Crusher with multi-layer screening structure

Abstract

The utility model discloses a crusher with a multi-layer screening structure. The crusher comprises a replacement mechanism, and the bottom side of the replacement mechanism is fixedly connected to the top end of a first rack; a reciprocating mechanism and a driving motor mounted on one side of the reciprocating mechanism are arranged below the replacing mechanism; the device further comprises a crushing bin, a screening frame is arranged below the crushing bin, connecting plates are connected to the left side and the right side of the top of the screening frame in a clamped mode, and fixing blocks are fixedly connected to the centers of the interiors of the connecting plates. Wherein a connecting block is slidably connected to the center of the interior of the fixing block, a first spring is fixedly connected to one end of the connecting block, by arranging the replacing mechanism, the screen cloth can be replaced, meanwhile, materials of three specifications can be screened out at a time, and the working efficiency is improved; and the reciprocating mechanism is arranged to quickly drive the screening frame to move left and right, so that the materials are screened.

Description

Technical Field

[0001] The utility model relates to the technical field of crushers, in particular to a crusher with a multi-layer screening structure. Background Art

[0002] A crusher is a mechanical device used to crush objects, materials or substances into smaller particles. These devices are widely used in many different industries and fields, including construction, mining, metallurgy, chemical industry, recycling and environmental protection. The working principle of a crusher is usually to place the material in a cavity with a solid surface or metal component, and then compress, impact or cut the material into smaller particles or fragments by applying pressure or force.

[0003] Publication No. CN220590192U discloses a crusher with a multi-layer screening structure. Through the crushing device and the screening device, the crushing and screening operations of the material can be efficiently completed in the same device, so as to obtain finished products of various particle sizes. This integrated design makes the entire device compact and coordinated, which is conducive to saving equipment investment and floor space, and improving processing efficiency. However, the patent still has the following problems in actual use:

[0004] Although this multi-layer screening structure crusher can efficiently complete the crushing and screening operations of materials in the same equipment through the crushing device and the screening device, thereby obtaining finished products of various particle sizes, the filter is fixedly connected and is easily clogged after long-term use, thereby reducing the screening effect of the filter.

[0005] A crusher with a multi-layer screening structure is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a crusher with a multi-layer screening structure to solve the problem raised in the above-mentioned background technology that the crushing and screening operations of materials can be efficiently completed in the same equipment through a crushing device and a screening device, thereby obtaining finished products of various different particle sizes, but the filter screen is fixedly connected and is easily clogged after long-term use, thereby reducing the problem of the screening effect of the filter screen.

[0007] To achieve the above object, the utility model provides the following technical solution: a crusher with a multi-layer screening structure, comprising a replacement mechanism, and the bottom side of the replacement mechanism is fixedly connected to the top end of the first rack;

[0008] A reciprocating mechanism and a driving motor installed on one side of the reciprocating mechanism are provided below the replacement mechanism;

[0009] Also includes:

[0010] The replacement mechanism comprises a crushing bin, a screening frame is arranged below the crushing bin, connecting plates are engaged and connected on both left and right sides of the top of the screening frame, and a fixing block is fixedly connected to the center position of the connecting plate;

[0011] Among them, a connecting block is slidably connected to the center position inside the fixed block, one end of the connecting block is fixedly connected to the first spring, both sides of the connecting block close to the first spring are fixedly connected to rubber blocks, and the top end of the first spring is fitted with a cap;

[0012] The inner wall of the cap is slidably connected to the connecting block, the outer side of the cap is slidably connected to the fixing block, and both sides of the cap away from one end of the first spring are fitted with balls.

[0013] Preferably, one side of the sphere is fitted and connected to the connecting block, and the other side of the sphere is fitted and connected to a fixing ring, and the outer side of the fixing ring is fixedly connected to the fixing block.

[0014] Preferably, a second spring is sleeved on the outer side of the connecting block close to the fixing ring, a limiting groove is opened inside the connecting block away from one end of the first spring, a snap-in block is slidably connected to the center position inside the limiting groove, and steel balls are fitted and connected to the left and right sides of the snap-in block.

[0015] Preferably, a first screen is fixedly connected to one end of the snap-in block, a second screen is arranged inside the first screen, the top of the second screen is snap-connected to a connecting plate, and a pin is inserted and connected to one end of the connecting plate away from the second screen.

[0016] Preferably, the reciprocating mechanism includes a support plate, a support rod is fixedly connected to the center position of the bottom of the support plate, one side of the support rod is fixedly connected to the drive motor, the output end of the drive motor passes through the support rod and is fixedly connected to a connecting rod, and one end of the connecting rod is slidably connected to a limiting rod.

[0017] Preferably, the bottom end of the limit rod is rotatably connected to the support rod, a first groove is opened at the center position inside the support plate, a first cylinder is slidably connected inside the first groove, a second groove is opened above the support plate near the first groove, and a second cylinder is slidably connected inside the second groove.

[0018] Preferably, a first rack is fixedly connected to the outer side of the second cylinder, one side of the first rack is meshed with a gear, the center position inside the gear is fixedly connected to the first cylinder, the side of the gear away from the first rack is meshed with a second rack, and one side of the second rack is fixedly connected to the support plate.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the crusher with a multi-layer screening structure can not only replace the screen by setting a replacement mechanism, but also can screen out three specifications of materials at a time, thereby improving the working efficiency; and can quickly drive the screening frame to move left and right by setting a reciprocating mechanism, thereby screening the materials. The specific contents are as follows:

[0020] 1. By setting up a replacement mechanism, not only can the screen be replaced, but also three specifications of materials can be screened at one time, which improves work efficiency. The connection plate can be fixed by the limiting effect of the latch, so that the first screen and the second screen can be fixed. The first spring and the second spring are compressed by pressing the cap downward. At the same time, the connection block can be driven to move upward in the fixed block by the cooperation among the ball, the fixing ring, the connecting block and the cap, so that the limiting position of the fixed block on the steel ball can be released, so that the clamping block and the steel ball can be separated, so that the first screen can be disassembled. The different specifications of the first screen and the second screen can be used to screen out materials of different sizes;

[0021] 2. By setting up a reciprocating mechanism, the screening frame can be quickly driven to move left and right, so as to screen the materials. The connecting rod is driven to rotate by the driving motor, and the limiting effect of the support rod on the limiting rod is utilized, so that the connecting rod drives the limiting rod to swing left and right. At the same time, the limiting effect of the first groove on the first cylinder is utilized to drive the gear to move left and right in the first groove. The meshing effect between the gear and the second rack is utilized to drive the gear to rotate. The meshing effect between the gear and the first rack is utilized to drive the first rack to move left and right in the second groove, so that the screening frame can be driven to move left and right to screen the materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front cross-section structure of the utility model;

[0023] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure of the reciprocating mechanism;

[0024] Figure 3 This is a schematic diagram of the structure of the first rack in the utility model in a moving state;

[0025] Figure 4 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0026] Figure 5 It is a schematic diagram of the structure of the first spring and the second spring in the compressed state of the utility model.

[0027] In the figure: 1. replacement mechanism; 101. crushing bin; 102. screening frame; 103. connecting plate; 104. fixing block; 105. connecting block; 106. first spring; 107. rubber block; 108. cap; 109. ball; 110. fixing ring; 111. second spring; 112. limiting groove; 113. clamping block; 114. steel ball; 115. first screen; 116. second screen; 117. latch; 2. reciprocating mechanism; 201. support plate; 202. support rod; 203. driving motor; 204. connecting rod; 205. limiting rod; 206. first groove; 207. first cylinder; 208. second groove; 209. second cylinder; 210. first rack; 211. gear; 212. second rack. DETAILED DESCRIPTION

[0028] 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 implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0029] See also Figure 1-5 The utility model provides a technical solution: a crusher with a multi-layer screening structure, comprising a replacement mechanism 1, and the bottom side of the replacement mechanism 1 is fixedly connected to the top of the first rack 210; a reciprocating mechanism 2 and a driving motor 203 installed on one side of the reciprocating mechanism 2 are arranged below the replacement mechanism 1; the replacement mechanism 1 comprises a crushing bin 101, a screening frame 102 is arranged below the crushing bin 101, and the left and right sides of the top of the screening frame 102 are both connected with connecting plates 103, and the center position of the connecting plate 103 is fixedly connected with a fixing block 104, and the first screen 115 and the second screen 116 are conveniently disassembled and cleaned by setting the connecting plate 103;

[0030] A connecting block 105 is slidably connected to the center of the fixed block 104, one end of the connecting block 105 is fixedly connected to a first spring 106, both sides of the connecting block 105 close to the first spring 106 are fixedly connected to rubber blocks 107, and the top of the first spring 106 is fitted with a cap 108. By setting the first spring 106, the cap 108 can be in a relaxed state.

[0031] The inner wall of the cap 108 is slidably connected to the connecting block 105, and the outer side of the cap 108 is slidably connected to the fixing block 104. Both sides of the cap 108 away from the end of the first spring 106 are fitted with balls 109. By setting the balls 109, the position of the connecting block 105 in the fixing block 104 can be changed.

[0032] One side of the ball 109 is closely connected to the connecting block 105, and the other side of the ball 109 is closely connected to a fixing ring 110, and the outer side of the fixing ring 110 is fixedly connected to the fixing block 104. By setting the fixing ring 110, the range of movement of the ball 109 can be limited;

[0033] A second spring 111 is sleeved on the outer side of the connecting block 105 close to the fixing ring 110, and a limiting groove 112 is provided inside the connecting block 105 away from the end of the first spring 106. A clamping block 113 is slidably connected to the center position of the limiting groove 112, and steel balls 114 are fitted and connected to the left and right sides of the clamping block 113. The second spring 111 can ensure that the fixing block 104 limits the steel ball 114 in a normal state;

[0034] One end of the clamping block 113 is fixedly connected with a first screen 115, a second screen 116 is arranged inside the first screen 115, the top of the second screen 116 is clamped and connected with the connecting plate 103, and one end of the connecting plate 103 away from the second screen 116 is inserted and connected with a latch 117, and the latch 117 is connected with the screening frame 102;

[0035] The reciprocating mechanism 2 includes a support plate 201, a support rod 202 is fixedly connected to the center of the bottom of the support plate 201, one side of the support rod 202 is fixedly connected to the driving motor 203, the output end of the driving motor 203 passes through the support rod 202 and is fixedly connected to a connecting rod 204, one end of the connecting rod 204 is slidably connected to a limit rod 205, and the connecting rod 204 is driven to rotate by the driving motor 203;

[0036] The bottom end of the limiting rod 205 is rotatably connected to the support rod 202. A first groove 206 is provided at the center of the support plate 201. A first cylinder 207 is slidably connected inside the first groove 206. A second groove 208 is provided above the support plate 201 near the first groove 206. A second cylinder 209 is slidably connected inside the second groove 208. The second cylinder 209 is slidably connected to the limiting rod 205.

[0037] A first rack 210 is fixedly connected to the outer side of the second cylinder 209, a gear 211 is meshedly connected to one side of the first rack 210, the center position inside the gear 211 is fixedly connected to the first cylinder 207, a second rack 212 is meshedly connected to the side of the gear 211 away from the first rack 210, and one side of the second rack 212 is fixedly connected to the support plate 201, and the meshing action between the gear 211 and the second rack 212 is utilized to drive the gear 211 to rotate, and the meshing action between the gear 211 and the first rack 210 is utilized to drive the first rack 210 to move left and right in the second groove 208, thereby driving the screening frame 102 to move left and right to screen the material.

[0038] Working principle: Before using this multi-layer screening structure crusher, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 5 As shown, first, the material is poured into the crushing bin 101 for crushing, and then falls into the second screen 116, and then the driving motor 203 is started to drive the connecting rod 204 to rotate, and the limiting effect of the support rod 202 on the limiting rod 205 is utilized, so that the connecting rod 204 drives the limiting rod 205 to swing left and right, and at the same time, the limiting effect of the first groove 206 on the first cylinder 207 is utilized, so as to drive the gear 211 to move left and right in the first groove 206, and the meshing effect between the gear 211 and the second rack 212 is utilized to drive the gear 211 to rotate, and the meshing effect between the gear 211 and the first rack 210 is utilized to drive the first rack 210 to move left and right in the second groove 208, so as to drive the screening frame 102 to move left and right to screen the material;

[0039] Secondly, when the second screen 115 needs to be replaced, first pull out the pin 117 to remove the connecting plate 103 from the screening frame 102, then press the cap 108 downward to compress the first spring 106 and the second spring 111, and at the same time, utilize the cooperation between the ball 109, the fixing ring 110, the connecting block 105 and the cap 108 to drive the connecting block 105 to move upward in the fixing block 104, so as to release the limiting position of the fixing block 104 on the steel ball 114, so that the clamping block 113 and the steel ball 114 are disengaged, and the first screen 115 can be disassembled.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A crusher with a multi-layer screening structure, comprising a replacement mechanism (1), wherein the bottom side of the replacement mechanism (1) is fixedly connected to the top end of a first rack (210); A reciprocating mechanism (2) and a driving motor (203) installed on one side of the reciprocating mechanism (2) are provided below the replacement mechanism (1); It is characterized in that Also includes: The replacement mechanism (1) comprises a crushing bin (101), a screening frame (102) is arranged below the crushing bin (101), connecting plates (103) are snap-connected to the left and right sides of the top of the screening frame (102), and a fixing block (104) is fixedly connected to the center position of the connecting plate (103); A connecting block (105) is slidably connected to the center of the fixed block (104); one end of the connecting block (105) is fixedly connected to a first spring (106); both sides of the connecting block (105) close to the first spring (106) are fixedly connected to rubber blocks (107); and a cap (108) is fitted on the top of the first spring (106); The inner wall of the cover cap (108) is slidably connected to the connecting block (105), the outer side of the cover cap (108) is slidably connected to the fixing block (104), and both sides of the cover cap (108) away from the end of the first spring (106) are fitted with balls (109).

2. A crusher with a multi-layer screening structure according to claim 1, characterized in that: One side of the sphere (109) is fitted and connected to the connection block (105), and the other side of the sphere (109) is fitted and connected to a fixing ring (110), and the outer side of the fixing ring (110) is fixedly connected to the fixing block (104).

3. A crusher with a multi-layer screening structure according to claim 2, characterized in that: A second spring (111) is sleeved on the outer side of the connecting block (105) close to the fixing ring (110), and a limiting groove (112) is provided inside the connecting block (105) away from one end of the first spring (106), a clamping block (113) is slidably connected to the center position inside the limiting groove (112), and steel balls (114) are fitted and connected to the left and right sides of the clamping block (113).

4. A crusher with a multi-layer screening structure according to claim 3, characterized in that: One end of the clamping block (113) is fixedly connected to a first screen (115), a second screen (116) is arranged inside the first screen (115), the top end of the second screen (116) is clamped and connected to the connecting plate (103), and a latch (117) is inserted and connected to one end of the connecting plate (103) away from the second screen (116).

5. The crusher with a multi-layer screening structure according to claim 1, characterized in that: The reciprocating mechanism (2) comprises a support plate (201), a support rod (202) being fixedly connected at the center position of the bottom of the support plate (201), one side of the support rod (202) being fixedly connected to a drive motor (203), an output end of the drive motor (203) passing through the support rod (202) and being fixedly connected to a connecting rod (204), one end of the connecting rod (204) being slidably connected to a limiting rod (205).

6. A crusher with a multi-layer screening structure according to claim 5, characterized in that: The bottom end of the limiting rod (205) is rotatably connected to the supporting rod (202); a first groove (206) is provided at the center position inside the supporting plate (201); a first cylinder (207) is slidably connected inside the first groove (206); a second groove (208) is provided above the supporting plate (201) near the first groove (206); a second cylinder (209) is slidably connected inside the second groove (208).

7. A crusher with a multi-layer screening structure according to claim 6, characterized in that: The outer side of the second cylinder (209) is fixedly connected to a first rack (210), one side of the first rack (210) is meshedly connected to a gear (211), the center position inside the gear (211) is fixedly connected to the first cylinder (207), the side of the gear (211) away from the first rack (210) is meshedly connected to a second rack (212), and one side of the second rack (212) is fixedly connected to the support plate (201).

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