Limiting device of tobacco roller conveyor

By using photoelectric sensors and a cylinder-driven limit frame structure, the automatic correction and pushing of large tobacco blocks on the tobacco roller conveyor is realized, which solves the problem of correction function failure in the existing technology and improves the operational stability and feeding efficiency.

CN223751795UActive Publication Date: 2026-01-02CHINA TOBACCO HENAN IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520160553.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2026-01-02
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

Existing tobacco roller conveyors are prone to the failure of their correction function when pushing large tobacco blocks, leading to abnormal operation after prolonged operation.

Method used

The limit frame structure adopts photoelectric sensors and cylinder drive. The photoelectric sensors detect the position of large smoke blocks, and the cylinder drives the limit plate and push plate to correct and push the smoke blocks, so that they are neatly discharged. The control valve controls the gas flow to achieve automatic limiting and pushing.

Benefits of technology

It reduced the failure rate of the correction structure, improved the feeding efficiency of large smoke blocks, reduced manual operation time, and ensured the stable operation of the conveyor.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223751795U_ABST
    Figure CN223751795U_ABST
Patent Text Reader

Abstract

The utility model discloses a tobacco roller conveyor limiting device which comprises a limiting frame and a conveyor which are sequentially arranged, a photoelectric sensor is arranged at the top of the limiting frame, a photoelectric receiver is arranged at the top of the opposite side of the limiting frame, a controller is arranged on one side of the limiting frame, and a control valve is arranged at the bottom of the limiting frame. The photoelectric sensor, the photoelectric receiver and the control valve are all connected with the controller, a vertically-through first moving groove is formed in the upper surface of the limiting frame, a first air cylinder is arranged at the bottom of the limiting frame, one end of the first air cylinder is connected with a limiting plate, the first air cylinder is connected with the control valve, and the upper surface of the limiting frame is used for containing large tobacco blocks. According to the limiting device of the tobacco roller conveyor, the controller drives the control valve to control the first air cylinder to contract according to signals of the photoelectric sensor and the photoelectric receiver, the limiting plates on the two sides move towards the inner side, large tobacco blocks inclined in position can be pushed, corrected and placed in order, and therefore the pushing operation of the designated large tobacco blocks is achieved; and the fault rate of rectifying the large tobacco block structure is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to tobacco machinery technical field more particularly, relate to a tobacco roller conveyor limiting device. BACKGROUND

[0002] Finished cigarette needs the following steps in the production process, needs to carry out planting, harvest, drying, fermentation, grading, processing production several steps, the tobacco leaf after grading needs to be made into large tobacco block and put into carton, then the large tobacco block is stacked in the relatively humid and warm environment and is stored for a period of time, so that it carries out chemical change, to improve the flavor and quality of tobacco leaf. In the first step of the production link of the cigarette factory silk workshop, the worker needs to put the carton containing the large tobacco block on the front end platform of the roller conveyor, so that the large tobacco block is conveyed to the next process by the roller conveyor for unpacking, which is time-consuming and laborious.

[0003] Therefore, a tobacco roller conveyor limiting device is urgently needed. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a tobacco roller conveyor limiting device to solve the problems in the prior art, which can automatically push and correct the position of the large tobacco block.

[0005] The utility model provides a tobacco roller conveyor limiting device, wherein, including: limit frame and conveyor who sets gradually, the top of limit frame is provided with photoelectric sensor, the opposite side top of limit frame is provided with photoelectric receiver, one side of limit frame is provided with controller, the bottom of limit frame is provided with control valve, photoelectric sensor, photoelectric receiver and control valve all are connected with controller, the upper surface of limit frame is equipped with first mobile groove who sets up up and down, the bottom of limit frame is provided with first cylinder, one end of first cylinder is connected with limit board, first cylinder is connected with control valve, the upper surface of limit frame is used to accommodate large tobacco block.

[0006] The tobacco roller conveyor limiting device as described above, wherein, preferably, the number of first cylinders is two, symmetrically arranged at the bottom of the limit frame, and the number of limit boards is two, respectively arranged on the outer side of the corresponding first cylinders.

[0007] The tobacco roller conveyor limiting device as described above, wherein, preferably, the positions of the photoelectric sensor and the photoelectric receiver are at the middle section of the limit frame, and the emission hole of the photoelectric sensor and the receiving hole of the photoelectric receiver are located on the same straight line.

[0008] The tobacco roller conveyor limiting device as claimed in any one of the preceding claims, wherein preferably, the upper half of the limiting plate is located on the top of the first moving groove, one side of the limiting frame is mounted on one end of the conveyor, the first cylinder is fixedly arranged on the bottom of the limiting frame, and the limiting plate is fixedly connected with one end of the first cylinder.

[0009] The tobacco roller conveyor limiting device as claimed in any one of the preceding claims, wherein preferably, the upper surface of the limiting frame is provided with a second moving groove penetrating upward and downward, the bottom of the limiting frame is provided with a second cylinder, one end of the second cylinder is connected with a push plate, the second cylinder is connected with the control valve, and the second cylinder is used to drive the push plate to move in the second moving groove to realize the pushing and feeding of the large tobacco block.

[0010] The tobacco roller conveyor limiting device as claimed in any one of the preceding claims, wherein preferably, one side of the control valve is fixedly connected with a gas source pipe, the other side of the control valve is connected with the first cylinder and the second cylinder by a gas pipe, and the control valve can control the gas flow in the first cylinder and the second cylinder by the corresponding gas pipe.

[0011] The tobacco roller conveyor limiting device as claimed in any one of the preceding claims, wherein preferably, the push plate is fixedly connected with the second cylinder, the length of the push plate is consistent with the width of the conveyor, the limiting plate is perpendicular to the push plate, and the opening direction of the first moving groove is consistent with the conveying direction of the conveyor.

[0012] The tobacco roller conveyor limiting device as claimed in any one of the preceding claims, wherein preferably, the bottom of the limiting frame is provided with a slide rail frame, the bottom of the push plate is slidingly connected with the slide rail frame, and the back of the push plate is fixedly connected with a reinforcing rib.

[0013] The tobacco roller conveyor limiting device as claimed in any one of the preceding claims, wherein preferably, the upper surface of the limiting frame is connected with an arc-shaped limiting fence.

[0014] The tobacco roller conveyor limiting device as claimed in any one of the preceding claims, wherein preferably, the arc-shaped limiting fence is fixedly connected with the upper surface of the limiting frame, and the front end opening of the arc-shaped limiting fence is smaller than the rear end opening.

[0015] The utility model provides a tobacco roller conveyor limiting device, the light of photoelectric sensor emission is kept out by large tobacco block, makes photoelectric receiver unable to receive signal, makes the transmission signal of controller to control valve, control valve controls the first air cylinder to contract, makes the inside of limiting board to the inside movement of limiting frame, can push and rectify the placement neat of position tilt large tobacco block by the inside movement of both side limiting board, can control gas delivery to different air cylinders by control valve through above -mentioned structure, thereby reach to the pushing operation of pushing designated large tobacco block, avoid the problem of unable normal operation of prior art long time work, thereby reduce the failure rate of rectification large tobacco block structure, after the limiting of large tobacco block, then control second air cylinder contracts and moves push plate on slide rail frame, thereby make push plate push large tobacco block to conveyor side movement, make large tobacco block one end bottom contact on the conveyor, thereby reach to the operation of pushing large tobacco block feeding, make operator only need to lift large tobacco block and place on the limiting frame can directly feed, make operator have more time to open the box and take out large tobacco block, thereby improve the work efficiency of feeding. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the utility model will be described further below in conjunction with the drawings, and the drawings are as follows:

[0017] Figure 1 It is whole structure schematic diagram of tobacco roller conveyor limiting device embodiment provided by the utility model;

[0018] Figure 2 It is the sectional view of limiting board movement structure of the utility model;

[0019] Figure 3 It is the sectional view of push plate movement structure of the utility model;

[0020] Figure 4 It is the top view of limiting frame structure of the utility model.

[0021] Mark explanation: 1 - limiting frame, 2 - conveyor, 3 - photoelectric sensor, 4 - photoelectric receiver, 5 - controller, 6 - control valve, 7 - first movement groove, 8 - first air cylinder, 9 - limiting board, 10 - second movement groove, 11 - slide rail frame, 12 - second air cylinder, 13 - push plate, 14 - arc limiting fence, 15 - large tobacco block. DETAILED DESCRIPTION

[0022] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative in nature and is in no way intended to limit the disclosure, its application or uses. The disclosure can be implemented in numerous different forms, not just the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and fully convey the scope of the disclosure to those skilled in the art. It should be noted that the relative arrangement of components and steps, the components of materials, numerical expressions, and numerical values set forth in these embodiments are to be interpreted as merely illustrative, unless otherwise specifically stated.

[0023] The terms "first", "second", and similar terms used in the present disclosure do not denote any order, quantity, or importance, but are used to distinguish different parts. The terms "include" or "contain" and similar terms mean that the elements before the terms encompass the elements listed after the terms, and do not exclude the possibility of also encompassing other elements. "Up", "down", and the like are used only to indicate relative positional relationships, and when the absolute position of the described object changes, the relative positional relationship can also change accordingly.

[0024] In the present disclosure, when it is described that a specific component is located between a first component and a second component, there can be an intervening component between the specific component and the first component or the second component, or there can be no intervening component. When it is described that a specific component is connected to other components, the specific component can be directly connected to the other components without an intervening component, or can not be directly connected to the other components with an intervening component.

[0025] All terms used in the present disclosure, including technical terms or scientific terms, have the same meanings as those understood by a person of ordinary skill in the art to which the present disclosure belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries should be interpreted to have meanings consistent with their meanings in the context of the relevant art, and should not be interpreted in an idealized or extremely formalized sense, unless otherwise specifically defined herein.

[0026] Techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered as part of the specification where appropriate.

[0027] In the first step of the production process in the cut-tobacco workshop of a cigarette factory, workers need to place a paper box containing large tobacco blocks on the front-end platform of a roller conveyor, so that the large tobacco blocks are conveyed by the roller conveyor to the next process for unpacking, which is time-consuming and labor-intensive.

[0028] In order to solve this problem, the tobacco box automatic deviation correction conveying device is proposed. At present, the tobacco box automatic deviation correction conveying device can correct the position of the large tobacco block in front of the roller conveyor, and the single set of pushing structure is driven by the gear and the rack of the single motor, so as to realize the function of pushing the large tobacco block. However, the rack is the matching part of the gear, bears the force and movement of pushing the tobacco box, and long-term use will cause the surface of the rack to wear, even appear concave or uneven wear, which will affect the normal meshing of the gear and the rack, so that the deviation correction function cannot work normally.

[0029] Therefore, the utility model provides a tobacco roller conveyor limiting device, which can push and place the large tobacco block in position by driving the two side limiting plates to move inwardly through the contraction of the first air cylinder, thereby reducing the failure rate of the large tobacco block deviation correction structure.

[0030] As shown in Figures 1-4 The tobacco roller conveyor limiting device provided by the embodiment comprises a limiting frame 1 and a conveyor 2 arranged in sequence, a photoelectric sensor 3 is arranged at the top of the limiting frame 1, a photoelectric receiver 4 is arranged at the opposite top of the limiting frame 1, a controller 5 is arranged on one side of the limiting frame 1, a control valve 6 is arranged at the bottom of the limiting frame 1, the photoelectric sensor 3, the photoelectric receiver 4 and the control valve 6 are connected with the controller 5, a first moving groove 7 is arranged on the upper surface of the limiting frame 1 and penetrates the limiting frame 1 from top to bottom, a first air cylinder 8 is arranged at the bottom of the limiting frame 1, a limiting plate 9 is connected to one end of the first air cylinder 8, the first air cylinder 8 is connected with the control valve 6, and the upper surface of the limiting frame 1 is used for accommodating a large tobacco block 15.

[0031] The limiting frame 1 is installed on one end of the conveyor 2, and the large tobacco block 15 can be limited by the limiting frame 1 and then moved to the conveyor 2 for conveying, so that the large tobacco block 15 can keep a correct posture and enter the slicing machine for slicing.

[0032] Further, the number of the first air cylinders 8 is two, which are symmetrically arranged at the bottom of the limiting frame 1, and the number of the limiting plates 9 is two, which are respectively arranged outside the corresponding first air cylinders 8, so that large tobacco blocks 15 with different inclination angles can be pushed and limited inside the limiting plates 9 after movement, and the large tobacco blocks 15 can enter the conveyor 2 in a straight line for feeding. The first air cylinders 8 can drive the limiting plates 9 to move in the first moving groove 7, so as to push the large tobacco blocks 15 with inclined positions from both sides, realize the functions of adjusting the positions and limiting, and make the large tobacco blocks 15 limited to enter the conveyor 2 in a straight line. Through the above structure, the gas delivery of different first air cylinders 8 can be controlled by the control valve 6, so as to achieve the pushing operation of the large tobacco blocks 15, and under the effects of the superior stability and smooth pushing of the air cylinder, the problem that the existing technology cannot normally operate after long time working can be avoided, so as to reduce the failure rate of the structure for correcting the large tobacco blocks 15.

[0033] Further, the positions of the photoelectric sensor 3 and the photoelectric receiver 4 are at the middle section of the limiting frame 1, which can sense and limit the large tobacco blocks 15 with different sizes, so that the light emitted by the photoelectric sensor 3 is blocked by the large tobacco blocks 15, the photoelectric receiver 4 cannot receive the signal, and the controller 5 is started to limit, and the emitting hole of the photoelectric sensor 3 and the receiving hole of the photoelectric receiver 4 are located on the same straight line, so as to facilitate the photoelectric sensor 3 and the photoelectric receiver 4 to receive the signal. The photoelectric sensor 3 can emit light to the photoelectric receiver 4 for receiving, and when the light is blocked, the limiting structure can be controlled to limit. The controller 5 is used for receiving the signals of the photoelectric sensor 3 and the photoelectric receiver 4, and controlling the control valve 6 to control the limiting structure, so as to realize automatic limiting.

[0034] Further, the upper half of the limiting plate 9 is located at the top of the first moving groove 7, one side of the limiting frame 1 is installed at one end of the conveyor 2, the first air cylinder 8 is fixedly arranged at the bottom of the limiting frame 1, and the limiting plate 9 is fixedly connected with one end of the first air cylinder 8.

[0035] In work, when the large tobacco blocks 15 are placed on the limiting frame 1, the large tobacco blocks 15 block the light emitted by the photoelectric sensor 3, so that the photoelectric receiver 4 cannot receive the signal, the controller 5 transmits the signal to the control valve 6, the control valve 6 controls the first air cylinder 8 to contract, the limiting plate 9 moves to the inside of the limiting frame 1, and the large tobacco blocks 15 with inclined positions can be pushed and placed neatly by the inward movement of the limiting plates 9 on both sides.

[0036] Further, the upper surface of the limiting frame 1 is provided with a second moving groove 10 penetrating upward and downward, the bottom of the limiting frame 1 is provided with a second air cylinder 12, one end of the second air cylinder 12 is connected with a push plate 13, the second air cylinder 12 is connected with the control valve 6, the second air cylinder 12 is used to drive the push plate 13 to move in the second moving groove 10, so as to realize the pushing and feeding of the large tobacco block 15. Specifically, one side of the control valve 6 is fixedly connected with a gas source pipe, the other side of the control valve 6 is connected with the first air cylinder 8 and the second air cylinder 12 by a gas pipe, the control valve 6 can control the gas flow in the first air cylinder 8 and the second air cylinder 12 by the corresponding gas pipe, so as to realize the limiting by the first air cylinder 8 and the pushing by the second air cylinder 12.

[0037] Further, the push plate 13 is fixedly connected with the second air cylinder 12, the length of the push plate 13 is consistent with the width of the conveyor 2, and the limiting plate 9 is perpendicular to the push plate 13; the opening direction of the first moving groove 7 coincides with the conveying direction of the conveyor 2, so that the push plate 13 can push the large tobacco block 15 with all sizes below the width of the conveyor 2, and the problem of inclination of the large tobacco block 15 caused by uneven stress when the push plate 13 is pushed with a short length is avoided.

[0038] Further, the bottom of the limiting frame 1 is provided with a slide rail frame 11, the bottom of the push plate 13 is slidingly connected with the slide rail frame 11, and the slide rail frame 11 can increase the moving stress points of the limiting push plate 13, so that the push plate 13 moves more smoothly and stably.

[0039] After the first air cylinder 8 drives the limiting plate 9 to move in the first moving groove 7 and pushes the large tobacco block 15 with an inclined position to be placed neatly, the second air cylinder 12 is controlled to be retracted, the push plate 13 is moved on the slide rail frame 11, so that the push plate 13 pushes the large tobacco block 15 to move to one side of the conveyor 2, and one end of the large tobacco block 15 contacts the conveyor 2, so as to realize the feeding operation of the large tobacco block 15, the operator only needs to lift the large tobacco block and place it on the limiting frame to directly feed, so that the operator has more time to open the box and take out the large tobacco block 15, thereby improving the working efficiency of feeding.

[0040] Further, the back of the push plate 13 is fixedly connected with a reinforcing rib, which can push the heavy large tobacco block 15 for feeding under the reinforcing action of the reinforcing rib.

[0041] Further, the upper surface of the limiting frame 1 is connected with an arc-shaped limiting fence 14. Specifically, the arc-shaped limiting fence 14 is fixedly connected to the upper surface of the limiting frame 1, and the front end opening of the arc-shaped limiting fence 14 is smaller than the rear end opening. The arc-shaped limiting fence 14 can limit the front end of the large tobacco block 15, so as to avoid the problem of position inclination caused by uneven stress during pushing, and ensure that the large tobacco block 15 can be conveyed in a proper posture.

[0042] The tobacco roller conveyor limiting device provided by the embodiment of the utility model, through the large tobacco block blocking the light emitted by the photoelectric sensor, the photoelectric receiver cannot receive the signal, the controller transmits the signal to the control valve, the control valve controls the first air cylinder to shrink, the limiting plate moves to the inner side of the limiting frame, the position inclination large tobacco block can be pushed and rectified and placed neatly by the inward movement of the two limiting plates, the control valve can control the gas delivery of different air cylinders through the above structure, so as to achieve the pushing operation of the specified large tobacco block, avoid the problem of unable to normally run caused by long time work of the prior art, so as to reduce the failure rate of the rectification large tobacco block structure, after the large tobacco block is limited, then the second air cylinder is controlled to shrink and move the push plate on the slide rail frame, so that the push plate pushes the large tobacco block to move to the side of the conveyor, the bottom of one end of the large tobacco block contacts the conveyor, so as to achieve the operation of pushing the large tobacco block, the operator only needs to lift the large tobacco block and place it on the limiting frame to directly feed, so that the operator has more time to open the box and take out the large tobacco block, so as to improve the work efficiency of feeding.

[0043] At this point, the embodiments of the present disclosure have been described in detail. In order to avoid obscuring the concept of the present disclosure, some details known in the art are not described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein according to the above description.

[0044] Although some specific embodiments of the present disclosure have been described in detail through examples, those skilled in the art should understand that the above examples are only for illustration, not for limiting the scope of the present disclosure. Those skilled in the art should understand that the above embodiments can be modified or some technical features can be replaced equivalently without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.

Claims

1. A tobacco roller conveyor limiting device, characterized in that, include: A limiting frame and a conveyor are arranged sequentially. A photoelectric sensor is installed on the top of the limiting frame, and a photoelectric receiver is installed on the top of the opposite side of the limiting frame. A controller is installed on one side of the limiting frame, and a control valve is installed at the bottom of the limiting frame. The photoelectric sensor, the photoelectric receiver, and the control valve are all connected to the controller. A first moving groove is formed through the upper surface of the limiting frame. A first cylinder is installed at the bottom of the limiting frame. One end of the first cylinder is connected to a limiting plate. The first cylinder is connected to the control valve. The upper surface of the limiting frame is used to accommodate large smoke blocks.

2. A tobacco roller conveyor limiting device according to claim 1, characterised in that, There are two first cylinders, symmetrically arranged at the bottom of the limiting frame, and two limiting plates, respectively arranged on the outside of the corresponding first cylinders.

3. The tobacco roller conveyor stopper of claim 1, wherein, The photoelectric sensor and the photoelectric receiver are located in the middle section of the limiting frame, and the transmitting hole of the photoelectric sensor and the receiving hole of the photoelectric receiver are on the same straight line.

4. The tobacco roller conveyor stopper of claim 1, wherein, The upper half of the limiting plate is located at the top of the first moving groove, and one side of the limiting frame is installed at one end of the conveyor; the first cylinder is fixedly disposed at the bottom of the limiting frame, and the limiting plate is fixedly connected to one end of the first cylinder.

5. The tobacco roller conveyor stopper of claim 1, wherein, The upper surface of the limiting frame is provided with a second moving groove that runs vertically through it. A second cylinder is provided at the bottom of the limiting frame. One end of the second cylinder is connected to a push plate. The second cylinder is connected to the control valve. The second cylinder is used to drive the push plate to move in the second moving groove to push and feed the large smoke block.

6. A tobacco roller conveyor limiting device according to claim 5, characterised in that, One side of the control valve is fixedly connected to an air source pipe, and the other side of the control valve is connected to the first cylinder and the second cylinder by an air pipe. The control valve can control the gas flow in the first cylinder and the second cylinder by the corresponding air pipe.

7. The tobacco roller conveyor stop device of claim 5, wherein, The push plate is fixedly connected to the second cylinder, and the length of the push plate is the same as the width of the conveyor. The limiting plate is perpendicular to the push plate. The opening direction of the first moving groove coincides with the conveying direction of the conveyor.

8. A tobacco roller conveyor limiting device according to claim 7, characterised in that, The bottom of the limiting frame is provided with a slide rail frame, and the bottom of the push plate is slidably connected to the slide rail frame; a reinforcing rib is fixedly connected to the back of the push plate.

9. The tobacco roller conveyor stop device of claim 1, wherein, The upper surface of the limiting frame is connected to an arc-shaped limiting barrier.

10. A tobacco roller conveyor limiting device according to claim 9, characterised in that, The arc-shaped limiting barrier is fixedly connected to the upper surface of the limiting frame, and the front opening of the arc-shaped limiting barrier is smaller than the rear opening.