Chemical raw material screening machine

Abstract

The utility model relates to the technical field of chemical raw material processing, in particular to a chemical raw material screening machine which comprises a screening drum, a motor, a rotating rod and a screening plate. Two fixing rods are fixedly arranged on the side walls of the two sides in the screen drum, the fixing rods are horizontally arranged, and the motor is fixed between the two fixing rods; the rotating rod is arranged below the motor, is fixedly connected with an output shaft of the motor, and is coaxially arranged with the output shaft of the motor; the number of the sieve plates is two, and the two sieve plates and the rotating rod are coaxially arranged and fixedly connected. An operation opening is formed in the side wall of one side of the screen drum, a first sliding groove is formed in the side wall of one side of the operation opening, and an operation door is arranged in the first sliding groove in a sliding mode. According to the screening machine, a worker can clean the screen plate in the screen drum from the operation opening, the screen plate does not need to be disassembled, the working efficiency is improved, and the defect that when an existing screening machine cleans a screen frame, the screen frame needs to be disassembled firstly, and consequently the working efficiency is low is overcome.

Description

Technical Field

[0001] The present application relates to the technical field of chemical raw material processing, and in particular to a chemical raw material screening machine. Background Art

[0002] Chemical raw materials are raw materials produced using chemical methods. They come in many varieties and have a wide range of uses, and can generally be divided into two categories: organic chemical raw materials and inorganic chemical raw materials. Chemical industry has permeated every aspect of human life. In modern life, chemical products are indispensable almost everywhere, from material needs such as clothing, food, housing, and transportation to spiritual needs such as culture, art, and entertainment. The granular products obtained during the chemical production process are differentiated by their quality based on their particle size, and usually require screening.

[0003] A Chinese patent with authorization announcement number CN220329176U discloses a chemical raw material screening machine, including a screening drum, a lower hopper, support legs, a cover plate, an exhaust pipe, a processing box, a feed pipe, a fixed part, a screening frame, a mounting rod, a mounting part and a support frame; the support legs are connected to the screening drum, the lower hopper is connected to the screening drum, the cover plate is connected to the screening drum, the feed pipe is connected to the cover plate, and the feed pipe is connected to the screening drum; the fixed part is rotatably connected to the cover plate, a driving device is provided on the cover plate, and the driving device is transmission-connected to the fixed part; the exhaust pipe is connected to the screening drum and the processing box; the support frame is connected to the screening drum, the mounting rod is rotatably connected to the support frame, the mounting rod is cooperatively connected to the fixed part, and the screening frame is connected to the mounting rod.

[0004] However, the above technical solution has the following defects: when the screen frame needs to be cleaned, the screen frame can only be disassembled from the top and then cleaned. After cleaning, it needs to be installed back, the operation steps are complicated, and the work efficiency is low. Utility Model Content

[0005] In order to improve the defect of existing screening machines that the screen frame needs to be disassembled before cleaning, resulting in low working efficiency, the present application provides a chemical raw material screening machine.

[0006] This application provides a chemical raw material screening machine, which adopts the following technical solution:

[0007] A chemical raw material screening machine comprises a screen drum, a motor, a rotating rod and a screen plate; two fixing rods are fixedly provided on the side walls on both sides of the screen drum, the fixing rods are arranged horizontally, and the motor is fixed between the two fixing rods; the rotating rod is arranged below the motor, fixedly connected to the output shaft of the motor, and coaxially arranged with the output shaft of the motor; two screen plates are provided, and both of the two screen plates are coaxially arranged and fixedly connected to the rotating rod; an operating port is provided on the side wall on one side of the screen drum, a first slide groove is provided on the side wall on the side of the operating port, and an operating door is slidably arranged in the first slide groove.

[0008] By adopting the above technical scheme, the staff can clean the sieve plate in the screen drum from the operating port without disassembling the sieve plate, thereby improving work efficiency and improving the defect of the existing screening machine that the screen frame needs to be disassembled first when cleaning the screen frame, resulting in low work efficiency; through the setting of the fixed rod, structural support can be provided for the motor in the screen drum; through the setting of the rotating rod, the rotating rod can be driven to rotate by the motor; the sieve plate is fixedly connected to the rotating rod, so that the sieve plate can be driven to rotate when the rotating rod rotates; through the setting of the sieve plate, chemical raw materials can be screened through the sieve plate; through the setting of the operating port, the staff can clean the sieve plate at the operating port; through the setting of the operating door, when there is no need to clean the sieve plate, the operating port can be closed through the operating door to avoid affecting the screening work in the sieve drum.

[0009] Optionally, a second sliding groove is provided on the top wall and the bottom wall of the first sliding groove, and a sliding block fixedly connected to the operating door is slidably provided in the second sliding groove.

[0010] By adopting the above technical solution, the operating door can be limited to prevent the operating door from falling off from the operating opening or the first sliding groove during the operation and movement.

[0011] Optionally, the fixed rod on the side of the operating door away from the first slide groove is connected to a limiting plate, and a first limiting groove that is adapted to the size of the limiting plate is opened on the side wall of the operating port away from the first slide groove. When the slider is located in the slide groove at one end close to the operating port, the limiting plate is located in the first limiting groove.

[0012] By adopting the above technical solution, when the operating door is closed, the limiting plate can be in the first limiting groove, which can improve its stability.

[0013] Optionally, a positioning hole is provided on the limiting plate, a positioning rod is slidably inserted into the positioning hole, a positioning groove is provided on the side wall of the first limiting groove close to the side of the screen plate, and one end of the positioning rod can be inserted into the positioning groove.

[0014] By adopting the above technical solution, when the operating door is closed, the positioning rod can be inserted into the positioning groove at one end close to the screen drum, thereby positioning the operating door to prevent the operating door from sliding, making the closed state of the operating door more stable.

[0015] Optionally, a second limiting groove is provided on a side wall on one side of the positioning hole, and a limiting block fixedly connected to the positioning rod is slidably provided in the second limiting groove.

[0016] By adopting the above technical solution, the positioning rod can be restricted in the positioning hole, thereby preventing the positioning rod from falling off during operation.

[0017] Optionally, the positioning rod is a round rod, and the positioning hole is a round hole whose size matches the cross-section of the positioning rod; a limiting slot is opened on the bottom wall of the second limiting groove close to the side of the sieve plate, and the limiting slot is a fan-shaped slot. When the limiting block is aligned with the limiting slot, it can be rotated and clamped in the limiting slot. At this time, the end of the positioning rod close to the sieve plate is clamped in the positioning slot.

[0018] By adopting the above technical solution, when the operating door is closed and the positioning rod is inserted into the positioning groove, the positioning rod can be rotated to drive the limit block to be engaged in the limit slot, thereby limiting the positioning rod so that the positioning rod cannot move in the positioning hole, thereby further improving its stability.

[0019] Optionally, a pull rod is fixedly provided on the limiting plate.

[0020] By adopting the above technical solution, the operating door can be operated to slide by pulling the rod.

[0021] Optionally, an operating rod is fixedly connected to a side of the positioning rod away from the sieve plate, and the operating rod and the limiting block are arranged opposite to each other along the length direction of the positioning rod.

[0022] By adopting the above technical solution, the positioning rod can be operated by the operating rod, which is convenient for pulling, pushing or rotating the positioning rod, and the direction of the limit block can be judged by observing the direction of the operating rod.

[0023] Optionally, an exhaust hole is opened on the inner side wall of the sieve cylinder, an exhaust pipe connected to the inside of the sieve cylinder is provided on the exhaust hole, and a side of the exhaust pipe away from the sieve cylinder is connected to a collection box, and the collection box is provided with an air outlet.

[0024] By adopting the above technical solution, the gas in the sieve drum can be discharged after being processed through the collection box, thereby improving the environmental protection effect.

[0025] Optionally, a plurality of sieve holes are provided on both sieve plates, and the diameter of the sieve holes of the upper sieve plate is larger than the diameter of the sieve holes of the lower sieve plate.

[0026] By adopting the above technical solution, chemical raw materials can be subjected to secondary screening, coarse screening and fine screening, thereby improving the screening effect.

[0027] In summary, this application includes at least one of the following beneficial technical effects:

[0028] 1. By setting the sieve plate and opening an operation port on the sieve drum, the staff can clean the sieve plate in the sieve drum from the operation port without having to disassemble the sieve plate, thereby improving work efficiency and overcoming the defect of low work efficiency caused by the need to disassemble the sieve frame before cleaning the sieve frame of the existing screening machine;

[0029] 2. By setting the slider and providing the second chute on the top and bottom walls of the first chute, the operating door can be limited to prevent the operating door from falling out of the operating opening or the first chute during operation, thereby improving the overall stability of the device;

[0030] 3. Through the setting of the limit plate and the positioning rod, when the operating door is closed, the limit plate can be in the first limit groove, and the positioning rod can be close to one end in the screen drum and pass through the positioning groove, so that the operating door can be positioned to prevent the operating door from sliding, making the closed state of the operating door more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application;

[0032] Figure 2 is a partial longitudinal cross-sectional schematic diagram of a hidden operating door according to an embodiment of the present application;

[0033] Figure 3 is a partial cross-sectional schematic diagram of an embodiment of the present application at a positioning rod;

[0034] Figure 4 yes Figure 3 A partial enlarged schematic diagram of part A.

[0035] Explanation of the accompanying symbols: 1. Screen drum; 11. Operating port; 12. First cover plate; 121. Feed port; 122. Feed pipe; 123. Second cover plate; 13. Discharge port; 14. Exhaust hole; 15. Exhaust pipe; 16. Second chute; 17. First limiting groove; 18. Positioning groove; 19. Pull rod; 10. First chute; 2. Motor; 3. Rotating rod; 4. Screen plate; 5. Operating door; 6. Collecting box; 61. Exhaust hole; 7. Slider; 8. Limiting plate; 81. Positioning hole; 82. Second limiting groove; 83. Limiting slot; 9. Positioning rod; 91. Limiting block; 92. Operating rod. DETAILED DESCRIPTION

[0036] The following is combined with Figure 1-4 This application is described in further detail.

[0037] The embodiment of the present application discloses a chemical raw material screening machine. Figure 1 and Figure 2 The sieve drum 1 is a kind of sieve drum 1, and the sieve drum 1 is a kind of sieve drum 1. The sieve drum 1 is a kind of sieve drum 1. The sieve drum 1 is a kind of sieve drum 1. The sieve drum 1 is a kind of sieve drum 1. The sieve drum 1 is a kind of sieve drum 1. The sieve drum 1 is a kind of sieve drum 1. The sieve drum 1 is a kind of sieve drum 1. The sieve drum 1 is a kind of sieve drum 1. The sieve drum 1 is a kind of sieve drum 1. The sieve drum 1 is a kind of sieve drum 1. The sieve drum 1 is a kind of sieve drum 1. The sieve drum 1 is a kind of sieve drum 1. The sieve drum 1 is a kind of sieve drum 1. The sieve drum 1 is a kind of sieve drum 1. The sieve drum 1 is a kind of sieve drum 1. The sieve drum 1 is a kind of sieve drum 1.

[0038] Reference Figure 1 and Figure 2 A first cover plate 12 is provided on the top of the sieve drum 1, and a feed port 121 is provided on the first cover plate 12. A feed pipe 122 fixedly connected to the first cover plate 12 is provided at the feed port 121, and a second cover plate 123 is provided on the top of the feed pipe 122; a plurality of sieve holes are provided on the two sieve plates 4, and the sieve hole diameter of the upper sieve plate 4 is larger than the sieve hole diameter of the lower sieve plate 4; the bottom of the sieve drum 1 is funnel-shaped and has a discharge port 13; when screening, the second cover plate 123 is opened, and the chemical raw materials enter the sieve drum 1 through the feed pipe 122, and are discharged through the discharge port 13 after coarse screening and fine screening by the two sieve plates 4.

[0039] Reference Figure 1 and Figure 2An exhaust hole 14 is provided on the inner wall of the sieve cylinder 1, and an exhaust pipe 15 connected to the inside of the sieve cylinder 1 is provided on the exhaust hole 14. The exhaust pipe 15 is connected to a collecting box 6 on the side away from the sieve cylinder 1, and an air outlet 61 is provided on the collecting box 6; the gas in the sieve cylinder 1 can enter the collecting box 6 through the exhaust pipe 15, and be discharged through the air outlet 61 after being processed in the collecting box 6, so as to avoid pollution caused by direct discharge.

[0040] Reference Figure 2 and Figure 3 A second slide groove 16 is provided on the top and bottom walls of the first slide groove 10. A slider 7 fixedly connected to the operating door 5 is slidably provided in the second slide groove 16. The slider 7 can limit the operating door 5 to prevent the operating door 5 from falling off from the operating port 11 or the first slide groove 10 during the operation and movement.

[0041] Reference Figure 1 and Figure 3 The fixed rod on the side of the operating door 5 away from the first slide groove 10 is connected to the limit plate 8, and a first limit groove 17 that matches the size of the limit plate 8 is opened on the side wall of the operating port 11 away from the first slide groove 10. When the slider 7 is located at one end close to the operating port 11 in the slide groove, the limit plate 8 is located in the first limit groove 17.

[0042] Reference Figure 3 and Figure 4 , a positioning hole 81 is provided on the limiting plate 8, a positioning rod 9 is slidably passed through the positioning hole 81, a positioning groove 18 is provided on the side wall of the first limiting groove 17 close to the side of the screen plate 4, and one end of the positioning rod 9 can be passed through the positioning groove 18; a second limiting groove 82 is provided on the side wall on one side of the positioning hole 81, and a limiting block 91 fixedly connected to the positioning rod 9 is slidably provided in the second limiting groove 82; the positioning rod 9 is a round rod, and the positioning hole 81 is a round hole with a size adapted to the cross-section of the positioning rod 9; the second limiting groove 82 A limiting slot 83 is provided on the bottom wall on the inner side close to the sieve plate 4. The limiting slot 83 is a fan-shaped slot. When the limiting block 91 is aligned with the limiting slot 83, it can be rotated and clamped in the limiting slot 83. At this time, the end of the positioning rod 9 close to the sieve plate 4 is clamped in the positioning slot 18; the side of the positioning rod 9 away from the sieve plate 4 is fixedly connected to the operating rod 92, and the operating rod 92 and the limiting block 91 are arranged opposite to each other along the length direction of the positioning rod 9; a pull rod 19 is fixedly provided on the limiting plate 8, and the length direction of the pull rod 19 is the vertical direction.

[0043] When it is necessary to close the operating door 5, first pull the pull rod 19 to drive the limit plate 8 to move toward the direction close to the first limit groove 17, and drive the operating door 5 to move toward the direction close to the first limit groove 17 until the operating door 5 is closed and the limit plate 8 is located in the first limit groove 17. At this time, the positioning rod 9 is aligned with the positioning groove 18, and the operating rod 92 is pressed to drive the end of the positioning rod 9 close to the screen drum 1 to penetrate into the positioning groove 18, and then the operating rod 92 is rotated to drive the limit block 91 into the limit slot 83. At this time, the operating door 5 is in a closed state and cannot move.

[0044] When it is necessary to open the operating door 5, first rotate the operating rod 92 to drive the limit block 91 to rotate from the limit slot 83 to the second limit slot 82, and then pull the operating rod 92 in the direction away from the screen drum 1 to drive the positioning rod 9 to disengage from the positioning slot 18; after the positioning rod 9 disengages from the positioning slot 18, the limit plate 8 can be pulled by the pull rod 19 to drive the operating door 5 to open, and the sieve plate 4 in the sieve drum 1 can be cleaned.

[0045] The implementation principle of a chemical raw material screening machine in the embodiment of the present application is as follows:

[0046] When it is necessary to open the operating door 5, first rotate the operating rod 92 to drive the limit block 91 to rotate from the limit slot 83 to the second limit slot 82, and then pull the operating rod 92 in the direction away from the screen drum 1 to drive the positioning rod 9 to disengage from the positioning slot 18; after the positioning rod 9 disengages from the positioning slot 18, the limit plate 8 can be pulled by the pull rod 19 to drive the operating door 5 to open, and the sieve plate 4 in the sieve drum 1 can be cleaned.

[0047] When it is necessary to close the operating door 5, first pull the pull rod 19 to drive the limit plate 8 to move toward the direction close to the first limit groove 17, and drive the operating door 5 to move toward the direction close to the first limit groove 17 until the operating door 5 is closed and the limit plate 8 is located in the first limit groove 17. At this time, the positioning rod 9 is aligned with the positioning groove 18, and the operating rod 92 is pressed to drive the end of the positioning rod 9 close to the screen drum 1 to penetrate into the positioning groove 18, and then the operating rod 92 is rotated to drive the limit block 91 into the limit slot 83. At this time, the operating door 5 is in a closed state and cannot move.

[0048] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A chemical raw material screening machine, characterized in that: The invention comprises a screen drum (1), a motor (2), a rotating rod (3) and a screen plate (4); two fixing rods are fixedly provided on the side walls on both sides of the screen drum (1), the fixing rods are arranged horizontally, and the motor (2) is fixed between the two fixing rods; the rotating rod (3) is arranged below the motor (2), fixedly connected to the output shaft of the motor (2), and coaxially arranged with the output shaft of the motor (2); two screen plates (4) are provided, and both of the two screen plates (4) are coaxially arranged with the rotating rod (3) and fixedly connected; an operation port (11) is provided on the side wall on one side of the screen drum (1), a first sliding groove (10) is provided on the side wall on the side of the operation port (11), and an operation door (5) is slidably provided in the first sliding groove (10).

2. A chemical raw material screening machine according to claim 1, characterized in that: A second slide groove (16) is provided on both the top wall and the bottom wall of the first slide groove (10), and a sliding block (7) fixedly connected to the operating door (5) is slidably provided in the second slide groove (16).

3. A chemical raw material screening machine according to claim 2, characterized in that: The fixed rod on the side of the operating door (5) away from the first sliding groove (10) is connected to the limiting plate (8), and a first limiting groove (17) adapted to the size of the limiting plate (8) is opened on the side wall of the operating opening (11) away from the first sliding groove (10). When the slider (7) is located at one end close to the operating opening (11) in the sliding groove, the limiting plate (8) is located in the first limiting groove (17).

4. A chemical raw material screening machine according to claim 3, characterized in that: A positioning hole (81) is provided on the limiting plate (8), a positioning rod (9) is slidably inserted into the positioning hole (81), a positioning groove (18) is provided on the side wall of the first limiting groove (17) close to the side of the sieve plate (4), and one end of the positioning rod (9) can be inserted into the positioning groove (18).

5. A chemical raw material screening machine according to claim 4, characterized in that: A second limiting groove (82) is provided on a side wall of one side of the positioning hole (81), and a limiting block (91) fixedly connected to the positioning rod (9) is slidably provided in the second limiting groove (82).

6. A chemical raw material screening machine according to claim 5, characterized in that: The positioning rod (9) is a round rod, and the positioning hole (81) is a round hole whose size matches the cross section of the positioning rod (9); a limiting slot (83) is provided on the bottom wall of the second limiting groove (82) close to the side of the sieve plate (4), and the limiting slot (83) is a fan-shaped slot. When the limiting block (91) is aligned with the limiting slot (83), it can be rotated and engaged in the limiting slot (83), and at this time, the end of the positioning rod (9) close to the sieve plate (4) is engaged in the positioning slot (18).

7. A chemical raw material screening machine according to claim 6, characterized in that: A pull rod (19) is fixedly provided on the limiting plate (8).

8. A chemical raw material screening machine according to claim 6, characterized in that: An operating rod (92) is fixedly connected to the side of the positioning rod (9) away from the sieve plate (4), and the operating rod (92) and the limiting block (91) are arranged opposite to each other along the length direction of the positioning rod (9).

9. A chemical raw material screening machine according to claim 1, characterized in that: An exhaust hole (14) is provided on the inner side wall of the sieve drum (1), and an exhaust pipe (15) is provided on the exhaust hole (14) and is connected to the inside of the sieve drum (1). The exhaust pipe (15) is connected to a collecting box (6) on a side away from the sieve drum (1), and the collecting box (6) is provided with an exhaust hole (61).

10. A chemical raw material screening machine according to claim 1, characterized in that: A plurality of sieve holes are provided on both sieve plates (4), and the diameter of the sieve holes of the upper sieve plate (4) is larger than the diameter of the sieve holes of the lower sieve plate (4).

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