A filling head for a filling machine

Abstract

The application discloses a filling head for a filling machine, and belongs to the technical field of filling devices.The filling head comprises a filling head main body, a filling nozzle arranged at one end of the filling head main body, a fixing ring fixed on the filling head main body, a conical cover arranged on the lower side of the fixing ring, a bottom ring fixed on the lower end of the conical cover, a guide rod fixedly arranged on the bottom ring, the guide rod extending upwards and penetrating through the fixing ring at one end, and a leakage receiving plate in sliding cooperation with a slot.The filling head for the filling machine has the beneficial effects that the conical cover is provided, the conical cover is of a conical structure, the conical structure can position a container when the filling head main body moves downwards, the filling nozzle can be accurately inserted into the container, and the two leakage receiving plates are provided, the filling nozzle dripping liquid is blocked by the two leakage receiving plates, and the liquid is prevented from dripping to the outside and causing pollution.

Description

Technical Field

[0001] This application relates to the field of filling device technology, and more specifically, to a filling head for a filling machine. Background Technology

[0002] Filling machines are indispensable equipment in the modern packaging industry, used to accurately fill liquids, powders, or granular substances into various containers. One of the core components of a filling machine is the filling head, which is responsible for directly contacting the material to be filled and accurately controlling the flow of the material into the container. Existing liquid filling machines generally fill the packaging by bringing the filling head close to or inserting it into the packaging head, as shown in the patent document disclosed in CN222476168U. However, this method has drawbacks: after filling, liquid can easily drip from the filling head, polluting the environment. Furthermore, dust and other contaminants in the environment can easily adhere to the filling head and cause contamination as the filling head extends into the container.

[0003] Therefore, a filling head for filling machines is needed to solve the above problems. Utility Model Content

[0004] The summary section of this application is intended to provide a brief overview of the concepts, which will be described in detail in the detailed description section below. This summary section is not intended to identify key or essential features of the claimed technical solutions, nor is it intended to limit the scope of the claimed technical solutions.

[0005] To address the technical problems mentioned in the background section, some embodiments of this application provide a filling head for a filling machine, comprising: a filling head body, one end of which is connected to a material pipe via a connecting flange, the material pipe conveying incoming material to the filling head body; a filling nozzle, disposed at one end of the filling head body, having a tubular structure and extending into a container; a fixing ring, fixed to the filling head body; a conical shroud, disposed below the fixing ring, located at the end of the filling nozzle, the horizontal cross-sectional area of ​​the conical shroud gradually increasing downwards; a bottom ring, fixed to the lower end of the conical shroud; a guide rod, fixedly disposed on the bottom ring, the guide rod extending upwards and one end passing through the fixing ring, the guide rod slidingly engaging with the fixing ring; a first spring, disposed between the bottom ring and the fixing ring, both ends respectively fixed to the bottom ring and the fixing ring; a slot, having two opposing sets of slots formed on the side wall of the conical shroud; and two drip plates, slidingly engaging with the slots, one end of the two drip plates abutting against each other and located at the lower end of the filling nozzle, blocking liquid dripping from the filling nozzle.

[0006] The conical hood, with its conical structure, positions the container as the filling head moves downwards, ensuring the filling nozzle is accurately inserted into the container. Simultaneously, two drip plates work together to block liquid dripping from the filling nozzle, preventing it from spilling onto the outside and causing contamination.

[0007] Furthermore, a sliding disc is slidably connected to the material pipe between the fixed ring and the conical cover. A second spring is connected between the sliding disc and the fixed ring. The two ends of the second spring are fixed to the fixed ring and the conical cover respectively. A hinge rod is hinged to the sliding disc. A hinge joint is fixedly connected to the drain plate. One end of the hinge rod is hinged to the hinge joint.

[0008] With the guide rod in place, when the filling head body moves downward, the two spout plates move under the action of the hinge rod, causing the two spout plates to separate and the filling nozzle to be inserted into the container.

[0009] Furthermore, a fixing rod is fixedly connected to the conical cover, and a guide protrusion is fixedly connected to the drain plate. One end of the fixing rod passes through the guide protrusion and slides in cooperation with the guide protrusion.

[0010] The connecting plate is guided by a fixed rod.

[0011] Furthermore, a first retaining ring is fixedly connected to the upper end of the guide rod, and the first retaining ring is located on the upper side of the fixed ring.

[0012] The first retaining ring prevents the guide rod from detaching from the retaining ring.

[0013] Furthermore, a second retaining ring is fixedly connected to one end of the fixing rod, and a return spring is connected between the guide protrusion and the second retaining ring. The two ends of the return spring are fixedly connected to the guide protrusion and the second retaining ring, respectively.

[0014] With the second retaining ring and the return spring, when the filling head body moves upward, the leak-collecting plate can return to its initial position under the action of the return spring.

[0015] Furthermore, a liquid storage tank is provided on the upper surface of the leak receiving plate, a leakage hole is provided on the bottom wall of the liquid storage tank, a sealing block for sealing the leakage hole is provided on the conical cover, and a collection tank located on the lower side of the slot is fixedly provided on the conical cover.

[0016] The liquid storage tank allows blocked liquid to collect within it. Simultaneously, the leaking hole and sealing block prevent liquid from flowing out when the two leaking plates come together to block the flow. When the two leaking plates separate, the sealing block does not block the leaking hole, allowing the liquid to flow into the collection tank.

[0017] Furthermore, an annular groove is provided on the conical cover, an absorbent sponge is placed in the annular groove, a cover plate is provided at the upper end of the annular groove, the cover plate is fixed to the conical cover by screws, and an abutment ring for pushing the absorbent sponge close to the side wall of the filling nozzle is fixedly connected to the cover plate.

[0018] With the help of the annular groove and the absorbent sponge, the filling nozzle moves relative to the conical cover when the filling head moves up and down. This allows the absorbent sponge to wipe the side wall of the filling nozzle, preventing impurities on the surface of the filling nozzle from entering the container and causing contamination.

[0019] Furthermore, two leak-collecting plates are provided with sealing strips at one end, and the two sealing strips abut against each other to seal.

[0020] With the sealing strips in place, when the two leak-proof plates come close to each other to block the liquid, the two sealing strips abut against each other to seal and prevent the liquid from leaking out.

[0021] The beneficial effects of this application are as follows:

[0022] 1. The conical hood, with its conical structure, positions the container as the filling head moves downwards, ensuring the filling nozzle is accurately inserted into the container. Simultaneously, two drip plates work together to block liquid dripping from the filling nozzle, preventing contamination.

[0023] 2. The liquid storage tank allows blocked liquid to collect in the tank. At the same time, the leak hole and the sealing block prevent liquid from flowing out when the two leak receiving plates come together to block the flow. When the two leak receiving plates separate, the sealing block does not block the leak hole, allowing the liquid to flow into the collection tank.

[0024] 3. Through the set annular groove and absorbent sponge, when the filling head body moves up and down, the filling nozzle will move relative to the conical cover, which will cause the absorbent sponge to wipe the side wall of the filling nozzle, preventing impurities on the surface of the filling nozzle from entering the container and causing contamination. Attached Figure Description

[0025] The accompanying drawings, which form part of this application, are used to provide a further understanding of the application and to make other features, objects, and advantages of the application more apparent. The illustrative embodiments and descriptions of this application are used to explain the application and do not constitute an undue limitation of the application.

[0026] Furthermore, throughout the accompanying drawings, the same or similar reference numerals denote the same or similar elements. It should be understood that the drawings are schematic, and the elements are not necessarily drawn to scale.

[0027] In the attached diagram:

[0028] Figure 1 This is an overall schematic diagram according to one embodiment of the present application;

[0029] Figure 2 yes Figure 1 A cross-sectional view of the conical cover in the embodiment;

[0030] Figure 3 yes Figure 2 A magnified view of a portion of point A;

[0031] Figure 4 yes Figure 1 The installation diagram of the fixing rod in the embodiment is shown below;

[0032] Figure 5 yes Figure 1 The installation diagram of the leak-proof plate in the embodiment is shown below;

[0033] Figure 6 yes Figure 1 The diagram shows the structure with slots in the embodiment.

[0034] Figure label:

[0035] 10. Filling head body; 11. Material pipe; 12. Connecting flange; 13. Filling nozzle; 14. Conical cover; 15. Fixing ring; 16. Bottom ring; 17. Guide rod; 18. First spring; 19. First retaining ring; 20. Groove; 21. Leak receiving plate; 22. Liquid storage tank; 23. Guide protrusion; 24. Fixing rod; 25. Return spring; 26. Second retaining ring; 27. Sliding disc; 28. Second spring; 29. ​​Hinge rod; 30. Hinge joint; 31. Leakage hole; 32. Sealing block; 33. Collection tank; 34. Sealing strip; 35. Cover plate; 36. Annular groove; 37. Abutment ring; 38. Absorbent sponge; 39. Screw. Detailed Implementation

[0036] Embodiments of this disclosure will now be described in more detail with reference to the accompanying drawings. While some embodiments of this disclosure are shown in the drawings, it should be understood that this disclosure can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of this disclosure. It should be understood that the accompanying drawings and embodiments of this disclosure are for illustrative purposes only and are not intended to limit the scope of protection of this disclosure.

[0037] It should also be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings. Unless otherwise specified, the embodiments and features described in this disclosure can be combined with each other.

[0038] It should be noted that the concepts of "first" and "second" mentioned in this disclosure are used only to distinguish different devices, modules or units, and are not used to limit the order of functions performed by these devices, modules or units or their interdependencies.

[0039] It should be noted that the terms "a" and "a plurality of" used in this disclosure are illustrative rather than restrictive, and those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".

[0040] This disclosure will now be described in detail with reference to the accompanying drawings and embodiments.

[0041] Reference Figure 1-6 A filling head for a filling machine includes: a filling head body 10, a feed pipe 11, a filling nozzle 13, a fixing ring 15, a conical cover 14, a bottom ring 16, a guide rod 17, a first spring 18, a slot 20, and a drip plate 21. One end of the filling head body 10 is connected to the feed pipe 11 via a connecting flange 12. The feed pipe 11 conveys the feed material to the filling head body 10. During filling, the container is located below the filling head body 10. The filling nozzle 13 is located at one end of the filling head body 10 and has a tubular structure. During filling, the filling nozzle 13 can extend into the container as the filling head body 10 moves downwards. The conical cover 14 is located below the fixing ring 15, at the end of the filling nozzle 13, and its horizontal cross-sectional area gradually increases downwards. When the filling head body 10 moves downward, the conical cover 14 abuts against the container and aligns the container with the filling nozzle 13 through the conical structure. The filling head body 10 continues to move downward, causing the filling nozzle 13 to extend into the container. After the conical cover 14 abuts against the container, it stops moving downward. The bottom ring 16 is fixed to the lower end of the conical cover 14 and abuts against the container surface for support. The guide rod 17 is fixedly mounted on the bottom ring 16, extending upward and passing through the fixing ring 15 at one end. The guide rod 17 and the fixing ring 15 are in sliding engagement. A first retaining ring 19 is fixedly connected to the upper end of the guide rod 17, located above the fixing ring 15. The guide rod 17 guides the conical cover 14, causing it to move up and down along the axis of the guide rod 17. The first spring 18 is disposed between the bottom ring 16 and the fixed ring 15, with its two ends fixed to the bottom ring 16 and the fixed ring 15 respectively. When the filling head body 10 moves downward, the bottom ring 16 abuts against the surface of the container. When the filling head body 10 continues to move downward, the first spring 18 will be compressed.

[0042] The slot 20 has two sets of opposing oil drip plates 21 on the side wall of the conical cover 14. The two drip plates 21 have a first state of being close to each other and a second state of being separated from each other. When in the first state, the two drip plates 21 are located below the filling nozzle 13 and can block the liquid dripping from the filling nozzle 13. When in the second state, the two drip plates 21 are no longer located below the filling nozzle 13, thus avoiding obstruction of the filling nozzle 13.

[0043] A sliding disc 27 is slidably connected to the feed pipe 11 between the fixed ring 15 and the conical cover 14. A second spring 28 is connected between the sliding disc 27 and the fixed ring 15, with both ends of the second spring 28 fixed to the fixed ring 15 and the conical cover 14, respectively. A hinge rod 29 is hinged to the sliding disc 27, and a hinge joint 30 is fixedly connected to the drip plate 21. One end of the hinge rod 29 is hinged to the hinge joint 30. When the filling head body 10 moves downward, the bottom ring 16 will first contact the container. At this time, the sliding disc 27 will not move. Then, under the action of the hinge rod 29, the two drip plates 21 will move from the first state to the second state. Then, the filling head body 10 continues to move downward. At this time, the sliding disc 27 abuts against the conical cover 14, which causes the guide rod 17 to slide on the filling nozzle 13 and compress the second spring 28.

[0044] A fixing rod 24 is fixedly connected to the conical cover 14, and a guide protrusion 23 is fixedly connected to the receiving plate 21. One end of the fixing rod 24 passes through the guide protrusion 23 and slides in engagement with it. A second retaining ring 26 is fixedly connected to one end of the fixing rod 24. A return spring 25 is connected between the guide protrusion 23 and the second retaining ring 26, with both ends of the return spring 25 fixedly connected to the guide protrusion 23 and the second retaining ring 26, respectively. The fixing rod 24 guides the receiving plate 21.

[0045] A liquid storage tank 22 is provided on the upper surface of the drip plate 21, and a leakage hole 31 is provided on the bottom wall of the liquid storage tank 22. A sealing block 32 for sealing the leakage hole 31 is provided on the conical cover 14, and a collection tank 33 located below the slot 20 is fixedly provided on the conical cover 14. The liquid dripping from the filling nozzle 13 collects in the liquid storage tank 22. When the two drip plates 21 are in the first state, the sealing block 32 is located at the leakage hole 31 and seals the leakage hole 31. When the two drip plates 21 move to the second state, the sealing block 32 no longer seals the leakage hole 31. At this time, the liquid in the liquid storage tank 22 flows out through the leakage hole 31 into the collection tank 33.

[0046] An annular groove 36 is formed on the conical cover 14, and an absorbent sponge 38 is placed inside the annular groove 36. A cover plate 35 is provided at the upper end of the annular groove 36, and the cover plate 35 is fixed to the conical cover 14 by screws 39. An abutment ring 37 is fixedly connected to the cover plate 35 for pushing the absorbent sponge 38 close to the side wall of the filling nozzle 13. When the filling nozzle 13 and the conical cover 14 move relative to each other, the absorbent sponge 38 wipes the side of the filling nozzle 13 to prevent impurities on the surface of the filling nozzle 13 from entering the container and causing contamination. At the same time, the abutment ring 37 has a conical annular surface, which can squeeze the absorbent sponge 38 close to the side wall of the filling nozzle 13 when the cover plate 35 is installed, ensuring the wiping effect.

[0047] Working process or usage method:

[0048] 1. During filling, the filling head body 10 moves downwards, and the bottom ring 16 abuts against the container surface for support. At this time, the sliding plate 27 does not move, and under the action of the hinge rod 29, the two drip plates 21 move from the first state to the second state. Then, the filling head body 10 continues to move downwards, and the sliding plate 27 abuts against the conical cover 14, causing the guide rod 17 to slide on the filling nozzle 13 and compress the second spring 28, so that the filling nozzle 13 extends into the container for filling.

[0049] 2. After filling is completed, the filling head body 10 moves upward to the initial position. At this time, the two drip-collecting plates 21 return to the first state under the action of the return spring 25. At this time, they can block the liquid dripping from the filling nozzle 13 and collect it into the liquid storage tank 22. When filling again, when the drip-collecting plates 21 move to the second state, the liquid in the liquid storage tank 22 can flow into the collection tank 33 through the leakage hole 31.

[0050] 3. While the conical cover 14 and the filling nozzle 13 are moving relative to each other, the adsorption sponge 38 wipes the surface of the filling nozzle 13. When the adsorption sponge 38 needs to be replaced, the cover plate 35 can be removed by screw 39 for easy replacement.

[0051] The above description is merely a selection of preferred embodiments of this disclosure and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the invention involved in the embodiments of this disclosure is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the above-described inventive concept. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features with similar functions disclosed in the embodiments of this disclosure.

Claims

1. A filling head for a filling machine, characterized in that... ,include: The filling head body (10) has a material pipe (11) connected to one end of the filling head body (10) via a connecting flange (12), and the material pipe (11) transports the material to the filling head body (10). The filling nozzle (13) is located at one end of the filling head body (10), and is a tubular structure for extending into the container; A fixing ring (15) is fixed on the filling head body (10); A conical shroud (14) is set below the fixing ring (15) and located at the end of the filling nozzle (13). The horizontal cross-sectional area of ​​the conical shroud (14) gradually increases downward. The bottom ring (16) is fixed to the lower end of the conical cover (14); The guide rod (17) is fixedly mounted on the bottom ring (16). The guide rod (17) extends upward and one end passes through the fixed ring (15). The guide rod (17) and the fixed ring (15) are in sliding fit. The first spring (18) is disposed between the bottom ring (16) and the fixed ring (15), with its two ends fixed to the bottom ring (16) and the fixed ring (15) respectively; A slot (20) is provided on the side wall of the conical cover (14), and two sets of slots are provided opposite to each other. The drip plate (21) slides in fit with the slot (20). The two drip plates (21) abut one end and are located at the lower end of the filling nozzle (13) to block the liquid dripping from the filling nozzle (13).

2. The filling head for a filling machine according to claim 1, characterized in that: A sliding disc (27) is slidably connected to the material pipe (11) between the fixed ring (15) and the conical cover (14). A second spring (28) is connected between the sliding disc (27) and the fixed ring (15). The two ends of the second spring (28) are respectively fixed to the fixed ring (15) and the conical cover (14). A hinge rod (29) is hinged to the sliding disc (27). A hinge joint (30) is fixedly connected to the drain plate (21). One end of the hinge rod (29) is hinged to the hinge joint (30).

3. A filling head for a filling machine according to claim 2, characterized in that: A fixing rod (24) is fixedly connected to the conical cover (14), and a guide protrusion (23) is fixedly connected to the drain plate (21). One end of the fixing rod (24) passes through the guide protrusion (23) and slides with the guide protrusion (23).

4. A filling head for a filling machine according to claim 3, characterized in that: The guide rod (17) is fixedly connected to a first retaining ring (19) at its upper end, and the first retaining ring (19) is located on the upper side of the fixed ring (15).

5. A filling head for a filling machine according to claim 4, characterized in that: One end of the fixed rod (24) is fixedly connected to a second retaining ring (26), and a return spring (25) is connected between the guide protrusion (23) and the second retaining ring (26). The two ends of the return spring (25) are fixedly connected to the guide protrusion (23) and the second retaining ring (26) respectively.

6. A filling head for a filling machine according to claim 5, characterized in that: The upper end face of the receiving plate (21) is provided with a liquid storage tank (22), the bottom wall of the liquid storage tank (22) is provided with a leakage hole (31), the conical cover (14) is provided with a sealing block (32) for sealing the leakage hole (31), and the conical cover (14) is fixedly provided with a collection tank (33) located on the lower side of the slot (20).

7. A filling head for a filling machine according to claim 6, characterized in that: The conical cover (14) has an annular groove (36) and an absorbent sponge (38) is placed inside the annular groove (36). A cover plate (35) is provided at the upper end of the annular groove (36). The cover plate (35) is fixed to the conical cover (14) by screws (39). An abutment ring (37) for pushing the absorbent sponge (38) close to the side wall of the filling nozzle (13) is fixedly connected to the cover plate (35).

8. A filling head for a filling machine according to claim 7, characterized in that: The two leak-collecting plates (21) are provided with sealing strips (34) at one end, and the two sealing strips (34) abut against each other to seal.

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