Stone washing machine capable of conveniently screening stones

Abstract

The utility model relates to the technical field of stone washers, in particular to a stone washer convenient for screening stones, which comprises an equipment shell, a screening structure, a cleaning structure and a planetary gear transmission group, the screening structure is rotationally sleeved with the outer cylinder and comprises a first-stage screening cylinder, a second-stage screening cylinder is rotationally installed on the edge of one end in the first-stage screening cylinder through a bearing, and a third-stage screening cylinder is rotationally installed on the edge of one end in the second-stage screening cylinder through a bearing; the outer side edges of the other ends of the first-stage screen drum, the second-stage screen drum and the third-stage screen drum are rotationally sleeved with the inner wall of the outer drum through bearings; and the cleaning structure is rotationally mounted in the outer cylinder. According to the stone screening device, stone sequentially passes through the third-stage screen drum, the second-stage screen drum and the first-stage screen drum to be subjected to multi-stage screening, too fine stone and silt can be washed out by water flow, pass through the screen drums at all stages, fall to the bottom of the outer drum and are finally flushed out, the stone is screened according to the specification in the washing process, and the quality of the stone is improved; and the subsequent stone screening work is omitted.

Description

Technical Field

[0001] The utility model relates to the technical field of stone washers, in particular to a stone washer which is convenient for screening stones. Background Art

[0002] The sand and gravel used in large quantities in construction sites, sand and gravel plants, prefabrication plants and hydropower sites generally need to go through processes such as desludging and screening before they can be used. The specific work flow is to first clean and desludify the mixed stones, and then use screening devices to screen the mixed stones into stones of different specifications for different uses.

[0003] The current working method is to separate the cleaning step and the screening step, which are performed by a stone washer and screening equipment respectively. The work process is relatively long. There is a transfer step in the middle to transport the stone from the stone washer to the screening equipment. Some stones need to wait for drying first to avoid adhesion that affects the screening. There is room for improvement in work efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a stone washing machine which is convenient for screening stones, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A stone washing machine for conveniently screening stones, comprising:

[0007] a device housing, the device housing comprising an outer cylinder;

[0008] A screening structure, the screening structure is rotatably sleeved inside the outer cylinder, the screening structure includes a first-level screen cylinder, a second-level screen cylinder is rotatably mounted on one end edge of the first-level screen cylinder through a bearing, a third-level screen cylinder is rotatably mounted on one end edge of the second-level screen cylinder through a bearing, and the outer edges of the other ends of the first-level screen cylinder, the second-level screen cylinder and the third-level screen cylinder are rotatably sleeved on the inner wall of the outer cylinder through bearings;

[0009] A cleaning structure is rotatably mounted inside the outer cylinder and penetrates the middle of the three-stage sieve cylinder in both sides;

[0010] A planetary gear transmission group is fixedly installed on one side of the screening structure.

[0011] Further, the device housing further comprises:

[0012] Support leg columns, which are fixedly installed on both sides of the outer tube near the two ends;

[0013] A multi-stage outlet is provided at the bottom edge of the outer cylinder opening;

[0014] An inner shaft support frame is fixedly installed at the opening of the outer cylinder.

[0015] Further, the device housing further comprises:

[0016] A rear sealing plate, the rear sealing plate being fixedly mounted on one end of the outer cylinder;

[0017] The feed port is fixedly mounted on the outside of the rear sealing plate, one end of the feed port opens through the rear sealing plate and is fixedly connected to the inner sealing plate, and the outer edge of the inner sealing plate is rotatably sleeved with the inner side of one end of the three-stage screen drum through a bearing;

[0018] A drive motor is fixedly installed on the outer side of the rear sealing plate.

[0019] Furthermore, the screening structure further comprises:

[0020] Obstruction bars are fixedly installed on the inner walls of the first-stage screen drum, the second-stage screen drum and the third-stage screen drum in a circular and equiangular arrangement.

[0021] Further, the cleaning structure includes:

[0022] An inner rotating shaft, one end of which is rotatably sleeved with the rear sealing plate and the middle portion of the inner sealing plate through a bearing;

[0023] A connecting rod, the connecting rod is fixedly mounted on the other end of the inner rotating shaft, and one end of the connecting rod is rotatably sleeved with the middle portion of the inner shaft support;

[0024] The toggle rods are fixedly mounted on the side surface of the inner shaft in a circular shape and arranged at equal angles.

[0025] Further, the cleaning structure further comprises:

[0026] A water delivery channel, the water delivery channel being opened inside the inner rotating shaft;

[0027] Water spray nozzles, the number of the water spray nozzles is several groups, the water spray nozzles are arranged in a circular manner at equal angles and embedded in the side surface of the inner rotating shaft, and are interconnected with the water delivery channel;

[0028] The external interface is rotatably mounted at an opening at one end of the water delivery channel through a sealing bearing and is located on the outer surface of the rear sealing plate.

[0029] Furthermore, the planetary gear transmission set includes:

[0030] A central gear, the central gear being fixedly sleeved on one end of the side surface of the inner rotating shaft;

[0031] A driving gear, which is fixedly mounted on the output end of the driving motor and meshes with the central gear on one side;

[0032] A three-stage gear ring, the three-stage gear ring is fixedly installed on the edge of one end of the three-stage screen drum, and the inner teeth of the three-stage gear ring are meshed with the driving gear;

[0033] There are six first-stage planetary gears, which are arranged in a ring with equal angles and are rotatably mounted on the inner surface of the rear cover plate. The first-stage planetary gears mesh with the outer teeth of the third-stage gear ring;

[0034] A secondary gear ring, the secondary gear ring is fixedly mounted on the edge of one end of the secondary screen drum, and the inner teeth of the secondary gear ring are meshed with the primary planetary gear;

[0035] Secondary planetary gears, the number of which is six and which are arranged in a ring with equal angles and rotatably mounted on the inner surface of the rear cover plate, the secondary planetary gears meshing with the outer teeth of the secondary gear ring;

[0036] A primary gear ring is fixedly mounted on an edge of one end of the primary screen drum, and inner teeth of the primary gear ring are meshed with the secondary planetary gear.

[0037] Compared with the prior art, the beneficial effects of the present invention are:

[0038] 1. First, put the mixed stones that need to be cleaned into the three-stage screen drum, and then flush the stones in the three-stage screen drum through the cleaning structure. The sieve holes of the three-stage screen drum, the two-stage screen drum and the one-stage screen drum are gradually reduced. The stones will pass through the three-stage screen drum, the two-stage screen drum and the one-stage screen drum in turn for multi-stage screening. At the same time, the stones and sediment that are too small will be washed through the screen drums at all levels by the water flow, fall on the bottom of the outer drum and are finally flushed out. In the process of flushing, the stone specifications are screened to improve the quality of the stone and eliminate the subsequent screening of the stone. At the same time, the planetary gear transmission group controls the three screen drums and the cleaning structure to rotate relatively synchronously, and the rotation direction changes alternately from inside to outside, constantly turning over the stones to improve the flushing effect and screening effect, and avoid excessive humidity. The stones will stick to each other under the action of wet mud, affecting the screening effect.

[0039] 2. When the inner shaft rotates, the stones inside the three-stage screen drum are dispersed by toggling the rod, thereby improving the flushing and screening effects. At the same time, the water supply pipe is connected to the external interface, and water is supplied to each water nozzle through the water supply channel for spraying. The centrifugal force generated by the rotation of the inner shaft increases the impact force and range of the water spray, thereby improving the flushing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0041] Figure 2 This is a cross-sectional view of the overall structure of the utility model;

[0042] Figure 3 It is a schematic diagram of the device housing in the utility model;

[0043] Figure 4 This is a schematic diagram of the structure of the intermediate screen of the utility model;

[0044] Figure 5 This is a schematic diagram of the cleaning structure of the utility model;

[0045] Figure 6 It is a schematic diagram of the planetary gear transmission group in the utility model.

[0046] In the figure: 1. Equipment casing; 101. Outer cylinder; 102. Support leg column; 103. Multi-stage outlet; 104. Inner shaft support; 105. Rear sealing plate; 106. Feed inlet; 107. Inner sealing plate; 108. Drive motor; 2. Screening structure; 201. Primary screen cylinder; 202. Secondary screen cylinder; 203. Third-stage screen cylinder; 204. Obstruction bar; 3. Cleaning structure; 301. Inner rotating shaft; 302. Connecting rod; 303. Toggle rod; 304. Water delivery channel; 305. Water spray outlet; 306. External interface; 4. Planetary gear transmission group; 401. Center gear; 402. Drive gear; 403. Third-stage gear ring; 404. Primary planetary gear; 405. Secondary gear ring; 406. Secondary planetary gear; 407. Primary gear ring. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0048] See also Figure 1-6 In an embodiment of the present invention, a stone washing machine for convenient screening of stones includes an equipment housing 1, a screening structure 2, a cleaning structure 3 and a planetary gear transmission group 4. The equipment housing 1 includes an outer cylinder 101; the screening structure 2 is rotatably sleeved inside the outer cylinder 101, and the screening structure 2 includes a first-level screen drum 201, and the edge of one end of the inner side of the first-level screen drum 201 is rotatably mounted with a second-level screen drum 202 through a bearing, and the edge of one end of the inner side of the second-level screen drum 202 is rotatably mounted with a third-level screen drum 203 through a bearing, and the outer edges of the other ends of the first-level screen drum 201, the second-level screen drum 202 and the third-level screen drum 203 are rotatably sleeved with the inner wall of the outer cylinder 101 through bearings; the cleaning structure 3 is rotatably mounted inside the outer cylinder 101, and the cleaning structure 3 passes through the middle of the third-level screen drum 203 on both sides; the planetary gear transmission group 4 is fixedly mounted on one side of the screening structure 2.

[0049] Specifically, the mixed stones that need to be cleaned are first put into the three-stage screen drum 203, and the stones in the three-stage screen drum 203 are washed by the cleaning structure 3. The sieve holes of the three-stage screen drum 203, the two-stage screen drum 202 and the one-stage screen drum 201 are gradually reduced, and the stones will pass through the three-stage screen drum 203, the two-stage screen drum 202 and the one-stage screen drum 201 in turn for multi-stage screening. At the same time, too fine stones and mud will be washed through the screen drums at all levels by the water flow, fall on the bottom of the outer drum 101 and are finally washed out. In the process of washing, the stone specifications are screened, the stone quality is improved, and the subsequent screening work of the stones is omitted. At the same time, the planetary gear transmission group 4 drives the three screen drums and the cleaning structure 3 to rotate relatively synchronously, and the rotation direction changes alternately from inside to outside, and the stones are constantly turned over, thereby improving the washing effect and the screening effect, and avoiding excessive humidity, and the stones sticking to each other under the action of wet mud, affecting the screening effect.

[0050] Example 1

[0051] like Figure 1-3 As shown, in this embodiment, the equipment housing 1 also includes support legs 102, a multi-stage outlet 103, and an inner shaft support frame 104. The support legs 102 are fixedly installed on both sides of the outer cylinder 101 near the two ends; the multi-stage outlet 103 is opened at the bottom edge of the opening of the outer cylinder 101; the inner shaft support frame 104 is fixedly installed at the opening of the outer cylinder 101; the screening structure 2 also includes obstruction bars 204, and the inner walls of the first-stage screen cylinder 201, the second-stage screen cylinder 202 and the third-stage screen cylinder 203 are all arranged in a circular shape at equal angles and fixed with obstruction bars 204.

[0052] In this embodiment, the supporting leg columns 102 support the entire structure in an inclined state, and the end where the multi-stage outlet 103 is located is at the bottom of the inclined state, which is convenient for the discharge of stones, mud and water. The mud and stones in the first-stage screen drum 201, the second-stage screen drum 202 and the outer drum 101 are directly discharged from the respective outlets at the multi-stage outlet 103, and the stones in the third-stage screen drum 203 are directly discharged from the opening on one side of the third-stage screen drum 203. When each screen drum rotates for screening, the obstruction bar 204 in the drum provides obstruction to the sliding stones, thereby extending the time the stones stay in the drum so that the stones can be fully washed and screened.

[0053] like Figure 2 、 Figure 3 and Figure 5As shown, in this embodiment, the device housing 1 also includes a rear sealing plate 105, a feed port 106 and a drive motor 108. The rear sealing plate 105 is fixedly mounted on one end of the outer cylinder 101; the feed port 106 is fixedly mounted on the outside of the rear sealing plate 105, and one end of the feed port 106 opens through the rear sealing plate 105 and is fixedly connected to an inner sealing plate 107. The outer edge of the inner sealing plate 107 is rotatably sleeved with the inner side of one end of the three-stage screen drum 203 through a bearing; the drive motor 108 is fixedly mounted on the outside of the rear sealing plate 105; the cleaning structure 3 includes an inner rotating shaft 301, a connecting rod 302, a toggle rod 303, a water delivery channel 304, a water spray port 305 and an external interface 306. One end of the inner rotating shaft 301 is connected to the inner side of the three-stage screen drum 203. It is rotatably connected to the middle part of the rear sealing plate 105 and the inner sealing plate 107 through a bearing; the connecting rod 302 is fixedly installed on the other end of the inner rotating shaft 301, and one end of the connecting rod 302 is rotatably connected to the middle part of the inner shaft support 104; the side surface of the inner rotating shaft 301 is fixedly installed with several groups of toggle rods 303 arranged in a circular manner at equal angles; the water supply channel 304 is opened inside the inner rotating shaft 301; there are several groups of water spray outlets 305, and several groups of water spray outlets 305 are embedded in the side surface of the inner rotating shaft 301 in a circular manner at equal angles, and are connected to the water supply channel 304; the external interface 306 is rotatably installed at the opening at one end of the water supply channel 304 through a sealed bearing, and is located on the outer surface of the rear sealing plate 105.

[0054] During specific implementation, when the inner rotating shaft 301 rotates, the stones inside the three-stage screen drum 203 are not stopped by the toggle rod 303, and the stones inside the three-stage screen drum 203 are dispersed to improve the flushing and screening effects. At the same time, the water supply pipe is connected to the external interface 306, and water is supplied to each water nozzle 305 through the water supply channel 304 for spraying out. The centrifugal force generated by the rotation of the inner rotating shaft 301 increases the impact force and range of the water spray, thereby improving the flushing effect.

[0055] Example 2

[0056] On the basis of the first embodiment, in order to supplement the specific rotation modes of the first-stage sieve drum 201 , the second-stage sieve drum 202 , the third-stage sieve drum 203 and the inner rotating shaft 301 which are not mentioned in the first embodiment.

[0057] like Figure 2 and Figure 6As shown, in this embodiment, the planetary gear transmission group 4 includes a central gear 401, a driving gear 402, a three-stage gear ring 403, a first-stage planetary gear 404, a second-stage gear ring 405, a second-stage planetary gear 406 and a first-stage gear ring 407. The central gear 401 is fixedly sleeved on one end of the side surface of the inner rotating shaft 301; the driving gear 402 is fixedly installed at the output end of the driving motor 108, and one side of the driving gear 402 is meshed with the central gear 401; the three-stage gear ring 403 is fixedly installed on the edge of one end of the three-stage screen drum 203, and the inner teeth of the three-stage gear ring 403 are meshed with the driving gear 402; the number of the first-stage planetary gears 404 is six, and they are arranged in a circle. The first-stage planetary gear 404 is rotatably mounted on the inner surface of the rear sealing plate 105 in an annular equiangular arrangement, and the outer teeth of the third-stage gear ring 403 are meshed with each other; the second-stage gear ring 405 is fixedly mounted on the edge of one end of the second-stage screen drum 202, and the inner teeth of the second-stage gear ring 405 are meshed with the first-stage planetary gear 404; there are six second-stage planetary gears 406, which are rotatably mounted on the inner surface of the rear sealing plate 105 in an annular equiangular arrangement, and the outer teeth of the second-stage planetary gear 406 are meshed with each other; the first-stage gear ring 407 is fixedly mounted on the edge of one end of the first-stage screen drum 201, and the inner teeth of the first-stage gear ring 407 are meshed with the second-stage planetary gear 406.

[0058] During specific implementation, the driving motor 108 is used to rotate the driving gear 402, and at the same time, the central gear 401 and the three-stage gear ring 403 are rubbed, so that the three-stage screen drum 203 and the inner rotating shaft 301 are relatively synchronous and rotated in the opposite direction, and then the first-stage planetary gear 404 is used to drive the second-stage gear ring 405, so that the second-stage screen drum 202 is relatively synchronous and rotated in the opposite direction compared with the three-stage screen drum 203, and finally the second-stage planetary gear 406 is used to drive the first-stage gear ring 407, so that the first-stage screen drum 201 is synchronously rotated in the opposite direction compared with the second-stage screen drum 202, and the planetary gear transmission group 4 is used to drive the motor 108 as a single power source to simultaneously drive each screen drum and the inner rotating shaft 301, and control the rotation direction of each screen drum and the inner rotating shaft 301, so as to ensure the working effect while effectively reducing the overall equipment cost.

[0059] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0060] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A stone washing machine for conveniently screening stones, characterized in that: include: A device housing (1), the device housing (1) comprising an outer cylinder (101); A screening structure (2), the screening structure (2) being rotatably sleeved inside the outer cylinder (101), the screening structure (2) comprising a first-stage screen cylinder (201), a second-stage screen cylinder (202) being rotatably mounted on an edge of one end of the first-stage screen cylinder (201) via a bearing, a third-stage screen cylinder (203) being rotatably mounted on an edge of one end of the second-stage screen cylinder (202), and the other outer edges of the first-stage screen cylinder (201), the second-stage screen cylinder (202), and the third-stage screen cylinder (203) being rotatably sleeved on the inner wall of the outer cylinder (101) via a bearing; A cleaning structure (3), the cleaning structure (3) is rotatably mounted inside the outer cylinder (101), and the cleaning structure (3) penetrates the middle of the third-stage sieve cylinder (203) in both sides; A planetary gear transmission group (4), wherein the planetary gear transmission group (4) is fixedly installed on one side of the screening structure (2).

2. The stone washing machine for convenient stone screening according to claim 1 is characterized in that: The device housing (1) further comprises: Support leg columns (102), wherein the support leg columns (102) are fixedly installed on both sides of the outer cylinder (101) near both ends; A multi-stage outlet (103), wherein the multi-stage outlet (103) is provided at the bottom edge of the opening of the outer cylinder (101); An inner shaft support frame (104) is fixedly installed at the opening of the outer cylinder (101).

3. The stone washing machine for convenient stone screening according to claim 2 is characterized in that: The device housing (1) further comprises: A rear sealing plate (105), wherein the rear sealing plate (105) is fixedly mounted on one end of the outer cylinder (101); A feed port (106), the feed port (106) is fixedly mounted on the outside of the rear sealing plate (105), one end of the feed port (106) opens through the rear sealing plate (105) and is fixedly connected to an inner sealing plate (107), and the outer edge of the inner sealing plate (107) is rotatably sleeved with the inner side of one end of the third-stage screen drum (203) via a bearing; A driving motor (108) is fixedly mounted on the outside of the rear sealing plate (105).

4. The stone washing machine for convenient stone screening according to claim 3 is characterized in that: The screening structure (2) further comprises: Obstruction bars (204) are fixedly installed on the inner walls of the first-stage sieve drum (201), the second-stage sieve drum (202) and the third-stage sieve drum (203) at equal intervals arranged in a spiral path.

5. The stone washing machine for convenient stone screening according to claim 4 is characterized in that: The cleaning structure (3) comprises: An inner rotating shaft (301), one end of which is rotatably sleeved with the rear sealing plate (105) and the middle portion of the inner sealing plate (107) via a bearing; A connecting rod (302), wherein the connecting rod (302) is fixedly mounted on the other end of the inner rotating shaft (301), and one end of the connecting rod (302) is rotatably sleeved with the middle portion of the inner shaft support (104); The toggle rods (303) are fixedly mounted on the side surface of the inner rotating shaft (301) in a circular shape and arranged at equal angles.

6. The stone washing machine for convenient stone screening according to claim 5, characterized in that: The cleaning structure (3) further comprises: A water delivery channel (304), wherein the water delivery channel (304) is opened inside the inner rotating shaft (301); Water spraying ports (305), the water spraying ports (305) are arranged in a circular shape at equal angles and embedded in the side surface of the inner rotating shaft (301), and are interconnected with the water delivery channel (304); The external interface (306) is rotatably mounted at an opening at one end of the water delivery channel (304) via a sealing bearing and is located on the outer surface of the rear sealing plate (105).

7. The stone washing machine for convenient stone screening according to claim 6, characterized in that: The planetary gear transmission set (4) comprises: A central gear (401), wherein the central gear (401) is fixedly sleeved on one end of the side surface of the inner rotating shaft (301); A driving gear (402), wherein the driving gear (402) is fixedly mounted on the output end of the driving motor (108), and one side of the driving gear (402) is meshed with the central gear (401); A third-stage gear ring (403), wherein the third-stage gear ring (403) is fixedly mounted on an edge of one end of the third-stage screen drum (203), and the inner teeth of the third-stage gear ring (403) are meshed with the driving gear (402); The first-stage planetary gears (404) are six in number and are arranged in a ring with equal angles and are rotatably mounted on the inner surface of the rear sealing plate (105). The first-stage planetary gears (404) are meshed with the outer teeth of the third-stage gear ring (403); A secondary gear ring (405), wherein the secondary gear ring (405) is fixedly mounted on an edge of one end of the secondary screen drum (202), and the inner teeth of the secondary gear ring (405) are meshed with the primary planetary gear (404); Secondary planetary gears (406), the number of the secondary planetary gears (406) is six, and the secondary planetary gears (406) are arranged in an annular manner with equal angles and are rotatably mounted on the inner surface of the rear sealing plate (105), and the secondary planetary gears (406) are meshed with the outer teeth of the secondary gear ring (405); A primary gear ring (407) is fixedly mounted on an edge of one end of the primary screen drum (201), and inner teeth of the primary gear ring (407) are meshed with the secondary planetary gear (406).

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