Pyromellitic dianhydride raw material filtering device

Abstract

The utility model provides a pyromellitic dianhydride raw material filtering device, which belongs to the technical field of pyromellitic dianhydride production equipment and comprises a filtering mechanism, the filtering mechanism comprises a material tank, a plurality of mounting blocks are arranged in the material tank, a filter screen is arranged on the mounting blocks, a movable baffle is arranged on one side of the filter screen, and a sliding chute is arranged on one side of the movable baffle. A round rod is arranged in the sliding groove, a fixing block is arranged on the movable baffle, a stand column is arranged on the material groove, an auxiliary wheel is arranged on the stand column, a first motor is arranged on the rear side of the material groove, a driving wheel is arranged on the first motor, a traction rope is arranged on the driving wheel, a storage plate is arranged on the front side of the material groove, a second motor is arranged on the storage plate, and the driving wheel is driven by the first motor to rotate. The movable baffle moves along the sliding groove through cooperation of the traction rope and the auxiliary wheel, and the opening size of the filter screen is adjusted. And the second motor drives the screw rod to rotate to drive the sliding block to slide in the limiting groove, so that the scraping plate on the supporting arm does reciprocating motion on the filter screen, and automatic cleaning of impurities on the surface of the filter screen is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of pyromellitic dianhydride production equipment, in particular to a pyromellitic dianhydride raw material filtering device. Background Art

[0002] As an important chemical intermediate, pyromellitic dianhydride is widely used in high-performance polyimide resins, high-temperature resistant coatings, advanced composite materials and other fields. The raw materials produced in its synthesis process often contain a certain amount of impurities, such as unreacted raw materials, by-products, catalyst residues, etc. The presence of these impurities not only affects the purity and performance of the final product, but may also cause damage to subsequent processing equipment. Traditional filtration methods usually use static filters for separation, but such methods have problems such as low filtration efficiency, easy clogging, and difficult cleaning and maintenance. Especially for raw materials with high viscosity or containing fine particles, the filtration effect is often difficult to meet the requirements of modern chemical production for product quality and production efficiency. In addition, traditional filtration devices usually lack automation and are frequently operated manually, which is not only labor-intensive, but also unable to ensure the stability and consistency of the filtration process. Utility Model Content

[0003] In view of this, the utility model provides a pyromellitic dianhydride raw material filtering device, which can not only drive the screw to rotate through the second motor to drive the sliding block to slide in the limit groove, and then make the scraper on the support arm reciprocate on the filter screen to realize automatic cleaning of impurities on the surface of the filter screen, but also can use the scraper to scrape the impurities accumulated on the filter screen into the debris groove, and then discharge them regularly through the debris groove, so as to realize continuous operation and convenient maintenance of the filtering device.

[0004] In order to solve the above technical problems, the utility model provides a filtration device for raw material of pyromellitic dianhydride, including a filtration mechanism, the filtration mechanism includes a material trough, a plurality of mounting blocks are arranged in the material trough, a filter screen is arranged on the mounting block, a movable baffle is arranged on one side of the filter screen, a slide groove is arranged on one side of the movable baffle, a round rod is arranged in the slide groove, a fixed block is arranged on the movable baffle, a column is arranged on the material trough, an auxiliary wheel is arranged on the column, a first motor is arranged on the rear side of the material trough, a driving wheel is arranged on the first motor, a traction rope is arranged on the driving wheel, a placement plate is arranged on the front side of the material trough, and a first Two motors, the second motor is provided with a screw, a limiting groove is provided on one side of the second motor, a sliding block is provided in the limiting groove, a supporting arm is provided on the sliding block, a scraper is provided on the supporting arm, a debris groove is provided on the left side of the material groove, and a discharge port is provided at the bottom of the debris groove. The first motor drives the driving wheel to rotate, and the movable baffle moves along the sliding groove through the cooperation of the traction rope and the auxiliary wheel to adjust the size of the filter opening; the second motor drives the screw to rotate, drives the sliding block to slide in the limiting groove, and then makes the scraper on the support arm reciprocate on the filter, so as to realize automatic cleaning of impurities on the surface of the filter.

[0005] The mounting block is arranged in a surrounding manner in the material trough, the filter screen is arranged on the upper base surface of the mounting block, one end of the movable baffle is arranged on the inner wall of the material trough, one end of the movable baffle is arranged in the slide groove through a round rod, the filter screen is supported and fixed by the mounting block so that the filter screen is arranged inside the material trough, and the movable baffle is rotatably arranged in the material trough through the round rod.

[0006] The fixed block is arranged on the upper base surface of the movable baffle, the column is arranged on the upper base surface of the material trough, the auxiliary wheel is arranged on the inner side wall of the column, the first motor is arranged on the rear side base surface of the material trough, the driving wheel is arranged at the output end of the first motor, one end of the traction rope is arranged on the driving wheel, and the other end is connected to the fixed block through the auxiliary wheel. By connecting one end of the traction rope to the driving wheel, the first motor rotates the driving wheel, so that the traction rope pulls the movable baffle to be raised and lowered in the material trough with the assistance of the auxiliary wheel.

[0007] The storage plate is arranged on the side base surface on the front side of the material trough, the second motor is arranged on the upper base surface of the storage plate, the lower base surface of the limiting groove is connected to the upper base surface of the storage plate, one end of the screw rod is arranged on the output end of the second motor, and the other end passes through the side base surface of the limiting groove and is connected to the inner wall of the limiting groove. The storage plate provides an installation position for the second motor and the limiting groove, and the second motor provides an output source for the screw rod, so that the screw rod rotates in the limiting groove.

[0008] The sliding block is slidably arranged in the limit groove by a screw rod, one end of the support arm is arranged on the side base surface of the sliding block, and the other end is extended and arranged inside the material groove, and the scraper is arranged on the side base surface of the support arm. The sliding block slides repeatedly in the limit groove through the rotation of the screw rod, and drives the support arm to slide in the material groove, so that the scraper removes the debris on the filter screen.

[0009] The debris trough is arranged on the left side base surface of the material trough and is located on one side of the filter screen. The discharge port is arranged on the left side base surface of the material trough. The debris on the filter screen is collected through the debris trough, and the filtered pyromellitic anhydride is discharged through the discharge port.

[0010] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0011] 1. When the utility model is used, the first motor drives the driving wheel to rotate, and the cooperation of the traction rope and the auxiliary wheel makes the movable baffle move along the slide groove to adjust the size of the filter opening; the second motor drives the screw rod to rotate, driving the sliding block to slide in the limit groove, and then the scraper on the support arm makes a reciprocating motion on the filter, so as to realize the automatic cleaning of impurities on the surface of the filter.

[0012] 2. When the utility model is used, the impurities accumulated on the filter screen are scraped into the debris tank by the scraper, and can be discharged regularly through the debris tank, so as to realize the continuous operation and convenient maintenance of the filtering device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the overall structure of the utility model from a top view;

[0015] Figure 3 This is a schematic diagram of the cross-sectional structure of the front end of the material trough of the utility model;

[0016] Figure 4 This is a schematic diagram of the cross-sectional structure of the middle part of the material trough of the utility model;

[0017] Figure 5 For the utility model Figure 4 Schematic diagram of the structure at A in the middle.

[0018] Explanation of the reference numerals: 100, filtering mechanism; 101, mounting block; 102, filter screen; 103, movable baffle; 104, slide groove; 105, round rod; 106, fixing block; 107, column; 108, auxiliary wheel; 109, first motor; 110, driving wheel; 111, traction rope; 112, storage plate; 113, second motor; 114, screw rod; 115, limiting groove; 116, sliding block; 117, supporting arm; 118, scraper; 119, debris trough; 120, discharge port. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-5 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0020] According to one embodiment of the utility model, Figure 1-5As shown: This embodiment provides a filtration device for raw material of pyromellitic anhydride, including a filtration mechanism 100, the filtration mechanism 100 includes a material trough, a plurality of mounting blocks 101 are provided in the material trough, a filter screen 102 is provided on the mounting block 101, a movable baffle 103 is provided on one side of the filter screen 102, a slide groove 104 is provided on one side of the movable baffle 103, a round rod 105 is provided in the slide groove 104, a fixed block 106 is provided on the movable baffle 103, a column 107 is provided on the material trough, an auxiliary wheel 108 is provided on the column 107, a first motor 109 is provided at the rear side of the material trough, a driving wheel 110 is provided on the first motor 109, a traction rope 111 is provided on the driving wheel 110, a storage plate 112 is provided on the front side of the material trough, and a There is a second motor 113, on which a screw rod 114 is provided, a limiting groove 115 is provided on one side of the second motor 113, a sliding block 116 is provided in the limiting groove 115, a supporting arm 117 is provided on the sliding block 116, a scraper 118 is provided on the supporting arm 117, a debris groove 119 is provided on the left side of the material groove, and a discharge port 120 is provided at the bottom of the debris groove 119. The first motor 109 is fixed to the side of the material groove by screws and a fixing frame, and the first motor 109 provides power for the driving wheel 110, so that the traction rope 111 is wound around the driving wheel 110, and the movable baffle 103 is lifted and lowered by the traction rope 111, which guides the raw materials on the one hand and prevents the raw materials from remaining on the surface of the scraper 118 and the support arm 117 on the other hand.

[0021] The mounting block 101 is arranged in a surrounding manner in the material trough, the filter screen 102 is arranged on the upper base surface of the fixed mounting block 101, one end of the movable baffle 103 is arranged on the inner wall of the material trough, and one end of the movable baffle 103 is arranged in the slide groove 104 through the round rod 105. The mounting block 101 is fixed to the inner wall of the material trough by welding, and the filter screen 102 is movably connected to the surface of the mounting block 101 by snap-fitting. One end of the movable baffle 103 is rotatably connected to the groove on the top of the material trough through a connecting rod, and the other end is slidably arranged in the slide groove 104 through the round rod 105 fixedly arranged on one side of the movable baffle 103.

[0022] The fixed block 106 is arranged on the upper base surface of the movable baffle 103, the column 107 is arranged on the upper base surface of the material trough, the auxiliary wheel 108 is arranged on the inner wall of the column 107, the first motor 109 is arranged on the rear side base surface of the material trough, and the driving wheel 110 is arranged at the output end of the first motor 109. The fixed block 106 is fixed to the surface of the movable baffle 103 by welding, the column 107 is fixed to the top of the material trough by a slot, the auxiliary wheel 108 is rotatably arranged on the column 107 through a bearing, and the driving wheel 110 is fixedly arranged at the output end of the first motor 109.

[0023] One end of the traction rope 111 is set on the driving wheel 110, and the other end is connected to the fixed block 106 through the auxiliary wheel 108. The traction rope 111 is arranged on the driving wheel 110 by winding, and passes around the auxiliary wheel 108 to be connected to the surface of the fixed block 106.

[0024] The storage plate 112 is arranged on the side base surface on the front side of the material trough, the second motor 113 is arranged on the upper base surface of the storage plate 112, the lower base surface of the limiting groove 115 is connected to the upper base surface of the storage plate 112, one end of the screw rod 114 is arranged at the output end of the second motor 113, and the other end passes through the side base surface of the limiting groove 115 and is connected to the inner wall of the limiting groove 115. The storage plate 112 is connected to the material trough through bolts and a direct connector, and the second motor 113 is fixed to the surface of the storage plate 112 through bolts. One end of the screw rod 114 is arranged on the inner wall of the limiting groove 115 through a bearing, and the other end is arranged at the output end of the second motor 113 through a through hole. The limiting groove 115 is fixed to the storage plate 112 through an internally arranged through hole and screws.

[0025] The sliding block 116 is slidably set in the limiting groove 115 through the screw rod 114, one end of the support arm 117 is set on the side base surface of the sliding block 116, and the other end is extended and set inside the material trough, the scraper 118 is set on the side base surface of the support arm 117, the sliding block 116 is connected to the screw rod 114 through a through hole, the support arm 117 is fixedly connected to the side of the sliding block 116 by screws, and the scraper 118 is connected to the support arm 117 by a snap.

[0026] The debris trough 119 is arranged on the left side base surface of the material trough and is located on one side of the filter screen 102, and the discharge port 120 is arranged on the left side base surface of the material trough.

[0027] The use method of the utility model is as follows: when the pyromellitic anhydride raw material needs to be filtered, the first motor 109 needs to be started first, so that the traction rope 111 pulls the movable baffle 103 upwards through the auxiliary wheel 108, and the filter screen 102 is set in the material tank through the mounting block 101, and then the pyromellitic anhydride raw material is poured into the material tank, and filtered by the filter screen 102. During the filtration, the debris in the pyromellitic anhydride raw material is blocked by the filter screen 102, and then the second motor 113 is started to make the sliding block 116 slide in the limiting groove 115, so that the support arm 117 slides back and forth in the material tank with the scraper 118, and the debris on the filter screen 102 is scraped out by the scraper 118, so that the debris is moved to the debris tank 119 under the push of the scraper 118, so that the debris is discharged through the debris tank 119, and the material is discharged through the discharge port 120 after the pyromellitic anhydride raw material is filtered.

[0028] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A pyromellitic dianhydride raw material filtering device, comprising a filtering mechanism (100), characterized in that: The filtering mechanism (100) comprises a material trough, wherein a plurality of mounting blocks (101) are provided in the material trough, a filter screen (102) is provided on the mounting block (101), a movable baffle (103) is provided on one side of the filter screen (102), a slide groove (104) is provided on one side of the movable baffle (103), a round rod (105) is provided in the slide groove (104), a fixed block (106) is provided on the movable baffle (103), a column (107) is provided on the material trough, an auxiliary wheel (108) is provided on the column (107), a first motor (109) is provided on the rear side of the material trough, and a driving wheel ( 110), a traction rope (111) is provided on the driving wheel (110), a storage plate (112) is provided on the front side of the material trough, a second motor (113) is provided on the storage plate (112), a screw rod (114) is provided on the second motor (113), a limiting groove (115) is provided on one side of the second motor (113), a sliding block (116) is provided in the limiting groove (115), a support arm (117) is provided on the sliding block (116), a scraper (118) is provided on the support arm (117), a debris trough (119) is provided on the left side of the material trough, and a discharge port (120) is provided at the bottom of the debris trough (119).

2. A pyromellitic dianhydride raw material filtering device as claimed in claim 1, characterized in that: The mounting block (101) is arranged around the material trough, the filter screen (102) is arranged on the upper base surface of the mounting block (101), one end of the movable baffle (103) is arranged on the inner wall of the material trough, and one end of the movable baffle (103) is arranged in the slide groove (104) through the round rod (105).

3. A pyromellitic dianhydride raw material filtering device as claimed in claim 1, characterized in that: The fixed block (106) is arranged on the upper base surface of the movable baffle (103), the column (107) is arranged on the upper base surface of the material trough, the auxiliary wheel (108) is arranged on the inner side wall of the column (107), the first motor (109) is arranged on the rear side base surface of the material trough, and the driving wheel (110) is arranged at the output end of the first motor (109).

4. A pyromellitic dianhydride raw material filtering device as claimed in claim 1, characterized in that: One end of the traction rope (111) is arranged on the driving wheel (110), and the other end is connected to the fixed block (106) through the auxiliary wheel (108).

5. A pyromellitic dianhydride raw material filtering device as claimed in claim 1, characterized in that: The storage plate (112) is arranged on the side base surface of the front side of the material trough, the second motor (113) is arranged on the upper base surface of the storage plate (112), the lower base surface of the limiting groove (115) is connected to the upper base surface of the storage plate (112), and one end of the screw rod (114) is arranged at the output end of the second motor (113), and the other end passes through the side base surface of the limiting groove (115) and is connected to the inner side wall of the limiting groove (115).

6. A pyromellitic dianhydride raw material filtering device as claimed in claim 1, characterized in that: The sliding block (116) is slidably arranged in the limiting groove (115) through the screw rod (114); one end of the support arm (117) is arranged on the side base surface of the sliding block (116), and the other end is extended and arranged inside the material trough; the scraper (118) is arranged on the side base surface of the support arm (117).

7. A pyromellitic dianhydride raw material filtering device as claimed in claim 1, characterized in that: The debris trough (119) is arranged on the left side base surface of the material trough and is located on one side of the filter screen (102), and the discharge port (120) is arranged on the left side base surface of the material trough.

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