Conveying roller outer circle rubber coating device

Abstract

The utility model discloses a conveying roller outer circle rubber coating device, which belongs to the technical field of conveying roller processing, and comprises a rack, a fixed plate is fixedly mounted on one side of the top of the rack, a driving motor is fixedly mounted on one side of the fixed plate, a rotating column is fixedly connected to an output shaft of the driving motor, and the rotating column is fixedly connected to the top of the rack. One end of the rotating column is fixedly connected with a rotating disc; a positioning mechanism and an abutting mechanism are arranged on the two sides of the top of the rack correspondingly, a glue supply mechanism is arranged on the rear side of the rack, the positioning mechanism comprises an annular plate, a fixing barrel, two air cylinders and a plurality of positioning arms, and the multiple positioning arms are slidably connected to one side of the annular plate; the output ends of the two air cylinders are fixedly connected to the other side of the annular plate. The positioning mechanism and the abutting mechanism are matched to accurately fix the conveying roller, the conveying roller is driven to rotate, the glue supply mechanism is driven to move at the same time, automatic glue coating work is achieved, and glue coating efficiency and uniformity are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of conveying roller processing, in particular to an outer circle rubber coating device for a conveying roller. Background Art

[0002] In various material conveying systems, the conveying roller is a key component. Its surface usually needs to be coated with a layer of rubber material to protect the roller surface from wear and increase the friction with the conveyed items. Traditional rubber coating methods mostly adopt manual operation or semi-automatic machinery. These methods are inefficient, and the rubber coating quality is difficult to guarantee, and problems such as uneven rubber coating, air bubbles, and peeling are likely to occur. Therefore, we propose an outer circle rubber coating device for a conveying roller to solve this problem. Content of the Utility Model

[0003] The purpose of the utility model is to provide an outer circle rubber coating device for a conveying roller to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] The outer circle rubber coating device for a conveying roller includes: a frame. One side of the top of the frame is fixedly installed with a fixing plate. One side of the fixing plate is fixedly installed with a driving motor. The output shaft of the driving motor is fixedly connected with a rotating column. One end of the rotating column is fixedly connected with a rotating disc.

[0006] Positioning mechanisms and pressing mechanisms are respectively arranged on both sides of the top of the frame. A rubber supply mechanism is arranged at the rear of the frame. The positioning mechanism includes an annular plate, a fixed cylinder, two cylinders, and a plurality of positioning arms. The plurality of positioning arms are all slidably connected to one side of the annular plate. The output ends of the two cylinders are fixedly connected to the other side of the annular plate. A linkage plate is fixedly connected to one side of each of the plurality of positioning arms close to each other. A plurality of inclined rods are fixedly installed on the outer side of the fixed cylinder. An inclined hole is opened on one side of the linkage plate. The inclined rods are slidably connected in the corresponding inclined holes.

[0007] Preferably, the fixed cylinder and the cylinder are respectively fixedly connected to both sides of the fixing plate. A plurality of guide rails are fixedly installed on one side of the annular plate. The positioning arms are slidably sleeved on the outer sides of the corresponding guide rails.

[0008] Preferably, the pressing mechanism includes a mounting seat, a sliding column, an adjusting screw, and a pressing cone. The mounting seat is fixedly connected to the top of the frame. The sliding column is slidably connected in the mounting seat. The pressing cone is rotatably connected to one end of the sliding column. A threaded groove is opened at the other end of the sliding column. The adjusting screw is threadedly connected in the threaded groove. The adjusting screw is rotatably connected inside the mounting seat.

[0009] Preferably, a toothed disc is slidably sleeved on the outer side of the adjusting screw rod. A plurality of tooth grooves are formed on one side of the mounting seat. The toothed disc is movably clamped in the tooth grooves. One side of the toothed disc is fixedly connected with a U-shaped rod, and one side of the U-shaped rod is fixedly connected with a hand wheel.

[0010] Preferably, one end of the adjusting screw rod is fixedly connected with a rotating plate. The rotating plate is slidably sleeved on the outer side of the U-shaped rod, and a compression spring is fixedly connected between the rotating plate and the toothed disc.

[0011] Preferably, a retaining ring is fixedly sleeved on the outer side of the adjusting screw rod. The retaining ring is movably abutted against the side wall of the mounting seat.

[0012] Preferably, the glue supply mechanism includes a mounting frame, a servo motor and a lead screw. Two glue extrusion rollers are rotatably mounted in the mounting frame. A driving plate is fixedly connected to the bottom of the mounting frame. The driving plate is threadedly sleeved on the outer side of the lead screw, and one end of the lead screw is fixedly connected to the output shaft of the servo motor.

[0013] Preferably, the servo motor is fixedly mounted on one side of the frame. A slide rail and two mounting plates are fixedly connected to the rear side of the frame. Both mounting plates are rotatably sleeved on the outer side of the lead screw, and the driving plate is slidably sleeved on the outer side of the slide rail.

[0014] Preferably, limiting grooves are formed at the top and bottom of the sliding column. Limiting plates are fixedly connected to the top inner wall and the bottom inner wall of the mounting seat. The limiting plates are slidably connected in the corresponding limiting grooves.

[0015] In the present utility model, for the rubber-coated device for the outer circumference of the conveying roller, the conveying roller is placed between the rotating disc and the abutting cone. Then, the air cylinder is started to drive the annular plate to move to the right, and the positioning arm is driven to move to the right through the guide rail. At the same time, the inclined rod drives a plurality of positioning arms to approach each other through the sliding fit with the linkage plate, so that the plurality of positioning arms abut against the outer side of the conveying roller to realize axial positioning. Then, the hand wheel is pulled to drive the U-shaped rod and the toothed disc to move to the right, so that the toothed disc disengages from the tooth groove. Then, the hand wheel is controlled to rotate, and the adjusting screw rod is driven to rotate synchronously through the cooperation of the U-shaped rod and the rotating plate. The adjusting screw rod drives the sliding column to move to the left through the threaded fit with the threaded groove and under the guidance of the limiting plate. The sliding column drives the abutting cone to move to the left, so that the abutting cone abuts against the right end of the conveying roller to realize fixation. Then, the air cylinder is started to drive the annular plate to move to the left, so as to drive the plurality of positioning arms to move to the left and away from each other at the same time, thereby avoiding blocking the outer circumference of the conveying roller;

[0016] In the present utility model, for the rubber coating device on the outer circumference of the conveying roller, the coated rubber material is passed through two rubber extrusion rollers and coated on the outer side of the conveying roller. Then, the driving motor is started to drive the rotating column, the rotating disc and the conveying roller to rotate, so as to complete the rubber coating. By starting the servo motor to drive the screw rod to rotate, the screw rod drives the mounting frame and the rubber extrusion rollers to move horizontally through the threaded transmission with the driving plate and under the guidance of the slide rail, so as to realize the rubber coating work at different positions;

[0017] The structure of the present utility model is reasonably designed. Through the cooperation of the positioning mechanism and the pressing mechanism, the accurate fixation of the conveying roller is realized, and the automatic rubber coating work is realized by driving the movement of the rubber supply mechanism while driving the conveying roller to rotate, improving the rubber coating efficiency and uniformity. Brief Description of the Drawings

[0018] Figure 1 is a schematic three-dimensional structure diagram of the rubber coating device on the outer circumference of the conveying roller proposed by the present utility model;

[0019] Figure 2 is a schematic three-dimensional structure diagram of another perspective of the rubber coating device on the outer circumference of the conveying roller proposed by the present utility model;

[0020] Figure 3 is a schematic cross-sectional structure diagram of the rubber coating device on the outer circumference of the conveying roller proposed by the present utility model;

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

[0022] Figure 5 is a schematic three-dimensional structure diagram of the positioning mechanism proposed by the present utility model;

[0023] Figure 6 is a schematic cross-sectional structure diagram of the positioning mechanism proposed by the present utility model;

[0024] Figure 7 is a partial schematic three-dimensional structure diagram of the positioning mechanism proposed by the present utility model;

[0025] Figure 8 is a schematic three-dimensional structure diagram of the pressing mechanism proposed by the present utility model.

[0026] In the figure: 1, frame; 2, fixed plate; 201, drive motor; 202, rotating disc; 203, rotating column; 3, positioning arm; 301, guide rail; 302, linkage plate; 303, inclined rod; 304, annular plate; 305, cylinder; 306, fixed cylinder; 4, mounting seat; 401, limiting plate; 5, tightening cone; 501, sliding column; 6, mounting frame; 601, glue extrusion roller; 602, drive plate; 603, lead screw; 604, slide rail; 605, servo motor; 7, adjusting screw; 701, rotating plate; 8, gear disc; 801, U-shaped rod; 802, hand wheel; 803, compression spring. Detailed implementation mode

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0028] Refer to Figure 1-8 , the rubber coating device for the outer circumference of the conveying roller, including: a frame 1, a fixed plate 2 is fixedly installed on one side of the top of the frame 1, a drive motor 201 is fixedly installed on one side of the fixed plate 2, a rotating column 203 is fixedly connected to the output shaft of the drive motor 201, and one end of the rotating column 203 is fixedly connected to a rotating disc 202;

[0029] A positioning mechanism and a tightening mechanism are respectively arranged on both sides of the top of the frame 1, and a glue supply mechanism is arranged at the rear of the frame 1. The positioning mechanism includes an annular plate 304, a fixed cylinder 306, two cylinders 305 and a plurality of positioning arms 3. The plurality of positioning arms 3 are all slidably connected to one side of the annular plate 304, and the output ends of the two cylinders 305 are fixedly connected to the other side of the annular plate 304. Linkage plates 302 are fixedly connected to the mutually approaching sides of the plurality of positioning arms 3. A plurality of inclined rods 303 are fixedly installed on the outer side of the fixed cylinder 306. An inclined hole is opened on one side of the linkage plate 302, and the inclined rod 303 is slidably connected in the corresponding inclined hole.

[0030] In this embodiment, the fixed cylinder 306 and the cylinder 305 are respectively fixedly connected to both sides of the fixed plate 2, and a plurality of guide rails 301 are fixedly installed on one side of the annular plate 304. The positioning arm 3 is slidably sleeved on the outer side of the corresponding guide rail 301.

[0031] In this embodiment, the tightening mechanism includes a mounting seat 4, a sliding column 501, an adjusting screw 7 and a tightening cone 5. The mounting seat 4 is fixedly connected to the top of the frame 1, the sliding column 501 is slidably connected in the mounting seat 4, the tightening cone 5 is rotatably connected to one end of the sliding column 501, a threaded groove is opened at the other end of the sliding column 501, the adjusting screw 7 is threadedly connected in the threaded groove, and the adjusting screw 7 is rotatably connected inside the mounting seat 4.

[0032] In this embodiment, a gear disc 8 is slidably sleeved on the outer side of the adjusting screw rod 7. A plurality of tooth grooves are formed on one side of the mounting seat 4. The gear disc 8 is movably clamped in the tooth grooves to lock the rotation of the adjusting screw rod 7. One side of the gear disc 8 is fixedly connected with a U-shaped rod 801, and one side of the U-shaped rod 801 is fixedly connected with a hand wheel 802 to facilitate controlling the rotation of the gear disc 8. One end of the adjusting screw rod 7 is fixedly connected with a rotating plate 701. The rotating plate 701 is slidably sleeved on the outer side of the U-shaped rod 801, and a compression spring 803 is fixedly connected between the rotating plate 701 and the gear disc 8 to reset the gear disc 8. A retaining ring is fixedly sleeved on the outer side of the adjusting screw rod 7. The retaining ring is movably abutted against the side wall of the mounting seat 4 to limit the axial movement of the adjusting screw rod 7.

[0033] In this embodiment, the glue supply mechanism includes a mounting frame 6, a servo motor 605 and a lead screw 603. Two glue extrusion rollers 601 are rotatably mounted in the mounting frame 6. The bottom of the mounting frame 6 is fixedly connected with a driving plate 602. The driving plate 602 is threadedly sleeved on the outer side of the lead screw 603, and one end of the lead screw 603 is fixedly connected to the output shaft of the servo motor 605 to facilitate driving the mounting frame 6 to move horizontally. The servo motor 605 is fixedly mounted on one side of the frame 1, and two mounting plates and a slide rail 604 are fixedly connected to the rear side of the frame 1. Both mounting plates are rotatably sleeved on the outer side of the lead screw 603, and the driving plate 602 is slidably sleeved on the outer side of the slide rail 604 to guide the driving plate 602.

[0034] In this embodiment, limiting grooves are formed at the top and bottom of the sliding column 501. Limiting plates 401 are fixedly connected to the top inner wall and the bottom inner wall of the mounting seat 4. The limiting plates 401 are slidably connected in the corresponding limiting grooves to guide the sliding column 501.

[0035] In this embodiment, during use, the conveying roller is placed between the rotating disk 202 and the abutting cone 5. Then, the air cylinder 305 is started to drive the annular plate 304 to move to the right, and the positioning arm 3 is driven to move to the right through the guide rail 301. At the same time, the inclined rod 303 drives a plurality of positioning arms 3 to approach each other through the sliding fit with the linkage plate 302, so that the plurality of positioning arms 3 abut against the outer side of the conveying roller to achieve axial positioning. Then, the hand wheel 802 is pulled to drive the U-shaped rod 801 and the gear disk 8 to move to the right, so that the gear disk 8 disengages from the tooth groove. Then, the hand wheel 802 is controlled to rotate, and the adjusting screw 7 is driven to rotate synchronously through the cooperation of the U-shaped rod 801 and the rotating plate 701. The adjusting screw 7 drives the sliding column 501 to move to the left through the threaded fit with the threaded groove and under the guidance of the limiting plate 401. The sliding column 501 drives the abutting cone 5 to move to the left, so that the abutting cone 5 abuts against the right end of the conveying roller to achieve fixation. Then, the air cylinder 305 is started to drive the annular plate 304 to move to the left, so as to drive the plurality of positioning arms 3 to move to the left and away from each other at the same time, thus avoiding blocking the outer circumference of the conveying roller. The coated rubber material is passed through the two rubber extrusion rollers 601 and coated on the outer side of the conveying roller. Then, the driving motor 201 is started to drive the rotating column 203, the rotating disk 202 and the conveying roller to rotate, so as to achieve rubber coating. By starting the servo motor 605 to drive the lead screw 603 to rotate, the lead screw 603 drives the mounting frame 6 and the rubber extrusion rollers 601 to move horizontally through the threaded drive with the driving plate 602 and under the guidance of the slide rail 604, so as to realize rubber coating at different positions.

[0036] The above has introduced in detail the rubber coating device for the outer circle of the conveying roller provided by the present utility model. Specific embodiments are used herein to elaborate the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and modifications can be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. The outer rubber coating device of the conveyor roller is characterized in that: include: A frame (1), a fixing plate (2) is fixedly mounted on one side of the top of the frame (1), a driving motor (201) is fixedly mounted on one side of the fixing plate (2), a rotating column (203) is fixedly connected to the output shaft of the driving motor (201), and a rotating disk (202) is fixedly connected to one end of the rotating column (203); A positioning mechanism and a pressing mechanism are respectively arranged on both sides of the top of the frame (1); a glue supply mechanism is arranged on the rear side of the frame (1); the positioning mechanism comprises an annular plate (304), a fixing cylinder (306), two cylinders (305) and a plurality of positioning arms (3); the plurality of positioning arms (3) are all slidably connected to one side of the annular plate (304); the output ends of the two cylinders (305) are fixedly connected to the other side of the annular plate (304); the sides of the plurality of positioning arms (3) close to each other are all fixedly connected to a linkage plate (302); a plurality of inclined rods (303) are fixedly installed on the outer side of the fixing cylinder (306); an inclined hole is opened on one side of the linkage plate (302); the inclined rods (303) are slidably connected in the corresponding inclined holes.

2. The conveyor roller outer circle rubber coating device according to claim 1 is characterized in that: The fixed tube (306) and the cylinder (305) are respectively fixedly connected to the two sides of the fixed plate (2), and a plurality of guide rails (301) are fixedly installed on one side of the annular plate (304), and the positioning arm (3) is slidably sleeved on the outer side of the corresponding guide rail (301).

3. The conveyor roller outer circle rubber coating device according to claim 1 is characterized in that: The clamping mechanism comprises a mounting seat (4), a sliding column (501), an adjusting screw (7) and a clamping cone (5); the mounting seat (4) is fixedly connected to the top of the frame (1), and the sliding column (501) is slidably connected in the mounting seat (4); the clamping cone (5) is rotatably connected to one end of the sliding column (501); a thread groove is provided at the other end of the sliding column (501); the adjusting screw (7) is threadedly connected in the thread groove, and the adjusting screw (7) is rotatably connected inside the mounting seat (4).

4. The conveyor roller outer circle rubber coating device according to claim 3 is characterized in that: A toothed disc (8) is slidably sleeved on the outer side of the adjusting screw (7), a plurality of tooth grooves are provided on one side of the mounting seat (4), the toothed disc (8) is movably engaged in the tooth grooves, a U-shaped rod (801) is fixedly connected to one side of the toothed disc (8), and a hand wheel (802) is fixedly connected to one side of the U-shaped rod (801).

5. The conveyor roller outer circle rubber coating device according to claim 4 is characterized in that: One end of the adjusting screw rod (7) is fixedly connected to a rotating plate (701), the rotating plate (701) is slidably sleeved on the outside of the U-shaped rod (801), and a compression spring (803) is fixedly connected between the rotating plate (701) and the toothed disc (8).

6. The conveyor roller outer circle rubber coating device according to claim 5 is characterized in that: A retaining ring is fixedly sleeved on the outer side of the adjusting screw (7), and the retaining ring is movably abutted against the side wall of the mounting seat (4).

7. The conveyor roller outer circle rubber coating device according to claim 1 is characterized in that: The glue supply mechanism comprises a mounting frame (6), a servo motor (605) and a screw rod (603); two glue squeezing rollers (601) are rotatably mounted in the mounting frame (6); a driving plate (602) is fixedly connected to the bottom of the mounting frame (6); the driving plate (602) is threadedly sleeved on the outside of the screw rod (603); and one end of the screw rod (603) is fixedly connected to the output shaft of the servo motor (605).

8. The rubber coating device for the outer circle of the conveying roller according to claim 7 is characterized in that: The servo motor (605) is fixedly mounted on one side of the frame (1), and the rear side of the frame (1) is fixedly connected with a slide rail (604) and two mounting plates, the two mounting plates are rotatably sleeved on the outside of the screw rod (603), and the drive plate (602) is slidably sleeved on the outside of the slide rail (604).

9. The conveyor roller outer circle rubber coating device according to claim 3 is characterized in that: The top and bottom of the sliding column (501) are both provided with limiting grooves, and the top inner wall and the bottom inner wall of the mounting seat (4) are both fixedly connected with limiting plates (401), and the limiting plates (401) are slidably connected in the corresponding limiting grooves.

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