Double-channel cut tobacco suction guide rail for cigarette making machine

Abstract

The utility model discloses a double-channel cut tobacco suction guide rail for a cigarette making machine, which comprises three guide rail bodies arranged at intervals, adjacent guide rail bodies are separated by a plurality of spacers to form channels, the three guide rail bodies and the plurality of spacers are connected together, and alloy guide bars are respectively arranged in two channels among the three guide rail bodies. The alloy guide strips are fixedly connected to the multiple spacers in the corresponding channels, the bottom end faces of the alloy guide strips are supporting faces horizontally extending along the channels, the portions, located below the spacers, of the side walls of the guide rail bodies on the two sides of the channels are each provided with a super-hard alloy abrasion-resistant layer, and the cut tobacco suction belts are located in the channels and supported through the supporting faces of the alloy guide strips above the cut tobacco suction belts. The superhard alloy wear-resistant layers on the two sides of the channel and the cut tobacco suction belt jointly define a conveying channel for cut tobacco to pass through. Compared with the prior art, the guide rail has the advantages of improving the stability of cigarette bundle adsorption conveying, reducing friction resistance in the cigarette bundle conveying process and prolonging the service life of the guide rail.

Description

Technical Field

[0001] The utility model relates to the technical field of cigarette making equipment, in particular to a double-channel suction guide rail for a cigarette making machine. Background Art

[0002] The tobacco suction and forming process of the YJ116A cigarette making machine is the main part of tobacco feeding in the cigarette rolling process, which mainly completes the function of adsorbing and conveying tobacco. The tobacco feeding process is completed by the cooperation of the tobacco suction guide rail and the tobacco suction belt.

[0003] The existing tobacco suction guide is a ceramic bead roller structure, which mainly includes three guide bodies. Adjacent guide bodies are separated by spacers to form channels. Multiple ceramic beads are arranged at intervals in the channels between adjacent guide bodies. The ceramic beads are installed on the guide bodies on both sides by rotating the pins. Negative pressure suction air is transmitted from the intervals between adjacent ceramic beads. The tobacco suction belt slides against the roller surface of the ceramic beads. The tobacco is adsorbed on the tobacco suction belt and clamped by the sides of the guide bodies on both sides of the channel and transported forward. This type of tobacco suction guide has the following disadvantages:

[0004] 1. Large wind resistance: When the ceramic beads are working, the supporting part of the suction belt is only the arc section at the bottom of the ceramic beads, while the widest part of the middle section of the magnetic beads hinders the transmission of negative pressure suction and affects the uniformity of the ventilation of the suction belt;

[0005] 2. Easy to accumulate dirt: When the ceramic beads are running at high speed, their surface and central hole are easy to be stained with tobacco dirt, which makes the ceramic beads inflexible, resulting in obstruction of the suction belt or uneven wear of the outer working surface of the ceramic beads, affecting the uniformity of the thickness of the tobacco layer under the suction belt, resulting in uneven weight and empty cigarettes;

[0006] 3. Poor wear uniformity: The ceramic beads run at high speed for a long time, and the pins in the ceramic bead holes and the center of the ceramic beads are easy to wear, resulting in large shaking. In addition, the magnetic beads are set at intervals, so the wear of each ceramic bead is also significantly different, and the wear is uneven. The lower support surface between the ceramic beads jumps in a wave-like manner, affecting the uniformity of the thickness of the tobacco layer at the bottom of the suction belt, resulting in uneven weight and empty cigarettes;

[0007] 4. The contact surface between the side wall of the wire suction guide and the tobacco has poor wear resistance and a high friction coefficient. The side wall of the wire suction guide in contact with the tobacco is sprayed with wear-resistant material, and the sprayed wear-resistant layer achieves the requirements of both wear resistance and reduced friction. However, since the wire suction guide is directly connected to the fluidized bed, the fluidized bed sprays 40-45mbar pressure air and mixes with the tobacco to form gas-solid two-phase erosion and wear, which causes the wear-resistant layer sprayed on the inner side of the wire suction guide to peel off, thereby failing to achieve the role of wear resistance and friction reduction. Utility Model Content

[0008] The utility model aims to overcome the deficiencies of the prior art and provides a double-channel tobacco suction guide rail for a cigarette making machine to improve the stability of tobacco bundle adsorption and transportation, reduce the friction resistance during tobacco bundle transportation, and extend the service life of the guide rail.

[0009] The utility model is realized by the following technical solutions:

[0010] A double-channel tobacco suction guide for a cigarette making machine comprises three guide rail bodies arranged at intervals, wherein adjacent guide rail bodies are separated by a plurality of spacers to form channels, the three guide rail bodies and the plurality of spacers are connected together, alloy guide strips are respectively arranged in the two channels between the three guide rail bodies, the alloy guide strips are fixedly connected to a plurality of spacers in the corresponding channels, the bottom end surfaces of the alloy guide strips are support surfaces extending horizontally along the channels, a super-hard alloy wear-resistant layer is arranged on the side walls of the guide rail bodies at the positions below the spacers on both sides of the channels, a tobacco suction strip is located in the channels and is supported by the support surfaces of the alloy guide strips above, and the super-hard alloy wear-resistant layers on both sides of the channels and the tobacco suction strip together form a conveying channel for tobacco to pass through.

[0011] As a preferred solution for the above-mentioned wire suction guide rail, the spacer body includes a spacer body and mounting ends located at both ends of the spacer body. The spacer body and the mounting ends are both cylindrical structures and are coaxially arranged. The outer diameter of the mounting end is smaller than the outer diameter of the spacer body. The spacer body is respectively installed on two adjacent guide rail bodies through the mounting ends at both ends, and the alloy guide bar is fixedly mounted on the spacer body.

[0012] As a preferred solution of the above-mentioned wire suction guide rail, an annular groove is formed in the middle section of the outer circumferential surface of the spacer body, and a mounting hole is formed on the alloy guide bar, and the alloy guide bar is inserted into the annular groove of the spacer body through the mounting hole.

[0013] As a preferred solution of the above-mentioned wire suction guide rail, the spacer is composed of two spacer parts that are coaxially plugged in along the axial direction, and the annular groove is formed between the two spacer parts.

[0014] As a preferred solution of the above-mentioned wire suction guide rail, the three guide rail bodies and the spacer bodies are connected together by simultaneously passing a transverse screw through the central holes of the three guide rail bodies and the two spacer bodies located in the two channels and tightening the nut.

[0015] As a preferred embodiment of the above-mentioned wire suction guide rail, the super-hard alloy wear-resistant layer is a tungsten-cobalt alloy layer.

[0016] As a preferred embodiment of the above-mentioned wire suction guide rail, the opposite sides of the super-hard alloy wear-resistant layer on both sides of the channel are polished surfaces.

[0017] As a preferred solution of the above-mentioned wire suction guide rail, wire suction grooves for the suction wire to pass through are respectively formed on the super-hard alloy wear-resistant layers on both sides of the channel.

[0018] Compared with the prior art, the utility model has the following advantages:

[0019] The utility model provides a double-channel tobacco suction guide rail for a cigarette making machine, which realizes full support for the entire section of the tobacco suction belt by arranging alloy guide strips in the channel to replace the original porcelain beads. The supporting effect is good, the horizontality of the tobacco suction belt is guaranteed, the tobacco absorbed under the tobacco suction belt is distributed more evenly, the tobacco bundle conveying operation is more stable, and the collapse phenomenon during the conveying process is avoided, the weight uniformity of cigarettes is improved, and the occurrence of waste products such as empty cigarettes and uneven weight is reduced; in addition, a super-hard alloy wear-resistant layer is provided on the side walls of the guide body on both sides of the channel below the spacer, which effectively reduces the friction resistance during the conveying of the tobacco bundle and further ensures the smooth and stable conveying of the tobacco. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a stereogram of the utility model.

[0021] Figure 2 It is a three-dimensional exploded view of the utility model.

[0022] Figure 3 It is a cross-sectional view of the utility model.

[0023] Figure 4 This is a disassembled diagram of the spacer of the utility model.

[0024] Figure 5 It is a cross-sectional view of the spacer of the utility model.

[0025] Figure 6 It is a plan view of the alloy guide bar of the utility model.

[0026] Numbers in the figure: 1 guide rail body; 2 spacer body; 3 alloy guide bar; 4 support surface; 5 super-hard alloy wear-resistant layer; 6 conveying channel; 7 wire suction groove; 8 annular groove; 9 mounting hole; 10 spacer body. DETAILED DESCRIPTION

[0027] The following is a detailed description of an embodiment of the utility model. This embodiment is implemented on the premise of the technical solution of the utility model, and a detailed implementation method and a specific operation process are given, but the protection scope of the utility model is not limited to the following embodiment.

[0028] See also Figures 1 to 6This embodiment discloses a double-channel tobacco suction guide for a cigarette making machine, comprising three guide bodies 1 arranged at intervals, wherein adjacent guide bodies 1 are separated by a plurality of spacers 2 to form channels, wherein the three guide bodies 1 and the plurality of spacers 2 are connected together, wherein alloy guide bars 3 are respectively arranged in the two channels between the three guide bodies 1, wherein the alloy guide bars 3 are fixedly connected to the plurality of spacers 2 in the corresponding channels, wherein the bottom end surface of the alloy guide bars 3 is a support surface 4 extending horizontally along the channels, wherein a layer of super-hard alloy wear-resistant layer 5 is arranged on the side wall of the guide body 1 located below the spacers 2 on both sides of the channels, wherein the tobacco suction belt is located in the channels and supported by the support surface 4 of the alloy guide bars 3 above, and the super-hard alloy wear-resistant layer 5 on both sides of the channels and the tobacco suction belt together form a conveying channel 6 for tobacco to pass through. The super-hard alloy wear-resistant layer 5 on both sides of the channels are respectively provided with tobacco suction grooves 7 for the tobacco suction belt to pass through.

[0029] Among them, the super-hard alloy wear-resistant layer 5 is made of tungsten-cobalt alloy layer, and the opposite sides of the super-hard alloy wear-resistant layer 5 on both sides of the channel are polished surfaces. The side of the super-hard alloy wear-resistant layer 5 in contact with the tobacco is mirror-polished to minimize the friction resistance of the tobacco bundle.

[0030] The spacer 2 includes a spacer body and mounting ends at both ends of the spacer body. The spacer body and the mounting ends are both cylindrical structures and are coaxially arranged. The outer diameter of the mounting end is smaller than the outer diameter of the spacer body. The spacer body is respectively mounted on two adjacent guide rail bodies 1 through the mounting ends at both ends, and the alloy guide bar 3 is fixedly sleeved on the spacer body. The three guide rail bodies 1 and the spacer 2 are connected together by simultaneously passing the transverse screws through the center holes of the three guide rail bodies 1 and the two spacers 2 located in the two channels and tightening the nuts.

[0031] An annular groove 8 is formed in the middle section of the outer circumferential surface of the spacer body, and a mounting hole 9 is formed on the alloy guide bar 3. The alloy guide bar 3 is inserted into the annular groove 8 of the spacer body through the mounting hole 9. The spacer body 2 is composed of two spacer split bodies 10 coaxially plugged in along the axial direction, and an annular groove 8 is formed between the two spacer split bodies 10. The spacer body 2 is designed as a split structure, which can facilitate the installation of the alloy guide bar 3, the spacer body 2 and the guide rail body 1. The annular groove 8 is formed between the two spacer split bodies 10, which is convenient for installing the alloy guide bar 3 in the annular groove 8 of the spacer body 2.

[0032] The present embodiment provides a double-channel suction guide rail for a cigarette making machine, which achieves full support for the entire section of the suction belt by arranging an alloy guide bar 3 in the channel to replace the original porcelain beads, ensures the flatness of the suction belt, and cooperates with the super-hard alloy wear-resistant layer 5 on both sides of the channel to effectively reduce the friction resistance of the tobacco bundle in operation, thereby ensuring the uniformity of the tobacco bundle adsorbed by the suction belt and the stability of the tobacco bundle in operation, and avoiding collapse during transportation. The alloy guide bar 3 is used to replace the original porcelain beads, which reduces wind resistance and reduces the impact on the transmission of negative pressure suction, and the alloy guide bar 3 is not easy to accumulate scale. In addition, the alloy guide bar 3 is used to replace the original porcelain beads, which can play a good wear-resistant role. Even if the alloy guide bar 3 is worn, it is also an overall wear, and the degree of wear is uniform. Even if there is a certain degree of wear, the flatness of the suction belt can be guaranteed.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A double-channel suction guide rail for a cigarette making machine, comprising three guide rail bodies arranged at intervals, wherein adjacent guide rail bodies are separated by a plurality of spacers to form channels, and the three guide rail bodies and the plurality of spacers are connected together, characterized in that: Alloy guide bars are respectively arranged in the two channels between the three guide rail bodies. The alloy guide bars are fixedly connected to a plurality of spacers in the corresponding channels. The bottom end surface of the alloy guide bar is a supporting surface extending horizontally along the channel. A super-hard alloy wear-resistant layer is arranged on the side walls of the guide rail bodies below the spacers on both sides of the channel. The suction belt is located in the channel and supported by the supporting surface of the alloy guide bar above. The super-hard alloy wear-resistant layers on both sides of the channel and the suction belt together form a conveying channel for tobacco to pass through.

2. A double-channel suction guide rail for a cigarette making machine as claimed in claim 1, characterized in that: The spacer body includes a spacer body and mounting ends located at both ends of the spacer body. The spacer body and the mounting ends are both cylindrical structures and are coaxially arranged. The outer diameter of the mounting end is smaller than the outer diameter of the spacer body. The spacer body is respectively installed with two adjacent guide rail bodies through the mounting ends at both ends, and the alloy guide bar is fixedly sleeved on the spacer body.

3. A double-channel suction guide rail for a cigarette making machine as claimed in claim 2, characterized in that: An annular groove is formed in the middle section of the outer circumferential surface of the spacing body, and a mounting hole is formed on the alloy guide bar. The alloy guide bar is sleeved in the annular groove of the spacing body through the mounting hole.

4. A double-channel suction guide rail for a cigarette making machine as claimed in claim 3, characterized in that: The spacer is composed of two spacer parts that are coaxially plugged in and matched along the axial direction, and the annular groove is formed between the two spacer parts.

5. A double-channel suction guide rail for a cigarette making machine as claimed in claim 2, characterized in that: The three guide rail bodies and the spacer bodies are connected together by simultaneously passing a transverse screw through the central holes of the three guide rail bodies and the two spacer bodies located in the two channels and tightening the nut.

6. A double-channel suction guide rail for a cigarette making machine as claimed in claim 1, characterized in that: The superhard alloy wear-resistant layer is a tungsten-cobalt alloy layer.

7. A double-channel suction guide rail for a cigarette making machine as claimed in claim 1, characterized in that: The opposite sides of the superhard alloy wear-resistant layers on both sides of the channel are polished surfaces.

8. A double-channel suction guide rail for a cigarette making machine as claimed in claim 1, characterized in that: The superhard alloy wear-resistant layers on both sides of the channel are respectively provided with wire suction grooves for the wire suction to pass through.

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