Intercommunication output device for tobacco belt conveyor and conversion method of intercommunication output device
A dual-output channel system and pneumatic control system for tobacco belt conveyors address the timely removal of unqualified materials, improving tobacco products and process control levels, and are suitable for tobacco belt devices.
Patent Information
- Application Number
- CN202411237163.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-05
- Publication Date
- 2024-12-10
AI Technical Summary
Existing tobacco belt conveyors face issues with unqualified materials not being timely discharged, affecting product quality and process control due to single-point material transportation.
A dual-output channel system with a channel conversion mechanism and pneumatic control system that allows manual and automatic conversion of material output channels, enabling timely removal of unqualified materials and multi-point material transportation.
The system effectively and efficiently addresses the timely removal of unqualified materials, improving product quality and process control levels, and is suitable for tobacco belt conveyor devices.
Smart Images

Figure CN119100092A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of tobacco industry silk making equipment, and in particular to an intercommunication output device for a tobacco belt conveyor and a conversion method thereof. Background Art
[0002] The belt conveyor of the tobacco industry silk making equipment is an auxiliary connection device between the main machines. It is mainly composed of the head device, the tail device, the fuselage section, the active roller, the passive roller, the roller, the cleaning device, the endless conveyor belt, the discharge cover, the support frame, the chain cover and the driving device. The conveyor belt is an endless conveyor belt that meets the food hygiene requirements, and the driving device generally uses a reduction motor. The belt conveyor is a continuous conveying mechanical equipment with a flexible conveyor belt as a material carrier and a traction member. It is based on the friction transmission principle. Under the control of the electronic control system, it directly drives the motor to transmit power to the active roller, so that the belt moves continuously, so that the material can be transported according to the predetermined point-to-point process.
[0003] In the prior art, when unqualified materials appear during the operation of the belt conveyor or materials are discharged midway without entering the next process, there is a problem that they cannot be discharged in time to avoid flowing into the next process, which affects the product quality and the improvement of the process control level. Summary of the invention
[0004] The purpose of the present invention is to overcome the shortcomings of the prior art and provide an intercommunication output device for tobacco belt conveyors and a conversion method thereof, which solves the problem of point-to-point material transportation in a single output channel of the existing belt conveyor, is designed as a dual output channel, and has the function of intercommunication conversion to multi-point material transportation according to the selected output channel signal; at the same time, a conversion method for obtaining intercommunication signals manually on site and automatically remotely is set, and the material output channel is converted according to actual needs, so as to facilitate the timely removal of unqualified materials. It improves the quality of tobacco products and the level of process control, and eliminates the hidden dangers that affect product quality.
[0005] In order to achieve the above object, the technical solution adopted by the present invention is: A tobacco belt conveyor intercommunication output device, comprising a belt conveyor (1), a rear conveyor (2), a channel conversion mechanism (3), an execution cylinder (4), a transmission material pipe (5), a material receiving box (6), and a pneumatic control station (7); the belt conveyor comprises a discharge cover (11), an endless conveyor belt (12), and a rear conveyor is arranged below the discharge cover; the device is characterized in that a window is provided on the front panel of the discharge cover, a channel conversion mechanism is arranged in the window, the channel conversion mechanism comprises a material guide trough (31), a transmission support (32), a rotating support (33), and a material guide scraper (34); a material guide scraper is arranged at the bottom of the material guide trough, a transmission support and a rotating support are arranged on both sides of the material guide trough, the material guide trough is installed on the front panel of the discharge cover through two rotating supports, and the material guide trough is arranged outside the material guide trough. The shaped structure matches the appearance of the front panel of the discharge hood. It has the dual functions of sealing the discharge hood door leaf when closed and reversing the material output channel when opened. A transmission pipe is arranged at the lower end of the discharge trough, and a material receiving box is arranged at the lower end of the transmission pipe. The panels on both sides of the discharge hood are provided with actuator cylinders, and the piston rod of the actuator cylinder is hinged to the transmission support. The discharge trough is driven to rotate around the rotating support to perform an opening / closing action through the telescopic action of the piston rod. When the discharge trough is in the closed position, the annular conveyor belt of the belt conveyor conveys the material through the discharge hood and falls onto the rear conveyor to be transported to the next process. When the discharge trough is switched to the open position, the discharge trough flips inward, and the upper material guide scraper is close to the annular conveyor belt, thereby switching the material conveying channel to discharge the material, and then transporting it to the material receiving box through the transmission pipe.
[0006] Furthermore, a stroke adjustment knob (41) is provided at the other end of the actuator cylinder, and the sealing effect of the material outlet trough when opened and closed is adjusted by adjusting the stroke adjustment knob of the actuator cylinder; when opened, the angle between the bottom surface of the material outlet trough (31) and the horizontal plane is 35-50°.
[0007] Furthermore, by matching the shape of the outlet trough (31) with the shape and bending angle of the front panel of the outlet cover (11), a sealing strip is provided around the bottom plate of the outlet trough to ensure a sealing effect.
[0008] Furthermore, a maintenance valve (13) is provided on the side of the discharge cover. The maintenance valve is made of transparent organic material and is opened and closed by means of a plug-in plate. The material guide scraper (34) is made of a polymer organic material to ensure elasticity and softness.
[0009] A conversion method for an intercommunication output device of a tobacco belt conveyor, comprising a pneumatic control station (7), a filter pressure regulating valve (71), a two-position three-way solenoid valve (72), a manual control circuit (73), a three-position four-way manual reversing valve (731), a normally open solenoid valve (732), an automatic control circuit (74), a two-position four-way solenoid valve (741), a normally closed solenoid valve (742), an execution circuit (75), and a one-way throttle valve (751). The gas source is regulated by the filter pressure regulating valve and is divided into two output branches after passing through the two-position three-way solenoid valve. Branch one: spring limit, connected to the manual control circuit, branch two: electromagnetic limit, connected to the automatic control circuit; when the two-position knob on the operating panel of the pneumatic control station is rotated to the "local" position, the two-position three-way solenoid valve and the normally open solenoid valve electromagnetic terminal Y1 lose power, branch one enters the working position, compressed gas enters the manual control circuit, and after the two-position four-way solenoid valve is manually operated to select the opening or closing of the working position, the compressed gas passes through The normally open solenoid valve and the one-way throttle valve are connected to the execution circuit, driving the channel conversion mechanism to open or close the material output channel for intercommunication conversion; when the two-position knob on the operation panel is rotated to the "remote" position, the solenoid end Y1 of the two-position three-way solenoid valve is energized, the solenoid end Y1 of the normally closed solenoid valve is energized to open, and the solenoid end Y1 of the normally open solenoid valve is energized to close, and the branch 2 enters the working position, and the compressed gas is connected to the automatic control circuit, and the deviation signal set by the front-end belt scale or moisture meter according to the process requirements is collected and converted into the two-position four-way solenoid valve automatic switching electric signal Y2, Y3; when the electric signal Y2 is energized to the upper position and enters the working position, the compressed gas passes through the normally closed solenoid valve and the one-way throttle valve to enter the rodless cavity of the execution cylinder, and the piston rod is pushed out to drive the export trough to close; when the electric signal Y3 is energized to the lower position and enters the working position, the compressed gas passes through the normally closed solenoid valve and the one-way throttle valve to enter the rod cavity of the execution cylinder, and the piston rod retracts to drive the export trough to open, completing the conversion action of the material intercommunication output channel.
[0010] Furthermore, the pneumatic control station adopts a two-position three-way valve with electromagnetic reversing and spring reset. When set to the "local" position, it directly connects to the manual control circuit. The manual control circuit is equipped with a three-position four-way manual reversing valve to manually select the conversion output circuit, and no power signal is required for the action.
[0011] Furthermore, the manual control circuit and the automatic control circuit output ends are respectively provided with a normally open electromagnetic reversing valve and a normally closed electromagnetic reversing valve, and the electromagnetic signals are connected in parallel with the two-position three-way valve electromagnetic signal Y1 to automatically cut off the series gas path of the two control circuits.
[0012] The present invention provides an intercommunication output device and conversion method for a tobacco belt conveyor, which solves the problem of point-to-point material transportation of a single output channel of an existing belt conveyor without changing the original structure of the equipment. It is designed as a dual output channel, and has the function of intercommunication conversion to multi-point material transportation according to the selected output channel signal; at the same time, a conversion method for obtaining intercommunication signals manually on site and automatically remotely is set, and the material output channel is converted according to actual needs, so as to facilitate the timely removal of unqualified materials. It improves the quality of tobacco products and the level of process control, eliminates the hidden dangers that affect product quality, and is suitable for the promotion and use of intercommunication output devices for tobacco belt conveyors. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the structure of the tobacco belt conveyor intercommunication output device of the present invention in a closed state; Figure 2 It is a schematic diagram of the structure of the tobacco belt conveyor intercommunication output device of the present invention in the open state; Figure 3 It is a schematic diagram of the side structure of the intercommunication output device for tobacco belt conveyor of the present invention; Figure 4 The present invention is a schematic diagram of a pneumatic control circuit for an intercommunication output device of a tobacco belt conveyor.
[0014] In the figure: belt conveyor 1, discharge cover 11, endless conveyor belt 12, maintenance valve 13, rear conveyor 2, channel conversion mechanism 3, material outlet trough 31, transmission support 32, rotating support 33, material guide scraper 34, actuator cylinder 4, stroke adjustment knob 41, material transmission pipe 5, material receiving box 6, pneumatic control station 7, filter pressure regulating valve 71, two-position three-way solenoid valve 72, manual control circuit 73, three-position four-way manual reversing valve 731, normally open solenoid valve 832, automatic control circuit 74, two-position four-way solenoid valve 741, normally closed solenoid valve 742, actuator circuit 75, one-way throttle valve 751. DETAILED DESCRIPTION
[0015] In order to make the technical solution and advantages of the present invention clearer, the technical solution of the present invention will be further described in detail in detail with reference to the accompanying drawings. It can be understood that the specific embodiments described here are only partial embodiments of the present invention, which are only used to explain the present invention, not to limit the present invention. It should be noted that, for the convenience of description, only the parts / structures related to the present invention are shown in the accompanying drawings, and other related parts can refer to the general design. In the absence of conflict, the embodiments of the present invention and the technical features in the embodiments can be combined with each other to obtain new embodiments.
[0016] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. In addition, unless otherwise defined, the technical terms or scientific terms used in the description of the present invention should be the common meanings understood by ordinary technicians in the field to which the present invention belongs.
[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0018] like Figure 1-3 As shown, a tobacco belt conveyor intercommunication output device comprises a belt conveyor 1, a rear conveyor 2, a channel conversion mechanism 3, an execution cylinder 4, a transmission material pipe 5, a material receiving box 6, and a pneumatic control station 7. The belt conveyor 1 comprises a discharge cover 11 and an annular conveyor belt 12, and the rear conveyor 2 is arranged below the discharge cover 11; it is characterized in that: a window is opened on the front panel of the discharge cover 11, and a channel conversion mechanism 3 is arranged in the window, and the channel conversion mechanism 3 comprises an outlet trough 31, a transmission support 32, a rotating support 33, and a material guide scraper 34. The bottom of the outlet trough 31 is provided with a material guide scraper 34, and the two side surfaces of the outlet trough 31 are provided with a transmission support 32 and a rotating support 33. The outlet trough 31 is installed on the front panel of the discharge cover 11 through two rotating supports 33, and the outer shape structure of the outlet trough 31 is similar to the outer shape of the front panel of the discharge cover 11. The discharge chute 31 is matched and has the dual functions of sealing the door leaf of the discharge hood 11 when closed and serving as a material reversing output channel when opened. A transmission pipe 5 is provided at the lower end of the discharge chute 31, and a material receiving box 6 is provided at the lower end of the transmission pipe 5; the two side panels of the discharge hood 11 are provided with an actuator cylinder 4, and the piston rod of the actuator cylinder 4 is hinged to the transmission support 32, and the discharge chute 31 is driven to open / close around the rotating support 33 through the telescopic action of the piston rod; when the discharge chute 31 is in the closed position, the annular conveyor belt 12 of the belt conveyor 1 conveys the material through the discharge hood 11 and falls onto the rear conveyor 2, and is transported to the next process; when the discharge chute 31 is converted to the open position, the discharge chute 31 flips inward, and the upper material guide scraper 34 is close to the annular conveyor belt 12, thereby converting the material conveying channel to discharge the material, and then conveying it to the material receiving box 6 through the transmission pipe 5.
[0019] A stroke adjustment knob 41 is provided at the other end of the execution cylinder 4. By adjusting the stroke adjustment knob 41 of the execution cylinder 4, the sealing effect of the outlet trough 31 when opened and closed is adjusted; when opened, the angle between the bottom surface of the outlet trough 31 and the horizontal plane is 35-50°.
[0020] By matching the shape of the outlet trough 31 with the shape and bending angle of the front panel of the outlet cover 11, the sealing strips arranged around the bottom plate of the outlet trough 31 ensure the sealing effect.
[0021] A maintenance valve 13 is arranged on the side of the discharge cover 11. The maintenance valve 13 is made of transparent organic material and is opened and closed by a plug-in plate. The material guide scraper 34 is made of high molecular organic material to ensure elasticity and softness.
[0022] like Figure 4 As shown, a conversion method for an intercommunication output device of a tobacco belt conveyor includes a pneumatic control station 7, a filter pressure regulating valve 71, a two-position three-way solenoid valve 72, a manual control circuit 73, a three-position four-way manual reversing valve 731, a normally open solenoid valve 732, an automatic control circuit 74, a two-position four-way solenoid valve 741, a normally closed solenoid valve 742, an execution circuit 75, and a one-way throttle valve 751. The air source is regulated by the filter pressure regulating valve 71 and is divided into two output branches after passing through the two-position three-way solenoid valve 72. Branch 1: Spring limit, connected to manual control circuit 73, branch 2: electromagnetic limit, connected to automatic control circuit 74; when the two-position knob on the operating panel of the pneumatic control station 7 is turned to the "local" position, the electromagnetic end Y1 of the two-position three-way solenoid valve 72 and the normally open solenoid valve 732 loses power, branch 1 enters the working position, and the compressed gas enters the manual control circuit 73. After the two-position four-way solenoid valve 741 is manually operated to select the open or close working position, the compressed gas passes through the normally open solenoid valve 732 and the one-way throttle valve 751 to enter the execution position. The circuit 75 drives the channel conversion mechanism 3 to open or close the material output channel for intercommunication conversion; when the two-position knob on the operation panel is turned to the "remote" position, the electromagnetic end Y1 of the two-position three-way solenoid valve 72 is energized, the electromagnetic end Y1 of the normally closed solenoid valve 742 is energized to open, and the electromagnetic end Y1 of the normally open solenoid valve 732 is energized to close, and the branch 2 enters the working position, and the compressed gas enters the automatic control circuit 74, and is converted into a two-position four-way solenoid valve by collecting the deviation signal set by the front-end belt scale or moisture meter according to the process requirements. 741 automatically switches the electrical signals Y2 and Y3; when the electrical signal Y2 is energized to the upper position and enters the working position, the compressed gas passes through the normally closed solenoid valve 742 and the one-way throttle valve 751 to enter the rodless chamber of the actuator cylinder 4, the piston rod is pushed out, and the lead-out trough 31 is driven to close; when the electrical signal Y3 is energized to the lower position and enters the working position, the compressed gas passes through the normally closed solenoid valve 742 and the one-way throttle valve 751 to enter the rod chamber of the actuator cylinder 4, the piston rod retracts, and the lead-out trough 31 is driven to open, completing the conversion action of the material intercommunication output channel.
[0023] The pneumatic control station 7 adopts a two-position three-way valve 72 with electromagnetic reversing and spring reset. When it is set in the "local" position, it is directly connected to the manual control circuit 73. The manual control circuit 73 is provided with a three-position four-way manual reversing valve 731, and the output circuit is manually selected to be converted. No power signal is required for the action; the output ends of the manual control circuit 73 and the automatic control circuit 74 are respectively provided with a normally open electromagnetic reversing valve 732 and a normally closed electromagnetic reversing valve 742. The electromagnetic signals are connected in parallel with the electromagnetic signal Y1 of the two-position three-way valve 72, and the series gas path of the two control circuits is automatically cut off.
[0024] A one-way throttle valve 751 is provided at the input end of the execution loop 75, and the one-way throttle valve 751 is used to achieve input throttling speed regulation and quick discharge requirements of the execution cylinder 4; the execution cylinder 4 adopts an adjustable stroke cylinder, and the requirement of accurate working stroke is achieved through the stroke adjustment knob 41.
[0025] A conversion method for an intercommunication output device of a tobacco belt conveyor of the present invention comprises the following steps: setting a two-position knob switch of "local" and "remote" on an operation panel of a pneumatic control station, and switching the connection between an output branch and a manual or automatic control circuit through a two-position three-way valve of spring limit and electromagnetic reversing; setting a three-position four-way manual reversing valve in a manual control circuit, and in a "local" working position, without turning on a power signal, the material output channel can be manually switched on-site, and the material that does not need to enter the next process can be exported; setting a two-position four-way electromagnetic reversing valve in an automatic control circuit, and in a "remote" working position, by collecting a deviation signal set according to process requirements by a front-end belt scale or a moisture meter, the material output channel can be automatically selected for conversion, and unqualified materials can be exported as required; and setting a normally open and a normally closed electromagnetic reversing valve at the output ends of the manual and automatic control circuits, respectively, and automatically isolating the series gas path of the two circuits, so as to ensure that the execution of the circuit action and the stroke are accurate and stable.
[0026] The present invention provides an intercommunication output device and conversion method for a tobacco belt conveyor, which solves the problem of point-to-point material transportation of a single output channel of an existing belt conveyor without changing the original structure of the equipment. It is designed as a dual output channel, and has the function of intercommunication conversion to multi-point material transportation according to the selected output channel signal; at the same time, a conversion method for obtaining intercommunication signals manually on site and automatically remotely is set, and the material output channel is converted according to actual needs, so as to facilitate the timely removal of unqualified materials. It improves the quality of tobacco products and the level of process control, eliminates the hidden dangers that affect product quality, and is suitable for the promotion and use of intercommunication output devices for tobacco belt conveyors.
[0027] The above-mentioned implementation modes are for explanation of the present invention rather than limitation of the present invention. It can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.
Claims
1. A tobacco belt conveyor intercommunication output device, comprising a belt conveyor (1), a rear conveyor (2), a channel conversion mechanism (3), an execution cylinder (4), a material transmission pipe (5), a material receiving box (6), and a pneumatic control station (7); the belt conveyor comprises a discharge cover (11) and an annular conveyor belt (12); a rear conveyor is arranged below the discharge cover; and characterized in that: A window is provided on the front panel of the discharge hood, and a channel conversion mechanism is provided in the window. The channel conversion mechanism comprises an outlet trough (31), a transmission support (32), a rotating support (33), and a material guide scraper (34). A material guide scraper is provided at the bottom of the outlet trough, and a transmission support and a rotating support are provided on both sides of the outlet trough. The outlet trough is mounted on the front panel of the discharge hood via two rotating supports. The outer shape structure of the outlet trough matches the outer shape of the front panel of the discharge hood. The outlet trough has the dual functions of being a sealing door leaf of the discharge hood when closed and being a material reversing output channel when opened. A transmission pipe is provided at the lower end of the outlet trough. A material receiving box is provided at the lower end of the transmission material pipe; actuator cylinders are provided on the two side panels of the discharge cover, and the piston rods of the actuator cylinders are hinged to the transmission support, and the lead-out trough is driven to rotate around the rotating support to perform an opening / closing action through the telescopic action of the piston rod; when the lead-out trough is in the closed position, the annular conveyor belt of the belt conveyor conveys the material through the discharge cover and falls onto the rear conveyor to be transported to the next process; when the lead-out trough is switched to the open position, the lead-out trough flips inwards, until the upper material guide scraper is close to the annular conveyor belt, thereby switching the material conveying channel to lead the material out, and then transporting it to the material receiving box through the transmission material pipe.
2. A tobacco belt conveyor intercommunication output device as claimed in claim 1, characterized in that: The other end of the actuator cylinder is provided with a stroke adjustment knob (41), and the sealing effect of the material outlet trough when opened and closed is adjusted by adjusting the stroke adjustment knob of the actuator cylinder; when opened, the angle between the bottom surface of the material outlet trough (31) and the horizontal plane is 35-50°.
3. A tobacco belt conveyor intercommunication output device as claimed in claim 2, characterized in that: By matching the shape of the outlet trough (31) with the shape and bending angle of the front panel of the outlet cover (11), a sealing strip is provided around the bottom plate of the outlet trough to ensure a sealing effect.
4. The tobacco belt conveyor intercommunication output device according to claim 3, characterized in that: A maintenance valve (13) is arranged on the side of the discharge cover. The maintenance valve is made of transparent organic material and is opened and closed by means of a plug-in plate. The material guide scraper (34) is made of a polymer organic material to ensure elasticity and softness.
5. A conversion method for an intercommunication output device of a tobacco belt conveyor, comprising the intercommunication output device of a tobacco belt conveyor as claimed in claim 4, comprising a pneumatic control station (7), a filter pressure regulating valve (71), a two-position three-way solenoid valve (72), a manual control circuit (73), a three-position four-way manual reversing valve (731), a normally open solenoid valve (732), an automatic control circuit (74), a two-position four-way solenoid valve (741), a normally closed solenoid valve (742), an execution circuit (75), and a one-way throttle valve (751). The air source is regulated by the filter pressure regulating valve and is divided into two output branches after passing through the two-position three-way solenoid valve. Branch 1: spring limit, connected to the manual control circuit, branch 2: electromagnetic limit, connected to the automatic control circuit; when the two-position knob of the pneumatic control station operation panel is rotated to the "local" position, the two-position three-way solenoid valve and the normally open solenoid valve electromagnetic terminal Y1 lose power, branch 1 enters the working position, compressed air enters the manual control circuit, and the two-position four-way solenoid valve is manually operated to select After selecting the open or close working position, the compressed gas passes through the normally open solenoid valve and the one-way throttle valve into the execution circuit, driving the channel conversion mechanism to open or close the material output channel intercommunication conversion action; when the two-position knob of the operation panel is rotated to the "remote" position, the electromagnetic end Y1 of the two-position three-way solenoid valve is energized, the electromagnetic end Y1 of the normally closed solenoid valve is energized to open, and the electromagnetic end Y1 of the normally open solenoid valve is energized to close, and the branch 2 enters the working position, and the compressed gas passes into the automatic control circuit, and is converted into the two-position four-way solenoid valve automatic position conversion electric signal Y2, Y3 by collecting the deviation signal set by the front-end belt scale or moisture meter according to the process requirements; when the electric signal Y2 is energized to the upper position and enters the working position, the compressed gas passes through the normally closed solenoid valve and the one-way throttle valve into the rodless cavity of the execution cylinder, the piston rod is pushed out, and the export trough is driven to close; when the electric signal Y3 is energized to the lower position and enters the working position, the compressed gas passes through the normally closed solenoid valve and the one-way throttle valve into the rod cavity of the execution cylinder, the piston rod retracts, and the export trough is driven to open, completing the conversion action of the material intercommunication output channel.
6. The conversion method according to claim 5, characterized in that: The pneumatic control station adopts a two-position three-way valve with electromagnetic reversing and spring reset. When it is set to the "local" position, it goes directly to the manual control circuit. The manual control circuit is equipped with a three-position four-way manual reversing valve. The output circuit is manually selected and converted, and no power signal is required for operation.
7. The conversion method according to claim 6, characterized in that: The manual control circuit and the automatic control circuit output ends are respectively provided with a normally open electromagnetic reversing valve and a normally closed electromagnetic reversing valve, and the electromagnetic signals are connected in parallel with the two-position three-way valve electromagnetic signal Y1 to automatically cut off the series gas path of the two control circuits.
