Filter screen anti-blocking device for rubber additive production

Abstract

The utility model relates to a filter screen anti-blocking device for rubber additive production, which comprises a box body with an upward opening, an inverted V-shaped filter screen arranged in the box body, a plurality of filter holes formed in the filter screen, a feed opening formed in the bottom of the box body, discharge openings formed in the two sides of the box body, positioning columns arranged on the two sides below the filter screen respectively, and two limiting columns arranged in the middle below the filter screen. A scraping rod is connected to the corresponding positioning column and limiting column in a sliding mode, a plurality of sliding grooves are formed in the scraping rod, and ejector blocks are connected into the sliding grooves in a sliding mode. The filter screen is installed in the box body, rubber auxiliary material particles are put into the box body, the particles are screened in the process of moving downwards along the gradient on the filter screen, small particles falling off through the filter screen are discharged through the discharging port, and large particles not falling off through the filter screen are discharged through the discharging port. The scraping rod slides along the limiting column and the positioning column in a reciprocating manner, so that the ejection block can clean the filter holes in the filter screen under the action of the spring, and the filter screen is prevented from being blocked.

Description

Technical Field

[0001] The utility model relates to a rubber additive production technology, in particular to a filter screen anti-blocking device for rubber additive production. Background Art

[0002] Rubber additives refer to a general term for a series of fine chemical products added during the processing of natural rubber or synthetic rubber into rubber products to give rubber products performance, ensure the service life of rubber products, and improve the processing performance of rubber compounds; there are many types of rubber additives, such as vulcanizing agents, accelerators, activators, anti-reversion additives, rubber reinforcing additives, etc.

[0003] Existing rubber additives usually need to be screened for particle size during processing to obtain suitable reaction raw materials. Existing screening filters are easily clogged and are not convenient for auxiliary screening and discharging of materials. Utility Model Content

[0004] The utility model aims to provide a filter screen anti-blocking device for rubber additive production, which is used to solve the problem that the existing rubber additive production screening filter screen is easily blocked and is inconvenient for auxiliary screening and unloading of materials.

[0005] In order to solve the above problems, the utility model provides a filter anti-blocking device for the production of rubber additives, comprising a box body with an upward opening, an inverted V-shaped filter screen provided in the box body, a plurality of filter holes provided on the filter screen, a feed opening provided at the bottom of the box body, a discharge opening provided on both sides of the box body, positioning columns provided on both sides below the filter screen, two limit columns provided in the middle below the filter screen, a scraper rod slidably connected to the corresponding positioning columns and limit columns, a plurality of slide grooves are provided on the scraper rod, a top block is slidably connected in the slide groove, the bottom of the top block is connected to the scraper rod via a spring, the top of the top block is arc-shaped, the top of the top block can be inserted into the corresponding filter hole, a strip hole is provided in the middle of the filter screen, a vertical rod is slidably connected in the strip hole, and the top of the vertical rod is connected to an inverted V-shaped shifting rod by a bolt.

[0006] The filter screen anti-blocking device for rubber additive production provided by the utility model also has the following technical features:

[0007] Furthermore, a support frame is fixed to the bottom of the box.

[0008] Furthermore, a rotatable screw is provided in the box body, a connecting rod is fixed to the lower side of the two scraping rods, and the screw is threadedly connected to the middle part of the connecting rod.

[0009] Furthermore, the bottom of the vertical rod is fixedly connected to the upper side of the connecting rod.

[0010] Furthermore, a motor is fixedly mounted on the front side of the box, and an output end of the motor is fixedly connected to one end of the lead screw.

[0011] Furthermore, the inner wall of the box body is provided with two oppositely arranged supports, the filter screen is located on the upper side of the two supports, and slots are opened on both sides of the filter screen. Limit seats are fixed on both sides of the box body, and a cross rod is slidably connected in the limit seat. One end of the cross rod can pass through the box body and be inserted into the corresponding slot, and the other end of the cross rod extends out of the limit seat. The stepped surface on one side of the cross rod is connected to the limit seat through a compression spring.

[0012] The utility model has the following beneficial effects: by installing the filter screen in the box, rubber additive material particles are put into the box, and the particles are screened in the process of moving downward along the slope of the filter screen. Small particles that fall through the filter screen are discharged through the discharge port, while large particles that do not fall through the filter screen are discharged through the discharge port. By making the scraper rod slide back and forth along the limit column and the positioning column, the top block can clean the filter holes on the filter screen under the action of the spring, thereby avoiding clogging of the filter screen, and the vertical rod drives the shifting rod to move back and forth, which can shift the material, thereby facilitating screening and discharging. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is an axonometric diagram of an embodiment of the present utility model;

[0014] Figure 2 This is a front cutaway view of an embodiment of the present utility model;

[0015] Figure 3 It is a right side cutaway view of an embodiment of the present utility model;

[0016] Figure 4 For the embodiment of the utility model Figure 2 Schematic diagram of the structure enlarged at point A in the middle. DETAILED DESCRIPTION

[0017] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.

[0018] like Figures 1 to 4In the embodiment of the filter screen anti-blocking device for rubber chemical production of the present invention shown in the figure, the filter screen anti-blocking device for rubber chemical production includes a box body 1 with an upward opening, an inverted V-shaped filter screen 2 is provided in the box body 1, and a plurality of filter holes are provided on the filter screen 2. A feed opening 3 is provided at the bottom of the box body 1, and a discharge opening 4 is provided on both sides of the box body 1. Positioning columns 5 are provided on both sides below the filter screen 2, and two limiting columns 6 are provided in the middle below the filter screen 2. A scraper rod 7 is slidably connected to the corresponding positioning column 5 and the limiting column 6. A plurality of slide grooves are provided on the scraper rod 7. A top block 8 is slidably connected in the slide groove. The bottom of the top block 8 is connected to the scraper rod 7 via a spring. The top of the top block 8 is arranged in an arc shape, and the top of the top block 8 can be inserted into the corresponding filter hole. A strip hole is provided in the middle of the filter screen 2, and a vertical rod 9 is slidably connected in the strip hole. The top of the vertical rod 9 is connected to an inverted V-shaped shifting rod 10 by bolts. By installing the filter screen 2 in the box body 1, the rubber additive material particles are put into the box body 1, and the particles are screened in the process of moving downward along the slope on the filter screen 2. The small particles falling through the filter screen 2 are discharged through the discharge port 3, and the large particles that do not pass through the filter screen 2 are discharged through the discharge port 4. By making the scraper rod 7 slide back and forth along the limit column 6 and the positioning column 5, the top block 8 can clean the filter holes on the filter screen 2 under the action of the spring, thereby avoiding clogging of the filter screen 2, and the vertical rod 9 drives the shifting rod 10 to move back and forth, which can shift the material, thereby facilitating screening and discharging.

[0019] In one embodiment of the present application, preferably, a support frame 11 is fixed to the bottom of the box body 1 , and the number of the support frames 11 is two, and the device is supported by the support frames 11 .

[0020] In one embodiment of the present application, preferably, a rotatable screw 12 is provided in the box body 1, and a connecting rod 13 is fixed to the lower side of the two scraper rods 7. The screw 12 is threadedly connected to the middle part of the connecting rod 13. The screw 12 rotates forward and backward, which can drive the connecting rod 13 and the two scraper rods 7 to move back and forth.

[0021] In one embodiment of the present application, preferably, the bottom of the vertical rod 9 is fixedly connected to the upper side of the connecting rod 13, and the reciprocating movement of the connecting rod 13 can drive the vertical rod 9 and the shifting rod 10 to move reciprocally, thereby facilitating the shifting of materials.

[0022] In one embodiment of the present application, preferably, a motor 14 is fixedly installed on the front side of the box body 1, and the output end of the motor 14 is fixedly connected to one end of the screw 12. The screw 12 is driven to rotate by starting the motor 14, and the screw 12 is driven to rotate forward and reverse by the forward and reverse rotation of the output shaft of the motor 14.

[0023] In one embodiment of the present application, preferably, two oppositely arranged supports 15 are provided on the inner side wall of the box body 1, the filter screen 2 is located on the upper side of the two supports 15, and slots are provided on both sides of the filter screen 2. Limit seats 16 are fixed on both sides of the box body 1, and a cross rod 17 is slidably connected in the limit seat 16. One end of the cross rod 17 can pass through the box body 1 and be inserted into the corresponding slot, and the other end of the cross rod 17 extends out of the limit seat 16. The stepped surface on one side of the cross rod 17 is connected to the limit seat 16 through a compression spring, and the cross rod 17 is inserted into the slot under the action of the compression spring, thereby playing a limiting role on the filter screen 2, and then the filter screen 2 is easily disassembled and cleaned by pulling the cross rod 17.

[0024] When the utility model is in use, the cross rod 17 is inserted into the card slot under the action of the compression spring, so that the filter screen 2 is installed in the box body 1, and the rubber additive material particles are put into the box body 1. The particles are screened in the process of moving downward along the slope on the filter screen 2. The small particles falling through the filter screen 2 are discharged through the discharge port 3, and the large particles that do not fall through the filter screen 2 are discharged through the discharge port 4. The motor 14 is started to drive the screw 12 to rotate, and the output shaft of the motor 14 drives the screw 12 to rotate forward and backward, so that the scraper rod 7 can slide back and forth along the limit column 6 and the positioning column 5, so that the top block 8 can clean the filter holes on the filter screen 2 under the action of the spring, thereby avoiding clogging of the filter screen 2. The reciprocating movement of the connecting rod 13 can drive the vertical rod 9 and the shifting rod 10 to move back and forth, which can shift the material, thereby facilitating screening and discharging.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A filter screen anti-blocking device for rubber additive production, comprising a box body (1) with an opening facing upward, characterized in that: The box body (1) is provided with an inverted V-shaped filter screen (2), and the filter screen (2) is provided with a plurality of filter holes. The bottom of the box body (1) is provided with a feed opening (3), and both sides of the box body (1) are provided with discharge openings (4). Positioning columns (5) are provided on both sides below the filter screen (2), and two limiting columns (6) are provided in the middle below the filter screen (2). A scraper (7) is slidably connected to the corresponding positioning columns (5) and the limiting columns (6). The scraper (7) is provided with a plurality of chutes, and a top block (8) is slidably connected in the chutes. The bottom of the top block (8) is connected to the scraper (7) via a spring, and the top of the top block (8) is arranged in an arc shape. The top of the top block (8) can be inserted into the corresponding filter hole. A strip hole is provided in the middle of the filter screen (2), and a vertical rod (9) is slidably connected in the strip hole. The top of the vertical rod (9) is connected to an inverted V-shaped shifting rod (10) by a bolt.

2. The filter screen anti-blocking device for rubber chemical production according to claim 1, characterized in that: A support frame (11) is fixed to the bottom of the box (1).

3. The filter screen anti-blocking device for rubber chemical production according to claim 1, characterized in that: A rotatable screw (12) is provided in the box body (1), a connecting rod (13) is fixed to the lower side of the two scraping rods (7), and the screw (12) is threadedly connected to the middle part of the connecting rod (13).

4. The filter screen anti-blocking device for rubber chemical production according to claim 3, characterized in that: The bottom of the vertical rod (9) is fixedly connected to the upper side of the connecting rod (13).

5. The filter screen anti-blocking device for rubber chemical production according to claim 3, characterized in that: A motor (14) is fixedly mounted on the front side of the box (1), and an output end of the motor (14) is fixedly connected to one end of the lead screw (12).

6. The filter screen anti-blocking device for rubber chemical production according to claim 1, characterized in that: The inner wall of the box body (1) is provided with two support platforms (15) arranged opposite to each other, the filter screen (2) is located on the upper side of the two support platforms (15), and slots are provided on both sides of the filter screen (2). The box body (1) is fixed with limit seats (16) on both sides, and a cross rod (17) is slidably connected in the limit seat (16). One end of the cross rod (17) can pass through the box body (1) and be inserted into the corresponding slot, and the other end of the cross rod (17) extends out of the limit seat (16), and a stepped surface on one side of the cross rod (17) is connected to the limit seat (16) via a compression spring.

Images