Premixing device for electromagnetic shielding rubber production

Abstract

The utility model provides a premixing device for electromagnetic shielding rubber production, which belongs to the technical field of rubber production, and comprises a mixing barrel, the lower side surface of the mixing barrel is fixedly connected with two support frames, the lower side surface of the mixing barrel is fixedly communicated with a discharge pipe, the upper side surface of the mixing barrel is fixedly communicated with a feed chute, and the feed chute is fixedly communicated with a discharge pipe. And the side surface of the mixing barrel is fixedly connected with a motor. The reciprocating lead screw is arranged between the inner side faces of the mixing barrel, the limiting rod is arranged on the connecting sleeve, the sliding block is connected to the limiting rod in a sliding mode, the connecting sleeve is driven by the motor to rotate, the limiting rod can be driven to rotate, and therefore the sliding block is driven to rotate; the sliding block is in threaded connection with the reciprocating screw rod, so that the sliding block drives the scraping plate to reciprocate in the mixing barrel, and the inner wall of the mixing barrel can be well scraped.

Description

Technical Field

[0001] The utility model belongs to the technical field of rubber production, and particularly relates to a premixing device for electromagnetic shielding rubber production. Background Art

[0002] Electromagnetic shielding rubber is a rubber material with electromagnetic shielding performance, which is usually used to manufacture products or components that need to prevent electromagnetic interference in the fields of electronic equipment, communication equipment, and automobiles. It can effectively absorb and shield electromagnetic radiation, reduce the influence of electromagnetic waves on internal electronic components of equipment, and thus improve the stability and reliability of the equipment.

[0003] As disclosed in the prior art with the publication number CN209024605U, a premixing device for electromagnetic shielding rubber production is provided, including a box body. A stirring mechanism is arranged inside the box body. The rotating shaft penetrates through the protective cover and extends to the top of the protective cover. The connection between the rotating shaft and the protective cover is connected through a bearing. The outer ends of the two reciprocating lead screws respectively extend into the cavity. The connection between the reciprocating lead screws and the box body and the protective cover is connected through a bearing.

[0004] The existing premixing device for electromagnetic shielding rubber production still has the following deficiencies:

[0005] 1. The stirring structure of the existing device is designed to be perpendicular to the horizontal plane. Since the stirring rod is parallel to the horizontal plane, during the stirring process, the mixture on the same horizontal plane is first stirred, and then the materials on different horizontal planes can be mixed. Therefore, there is a deficiency in working efficiency.

[0006] 2. After the device finishes mixing the materials, residual mixtures are likely to remain on the inner side wall of the device. Only a mixing structure is provided in the existing device, which can neither remove the residues on the inner wall nor effectively clean the inside of the device. Summary of the Utility Model

[0007] The purpose of the utility model is to solve the problem that the vertical stirring structure in the prior art affects the mixing rate of materials, and the device cannot complete self-cleaning after mixing, and a premixing device for electromagnetic shielding rubber production is proposed.

[0008] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0009] A premixing device for electromagnetic shielding rubber production, including: a mixing barrel. Two support frames are fixedly connected to the lower side surface of the mixing barrel. A discharge pipe is fixedly communicated with the lower side surface of the mixing barrel. A feeding groove is fixedly communicated with the upper side surface of the mixing barrel. A motor is fixedly connected to the side surface of the mixing barrel. The output end of the motor penetrates through the side wall of the mixing barrel and is fixedly connected with a connecting sleeve. A scraping component and a stirring component are arranged inside the mixing barrel;

[0010] Preferably, the stirring assembly includes stirring rods fixedly connected to the side of the connecting sleeve, and a plurality of paddles are fixedly connected to the side of the stirring rods;

[0011] Preferably, the scraping assembly includes a reciprocating lead screw fixedly connected between the inner sides of the mixing barrel, a limiting rod fixedly connected to the side of the connecting sleeve, a slider penetrating and slidably connected to the limiting rod, the slider being threadedly connected to the reciprocating lead screw, fixed rods fixedly connected to both sides of the slider, and a scraper fixedly connected to the ends of the fixed rods, the scraper being closely attached to the side of the mixing barrel;

[0012] Preferably, a rotating ring is rotatably connected to the side of the mixing barrel away from the motor, and the ends of the reciprocating lead screw and the stirring rod away from the motor are both fixedly connected to the side of the rotating ring;

[0013] Preferably, the limiting rod and the stirring rod are perpendicular to each other, the stirring rod is arranged outside the limiting rod, and the paddles point towards the reciprocating lead screw;

[0014] Preferably, both the connecting sleeve and the rotating ring are arranged in a through-groove structure, and both ends of the reciprocating lead screw penetrate through the connecting sleeve and the rotating ring respectively and are fixedly connected between the sides of the mixing barrel.

[0015] Compared with the prior art, the present utility model has the following advantages:

[0016] 1. In the present utility model, by arranging a reciprocating lead screw between the inner sides of the mixing barrel, arranging a limiting rod on the connecting sleeve, and arranging a slider slidably connected to the limiting rod, when the connecting sleeve is driven to rotate by the motor, the limiting rod can be driven to rotate, thereby driving the rotation of the slider. And since the slider is threadedly connected to the reciprocating lead screw, the slider drives the scraper to perform a reciprocating motion in the mixing barrel, so that the inner wall of the mixing barrel can be well scraped.

[0017] 2. In the present utility model, by horizontally placing the mixing barrel and arranging a stirring rod connected to the connecting sleeve, during the stirring process, the stirring rod will drive the paddles to rotate, so that the mixed materials in the mixing barrel can be stirred and overturned, which can accelerate the mixing rate of the materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is an external structural schematic diagram of a premixing device for electromagnetic shielding rubber production proposed by the present utility model;

[0019] Figure 2 is an internal sectional structural schematic diagram of a premixing device for electromagnetic shielding rubber production proposed by the present utility model;

[0020] Figure 3Internal top view of a premixing device for the production of electromagnetic shielding rubber proposed by the present utility model;

[0021] Figure 4 is Figure 3 The enlarged view of part A in

[0022] In the figure: 1 mixing barrel, 2 support frame, 3 discharge pipe, 4 feed trough, 5 motor, 6 connecting sleeve, 7 reciprocating lead screw, 8 limiting rod, 9 stirring rod, 10 paddle, 11 slider, 12 fixed rod, 13 scraping plate, 14 rotating ring. Specific embodiments

[0023] The technical solutions in the present utility model will be further described below with reference to the accompanying drawings and embodiments.

[0024] Refer to Figures 1-4 , a premixing device for the production of electromagnetic shielding rubber, comprising: a mixing barrel 1, two support frames 2 are fixedly connected to the lower side of the mixing barrel 1, a discharge pipe 3 is fixedly communicated with the lower side of the mixing barrel 1, a feed trough 4 is fixedly communicated with the upper side of the mixing barrel 1, a motor 5 is fixedly connected to the side of the mixing barrel 1, the output end of the motor 5 penetrates through the side wall of the mixing barrel 1 and is fixedly connected with a connecting sleeve 6, and a scraping and stirring assembly is arranged in the mixing barrel 1;

[0025] The stirring assembly includes a stirring rod 9 fixedly connected to the side of the connecting sleeve 6, and a plurality of paddles 10 are fixedly connected to the side of the stirring rod 9. The stirring rod 9 drives the paddles 10 to rotate, so as to stir and turn over the mixed materials in the mixing barrel 1, and can accelerate the mixing rate of the materials;

[0026] The scraping assembly includes a reciprocating lead screw 7 fixedly connected between the inner sides of the mixing barrel 1, a limiting rod 8 is fixedly connected to the side of the connecting sleeve 6, the limiting rod 8 penetrates through and is slidably connected with a slider 11, the slider 11 is threadedly connected to the reciprocating lead screw 7, fixed rods 12 are fixedly connected to both sides of the slider 11, a scraping plate 13 is fixedly connected to the end of the fixed rod 12, the scraping plate 13 is close to the side of the mixing barrel 1. Driven by the motor 5 to drive the connecting sleeve 6 to rotate, the limiting rod 8 can be driven to rotate, thereby driving the rotation of the slider 11. And because the slider 11 is threadedly connected to the reciprocating lead screw 7, the slider 11 drives the scraping plate 13 to perform reciprocating motion in the mixing barrel 1, so as to have a good scraping effect on the inner wall of the mixing barrel 1;

[0027] A rotating ring 14 is rotatably connected to the side of the mixing barrel 1 away from the motor 5, and one ends of the reciprocating lead screw 7 and the stirring rod 9 away from the motor 5 are both fixedly connected to the side of the rotating ring 14. Through the rotating ring 14, the rotation of the reciprocating lead screw 7 and the stirring rod 9 can be better coordinated;

[0028] The limiting rod 8 and the stirring rod 9 are perpendicular to each other. The stirring rod 9 is arranged outside the limiting rod 8, and the paddle 10 points towards the reciprocating lead screw 7. The perpendicular limiting rod 8 and stirring rod 9 can avoid influencing each other and can also increase the stirring rate.

[0029] Both the connecting sleeve 6 and the rotating ring 14 are arranged in a through-groove structure. The two ends of the reciprocating lead screw 7 respectively penetrate through the connecting sleeve 6 and the rotating ring 14 and are fixedly connected between the sides of the mixing barrel 1.

[0030] The functional principle of the present utility model can be described through the following operation mode:

[0031] By arranging the reciprocating lead screw 7 between the inner sides of the mixing barrel 1 in the mixing barrel 1, arranging the limiting rod 8 on the connecting sleeve 6, and arranging the slider 11 slidably connected to the limiting rod 8, when the motor 5 drives the connecting sleeve 6 to rotate, the limiting rod 8 can be driven to rotate, thereby driving the rotation of the slider 11. And because the slider 11 is threadedly connected to the reciprocating lead screw 7, the slider 11 drives the scraping plate 13 to perform reciprocating motion in the mixing barrel 1, so that the inner wall of the mixing barrel 1 can be well scraped. By horizontally placing the mixing barrel 1 and arranging the stirring rod 9 connected to the connecting sleeve 6, during the stirring process, the stirring rod 9 will drive the paddle 10 to rotate, so that the mixed materials in the mixing barrel 1 can be stirred and overturned, and the mixing rate of the materials can be increased.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and not to limit them. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present utility model can be modified or equivalently replaced without departing from the purpose and scope of the technical solutions of the present utility model, and they should all be covered within the scope of the claims of the present utility model.

Claims

1. A premixing device for producing electromagnetic shielding rubber, characterized in that: The invention comprises a mixing barrel (1), wherein the lower side of the mixing barrel (1) is fixedly connected to two support frames (2), the lower side of the mixing barrel (1) is fixedly connected to a discharge pipe (3), the upper side of the mixing barrel (1) is fixedly connected to a feed trough (4), the side of the mixing barrel (1) is fixedly connected to a motor (5), the output end of the motor (5) passes through the side wall of the mixing barrel (1) and is fixedly connected to a connecting sleeve (6), and a scraping component and a stirring component are arranged inside the mixing barrel (1).

2. A premixing device for producing electromagnetic shielding rubber according to claim 1, characterized in that: in: The stirring assembly comprises a stirring rod (9) fixedly connected to the side of the connecting sleeve (6), and a plurality of paddles (10) are fixedly connected to the side of the stirring rod (9).

3. A premixing device for producing electromagnetic shielding rubber according to claim 2, characterized in that: in: The scraping assembly comprises a reciprocating screw (7) fixedly connected between the inner side surfaces of the mixing barrel (1); a limiting rod (8) is fixedly connected to the side surface of the connecting sleeve (6); the limiting rod (8) passes through and is slidably connected to a slider (11); the slider (11) is threadedly connected to the reciprocating screw (7); both sides of the slider (11) are fixedly connected to fixing rods (12); the ends of the fixing rods (12) are fixedly connected to a scraper (13); the scraper (13) is tightly attached to the side surface of the mixing barrel (1).

4. A premixing device for producing electromagnetic shielding rubber according to claim 3, characterized in that: in: The side of the mixing barrel (1) away from the motor (5) is rotatably connected to a rotating ring (14), and the ends of the reciprocating screw rod (7) and the stirring rod (9) away from the motor (5) are fixedly connected to the side of the rotating ring (14).

5. A premixing device for producing electromagnetic shielding rubber according to claim 3, characterized in that: in: The limiting rod (8) and the stirring rod (9) are perpendicular to each other, the stirring rod (9) is arranged on the outside of the limiting rod (8), and the paddle (10) points to the reciprocating screw rod (7).

6. A premixing device for producing electromagnetic shielding rubber according to claim 3, characterized in that: in: The connecting sleeve (6) and the rotating ring (14) are both configured as through-groove structures, and the two ends of the reciprocating screw rod (7) respectively penetrate the connecting sleeve (6) and the rotating ring (14) and are fixedly connected between the sides of the mixing barrel (1).

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