Cable sheath insulation material screening device

Abstract

The utility model discloses a cable sheath insulation material screening device, which relates to the technical field of material screening, and comprises a screening box and a fixing frame, the fixing frame is located right below the screening box, a first spring is connected between the fixing frame and the screening box, and a feeding frame is fixedly mounted at the top of the screening box. The screening device comprises a screening box, a discharging hopper is fixedly installed at the bottom of the screening box, a plurality of discharging openings are formed in the end of the screening box, a first screen and a second screen are obliquely arranged in the screening box, the first screen and the second screen are both fixedly connected with the screening box through installation frames, and the end of the first screen and the end of the second screen are both connected with filling pads. According to the cable sheath insulation material screening device, the screening box of the screening device can be driven to swing in a reciprocating mode, discharging of the screening device is facilitated, the screening efficiency and uniformity of the screening device can be improved, limiting can be conducted at the corner of the screening box, and the situation that the screening box is collided can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to material screening technical field, especially in cable sheath insulation material screening device. BACKGROUND

[0002] The cable sheath insulation material is mainly made of polyethylene material, and in order to increase its strength and toughness, it is generally produced by mixing with silane crosslinking material, and granular raw materials are selected, which are of different sizes and easy to cause uneven mixing, affecting product quality. Before production, a screening device is needed to screen the cable sheath insulation material particles.

[0003] Chinese patent with publication number CN213967599U provides a kind of cable sheath insulation material fast screening device, including: rack and outer screening box body, the outer screening box body one side middle part is rotationally arranged on rack by first rotating shaft, lifting plate is fixedly arranged at the other side lower end of the outer screening box body, cam support is arranged on the rack at the lower end of the lifting plate, cam is rotationally arranged on the cam support by second rotating shaft and cooperates with lifting plate, the cam includes: arc low end and arc high end, the arc low end and arc high end are connected by intermediate conical part, driven pulley is arranged on the second rotating shaft, servo reduction motor is fixedly arranged on the rack at the lower end of the second rotating shaft, driving pulley is arranged on the motor shaft of the servo reduction motor, the driving pulley and driven pulley are connected by synchronous belt.

[0004] The conventional cable sheath insulation material screening device is fixed when used, and the granular raw materials are easy to stay inside, which is extremely unfavorable for the discharging process, reduces the screening efficiency of the screening device, and also affects the uniformity of screening. If the screening device can swing, it may collide during operation due to the lack of limiting structure. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a kind of cable sheath insulation material screening device, which can effectively solve the problem of the conventional cable sheath insulation material screening device in the background art, which is fixed when used, and the granular raw materials are easy to stay inside, which is extremely unfavorable for the discharging process, reduces the screening efficiency of the screening device, and also affects the uniformity of screening. If the screening device can swing, it may collide during operation due to the lack of limiting structure.

[0006] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0007] The utility model provides a cable sheath insulation material screening device, including screening box and fixing frame, the fixing frame is located the just below of screening box, and is connected with one spring between fixing frame and screening box, the top of screening box is fixedly installed with the feeding frame, and the bottom of screening box is fixedly installed with the blanking hopper, the end of screening box is equipped with a plurality of discharge ports, and the inside of screening box is provided with a no.

[0008] As a further scheme of the utility model, the reciprocating swing structure comprises a connecting seat, a connecting frame, a guide seat, a transverse moving rod and a rack plate, the connecting seat is fixed to the top of the fixing frame, the connecting frame is fixed to the outer side of the screening box, the guide seat is symmetrically arranged at the two ends of the connecting seat, the transverse moving rod penetrates the inside of the guide seat, and the rack plate is fixed to the inner side of the transverse moving rod.

[0009] As a further scheme of the utility model, the outer surface of the connecting seat is fixedly connected with a connecting frame, the outer surface of the connecting frame is fixedly installed with a driving motor, the output end of the driving motor is connected with a first rotating shaft, the end position of the first rotating shaft is connected with an eccentric wheel disc, the outer surface of the eccentric wheel disc is connected with a swing frame, and the swing frame is connected with the connecting frame through a second rotating shaft.

[0010] As a further scheme of the utility model, the swing frame is rotatably connected with the connecting frame through the second rotating shaft, and the bottom of the swing frame is provided with an arc-shaped engaging part.

[0011] As a further scheme of the utility model, the top corner of the fixing frame is fixedly installed with a connecting seat, the inside of the connecting seat is connected with a connecting rod, and the top end of the connecting rod is connected with a limiting block with a protective pad.

[0012] As a further scheme of the utility model, the bottom end of the connecting rod is fixedly connected with a limiting head, the outer side of the connecting rod is sleeved with a second spring, and the limiting block is movably connected with the connecting seat through the connecting rod, the limiting head and the second spring.

[0013] The utility model has the advantages that the reciprocating swing structure can drive the screening box of the screening device to reciprocate, which is beneficial to the discharging of the screening device and can improve the screening efficiency and uniformity of the screening device.

[0014] The connecting seat, the connecting rod and the limiting block can limit the corner of the screening box, so that the screening box can be prevented from being bumped. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1The utility model relates to a whole structure schematic diagram of a cable sheath insulation material screening device.

[0016] Figure 2 The utility model relates to a screening box internal structure schematic diagram of a cable sheath insulation material screening device.

[0017] Figure 3 The utility model relates to a reciprocating swing structure schematic diagram of a cable sheath insulation material screening device.

[0018] Figure 4 The utility model relates to a connection schematic diagram of a cable sheath insulation material screening device's link seat, connecting rod and limit stop.

[0019] In the drawing: 1, screening box, 2, fixed frame, 3, no. 1 spring, 4, feeding frame, 5, blanking hopper, 6, discharge port, 7, no. 1 screen, 8, no. 2 screen, 9, mounting frame, 10, filling pad, 11, reciprocating swing structure, 12, connecting seat, 13, link frame, 14, guide seat, 15, transverse shift rod, 16, rack plate, 17, connecting frame, 18, driving motor, 19, no. 1 rotating shaft, 20, eccentric wheel disc, 21, swing frame, 22, no. 2 rotating shaft, 23, link seat, 24, connecting rod, 25, limit stop, 26, limit head, 27, no. 2 spring. Specific embodiments

[0020] The technical schemes in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0021] Embodiment one

[0022] In combination Figures 1-4 A cable sheath insulation material screening device, including screening box 1 and fixed frame 2, fixed frame 2 is located in the just below screening box 1, and fixed frame 2 is connected with screening box 1 between no. 1 spring 3, the top of screening box 1 is fixedly installed with feeding frame 4, and the bottom of screening box 1 is fixedly installed with blanking hopper 5, the end of screening box 1 is provided with a plurality of discharge ports 6, and the inside of screening box 1 is inclined and is provided with no. 1 screen 7 and no. 2 screen 8, no. 1 screen 7 and no. 2 screen 8 are all fixedly connected with screening box 1 through mounting frame 9, and the end of no. 1 screen 7 and no. 2 screen 8 is all connected with filling pad 10, and fixed frame 2 is connected with screening box 1 between reciprocating swing structure 11.

[0023] Refer to Figure 1 And Figure 3Further, the reciprocating swing structure 11 comprises a connecting seat 12, a connecting frame 13, a guide seat 14, a horizontal moving rod 15 and a rack plate 16, the connecting seat 12 is fixed to the top of the fixed frame 2, the connecting frame 13 is fixed to the outer side of the screening box 1, the guide seat 14 is symmetrically arranged at both ends of the connecting seat 12, the horizontal moving rod 15 penetrates the inside of the guide seat 14, and the rack plate 16 is fixed to the inner side of the horizontal moving rod 15.

[0024] Specifically, the rack plate 16 abuts against the two horizontal moving rods 15, the guide seat 14 guides the movement of the horizontal moving rod 15, the horizontal moving rod 15 pushes the different connecting frames 13, and the screening box 1 swings to generate power, the screening box 1 swings relative to the fixed frame 2 through the first spring 3, which is beneficial to the discharging of the screening device and can improve the screening efficiency and uniformity of the screening device.

[0025] Referring to Figure 3 Further, the outer surface of the connecting seat 12 is fixedly connected with a connecting frame 17, the outer surface of the connecting frame 17 is fixedly installed with a driving motor 18, the output end of the driving motor 18 is connected with a first rotating shaft 19, the end position of the first rotating shaft 19 is connected with an eccentric wheel disc 20, the outer surface of the eccentric wheel disc 20 is connected with a swing frame 21, the swing frame 21 and the connecting frame 17 are connected with a second rotating shaft 22, the swing frame 21 is rotationally connected with the connecting frame 17 through the second rotating shaft 22, and the bottom of the swing frame 21 is provided with an arc-shaped meshing part.

[0026] Specifically, the driving motor 18 is started, the driving motor 18 drives the eccentric wheel disc 20 to rotate through the first rotating shaft 19, the eccentric wheel disc 20 drives the swing frame 21 to swing, the swing frame 21 rotates relative to the connecting frame 17 through the second rotating shaft 22, the arc-shaped meshing part at the bottom of the swing frame 21 meshes with the rack plate 16, and the reciprocating movement of the rack plate 16 is realized.

[0027] Embodiment two

[0028] Referring to Figure 4 On the basis of embodiment one, further, the top corner of the fixed frame 2 is fixedly installed with a connecting seat 23, the connecting seat 23 is connected with a connecting rod 24 penetrating the inside, the top end of the connecting rod 24 is connected with a limiting block 25 with a protective pad, the bottom end of the connecting rod 24 is fixedly connected with a limiting head 26, the outer side of the connecting rod 24 is sleeved with a second spring 27, and the limiting block 25 is movably connected with the connecting seat 23 through the connecting rod 24, the limiting head 26 and the second spring 27.

[0029] Specifically, when the screening box 1 contacts the limiting block 25, the limiting block 25 moves relative to the connecting seat 23 through the connecting rod 24, the limiting head 26 and the second spring 27, and the limiting block 25 buffers and limits the screening box 1, which can play a certain protection role on the screening box 1.

[0030] It should be noted that the utility model discloses a cable sheath insulation material screening device, when using, the granular raw material is put into screening box 1 through the feeding frame 4, the granular raw material first falls on the first screen 7, and the first screen 7 screens out the granular raw material with large particle size, the remaining granular raw material falls on the second screen 8 through the first screen 7, and the second screen 8 screens out the granular raw material with medium particle size, the granular raw material with small particle size falls to the bottom of screening box 1 through the second screen 8, and finally is discharged through the discharge hopper 5, the eccentric wheel disc 20 is rotated by driving motor 18 through the first rotating shaft 19, the eccentric wheel disc 20 rotates and drives the swing frame 21 to swing, the swing frame 21 rotates relative to the connecting frame 17 through the second rotating shaft 22, the arc-shaped engaging portion at the bottom of the swing frame 21 is engaged with the rack plate 16, the driving rack plate 16 reciprocating motion is realized, the rack plate 16 abuts the lateral moving rod 15 on both sides, the movement of the lateral moving rod 15 is guided by the guide seat 14, the lateral moving rod 15 drives the different adapter frames 13, can generate power for the swing of screening box 1, screening box 1 swings relative to the fixed frame 2 through the first spring 3, and the screening device is beneficial to discharging, the screening efficiency and uniformity of the screening device can be improved, when screening box 1 contacts the limiting block 25, the limiting block 25 moves relative to the adapter seat 23 through the connecting rod 24, the limiting head 26 and the second spring 27, the limiting block 25 with the protective pad buffers and limits screening box 1, and the limiting block 25 with the protective pad can play a certain protection role for screening box 1.

[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A cable sheath insulation material screening device comprising a screening box (1) and a fixing frame (2), characterized in that: The fixed frame (2) is located directly below the screening box (1), and a first spring (3) is connected between the fixed frame (2) and the screening box (1), the top of the screening box (1) is fixedly provided with a feeding frame (4), and the bottom of the screening box (1) is fixedly provided with a falling hopper (5), a plurality of discharge ports (6) are formed in the end of the screening box (1), and a first screen (7) and a second screen (8) are obliquely arranged in the screening box (1), the first screen (7) and the second screen (8) are fixedly connected with the screening box (1) through a mounting frame (9), and the ends of the first screen (7) and the second screen (8) are connected with filling pads (10), and a reciprocating swing structure (11) is connected between the fixed frame (2) and the screening box (1); The reciprocating swing structure (11) comprises a connecting seat (12), a connecting frame (13), a guide seat (14), a transverse moving rod (15) and a rack plate (16), the connecting seat (12) is fixed to the top of the fixed frame (2), the connecting frame (13) is fixed to the outer side of the screening box (1), the guide seat (14) is symmetrically arranged at both ends of the connecting seat (12), the transverse moving rod (15) penetrates the inside of the guide seat (14), and the rack plate (16) is fixed to the inner side of the transverse moving rod (15).

2. A cable jacket insulation screening device according to claim 1, characterized in that: The outer surface of the connecting seat (12) is fixedly connected with a connecting frame (17), the outer surface of the connecting frame (17) is fixedly provided with a driving motor (18), the output end of the driving motor (18) is connected with a first rotating shaft (19), the end position of the first rotating shaft (19) is connected with an eccentric wheel disc (20), the outer surface of the eccentric wheel disc (20) is connected with a swing frame (21), and the swing frame (21) and the connecting frame (17) are connected with a second rotating shaft (22).

3. A cable jacket insulation screening device according to claim 2, wherein: The swing frame (21) is rotatably connected with the connecting frame (17) through the second rotating shaft (22), and the bottom of the swing frame (21) is provided with an arc-shaped engaging portion.

4. A cable jacket insulation screening device according to claim 1, wherein: The top corner of the fixed frame (2) is fixedly provided with an adapter seat (23), the inside of the adapter seat (23) penetrates the connecting rod (24), and the top end of the connecting rod (24) is connected with a limiting block (25) provided with a protective pad.

5. A cable jacket insulation screening device according to claim 4, wherein: The bottom end of the connecting rod (24) is fixedly connected with a limiting head (26), the outer side of the connecting rod (24) is sleeved with a second spring (27), and the limiting block (25) is movably connected with the adapter seat (23) through the connecting rod (24), the limiting head (26) and the second spring (27).

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