A conveyor with automatic deviation correction to prevent deviation

Abstract

This utility model provides a conveyor with automatic deviation correction and anti-deviation mechanism, relating to the field of support roller technology. It includes a fixed base, inside which the conveyor body is installed. An anti-deviation mechanism is provided on the outer side of the fixed base. The anti-deviation mechanism includes a support seat, a drive mechanism, multiple support guide mechanisms, and two sliding limit mechanisms. The support seat is fixedly mounted on a support surface. The drive mechanism is located inside the support seat. Multiple linear guide mechanisms are fixedly mounted on both sides of the support seat. Through the coordinated operation of the drive mechanism, the sliding limit mechanisms, and the support guide mechanisms, a servo motor drives a worm gear to rotate. The meshing transmission between the worm gear and the worm drives a bidirectional lead screw to rotate. The bidirectional lead screw is then connected to a sliding nut via a threaded connection, causing the sliding nut to move axially along the lead screw. Simultaneously, the top of the fixed seat of the sliding limit mechanism is fixedly connected to the sliding nut and the sliding block of the support guide mechanism.

Description

Technical Field

[0001] This utility model relates to the field of conveyors, and in particular to a conveyor with automatic deviation correction to prevent deviation. Background Technology

[0002] As a highly efficient material conveying equipment, belt conveyors are widely used in many industries such as mining, metallurgy, logistics and warehousing, chemical industry and food processing. They are mainly used to convey powdery, granular, and small blocky loose materials or packaged goods, and are a key infrastructure connecting the production and logistics links.

[0003] According to the utility model patent "Anti-deviation belt conveyor" published in CN217674957U, this patent constructs a limiting and anti-deviation structure for conveyed items by symmetrically setting mounting blocks on the upper end of the conveyor body, combined with an adjustment structure consisting of a mounting base rod, a mounting plate, and an anti-detachment plate, a fixing device including an adjusting screw and a fixing block, and a limiting frame with a rotating roller. This effectively solves the problem of items easily deviating due to the lack of anti-deviation design in traditional conveyors.

[0004] However, this technical solution still has obvious shortcomings in practical applications:

[0005] First, it lacks automatic correction capability. The position adjustment of the anti-deviation components (limiting frame, rotating roller) relies entirely on manual operation. The adjusting screw must be manually rotated to disengage the fixing block from the fixing slot of the mounting base rod, and then the adjusting structure must be manually moved to adjust the limit position. It cannot automatically adjust based on real-time deviation signals during conveyor operation (such as material deviation or belt tilt). In automated production lines, this is cumbersome to operate, has a slow response, and is difficult to adapt to the needs of efficient and continuous conveying. Second, it lacks a buffer protection mechanism. The limiting frame only guides the material through the rotating roller. When the material is impacted by changes in conveying speed or vibration, the rotating roller and the limiting frame make direct hard contact with the material, which can easily cause collision damage to the material (especially fragile items). At the same time, it will also aggravate the wear of the limiting components and reduce the service life of the equipment.

[0006] Therefore, we propose a conveyor with automatic deviation correction to prevent deviation. Utility Model Content

[0007] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a conveyor with automatic deviation correction to prevent deviation.

[0008] To achieve the above objectives, the present invention adopts the following technical solution:

[0009] An anti-deviation automatic correction conveyor includes a fixed base, the conveyor body is installed inside the fixed base, and an anti-deviation mechanism is provided on the outside of the fixed base.

[0010] The anti-deviation mechanism includes a support base, a drive mechanism, multiple support and guide mechanisms, and two sliding limit mechanisms. The support base is fixedly mounted on the support surface, the drive mechanism is located inside the support base, the multiple linear guide mechanisms are fixedly mounted on the two side walls of the support base, and the two sliding limit mechanisms are fixedly mounted at the bottom of the drive mechanism and the multiple sliding limit mechanisms.

[0011] As a preferred embodiment of this utility model, the drive mechanism includes a mounting groove, which is opened inside the support base. A bidirectional lead screw is installed inside the mounting groove, and a worm gear is fixedly connected to the center of the bidirectional lead screw. A top seat is provided on the top of the support base, and a servo motor is provided on the side wall of the top seat. A worm gear is installed at the output end of the servo motor and inside the top seat. Two sliding nuts are symmetrically threaded on the bidirectional lead screw.

[0012] As a preferred embodiment of this utility model, the support and guide mechanism includes two mounting rods, which are fixedly mounted on the side wall of the support base. A plurality of linear optical axes are fixedly connected between the two mounting rods, and two sliding blocks are symmetrically slidably connected to the plurality of linear optical axes.

[0013] As a preferred embodiment of this utility model, the sliding limiting mechanism includes a fixed base, the inner wall of which is provided with a plurality of mounting holes, a damper is fixedly connected inside each of the plurality of mounting holes, a spring is provided outside the plurality of dampers and inside the plurality of mounting holes, a mounting base is provided at the connection between the plurality of dampers and springs, a plurality of bearings are installed on the top and bottom inside the mounting base, and a contact rotating block is provided between the plurality of bearings.

[0014] In a preferred embodiment of this utility model, the servo motor drives the worm gear to rotate, the worm gear meshes with the worm gear, and further drives the bidirectional lead screw to rotate. The bidirectional lead screw is threadedly connected to the sliding nut, thereby enabling the sliding nut to move.

[0015] As a preferred embodiment of this utility model, the top of the fixed seat is fixed to the sliding nut and the sliding block, so that when the sliding nut moves, it drives the fixed seat to move, and when it moves, it also slides on the linear optical axis through the sliding block.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] In this invention, through the coordinated operation of the drive mechanism, the sliding limit mechanism, and the support guide mechanism, the servo motor can drive the worm to rotate. The meshing transmission between the worm and the turbine drives the bidirectional lead screw to rotate. The bidirectional lead screw is then connected to the sliding nut by a thread, causing the sliding nut to move along the lead screw axis. At the same time, the top of the fixed seat of the sliding limit mechanism is fixedly connected to the sliding nut and the sliding block of the support guide mechanism, so that when the sliding nut moves, it can synchronously drive the fixed seat and the abutting rotating block to move—the whole process requires no manual intervention.

[0018] The inner wall of the fixed seat of the sliding limit mechanism is equipped with a damper and a spring. When the material is impacted by changes in conveying speed or vibration, the damper can absorb the impact energy through its own damping characteristics, and the spring can further buffer the impact force through elastic deformation. The two work together to effectively reduce the hard collision between the material and the rotating block. At the same time, the rotating block is mounted on the mounting seat through bearings and can rotate synchronously with the material conveying direction, reducing the sliding friction between the material and the rotating block.

[0019] In the support and guide mechanism, two mounting rods are fixed to the side wall of the support base, and several linear optical axes connect the two mounting rods. The sliding block slides with the linear optical axes and is fixed to the fixed seat of the sliding limit mechanism. At the same time, the bidirectional lead screw of the drive mechanism provides axial movement guidance for the sliding nut, forming a dual guide structure of "bidirectional lead screw + linear optical axis". When the sliding limit mechanism moves, the sliding block slides smoothly along the linear optical axis, which can effectively limit the shaking of the fixed seat and ensure that the sliding limit mechanism always moves along the preset path. Attached Figure Description

[0020] Figure 1 A schematic diagram of the main structure of a conveyor with automatic deviation correction for preventing deviation provided by this utility model;

[0021] Figure 2 A second-view schematic diagram of the main body of a conveyor with automatic deviation correction for preventing deviation provided by this utility model;

[0022] Figure 3 A schematic diagram of the anti-deviation mechanism of a conveyor with automatic deviation correction provided by this utility model;

[0023] Figure 4 A schematic diagram of a sliding limit mechanism for an anti-deviation and automatic correction conveyor provided by this utility model.

[0024] Legend: 10. Fixed base; 20. Conveyor body; 30. Anti-deviation mechanism; 301. Support seat; 302. Mounting groove; 303. Bidirectional lead screw; 304. Turbine; 305. Top seat; 306. Servo motor; 307. Worm gear; 308. Fixed seat; 309. Mounting rod; 310. Linear optical axis; 311. Sliding block; 312. Mounting hole; 313. Damper; 314. Spring; 315. Mounting seat; 316. Bearing; 317. Abutting rotating block; 318. Sliding nut. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0026] To facilitate understanding of this utility model, a more comprehensive description of this utility model will be provided below with reference to relevant embodiments, and several embodiments of this utility model will be given. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this utility model more thorough and complete.

[0027] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0029] Example

[0030] like Figure 1-4 As shown, this utility model provides a technical solution: a conveyor with anti-deviation and automatic correction mechanism, including a fixed base 10, a conveyor body 20 installed inside the fixed base 10, and an anti-deviation mechanism 30 provided on the outside of the fixed base 10.

[0031] The anti-deviation mechanism 30 includes a support base 301, a drive mechanism, multiple support guide mechanisms, and two sliding limit mechanisms. The support base 301 is fixedly mounted on the support surface, the drive mechanism is located inside the support base 301, the multiple linear guide mechanisms are fixedly mounted on the two side walls of the support base 301, and the two sliding limit mechanisms are fixedly mounted at the bottom of the drive mechanism and the multiple sliding limit mechanisms.

[0032] When the conveyor body 20 is running within the fixed base 10, if the material tends to deviate, the anti-deviation mechanism 30 provides power through the drive mechanism, driving the sliding limit mechanism to move along the guide path of the support guide mechanism, forming a dynamic limit or correction on the conveyor body 20 from the outside of the fixed base 10. The support base 301 serves as the bearing foundation, integrating the drive, guide and limit functions, so that the three work together: the drive mechanism outputs power, the support guide mechanism constrains the movement trajectory of the sliding limit mechanism, and the sliding limit mechanism directly contacts the deviated material or belt and corrects its position, realizing closed-loop control of anti-deviation and automatic correction.

[0033] The drive mechanism includes a mounting groove 302, which is opened inside the support base 301. A bidirectional lead screw 303 is installed inside the mounting groove 302. A worm gear 304 is fixedly connected to the center of the bidirectional lead screw 303. A top seat 305 is provided on the top of the support base 301. A servo motor 306 is provided on the side wall of the top seat 305. A worm gear 307 is installed at the output end of the servo motor 306 and inside the top seat 305. Two sliding nuts 318 are symmetrically threaded on the bidirectional lead screw 303.

[0034] When the servo motor 306 starts, its output shaft drives the worm gear 307 to rotate. The worm gear 307 meshes with the worm wheel 304, transmitting the rotational motion to the worm wheel 304, which in turn drives the bidirectional lead screw 303 to rotate within the mounting slot 302. Since the bidirectional lead screw 303 adopts a symmetrical thread design, the two sliding nuts 318 will move in opposite directions (or in the same direction, depending on the thread direction) linearly along the lead screw axis. This process converts the rotational power of the motor into the displacement power of the sliding nuts 318, providing a driving source for the position adjustment of the sliding limit mechanism and realizing the automated triggering of the correction action.

[0035] The support and guide mechanism includes two mounting rods 309, which are fixedly mounted on the side wall of the support base 301. Several linear optical axes 310 are fixedly connected between the two mounting rods 309, and two sliding blocks 311 are symmetrically slidably connected to the several linear optical axes 310.

[0036] When the sliding nut 318 of the drive mechanism drives the sliding limit mechanism to move, the sliding block 311 slides synchronously along the linear optical axis 310. The linear optical axis 310 is fixed to the side wall of the support base 301 by the mounting rod 309, providing high-precision linear guidance. The cooperation between the sliding block 311 and the linear optical axis 310 can constrain the movement trajectory of the sliding limit mechanism, preventing it from deflecting or shaking due to uneven force. Through the guide structure of "linear optical axis 310 + sliding block 311", a double constraint is formed with the screw drive of the drive mechanism, ensuring that the sliding limit mechanism moves smoothly along the preset straight line during the correction process, improving the correction accuracy and stability.

[0037] The sliding limit mechanism includes a fixed base 308, with a plurality of mounting holes 312 on the inner wall of the fixed base 308. A damper 313 is fixedly connected inside each of the mounting holes 312. A spring 314 is provided on the outer side of each damper 313 and inside each of the mounting holes 312. A mounting base 315 is provided at the connection between the dampers 313 and the springs 314. A plurality of bearings 316 are installed on the top and bottom inside the mounting base 315. A contacting rotating block 317 is provided between each of the bearings 316.

[0038] When the material or belt comes into contact with the abutting rotating block 317, the abutting rotating block 317 can rotate around the mounting base 315 through the bearing 316, converting sliding friction into rolling friction, reducing the friction between the material / belt and the limiting mechanism, and avoiding jamming or scratches; at the same time, if the material deviates due to impact, the damper 313 absorbs the impact energy through its damping characteristics, and the spring 314 simultaneously undergoes elastic deformation to buffer the impact force. The two work together to attenuate the impact load. The mounting hole 312 provides a fixed space for the damper 313 and the spring 314, ensuring the stable operation of the buffer assembly, so that the sliding limiting mechanism can achieve correction while also having a protective function, protecting the material and equipment components.

[0039] The servo motor 306 drives the worm gear 307 to rotate. The worm gear 304 meshes with the worm gear 307, which further drives the bidirectional lead screw 303 to rotate. The bidirectional lead screw 303 is threadedly connected to the sliding nut 318, thereby enabling the sliding nut 318 to move.

[0040] The servo motor 306 serves as the power source, and its output torque is transmitted to the worm gear 304 through the worm 307. Utilizing the self-locking characteristic of the worm gear 307-worm gear 304 transmission (the worm 307 can drive the worm gear 304, but the worm gear 304 cannot drive the worm 307 in the reverse direction), the position of the bidirectional lead screw 303 is kept stable when it stops rotating, preventing the sliding nut 318 from shifting due to external forces. The threaded engagement between the bidirectional lead screw 303 and the sliding nut 318 precisely converts the rotational motion of the lead screw into the linear motion of the sliding nut 318. By controlling the direction and speed of the servo motor 306, the direction and distance of movement of the sliding nut 318 can be precisely adjusted, providing controllable displacement drive for the sliding limit mechanism and achieving precise control of the correction action.

[0041] The top of the fixed seat 308 is fixed to the sliding nut 318 and the sliding block 311. When the sliding nut 318 moves, it drives the fixed seat 308 to move. When it moves, it also slides on the linear optical axis 310 through the sliding block 311.

[0042] The fixed seat 308 serves as a connecting carrier, integrating the power of the drive mechanism (displacement of the sliding nut 318) with the constraint of the support and guide mechanism (guidance of the sliding block 311). When the sliding nut 318 moves under the drive of the bidirectional lead screw 303, it directly drives the fixed seat 308 to move synchronously through its fixed connection with the fixed seat 308. At the same time, the fixed connection between the fixed seat 308 and the sliding block 311 allows the sliding block 311 to slide along the linear optical axis 310 with the fixed seat 308. The guiding effect of the linear optical axis 310 restricts the movement trajectory of the fixed seat 308. This "drive-guide" linkage structure ensures that the fixed seat 308 and its supporting components such as the opposing rotating block 317 move smoothly along the preset path, avoiding deviation or jamming caused by force imbalance, and ensuring the stability and reliability of the correction action.

[0043] It should be noted that the electrical equipment and components mentioned above are all programmed and controlled using existing PLC controllers. Since these are mature technologies, they will not be described in detail here.

[0044] The working process of this type of conveyor with automatic deviation correction is as follows:

[0045] Summary of Automatic Deviation Prevention and Correction Workflow

[0046] When the conveyor body 20 is running, if the material or belt shows a tendency to deviate, the anti-deviation mechanism 30 will work in coordination according to the following process:

[0047] Driver trigger:

[0048] The servo motor 306 starts upon receiving a correction signal (such as a material offset trigger detection logic), and its output shaft drives the worm gear 307 to rotate. The worm gear 307 meshes with the turbine 304, transmitting the rotational motion to the turbine 304, which in turn drives the bidirectional lead screw 303 to rotate within the mounting slot 302. Since the bidirectional lead screw 303 adopts a symmetrical thread design, the two sliding nuts 318 move in opposite directions (or in the same direction, depending on the thread direction) along the lead screw axis, providing a power source for the correction action.

[0049] Guiding constraints:

[0050] The sliding nut 318 is connected to the fixed seat 308 of the sliding limit mechanism. At the same time, the top of the fixed seat 308 is fixed to the sliding block 311 of the support guide mechanism. When the sliding nut 318 moves, the sliding block 311 slides synchronously along the linear optical axis 310. The linear optical axis 310 is fixed to the side wall of the support seat 301 by the mounting rod 309, forming a high-precision linear guide, constraining the movement trajectory of the fixed seat 308, avoiding deflection or shaking due to uneven force, and ensuring that the fixed seat 308 moves smoothly along the preset path.

[0051] Limiting buffer and correction:

[0052] During the movement of the fixed seat 308, the abutting rotating block 317 on its inner wall gradually approaches the misaligned material. When the two come into contact:

[0053] Friction reduction and protection: The contact rotating block 317 rotates around the mounting base 315 through the bearing 316, converting sliding friction into rolling friction, reducing the friction between the material / belt and the limiting mechanism, and avoiding jamming or scratches;

[0054] Buffering and energy absorption: If the material deviates due to impact, the damper 313 absorbs the impact energy through its damping characteristics, and the spring 314 simultaneously undergoes elastic deformation to buffer the impact force. The two work together to attenuate the impact load and protect the material and equipment components.

[0055] Correction execution: By resisting the thrust of rotating block 317, the deviation position of the material is gradually corrected, realizing dynamic correction.

[0056] State maintenance:

[0057] After the deviation is corrected, the servo motor 306 brakes and stops. Utilizing the self-locking characteristic of the worm gear 307 and worm 304 transmission (the worm gear 307 can drive the worm 304, but the worm 304 cannot drive the worm gear 307 in the reverse direction), the bidirectional lead screw 303 remains stationary. The sliding nut 318 and the fixed seat 308 are locked synchronously, keeping the abutting rotating block 317 in the limit position after deviation correction, continuously preventing the risk of deviation until the next deviation signal triggers a new correction cycle.

[0058] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A conveyor with automatic deviation correction to prevent deviation, characterized in that, Includes a fixed base (10), inside which a conveyor body (20) is installed, and on the outside of the fixed base (10) is an anti-deviation mechanism (30); The anti-deviation mechanism (30) includes a support base (301), a drive mechanism, multiple support guide mechanisms, and two sliding limit mechanisms. The support base (301) is fixedly mounted on the support surface. The drive mechanism is located inside the support base (301). Multiple linear guide mechanisms are fixedly mounted on both side walls of the support base (301). The two sliding limit mechanisms are fixedly mounted at the bottom of the drive mechanism and the multiple sliding limit mechanisms.

2. The conveyor with automatic deviation correction as described in claim 1, characterized in that, The drive mechanism includes a mounting slot (302) which is opened inside the support base (301). A bidirectional lead screw (303) is installed inside the mounting slot (302). A worm gear (304) is fixedly connected to the center of the bidirectional lead screw (303). A top seat (305) is provided on the top of the support base (301). A servo motor (306) is provided on the side wall of the top seat (305). A worm gear (307) is installed at the output end of the servo motor (306) and inside the top seat (305). Two sliding nuts (318) are symmetrically threaded on the bidirectional lead screw (303).

3. The conveyor with automatic deviation correction as described in claim 2, characterized in that, The support and guide mechanism includes two mounting rods (309), which are fixedly mounted on the side wall of the support base (301). A plurality of linear optical axes (310) are fixedly connected between the two mounting rods (309), and two sliding blocks (311) are symmetrically slidably connected on the plurality of linear optical axes (310).

4. The conveyor with automatic deviation correction as described in claim 3, characterized in that, The sliding limiting mechanism includes a fixed base (308), on the inner wall of the fixed base (308) are a plurality of mounting holes (312), and dampers (313) are fixedly connected inside the plurality of mounting holes (312). Springs (314) are provided on the outer side of the plurality of dampers (313) and inside the plurality of mounting holes (312). A mounting base (315) is provided at the connection between the plurality of dampers (313) and springs (314). A plurality of bearings (316) are installed on the top and bottom inside the mounting base (315). A contact rotating block (317) is provided between the plurality of bearings (316).

5. The conveyor with automatic deviation correction as described in claim 4, characterized in that, The servo motor (306) is used to drive the worm (307) to rotate. The worm (304) meshes with the worm (307) and further drives the bidirectional lead screw (303) to rotate. The bidirectional lead screw (303) is threadedly connected to the sliding nut (318), thereby enabling the sliding nut (318) to move.

6. The conveyor with automatic deviation correction as described in claim 5, characterized in that, The top of the fixed seat (308) is fixed to the sliding nut (318) and the sliding block (311). When the sliding nut (318) moves, it drives the fixed seat (308) to move. When it moves, it also slides on the linear optical axis (310) through the sliding block (311).

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