Device for hot-melting plugging of end part of cotton swab tube

Abstract

The utility model discloses a device for hot melting plugging of cotton swab tube ends. The device comprises a feeding body which is located on a rack and can contain a plurality of cotton swab tubes. The hot melting mechanism comprises a first cam plate, a second cam plate and a first station main body, the first cam plate and the second cam plate are oppositely arranged, and the first station main body is located between the first cam plate and the second cam plate; a guide assembly suspended outside the first station main body is connected with a second cam plate and is matched with a clamping groove in the first station main body to realize clamping and blanking operation of the cotton swab tube, and the first cam plate can axially move and is matched with a first cam follower to push a heating core to extend out of the end part of the hot melting cotton swab tube and then reset; and the second cam plate is fixed on the rack, is matched with the second cam follower and is reset after pushing the ejector pin to eject out the cotton swab tube subjected to hot melting. The first station main body, the first cam follower and the second cam follower of the device rotate coaxially to provide power for automatic feeding and discharging actions, hot melting and material jacking operation.

Description

Technical Field

[0001] The utility model relates to the technical field of improved design of pipe end plugging equipment, in particular to a device for hot melt plugging the end of a cotton swab tube. Background Technique

[0002] The multi-purpose self-flowing cotton swab is a kind of cotton swab tube filled with iodophor disinfectant or alcohol disinfectant, with one end sealed. When the sealed end is broken, the iodophor or alcohol in the cotton swab tube flows to the cotton swab at the other end under the action of gravity, thus forming a multi-purpose disinfected cotton swab stained with iodophor or alcohol. This kind of iodophor or alcohol cotton swab is simple, convenient and hygienic to use, individually packaged, and disposable use will not cause cross-infection of bacteria and viruses. It has a broad market and is deeply loved by consumers. The cotton swab tube is generally made of polypropylene. At present, the filling and plugging method in the production process is to first fill the liquid and then hot iron and plug. When the heating rod heats the cotton swab tube to melt the polypropylene, the melted and ironed polypropylene meets the liquid in the tube and quickly cools down, resulting in a significant reduction in the sealing and ironing effect, increasing the liquid leakage phenomenon of the cotton swab tube and the defective rate of sealing and ironing.

[0003] In the prior art, the patent with the publication number of CN215043897U discloses a self-flowing cotton swab filling and preparation device, which relates to the technical field of cotton swab production. The utility model includes a bottom plate, a moving block and a positioning block. A pushing device is arranged on the upper surface of the moving block, a dispensing plate is arranged on the upper surface of the pushing device, a plurality of positioning sleeves are arranged on one side surface of the positioning block, a fine hole is arranged at one end of the positioning sleeve, a thick hole is arranged at the other end of the positioning sleeve, a horn sleeve is arranged inside the thick hole, a lengthened injection needle is arranged on the circumferential side surface inside the fine hole, and a medicine tube is arranged at one end of the lengthened injection needle. By arranging the horn sleeve, the cotton swab tube can be guided into the thick hole through the horn sleeve, and the cotton swab tube is fixed to prevent the needle from being difficult to align. By arranging the lengthened injection needle to pass through the fine hole in the positioning sleeve to inject the cotton swab tube, liquid leakage and waste can be effectively prevented. By arranging the clamping plate and the sliding top plate, the horizontal movement of the pushing device can be realized to smoothly push the medicine, increasing the smoothness and preventing the medicine from loosening and leaking during the pushing process.

[0004] In the above technical solution, hot melt adhesive for sealing and ironing is conveyed to the sealing and ironing hot rod through a filling valve and a feeding pipe. The cotton swab tube is fixed and inserted into the sealing and ironing hot rod for hot sealing and ironing by arranging a sliding clamping plate and a positioning block. By this method, problems such as liquid leakage at the pipe orifice and the thickening of the sealed and ironed part of the pipe orifice affecting the appearance are avoided during hot sealing and ironing. Since an additional hot melt adhesive is required and a filling valve and a feeding pipe are used in a supporting manner, the overall structural design is relatively complex.

[0005] In order to solve one of the above problems, the present application provides a device for hot melt plugging the end of a cotton swab tube. Content of the Utility Model

[0006] The purpose of the present utility model is to solve the problems existing in the prior art, and a device for hot melt sealing the end of a cotton swab tube is proposed. The main body of the first station rotates and cooperates with the alignment component to realize the clamping and blanking operations of the cotton swab tube. The first cam follower rotates and pushes the heating core to extend out and then reset after hot melting the end of the cotton swab tube. The second cam follower rotates and pushes the ejector pin to eject the cotton swab tube that has completed hot melting and then reset.

[0007] To achieve the above purpose, the present utility model adopts the following technical scheme: A device for hot melt sealing the end of a cotton swab tube, including a feeding mechanism located on a frame. The feeding mechanism includes a feeding main body that can accommodate a number of cotton swab tubes, and a rotatable brush is provided at the outlet of the feeding main body.

[0008] A hot melt connection mechanism, the hot melt connection mechanism includes a first cam plate and a second cam plate arranged oppositely and a first station main body located between the two. The first station main body rotates by itself and matches the outlet position of the feeding main body. A guiding component is suspended outside the first station main body. The guiding component is connected to the second cam plate and cooperates with the card slot on the first station main body to realize the clamping and blanking operations of the cotton swab tube. The first cam plate can move axially and cooperate with the first cam follower. The first cam follower includes a number of first cam reset parts arranged in a circumferential array. Each first cam reset part is provided with a first cam, a first elastic reset part, and a number of heating cores. The first cam moves along the circumferential direction of the first cam plate and pushes the heating core to extend out and then reset after hot melting the end of the cotton swab tube. The second cam plate is fixed on the frame and cooperates with the second cam follower. The second cam follower includes a number of second cam reset parts arranged in a circumferential array. Each second cam reset part is provided with a second cam, a second elastic reset part, and a number of ejector pins. The second cam moves along the circumferential direction of the second cam plate and pushes the ejector pin to eject the cotton swab tube that has completed hot melting and then reset. The first station main body, the first cam follower, and the second cam follower rotate coaxially.

[0009] Further, as described above, the feeding main body is a box body with an inclined bottom, and the brush is driven by a first motor installed outside the feeding main body after speed reduction.

[0010] Further, as described above, the feeding main body is fixed on a support plate through a connecting piece, and the support plate is supported and fixed by an adjusting seat on the workbench of the frame.

[0011] Further, as described above, the first station main body is located between the first cam follower and the second cam follower, and the first station main body is respectively connected to the first turntable of the first cam follower and the second turntable of the second cam follower.

[0012] Further, a heating mold is sleeved outside the first turntable as described above. A heating hole for the heating core to pass through is provided on the heating mold. The first turntable is provided with an annular first retaining ring and a plurality of circumferential first mounting positions. The first cam reset member includes a first slide rail fixed on the first mounting position. A first slider is slidably arranged on the first slide rail. The first slider is connected to a first sliding plate, and a first cam is arranged on the first sliding plate.

[0013] Further, blind holes are formed in the first sliding plate as described above and a plurality of heating cores are accommodated therein. A first elastic reset member is fixed on the first sliding plate. The first elastic reset member is a first spring pin. The end of the first pin shaft of the first spring pin is fixed on the first sliding plate. A first spring sleeved outside the first pin shaft abuts against the first retaining ring.

[0014] Further, the second turntable as described above is provided with an annular second retaining ring and a plurality of circumferential second mounting positions. The second cam reset member includes a second slide rail fixed on the second mounting position. A second slider is slidably arranged on the second slide rail. The second slider is connected to a second sliding plate, and a second cam is arranged on the second sliding plate.

[0015] Further, blind holes are formed in the second sliding plate as described above and a plurality of ejector pins are accommodated therein. A second elastic reset member is fixed on the second sliding plate. The second elastic reset member is a second spring pin. The end of the second pin shaft of the second spring pin is fixed on the first sliding plate. A second spring sleeved outside the second pin shaft abuts against the second retaining ring.

[0016] Further, the alignment component as described above includes a plurality of alignment pieces. The alignment pieces are connected to the second cam plate through a connecting rod. The middle of the second cam plate is fixed on the support plate through a support rod. A horizontal cylinder is arranged on the support plate, and the telescopic shaft of the horizontal cylinder is connected to the first cam plate.

[0017] Further, the first station main body, the first turntable and the second turntable as described above are all fixed on the rotating cylinder. The rotating cylinder is sleeved outside the support rod and is driven after being decelerated by a second motor installed on the support plate.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows: The device realizes the clamping and blanking operations of the cotton swab tube by the self-rotation of the first station main body and the cooperation with the alignment component. The first cam follower rotates and pushes the heating core to extend out and then reset after melting and welding the end of the cotton swab tube. The second cam follower rotates and pushes the ejector pin to eject the cotton swab tube after the melting and welding is completed and then reset.

[0019] The bottom of the incoming material body is inclined, and the auxiliary rolling brush lays the cotton swab tube in the card slot on the first station body. Combining the design of the guiding piece can achieve clamping and limiting and free feeding. In addition, two cam followers cooperate with the corresponding cam plates, so that each cam reset part can extend and reset towards the first station body. Combining the correspondingly installed heating core and ejector pin, the hot melt sealing operation at one end of the cotton swab tube and the ejecting action at the other end of the cotton swab tube can be realized. The overall structure design is compact, and the working efficiency of the cam mechanism is high. Brief Description of the Drawings

[0020] Figure 1 is a three-dimensional view of the present utility model Figure 1 ;

[0021] Figure 2 is a three-dimensional view of the present utility model Figure 2 ;

[0022] Figure 3 is Figure 2 explosion schematic diagram of

[0023] Figure 4 is a three-dimensional view of the present utility model Figure 3 ;

[0024] Figure 5 is an exploded view of each component of the welding part of the hot melt welding mechanism of the present utility model;

[0025] Figure 6 is an exploded view of each component of the ejecting part of the hot melt welding mechanism of the present utility model.

[0026] In the figure: 1. Feeding mechanism; 10. Incoming material body; 11. Connecting piece; 12. Support plate; 13. Adjusting seat; 14. First motor; 15. Brush; 2. Hot melt welding mechanism; 20. Driven wheel; 21. Rotating cylinder; 22. Horizontal cylinder; 23. First cam plate; 24. First cam follower; 240. First turntable; 241. Heating die; 2411. Heating core; 25. Second cam follower; 250. Second turntable; 251. Second slide rail; 252. Second slider; 253. Second spring pin; 254. Second connecting plate; 255. Second cam; 256. Second sliding plate; 257. Ejector pin; 26. Guiding component; 27. First station body; 28. Support rod; 29. Second cam plate. Detailed Description of the Preferred Embodiment

[0027] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "fixed", "installed", "connected", "set", etc. should be understood in a broad sense. For example, when an element is referred to as "fixed to" another element, it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "installed on" another element, it can be directly installed on the other element or there can also be an intermediate element. When an element is considered to be "connected" to another element, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements.

[0029] For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0031] Embodiment 1

[0032] Refer to Figures 1-6As shown in the figure, a device for hot-melt sealing the end of a cotton swab tube according to the present utility model includes a feeding mechanism 1 and a hot-melt welding mechanism 2 located on a frame. The feeding mechanism 1 includes a feeding main body 10 that can accommodate a plurality of cotton swab tubes. At the outlet of the feeding main body 10, there is a rotatable brush 15 for tumbling and pushing the cotton swab tubes onto the card slot of the first-station main body 27 of the hot-melt welding mechanism 2. The hot-melt welding mechanism 2 includes a relatively arranged first cam plate 23 and a second cam plate 29, and a first-station main body 27 located between them. The first-station main body 27 rotates self-axis and matches the outlet position of the feeding main body 10 to receive the feeding of the cotton swab tubes to its card slot. An alignment component 26 is suspended outside the first-station main body 27. The alignment component 26 is connected to the second cam plate 29 and cooperates with the card slot on the first-station main body 27 to realize the clamping and blanking operations of the cotton swab tubes. The alignment component 26 plays a role in guiding and supporting the cotton swab tubes. The first cam plate 23 can move axially and cooperate with the first cam follower 24. When they are in contact, they can work according to the operation mode of the cam mechanism. On the contrary, when they are separated, the first cam follower 24 only has a self-rotation movement. The first cam follower 24 includes a plurality of first cam reset parts arranged in a circumferential array. Each first cam reset part is provided with a first cam, a first elastic reset part, and a plurality of heating cores 2411. The first cam moves along the circumferential direction of the first cam plate 23 and pushes the heating cores 2411 to extend out to hot-melt the end of the cotton swab tube and then reset. The second cam plate 29 is fixed on the frame and cooperates with the second cam follower 25. The second cam follower 25 includes a plurality of second cam reset parts arranged in a circumferential array. Each second cam reset part is provided with a second cam 255, a second elastic reset part, and a plurality of ejector pins 257. The second cam 255 moves along the circumferential direction of the second cam plate 29 and pushes the ejector pins 257 to eject the hot-melted cotton swab tubes and then reset. The first-station main body 27, the first cam follower 24, and the second cam follower 25 rotate coaxially to maintain the power stability and operation action consistency of the feeding and discharging actions, hot-melt welding operation, and ejecting operation of the cotton swab tubes.

[0033] Embodiment 2

[0034] Refer to Figures 1-6 As shown in the figure, on the basis of the technical solution of Embodiment 1, a device for hot-melt sealing the end of a cotton swab tube, refer to Figures 1-4It can be seen that for the specific structural design of the feeding mechanism 1, the incoming material main body 10 is a box body with an inclined bottom, so that the cotton swab tubes can freely fall under the action of gravity. The brush 15 is driven by a first motor 14 installed outside the incoming material main body 10 after speed reduction, and its speed reduction mechanism is a conventional design, which will not be elaborated here. In addition, the incoming material main body 10 is fixed on the support plate 12 through a connecting piece 11, and the front-back position or the distance between the outlet of the incoming material main body 10 and the first station main body 27 can be adjusted. The support plate 12 is supported and fixed by an adjusting seat 13 located on the workbench of the machine frame, and the height of the incoming material main body 10 can be adjusted, that is, the height relationship between the position of the outlet of the incoming material main body 10 and the first station main body 27 can be changed.

[0035] Embodiment 3

[0036] Referring to Figures 1-6 As shown, on the basis of the technical solution of Embodiment 2, a device for hot melt sealing the end of a cotton swab tube, referring to Figures 5-6 It can be seen that for the specific structural design of the hot melt connection mechanism 2, the first station main body 27 is located between the first cam follower 24 and the second cam follower 25. The first station main body 27 is respectively connected to the first turntable 240 of the first cam follower 24 and the second turntable 250 of the second cam follower 25, so that the angular velocities of the three are the same, that is, the rotational movements during the operation of the three are consistent.

[0037] Regarding the structure of the first cam follower 24, as Figure 5 shown, a heating mold 241 is sleeved outside the first turntable 240. The heating mold 241 is provided with a heating hole for the heating core 2411 to pass through. The first turntable 240 is provided with an annular first retaining ring and a plurality of circumferential first mounting positions. The first cam resetting member includes a first slide rail fixed on the first mounting position. A first slider is slidably provided on the first slide rail. The first slider is connected to a first sliding plate. A first cam is provided on the first sliding plate. When the first cam contacts the first cam plate 23 and rotates along its contour, referring to the operating principle of the cam mechanism, it can be known that the first sliding plate moves towards the first station main body 27 along the direction of the first slide rail, and thus the heating core 2411 can be pushed to contact the end of the cotton swab tube to complete the hot melt sealing operation. In addition, blind holes are formed on the first sliding plate and accommodate a plurality of heating cores 2411. A first elastic resetting member is fixed on the first sliding plate. The first elastic resetting member is a first spring pin. The end of the first pin shaft of the first spring pin is fixed on the first sliding plate. A first spring sleeved outside the first pin shaft abuts against the first retaining ring. When the first cam disengages from the contour of the first cam plate 23, the elastic force of the first spring pushes the first sliding plate away from the first station main body 27, and thus the heating core 2411 can be pushed to disengage from the sealing end of the cotton swab tube and reset.

[0038] Regarding the structure of the second cam follower 25, asFigure 6 As shown, the second turntable 250 is provided with a circumferential second retaining ring and a plurality of annular second mounting positions. The second cam reset member includes a second slide rail 251 fixed on the second mounting position. A second slider 252 is slidably arranged on the second slide rail 251. The second slider 252 is connected to a second sliding plate 256. A second cam 255 is arranged on the second sliding plate 256. When the second cam 255 contacts the second cam plate 29 and rotates along its contour, referring to the operating principle of the cam mechanism, it can be known that the second sliding plate 256 moves towards the first station body 27 along the direction of the second slide rail 251, and thus the ejector pin 257 can be pushed to complete the ejecting operation of the cotton swab tube. In addition, blind holes are formed in the second sliding plate 256 and a plurality of ejector pins 257 are accommodated therein. A second elastic reset member is fixed on the second sliding plate 256. The second elastic reset member is a second spring pin 253. The end of the second pin shaft of the second spring pin 253 is fixed on the first sliding plate. A second spring sleeved on the second pin shaft abuts against the second retaining ring. When the second cam 255 disengages from the contour of the second cam plate 29, the elastic force of the second spring pushes the second sliding plate 256 away from the first station body 27, and thus the ejector pin 257 can be pushed away from the end of the cotton swab tube to reset.

[0039] Embodiment 4

[0040] Referring to Figures 1-6 As shown, on the basis of the technical solution of Embodiment 3, a device for hot melt sealing the end of a cotton swab tube, referring to Figures 5-6It can be seen that the alignment component 26 includes a plurality of alignment pieces. The alignment pieces are connected to the second cam plate 29 through connecting rods. The middle of the second cam plate 29 is fixed on the support plate 12 through a support rod 28, that is, the position of the second cam plate 29 is fixed and the position of the alignment pieces remains unchanged. The alignment pieces are arranged around the first-station main body 27 and there is a space below for the cotton swab tube to freely fall to the next station. A horizontal air cylinder 22 is provided on the support plate 12. The telescopic shaft of the horizontal air cylinder 22 is connected to the first cam plate 23. That is, although the first cam plate 23 is also fixed on the support plate 12, the distance between it and the first cam follower 24 can be adjusted through the horizontal air cylinder 22, so that the heating core 2411 is pushed out only when hot melting operation is required, so as to avoid the situation that the heating core 2411 always extends to the card slot of the first-station main body 27, resulting in the temperature rise at the card slot and the adhesion of the cotton swab tube. In addition, the first-station main body 27, the first turntable 240 and the second turntable 250 are all fixed on the rotating cylinder 21. The rotating cylinder 21 is sleeved outside the support rod 28 and is driven by a second motor installed on the support plate 12 after speed reduction. Specifically, the second motor is installed on the support plate 12 and the speed is reduced through a speed reduction mechanism. The speed reduction mechanism is a belt drive mechanism. The belt on the driving wheel drives the driven wheel 20 to work. The output shaft of the driven wheel 20 is connected to the rotating cylinder 21 to transmit power. The design of the rotating cylinder 21 ensures that the support and fixation of the second cam plate 29 by the support rod 28 will not cause interference. Since the overall layout of the hot melting mechanism 2 is horizontally arranged in the same direction axially, the assembly of each component is compact and the overall occupied space is small. Combined with the improved design of the cam mechanism, the feeding, hot melting and discharging operations are coherent and the working efficiency is high.

[0041] In the device of the present utility model, for the assembly and cooperation relationships of the various components involved, the brush 15, the heating core 2411, the air cylinder and the motor and their control software, etc. are prior arts or materials. Those skilled in the art can directly purchase or order them from the market according to the required product models and specifications.

[0042] The electrical components mentioned in the text are all electrically connected to the external main controller and 220V mains or industrial electricity, and the main controller can be a conventional known device such as a computer that plays a control role.

[0043] The above are only the preferred specific embodiments of the present utility model. Common knowledge such as specific structures and characteristics known in the solutions is not described in detail herein. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. Any person skilled in the technical field, within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent substitutions or changes, and should be covered by the protection scope of the present utility model.

Claims

1. A device for hot-melt sealing of the end of a cotton swab tube, characterized in that: The invention comprises a feeding mechanism (1) located on a frame, wherein the feeding mechanism (1) comprises a material input body (10) capable of accommodating a plurality of cotton swab tubes, and a rotatable brush (15) is provided at the outlet of the material input body (10); The hot-melt welding mechanism (2) comprises a first cam plate (23) and a second cam plate (29) arranged opposite to each other and a first station body (27) located therebetween. The first station body (27) rotates and matches the outlet position of the incoming material body (10). A guide assembly (26) is suspended outside the first station body (27). The guide assembly (26) is connected to the second cam plate (29) and cooperates with the card slot on the first station body (27) to realize the card installation and blanking operation of the cotton swab tube. The first cam plate (23) can move axially and cooperate with the first cam follower (24). The first cam follower (24) comprises a plurality of first cam reset members arranged in a circumferential array. Each first cam reset member is provided with a first cam and a first elastic reset member. The first cam moves circumferentially along the first cam plate (23) and pushes the heating core (2411) to extend out of the end of the heat-melting cotton swab tube and then reset. The second cam plate (29) is fixed on the frame and cooperates with the second cam follower (25). The second cam follower (25) includes a plurality of second cam reset parts arranged in a circular array. Each second cam reset part is provided with a second cam (255) and a second elastic reset part and a plurality of ejector pins (257). The second cam (255) moves circumferentially along the second cam plate (29) and pushes the ejector pin (257) to eject the heat-melting cotton swab tube and then reset. The first station body (27), the first cam follower (24) and the second cam follower (25) rotate coaxially.

2. A device for hot-melt sealing of the end of a cotton swab tube according to claim 1, characterized in that: The material-incoming body (10) is a box body with an inclined bottom, and the brush (15) is driven by a first motor (14) installed outside the material-incoming body (10) after the speed is reduced.

3. A device for hot-melt sealing of the end of a cotton swab tube according to claim 2, characterized in that: The incoming material body (10) is fixed on the support plate (12) through a connecting piece (11), and the support plate (12) is supported and fixed by an adjustment seat (13) located on the frame workbench.

4. A device for hot-melt sealing of the end of a cotton swab tube according to claim 1, characterized in that: The first station body (27) is located between the first cam follower (24) and the second cam follower (25), and the first station body (27) is respectively connected to the first rotating disk (240) of the first cam follower (24) and the second rotating disk (250) of the second cam follower (25).

5. A device for hot-melt sealing of the end of a cotton swab tube according to claim 4, characterized in that: The first turntable (240) is provided with a heating mold (241) on the outside, and the heating mold (241) is provided with a heating hole for the heating core (2411) to pass through. The first turntable (240) is provided with an annular first retaining ring and a plurality of circumferential first mounting positions. The first cam reset member includes a first slide rail fixed on the first mounting position, a first slider is slidably provided on the first slide rail, the first slider is connected to the first sliding plate, and the first sliding plate is provided with a first cam.

6. A device for hot-melt sealing of the end of a cotton swab tube according to claim 5, characterized in that: The first sliding plate has a blind hole and accommodates a plurality of heating cores (2411). The first sliding plate is fixed with a first elastic reset member, which is a first spring pin. The first pin shaft end of the first spring pin is fixed on the first sliding plate, and the first spring sleeved outside the first pin shaft abuts against the first retaining ring.

7. A device for hot-melt sealing of the end of a cotton swab tube according to claim 4, characterized in that: The second rotating disk (250) is provided with an annular second retaining ring and a plurality of circumferential second mounting positions, and the second cam reset member comprises a second slide rail (251) fixed on the second mounting position, a second slider (252) slidingly provided on the second slide rail (251), the second slider (252) is connected to a second sliding plate (256), and a second cam (255) is provided on the second sliding plate (256).

8. A device for hot-melt sealing of the end of a cotton swab tube according to claim 7, characterized in that: The second sliding plate (256) is provided with a blind hole and contains a plurality of ejector pins (257). The second sliding plate (256) is fixed with a second elastic reset member, which is a second spring pin (253). The second pin shaft end of the second spring pin (253) is fixed to the first sliding plate, and the second spring sleeved outside the second pin shaft abuts against the second retaining ring.

9. A device for hot-melt sealing of the end of a cotton swab tube according to any one of claims 4 to 8, characterized in that: The guiding assembly (26) comprises a plurality of guiding plates, which are connected to the second cam plate (29) via connecting rods. The middle of the second cam plate (29) is fixed to the support plate (12) via a supporting rod (28). The support plate (12) is provided with a horizontal cylinder (22), and the telescopic shaft of the horizontal cylinder (22) is connected to the first cam plate (23).

10. A device for hot-melt sealing of the end of a cotton swab tube according to claim 9, characterized in that: The first workstation body (27), the first turntable (240) and the second turntable (250) are all fixed on the rotating drum (21). The rotating drum (21) is sleeved on the outside of the support rod (28) and is driven after being reduced in speed by a second motor installed on the support plate (12).

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