Novel dimethylurea packaging process device

Abstract

The utility model relates to the technical field of dimethylurea production, and discloses a novel dimethylurea packaging process device which comprises a treatment box, a crushing mechanism, a screening net, a transverse moving switching mechanism and a connecting block, and is characterized in that the top of the treatment box is provided with the crushing mechanism extending into the treatment box; the treatment box comprises an upper box body, a lower box body, connecting frames, a feeding port, a channel and supporting legs, the upper box body and the lower box body are fixed through the multiple connecting frames, the channel is arranged between the upper box body and the lower box body, the feeding port is formed in the top of the upper box body, the multiple supporting legs are installed on the outer side of the lower box body, and three screening nets are arranged at the position of the channel. The sizes of meshes of the three screening nets are different, the three screening nets are fixedly connected through connecting blocks, and a transverse moving switching mechanism used for driving the three screening nets to move is installed on the treatment box. The device is convenient to adjust, and dimethylurea with different particle sizes can be conveniently produced according to requirements for packaging.

Description

Technical Field

[0001] The utility model relates to the technical field of dimethyl urea production, in particular to a novel dimethyl urea packaging process device. Background Art

[0002] Dimethylurea is mainly used as a pharmaceutical intermediate for the synthesis of products such as theophylline and caffeine. It can be sold as a separate product.

[0003] Before packaging dimethyl urea, dimethyl urea crystals must be crushed into particles of the desired size. Existing crushing and packaging equipment often only produces dimethyl urea of one particle size. When producing dimethyl urea particles of different sizes, a different model of equipment must be replaced, which is inconvenient. Therefore, in response to the above situation, there is an urgent need to develop a new dimethyl urea packaging process device that is easy to adjust and can produce dimethyl urea of different particle sizes for packaging according to demand, so as to overcome the shortcomings of current practical applications and meet current needs. Utility Model Content

[0004] The purpose of the utility model is to provide a novel dimethyl urea packaging process device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A novel dimethyl urea packaging process device comprises a processing box, a crushing mechanism, a screening net, a transverse shifting mechanism and a connecting block, and is characterized in that a crushing mechanism extending into the interior of the processing box is installed on the top of the processing box.

[0007] Preferably, the processing box includes: an upper box body, a lower box body, a connecting frame, a feed port, a channel and support legs. The upper box body and the lower box body are fixed to each other by multiple connecting frames. A channel is provided between the upper box body and the lower box body. The top of the upper box body is provided with a feed port. A plurality of support legs are installed on the outer side of the lower box body. Three screening nets are provided at the channel. The mesh sizes of the three screening nets are different. The three screening nets are fixedly connected by connecting blocks. A transverse switching mechanism for driving the three screening nets to move is installed on the processing box.

[0008] Preferably, the transverse shift switching mechanism includes: a frame, a second motor, a screw, a threaded sleeve and a limit rod, the frame is fixed to the connecting frame, a screw is rotatably connected inside the frame, a threaded sleeve is installed on the screw, the threaded sleeve is fixed to a screening net, a limit rod inserted into the frame is fixed on the threaded sleeve, the second motor is fixed to the frame, and the output shaft of the second motor is connected to the screw.

[0009] Preferably, the bottom of the lower box is funnel-shaped.

[0010] Preferably, the limiting rod is slidably connected to the frame, and the frame is provided with a limiting sliding groove for the movement of the limiting rod.

[0011] Preferably, the crushing mechanism includes: a crushing shaft, a synchronous wheel, a synchronous belt and a first motor; the upper box body is rotatably connected to three crushing shafts extending into the interior thereof; a synchronous wheel is installed on the upper end of each crushing shaft; the three synchronous wheels are connected by a synchronous belt transmission; the first motor is fixed to the top of the upper box body; and the output shaft of the first motor is connected to a crushing shaft.

[0012] Preferably, the three synchronous wheels are respectively located at the vertices of an equilateral triangle.

[0013] The beneficial effects of the present utility model are as follows: when the novel dimethyl urea packaging process device is used, the mesh size of the screening net is first rotated according to the required dimethyl urea particle size, then the second motor drives the screw to rotate, the screw rotation drives the threaded sleeve to move, and the threaded sleeve drives the screening net to move, so that the screening net of the required size enters between the upper box and the lower box, then the dimethyl urea crystals are added from the feed port, the first motor drives the crushing shaft to rotate, and the crushing shaft crushes the dimethyl urea crystals, and the dimethyl urea particles of qualified size pass through the screening net and fall, while the unqualified dimethyl urea crystals will remain in the screening net and continue to be crushed until the size is qualified, and the packaging bag is placed under the lower box to receive the material. In summary, the present utility model is easy to adjust and is convenient for producing dimethyl urea of different particle sizes for packaging according to demand. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0015] Figure 2 This is a schematic diagram of the use state of the utility model.

[0016] Figure 3 This is a partial structural diagram of the utility model Figure 1 .

[0017] Figure 4 This is a partial structural diagram of the utility model Figure 2 .

[0018] Figure 5 This is a partial structural diagram of the utility model Figure 3 .

[0019] Legend:

[0020] 1. Processing box; 101. Upper box body; 102. Lower box body; 103. Connecting frame; 104. Feed inlet; 105. Channel; 106. Support legs; 2. Crushing mechanism; 201. Crushing shaft; 202. Synchronous wheel; 203. Synchronous belt; 204. First motor; 3. Screening net; 4. Transverse shift switching mechanism; 401. Frame; 4011. Limiting slide; 402. Second motor; 403. Lead screw; 404. Threaded sleeve; 405. Limiting rod; 5. Connecting block. DETAILED DESCRIPTION

[0021] The following will be combined with the accompanying 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.

[0022] Specific examples are given below.

[0023] See also Figures 1 to 5In the embodiment of the present invention, a novel dimethyl urea packaging process device includes a processing box 1, a crushing mechanism 2, a screening net 3, a transverse switching mechanism 4 and a connecting block 5. The top of the processing box 1 is equipped with a crushing mechanism 2 extending into the interior thereof. The processing box 1 includes: an upper box body 101, a lower box body 102, a connecting frame 103, a feed port 104, a channel 105 and a support leg 106. The upper box body 101 and the lower box body 102 are fixed by a plurality of connecting frames 103. The upper box body 101 A channel 105 is provided between the upper box body 101 and the lower box body 102. The channel 105 is used for the screening net 3 to pass through. A feed port 104 is provided on the top of the upper box body 101. The bottom of the lower box body 102 is in a funnel shape for material discharge. A plurality of legs 106 are installed on the outside of the lower box body 102. Three screening nets 3 are provided at the channel 105. The mesh sizes of the three screening nets 3 are different. The three screening nets 3 are fixedly connected by a connecting block 5. A device for driving the three screening nets 3 to move is installed on the processing box 1. The movable transverse shift switching mechanism 4 includes: a frame 401, a second motor 402, a lead screw 403, a threaded sleeve 404 and a limit rod 405. The frame 401 is fixed to the connecting frame 103. The lead screw 403 is rotatably connected to the frame 401. The threaded sleeve 404 is installed on the lead screw 403. The threaded sleeve 404 is fixed to a screening net 3. The threaded sleeve 404 is fixed with a limit rod 405 inserted into the frame 401. The limit rod 405 is slidably connected to the frame 401. The frame 401 is provided with a limiting slide groove 4011 for moving the limiting rod 405. The limiting rod 405 limits the movement of the threaded sleeve 404 so that it cannot rotate and can only move in a straight line. The second motor 402 is fixed on the frame 401, and the output shaft of the second motor 402 is connected to the screw 403. When in use, the screw 403 is driven to rotate by the second motor 402, and the threaded sleeve 404 is driven to move by the rotation of the screw 403, and the screening net 3 is driven to move by the screw sleeve 404.

[0024] The crushing mechanism 2 includes: a crushing shaft 201, a synchronous wheel 202, a synchronous belt 203 and a first motor 204. Three crushing shafts 201 extending into the interior are rotatably connected to the upper box body 101. A synchronous wheel 202 is installed on the upper end of each crushing shaft 201. The three synchronous wheels 202 are connected by a synchronous belt 203. The three synchronous wheels 202 are respectively located at the apex angles of an equilateral triangle. The first motor 204 is fixed to the top of the upper box body 101. The output shaft of the first motor 204 is connected to a crushing shaft 201. When in use, the crushing shaft 201 is driven to rotate by the first motor 204, and the dimethyl urea crystals are crushed by the crushing shaft 201.

[0025] Working principle: When using the new dimethyl urea packaging process device, first rotate the mesh size of the screening net 3 according to the required dimethyl urea particle size, then drive the screw 403 to rotate through the second motor 402, and the threaded sleeve 404 is driven to move by the rotation of the screw 403, and the screening net 3 is driven to move by the threaded sleeve 404, so that the screening net 3 of the required size enters between the upper box 101 and the lower box 102, then, add dimethyl urea crystals from the feed port 104, drive the crushing shaft 201 to rotate through the first motor 204, and crush the dimethyl urea crystals through the crushing shaft 201, and the dimethyl urea particles of qualified size pass through the screening net 3 and fall, and the unqualified dimethyl urea crystals will remain in the screening net 3 and continue to be crushed until the size is qualified, and the packaging bag is placed under the lower box 102 to receive the material.

[0026] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

Claims

1. A novel dimethyl urea packaging process device, comprising a processing box (1), a crushing mechanism (2), a screening net (3), a transverse switching mechanism (4) and a connecting block (5), characterized in that: The top of the processing box (1) is equipped with a crushing mechanism (2) extending into the interior thereof; The processing box (1) comprises: an upper box body (101), a lower box body (102), a connecting frame (103), a feed port (104), a channel (105) and supporting legs (106); the upper box body (101) and the lower box body (102) are fixed to each other via a plurality of connecting frames (103); a channel (105) is provided between the upper box body (101) and the lower box body (102); a feed port (104) is provided at the top of the upper box body (101); a plurality of supporting legs (106) are installed on the outer side of the lower box body (102); three screening nets (3) are provided at the channel (105); the mesh sizes of the three screening nets (3) are different; the three screening nets (3) are fixedly connected via a connecting block (5); and a transverse shift switching mechanism (4) for driving the three screening nets (3) to move is installed on the processing box (1).

2. The novel dimethyl urea packaging process device according to claim 1, characterized in that: The transverse shift switching mechanism (4) comprises: a frame (401), a second motor (402), a lead screw (403), a threaded sleeve (404) and a limit rod (405); the frame (401) is fixed to the connecting frame (103); a lead screw (403) is rotatably connected in the frame (401); a threaded sleeve (404) is mounted on the lead screw (403); the threaded sleeve (404) is fixed to a screening net (3); a limit rod (405) inserted into the frame (401) is fixed on the threaded sleeve (404); the second motor (402) is fixed to the frame (401); and an output shaft of the second motor (402) is connected to the lead screw (403).

3. The novel dimethyl urea packaging process device according to claim 1, characterized in that: The bottom of the lower box (102) is funnel-shaped.

4. The novel dimethyl urea packaging process device according to claim 2, characterized in that: The limiting rod (405) is slidably connected to the frame (401), and the frame (401) is provided with a limiting sliding groove (4011) for the movement of the limiting rod (405).

5. The novel dimethyl urea packaging process device according to claim 1, characterized in that: The pulverizing mechanism (2) comprises: a pulverizing shaft (201), a synchronous wheel (202), a synchronous belt (203) and a first motor (204); three pulverizing shafts (201) extending into the interior of the upper box (101) are rotatably connected to the upper box (101); a synchronous wheel (202) is mounted on the upper end of each pulverizing shaft (201); the three synchronous wheels (202) are connected to each other via a synchronous belt (203); the first motor (204) is fixed to the top of the upper box (101); and the output shaft of the first motor (204) is connected to a pulverizing shaft (201).

6. The novel dimethyl urea packaging process device according to claim 5, characterized in that: The three synchronous wheels (202) are respectively located at the apex angles of an equilateral triangle.

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