Filling head and filling machine

Abstract

The utility model discloses a filling head which comprises a bottle clamp, a bottle clamp supporting rod, a filling nozzle, a filling sealing plug, a lower valve seat, a piston rod, a measuring cup, a tensioning lead screw, an upper valve seat, a piston rod connecting seat, a compression spring and an air cylinder. The filling nozzle and the lower valve seat are fixed together through the filling sealing plug and the hoop, the middle of the filling nozzle and the lower valve seat are sealed through the sealing ring, the measuring cup is tightly pressed by tensioning the lower valve seat and the upper valve seat through the tensioning lead screw, the bottle clamp supporting rod is fixed to the upper valve seat through a bolt, and the bottle clamp is fixed to the bottle clamp supporting rod through a bolt and can be adjusted up and down; the cylinder is fixed on the upper valve seat, the piston rod connecting seat is provided with an external thread and is connected and fixed with an internal thread of the piston rod of the cylinder, the compression spring is arranged between the piston rod connecting seat and the cylinder, the compression spring pushes the piston rod connecting seat downwards under the action of elastic force, and the piston rod connected with the piston rod connecting seat also downwards seals the filling nozzle to prevent liquid from flowing out.

Description

Technical Field

[0001] The present application relates to the field of filling technology, and in particular to a filling head and a filling machine. Background Art

[0002] Filling machines are widely used in the food industry, beverage industry, daily chemical industry, etc. The competition in food packaging machinery is becoming increasingly fierce. In the future, food filling machinery will cooperate with industrial automation to promote the overall level of packaging equipment and develop multifunctional, high-efficiency, and low-consumption food packaging equipment. The domestic filling machine industry has also developed rapidly, and the technical level, equipment performance, and quality have been greatly improved, playing an important role in supporting enterprises to produce efficiently and safely. However, the filling head of the existing filling machine cannot realize automatic filling of liquids, and it is impossible to close the discharge port after automatic filling, resulting in technical problems such as material waste. Utility Model Content

[0003] In view of the technical problems existing in the above-mentioned prior art, the utility model provides a filling head and a filling machine.

[0004] According to one aspect of the present application, a filling head is provided, comprising: a bottle clamp, a bottle clamp support rod, a filling nozzle, a filling sealing plug, a lower valve seat, a piston rod, a measuring cup, a tensioning screw rod, an upper valve seat, a piston rod connecting seat, a compression spring, and a cylinder, wherein

[0005] The bottle to be filled is fixed by the bottle clamp, the center of the bottle mouth of the bottle to be filled is concentric with the center of the filling nozzle, the filling nozzle is fixed together with the lower valve seat through the filling sealing plug and the clamp, and there is a sealing ring in the middle, the measuring cup tightens the lower valve seat and the upper valve seat by tightening the screw rod to compress them, the bottle clamp support rod is fixed to the upper valve seat by bolts, the bottle clamp is fixed to the bottle clamp support rod by bolts, and the bottle clamp can be adjusted up and down;

[0006] The cylinder is fixed on the upper valve seat, and the piston rod connecting seat is provided with an outer thread which is connected and fixed with the inner thread of the cylinder piston rod. A compression spring is installed between the piston rod connecting seat and the cylinder. The compression spring pushes the piston rod connecting seat downward under the action of elastic force, and the piston rod connected to the piston rod connecting seat also seals downward so that the filling nozzle does not discharge liquid.

[0007] Optionally, a first measuring cup sealing ring and a second measuring cup sealing ring are respectively provided between the two ends of the measuring cup and the upper valve seat and the lower valve seat for sealing.

[0008] Optionally, the filling head also includes: a bellows sealing ring and a bellows sealing ring seat, wherein the upper end of the piston rod is equipped with a bellows sealing ring, the lower end of the bellows sealing ring is fixedly sealed with the piston rod, and the upper end is bolted and sealed with the bellows sealing ring seat to ensure that the liquid does not flow out.

[0009] Optionally, the filling head also includes: a piston rod guide plate, wherein the piston rod guide plate is fixed in the lower valve seat and has a hole in the center for the piston rod to move up and down, but limits the movement of the piston rod in other directions, ensuring that the filling sealing plug can completely block the wine filling hole of the filling nozzle.

[0010] Optionally, the filling head further comprises: a cylinder connecting rod, and the cylinder is fixed on the upper valve seat via the cylinder connecting rod.

[0011] Optionally, the piston rod and the piston rod connecting seat are connected via a slot.

[0012] Optionally, the filling head further comprises: a liquid inlet sealing plug arranged on the piston rod, for controlling closing or opening of the liquid flowing into the measuring cup.

[0013] Optionally, the filling head further comprises: a gas permeable liquid return pipe connected to the upper valve seat, wherein the gas permeable liquid return pipe is provided with an O-ring and inserted into the gas permeable hole of the upper valve seat.

[0014] Optionally, the filling head further includes: an identification plate, and the identification plate is used to identify the multiple filling heads.

[0015] According to another aspect of the present application, a filling machine is provided, comprising: a plurality of the filling heads described above.

[0016] Therefore, the present application provides a filling head. In the initial state of the filling head, the piston rod moves downward under the elastic force of the compression spring extending outward, so that the filling sealing plug is pressed against the filling nozzle, sealing the filling nozzle, and at the same time, the liquid inlet sealing plug moves downward and separates from the bottom surface of the upper valve seat, and the liquid flows into the measuring cup from the liquid inlet of the upper valve seat, so that the liquid fills the entire measuring cup. When the filling head is filling, the cylinder works, driving the piston rod connecting seat to move upward, thereby driving the piston rod to move upward, and the filling sealing plug and the liquid inlet sealing plug installed on the piston rod move upward at the same time, and the liquid inlet sealing plug contacts the bottom surface of the upper valve seat and compresses and seals the liquid flowing out of the liquid inlet A, and at the same time, the filling sealing plug moves upward and separates from the filling nozzle, and the liquid flows out from the filling nozzle and is filled into the bottle. After a certain period of time, the filling is completed, the cylinder stops working, the piston rod connection seat moves down under the action of the spring, and at the same time drives the piston rod to move down, the filling sealing plug connected to the piston rod moves down to seal the filling nozzle, and the liquid inlet sealing plug connected to the piston rod moves down to allow the liquid to flow into the measuring cup to replenish the liquid and wait for the next filling. In this way, automatic filling of the liquid is realized, and the discharge port is closed after automatic filling to prevent liquid leakage and avoid material waste.

[0017] Based on the detailed description of the specific embodiments of the present application in combination with the accompanying drawings below, those skilled in the art will become more aware of the above and other purposes, advantages and features of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Hereinafter, some specific embodiments of the present application will be described in detail in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:

[0019] Figure 1 is a schematic diagram of a filling head according to an embodiment of the present application;

[0020] Figure 2 yes Figure 1 A top view of the filling head shown;

[0021] Figure 3 is along Figure 2 A schematic cross-sectional view taken along the cutting line CC in FIG.

[0022] Figure 4 yes Figure 3 The cross-sectional view CC of the filling head in the refilling state is shown;

[0023] Figure 5 yes Figure 3 The filling head cross-section CC is shown in the filling state. DETAILED DESCRIPTION

[0024] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0026] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate, so as to describe the embodiments of the present invention described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0027] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0028] Figure 1 Schematic diagram of a filling head according to the first aspect of the present application. Figure 1 and Figure 2 As shown, the filling head includes: a bottle clamp 2, a bottle clamp support rod 3, a filling nozzle 4, a filling sealing plug 5, a lower valve seat 6, a piston rod 7, a measuring cup 8, a tensioning screw rod 9, an upper valve seat 11, a piston rod connecting seat 13, a compression spring 14, and a cylinder 15, wherein

[0029] The bottle 1 to be filled is fixed by the bottle clamp 2, the center of the bottle mouth of the bottle 1 to be filled is concentric with the center of the filling nozzle 4, the filling nozzle 4 is fixed together by the filling sealing plug 5 and the lower valve seat 6 through a clamp, and there is a sealing ring in the middle, the measuring cup 8 tightens the lower valve seat 6 and the upper valve seat 11 by tightening the screw rod 9 to compress them, the bottle clamp support rod 3 is fixed to the upper valve seat 11 by bolts, and the bottle clamp 2 is fixed to the bottle clamp support rod 3 by bolts, and the bottle clamp 2 can be adjusted up and down;

[0030] The cylinder 15 is fixed on the upper valve seat 11, and the piston rod connecting seat 13 is provided with an outer thread which is connected and fixed to the inner thread of the piston rod of the cylinder 15. A compression spring 14 is installed between the piston rod connecting seat 13 and the cylinder 15. The compression spring 14 pushes the piston rod connecting seat 13 downward under the action of elastic force, and the piston rod 7 connected to the piston rod connecting seat 13 also seals the filling nozzle 4 downward to prevent liquid from coming out.

[0031] Optionally, refer to Figure 3 As shown, a first measuring cup sealing ring 19 and a second measuring cup sealing ring 21 are respectively provided between the two ends of the measuring cup 8 and the upper valve seat 11 and the lower valve seat 6 for sealing.

[0032] Optionally, refer to Figure 3 As shown, the filling head also includes: a bellows seal 12 and a bellows seal seat 18, wherein the bellows seal 12 is mounted on the upper end of the piston rod 7, the lower end of the bellows seal 12 is fixedly sealed with the piston rod 7, and the upper end is bolted and sealed with the bellows seal seat 18 to ensure that the liquid does not flow out.

[0033] Optionally, refer to Figure 3As shown, the filling head also includes: a piston rod guide plate 20, wherein the piston rod guide plate 20 is fixed in the lower valve seat 6, and has a hole in the center for the piston rod 7 to move up and down, but limits the movement of the piston rod 7 in other directions, ensuring that the filling sealing plug 5 can completely block the wine filling hole of the filling nozzle 4.

[0034] Optionally, refer to Figure 3 As shown, the filling head further includes: a cylinder connecting rod 16 , and the cylinder 15 is fixed on the upper valve seat 11 via the cylinder connecting rod 16 .

[0035] Optionally, the piston rod 7 is connected to the piston rod connecting seat 13 via a slot.

[0036] Optionally, refer to Figure 1 As shown, the filling head further includes: a liquid inlet sealing plug 10 arranged on the piston rod 7, which is used to control the closing or opening of the liquid flowing into the measuring cup 8.

[0037] Optionally, refer to Figure 1 and Figure 3 As shown, the filling head further includes: a gas permeable liquid return pipe 22 connected to the upper valve seat 11 , and the gas permeable liquid return pipe 22 is equipped with an O-ring and inserted into the gas permeable hole of the upper valve seat 11 .

[0038] Optionally, refer to Figure 3 As shown, the filling head further includes: an identification plate 17, and the identification plate 17 is used to identify the multiple filling heads.

[0039] Specifically, the bottle 1 to be filled is fixed by the bottle clamp 2, the center of the bottle mouth is concentric with the center of the filling nozzle 4, the filling nozzle 4 and the lower valve seat 6 are fixed together by a clamp, and there is a sealing ring in the middle to facilitate disassembly and assembly. The measuring cup 8 tightens the lower valve seat 6 and the upper valve seat 11 by tightening the screw rod 9, and the first measuring cup sealing ring 19 and the second measuring cup sealing ring 21 are sealed between the two ends of the measuring cup 8 and the lower valve seat 6 and the upper valve seat 11. The bottle clamp support rod 3 is fixed to the upper valve seat 11 by bolts, and the bottle clamp 2 is fixed to the bottle clamp support rod 3 by bolts. The bottle clamp 2 can be fine-tuned up and down. The cylinder 15 is fixed on the upper valve seat 11 through the cylinder connecting rod 16. The piston rod connecting seat 13 has an outer thread and is connected and fixed to the inner thread of the piston rod of the cylinder 15. A compression spring 14 is installed between the piston rod connecting seats 13 and 15. The compression spring 14 pushes the piston rod connecting seat 13 downward under the action of elastic force, and the piston rod 7 connected to the piston rod connecting seat 13 also seals the filling nozzle 4 downward to prevent wine from flowing out. The piston rod 7 is connected to the piston rod connecting seat 13 through a slot. The piston rod 7 is equipped with a liquid inlet sealing plug 10, which can control the liquid flowing into the measuring cup 8 to close or open. The upper end of the piston rod 7 is equipped with a corrugated sealing ring 12. The lower end of the corrugated sealing ring 12 is fixedly sealed with the piston rod 7, and the upper end is pressed and sealed with the corrugated sealing ring seat 18 bolts to ensure that the liquid does not flow out. The piston rod guide plate 20 is fixed in the lower valve seat 6 and has a hole in the center for the piston rod 7 to move up and down, but restricts the piston rod 7 from moving in other directions, ensuring that the filling sealing plug 5 can completely block the wine filling hole of the filling nozzle 4.

[0040] Filling head working principle: reference Figure 4 As shown, in the initial state of the filling head, the piston rod 7 moves downward under the elastic force of the compression spring 14 extending outward, so that the filling sealing plug 5 is pressed against the filling nozzle 4 to seal the filling nozzle 4, and at the same time, the liquid inlet sealing plug 10 moves downward and separates from the bottom surface of the upper valve seat 11, and the liquid flows into the measuring cup from the liquid inlet A of the upper valve seat 11, allowing the liquid to fill the entire measuring cup 8.

[0041] refer to Figure 5 As shown, when the filling head is filling, the cylinder 15 works, driving the piston rod connecting seat 13 to move upward, thereby driving the piston rod 7 to move upward, and the filling sealing plug 5 and the liquid inlet sealing plug 10 installed on the piston rod 7 move upward at the same time, the liquid inlet sealing plug contacts the bottom surface of the upper valve seat and compresses and seals the liquid flowing out of the liquid inlet A, and at the same time the filling sealing plug 5 moves upward and disengages from the filling nozzle 4, and the liquid flows out of the filling nozzle and is filled into the bottle 1.

[0042] After a certain period of time, the filling is completed, the cylinder 15 stops working, the piston rod connecting seat 13 moves downward under the action of the spring 14, and at the same time drives the piston rod 7 to move downward, the filling sealing plug connected to the piston rod 7 moves downward to seal the filling nozzle 4, and the liquid inlet sealing plug 10 connected to the piston rod 7 moves downward to allow the liquid to flow into the measuring cup 8 to replenish the liquid, waiting for the next filling.

[0043] In addition, a second aspect of the present application provides a filling machine, comprising: a plurality of the filling heads described above.

[0044] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps described in these embodiments do not limit the scope of the utility model. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once a certain item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0045] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0046] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0047] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A filling head, characterized in that: include: Bottle clamp (2), bottle clamp support rod (3), filling nozzle (4), filling sealing plug (5), lower valve seat (6), piston rod (7), measuring cup (8), tensioning screw rod (9), upper valve seat (11), piston rod connecting seat (13), compression spring (14), cylinder (15), wherein The bottle (1) to be filled is fixed by the bottle clamp (2), the center of the bottle mouth of the bottle (1) to be filled is concentric with the center of the filling nozzle (4), the filling nozzle (4) is fixed together by the filling sealing plug (5) and the lower valve seat (6) through a clamp, and a sealing ring is sealed in the middle, the measuring cup (8) tightens the lower valve seat (6) and the upper valve seat (11) through the tensioning screw rod (9) to compress them, the bottle clamp support rod (3) is fixed to the upper valve seat (11) by bolts, the bottle clamp (2) is fixed to the bottle clamp support rod (3) by bolts, and the bottle clamp (2) can be adjusted up and down; The cylinder (15) is fixed on the upper valve seat (11); the piston rod connecting seat (13) has an outer thread connected to and fixed to the inner thread of the piston rod of the cylinder (15); the compression spring (14) is installed between the piston rod connecting seat (13) and the cylinder (15); the compression spring (14) pushes the piston rod connecting seat (13) downward under the action of elastic force, and the piston rod (7) connected to the piston rod connecting seat (13) also seals the filling nozzle (4) downward to prevent liquid from flowing out.

2. The filling head according to claim 1, characterized in that: A first measuring cup sealing ring (19) and a second measuring cup sealing ring (21) are respectively provided between the two ends of the measuring cup (8) and the upper valve seat (11) and the lower valve seat (6) for sealing.

3. The filling head according to claim 1, characterized in that: Also includes: A bellows seal (12) and a bellows seal seat (18), wherein the upper end of the piston rod (7) is provided with the bellows seal (12), the lower end of the bellows seal (12) is fixedly sealed with the piston rod (7), and the upper end of the bellows seal (12) is bolted and sealed with the bellows seal seat (18) to ensure that liquid does not flow out.

4. The filling head according to claim 1, characterized in that: Also includes: A piston rod guide plate (20), wherein the piston rod guide plate (20) is fixed in the lower valve seat (6) and has a hole in the center for allowing the piston rod (7) to move up and down, but restricting the piston rod (7) from moving in other directions, thereby ensuring that the filling sealing plug (5) can completely block the wine filling hole of the filling nozzle (4).

5. The filling head according to claim 1, characterized in that: Also includes: A cylinder connecting rod (16), wherein the cylinder (15) is fixed to the upper valve seat (11) via the cylinder connecting rod (16).

6. The filling head according to claim 1, characterized in that: The piston rod (7) and the piston rod connecting seat (13) are connected via a slot.

7. The filling head according to claim 1, characterized in that: Also includes: The liquid inlet sealing plug (10) arranged on the piston rod (7) is used to control the closing or opening of the liquid flowing into the measuring cup (8).

8. The filling head according to claim 1, characterized in that: Also includes: A gas permeable liquid return pipe (22) connected to the upper valve seat (11), wherein the gas permeable liquid return pipe (22) is provided with an O-ring and is inserted into the gas permeable hole of the upper valve seat (11).

9. The filling head according to claim 1, characterized in that: Also includes: An identification plate (17), wherein the identification plate (17) is used to identify the plurality of filling heads.

10. A filling machine, characterized in that: include: A filling head according to any one of claims 1 to 9.

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