A phenolic resin particle screening device

Abstract

The utility model relates to phenolic resin screening technical field, concretely relates to a kind of phenolic resin particle screening device, including base and screening subassembly;Screening subassembly includes two mounting brackets, screen frame, screen, cam and elastic rod, two mounting brackets are respectively fixedly connected with base, two mounting brackets are spaced apart and set in the top of base, the both sides of screen frame are respectively rotatably connected with two mounting brackets, cam is movably set in the top of base, the top of cam and the bottom of screen frame are contacted, elastic rod is fixedly installed in the top of base, elastic rod is located at the end of screen frame away from cam, the top of elastic rod and the bottom of screen frame are contacted, screen is fixedly installed in the inboard of screen frame;When cam rotates, it can drive screen frame to shake back and forth in vertical plane, so that phenolic resin particle on screen rolls back and forth on screen, to prevent phenolic resin particle from causing blockage on screen, to improve screening efficiency.

Description

Technical Field

[0001] This utility model relates to the field of phenolic resin screening technology, and in particular to a phenolic resin particle screening device. Background Technology

[0002] Phenolic resins are mostly in granular or powder form. During processing, phenolic resins are made into granules, but after granulation, there are often large particles and broken small particles, so screening is necessary. Existing phenolic resin particle screening devices use inclined filter screens. If too much material is added at once, some material will not pass through the fine-pore filter screen and will be vibrated to the coarse-pore filter screen, thus affecting the screening accuracy.

[0003] Utility model patent CN219522721U discloses a phenolic resin particle screening device. By adjusting and fixing the height of the adjusting plate, a certain gap is created between the adjusting plate and the filter screen to allow material to pass through. When phenolic resin particles are added into the linear screening machine, most of them are blocked by the baffle. If too many phenolic resin particles accumulate, they will be discharged from the gap, thus avoiding material accumulation and effectively preventing some material from being discharged directly without screening. At the same time, it can perform periodic top-operated unloading to achieve uniform feeding of phenolic resin particles, ultimately ensuring the accuracy of screening.

[0004] However, if too much material is added at once, the phenolic resin can easily accumulate on the screen, causing blockage and affecting screening efficiency. Utility Model Content

[0005] The purpose of this invention is to provide a phenolic resin particle screening device, which solves the problem that excessive material added at one time can cause phenolic resin to accumulate on the screen, resulting in blockage and affecting screening efficiency.

[0006] To achieve the above objectives, this utility model provides a phenolic resin particle screening device, including a base and a screening assembly; the screening assembly includes two mounting brackets, a screen frame, a screen mesh, a cam, and an elastic rod. The two mounting brackets are respectively fixedly connected to the base and are spaced apart above the base. The two sides of the screen frame are rotatably connected to the two mounting brackets respectively. The cam is movably disposed above the base, with its top contacting the bottom of the screen frame. The elastic rod is fixedly installed above the base, located at the end of the screen frame away from the cam, with its top contacting the bottom of the screen frame. The screen mesh is fixedly installed inside the screen frame.

[0007] The elastic rod includes an outer cylinder, a first spring, and an inner cylinder. The bottom of the outer cylinder is fixedly connected to the machine base, the inner cylinder is slidably connected to the outer cylinder, the top of the inner cylinder is in contact with the bottom of the screen frame, and the two ends of the first spring are fixedly connected to the outer cylinder and the inner cylinder respectively. The first spring is located inside the outer cylinder.

[0008] The screen frame is provided with a positioning frame on its inner side, and a limiting post is provided above the positioning frame. The screen mesh has a limiting groove that is adapted to the limiting post, and the limiting post is located inside the limiting groove.

[0009] The screen frame has a shielding structure on its inner side. The shielding structure includes a second spring and a shielding frame. The two ends of the second spring are fixedly connected to the screen frame and the shielding frame, respectively. The shielding frame is slidably connected to the screen frame. The end of the shielding frame away from the second spring is located above the screen.

[0010] The screening assembly also includes a guide plate, which is fixedly connected to the machine base and is inclinedly disposed below the screen.

[0011] This utility model discloses a phenolic resin particle screening device. When the cam rotates, it can squeeze the screen frame upward, while the elastic rod elastically supports the screen frame upward, so that the top of the cam always keeps in contact with the bottom of the screen frame. Therefore, when the cam rotates, it can drive the screen frame to swing back and forth in the vertical plane, causing the phenolic resin particles on the screen to roll back and forth on the screen, preventing the phenolic resin particles from clogging the screen, thereby improving screening efficiency and solving the problem that if too much material is added at one time, the phenolic resin will easily accumulate on the screen and cause clogging, affecting screening efficiency. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0013] Figure 1 This is a schematic diagram of the structure of a phenolic resin particle screening device according to the present invention.

[0014] Figure 2 This is a structural cross-sectional view of a phenolic resin particle screening device according to the present invention.

[0015] Figure 3 This utility model relates to a phenolic resin particle screening device. Figure 2 A magnified view of a portion of point A in the middle.

[0016] 100-Base, 210-Mounting frame, 220-Screen frame, 221-Positioning frame, 222-Limiting post, 230-Screen mesh, 231-Limiting groove, 240-Cam, 251-Outer cylinder, 252-First spring, 253-Inner cylinder, 261-Second spring, 262-Blocking frame, 270-Guide plate. Detailed Implementation

[0017] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0018] Please see Figures 1 to 3 , Figure 1 This is a schematic diagram of the structure of a phenolic resin particle screening device according to the present invention. Figure 2 This is a structural cross-sectional view of a phenolic resin particle screening device according to this utility model. Figure 3 This utility model relates to a phenolic resin particle screening device. Figure 2 A magnified view of a portion of point A in the middle.

[0019] This utility model provides a phenolic resin particle screening device, including a base 100 and a screening assembly. The screening assembly includes two mounting brackets 210, a screen frame 220, a screen mesh 230, a cam 240, an elastic rod, and a guide plate 270. The elastic rod includes an outer cylinder 251, a first spring 252, and an inner cylinder 253.

[0020] In this specific embodiment, the two mounting brackets 210 are fixedly connected to the machine base 100, and the two mounting brackets 210 are spaced apart above the machine base 100. The two sides of the screen frame 220 are rotatably connected to the two mounting brackets 210. The cam 240 is movably disposed above the machine base 100, and the top of the cam 240 contacts the bottom of the screen frame 220. The elastic rod is fixedly installed above the machine base 100, and the elastic rod is located at the end of the screen frame 220 away from the cam 240. The top of the elastic rod contacts the bottom of the screen frame 220. The screen mesh 230 is fixedly installed on the inner side of the screen frame 220. The screen frame 220 is installed between two mounting brackets 210, with the mounting brackets 210 located in the middle of the screen frame 220. The screen frame 220 can rotate in a vertical plane around the mounting brackets 210. The screen mesh 230 is installed on the inner side of the screen frame 220 and is used to screen phenolic resin particles. The cam 240 and the elastic rod are located at opposite ends of the bottom of the screen frame 220. The cam 240 can be driven by a motor or other driving device to rotate, and the elastic rod is elastic to support the screen frame 220 upwards. When the cam 240 rotates, it can press the screen frame 220 upward, while the elastic rod elastically supports the screen frame 220 upward, so that the top of the cam 240 always keeps in contact with the bottom of the screen frame 220. Therefore, when the cam 240 rotates, it can drive the screen frame 220 to swing back and forth in the vertical plane, causing the phenolic resin particles on the screen 230 to roll back and forth on the screen 230, preventing the phenolic resin particles from clogging the screen 230, thereby improving the screening efficiency and solving the problem that if too much material is added at one time, the phenolic resin will easily accumulate on the screen 230 and cause clogging, affecting the screening efficiency.

[0021] Furthermore, the bottom of the outer cylinder 251 is fixedly connected to the machine base 100, the inner cylinder 253 is slidably connected to the outer cylinder 251, the top of the inner cylinder 253 is in contact with the bottom of the screen frame 220, and the two ends of the first spring 252 are fixedly connected to the outer cylinder 251 and the inner cylinder 253 respectively, and the first spring 252 is located inside the outer cylinder 251. The inner cylinder 253 can slide relative to the outer cylinder 251 in a vertical plane. The first spring 252 supports the inner cylinder 253 upwards, so that the top of the inner cylinder 253 is always in contact with the bottom of the screen frame 220. When the cam 240 drives the screen frame 220 to move upwards, the end of the screen frame 220 near the elastic rod moves downwards. At this time, the inner cylinder 253 moves into the outer cylinder 251, the length of the entire elastic rod is shortened, the first spring 252 is compressed and has a restorative property, so that the inner cylinder 253 has an upward pushing tendency on the screen frame 220. Therefore, when the cam 240 no longer pushes the screen frame 220 upwards, the inner cylinder 253 supports the screen frame 220 upwards under the action of the first spring 252, so that the screen frame 220 can rotate, thereby realizing the back-and-forth swing of the screen frame 220.

[0022] Specifically, a positioning frame 221 is provided on the inner side of the screen frame 220, and a limiting post 222 is provided above the positioning frame 221. The screen mesh 230 has a limiting groove 231 that is adapted to the limiting post 222, and the limiting post 222 is located inside the limiting groove 231. The positioning frame 221 is used to place the screen frame 220, and the limiting post 222 and the limiting groove 231 cooperate with each other to fix the screen frame 220. When installing the screen mesh 230, the screen mesh 230 is placed on the positioning frame 221, and the limiting post 222 is aligned with the limiting groove 231 and inserted to position the screen mesh 230 for installation.

[0023] The screen frame 220 has an inner shielding structure, which includes a second spring 261 and a shielding frame 262. The two ends of the second spring 261 are fixedly connected to the screen frame 220 and the shielding frame 262, respectively. The shielding frame 262 is slidably connected to the screen frame 220, with one end of the shielding frame 262 away from the second spring 261 positioned above the screen mesh 230. The shielding structure is used to shield the screen mesh 230, thereby fixing it in place. The second spring 261 abuts against the shielding frame 262, causing one end of the shielding frame 262 away from the second spring 261 to abut against the screen frame 220, placing the other end of the shielding frame 262 above the screen mesh 230 to shield it. The shielding frame 262 cooperates with the positioning frame 221 to fix the screen mesh 230 inside the screen frame 220. When it is necessary to disassemble the screen 230, press the shield 262 so that the shield 262 is fully inserted into the screen frame 220 and no longer blocks the screen 230, so that the screen 230 can be removed from the inside of the screen frame 220.

[0024] In addition, the guide plate 270 is fixedly connected to the base 100, and the guide plate 270 is inclinedly disposed below the screen 230. Because the guide plate 270 is inclined, after the screen 230 screens the phenolic resin particles, the particles fall onto the guide plate 270 and move to a designated position via the guide plate 270, facilitating the recovery of the phenolic resin particles.

[0025] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A phenolic resin particle screening device, comprising a base, characterized in that, It also includes screening components; The screening assembly includes two mounting brackets, a screen frame, a screen mesh, a cam, and an elastic rod. The two mounting brackets are fixedly connected to the machine base and are spaced apart above the machine base. The two sides of the screen frame are rotatably connected to the two mounting brackets. The cam is movably disposed above the machine base, with its top contacting the bottom of the screen frame. The elastic rod is fixedly installed above the machine base, located at the end of the screen frame away from the cam, with its top contacting the bottom of the screen frame. The screen mesh is fixedly installed inside the screen frame.

2. The phenolic resin particle screening device as described in claim 1, characterized in that, The elastic rod includes an outer cylinder, a first spring, and an inner cylinder. The bottom of the outer cylinder is fixedly connected to the machine base, the inner cylinder is slidably connected to the outer cylinder, the top of the inner cylinder is in contact with the bottom of the screen frame, and the two ends of the first spring are fixedly connected to the outer cylinder and the inner cylinder respectively. The first spring is located inside the outer cylinder.

3. The phenolic resin particle screening device as described in claim 1, characterized in that, A positioning frame is provided on the inner side of the sieve frame, and a limiting post is provided above the positioning frame. The sieve mesh has a limiting groove that is adapted to the limiting post, and the limiting post is located inside the limiting groove.

4. The phenolic resin particle screening device as described in claim 3, characterized in that, The inner side of the sieve frame is provided with a shielding structure, which includes a second spring and a shielding frame. The two ends of the second spring are fixedly connected to the sieve frame and the shielding frame, respectively. The shielding frame is slidably connected to the sieve frame, and the end of the shielding frame away from the second spring is located above the sieve mesh.

5. The phenolic resin particle screening device as described in claim 1, characterized in that, The screening assembly also includes a guide plate, which is fixedly connected to the machine base and is inclinedly disposed below the screen.

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