the lower side of the conical screening net, and a discharge port is provided at the left side of the collecting hopper corresponding to the grinding structure, and the discharge port extends into the grinding structure and is connected thereto.

[0009] Preferably, a vibration motor is fixedly provided in the middle of the lower side of the conical screening net.

[0010] Preferably, the grinding structure includes a grinding mesh, the periphery of which is fixedly arranged on the inner wall of the equipment body, the grinding mesh is located below the feed port, a conical grinding roller abutting against the grinding mesh is arranged in the middle of the upper side thereof, a fixing rod is laterally arranged on the upper side of the conical grinding roller, the left end of the fixing rod is fixedly connected to the right side wall of the feed port, and the right end is fixed to the inner wall of the equipment body, a rotating shaft rotatably connected to the upper side of the conical grinding roller is vertically arranged at the position corresponding to the fixing rod, and a driving assembly for driving the rotating shaft to rotate is arranged on the upper side of the fixing rod.

[0011] Preferably, the driving assembly includes a first pulley arranged on the upper side of the rotating shaft, the axle of the first pulley is fixedly connected to the rotating shaft, a motor is provided on the outside of the equipment body, a second pulley is provided at the driving end of the motor corresponding to the first pulley, a belt is sleeved between the first pulley and the second pulley, and a through hole is opened on the side wall of the equipment body corresponding to the belt.

[0012] Preferably, a conical aggregate trough is provided at the inner bottom of the equipment body corresponding to the discharge port.

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

[0014] The utility model provides a grinding structure for waste sand regeneration equipment, which performs preliminary crushing and grinding on waste sand through a crushing structure at a feed inlet, and then passes the basically qualified waste sand through a screening net into the grinding structure, and drives the conical grinding roller to rotate through a motor, and cooperates with the grinding net to grind the waste sand more finely, and while grinding, qualified regenerated sand will leak out from the grinding net, ensuring that the particles of the regenerated sand are uniform, and the regenerated sand is also finer, thereby greatly improving the quality of the regenerated sand;

[0015] At the same time, when the screening net is screening, the waste sand that does not meet the requirements will fall into the inclined waste cavity through the conical screening net, so that it is easy to collect it from the waste outlet, which is convenient for subsequent processing and improves its convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is an overall schematic diagram of the grinding structure of a waste sand regeneration equipment described in the utility model;

[0017] Figure 2 This is an enlarged view of point A of the grinding structure of a waste sand regeneration equipment described in the utility model;

[0018] Figure 3 This is a top sectional view of the grinding structure of a waste sand regeneration equipment grinding structure described in the utility model.

[0019] In the figure: 1. Equipment body; 11. Feed hopper; 12. Waste outlet; 13. Discharge port; 14. Through hole; 15. Conical aggregate trough; 2. Crushing structure; 3. Conical screening net; 31. Aggregate hopper; 32. Discharge port; 33. Vibration motor; 4. Waste chamber; 5. Grinding structure; 51. Grinding net; 52. Conical grinding roller; 53. Fixed rod; 54. Rotating shaft; 6. Driving assembly; 61. First pulley; 62. Motor; 63. Second pulley; 64. Belt. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-3 , the embodiment proposed in the present application is: a grinding structure of a waste sand regeneration equipment, including an equipment body 1, a feed hopper 11 is provided on the top of the equipment body 1, a crushing structure 2 is provided on the lower side of the feed hopper 11, the crushing structure 2 is connected to the external driving device, a conical screening net 3 with an end facing upward is provided at the upper end of the equipment body 1 corresponding to the crushing structure 2, the periphery of the conical screening net 3 is fixed on the inner wall of the equipment body 1, a waste cavity 4 inclined from top to bottom to the left is provided at the periphery of the conical screening net 3 in the equipment body 1, a waste outlet 12 is provided at the left side wall of the equipment body 1 corresponding to the waste cavity 4, a grinding structure 5 is provided on the lower side of the conical screening net 3, a discharge port 13 is provided at the bottom of the equipment body 1 corresponding to the grinding structure 5, and a conical aggregate trough 15 is provided at the bottom of the equipment body 1 corresponding to the discharge port 13, so as to facilitate the collection of regenerated sand;

[0022] The initial crushing by the crushing structure 2 and the further grinding by the grinding structure 5 ensure that the particles of the regenerated sand are uniform, and the regenerated sand is also finer, thereby greatly improving the quality of the regenerated sand.

[0023] In another embodiment, see Figure 1-2 The crushing structure 2 includes two crushing rollers arranged horizontally and longitudinally. The front and rear sides of the two crushing rollers are respectively inserted into the front and rear side walls of the feed hopper 11, and are connected to the external driving device. The opposite sides of the two crushing rollers are abutted against each other; the two crushing rollers are driven by the external driving device (existing technology, which will not be described in detail) to rotate towards each other, and the waste sand entering from the feed port is preliminarily crushed to facilitate subsequent screening and grinding work.

[0024] In another embodiment, see Figure 1-3A collecting hopper 31 is provided on the lower side of the conical screening net 3, and a discharge port 32 is provided on the left side of the collecting hopper 31 corresponding to the grinding structure 5. The discharge port 32 extends into the grinding structure 5 and is connected thereto. A vibration motor 33 is fixedly provided in the middle part of the lower side of the conical screening net 3. The setting of the conical screening net 3 facilitates the screening of the crushed waste sand under the action of gravity. The setting of the vibration motor 33 prevents the waste sand from being stuck on the conical screening net 3 and affecting the screening work, and also facilitates better screening of the waste sand. At the same time, the setting of the collecting hopper 31 facilitates the accurate feeding of the screened waste sand into the grinding structure 5.

[0025] In another embodiment, see Figure 1-3 The grinding structure 5 includes a grinding net 51, the periphery of the grinding net 51 is fixed on the inner wall of the equipment body 1, the grinding net 51 is located below the discharge port 32, and a conical grinding roller 52 abutting against the grinding net 51 is provided in the middle of the upper side surface thereof, a fixing rod 53 is laterally provided on the upper side of the conical grinding roller 52, the left end of the fixing rod 53 is fixedly connected to the right side wall of the discharge port 32, and the right end is fixed to the inner wall of the equipment body 1, a rotating shaft 54 ​​rotatably connected to the conical grinding roller 52 is vertically provided on the upper side surface of the conical grinding roller 52 corresponding to the fixing rod 53, and a driving component 6 for driving the rotating shaft 54 ​​to rotate is provided on the upper side of the fixing rod 53.

[0026] In this embodiment, the driving assembly 6 includes a first pulley 61 disposed on the upper side of the rotating shaft 54, the axle of the first pulley 61 is fixedly connected to the rotating shaft 54, a motor 62 is disposed on the outer side of the device body 1, a second pulley 63 is disposed at the driving end of the motor 62 corresponding to the first pulley 61, a belt 64 is sleeved between the first pulley 61 and the second pulley 63, and a through hole 14 is opened at the side wall of the device body 1 corresponding to the belt 64;

[0027] The second pulley 63 is driven to rotate by the motor 62, and the first pulley 61 is driven to rotate by the belt 64, thereby driving the conical grinding roller 52 to rotate, and cooperating with the grinding net 51 to grind the waste sand entering the grinding net 51 more finely. During the grinding, the regenerated sand that meets the requirements will leak out from the grinding net 51, which ensures that the particles of the regenerated sand are uniform and the regenerated sand is finer, thereby greatly improving the quality of the regenerated sand.

[0028] 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.

[0029] 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.

[0030] 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 waste sand regeneration equipment grinding structure, comprising an equipment body (1), wherein a feed hopper (11) is provided on the top of the equipment body (1), characterized in that: A crushing structure (2) is provided on the lower inner side of the feed hopper (11), and the crushing structure (2) is connected to an external driving device. A conical screening net (3) with an end facing upward is provided at the upper inner end of the equipment body (1) corresponding to the crushing structure (2), and the outer periphery of the conical screening net (3) is fixed on the inner side wall of the equipment body (1). A waste cavity (4) is provided in the equipment body (1) at the outer periphery corresponding to the conical screening net (3) and arranged obliquely from top to bottom to the left. A waste outlet (12) is provided on the left side wall of the equipment body (1) corresponding to the waste cavity (4). A grinding structure (5) is provided on the lower side of the conical screening net (3), and a discharge port (13) is provided at the bottom of the equipment body (1) corresponding to the grinding structure (5).

2. The grinding structure of waste sand regeneration equipment according to claim 1, characterized in that: The pulverizing structure (2) comprises two pulverizing rollers arranged horizontally and longitudinally, the front and rear sides of the two pulverizing rollers are respectively inserted into the front and rear side walls of the feed hopper (11), and are connected to the external driving device, and the opposite sides of the two pulverizing rollers are abutted against each other.

3. The grinding structure of waste sand regeneration equipment according to claim 1, characterized in that: A collecting hopper (31) is provided at the lower side of the conical screening net (3), and a discharge port (32) is provided at the left side of the collecting hopper (31) corresponding to the grinding structure (5), and the discharge port (32) extends into the grinding structure (5) and is connected thereto.

4. The grinding structure of waste sand regeneration equipment according to claim 3 is characterized in that: A vibration motor (33) is fixedly provided in the middle of the lower side of the conical screening net (3).

5. The grinding structure of waste sand regeneration equipment according to claim 3 is characterized in that: The grinding structure (5) comprises a grinding net (51), the periphery of which is fixedly arranged on the inner wall of the equipment body (1), the grinding net (51) being located below the material discharge port (32), a conical grinding roller (52) being arranged in the middle of the upper side of the grinding net (51) and being in contact with the grinding net, a fixing rod (53) being arranged transversely on the upper side of the conical grinding roller (52), the left end of which is fixedly connected to the right side wall of the material discharge port (32), and the right end of which is fixed to the inner wall of the equipment body (1), a rotating shaft (54) being vertically arranged on the upper side of the conical grinding roller (52) corresponding to the fixing rod (53) and being rotatably connected thereto, and a driving component (6) for driving the rotating shaft (54) to rotate is arranged on the upper side of the fixing rod (53).

6. The grinding structure of waste sand regeneration equipment according to claim 5, characterized in that: The driving assembly (6) comprises a first pulley (61) arranged on the upper side of the rotating shaft (54), the axle of the first pulley (61) is fixedly connected to the rotating shaft (54), a motor (62) is arranged on the outer side of the equipment body (1), a second pulley (63) is arranged at the driving end of the motor (62) corresponding to the first pulley (61), a belt (64) is sleeved between the first pulley (61) and the second pulley (63), and a through hole (14) is opened on the side wall of the equipment body (1) corresponding to the belt (64).

7. The grinding structure of waste sand regeneration equipment according to claim 1, characterized in that: A conical material collecting trough (15) is provided at the bottom of the equipment body (1) corresponding to the material discharge port (13).

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