Riving knife guide rail

By improving the design of the beveled section and countersunk mounting hole of the blade guide rail, the blockage problem at the connection between the blade guide rail and the suction ribbon guide rail in the cigarette machine was solved, thereby improving the equipment operating efficiency and product quality.

CN224038458UActive Publication Date: 2026-03-27CHONGQING CHINA TOBACCO IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The step and rounded bevel at the junction of the end of the split blade guide rail and the suction ribbon guide rail in the cigarette rolling machine cause the air chamber to become clogged, affecting the operating efficiency and quality of the equipment.

Method used

The design of the beveled sections of the outer and inner guide rails and the countersunk mounting holes ensures smooth and unobstructed flow. Improvements to the extensions of the outer and inner guide rails, combined with the countersunk mounting holes, prevent obstruction of tobacco cutting and conveying, and reduce blockages.

Benefits of technology

This reduces tobacco clogging, lowers frictional load, and ensures the stability of equipment operation and product quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224038458U_ABST
    Figure CN224038458U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of cigarette making machines, and particularly relates to a chopper guide rail which comprises a chopper outer guide rail and a chopper inner guide rail, the chopper outer guide rail comprises an outer guide rail body and an outer guide rail extending part, and a first beveling part, a second beveling part and a third beveling part are arranged on the outer guide rail extending part; the chopper inner guide rail comprises an inner guide rail body and an inner guide rail extension part; a fourth beveling part, a fifth beveling part and a sixth beveling part are arranged on the inner guide rail extension part; and the outer guide rail body and the inner guide rail body are respectively provided with two mounting holes. The chopper outer guide rail and the chopper inner guide rail are structurally improved, steps between the chopper outer guide rail and the chopper inner guide rail and a tobacco suction belt guide rail are made up, the outer guide rail extending part and the inner guide rail extending part are improved, the design of countersunk mounting holes is combined, the overall structure is smooth, tobacco cutting and conveying are not hindered, and the service life of the chopper outer guide rail and the chopper inner guide rail is prolonged. Cut tobacco blockage is reduced, motor tripping caused by friction of stacked cut tobacco on the leveling disc and load increase is avoided, and operation efficiency and product quality are guaranteed.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to cigarette making machine technical field, concretely relates to a split blade guide. BACKGROUND

[0002] The split blade guide controls the movement direction of the tobacco tape in the cigarette making machine, and uses the split blade to trim the tobacco strand transmitted by the air chamber guide into a required tobacco strand. In actual production, no matter what type of cigarette making machine, the problem of frequent tobacco blockage in the air chamber during equipment operation exists, and for different types of cigarette making machines, the problem is only the degree or frequency of tobacco blockage. Therefore, various types of cigarette making machines are analyzed, and it is found that the reason for frequent tobacco blockage in the air chamber may be that there is a step at the junction of the end of the split blade guide and the tobacco tape guide, and in order to ensure the smoothness of the split blade guide, a circular arc guide angle is arranged at the corresponding side of the split blade guide, at the same time, the fastening screw of the split blade guide is an internal hexagonal cylindrical head screw, and the cylindrical part protrudes from the guide. The tobacco cut by the split blade is easily blocked or accumulated at these positions, resulting in tobacco blockage shutdown or increased motor load due to friction on the flat gauge, and alarm shutdown, affecting quality and efficiency. SUMMARY

[0003] The utility model aims at providing a split blade guide to solve the problems in the background.

[0004] To achieve the above-mentioned purpose, the application is realized by the following technical scheme:

[0005] A split blade guide, comprising a split blade outer guide and a split blade inner guide, the split blade outer guide is installed in cooperation with the split blade inner guide;

[0006] The split blade outer guide comprises an outer guide body and an outer guide extension part arranged on the right upper side of the outer guide body, the left side surface of the outer guide extension part is a plane, the right side surface of the outer guide extension part is provided with a first beveling part on the upper side, the lower end surface of the outer guide extension part is provided with a second beveling part at the connection position with the left side surface, and the outer side of the lower end surface of the outer guide extension part is provided with a third beveling part;

[0007] The split blade inner guide comprises an inner guide body and an inner guide extension part arranged on the left upper side of the inner guide body, the right side surface of the inner guide extension part is a plane, the left side surface of the inner guide extension part is provided with a fourth beveling part on the upper side, the lower end of the inner guide extension part is provided with a fifth beveling part at the connection position with the right side surface, and the outer side of the lower end surface of the inner guide extension part is provided with a sixth beveling part;

[0008] Two mounting holes are arranged on the outer guide body and the inner guide body respectively.

[0009] Further, the outer guide rail body and the inner guide rail body have the same structure, and the thicknesses of the outer guide rail body and the inner guide rail body are the same as the suction tape guide rail of the cigarette making machine in the same plane, and the outer side corner of the upper end surface of the corresponding end of the outer guide rail body and the inner guide rail body is not provided with a guide angle.

[0010] Further, the outer guide rail extension and the inner guide rail extension have the same structure, and the width of the outer end surface is smaller than the width of the lower end surface.

[0011] Further, the included angle between the first beveling part and the right side surface of the outer guide rail extension and the included angle between the fourth beveling part and the left side surface of the inner guide rail extension are the same, and are in the range of 10-15 degrees.

[0012] Further, the included angle between the second beveling part and the right side surface of the outer guide rail extension and the included angle between the fifth beveling part and the left side surface of the inner guide rail extension are the same, and are 30±2 degrees.

[0013] Further, the included angle between the third beveling part and the extension line of the lower end surface of the outer guide rail extension and the included angle between the sixth beveling part and the extension line of the lower end surface of the inner guide rail extension are the same, and are 15±2 degrees.

[0014] Further, the mounting holes are countersunk holes, and the outer side of the countersunk hole is in the axial section of an isosceles trapezoid.

[0015] Further, the right side edge of the outer guide rail of the cleaver and the left side edge of the inner guide rail of the cleaver are not provided with a guide angle.

[0016] The beneficial effects of the utility model are:

[0017] The utility model improves the structure of the outer guide rail of the cleaver and the inner guide rail of the cleaver, fills the step between the suction tape guide rail, improves the outer guide rail extension and the inner guide rail extension, and combines the design of the countersunk mounting hole, so that the overall structure is smooth, does not hinder the tobacco cutting and conveying, reduces the tobacco blockage, avoids the friction of the accumulated tobacco, reduces the load, avoids the tripping of the motor, guarantees the operation efficiency and product quality. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the outer guide rail shaft side view of the utility model cleaver;

[0019] Figure 2 It is another direction shaft side view of the utility model cleaver outer guide rail;

[0020] Figure 3 It is the front view of the utility model cleaver outer guide rail;

[0021] Figure 4 It is the plan view of the utility model cleaver outer guide rail;

[0022] Figure 5 is a side view of the inner guide rail of the cleaver of the utility model;

[0023] Figure 6 is another direction side view of the inner guide rail of the cleaver of the utility model;

[0024] Figure 7 is a front view of the inner guide rail of the cleaver of the utility model;

[0025] Figure 8 is a top view of the inner guide rail of the cleaver of the utility model.

[0026] Explanation of reference signs:

[0027] 1, cleaver outer guide rail; 2, cleaver inner guide rail; 3, mounting hole; 11, outer guide rail body; 12, outer guide rail extension; 13, second bevel; 14, right side; 15, first bevel; 16, left side; 17, third bevel; 18, outer end face; 21, inner guide rail body; 22, inner guide rail extension; 23, fifth bevel; 24, left side; 25, fourth bevel; 26, sixth bevel; 27, right side; 28, outer end face. DETAILED DESCRIPTION

[0028] The technical scheme of the utility model will be described in detail below in combination with the drawings, and the following examples are only exemplary and can only be used to explain and illustrate the technical scheme of the utility model, but cannot be interpreted as a limitation on the technical scheme of the utility model.

[0029] The cleaver outer guide rail and the cleaver inner guide rail involved in the present application have the same installation position as the cleaver outer guide rail and the cleaver inner guide rail used on the existing cigarette making machine, the technical scheme is only to improve the structure of the cleaver outer guide rail and the cleaver inner guide rail to reduce the blocking of the tobacco, and the same as the prior art, the cleaver outer guide rail and the cleaver inner guide rail must be used in pairs, and are symmetrically arranged with the center line of the middle passage as the symmetry, and the improvement of the structure does not affect the use of the function, in this case, the person skilled in the art knows how to install and the structure of the main body.

[0030] Because the cleaver outer guide rail and the cleaver inner guide rail are symmetrically arranged, they cannot be interchanged, which is a fact that the person skilled in the art is aware of, therefore, in the following description of the present application, the cleaver outer guide rail and the cleaver inner guide rail are described respectively, on the other hand, the material of the cleaver outer guide rail and the cleaver inner guide rail involved in the present application is the same as the material used at present, which is basically 304 stainless steel material, of course, other materials can also be used if they meet the requirements of the relevant aspects, and the present application is not limited.

[0031] On the other hand, the direction and the use of the upper and lower in the technical scheme of the present application are not a limitation on the technical scheme of the present application, but are only used to describe the technical scheme.

[0032] As Figures 1 to 8 shown, the present application provides a cleaver guide rail, comprising a cleaver outer guide rail 1 and a cleaver inner guide rail 2, the cleaver outer guide rail 1 is installed in cooperation with the cleaver inner guide rail 2, see the previous paragraph for details.

[0033] As Figures 1 to 4 shown, the cleaver outer guide rail 1 comprises an outer guide rail body 11 and an outer guide rail extension 12 arranged on the right upper side of the outer guide rail body, in the present application, the outer guide rail body 11 is generally cuboid in structure, and the specific size of the outer guide rail body is not specifically required, so there are many types of cigarette making machines, and the size of the cleaver guide rail is different for different machine types, especially in terms of the length, width and thickness of the guide rail body. In the technical solution of the present application, it is particularly emphasized that the thickness of the outer guide rail body should be in the same plane as the suction tape guide rail of the cooperating cigarette making machine, and the outer side of the end surface opposite to the suction tape guide rail cannot be provided with a guide angle, which is one of the improvements of the present technical solution, because the cleaver guide rail body and the suction tape guide rail of all existing cigarette making machines have a step and the outer side of the opposite end is provided with a guide angle.

[0034] In the technical solution of the present application, two mounting holes 3 are arranged on the outer guide rail body 11, the number is the same as that of the prior art, the axial section of the mounting hole of the present application is composed of two parts, one part is rectangular and the other part is isosceles trapezoidal. This mounting hole structure forms a countersunk hole, so that the head of the mounting screw will not protrude from the outer surface of the outer guide rail body, avoiding scratching the tobacco.

[0035] In the present application, the left side surface 16 of the outer guide rail extension 12 is a plane, the upper side of the right side surface 14 of the outer guide rail extension 12 is provided with a first bevel 15, the lower end surface of the outer guide rail extension is provided with a second bevel 13 at the connection with the left side surface, and the outer side of the lower end surface of the outer guide rail extension is provided with a third bevel 17; in other embodiments of the present application, a bevel from bottom to top is further arranged on the right side surface of the outer guide rail extension near the upper end surface, which is used to avoid the accumulation of cut tobacco at this position.

[0036] As Figures 4 to 8As shown, the inner guide rail 2 of the cleaver includes an inner guide rail body 21 and an inner guide rail extension 22 arranged at the upper left side of the inner guide rail body. The structure of the inner guide rail of the present application is basically the same as that of the outer guide rail of the cleaver, and the difference is only the position of the inner guide rail extension. The rest can be referred to the outer guide rail of the cleaver. The right side surface 27 of the inner guide rail extension 22 is a plane, the upper side of the left side surface 24 of the inner guide rail extension is provided with a fourth bevel 25, the lower end of the inner guide rail extension is provided with a fifth bevel 23 at the connection with the right side surface, and the outer side of the lower end surface of the inner guide rail extension is provided with a sixth bevel 26. Similarly, a bevel from bottom to top is also arranged on the left side surface of the inner guide rail extension close to the upper end surface, for avoiding the retention of cut tobacco at this position.

[0037] In the technical solution of the present application, two mounting holes 3 are arranged on the inner guide rail body, and the number is the same as that of the prior art. The axial section of the mounting hole of the present application is composed of two parts, one part is rectangular, and the other part is isosceles trapezoidal. This mounting hole structure forms a countersunk hole, so that the head of the mounting screw does not protrude from the outer surface of the inner guide rail body, avoiding scratching the tobacco.

[0038] In the present application, the structure of the outer guide rail body is the same as that of the inner guide rail body, and the thicknesses of the outer guide rail body and the inner guide rail body are the same as those of the tobacco belt guide rail of the cigarette making machine in the same plane, and the outer corner of the upper end surface of the corresponding end of the outer guide rail body and the inner guide rail body is not provided with a guide angle.

[0039] In the present application, the structure of the outer guide rail extension is the same as that of the inner guide rail extension, and the width of the outer end surface is less than that of the lower end surface.

[0040] In the present application, the included angle between the first bevel and the right side surface of the outer guide rail extension, and the included angle between the fourth bevel and the left side surface of the inner guide rail extension are the same, and are within the range of 10-15 degrees.

[0041] In the present application, the included angle between the second bevel and the right side surface of the outer guide rail extension, and the included angle between the fifth bevel and the left side surface of the inner guide rail extension are the same, and are 30±2 degrees.

[0042] In the present application, the included angle between the third bevel and the extension line of the lower end surface of the outer guide rail extension, and the included angle between the sixth bevel and the extension line of the lower end surface of the inner guide rail extension are the same, and are 15±2 degrees.

[0043] In the present application, the right side edge of the outer guide rail of the cleaver and the left side edge of the inner guide rail of the cleaver are not provided with a guide angle.

[0044] The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A split guide rail, comprising a split outer guide rail and a split inner guide rail, the split outer guide rail and the split inner guide rail being installed in cooperation, characterized in that, the split outer guide rail comprises an outer guide rail body and an outer guide rail extension provided on the right upper side of the outer guide rail body, the left side surface of the outer guide rail extension is a plane, the upper side of the right side surface of the outer guide rail extension is provided with a first bevel, the junction of the lower end surface and the left side surface of the outer guide rail extension is provided with a second bevel, and the outer side of the lower end surface of the outer guide rail extension is provided with a third bevel; the split inner guide rail comprises an inner guide rail body and an inner guide rail extension provided on the left upper side of the inner guide rail body, the right side surface of the inner guide rail extension is a plane, the upper side of the left side surface of the inner guide rail extension is provided with a fourth bevel, the junction of the lower end and the right side surface of the inner guide rail extension is provided with a fifth bevel, and the outer side of the lower end surface of the inner guide rail extension is provided with a sixth bevel; two mounting holes are respectively provided on the outer guide rail body and the inner guide rail body.

2. The wedge guide of claim 1, wherein, The outer guide rail body and the inner guide rail body have the same structure, and the thicknesses thereof are the same as that of the tobacco tape guide rail of the cooperating cigarette making machine in the same plane, and the outer side corner of the upper end surface of the corresponding end of the outer guide rail body and the inner guide rail body is not provided with a guide angle.

3. The wedge guide of claim 1, wherein, The outer end surface of the outer guide rail extension and the outer end surface of the inner guide rail extension have the same structure, and the width of the outer end surface is smaller than that of the lower end surface.

4. The wedge guide of claim 1, wherein, The included angle between the first bevel and the right side surface of the outer guide rail extension and the included angle between the fourth bevel and the left side surface of the inner guide rail extension are the same, and are within the range of 10-15 degrees.

5. The wedge guide of claim 1, wherein, The included angle between the second bevel and the right side surface of the outer guide rail extension and the included angle between the fifth bevel and the left side surface of the inner guide rail extension are the same, and are 30±2 degrees.

6. The wedge guide of claim 1, wherein, The included angle between the third bevel and the extension line of the lower end surface of the outer guide rail extension and the included angle between the sixth bevel and the extension line of the lower end surface of the inner guide rail extension are the same, and are 15±2 degrees.

7. The wedge guide of claim 1, wherein, The mounting holes are countersunk holes, and the outer side of the countersunk hole is an isosceles trapezoidal axial section.

8. The wedge guide of claim 1, wherein, The right side edge of the split outer guide rail and the left side edge of the split inner guide rail are not provided with a guide angle.