Plastic particle grading and screening device

Abstract

The utility model discloses a plastic particle grading and screening device, which relates to the field of plastic particle screening and is characterized by comprising a base, a support frame is slidably connected to the top surface of the base, an L-shaped plate is fixedly connected to the top end of the support frame, and a screening box for screening plastic particles is placed on the surface of the L-shaped plate. A clamping and positioning assembly used for limiting the screening box is arranged on the surface of the L-shaped plate, a shaking assembly used for controlling the supporting frame to slide is further arranged on the top face of the base, a collecting box is fixedly connected to the surface of the supporting frame and located below the screening box, and a discharging pipe is fixedly connected to the bottom of the collecting box in an inserted mode. According to the plastic particle grading screening device, the effect that the screening structure can be conveniently and rapidly replaced in the using process is achieved, so that screening structures of different specifications are replaced, the effect of screening plastic particles of different specifications is achieved, and the using requirement is better met.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic particle screening, and more specifically, to a plastic particle grading and screening device. Background Art

[0002] Plastics are polymer compounds that are polymerized from monomers through addition or condensation reactions. Plastics have strong plasticity and can be produced into products of various shapes, so they are widely used. Plastic products are produced by melting the raw materials, adding additives, and then molding. Generally, plastic raw materials are granular. In order to ensure uniform melting, the plastic particles must be uniform in size. Therefore, plastic particles need to be screened and divided into particles of different levels for production.

[0003] The Chinese patent document with the authorization announcement number CN217531479U discloses a plastic particle classification and screening device, including a base, a rotatably connected mounting frame provided on the base, and a screening cylinder assembly, which is rotatably provided on the mounting frame, and a driving member is fixedly connected to the mounting frame. With respect to the above technical solution, the following defects still exist: in the actual screening process, the plastic particles to be screened each time may be different, and the specifications of the leakage holes in the prior art are fixed, so it is difficult to screen plastic particles of different specifications, and it is difficult to meet the actual use requirements.

[0004] Therefore, a new solution needs to be proposed to solve this problem. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a plastic particle grading and screening device.

[0006] The above-mentioned technical purpose of the utility model is achieved through the following technical solutions: a plastic particle grading and screening device, comprising a base, the top surface of the base is slidably connected to a support frame, the top of the support frame is fixedly connected to an L-shaped plate, a screening box for screening plastic particles is placed on the surface of the L-shaped plate, the surface of the L-shaped plate is provided with a clamping and positioning assembly for limiting the screening box, the top surface of the base is also provided with a shaking assembly for controlling the sliding of the support frame, the surface of the support frame is fixedly connected to a collecting box, and the collecting box is located below the screening box, the bottom of the collecting box is fixedly connected to a discharge pipe, and the surface of the discharge pipe is provided with a control valve.

[0007] The utility model is further configured as follows: the clamping and positioning assembly includes a double-headed screw, and the double-headed screw is rotatably connected to the L-shaped plate, both ends of the double-headed screw are threadedly connected to connecting rods, and the connecting rods are movably plugged into the L-shaped plate, the end of the connecting rod is fixedly connected to a C-shaped clamp block, and the C-shaped clamp block is in contact with the surface of the screening box, and the clamping and positioning assembly also includes an adjustment assembly for controlling the rotation of the double-headed screw.

[0008] The utility model is further configured as follows: the adjustment component includes a worm, and the worm is rotatably connected to the L-shaped plate, the end of the worm is fixedly connected with a knob, the middle part of the double-headed screw is fixedly sleeved with a worm wheel, and the worm wheel is meshed with the worm.

[0009] The utility model is further configured as follows: a non-slip pad is fixedly connected to the surface of the C-shaped clamp block, and the non-slip pad is made of rubber, the number of the L-shaped plates and the clamping positioning components are two groups, and the two groups of L-shaped plates and the clamping positioning components are respectively located on the front and rear sides of the screening box.

[0010] The utility model is further configured as follows: the shaking assembly includes a motor, and the motor is fixedly mounted on the top surface of the base, the output end of the motor is fixedly connected to a rotating shaft, the end of the rotating shaft is fixedly connected to a turntable, the back of the turntable is rotatably connected to a traction rod, the surface of the support frame is fixedly connected to a support rod, and the support rod is rotatably connected to the traction rod.

[0011] The utility model is further configured as follows: a sliding block is fixedly connected to the bottom end of the support frame, a guiding groove is provided on the top surface of the base, and an inner wall of the guiding groove is slidably connected to the surface of the sliding block.

[0012] In summary, the utility model has the following beneficial effects: plastic particles are put into the interior of the screening box, and the plastic particles are screened by the screening box. Smaller plastic particles will fall into the collecting box, and larger plastic particles will remain in the screening box, thereby realizing the graded screening of the plastic particles. The plastic particles in the collecting box can be discharged by opening the control valve on the surface of the discharge pipe. During the screening process, the support frame is controlled to move back and forth horizontally by the shaking component, thereby driving the L-shaped plate and the screening box to move, and the plastic particles inside the screening box are shaken to avoid the accumulation of plastic particles, thereby improving the screening rate. When screening boxes of different specifications need to be used, the limit on the end of the screening box is released by the clamping and positioning component, and the screening box is pulled upward to disassemble the screening box. Screening boxes of different specifications are placed on the surface of the L-shaped plate, and the screening box is clamped and positioned again by the clamping and positioning component to complete the replacement. In use, the effect of facilitating the rapid replacement of the screening structure is achieved, thereby replacing screening structures of different specifications, achieving the effect of screening plastic particles of different specifications, and better meeting the use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0014] Figure 2 This is a top view of the base structure of the utility model;

[0015] Figure 3 This is a front cross-sectional view of the L-shaped plate structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the collection box of the utility model.

[0017] In the figure: 1. base; 2. support frame; 3. L-shaped plate; 4. screening box; 5. clamping and positioning assembly; 501. double-headed screw; 502. connecting rod; 503. C-shaped clamp block; 504. anti-slip pad; 505. worm; 506. knob; 507. worm gear; 6. collecting box; 7. discharge pipe; 8. shaking assembly; 801. motor; 802. rotating shaft; 803. turntable; 804. traction rod; 805. support rod; 806. slider; 807. guide groove. DETAILED DESCRIPTION

[0018] The utility model is described in detail below in conjunction with the accompanying drawings and embodiments.

[0019] Plastic granule grading and screening device, reference Figures 1 to 4 As shown, it includes a base 1, the top surface of the base 1 is slidably connected to a support frame 2, the top of the support frame 2 is fixedly connected to an L-shaped plate 3, a screening box 4 for screening plastic particles is placed on the surface of the L-shaped plate 3, the surface of the L-shaped plate 3 is provided with a clamping positioning component 5 for limiting the screening box 4, the top surface of the base 1 is also provided with a shaking component 8 for controlling the sliding of the support frame 2, the surface of the support frame 2 is fixedly connected to a collecting box 6, and the collecting box 6 is located below the screening box 4, the bottom of the collecting box 6 is fixedly plugged with a discharge pipe 7, and the surface of the discharge pipe 7 is provided with a control valve.

[0020] In the above embodiment: the plastic particles are put into the screening box 4, and the plastic particles are screened by the screening box 4. The smaller plastic particles will fall into the collecting box 6, and the larger plastic particles will be left in the screening box 4, thereby realizing the graded screening of the plastic particles. The plastic particles in the collecting box 6 can be discharged by opening the control valve on the surface of the discharge pipe 7. During the screening process, the support frame 2 is controlled to move back and forth horizontally by the shaking component 8, thereby driving the L-shaped plate 3 and the screening box 4 to move, and the plastic particles in the screening box 4 are shaken to avoid the plastic particles Accumulation occurs, thereby increasing the screening rate. When screening boxes 4 of different specifications are needed, the limit on the end of the screening box 4 is released by the clamping and positioning component 5, and the screening box 4 is pulled upward to disassemble the screening box 4. The screening boxes 4 of different specifications are placed on the surface of the L-shaped plate 3, and the screening box 4 is clamped and positioned again by the clamping and positioning component 5 to complete the replacement. During use, the screening structure is easily replaced quickly, thereby replacing screening structures of different specifications, achieving the effect of screening plastic particles of different specifications, and better meeting the use requirements.

[0021] refer to Figure 1 , Figure 3 As shown, the clamping and positioning assembly 5 includes a double-headed screw 501, and the double-headed screw 501 is rotatably connected to the L-shaped plate 3, both ends of the double-headed screw 501 are threadedly connected to a connecting rod 502, and the connecting rod 502 is movably plugged into the L-shaped plate 3, the end of the connecting rod 502 is fixedly connected to a C-shaped clamp block 503, and the C-shaped clamp block 503 is in contact with the surface of the screening box 4, and the clamping and positioning assembly 5 also includes an adjustment assembly for controlling the rotation of the double-headed screw 501.

[0022] In the above embodiment: the double-headed screw 501 is controlled to rotate by the adjusting component, and under the action of the thread on its surface, the connecting rod 502 will be driven to move, and the connecting rod 502 will drive the C-shaped clamp 503 to move, so that the C-shaped clamp 503 is close to or away from the end of the screening box 4, thereby limiting or releasing the limiting of the screening box 4.

[0023] refer to Figure 1 , Figure 3 As shown, the adjustment assembly includes a worm 505, and the worm 505 is rotatably connected to the L-shaped plate 3, the end of the worm 505 is fixedly connected to a knob 506, the middle of the double-headed screw 501 is fixedly sleeved with a worm wheel 507, and the worm wheel 507 is meshed with the worm 505.

[0024] In the above embodiment, the user rotates the knob 506 to drive the worm 505 to rotate, thereby driving the worm wheel 507 meshing with the worm 505 to rotate, thereby controlling the double-headed screw 501 to rotate.

[0025] refer to Figure 1 , Figure 3 As shown, the surface of the C-shaped clamp block 503 is fixedly connected with an anti-skid pad 504, and the anti-skid pad 504 is made of rubber. The number of L-shaped plates 3 and clamping positioning components 5 is two groups, and the two groups of L-shaped plates 3 and clamping positioning components 5 are respectively located on the front and rear sides of the screening box 4.

[0026] In the above embodiment: by providing an anti-slip pad 504 made of rubber material, the C-shaped clamp block 503 is more tightly connected to the surface of the L-shaped plate 3, and it is not easy to cause damage to the surface of the screening box 4. By symmetrically arranging two groups of L-shaped plates 3 and clamping positioning components 5, the screening box 4 is limited at the front and rear sides, so that the connection between the screening box 4 and the L-shaped plate 3 is more stable.

[0027] refer to Figure 1 , Figure 2 As shown, the shaking assembly 8 includes a motor 801, and the motor 801 is fixedly installed on the top surface of the base 1, the output end of the motor 801 is fixedly connected to the rotating shaft 802, the end of the rotating shaft 802 is fixedly connected to the turntable 803, the back of the turntable 803 is rotatably connected to the traction rod 804, the surface of the support frame 2 is fixedly connected to the support rod 805, and the support rod 805 is rotatably connected to the traction rod 804.

[0028] In the above embodiment: the motor 801 is operated to drive the rotating shaft 802 to rotate, thereby driving the turntable 803 to rotate, and the turntable 803 will drive the right end of the traction rod 804 to rotate back and forth, thereby pulling the support rod 805 to move back and forth horizontally, which can drive the support frame 2, the L-shaped plate 3 and the screening box 4 to move back and forth, shake the plastic particles in the screening box 4, and accelerate the screening of the plastic particles from the screening box 4.

[0029] refer to Figure 2 As shown, a slider 806 is fixedly connected to the bottom end of the support frame 2 , a guide groove 807 is provided on the top surface of the base 1 , and the inner wall of the guide groove 807 is slidably connected to the surface of the slider 806 .

[0030] In the above embodiment: when the shaking assembly 8 drives the support frame 2 to move, the support frame 2 will drive the slider 806 to slide along the inner wall of the guide groove 807. The slider 806 and the guide groove 807 cooperate to limit the support frame 2, making the support frame 2 more stable during movement.

[0031] Working principle: put the plastic particles into the screening box 4, and screen the plastic particles through the screening box 4. The smaller plastic particles will fall into the collecting box 6, and the larger plastic particles will remain in the screening box 4, thereby realizing the graded screening of the plastic particles. The plastic particles in the collecting box 6 can be discharged by opening the control valve on the surface of the discharge pipe 7. During the screening process, the support frame 2 is controlled to move back and forth horizontally by the shaking component 8, thereby driving the L-shaped plate 3 and the screening box 4 to move, and the plastic particles inside the screening box 4 are shaken to avoid the accumulation of plastic particles, thereby improving the screening rate. When screening boxes 4 of different specifications are needed, the limit on the end of the screening box 4 is released by the clamping and positioning component 5, and the screening box 4 is pulled upward to disassemble the screening box 4. The screening boxes 4 of different specifications are placed on the surface of the L-shaped plate 3, and the screening box 4 is clamped and positioned again by the clamping and positioning component 5 to complete the replacement.

[0032] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. Plastic particle grading and screening device, characterized by: The invention comprises a base (1), the top surface of the base (1) is slidably connected to a support frame (2), the top of the support frame (2) is fixedly connected to an L-shaped plate (3), a screening box (4) for screening plastic particles is placed on the surface of the L-shaped plate (3), a clamping positioning component (5) for limiting the position of the screening box (4) is arranged on the surface of the L-shaped plate (3), a shaking component (8) for controlling the sliding of the support frame (2) is also arranged on the top surface of the base (1), a collecting box (6) is fixedly connected to the surface of the support frame (2), and the collecting box (6) is located below the screening box (4), a discharge pipe (7) is fixedly plugged into the bottom of the collecting box (6), and a control valve is arranged on the surface of the discharge pipe (7).

2. The plastic particle grading and screening device according to claim 1, characterized in that: The clamping and positioning assembly (5) comprises a double-headed screw (501), and the double-headed screw (501) is rotatably connected to the L-shaped plate (3), both ends of the double-headed screw (501) are threadedly connected to connecting rods (502), and the connecting rods (502) and the L-shaped plate (3) are movably plugged, and the ends of the connecting rods (502) are fixedly connected to C-shaped clamping blocks (503), and the C-shaped clamping blocks (503) are in contact with the surface of the screening box (4), and the clamping and positioning assembly (5) further comprises an adjustment assembly for controlling the rotation of the double-headed screw (501).

3. The plastic particle classification and screening device according to claim 2, characterized in that: The adjustment assembly comprises a worm (505), and the worm (505) is rotatably connected to the L-shaped plate (3), a knob (506) is fixedly connected to the end of the worm (505), a worm wheel (507) is fixedly sleeved at the middle of the double-headed screw (501), and the worm wheel (507) is meshed with the worm (505).

4. The plastic particle classification and screening device according to claim 3, characterized in that: The surface of the C-shaped clamp block (503) is fixedly connected with an anti-skid pad (504), and the anti-skid pad (504) is made of rubber. The number of the L-shaped plates (3) and the clamping and positioning components (5) is two, and the two groups of L-shaped plates (3) and the clamping and positioning components (5) are respectively located at the front side and the rear side of the screening box (4).

5. The plastic particle classification and screening device according to claim 1, characterized in that: The shaking assembly (8) comprises a motor (801), and the motor (801) is fixedly mounted on the top surface of the base (1); the output end of the motor (801) is fixedly connected to a rotating shaft (802); the end of the rotating shaft (802) is fixedly connected to a rotating disk (803); the back of the rotating disk (803) is rotatably connected to a traction rod (804); the surface of the support frame (2) is fixedly connected to a support rod (805), and the support rod (805) is rotatably connected to the traction rod (804).

6. The plastic particle classification and screening device according to claim 5, characterized in that: The bottom end of the support frame (2) is fixedly connected to a slider (806), the top surface of the base (1) is provided with a guide groove (807), and the inner wall of the guide groove (807) is slidably connected to the surface of the slider (806).

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