Crushing device for pretreatment of chemical raw materials

Abstract

The utility model relates to a chemical raw material pretreatment crushing device and belongs to the technical field of chemical production. The device comprises a crushing box, a crushing mechanism is arranged on the upper portion in the crushing box, a filter plate is arranged on the lower portion in the crushing box, a rolling mechanism is arranged between the crushing mechanism and the filter plate and comprises a reciprocating lead screw, and one end of the reciprocating lead screw is rotationally connected with the side wall of the crushing box; and the other end of the reciprocating lead screw penetrates through the side wall of the crushing box and is rotationally connected with the crushing box, the reciprocating lead screw is in threaded connection with a threaded sleeve, the threaded sleeve is rotationally connected with a pressing roller through a connecting rod, and a filtering plate is matched below the pressing roller. According to the chemical raw material crushing device, chemical raw materials are crushed through the crushing mechanism, the preliminarily crushed chemical raw materials fall to the filtering plate, the reciprocating lead screw rotates to drive the threaded sleeve to slide in a reciprocating mode, and then the pressing roller is driven to further grind the chemical raw materials which are not completely crushed; the chemical raw materials can be fully and thoroughly crushed, and meanwhile accumulation of the chemical raw materials which are not fully crushed on the filter plate cannot be caused.

Description

Technical Field

[0001] The utility model belongs to the technical field of chemical production, and in particular relates to a chemical raw material pretreatment and crushing device. Background Art

[0002] In the chemical production process, in order to allow the chemical raw materials to fully react in the reactor and increase the reaction rate, it is usually necessary to crush and pre-treat the compacted or blocky chemical raw materials. Therefore, crushing and pre-treating chemical raw materials is an indispensable procedure in the chemical production process.

[0003] In the prior art, a utility model with publication number CN212142792U discloses a hard block crushing and refining device for chemical raw materials, which includes a shell, a crushing roller is arranged inside the shell, a first bearing is clamped on the front of the inner wall of the shell, a first rotating shaft is sleeved inside the first bearing, one end of the front of the first rotating shaft is fixedly connected to the crushing roller, and a screen barrel is arranged below the crushing roller. The device can preliminarily crush the chemical raw materials through the crushing roller, and reciprocate the screen barrel left and right through the turntable to collide and crush the chemical raw materials that are not completely crushed on the screen barrel, but the shaking of the screen barrel can only have a crushing effect on some of the chemical raw materials that are not completely crushed, and the chemical raw materials will also move left and right when the screen plate moves left and right, and the collision force is small, resulting in that the chemical raw materials are still not fully and thoroughly crushed. The incomplete crushing of the chemical raw materials also causes the blockage of the screen holes of the screen barrel. Utility Model Content

[0004] In order to solve the technical problem of insufficient and thorough crushing of chemical raw materials in the above-mentioned background technology, the utility model provides a chemical raw material pretreatment crushing device.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A chemical raw material pretreatment crushing device comprises a crushing box, a crushing mechanism is arranged on the upper part of the crushing box, a filter plate is arranged on the lower part of the crushing box, the peripheral side of the filter plate is fixedly connected to the crushing box, a rolling mechanism is arranged between the crushing mechanism and the filter plate, and a linkage mechanism is arranged on one side of the rolling mechanism.

[0007] The wheelbase is shortened and the shifting mechanism is adapted to move the rollers forward along the length of the wheelbase, wherein the rollers are adapted to move the rollers forward along the length of the wheelbase, the rollers being adapted to move the rollers forward along the length of the wheelbase, and the rollers being adapted to move the rollers forward along the length of the wheelbase.

[0008] Furthermore, dust covers are provided around the reciprocating screw and the slide rod, and both ends of the dust covers are fixedly connected to the inner wall of the crushing box, so as to prevent the crushed chemical raw materials from falling onto the reciprocating screw and affecting the sliding of the threaded cover.

[0009] Furthermore, the crushing mechanism includes two crushing rollers arranged in parallel, one end of the crushing roller shaft is rotatably connected to the side wall of the crushing box, the other end of the crushing roller shaft passes through the side wall of the crushing box and is fixedly installed with a gear, the two gears are meshed, and a driven pulley is also fixedly installed on the shaft of one of the crushing rollers. The chemical raw materials can be initially crushed.

[0010] Furthermore, the top of the crushing box is fixedly connected to a feed hopper, and the bottom of the crushing box is fixedly connected to a discharge port. Chemical raw materials enter the crushing box through the feed hopper for crushing and crushing, and are discharged from the discharge port after crushing and crushing.

[0011] Furthermore, the linkage mechanism includes a motor, a driving pulley is fixedly mounted on the output end of the motor, the driving pulley is connected to the driven pulley through a belt, and the output end of the motor is also fixedly connected to the reciprocating screw. It can be achieved that the chemical raw materials can be initially crushed by one motor while the chemical raw materials that are not completely crushed can be crushed, thus saving energy consumption.

[0012] Beneficial effects of the utility model:

[0013] The utility model provides a crushing mechanism inside the crushing box, in which a reciprocating screw and a sliding rod matched with a sliding sleeve are provided, the reciprocating screw is provided with a threaded sleeve, and the sliding sleeve and the threaded sleeve are provided with a pressing roller through a connecting rod, and the one-way rotation of the reciprocating screw can realize the reciprocating sliding of the threaded sleeve on the reciprocating screw, thereby realizing that the pressing roller can roll back and forth on the filter plate, further crushing the chemical raw materials that are not completely crushed on the filter plate, and falling to the discharge port after being crushed into small pieces, thereby achieving the effect of sufficient and thorough crushing, and at the same time will not cause the accumulation of chemical raw materials that are not fully crushed on the filter plate.

[0014] The crushing mechanism and the rolling mechanism of the utility model share a motor, which can realize the preliminary crushing of chemical raw materials by the crushing mechanism, and further crushing of incompletely crushed chemical raw materials on the filter plate by the rolling mechanism, thereby achieving the effect of full and thorough crushing and energy saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 This is a schematic diagram of the internal structure of the chemical raw material pretreatment and crushing device of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the linkage mechanism of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the rolling mechanism of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the reciprocating screw of the utility model;

[0020] Figure 5 It is a schematic diagram of the internal structure of the utility model from a top view.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 1. Crushing box; 101. Feed hopper; 102. Discharge port; 103. Filter plate; 2. Crushing mechanism; 201. Crushing roller; 202. Gear; 3. Rolling mechanism; 301. Reciprocating screw; 302. Threaded sleeve; 303. Sliding rod; 304. Sliding sleeve; 305. Connecting rod; 306. Pressing roller; 307. Dust cover; 4. Linkage mechanism; 401. Motor; 402. Driving pulley; 403. Driven pulley; 404. Belt. DETAILED DESCRIPTION

[0023] 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 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.

[0024] See also Figure 1-Figure 5 As shown, the chemical raw material pretreatment crushing device comprises a crushing box 1, the top of the crushing box 1 is fixedly connected to a feed hopper 101, the bottom top of the crushing box 1 is fixedly connected to a discharge port 102, a filter plate 103 is arranged above the discharge port 102, and the filter plate 103 is fixedly connected to the crushing box 1 around. A crushing mechanism 2 is arranged above the crushing box 1, a rolling mechanism 3 is arranged between the crushing mechanism 2 and the filter plate 103, and a linkage mechanism 4 is arranged on one side of the rolling mechanism 3.

[0025] The crushing mechanism 2 includes two crushing rollers 201 arranged in parallel. One end of the rotating shaft of the crushing roller 201 is rotatably connected to the side wall of the crushing box 1. The other end of the rotating shaft of the crushing roller 201 passes through the side wall of the crushing box 1 and is fixedly installed with a gear 202. The two gears 202 are meshed with each other. A driven pulley 403 is also fixedly installed on the rotating shaft of one of the crushing rollers 201.

[0026] The rolling mechanism 3 includes a reciprocating screw 301 and a sliding rod 303 arranged in opposition, one end of the reciprocating screw 301 is rotatably connected to the inner wall of the crushing box 1, the other end of the reciprocating screw 301 penetrates the crushing box 1 and is rotatably connected to the crushing box 1, a threaded sleeve 302 is sleeved on the reciprocating screw 301, the threaded sleeve 302 is threadedly connected to the reciprocating screw 301, both ends of the sliding rod 303 are fixedly connected to the crushing box 1, a sliding sleeve 304 is provided on the sliding rod 303, the sliding sleeve 304 is slidably connected to the sliding rod 303, the bottom ends of the sliding sleeve 304 and the threaded sleeve 302 are both provided with connecting rods 305, the top ends of the two connecting rods 305 are respectively fixedly connected to the sliding sleeve 304 and the threaded sleeve 302, the bottom end of the connecting rod 305 is provided with a pressing roller 306, the two ends of the pressing roller 306 are respectively rotatably connected to the two connecting rods 305, and the pressing roller 306 cooperates with the filter plate 103. Dust-proof sleeves 307 are provided around the reciprocating screw 301 and the sliding rod 303 , and both ends of the dust-proof sleeves 307 are fixedly connected to the inner wall of the crushing box 1 .

[0027] The linkage mechanism 4 includes a motor 401 , a driving pulley 402 is fixedly mounted on the output end of the motor 401 , the output end of the motor 401 is also fixedly connected to the reciprocating screw 301 , and the driving pulley 402 is transmission-connected to the driven pulley 403 via a belt 404 .

[0028] Working principle:

[0029] The motor 401 is started, and the chemical raw material enters the crushing box 1 from the feed hopper 101 and falls between the two crushing rollers 201. The output end of the motor 401 drives the driving pulley 402 to rotate, and the driving pulley 402 drives the driven pulley 403 to rotate through the belt 404. The driven pulley 403 drives one crushing roller 201 and the gear 202 to rotate, and the other crushing roller 201 is driven to rotate through the meshing of the gear 202. The two crushing rollers 201 rotate in opposite directions, thereby crushing the chemical raw material. The chemical raw materials that have been initially crushed fall onto the filter plate 103, and the fine chemical raw materials fall from the filter plate 103 to the discharge port 102. The chemical raw materials that are not completely crushed remain on the surface of the filter plate 103. At the same time, the output end of the motor 401 also drives the rotation of the reciprocating screw 301. The unidirectional rotation of the reciprocating screw 301 drives the threaded sleeve 302 to slide back and forth on the surface of the reciprocating screw 301, further fully and thoroughly crushing the chemical raw materials that are not completely crushed, and then fall to the discharge port 102 after being completely crushed.

[0030] In the description of the specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] The above contents are merely examples and explanations of the structure of the utility model. The technicians in the technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the utility model.

Claims

1. Chemical raw material pretreatment crushing device, characterized by: The invention comprises a crushing box (1), wherein a crushing mechanism (2) is arranged at the upper part of the crushing box (1), a filter plate (103) is arranged at the lower part of the crushing mechanism (2), the peripheral side of the filter plate (103) is fixedly connected to the crushing box (1), a rolling mechanism (3) is arranged between the crushing mechanism (2) and the filter plate (103), and a linkage mechanism (4) is arranged on one side of the rolling mechanism (3); The crushing mechanism (3) comprises a reciprocating screw (301) and a sliding rod (303) which are arranged in opposition to each other. One end of the reciprocating screw (301) is rotatably connected to the inner wall of the crushing box (1), and the other end of the reciprocating screw (301) passes through the crushing box (1) and is rotatably connected to the crushing box (1). A threaded sleeve (302) is threadedly connected to the reciprocating screw (301). Both ends of the sliding rod (303) are fixedly connected to the crushing box (1). A sliding sleeve (304) is slidably connected to the sliding rod (303). Connecting rods (305) are fixedly installed at the bottom ends of the sliding sleeve (304) and the threaded sleeve (302). The bottom ends of the two connecting rods (305) are rotatably connected to a pressing roller (306), and the pressing roller (306) cooperates with the filter plate (103).

2. The chemical raw material pretreatment and crushing device according to claim 1, characterized in that: Dust-proof sleeves (307) are provided on the circumference of the reciprocating screw (301) and the sliding rod (303), and both ends of the dust-proof sleeves (307) are fixedly connected to the inner wall of the crushing box (1).

3. The chemical raw material pretreatment and crushing device according to claim 1, characterized in that: The crushing mechanism (2) comprises two crushing rollers (201) arranged in parallel, one end of the rotating shaft of the crushing roller (201) is rotatably connected to the side wall of the crushing box (1), the other end of the rotating shaft of the crushing roller (201) passes through the side wall of the crushing box (1) and is fixedly mounted with a gear (202), the two gears (202) are meshed with each other, and a driven pulley (403) is also fixedly mounted on the rotating shaft of one of the crushing rollers (201).

4. The chemical raw material pretreatment and crushing device according to claim 1, characterized in that: The top of the crushing box (1) is fixedly connected to a feed hopper (101), the bottom of the crushing box (1) is fixedly connected to a discharge port (102), a filter plate (103) is arranged above the discharge port (102), and the peripheral side of the filter plate (103) is fixedly connected to the crushing box (1).

5. The chemical raw material pretreatment and crushing device according to claim 1, characterized in that: The linkage mechanism (4) comprises a motor (401), a driving pulley (402) being fixedly mounted on the output end of the motor (401), the driving pulley (402) being transmission-connected to a driven pulley (403) via a belt (404), and the output end of the motor (401) being also fixedly connected to the reciprocating screw (301).

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