A suction device for a trademark paper of a tobacco packaging machine

Abstract

The application discloses a kind of for tobacco packaging machine trademark paper suction device, it includes suction distribution seat (1), communicating pipe (2), air cylinder (5), telescopic rod (6), pressing plate (7), transmission (8), it is characterized by: communicating pipe is equipped on suction distribution seat, first suction nozzle (21), second suction nozzle (22) and third suction nozzle (23) are connected on communicating pipe, the line of center point of first suction nozzle, second suction nozzle, third suction nozzle is formed into isosceles triangle, two ends of the first pipe section of communicating pipe are also provided with cleaning hole (24), fine tooth screw (3) is connected on cleaning hole, suction distribution seat upper end left and right sides symmetrical fixed connection has air cylinder, the other end of telescopic rod on air cylinder is fixedly connected with pressing plate, the bottom of suction distribution seat is connected with transmission.The application is better separated, adsorbed, fixed, transported by the design of suction nozzle arrangement and structure to trademark paper, and adsorption, conveying stability is better.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tobacco product manufacturing, in particular to a kind of for tobacco packing machine trademark paper suction device. BACKGROUND

[0002] In the cigarette production process, due to the trademark paper exists paper stack adhesion, trademark paper deformation phenomenon, leading to trademark paper suction device of packing machine trademark paper suction instability causes paper jam phenomenon, simultaneously trademark paper when placed, it may because the negative pressure of suction nozzle mouth disappears not thoroughly or not in time, leading to trademark paper is taken away or the possibility of being thrown, therefore cause serious cost waste, reduce the production efficiency of packing machine.Currently, the preventive measure is to manually twist and rub the adhesion trademark paper stack and flatten the deformed trademark paper, which greatly increases the labor intensity of the operator, and at the same time, the trademark paper suction is not in place, and the trademark paper suction instability still exists, which causes paper jam phenomenon.

[0003] The existing trademark paper automatic suction device has high procurement cost, which is not conducive to the promotion of cost reduction in tobacco industry. In recent years, with the increasing requirement of energy saving and consumption reduction of enterprises, tobacco industry personnel must fundamentally solve this problem, therefore, it is urgent to design a suction equipment which can meet the needs of trademark paper automatic suction, has strong suction stability, simple structure and low cost. SUMMARY

[0004] The present application aims to overcome the shortcomings in the prior art, and provides a kind of for tobacco packing machine trademark paper suction device, which is better separated, adsorbed, fixed and transported by the design of suction nozzle arrangement and structure, and has better adsorption and transportation stability; when trademark paper is placed, the cylinder drives the pressing plate, which can assist in extruding trademark paper when placed in the suction device, to avoid the possibility of trademark paper being taken away or thrown due to the incomplete or untimely disappearance of negative pressure in the suction nozzle mouth.

[0005] In order to achieve the above purpose, the technical scheme adopted by the present application is:

[0006] A kind of for tobacco packaging machine trademark paper suction device, it includes suction distribution seat (1), communication pipe (2), fine tooth screw (3), suction connecting block (4), air cylinder (5), telescopic rod (6), pressing plate (7), transmission (8), it is characterized in that: the boss (11) is equipped on suction distribution seat, the boss is connected with communication pipe, the first suction nozzle (21), second suction nozzle (22) and third suction nozzle (23) are connected on communication pipe, the center point of first suction nozzle, second suction nozzle, third suction nozzle is connected to form isosceles triangle, the first pipe section of communication pipe is provided with cleaning hole (24) on both ends, fine tooth screw is connected on cleaning hole, the axis of first pipe section is collinear with the bottom of isosceles triangle, suction distribution seat right side is provided with suction connecting block, suction connecting block is connected with negative pressure fan by pipeline, suction distribution seat is provided with suction passage, suction distribution seat upper end left and right sides are symmetrically fixedly connected with air cylinder, the other end of telescopic rod on air cylinder is fixedly connected with pressing plate, the extension direction of pressing plate is identical with the extension direction of first pipe section, the bottom of suction distribution seat is connected with transmission, and transmission is used to drive suction distribution seat to move in the up-down direction and left-right direction.

[0007] Further, the center point of the first suction nozzle (21), second suction nozzle (22) and third suction nozzle (23) is connected to form isosceles triangle, the distance between second suction nozzle and third suction nozzle is based on the distance of trademark paper tail two sides angle, for trademark paper tail two sides angle suction, the first suction nozzle is based on the middle of trademark paper head, for trademark paper head suction, trademark paper plays a better separation, adsorption, fixation, conveying effect.

[0008] Further, when trademark paper is placed, air cylinder is started to drive pressing plate, and the pressing plate can assist extruding trademark paper when the suction device is placed, to avoid the possibility that trademark paper is taken away or thrown due to the fact that negative pressure of suction nozzle is not completely or not timely disappeared when trademark paper is placed.

[0009] Further, the material of the suction connecting block (4) is aluminum, and the cleaning hole (24) is arranged on both ends of the first pipe section of the communication pipe (2), the fine tooth screw (3) on the cleaning hole is taken out during maintenance, to facilitate compressed air to clean and maintain the suction device.

[0010] Further, the first suction nozzle (21), the second suction nozzle (22) and / or the third suction nozzle (23) comprise a suction nozzle body (25), an upper end cover (26), a connecting section (27), a first cavity (28), an equalizing cavity (29), a first air suction hole (31), a second air suction hole (32), the upper end of the suction nozzle body is connected with the upper end cover, the lower end is provided with the connecting section, the connecting section has an internal thread or an external thread, facilitating installation / dismounting; the suction nozzle body is internally provided with the first cavity, the equalizing cavity and the second air suction hole, the second air suction hole is arranged at the center of the suction nozzle body, a plurality of equalizing cavities are arranged in a circumferential distribution manner at the periphery of the second air suction hole, the equalizing cavities are connected in communication with the first cavity through passages, the upper end cover is provided with a plurality of first air suction holes, the first air suction holes are arranged in a circumferential distribution manner, and the plurality of first air suction holes (31) and the plurality of equalizing cavities (29) are arranged in one-to-one correspondence; the equalizing cavities are internally provided with equalizing sheets (30), and the equalizing sheets are provided with a plurality of arrayed pressure distribution holes (35).

[0011] Further, the second air suction hole (32) is in an arc shape gradually tapering and expanding, the minimum diameter of the second air suction hole is greater than the diameter of the first air suction hole (31), and the lower end of the second air suction hole is sequentially provided with a straight hole (33) and a tapering section (34), the minimum diameter (d1) of the tapering section is equal to the minimum diameter of the second air suction hole, the minimum diameter (d1) of the tapering section is smaller than the internal hole diameter of the connecting section (27), the diameter of the equalizing cavity (29) is 1.5-2.5 times the diameter of the first air suction hole, and the minimum diameter of the second air suction hole is 1.7-2.8 times the diameter of the first air suction hole.

[0012] The tobacco packaging machine trademark paper suction device has the following beneficial technical effects:

[0013] (1) The first suction nozzle, the second suction nozzle and the third suction nozzle are designed, and the center points of the first suction nozzle, the second suction nozzle and the third suction nozzle are connected in a line in an isosceles triangle layout, compared with the suction nozzle arrangement of the prior art, the center distance between the second suction nozzle and the third suction nozzle is based on the distance between the two side corners of the tail of the trademark paper, and is used for suction of the two side corners of the tail of the trademark paper, and the first suction nozzle is based on the middle of the head of the trademark paper, and is used for suction of the head of the trademark paper, thereby better separating, adsorbing, fixing and conveying the trademark paper.

[0014] (2) The suction nozzle structure is designed, and compared with the existing suction nozzle structure, the stability of the suction nozzle in adsorbing, fixing and conveying the trademark paper can be improved.

[0015] (3) When the trademark paper is placed, the air cylinder is started to drive the pressing plate, the pressing plate can assist in extruding the trademark paper when the suction device is placed, and the possibility that the trademark paper is taken away or thrown due to incomplete or untimely disappearance of negative pressure of the suction nozzle port when the trademark paper is placed can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Structure diagram of the tobacco packaging machine trademark paper suction device of the present application;

[0017] Figure 2 Structure diagram of the suction nozzle of the present application.

[0018] In the figure: suction distribution seat 1, communication pipe 2, fine tooth screw 3, suction connecting block 4, air cylinder 5, telescopic rod 6, pressing plate 7, transmission device 8, boss 11, first suction nozzle 21, second suction nozzle 22, third suction nozzle 23, cleaning hole 24, suction nozzle body 25, upper end cover 26, connecting section 27, first chamber 28, pressure equalizing chamber 29, pressure equalizing piece 30, first suction hole 31, second suction hole 32, straight hole 33, tapered section 34, pressure dividing hole 35. Embodiment

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] The present application will be further described in detail below in combination with the drawings.

[0021] As Figures 1-2 shown, a tobacco packaging machine trademark paper suction device includes a suction distribution seat 1, a communication pipe 2, a fine tooth screw 3, a connecting block 4, an air cylinder 5, a telescopic rod 6, a pressing plate 7, a transmission device 8, characterized in that: the suction distribution seat 1 is provided with a boss 11, the boss 11 is connected with the communication pipe 2, the communication pipe 2 is connected with a first suction nozzle 21, a second suction nozzle 22 and a third suction nozzle 23, the center points of the first suction nozzle 21, the second suction nozzle 22 and the third suction nozzle 23 are connected to form an isosceles triangle, the first pipe section of the communication pipe 21 is further provided with a cleaning hole 24 at both ends, the cleaning hole 24 is connected with the fine tooth screw 3, the axis of the first pipe section is collinear with the base of the isosceles triangle, the right side of the suction distribution seat 1 is provided with a suction connecting block 4, the suction connecting block 4 is connected with a negative pressure fan through a pipeline, the suction distribution seat 1 is provided with a suction passage, the upper end of the suction distribution seat 1 is fixedly connected with the air cylinder 5 on both sides symmetrically, the other end of the telescopic rod 7 of the air cylinder 5 is fixedly connected with the pressing plate 6, the extension direction of the pressing plate 6 is consistent with the extension direction of the first pipe section, the bottom of the suction distribution seat 1 is connected with the transmission device 8, the transmission device 8 is used to drive the suction distribution seat 1 to move in the up-down direction and the left-right direction.

[0022] The center points of the first suction nozzle 21, the second suction nozzle 22 and the third suction nozzle 23 are connected in an isosceles triangle layout, the distance between the second suction nozzle 22 and the third suction nozzle 23 is based on the distance between the two corners of the tail end of the trademark paper, and the second suction nozzle 22 and the third suction nozzle 23 are used for sucking the two corners of the tail end of the trademark paper, and the first suction nozzle 21 is based on the middle of the head end of the trademark paper and is used for sucking the head end of the trademark paper, so that the trademark paper is better separated, adsorbed, fixed and conveyed.

[0023] The suction connection block 4 is made of aluminum material, and the two ends of the first pipe section of the communication pipe 2 are provided with cleaning holes 24.

[0024] Further, as shown in Figure 2 The first suction nozzle 21, the second suction nozzle 22 and / or the third suction nozzle 23 include a suction nozzle body 25, an upper end cover 26, a connecting section 27, a first chamber 28, an equalizing chamber 29, a first air inlet hole 31 and a second air inlet hole 32, the upper end of the suction nozzle body 25 is connected with the upper end cover 26, the lower end is provided with the connecting section 27, the connecting section 27 has an internal thread or an external thread, and is convenient for installation / dismounting, the suction nozzle body 25 is internally provided with the first chamber 28, the equalizing chamber 29 and the second air inlet hole 32, the second air inlet hole 32 is arranged at the center of the suction nozzle body 25, a plurality of equalizing chambers 29 are arranged in a circumferential direction around the second air inlet hole 32, the equalizing chambers 29 are connected with the first chamber 28 through passages, the upper end cover 26 is provided with a plurality of first air inlet holes 31 arranged in a circumferential direction, and the plurality of first air inlet holes 31 are arranged in one-to-one correspondence with the plurality of equalizing chambers 29; the equalizing chamber 29 is internally provided with an equalizing piece 30, and the equalizing piece 30 is provided with a plurality of arrayed pressure distribution holes 35.

[0025] The second air inlet hole 32 is in an arc shape gradually tapering and expanding, the minimum diameter of the second air inlet hole 32 is greater than the diameter of the first air inlet hole 31 (specifically, the minimum diameter of the second air inlet hole 32 is 2.0-2.5 times the diameter of the first air inlet hole 31), and the lower end of the second air inlet hole 32 is sequentially provided with a straight hole 33 and a tapering section 34, the minimum diameter d1 of the tapering section 34 is equal to the minimum diameter of the second air inlet hole 32, the minimum diameter d1 of the tapering section 34 is smaller than the internal hole diameter of the connecting section 27, and the diameter of the equalizing chamber 29 is 1.5-2.5 times the diameter of the first air inlet hole 31.

[0026] The present application can improve the stability of the suction nozzle in adsorbing, fixing and conveying the trademark paper by the design of the suction nozzle structure.

[0027] The boss 11 is in a "T" shape, the suction distribution seat 1 is symmetrically connected with air cylinders 5 on the left and right sides of the upper end through welding or screw thread fixing, the pressing plate 6 is an elongated rectangular plate, and the bottom of the suction distribution seat 1 is fixedly connected with a transmission device 8 through welding or screw thread fixing.

[0028] The working principle / process of the tobacco packaging machine trademark paper suction device is as follows:

[0029] When the suction device touches the trademark paper through the up-down and left-right movement of the transmission device 8, the negative pressure device / negative pressure fan (not shown) is opened, and the first suction nozzle 21, the second suction nozzle 22 and the third suction nozzle 23 can simultaneously fix and adsorb the trademark paper by using negative pressure; when the trademark paper is placed, the negative pressure device is closed, the air cylinder 5 starts to work, the telescopic rod 7 is extended until the pressing plate 6 presses the trademark paper, and at the same time, the transmission device 8 drives the first suction nozzle 21, the second suction nozzle 22 and the third suction nozzle 23 to leave the trademark paper; after the first suction nozzle 21, the second suction nozzle 22 and the third suction nozzle 23 leave the trademark paper, the air cylinder 5 resets the telescopic rod 7, and thus the process of placing the trademark paper is completed.

[0030] The tobacco packaging machine trademark paper suction device has the following beneficial technical effects:

[0031] (1) By designing the first suction nozzle, the second suction nozzle and the third suction nozzle, the center points of the first suction nozzle 21, the second suction nozzle 22 and the third suction nozzle 23 are arranged in an isosceles triangle, compared with the existing suction nozzle arrangement, the center distance of the second suction nozzle and the third suction nozzle is based on the distance between the two corners of the trademark paper tail, and is used for suction of the two corners of the trademark paper tail, and the first suction nozzle 21 is based on the middle of the trademark paper head, and is used for suction of the trademark paper head, which can better separate, adsorb, fix and convey the trademark paper.

[0032] (2) Compared with the existing suction nozzle structure, the stability of the suction nozzle in adsorbing, fixing and conveying the trademark paper can be improved by the design of the suction nozzle structure.

[0033] (3) When the trademark paper is placed, the air cylinder drives the pressing plate, and the pressing plate can assist in extruding the trademark paper when the suction device is placed, so as to avoid the possibility that the trademark paper is taken away or thrown due to incomplete or untimely disappearance of the negative pressure of the suction nozzle.

[0034] It should be noted that all the directional indications in the embodiments of the present application (such as up, down, left, right, front, back, horizontal, vertical, etc.) are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directional indications also change accordingly, the "connection" can be direct connection or indirect connection, and the "setting", "setting", "setting" can be direct setting or indirect setting.

[0035] The above embodiments are illustrative of the present application and are not limiting of the present application. It is to be understood that variations, modifications, substitutions and changes can be made without departing from the spirit and scope of the present application, which are defined by the appended claims and their equivalents.

Claims

1. A suction device for trademark paper of a tobacco packaging machine, comprising a suction distribution seat (1), a communication pipe (2), a fine tooth screw (3), a suction connecting block (4), a gas cylinder (5), a telescopic rod (6), a pressing plate (7), a transmission device (8), characterized in that: The suction distribution seat is provided with a boss (11), and a communication pipe is communicated with the boss. The communication pipe is connected with a first suction nozzle (21), a second suction nozzle (22) and a third suction nozzle (23). The center points of the first suction nozzle, the second suction nozzle and the third suction nozzle are connected to form an isosceles triangle. The first pipe section of the communication pipe is further provided with a cleaning hole (24) at both ends. The cleaning hole is connected with a fine tooth screw. The axis of the first pipe section is collinear with the base of the isosceles triangle. The suction distribution seat is provided with a suction connecting block on the right side. The suction connecting block is connected with a negative pressure fan through a pipeline. The suction distribution seat is provided with a suction passage. The suction distribution seat is fixedly connected with air cylinders on the left and right sides of the upper end. The other end of the telescopic rod of the air cylinder is fixedly connected with a pressing plate. The extension direction of the pressing plate is consistent with the extension direction of the first pipe section. The bottom of the suction distribution seat is connected with a transmission device. The transmission device is used for driving the suction distribution seat to move in the up-down direction and the left-right direction. The first suction nozzle (21), the second suction nozzle (22) and / or the third suction nozzle (23) comprise a nozzle body (25), an upper end cover (26), a connecting section (27), a first cavity (28), an equalizing cavity (29), a first suction hole (31) and a second suction hole (32). The upper end of the nozzle body is connected with the upper end cover. The lower end is provided with the connecting section. The connecting section has internal threads or external threads, facilitating installation / dismounting. The nozzle body is provided with the first cavity, the equalizing cavity and the second suction hole. The second suction hole is arranged at the center of the nozzle body. The outer periphery of the second suction hole is provided with a plurality of equalizing cavities which are distributed in the circumferential direction. The equalizing cavities are communicated with the first cavity through passages. The upper end cover is provided with a plurality of first suction holes which are distributed in the circumferential direction. The plurality of first suction holes (31) and the plurality of equalizing cavities (29) are arranged one by one. The equalizing cavities are provided with equalizing sheets (30). The equalizing sheets are provided with a plurality of arrayed pressure distribution holes (35). The second suction hole (32) is in the shape of an arc which gradually shrinks and expands. The minimum diameter of the second suction hole is greater than the diameter of the first suction hole (31). The lower end of the second suction hole is sequentially provided with a straight hole (33) and a tapered section (34). The minimum diameter (d1) of the tapered section is equal to the minimum diameter of the second suction hole. The minimum diameter (d1) of the tapered section is smaller than the inner hole diameter of the connecting section (27). The diameter of the equalizing cavity (29) is 1.5-2.5 times the diameter of the first suction hole. The minimum diameter of the second suction hole is 1.7-2.8 times the diameter of the first suction hole.

2. A device for the suction of a tipping paper for a tobacco packaging machine as in claim 1, characterized in that, The center points of the first suction nozzle (21), the second suction nozzle (22) and the third suction nozzle (23) are connected to form an isosceles triangle. The distance between the second suction nozzle and the third suction nozzle is taken as the reference of the distance between the two corners of the tail part of the trademark paper, and is used for sucking the two corners of the tail part of the trademark paper. The first suction nozzle is taken as the reference of the middle part of the head part of the trademark paper, and is used for sucking the head part of the trademark paper. The trademark paper is better separated, adsorbed, fixed and conveyed.

3. A device for the suction of a tipping paper for a tobacco packaging machine as claimed in claim 2, characterized in that, When the trademark paper is placed, the air cylinder is started to drive the pressing plate. The pressing plate can assist in extruding the trademark paper when the suction device is placed, so as to avoid the possibility that the trademark paper is taken away or thrown due to the fact that the negative pressure of the suction nozzle is not thoroughly or timely eliminated when the trademark paper is placed.

4. A device for the suction of a tipping paper for a tobacco packaging machine according to claim 2, characterized in that, The suction connecting block (4) is made of aluminum material, and the two ends of the first pipe section of the communicating pipe (2) are provided with cleaning holes (24). During maintenance, the fine toothed screw (3) on the cleaning hole is removed, and compressed air is used to clean and maintain the suction device.

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