A transfer mechanism and a capping machine

Abstract

The utility model relates to a kind of transfer mechanism and cover rolling machine, transfer mechanism is located on the rack of cover rolling machine, comprising: transfer subassembly, including with drive arrangement transmission connection and opposite rotation first star wheel and second star wheel, with transfer handover point between two;Defective product placing box, located first star wheel outside, and with bottle guide passage between two, for storing defective product;Defective product detection subassembly, its detection end is located above first star wheel;Extrusion detection subassembly, with extrusion part, extrusion part is located between first star wheel and second star wheel, and located downstream of transfer handover point;Extrusion detection subassembly is electrically connected with drive arrangement, to in transfer handover point place bottle is not successfully handed over and falls off, and extrusion part is extruded by the bottle that falls off, so that drive arrangement stops.The utility model can detect the bottle that falls off in time by setting extrusion detection subassembly, make star wheel stop in time, as far as possible guarantee that bottle and star wheel are not damaged.

Description

Technical Field

[0001] This utility model relates to the field of capping technology, and in particular to a transfer mechanism and capping machine. Background Technology

[0002] In the process of producing oral liquids in pharmaceutical companies, capping machines are commonly used to cap and crimp the filled and stoppered carrier bottles (such as vials). However, after the carrier bottles pass through the capping process, a small number of carrier bottles may not have aluminum caps. Therefore, further inspection is required in the transfer process after the capping process. The transfer process is generally completed by at least two star wheels in conjunction with sensors. Good products that pass the sensor detection are transferred from the first star wheel to the second star wheel for continued transportation, while defective products are directly transported from the first star wheel to the defective product storage box for centralized processing.

[0003] Since star wheels are generally operated via an air path and a suction nozzle, prolonged use may lead to issues such as reduced vacuum in the air path or damage to the suction nozzle, resulting in improper transfer at the transfer point. This can cause the carrier bottle to fall out without being adsorbed and into the approximately triangular space between the two star wheels. Since the outer side of the star wheel is usually surrounded by a protective rail or an outer support plate, if the star wheel continues to move, the outer wall of the star wheel will squeeze the carrier bottle, causing damage to the carrier bottle and also damaging the star wheel itself. Utility Model Content

[0004] This utility model provides a transfer mechanism and a capping machine, which can detect good and bad products of the capped and capped bottles, and can also promptly stop the star wheel by setting up a squeezing detection component to ensure that the bottles and star wheel are not damaged as much as possible.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A transfer mechanism, mounted on the frame of a capping machine, includes:

[0007] The transfer assembly includes a first star wheel and a second star wheel that are connected to the drive device and rotate in opposite directions. There is a transfer handover point between the two. The carrier bottle transferred by the first star wheel can be transferred to the second star wheel at the transfer handover point for further transfer.

[0008] A defective product placement box is located outside the first star wheel, and there is a bottle guide channel between the two for storing defective products;

[0009] The defective product detection component has its detection end located above the first star wheel and upstream of the transfer handover point. It is used to detect whether the capped bottle is defective. If the bottle is defective, it will not be transferred at the transfer handover point and will be transported to the bottle guide channel by the first star wheel. If the bottle is good, it will be transferred at the transfer handover point and will continue to be transported by the second star wheel.

[0010] The extrusion detection assembly has an extrusion section, which is disposed in the triangular space formed by the outer walls of the first star wheel and the second star wheel, and is located downstream of the transfer junction point;

[0011] The compression detection component is electrically connected to the drive device so that when the bottle fails to be successfully transferred at the transfer junction and falls off, and the compression part is compressed by the fallen bottle, the drive device stops, thereby stopping the rotation of the transfer component.

[0012] Preferably, the extrusion detection assembly includes a drive plate, a reset component, and a detection component;

[0013] The drive plate slides on the frame, and the extrusion section is located at the end of the drive plate near the transfer junction point.

[0014] The reset component is located between the frame and the drive plate. The drive plate can move away from the transfer junction point under the pressure of the detached bottle, and can move back to its original position after the pressure is released by the reset component.

[0015] The detection component is mounted on the frame and electrically connected to the drive device so that when the drive plate moves away from the transfer junction point, the drive device stops, thereby stopping the transfer assembly from rotating.

[0016] Preferably, the drive plate includes an upper drive plate and a lower drive plate, the extrusion part is set at the end of the upper drive plate near the transfer junction point, and the end away from the transfer junction point is fixedly connected to the lower drive plate;

[0017] The lower drive plate has a mounting groove at the end away from the transfer junction point, and the frame has a threaded groove at the corresponding location. The end of the bolt group passes through the bottom of the mounting groove and is connected to the threaded groove. The reset member is located in the mounting groove and is sleeved on the outer periphery of the shank of the bolt group, and is located between the bottom of the mounting groove and the end of the bolt group. The bolt group can slide relative to the mounting groove.

[0018] Preferably, the lower drive plate has a metal rod on its lower sidewall, and the detection end of the detection element is positioned facing the metal rod to detect the distance between the detection element and the metal rod.

[0019] Preferably, the extrusion part is configured as a triangular structure, and the upper end of its pointed part near the transfer junction is inclined downward.

[0020] Preferably, the first star wheel and the second star wheel have corresponding first transfer guard rails and second transfer guard rails, both of which are mounted on the frame.

[0021] Preferably, the transfer assembly further includes a third star wheel, which rotates in the opposite direction to the second star wheel, so that the discharge direction of the bottle is consistent with the feed direction.

[0022] Preferably, the third star wheel is provided with a corresponding third transfer rail, and the bottle inlet end of the third transfer rail is located outside the junction point of the third star wheel and the second star wheel, and above the second star wheel. The transfer groove provided on the third star wheel does not have an air passage or a suction nozzle.

[0023] Preferably, the extrusion section is located at the bottle inlet end of the second transfer rail, and the drive plate where the extrusion section is located is slidably disposed in the sliding groove provided on the lower side wall of the second transfer rail;

[0024] The two side walls of the extrusion section respectively form the bottle inlet side wall of the bottle guide channel and the bottle inlet side wall of the second transfer guide rail.

[0025] A capping machine includes the aforementioned transfer mechanism.

[0026] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0027] By setting up a squeeze detection component, it is possible to detect whether the bottle has fallen off at the transfer junction between the first star wheel and the second star wheel. Once it falls off, the bottle can act on the squeeze part under the force of the star wheel, causing the squeeze part to move. The detection component in the squeeze detection component can detect the movement of the squeeze part and control the star wheel to stop rotating in time, so as to ensure that the fallen bottle and the star wheel are not damaged as much as possible, and to ensure that the transfer mechanism can transfer the bottle safely and stably. Attached Figure Description

[0028] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0029] Figure 1 This is a top view of the transfer mechanism in an embodiment of the present utility model;

[0030] Figure 2 This is a perspective view of the transfer mechanism in an embodiment of the present utility model;

[0031] Figure 3 This is a schematic diagram of the extrusion detection component in an embodiment of the present invention;

[0032] Figure 4 This is a cross-sectional view of the extrusion detection component in an embodiment of this utility model.

[0033] Explanation of reference numerals in the attached figures:

[0034] 1. Transfer assembly; 11. First star wheel; 12. Second star wheel; 13. Third star wheel; 14. Transfer handover point; 2. Defective product placement box; 3. Defective product detection assembly; 4. Extrusion detection assembly; 41. Upper drive plate; 411. Extrusion section; 42. Lower drive plate; 43. Reset component; 44. Bolt assembly; 45. Mounting slot; 46. Detection component; 47. Metal rod; 48. Guide rod; 5. First transfer guard rail; 6. Second transfer guard rail; 7. Third transfer guard rail; 8. Support plate; 9. Bottle guide channel; 10. Transport channel; 100. Frame. Detailed Implementation

[0035] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0036] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0037] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0038] This utility model embodiment provides a transfer mechanism located on the rear side of the capping process on a capping machine, mounted on the frame 100. After the bottles are capped, the transfer mechanism transfers them and selects good and defective products. The transfer mechanism includes a transfer component 1, a defective product placement box 2, and a defective product detection component 3; Figure 1-2 As shown, the transfer assembly 1 includes a first star wheel 11 and a second star wheel 12 that are connected to an external drive device and rotate in opposite directions. The first star wheel 11 and the second star wheel 12 are existing star wheels (rotor wheels), and their outer walls are provided with multiple transfer grooves. A suction nozzle and an air passage connected to the suction nozzle are correspondingly provided in each transfer groove. By drawing a vacuum, the carrier bottle is stably placed in the transfer groove. A transfer junction point 14 is provided between the first star wheel 11 and the second star wheel 12. At the transfer junction point 14, the air passage in the transfer groove of the first star wheel 11 is closed, and the air passage in the corresponding transfer groove of the second star wheel 12 is opened. Under the action of suction force, the carrier bottle moves from the transfer groove in the first star wheel 11 to the transfer groove in the second star wheel 12 for further transfer. This is existing technology. The defective product detection assembly 3 is installed on the frame 100, with its detection end located above the first star wheel 11 and along the first star wheel 12. The rotation direction of the first star wheel 11 is such that the detection end is located upstream of the transfer handover point 14. When the first star wheel 11 carries the bottle past the detection end, the bottle will be detected as a good product. Correspondingly, the defective product placement box 2 is located outside the first star wheel 11, and a bottle guide channel 9 is formed between the two. The bottle guide channel 9 can be set on the frame 100 or on another mounting plate. Correspondingly, the entrance of the bottle guide channel 9 is located at the outer edge of the first star wheel 11. A conveyor belt is also set below the bottle guide channel 9. When the bottle is a defective product, it will not be transferred at the transfer handover point 14, but will continue to be transported by the first star wheel 11 to the conveyor belt at the bottle guide channel 9, and then transported to the defective product placement box 2 for centralized processing. When the bottle is a good product, it will be transferred to the second star wheel 12 at the transfer handover point 14 for continued transfer. Among them, the defective product detection component 3 can be a proximity sensor, which is mainly used to detect whether the bottle has an aluminum cap. If there is no aluminum cap, the bottle is a defective product; if there is an aluminum cap, it is a good product.

[0039] Correspondingly, at the transfer junction 14, due to prolonged use of the star wheel, the nozzle may become damaged, resulting in insufficient suction or insufficient vacuum in the air path. This can cause the bottle to detach during the transfer at junction 14, and the detached bottle will come into contact with the star wheel, causing damage to both the bottle and the star wheel. To solve this problem, the transfer mechanism also includes a squeeze detection component 4, which has a squeeze part 411. The squeeze part 411 is located in the triangular space formed by the outer walls of the first star wheel 11 and the second star wheel 12 and located downstream of the transfer junction 14. Once the bottle detaches during the transfer process, the still rotating star wheel will force the bottle to come into contact with the squeeze part 411, causing the squeeze part 411 to move away from the transfer junction 14. At this time, the squeeze detection component 4 will control the drive device to stop moving, and the star wheel will also stop moving, in order to avoid the star wheel rotating as much as possible and further squeezing the detached bottle, causing damage to both itself and the bottle. It is important to note that once the extrusion section 411 is subjected to extrusion and moves, the extrusion detection component 4 will detect it and control the star wheel to stop rotating, ensuring that the detached bottle and the star wheel are not damaged. Of course, after the star wheel stops rotating, the extrusion detection component 4 will also transmit a signal to the alarm on the frame 100, causing the alarm to sound and reminding the staff to handle the situation promptly and carry out maintenance.

[0040] It should be emphasized here that this utility model only adds a squeeze detection component 4 to the transfer mechanism to detect whether the bottle has fallen off at the transfer junction 14 of the first star wheel 11 and the second star wheel 12. It is then associated with the drive device of the first star wheel 11 and the second star wheel 12 to ensure that the fallen bottle and the star wheel are not further damaged. The squeeze detection component 4 detects and sends the detection result, which is actually done by a sensor and then sends a signal to the drive device. This built-in association between sensor detection and release signal is existing technology and is not an improvement of the method. Therefore, the actual improvement is that the squeeze detection component 4 is added at the transfer junction 14 of the first star wheel 11 and the second star wheel 12, which is a structural improvement.

[0041] Specifically, the compression detection assembly 4 includes a drive plate, a reset component 43, and a detection component 46. The end of the drive plate near the transfer junction point 14 is the compression part 411, and the part away from the transfer junction point 14 is connected to the frame 100, with the reset component 43 between them. Specifically, when the detached bottle compresses the compression part 411, the entire drive plate moves away from the transfer junction point 14, and the detection component 46 installed on the frame 100 will detect this. At this time, it will control the drive device to stop, so that the star wheel stops rotating. After the external operator removes the detached bottle, the entire drive plate will move towards the transfer junction point 14 under the action of the reset component 43, and finally move back to the initial position for the next detection.

[0042] Specifically, such as Figure 3-4 As shown, there are various ways to cooperate the drive plate, reset component 43, and detection component 46. However, in this embodiment, the drive plate specifically includes an upper drive plate 41 and a lower drive plate 42. The lower drive plate 42 is located below the upper drive plate 41 and is bolted to the end of the upper drive plate 41 away from the transfer junction point 14. Correspondingly, the lower drive plate 42 is located on the outer side of the corresponding side wall of the frame 100. The lower drive plate 42 is connected to the frame 100 by a bolt group 44. Specifically, a threaded hole is provided on the side wall of the frame 100, and a sliding groove is provided on the side wall of the lower drive plate 42 away from the corresponding side wall of the frame 100. The end of the bolt group 44 passes through the bottom of the sliding groove and is connected to the frame 100. The upper drive plate 41 is connected to a threaded hole, and the reset member 43 is set as a spring. The spring sleeve is located in the sliding groove and sleeved on the outside of the screw in the bolt assembly 44. The spring is restricted to the end of the bolt assembly 44 and the bottom of the sliding groove. So when the pressing part 411 of the upper drive plate 41 is pressed by the detached bottle, the upper drive plate 41 drives the lower drive plate 42 to move away from the side wall of the frame 100 with the threaded hole. The bolt assembly 44 is fixed on the frame 100, so the lower drive plate 42 presses the internal spring, so that the spring is compressed. When the detached bottle is removed, the upper drive plate 41 and the lower drive plate 42 will return to the initial position under the action of the spring, thereby realizing the sliding of the entire drive plate on the frame 100. There are also two guide rods 48 between the lower drive plate 42 and the frame 100, located on both sides of the bolt assembly 44, so that the lower drive plate 42 can slide stably along the bolt assembly 44.

[0043] Correspondingly, a metal rod 47 is detachably connected to the bottom of the lower drive plate 42, which is a stud. The corresponding detection element 46 is set as a proximity sensor. When the extrusion section 411 is squeezed by the detached bottle, the lower drive plate 42 will move with the metal rod 47. If the proximity sensor cannot detect the signal of the metal rod 47, the drive device will stop working. The use of the metal rod 47 here can make the proximity sensor more stable when detecting, and can also make it easier to set the installation position of the detection element 46 by extending the detection end, so that the detection element 46 can be installed on the lower side wall of the frame 100, which is convenient for installation and removal. It is important to know that when the upper drive plate 41 is in the initial position (the extrusion part 411 is not extruded), the distance between the metal rod 47 and the proximity sensor is just enough for the metal rod 47 to be detected by the proximity sensor. Once the metal rod 47 moves away from the proximity sensor under the drive of the lower drive plate 42, the proximity sensor will transmit a signal to stop the drive device from working. It can be seen that as long as the extrusion part 411 and the drive plate have a very small amount of movement, the proximity sensor will transmit a signal, thereby further ensuring that the detached bottle and star wheel are not damaged.

[0044] Furthermore, since the space where the extrusion section 411 is located is an approximately triangular space, and is the bifurcation point between good and defective products, in order to ensure that the detached bottle can stably act on the extrusion section 411 without interfering with the transport path of good products on the second star wheel 12 and defective products on the first star wheel 11, the extrusion section 411 is designed as a triangular structure, so that its shape adapts to the space. Furthermore, since the extrusion section 411 is designed as a triangle with a pointed end, in order to reduce the contact damage of the pointed end to the detached bottle, the pointed end is inclined downward to reduce the height of the pointed end, so that the detached bottle can contact the plane as much as possible, thereby causing the extrusion section 411 and the drive plate to move.

[0045] Specifically, in this embodiment, the first star wheel 11 and the second star wheel 12 also have corresponding first transfer rails 5 and second transfer rails 6. The first transfer rails 5 and the second transfer rails 6 are mounted on the frame 100, wherein the portion where the first transfer rails 5 and the second transfer rails 6 are located is the position where the first star wheel 11 and the second star wheel 12 perform transfer operations, such as... Figure 1 As shown, the first star wheel 11 rotates counterclockwise, and the second star wheel 12 rotates clockwise. Therefore, the first transfer guide rail 5 is located at the lower half of the first star wheel 11, extending to the transfer connection point, while the second transfer guide rail 6 is located at the upper half of the second star wheel 12. Correspondingly, the transfer assembly 1 also includes a third star wheel 13. Because the bottle inlet direction of the capping process in the entire capping machine is horizontal to the right, in order to ensure that the bottle outlet direction of the transfer mechanism is consistent with the bottle inlet direction, so that the entire capping machine is set horizontally and left-right to form a production chain and facilitate operation by the operator, the transfer assembly 1 also includes a third star wheel 13. The third star wheel 13 works in conjunction with the second star wheel 12, and the two rotate in opposite directions, thereby transferring the bottle from the second star wheel 12 and transferring the bottle horizontally to the right.

[0046] Specifically, the third star wheel 13 is equipped with a corresponding third transfer rail 7, which is located on the lower left side of the third star wheel 13. After the bottle is transferred from the second star wheel 12, it moves horizontally to the right and enters the transport channel 10 after a quarter of the circumference. Moreover, due to the presence of the third transfer rail 7, the bottle inlet end of the third transfer rail 7 is located outside the junction point between the third star wheel 13 and the second star wheel 12, and above the second star wheel 12. Therefore, at the junction point, once the bottle on the second star wheel 12 loses its suction force, the bottle will naturally enter the mounting slot 45 of the third star wheel 13 due to the action of the third transfer rail 7, and enter the subsequent transport channel 10 under the limit of the third transfer rail 7. Thus, the transfer slot on the third star wheel 13 does not need to be equipped with an air passage and a nozzle, but only the transfer slot needs to be set, thereby saving the manufacturing cost of the third star wheel 13.

[0047] In this embodiment, the second transfer guide rail 6 is horizontally spaced with support plates 8 on the outer side wall of the first star wheel 11, forming a bottle inlet channel 9. The extrusion part 411 can move relative to the second transfer guide rail 6 and is located in the triangular space between the second star wheel 12 and the first star wheel 11. Therefore, the extrusion part 411 is located at the bottle inlet end of the second transfer guide rail 6 to form the bottle inlet end of the second transfer guide rail 6. Thus, the two side walls of the extrusion part 411 respectively form the bottle inlet side wall of the bottle inlet channel 9 and the bottle inlet side wall of the second transfer guide rail 6, making the arrangement of the extrusion part 411, the second transfer guide rail 6 and the bottle inlet channel 9 more compact. Correspondingly, the entire upper drive plate 41, excluding the part of the extrusion part 411, is slidably disposed in the sliding groove opened on the lower side wall of the second transfer guide rail 6, and the movement of the two does not interfere with each other.

[0048] A capping machine is also disclosed in a specific embodiment of this utility model, including the above-mentioned transfer mechanism, which can detect whether the carrier bottle after capping has an aluminum cap, and at the same time ensure the stability and safety of the subsequent transfer process.

[0049] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A transfer mechanism, mounted on the frame of a capping machine, characterized in that, include: The transfer assembly includes a first star wheel and a second star wheel that are connected to the drive device and rotate in opposite directions. There is a transfer handover point between the two. The carrier bottle transferred by the first star wheel can be transferred to the second star wheel at the transfer handover point for further transfer. A defective product placement box is located outside the first star wheel, and there is a bottle guide channel between the two for storing defective products; The defective product detection component has its detection end located above the first star wheel and upstream of the transfer handover point. It is used to detect whether the capped bottle is defective. If the bottle is defective, it will not be transferred at the transfer handover point and will be transported to the bottle guide channel by the first star wheel. If the bottle is good, it will be transferred at the transfer handover point and will continue to be transported by the second star wheel. The extrusion detection assembly has an extrusion section, which is disposed in the triangular space formed by the outer walls of the first star wheel and the second star wheel, and is located downstream of the transfer junction point; The compression detection component is electrically connected to the drive device so that when the bottle fails to be successfully transferred at the transfer junction and falls off, and the compression part is compressed by the fallen bottle, the drive device stops, thereby stopping the rotation of the transfer component.

2. The transfer mechanism according to claim 1, characterized in that, The extrusion detection assembly includes a drive plate, a reset component, and a detection component; The drive plate slides on the frame, and the extrusion section is located at the end of the drive plate near the transfer junction point. The reset component is located between the frame and the drive plate. The drive plate can move away from the transfer junction point under the pressure of the detached bottle, and can move back to its original position after the pressure is released by the reset component. The detection component is mounted on the frame and electrically connected to the drive device so that when the drive plate moves away from the transfer junction point, the drive device stops, thereby stopping the transfer assembly from rotating.

3. The transfer mechanism according to claim 2, characterized in that, The drive plate includes an upper drive plate and a lower drive plate. The extrusion part is set at the end of the upper drive plate near the transfer junction point, and the end away from the transfer junction point is fixedly connected to the lower drive plate. The lower drive plate has a mounting groove at the end away from the transfer junction point, and the frame has a threaded groove at the corresponding location. The end of the bolt group passes through the bottom of the mounting groove and is connected to the threaded groove. The reset member is located in the mounting groove and is sleeved on the outer periphery of the shank of the bolt group, and is located between the bottom of the mounting groove and the end of the bolt group. The bolt group can slide relative to the mounting groove.

4. The transfer mechanism according to claim 3, characterized in that, The lower drive plate has a metal rod on its lower side wall, and the detection end of the detection element is positioned facing the metal rod to detect the distance between the detection element and the metal rod.

5. The transfer mechanism according to claim 1, characterized in that, The extrusion section is configured as a triangular structure, with its upper end near the transfer junction angled downwards.

6. The transfer mechanism according to any one of claims 1-5, characterized in that, The first star wheel and the second star wheel have corresponding first transfer guard rails and second transfer guard rails, both of which are mounted on the frame.

7. The transfer mechanism according to claim 6, characterized in that, The transfer assembly also includes a third star wheel, which rotates in the opposite direction to the second star wheel, so that the discharge direction of the carrier bottle is consistent with the feed direction.

8. The transfer mechanism according to claim 7, characterized in that, The third star wheel is provided with a corresponding third transfer rail, and the bottle inlet end of the third transfer rail is located outside the junction of the third star wheel and the second star wheel, and above the second star wheel. The third star wheel does not have an air passage or a nozzle.

9. The transfer mechanism according to claim 6, characterized in that, The extrusion section is located at the bottle inlet end of the second transfer rail, and the drive plate where the extrusion section is located is slidably disposed in the sliding groove provided on the lower side wall of the second transfer rail; The two side walls of the extrusion section respectively form the bottle inlet side wall of the bottle guide channel and the bottle inlet side wall of the second transfer guide rail.

10. A capping machine, characterized in that, Includes the transfer mechanism described in any one of claims 1-9.

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