Filter tip assembling machine and assembling connector for connecting rubber roller and transmission shaft
By designing the male and female joints of hollow structures in the filter connection installation machine, using the one-way valve assembly and oil seal structure, the problem of air flow conduction into the rubber roller is solved, and the convenience of the rubber roller and the filter cigarette support is improved. glue quality.
Patent Information
- Application Number
- CN202420833345.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-04-22
AI Technical Summary
In the existing filter connection and installation machine, the design of air flow conduction into the rubber roller inside the transmission shaft is difficult to ensure the convenient assembly and disassembly of the rubber roller, and it also affects the temperature control of the glue and affects the glue quality of the filter cigarette stick.
Design an assembly joint including a male joint and a female joint, through a coupling with a hollow structure, the air flow is allowed to enter the cooling channel of the rubber roller through the one-way valve assembly through the one-way valve assembly, and the rubber roller is realized by using a limited position ring and an oil seal structure. Convenient connection and separation of the drive shaft.
It realizes convenient conduction of airflow into the rubber roller, reduces the heating of the rubber roller, improves the glue quality of the filter cigarette support and the convenience of the rubber roller assembly and disassembly.
Smart Images

Figure CN222303074U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of tobacco machinery, and in particular to a filter tip assembling machine and an assembly joint for connecting a rubber roller with a transmission shaft. Background Art
[0002] The driving of the glue control roller and the glue application roller of the filter tip connecting machine adopts an independent servo motor, which transmits power to the glue control roller and the glue application roller through parts such as transmission gears, transmission shafts and couplings, and ensures the synchronization of the surface linear speed of the glue control roller and the glue application roller through the transmission ratio. During operation, the glue control roller and the glue application roller realize extrusion rolling under the action of the top pressure of the glue cylinder positioning device. During the clockwise rolling of the glue control roller and the counterclockwise rolling of the glue application roller, the glue in the groove of the glue control roller is printed on the surface of the glue application roller, and then the glue is applied synchronously or asynchronously through the glue application roller and the tipping paper. The high-speed operation friction of the glue control roller and the glue application roller causes the glue roller to heat up and cause the temperature of the tipping glue to rise, and its viscosity and fluidity become worse, which will affect the rubbing quality of the filter tip cigarette. In the prior art, there is an idea of using a hollow transmission shaft and a glue roller to conduct internal airflow, which has a significant effect on reducing the heating effect of the glue roller, reduces the temperature rise of the glue, and ensures the gluing quality of the filter tip cigarette. Under the guidance of this idea, the airflow flows out from the transmission shaft, and the rubber roller has a hollow inner cavity. How to conduct the airflow of the above transmission shaft into the rubber roller while ensuring the convenience of assembly and disassembly of the rubber roller device has become an urgent problem to be solved. Utility Model Content
[0003] In order to solve at least one aspect of the above problems, the utility model provides a filter tip assembling machine and an assembly joint for connecting a rubber roller and a transmission shaft. By designing a hollow male joint and a female joint in a coupling between the rubber roller and the transmission shaft of the filter tip assembling machine, the convenience of assembly and disassembly between the rubber roller and the transmission shaft is achieved, and the problem that the filter tip assembling machine conducts airflow into the rubber roller through the transmission shaft is solved. The purpose of the utility model is achieved through the following technical solutions:
[0004] An assembly joint for connecting a rubber roller of a filter tip installation machine with a transmission shaft comprises a male joint and a female joint; the male joint is cylindrical, and its outer diameter matches the inner diameter of a rubber roller with a cooling channel; an exhaust port penetrating its side wall is provided on the first end of the male joint; the female joint is cylindrical, and comprises a first section, a second section and a third section arranged in sequence and interconnected; the first section is used to connect with an air supply channel of the transmission shaft, the outer peripheral surface of the second section is a smooth structure, and the inner diameter of the third section matches the outer diameter of the second end of the male joint.
[0005] Preferably, a first skeleton oil seal is provided in the third section, an outer peripheral surface of the first skeleton oil seal is connected to an inner wall of the third section, and an inner diameter of the first skeleton oil seal matches an outer diameter of the second end of the male connector.
[0006] Preferably, a limiting ring is sleeved in the middle area of the male connector, and the inner wall of the limiting ring is fixedly connected to the outer wall of the male connector.
[0007] Preferably, the size of the outer circumferential surface of the third section is larger than the outer diameter of the second section, and the outer diameter of the second end of the male connector is larger than the inner diameter of the second section.
[0008] Preferably, the outer contour of the third section is hexagonal.
[0009] Preferably, a thread is provided on the outer peripheral surface of the first section.
[0010] Preferably, a plurality of exhaust ports are provided, and the plurality of exhaust ports are distributed along the circumference of the first end of the male connector.
[0011] The present application also provides a filter tip assembling machine, comprising a rubber roller, a slider coupling and a transmission shaft on the same axis, the slider coupling comprising a first part, a second part and a slider, the first part and the second part are respectively fixedly connected to the end of the transmission shaft and the end of the rubber roller, the slider matches the notch of the first part and the notch of the second part respectively, the slider is arranged in the notch of the first part or between the notch of the first part and the notch of the second part, and also comprises any one of the above-mentioned assembly joints for connecting the rubber roller of the filter tip assembling machine with the transmission shaft;
[0012] A cooling channel is provided at the center of the rubber roller along its axial direction; a one-way valve assembly is provided at the inlet end of the cooling channel, and the one-way valve assembly includes a spring, a stopper ball and a second skeleton oil seal which are sequentially arranged in a direction close to the transmission shaft; one end of the spring is connected to the inner wall of the cooling channel, and the other end of the spring is connected to the stopper ball, and the radius of the stopper ball is smaller than the inner diameter of the cooling channel; the outer peripheral surface of the second skeleton oil seal is connected to the inner wall of the cooling channel, and the inner diameter of the second skeleton oil seal is smaller than the radius of the stopper ball and matches the outer diameter of the first end of the male joint, and the first end of the male joint is penetrated at the inlet of the cooling channel;
[0013] An air supply channel is provided at the center of the transmission shaft along the axial direction thereof;
[0014] A first through hole is provided at the center of the first part along its axial direction, the first through hole is connected to the air supply channel, and the inner wall of the first through hole near one end of the slider is connected to the outer wall of the first section; a second through hole is provided at the center of the slider along its axial direction, the second through hole includes a first hole section and a second hole section that are connected, the inner diameter of the first hole section matches the outer diameter of the second section, the axial dimension of the first hole section is smaller than the axial dimension of the second section, the inner diameter of the second hole section is larger than the dimension of the outer circumference of the third section, and the second section and the third section are respectively located in the first hole section and the second hole section; a third through hole is provided at the center of the second part along its axial direction, and the second end of the male connector is inserted into the third through hole;
[0015] When the rubber roller and the transmission shaft are not matched, the third section and the male joint are separated, and the baffle ball abuts against the second skeleton oil seal; when the rubber roller and the transmission shaft are matched, the second end of the male joint is inserted into the third section, the first end of the male joint passes through the second skeleton oil seal and abuts against the baffle ball, and the baffle ball is separated from the second skeleton oil seal.
[0016] Preferably, a third skeleton oil seal is arranged in the third through hole, the outer peripheral surface of the third skeleton oil seal is connected to the inner wall of the third through hole, and the inner diameter of the third skeleton oil seal matches the outer diameter of the second end of the male connector.
[0017] Preferably, a limiting ring is provided on the male joint; the third through hole includes a third hole segment and a fourth hole segment that are connected, the third hole segment is located on the side close to the rubber roller, and the inner diameter of the third hole segment matches the outer diameter of the limiting ring; the outer peripheral surface of the third skeleton oil seal is connected to the inner wall of the fourth hole segment.
[0018] The utility model provides a filter tip connecting machine and an assembly joint for connecting a rubber roller and a transmission shaft, which has the following beneficial effects:
[0019] By designing a hollow male joint and a female joint in the coupling between the rubber roller and the drive shaft of the filter tip assembler, that is, the first section of the female joint is connected to the first part of the coupling, the second section and the third section are connected to the slider, the first end of the male joint is inserted in the cooling channel of the rubber roller, the limit ring is located in the second section, and the second end of the male joint passes through the second section. When the rubber roller cooperates with the drive shaft, the second end of the male joint is subsequently inserted into the third section of the female joint, so that the first end of the male joint passes through the second skeleton oil seal in the one-way valve assembly and abuts on the baffle ball, thereby opening the one-way valve, thereby allowing the gas to be conducted from the air supply channel of the drive shaft through the female joint and the male joint to the cooling channel of the rubber roller. The assembly joint of the present application has a simple structure, is easy to assemble and is stable, realizes the convenience of assembly and disassembly between the rubber roller and the drive shaft, and solves the problem of the filter tip assembler conducting the airflow into the rubber roller through the drive shaft. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to better understand the above and other purposes, features, advantages and functions of the present invention, reference may be made to the embodiments shown in the accompanying drawings. The same reference numerals in the accompanying drawings refer to the same components. It should be understood by those skilled in the art that the accompanying drawings are intended to schematically illustrate the preferred embodiments of the present invention and have no limiting effect on the scope of the present invention, and the components in the drawings are not drawn to scale.
[0021] FIG1 shows a schematic structural diagram of an assembly joint for connecting a rubber roller and a transmission shaft of a filter tip assembling machine according to an embodiment of the utility model;
[0022] FIG2 shows a schematic structural diagram of a rubber roller of a filter tip assembling machine according to an embodiment of the utility model;
[0023] FIG3 shows a cross-sectional view taken along the line AA in FIG2 ;
[0024] FIG4 shows an exploded view of the transmission shaft side of a rubber roller of a filter tip assembling machine according to an embodiment of the utility model;
[0025] FIG5 shows an exploded view of a rubber roller side of a filter tip assembling machine according to an embodiment of the utility model;
[0026] FIG6 shows a schematic structural diagram of a second portion of a rubber roller of a filter tip assembling machine according to an embodiment of the present utility model;
[0027] FIG. 7 shows a schematic structural diagram of another angle of the second part of the rubber roller of a filter tip assembling machine according to an embodiment of the utility model.
[0028] Description of reference numerals:
[0029] 1. Male connector; 11. Exhaust port; 12. Limiting ring; 2. Female connector; 21. First section; 22. Second section; 23. Third section; 3. First skeleton oil seal; 4. Rubber roller; 41. Cooling channel; 5. Slider coupling; 51. First section; 511. First through hole; 52. Second section; 521. Third through hole; 5211. Third hole section; 5212. Fourth hole section; 53. Slider; 531. First hole section; 532. Second hole section; 6. Transmission shaft; 61. Air supply channel; 71. Spring; 72. Stop ball; 8. Third skeleton oil seal; 9. Pin hole; 91. Pin; 10. Fixing hole; 101. Bolt. DETAILED DESCRIPTION
[0030] The following is a description of exemplary embodiments of the present disclosure in conjunction with the accompanying drawings, including various details of the embodiments of the present disclosure to facilitate understanding, which should be considered as merely exemplary. Therefore, it should be recognized by those of ordinary skill in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present disclosure. Similarly, for the sake of clarity and conciseness, descriptions of well-known functions and structures are omitted in the following description.
[0031] As used herein, the term "including" and its variations mean open inclusion, i.e., "including but not limited to". Unless otherwise stated, the term "or" means "and / or". The term "based on" means "based at least in part on". The terms "an example embodiment" and "an embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first", "second", etc. may refer to different or the same objects. Other explicit and implicit definitions may also be included below.
[0032] In order to at least partially solve one or more of the above-mentioned problems and other potential problems, an embodiment of the present disclosure proposes an assembly joint for connecting the rubber roller of a filter tip installation machine with a drive shaft, comprising a male joint 1 and a female joint 2; the male joint 1 is cylindrical, and the outer diameter of the male joint 1 matches the inner diameter of the rubber roller 4 with a cooling channel 41; an exhaust port 11 is provided on the first end of the male joint 1 and passes through its side wall; the female joint 2 is cylindrical, and comprises a first section 21, a second section 22 and a third section 23 which are arranged in sequence and connected to each other; the first section 21 is used to connect with the air supply channel 61 of the drive shaft 6, the outer peripheral surface of the second section 22 is a smooth structure, and the inner diameter of the third section 23 matches the outer diameter of the second end of the male joint 1.
[0033] Specifically, as shown in Figure 1, the male connector 1 is cylindrical, and the outer diameter of the male connector 1 matches the inner diameter of the rubber roller 4 with the cooling channel 41; an exhaust port 11 is provided on the first end of the male connector 1 and passes through its side wall. Preferably, a plurality of exhaust ports 11 are provided, and the plurality of exhaust ports 11 are distributed along the circumference of the first end of the male connector 1. In the present embodiment, the exhaust port 11 is a notch extending from the first end of the male connector 1 along the extension direction of the male connector 1, and there are four notches distributed along the circumference of the first end of the male connector 1; a limit ring 12 is sleeved in the middle area of the male connector 1, and the inner wall of the limit ring 12 is fixedly connected to the outer wall of the male connector 1, so as to limit the position of the male connector 1 when the male connector 1 is connected to the rubber roller 4 and the coupling; the second end of the male connector 1 has a rounded structure to facilitate the connection between the male connector 1 and the female connector 2.
[0034] The female connector 2 is cylindrical, and includes a first section 21, a second section 22, and a third section 23 that are arranged in sequence and connected to each other; the first section 21 is used to connect with the air supply channel 61 of the transmission shaft 6, and preferably, a thread is provided on the outer peripheral surface of the first section 21; the outer peripheral surface of the second section 22 is a smooth structure, and preferably, the outer diameter of the second section 22 is greater than the outer diameter of the first section 21; the inner diameter of the third section 23 matches the outer diameter of the second end of the male connector 1, and preferably, a first skeleton oil seal 3 is provided in the third section 23, and the first skeleton oil seal The outer peripheral surface of the third section 23 is connected to the inner wall of the third section 23, and the inner diameter of the third section 23 is matched with the outer diameter of the second end of the male connector 1 by matching the inner diameter of the first skeleton oil seal 3 with the outer diameter of the second end of the male connector 1; further, the size of the outer peripheral surface of the third section 23 is larger than the outer diameter of the second section 22, and the outer diameter of the second end of the male connector 1 is larger than the inner diameter of the second section 22; the outer contour of the third section 23 is hexagonal, which is used to screw the third section 23 with a wrench when the first section 21 is connected to the air supply channel 61, so as to facilitate the installation of the female connector 2.
[0035] The present application also provides a filter tip assembling machine, as shown in Figures 2 to 7, comprising a rubber roller 4, a slider coupling 5 and a transmission shaft 6 on the same axis. The rubber roller 4, the slider coupling 5 and the transmission shaft 6 on the same axis are provided in two groups, and the two groups of rubber rollers 4 are respectively a control rubber roller 4 and an upper rubber roller 4, as shown in Figure 2; the slider coupling 5 comprises a first part 51, a second part 52 and a slider 53, the first part 51 and the second part 52 are respectively fixedly connected to the end of the transmission shaft 6 and the end of the rubber roller 4, the slider 53 is respectively matched with the notch of the first part 51 and the notch of the second part 52, the slider 53 is arranged in the notch of the first part 51 or between the notch of the first part 51 and the notch of the second part 52, the filter tip assembling machine of the present application also includes any of the above-mentioned assembly joints for connecting the rubber roller of the filter tip assembling machine with the transmission shaft, and there are two groups of assembly joints, which are respectively arranged in the two groups of slider couplings 5.
[0036] As shown in Figure 3, a cooling channel 41 is opened at the center of the rubber roller 4 along its axial direction; a one-way valve assembly is arranged at the inlet end of the cooling channel 41, and the one-way valve assembly includes a spring 71, a ball block 72 and a second skeleton oil seal which are arranged in sequence along the direction close to the transmission shaft 6; one end of the spring 71 is connected to the inner wall of the cooling channel 41, and the other end of the spring 71 is connected to the ball block 72, and the radius of the ball block 72 is smaller than the inner diameter of the cooling channel 41; the outer peripheral surface of the second skeleton oil seal is connected to the inner wall of the cooling channel 41, and the inner diameter of the second skeleton oil seal is smaller than the radius of the ball block 72, and matches the outer diameter of the first end of the male connector 1, and the first end of the male connector 1 is penetrated at the inlet of the cooling channel 41.
[0037] An air supply channel 61 is provided at the center of the transmission shaft 6 along its axial direction; in the present embodiment, as shown in FIGS. 2 and 3 , the first portion 51 and the transmission shaft 6 are integrally formed to realize a fixed connection between the first portion 51 and the end of the transmission shaft 6, a first through hole 511 is provided at the center of the first portion 51 along its axial direction, the first through hole 511 is communicated with the air supply channel 61, the inner wall of the first through hole 511 near one end of the slider 53 is connected to the outer wall of the first section 21, the first section 21 is connected to the air supply channel 61 by connecting with the first through hole 511, in the present embodiment, a thread is provided on the inner wall of the first through hole 511 near one end of the slider 53, the first section 2 1 is threadedly connected with the first through hole 511; a second through hole is opened at the center of the slider 53 along its axial direction, the second through hole includes a first hole section 531 and a second hole section 532 that are connected, the inner diameter of the second hole section 532 is larger than the inner diameter of the first hole section 531, the inner diameter of the first hole section 531 matches the outer diameter of the second section 22, the axial dimension of the first hole section 531 is smaller than the axial dimension of the second section 22, the inner diameter of the second hole section 532 is larger than the dimension of the outer circumference of the third section 23, the second section 22 and the third section 23 are respectively located in the first hole section 531 and the second hole section 532; as shown in Figures 3, 5 to 7, the rubber roller 4 is opened on the end and the second part 52 A plurality of pin holes 9 and a plurality of fixing holes 10 are provided, the pin holes 9 corresponding to the end of the rubber roller 4 and the second part 52 are connected by a pin 91, and the fixing holes 10 corresponding to the end of the rubber roller 4 and the second part 52 are connected by a bolt 101, so as to realize the fixed connection between the second part 52 and the rubber roller 4; a third through hole 521 is provided at the center of the second part 52 along its axial direction, and the second end of the male connector 1 is penetrated in the third through hole 521, preferably, a third skeleton oil seal 8 is provided in the third through hole 521, and the outer peripheral surface of the third skeleton oil seal 8 is connected to the inner wall of the third through hole 521, and the inner diameter of the third skeleton oil seal 8 matches the outer diameter of the second end of the male connector 1, and the male connector 1 The second end is passed through the third skeleton oil seal 8; more preferably, a limit ring 12 is provided on the male connector 1, and the third through hole 521 includes a third hole section 5211 and a fourth hole section 5212 which are connected to each other. The inner diameter of the third hole section 5211 is larger than the inner diameter of the fourth hole section 5212. The third hole section 5211 is located on the side close to the rubber roller 4. The inner diameter of the third hole section 5211 matches the outer diameter of the limit ring 12. The outer peripheral surface of the third skeleton oil seal 8 is connected to the inner wall of the fourth hole section 5212 to prevent the male connector 1 from jumping out of the second part 52; the top ends of the two side walls of the notch of the second part 52 are inclined structures, which help the slider 53 to slide in when the rubber roller 4 and the transmission shaft 6 cooperate.
[0038] When the rubber roller 4 and the transmission shaft 6 are not matched, the third section 23 and the male connector 1 are separated, the blocking ball 72 abuts against the second skeleton oil seal, and the one-way valve is closed; when the rubber roller 4 and the transmission shaft 6 are matched, the second end of the male connector 1 is inserted into the third section 23, the first end of the male connector 1 passes through the second skeleton oil seal and abuts against the blocking ball 72, the blocking ball 72 is separated from the second skeleton oil seal, the one-way valve is opened, and the gas flows into the cooling channel 41 from the gap between the blocking ball 72 and the cooling channel 41, and is finally discharged from the outlet end of the cooling channel 41.
[0039] The embodiments of the present disclosure have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or technical improvements in the market, or to enable other persons of ordinary skill in the art to understand the present invention.
Claims
1. An assembly joint for connecting a rubber roller of a filter tip assembling machine with a transmission shaft, characterized in that: It comprises a male connector (1) and a female connector (2); The male connector (1) is cylindrical, and the outer diameter of the male connector (1) matches the inner diameter of the rubber roller (4) with the cooling channel (41); an exhaust port (11) penetrating the side wall of the male connector (1) is provided on the first end; The female connector (2) is cylindrical and comprises a first section (21), a second section (22) and a third section (23) which are arranged in sequence and are interconnected; the first section (21) is used to connect to an air supply passage (61) of a transmission shaft (6); the outer peripheral surface of the second section (22) is a smooth structure; and the inner diameter of the third section (23) matches the outer diameter of the second end of the male connector (1).
2. The assembly joint for connecting the rubber roller of the filter tip assembling machine with the transmission shaft according to claim 1, characterized in that: A first skeleton oil seal (3) is arranged in the third section (23), the outer peripheral surface of the first skeleton oil seal (3) is connected to the inner wall of the third section (23), and the inner diameter of the first skeleton oil seal (3) matches the outer diameter of the second end of the male connector (1).
3. The assembly joint for connecting the rubber roller of the filter tip assembling machine with the transmission shaft according to claim 1, characterized in that: A limiting ring (12) is sleeved in the middle area of the male connector (1), and the inner wall of the limiting ring (12) is fixedly connected to the outer wall of the male connector (1).
4. The assembly joint for connecting the rubber roller of the filter tip assembling machine with the transmission shaft according to claim 1, characterized in that: The size of the outer peripheral surface of the third section (23) is larger than the outer diameter of the second section (22), and the outer diameter of the second end of the male connector (1) is larger than the inner diameter of the second section (22).
5. The assembly joint for connecting the rubber roller and the transmission shaft of the filter tip assembling machine according to claim 1, characterized in that: The outer contour of the third section (23) is hexagonal.
6. The assembly joint for connecting the rubber roller and the transmission shaft of the filter tip assembling machine according to claim 1, characterized in that: The outer peripheral surface of the first section (21) is provided with threads.
7. The assembly joint for connecting the rubber roller and the transmission shaft of the filter tip assembling machine according to claim 1, characterized in that: A plurality of exhaust ports (11) are provided, and the plurality of exhaust ports (11) are distributed along the circumference of the first end of the male connector (1).
8. A filter tip attachment machine, comprising a rubber roller (4), a slider coupling (5) and a transmission shaft (6) on the same axis, the slider coupling (5) comprising a first part (51), a second part (52) and a slider (53), the first part (51) and the second part (52) being fixedly connected to the end of the transmission shaft (6) and the end of the rubber roller (4) respectively, the slider (53) matching the notch of the first part (51) and the notch of the second part (52) respectively, the slider (53) being arranged in the notch of the first part (51) or between the notch of the first part (51) and the notch of the second part (52), characterized in that: It also includes an assembly joint for connecting the rubber roller of a filter tip assembling machine with a transmission shaft as described in any one of claims 1 to 7; A cooling channel (41) is provided at the center of the rubber roller (4) along its axial direction; a one-way valve assembly is provided at the inlet end of the cooling channel (41), and the one-way valve assembly comprises a spring (71), a stopper ball (72) and a second skeleton oil seal which are arranged in sequence along a direction close to the transmission shaft (6); one end of the spring (71) is connected to the inner wall of the cooling channel (41), and the other end of the spring (71) is connected to the stopper ball (72), and the radius of the stopper ball (72) is smaller than the inner diameter of the cooling channel (41); the outer peripheral surface of the second skeleton oil seal is connected to the inner wall of the cooling channel (41), and the inner diameter of the second skeleton oil seal is smaller than the radius of the stopper ball (72) and matches the outer diameter of the first end of the male connector (1), and the first end of the male connector (1) is arranged at the inlet of the cooling channel (41); An air supply channel (61) is provided at the center of the transmission shaft (6) along the axial direction thereof; A first through hole (511) is provided at the center of the first part (51) along the axial direction thereof, the first through hole (511) is connected to the air supply channel (61), and the inner wall of the first through hole (511) close to one end of the slider (53) is connected to the outer wall of the first section (21); a second through hole is provided at the center of the slider (53) along the axial direction thereof, the second through hole includes a first hole section (531) and a second hole section (532) which are connected to each other, the inner diameter of the first hole section (531) is the same as that of the second hole section (21); 2), the axial dimension of the first hole section (531) is smaller than the axial dimension of the second section (22), the inner diameter of the second hole section (532) is larger than the dimension of the outer peripheral surface of the third section (23), the second section (22) and the third section (23) are respectively located in the first hole section (531) and the second hole section (532); a third through hole (521) is provided at the center of the second portion (52) along the axial direction thereof, and the second end of the male connector (1) is inserted into the third through hole (521); When the rubber roller (4) and the transmission shaft (6) are not matched, the third section (23) and the male joint (1) are separated, and the blocking ball (72) abuts against the second skeleton oil seal; when the rubber roller (4) and the transmission shaft (6) are matched, the second end of the male joint (1) is inserted into the third section (23), the first end of the male joint (1) passes through the second skeleton oil seal and abuts against the blocking ball (72), and the blocking ball (72) is separated from the second skeleton oil seal.
9. A filter tip assembling machine according to claim 8, characterized in that: A third skeleton oil seal (8) is arranged in the third through hole (521); the outer peripheral surface of the third skeleton oil seal (8) is connected to the inner wall of the third through hole (521); and the inner diameter of the third skeleton oil seal (8) matches the outer diameter of the second end of the male connector (1).
10. The filter tip assembling machine according to claim 9, characterized in that: A limit ring (12) is provided on the male joint (1); the third through hole (521) comprises a third hole section (5211) and a fourth hole section (5212) which are connected to each other; the third hole section (5211) is located on a side close to the rubber roller (4); the inner diameter of the third hole section (5211) matches the outer diameter of the limit ring (12); and the outer peripheral surface of the third skeleton oil seal (8) is connected to the inner wall of the fourth hole section (5212).