Filling cap screwing machine

Abstract

The invention relates to the technical field of filling and sealing machines, in particular to a filling and cap screwing machine which comprises a conveying module used for conveying a bottle placing mold, the conveying module is provided with a filling module and a cap screwing module in the conveying direction of the conveying module, bottle placing stations are arranged on the bottle placing mold at intervals, and a cap placing station is arranged between the bottle placing stations. The cap screwing module comprises a cap screwing mechanism capable of ascending and descending; by means of the cap screwing module and the filling module, cap screwing, filling and cap screwing operation can be achieved, the structure is simple, the cost is low, and the working efficiency is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of packaging, in particular to a filling and capping machine. Background Art

[0002] The application number is CN202222936330.4, which is a cryopreservation tube filling machine with automatic screw-on caps. The cap removal and cap screwing adopt two sets of mechanisms respectively, and the structure is complicated. A cap screwing and filling machine including an electric control box and a track platform arranged in parallel with the cap screwing and filling machine is disclosed; the track platform is provided with a mold for placing packaging materials, and the track platform and the cap screwing and filling machine are both controlled and connected to the electric control box; the tube cap is clamped by setting a clamping claw cylinder to hold the tube cap, and the clamping claw cylinder is directly exposed to the external environment. Once gas leakage occurs, it will cause liquid medicine contamination. Summary of the invention

[0003] The technical problem to be solved by the present invention is that in the process of removing and screwing the cap on the packaging material, multiple capping heads are required, which makes the overall structure complicated, and the leakage of the clamping jaws causes the drug solution to be contaminated.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] Firstly, a filling and capping machine is provided, comprising a conveying module for conveying a bottle placing mould, wherein the conveying module is provided with a filling module and a capping module along its conveying direction, bottle placing stations are arranged at intervals on the bottle placing mould, cap placing stations are arranged between the bottle placing stations, and the capping module comprises a capping mechanism that can be raised and lowered.

[0006] The present invention transports the bottle placing mold to move back and forth between the filling module and the capping module through the conveying module, so that the operations of capping, filling and capping are compact in overall structure layout and have a wide range of applications.

[0007] Furthermore, the capping mechanism includes a sleeve, a capping head is installed at one end of the sleeve, and a transmission shaft is provided at the other end. A cylinder is provided in the sleeve, and the working end of the cylinder extends into the capping head. The transmission shaft is connected to a lifting motor and a capping motor.

[0008] The cylinder is used to push out the tube cap squeezed into the screw capping head, ensuring that the screw capping head will not bring up the tube cap and the bottle during the rising process, so that the device can be used more effectively.

[0009] Furthermore, the capping module further comprises a shell, a transmission assembly is arranged in the shell, the transmission shaft is connected to the transmission assembly, and the transmission assembly is connected to the capping motor.

[0010] The transmission component serves as an intermediate transmission component to ensure that the power of the motor can be smoothly transmitted to the capping head.

[0011] Furthermore, the lifting motor is connected to a lifting drive shaft, and the lifting drive shaft is connected to the housing.

[0012] The extension and retraction of the lifting drive shaft can drive the shell to move up and down.

[0013] Furthermore, the transmission assembly includes a driving shaft and a driven shaft, the driving shaft is provided with a driving synchronous wheel, the driven shaft is provided with a driven synchronous wheel, the driving synchronous wheel and the driven synchronous wheel are connected through a synchronous belt, the cap rotating motor is connected to the driving shaft, and a coaxially arranged transmission shaft is passed through the end face of the driven shaft.

[0014] Furthermore, a torque limiter is installed between the driving shaft and the driving synchronous wheel.

[0015] The torque limiter can be used to prevent the capping head from damaging the tube cap and the bottle when the torque is too large, so that the device has higher safety performance and better use effect.

[0016] Furthermore, a spring is arranged between the transmission shaft and the driven shaft.

[0017] The spring is used to provide a certain buffer space between the transmission shaft and the driven shaft to prevent the capping head from crushing the cap and the bottle, thereby improving the safety of the device.

[0018] Furthermore, it also includes a table top, on which a conveying module, a filling module and a capping module are arranged.

[0019] Furthermore, the filling module comprises a filling pump, and the filling pump is connected to a filling needle.

[0020] Furthermore, a weighing module is provided in the filling module.

[0021] The present invention has the following beneficial effects:

[0022] 1. The overall structure of the present invention is reasonable in layout, which can reduce repeated actions, thereby reducing the use of drive motors and their transmission structures, and has a simple structure and is more economical;

[0023] Second, the pipe cover can be effectively pushed out by using the cylinder, and the cylinder is placed inside the sleeve. When gas leaks from the cylinder, the medicine liquid will not be contaminated, and a certain protective effect is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0025] Figure 1 It is a structural layout diagram of this embodiment;

[0026] Figure 2 This is a schematic diagram of the structure of the capping module of this embodiment;

[0027] Figure 3 2 is a cross-sectional view of the screw cap module of this embodiment. DETAILED DESCRIPTION

[0028] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0029] It should be noted that all directional indications in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between various components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0030] In addition, in the present invention, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" 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 a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] The present invention provides a filling and capping machine, such as Figure 1As shown, it includes a table 70, wherein a conveying module 20 is arranged on the table 70, and a filling module 30 and a capping module 40 are sequentially arranged on the table 70 along the conveying direction of the conveying module 20, wherein a bottle placing mold 10 is transported on the conveying module 20, and bottle placing stations are arranged at intervals on the bottle placing mold 10, and the bottle placing stations fix the bottles, and capping stations are arranged between the bottle placing stations.

[0033] During use of this embodiment, the bottle and the tube cap are screwed together. First, the bottle is placed on the bottle placement mold 10, and then the conveying module 20 transports the bottle to the screw cap module 40. At this time, the screw cap module 40 unscrews the tube cap on the bottle, and then the conveying module 20 transports the bottle with the unscrewed tube cap to the filling module 30 for filling. At the same time, the tube cap continues to be held by the screw cap module 40, which ensures that the inner wall of the tube cap is always in a sterile wind environment after it is unscrewed, and the risk of contamination of the tube cap can be effectively avoided. After the filling is completed, the conveying module 20 transports the bottle to the screw cap module 40 again, and then the screw cap module 40 screws the tube cap back on and transports it to the next process.

[0034] In other embodiments, there is a situation where the bottle and the tube cap are separated, wherein the bottle is placed in the bottle placing station and the tube cap is placed in the cap placing station. At this time, the bottle is filled first, and the conveying module 20 transports the bottle placing mold 10 to the capping module 40. The capping module 40 takes the tube cap and screws it onto the corresponding bottle, and then transports it to the next process.

[0035] like Figure 2 and Figure 3 As shown, the capping module 40 includes a shell 42, a driving shaft 61 and a driven shaft 62 are provided on the shell 42, a capping head 41 is provided on the driven shaft 62, a driving synchronous wheel 64 is mounted on the driving shaft 61, a driven synchronous wheel 65 is mounted on the driven shaft 62, the driving synchronous wheel 64 and the driven synchronous wheel 65 are connected by a synchronous belt 63, a capping motor 60 is connected to the driving shaft 61, the capping motor 60 drives the driving shaft 61 to rotate, and then drives the driven shaft 62 to rotate through the driving synchronous wheel 64, the synchronous belt 63 and the driven synchronous wheel 65, thereby driving the capping head 41 to rotate, the capping head 41 can rotate to screw off the tube cap, and can screw the tube cap onto the bottle by rotating in the opposite direction.

[0036] In order to prevent the tube cover from being damaged due to excessive torque, a torque limiter 66 is installed between the driving shaft 61 and the driving synchronous wheel 64. When the torque is too large, the transmission of the torque can be stopped, thereby more effectively protecting the tube cover and the bottle, making the use of the device more stable and reliable, and having a better effect.

[0037] Specifically, in order to make the capping process more stable and smooth, a coaxially arranged transmission shaft 67 is passed through the end face of the driven shaft 62, a sleeve 43 is installed on the end face of the transmission shaft 67, and a capping head 41 is installed on the end of the sleeve 43. In this embodiment, the driven shaft 62 and the transmission shaft 67 can be connected by a pin key, so that when the driven shaft 62 rotates, the transmission shaft 67 is driven to rotate, and the rotation of the transmission shaft 67 drives the sleeve 43 to rotate. The rotation of the sleeve 43 can drive the capping head 41 to rotate, thereby completing the capping operation.

[0038] Since the capping head 41 needs to move up and down during the capping process, in order to achieve the up and down movement of the capping head 41, in this embodiment, a lifting drive shaft 51 is connected to the shell 42, and the lifting drive shaft 51 can be extended and retracted to drive the shell 42 to move up and down, thereby achieving the up and down movement of the capping head 41.

[0039] Specifically, the lifting drive shaft 51 is connected to the lifting motor 50, and the lifting motor 50 provides power to the lifting drive shaft 51 to extend and retract. In order to make the overall structure more compact, the lifting drive shaft 51 is hollow inside, and the driving shaft 61 is coaxially arranged with the lifting drive shaft 51. Due to the error in the height of the bottle during actual use, in order to ensure that the capping head 41 can adapt to different bottles, the driven shaft 62 and the transmission shaft 67 are connected by a spring 68. In the process of the capping head 41 moving up and down, the spring 68 has a certain buffer space. When the lifting drive shaft 51 is extended and retracted excessively, it can also ensure that the capping head 41 can be stably mounted on the tube cap without crushing the bottle, so that the device can be used more effectively.

[0040] In the present embodiment, the screw capping head 41 is made of PU soft material, and the lower part of the screw capping head is open. During use, the screw capping head is deformed by pressing downward to hold the tube cap. At this time, the tube cap is in close contact with the screw capping head 41. At this time, when the screw capping head 41 rotates, it can drive the tube cap to rotate and screw the tube cap onto the cryopreservation tube. When the screw capping head 41 rises, in order to prevent the tube cap and the bottle from being lifted up together, a cylinder 44 is provided in the sleeve 43, and the working end of the cylinder 44 extends into the screw capping head 41. Therefore, before the screw capping head 41 rises, the cylinder 44 extends to push the tube cap out of the screw capping head 41, so that the screw capping head 41 will not lift up the tube cap and the bottle when it rises.

[0041] Furthermore, the screw capping head 41 adopts a quick-release structure, and different tube caps can be adapted by replacing different screw capping heads 41, so that the application range of the device is wider, and it is also convenient to clean and sterilize the tube capping head 41.

[0042] In this embodiment, the filling module 30 includes a filling pump 31, which is connected to a filling needle 32. The filling pump 31 provides power to transport the liquid into the bottle through the filling needle 32. In order to ensure that the weight of the liquid in each bottle is consistent, a weighing module 33 is also provided in the filling module 30.

[0043] It should be understood that the above description of the specific embodiments of the present invention is only for illustrating the technical route and features of the present invention, and its purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly, but the present invention is not limited to the above specific implementation methods. Any changes or modifications made within the scope of the claims of the present invention should be included in the protection scope of the present invention.

Claims

1. A filling and capping machine, characterized in that: The invention comprises a conveying module (20) for conveying a bottle placing mould (10), wherein the conveying module (20) is provided with a filling module (30) and a capping module (40) along its conveying direction, wherein bottle placing stations are arranged at intervals on the bottle placing mould (10), capping stations are arranged between the bottle placing stations, and the capping module (40) comprises a capping mechanism that can be raised and lowered.

2. A filling and capping machine according to claim 1, characterized in that: The capping mechanism comprises a sleeve (43), one end of which is mounted with a capping head (41), and the other end of which is provided with a transmission shaft (67), a cylinder (44) is provided in the sleeve (43), a working end of the cylinder (44) extends into the capping head (41), and the transmission shaft (67) is connected with a lifting motor (50) and a capping motor (60).

3. A filling and capping machine according to claim 2, characterized in that: The capping module (40) further comprises a housing (42), a transmission assembly is arranged in the housing (42), the transmission shaft (67) is connected to the transmission assembly, and the transmission assembly is connected to the capping motor (60).

4. A filling and capping machine according to claim 3, characterized in that: The lifting motor (50) is connected to a lifting drive shaft (51), and the lifting drive shaft (51) is connected to the housing (42).

5. A filling and capping machine according to claim 4, characterized in that: The transmission assembly comprises a driving shaft (61) and a driven shaft (62); the driving shaft (61) is provided with a driving synchronous wheel (64); the driven shaft (62) is provided with a driven synchronous wheel (65); the driving synchronous wheel (64) and the driven synchronous wheel (65) are connected via a synchronous belt (63); the cap rotating motor (60) is connected to the driving shaft (62); and a coaxially arranged transmission shaft (67) is passed through the end surface of the driven shaft (62).

6. A filling and capping machine according to claim 5, characterized in that: A torque limiter (66) is installed between the driving shaft (61) and the driving synchronous wheel (64).

7. The filling and capping machine according to claim 5, characterized in that: A spring (68) is arranged between the transmission shaft (67) and the driven shaft (62).

8. The filling and capping machine according to claim 1, characterized in that: It also comprises a table top (70), on which a conveying module (20), a filling module (30) and a capping module (40) are arranged.

9. The filling and capping machine according to claim 1, characterized in that: The filling module (30) comprises a filling pump (31), and the filling pump (31) is connected to a filling needle (32).

10. The filling and capping machine according to claim 9, characterized in that: A weighing module (33) is arranged in the filling module (30).

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