A filling pump capable of achieving automatic cleaning and anti-drip

Abstract

The present application discloses a filling pump that can realize automatic cleaning and drip-proof, comprising a filling pump casing, a filling pump core, a pump base, a rotating pump core, and a pump cover, wherein the outer surface of the bottom of the filling pump core is provided with an annular groove, and the annular groove is provided with an anti-drip sealing ring. The other side of the rotating pump core extends out of the rod through the opening of the side wall on the other side of the pump base and is connected to the rotating pump core horizontal stop device at the other end. A rotating pump casing parallel to the rod is provided outside the rod, and the filling pump casing is provided with a first cleaning port at the position of the filling cleaning chamber, and a second cleaning port and a third cleaning port are provided on the side wall at the position of the rotating pump chamber. By providing an anti-drip sealing ring and extending the rotating pump core cleaning structure in the horizontal direction of the rotating pump core, the fully automatic cleaning of the rotating valve core of the filling pump is realized. Combined with the fully automatic cleaning structure of the upper filling pump core, the beneficial effect of simultaneously cleaning the two working parts of the filling pump online and preventing filling dripping is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of food and medicine filling and packaging equipment, in particular to a filling pump capable of achieving automatic cleaning and anti-drip. Background Art

[0002] When using a filling pump to fill food and medicine, filling residues are easy to adhere to the inner wall and pump core of the pump body. In order to meet the strict hygiene requirements of food and medicine, the pump core and side walls inside the filling pump need to be cleaned. For example, the patent document with authorization announcement number CN213205900U discloses a filling pump with an easily disassembled piston, including a pump body and a filling unit, the pump body has a laterally extending filling cavity, the filling unit can be slidably installed on the filling cavity of the filling pump, the filling unit includes a sleeve, a piston rod, an adjustable piston and an adjusting nut, the left end of the sleeve is provided with a right clamping step, the left end of the piston rod is provided with a left clamping step, and the right end is provided with a thread that can cooperate with the adjusting nut, the right end of the piston rod passes through the adjustable piston and the sleeve in sequence, and extends from the right end outlet of the sleeve, the adjusting nut is installed on the thread at the right end of the piston rod and the adjusting nut is against the right end outlet of the sleeve, and the left clamping step and the right clamping step clamp the adjustable piston. However, this type of filling pump capable of automatic cleaning relies primarily on high-precision machining and coordination of the pump core and pump chamber. This leads to long processing cycles and expensive replacement of components. Furthermore, due to the gaps created by the coordination, there is a risk of leakage during the filling process. Furthermore, this type of equipment can only clean the filling valve core, i.e., the plunger, and cannot simultaneously clean the rotary valve core, i.e., the rotary valve. Filling pumps capable of cleaning the rotary valve core, such as the paste filling device disclosed in patent publication number CN218431993U, can only disassemble the rotary valve for offline cleaning and cannot be cleaned online, making them inconvenient to use. Patent publication number CN207777627U discloses a device for filling viscous liquids that prevents stringing and dripping. However, this type of filling pump, which utilizes a sealing ring to coordinate the pump core and pump chamber, cannot achieve the required automatic cleaning function, causing significant inconvenience to the user. In other words, filling pumps capable of automatic cleaning cannot meet the requirements for complete sealing, and there is a risk of leakage during production. Filling pumps using sealing rings cannot achieve automatic cleaning. Summary of the Invention

[0003] In view of the deficiencies of the prior art, the present invention provides a filling pump that can achieve automatic cleaning and anti-drip, so as to solve the problem that the prior art cannot simultaneously take into account the automatic cleaning and anti-drip of the two working parts of the filling pump.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0005] The pump is installed in the longitudinal direction of the filling pump cavity, and can slide longitudinally in the filling pump cavity. The pump base is installed at the bottom of the filling pump housing. The rotary pump core is installed in the pump base and can rotate horizontally in the pump base. One side passes through the opening of the pump base side wall and is connected to the pump cover with a rotary valve power device. The two adjacent side walls of the pump base side wall are provided with an inlet and outlet. An annular groove is provided on the outer surface of the bottom of the filling pump core, and an anti-drip sealing ring is provided on the annular groove. The lower part of the inner wall of the filling pump housing is a filling working chamber, and an arc-shaped expanded diameter filling and cleaning chamber is provided at the upper part. When the filling pump core is working, it slides longitudinally in the filling working chamber and maintains a seal with the inner wall of the filling pump housing through the anti-drip sealing ring. The filling pump housing is provided with a first cleaning port on the side wall at the position of the filling cleaning chamber, and the first cleaning port is connected to the filling pump The cam is connected to the pump housing, and the cam is connected to the pump housing at the same time. The cam is connected to the pump housing at the same time, and the cam is connected to the pump housing at the same time.

[0006] Preferably, the first cleaning port is arranged at the same direction as the rotating pump housing in the filling and cleaning chamber, the second cleaning port is arranged at the end of the rotating pump housing above the rotating pump chamber and far from the pump base, and the third cleaning port is arranged at the end of the rotating pump housing below the rotating pump chamber and close to the pump base. The arrangement positions of the cleaning ports can maximize the reduction of the volume occupied by the entire filling pump and standardize the installation and transportation of the filling pump.

[0007] Preferably, the first cleaning port and the second cleaning port are cleaning liquid outlets, and the third cleaning port and the inlet and outlet are cleaning liquid inlets. This arrangement can ensure that water can form impact force and the cleaning cleanliness.

[0008] Preferably, the extended rod portion of the rotary pump core is a supporting core rod, and the rotary pump core also includes a connecting head, a connecting seat, and a material chamber connected to the rotary valve power device. The connecting head is connected to one end of the material chamber of the working part of the rotary pump core through a cylindrical connecting seat, and the other end of the material chamber is connected to the extended supporting core rod. The rotary pump core has a simple structure and can perfectly adapt to the current rotary pump core flushing method.

[0009] Preferably, the horizontal stop device of the rotary pump core includes a handle, a shift lever, a baffle, a shift lever screw and a baffle screw. The handle is in the shape of a knob, and a neck is provided at the bottom. A circular hole is provided in the neck. The handle is rigidly connected to the end of the supporting core rod of the rotary pump core through the circular hole at the bottom. An annular groove is provided on the neck of the handle. Rectangular flanges flush with the end faces are provided on both sides of the end of the rotary pump housing connected to the horizontal stop device of the rotary pump core. The shift lever is in the shape of a strip, one end of which is rotatably connected to the rectangular flange surface on one side, and the other end is installed with A circular handle is provided, and the shift lever can be rotated sideways through the circular handle to fit into the annular groove on the neck of the handle. A baffle screw is installed on the upper side of the rectangular flange on the other side of the rotary pump housing. One end of the baffle can rotate around the baffle screw, and the other end can be rotated out of the flange surface to block above the shift lever after the shift lever is inserted into the annular groove of the handle. This setting structure uses a stop device at the rear end to lock the horizontal position of the rotary valve core, which can solve the problem of horizontal movement of the rotary valve core when the rotary pump core is extended and the rotary valve core rotates more stably when working.

[0010] Preferably, the horizontal stopping device of the rotating pump core also includes a baffle screw, which is installed on the rectangular flange surface on the other side of the rotating pump housing, and the head of the baffle screw is used to clamp the side of the far rotating shaft end of the shift rod after the shift rod is inserted into the annular groove of the handle. The setting of the baffle screw adds an extra layer of insurance to the annular groove limit of the handle only, making the stopping effect more effective.

[0011] Preferably, the head of the connector is in the shape of a straight line, and the rotary valve power device cooperates with the head of the connector through the straight line groove at the bottom to drive the rotary pump core to rotate. The transmission structure is simple and convenient, and facilitates the separation of the rotary pump core and the rotary valve power device.

[0012] Preferably, a square flange flush with the end face is provided at one end of the rotating pump casing near the pump base, and the rotating pump casing is rigidly mounted on the side of the pump base through the square flange. This structure uses the same fixing method as the pump cover, which is convenient and quick to install and has good sealing performance.

[0013] Preferably, the filling and cleaning chamber inside the filling pump housing and the outside of the rotating pump chamber of the rotating pump housing are also provided with an annular sealing groove, and a cleaning sealing ring is provided in the annular sealing groove. The setting of the cleaning sealing ring can enable fully automatic cleaning to be carried out in a fully sealed environment, achieving a better cleaning effect without water leakage.

[0014] Preferably, the inner walls of the filling pump housing and the rotating pump housing are made of stainless steel, the anti-drip sealing ring is a two-way universal seal ring, and the outer shell of the universal seal ring is made of polyetheretherketone resin. The use of this material allows the filling pump to use common materials instead of using uncommon materials that increase manufacturing difficulty, and has universal applicability to the structure of the filling pump. The use of the two-way universal seal ring uses appropriate spring force plus system fluid pressure to push out the sealing surface and gently press the sealed metal surface to produce a very excellent sealing effect. Polyetheretherketone resin has excellent properties such as wear resistance, high temperature resistance, corrosion resistance, aging resistance, self-lubrication, easy processing and high mechanical strength, so that the filling pump core has a better anti-drip effect when it moves internally.

[0015] Compared with the prior art, the beneficial effect of the present scheme is that: during normal production, the filling pump core and the rotating pump core are in normal working positions, the dripping problem in the production process is solved by the anti-drip sealing ring, and the rotating valve core of the filling pump is automatically cleaned by expanding the rotating pump core cleaning structure in the horizontal direction of the rotating pump core. When the production is completed, the filling pump core and the anti-drip sealing ring are retreated to the cleaning filling cleaning chamber position, the rotating pump core is disengaged from the rotary valve power device and retreats to the rotating pump chamber position, and the cleaning liquid is respectively fed in from the cleaning liquid inlet to automatically clean the filling pump core, the anti-drip sealing ring and the rotating pump core, and the cleaning liquid is discharged from the cleaning liquid outlet, thereby completing the entire cleaning cycle and realizing the automatic cleaning function. In summary, by combining the fully automatic cleaning structure of the upper filling pump core, the beneficial effect of simultaneously cleaning the two working parts of the filling pump online is achieved and the problem of anti-drip filling is solved at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the external perspective of an embodiment of the present application;

[0017] Figure 2 This is a cross-sectional schematic diagram of an embodiment of the present application, in which the filling pump core and the rotating pump core are both in the working position;

[0018] Figure 3 This is a cross-sectional schematic diagram of an embodiment of the present application, wherein the filling pump core is in the working position and the rotating pump core is moved from the working position to the cleaning position;

[0019] Figure 4 This is a cross-sectional schematic diagram of an embodiment of the present application in which the filling pump core and the rotating pump core are both withdrawn from the working position to the cleaning position;

[0020] Figure 5 This is a three-dimensional schematic diagram of a rotating pump core according to an embodiment of the present application;

[0021] Among them, 1-filling pump core, 101-annular groove, 2-anti-drip sealing ring, 3-filling pump housing, 301-filling pump chamber, 3011-filling working chamber, 3012-filling cleaning chamber, 4-first cleaning port, 5-second cleaning port, 6-third cleaning port, 7-rotating pump core, 701-connector, 702-connecting seat, 703-material chamber, 704-support core rod, 8-rotating pump housing, 801-rotating pump chamber, 802-rectangular flange, 9-rotary valve power device, 10-rotating pump core horizontal stop device, 1001-handle, 1002-gear lever, 1003-baffle, 1004-gear lever screw, 1005-baffle screw, 11-pump base, 1101-inlet and outlet, 12-pump cover, 13-cleaning sealing ring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] The present embodiment provides a technical solution: a filling pump that can realize automatic cleaning and anti-drip, including a filling pump housing 3, a filling pump core 1, a pump base 11, a rotary pump core 7, and a pump cover 12. The filling pump core 1 is installed in the longitudinal filling pump cavity 31 formed inside the filling pump housing 3 and can slide longitudinally in the filling pump cavity 31. The pump base 11 is installed at the bottom of the filling pump housing 3. The rotary pump core 7 is installed in the pump base 11 and can rotate horizontally in the pump base 11. One side passes through the side wall opening of the pump base 11 and is connected to the rotary valve power device 9 with the pump cover 12. The two adjacent side walls of the pump base 11 are provided with an inlet and outlet 1101. The bottom of the filling pump core 1 The outer surface is provided with an annular groove 101, and an anti-drip sealing ring 2 is provided on the annular groove. The anti-drip sealing ring 2 adopts a two-way plug ring, and the shell material of the plug ring is made of polyetheretherketone resin, namely PEEK. The lower part of the inner wall of the filling pump housing 3 is a filling working chamber 311, and the upper part is provided with an arc-shaped expanded filling cleaning chamber 3012. When the filling pump core 1 is working, it slides longitudinally in the filling working chamber 311 and maintains a seal with the inner wall of the filling pump housing 3 through the anti-drip sealing ring 2. The filling pump housing 3 is provided with a first cleaning port 4 on the side wall at the position of the filling cleaning chamber 3012. The first cleaning port 4 is connected to the filling pump chamber 31, and the filling pump core 1 moves to the filling cleaning chamber 311 during cleaning. At the washing chamber 3012, the other side of the rotary pump core 7 extends through the opening of the other side wall of the pump base 11 to extend the rod and is connected to the rotary pump core horizontal stop device 10 at the other end. A rotary pump shell 8 parallel to the rod is provided outside the rod. During cleaning, the rotary pump core 7 can move horizontally out of the pump base 11 to reach the transverse rotary pump chamber 801 formed inside the rotary pump shell 8. The inner walls of the filling pump shell 3 and the rotary pump shell 8 are both made of stainless steel. One end of the rotary pump shell 8 is rigidly connected and communicated with the opening of the other side wall of the pump base 11, and the other end is sealed with the rotary pump core horizontal stop device 10, that is, at one end of the rotary pump shell 8 near the pump base 11 A square flange flush with the end face is provided, and the rotary pump casing 8 is rigidly mounted on the side of the pump base 11 through the square flange. This is also the installation method for the pump cover 12 to be mounted on the pump base 11. The rotary pump casing 8 is provided with a second cleaning port 5 and a third cleaning port 6 on the side wall at the position of the rotary pump cavity 801. The second cleaning port 5 and the third cleaning port 6 are both connected to the rotary pump cavity 801. The inner diameter of the rotary pump cavity 801 is larger than the outer diameter of the rotary pump core 7 and forms a cleaning gap with the rotary pump core 7. The filling pump is connected to the first cleaning port 4, the second cleaning port 5, the third cleaning port 6 and the inlet and outlet of the pump base 11 through an external cleaning system to complete fully automatic in-situ cleaning.

[0024] In this embodiment, the first cleaning port 4 is arranged on the same direction as the rotating pump housing 8 at the location of the filling cleaning chamber 3012. The second cleaning port 5 is arranged on the end of the rotating pump housing 8 above the location of the rotating pump chamber 801 and away from the pump base 11. The third cleaning port 6 is arranged on the end of the rotating pump housing 8 below the location of the rotating pump chamber 801 and near the pump base 11. The location of the cleaning port is not fixed, as long as it is on the side of the corresponding cleaning chamber. Other arrangements can also be used, such as swapping the positions of the second cleaning port 5 and the third cleaning port 6. The arrangement of the cleaning port in this embodiment is a preferred arrangement, which takes into account both the regularity of the filling pump's appearance and the space saving properties, as well as the rationality of the flushing water flow. This ensures that the water flow forms and maintains a certain impact force when cleaning the filling pump core and the rotating pump core, thereby ensuring the cleaning effect and ensuring that both the filling pump core and the rotating pump core are clean.

[0025] The flow direction of the cleaning water is not fixed. In this embodiment, the first cleaning port 4 and the second cleaning port 5 are cleaning liquid outlets, the third cleaning port 6 and the inlet and outlet 1101 are cleaning liquid inlets, and the inlet and outlet 1101 are connected to the outside with pipes. When these cleaning ports are used, external cleaning equipment is connected to meet the requirements of fully automatic in-situ CIP cleaning. Of course, the first cleaning port 4 and the second cleaning port 5 can also be set as cleaning liquid inlets, and the third cleaning port 6 and the inlet and outlet 1101 can be set as cleaning liquid outlets.

[0026] The extended rod portion of the rotary pump core 7 serves as a support core rod 704. The rotary pump core 7 also includes a connector 701, a connector seat 702, and a material cavity 703 for connecting to the rotary valve power device 9. The connector 701 is connected to one end of the material cavity 703 of the working portion of the rotary pump core 7 through the cylindrical cone-shaped connector seat 702, and the other end of the material cavity 703 is connected to the extended support core rod 704. The head of the connector 701 is in a straight line shape. The rotary valve power device 9 cooperates with the head of the connector 701 through the straight line groove at the bottom to drive the rotary pump core 7 to rotate. Of course, the shape of the head is not fixed, and other transmission structures that are easy to manufacture and facilitate separation can also be used. The rotary pump core horizontal stop device 10 includes a handle 1001, a gear lever 1002, a baffle 1003, a gear lever screw 1004 and a baffle screw 1005. The handle 1001 is knob-shaped, with a neck at the bottom, a circular hole in the neck, and the handle 1001 is rigidly connected to the end of the supporting core rod 704 of the rotary pump core 7 through the circular hole at the bottom. An annular groove is provided on the neck of the handle 1001, and rectangular flanges flush with the end faces are provided on both sides of the end of the rotary pump housing 8 connected to the rotary pump core horizontal stop device 10. 802, the shift lever 1002 is in the shape of a strip, one end of which is rotatably connected to the rectangular flange 802 on one side, and the other end is equipped with a circular knob. The shift lever 1002 can be rotated on the side by the circular knob to snap into the annular groove of the neck of the handle 1001. A baffle screw 1005 is installed on the upper side of the rectangular flange 802 on the other side of the rotary pump housing 8. One end of the baffle 1003 can rotate around the baffle screw 1005, and the other end can be rotated out of the flange surface to block above the shift lever 1002 after the shift lever 1002 is snapped into the annular groove of the handle 1001. The knob shape of the handle 1001 is set to hexagonal in this embodiment, which is convenient for clamping the rotary pump core 7 out of the rotary valve power device 9 to reach the cleaning position. The handle 1001 can also rotate the rotary pump core 7 in the cleaning position under the condition of other external power sources, thereby achieving a better cleaning effect.

[0027] In order to make the stopping effect more stable in this embodiment, a baffle screw 1005 is added to the horizontal stopping device 10 of the rotating pump core. The baffle screw 1005 is installed on the rectangular flange 802 on the other side of the rotating pump housing 8, and after the gear rod 1002 is inserted into the annular groove of the handle 1001, the head of the baffle screw 1005 is used to clamp the side of the gear rod 1002 far from the rotating shaft end.

[0028] In order to enable fully automatic cleaning to be carried out in a fully sealed environment, cleaning sealing rings 13 are provided at the connection between the inner side of the pump cover 12 and the rotary valve power unit 9, the connection interface between the pump cover 12 and the pump base 11, the connection interface between the rotary pump housing 8 and the pump base 11, and the connection interface between the filling pump housing 3 and the rotating pump housing 8 to ensure sealing. In addition, an annular sealing groove is also provided on the outside of the filling cleaning chamber 3012 inside the filling pump housing 3 and the rotating pump chamber 801 of the rotating pump housing 8, and a cleaning sealing ring 13 is provided in the annular sealing groove.

[0029] The above is only a preferred specific implementation method of this solution, but the scope of protection required by this solution is not limited to this. Any technician familiar with this technical field, within the technical scope disclosed by the present invention, can make equivalent replacements or changes based on the technical solution and inventive concept of this application, which should be covered by the scope of protection of this application.

Claims

1. A filling pump capable of achieving automatic cleaning and anti-drip, comprising a filling pump housing (3), a filling pump core (1), a pump base (11), a rotary pump core (7), and a pump cover (12), wherein the filling pump core (1) is mounted in a longitudinal filling pump cavity (31) formed inside the filling pump housing (3) and can slide longitudinally in the filling pump cavity (31), the pump base (11) is mounted at the bottom of the filling pump housing (3), the rotary pump core (7) is mounted in the pump base (11) and can rotate horizontally in the pump base (11), one side of the rotary pump core passes through an opening in a side wall of the pump base (11) and is connected to the pump cover (12) to form a rotary valve power device (9), and two adjacent side walls of the pump base (11) are provided with an inlet and outlet (1101), characterized in that: The outer surface of the bottom of the filling pump core (1) is provided with an annular groove (101), and an anti-drip sealing ring (2) is provided on the annular groove. The lower part of the inner wall of the filling pump housing (3) is a filling working chamber (311), and the upper part is provided with an arc-shaped expanded filling cleaning chamber (3012). When the filling pump core (1) is working, it slides longitudinally in the filling working chamber (311) and maintains a seal with the inner wall of the filling pump housing (3) through the anti-drip sealing ring (2). The filling pump housing (3) is provided with a first cleaning port (4) on the side wall at the position of the filling cleaning chamber (3012). The first cleaning port (4) is communicated with the filling pump chamber (31). When cleaning, the filling pump core (1) moves to the filling cleaning chamber (3012). The other side of the rotating pump core (7) extends through the opening of the other side wall of the pump base (11) to form a rod and is connected to the rotating pump core horizontal stopper (10) at the other end. The outside of the rod is provided with a rotating rod parallel to the rod. The rotary pump housing (8) is provided with a second cleaning port (5) and a third cleaning port (6) on the side wall of the rotary pump housing (8) at the position of the rotary pump chamber (801). The second cleaning port (5) and the third cleaning port (6) are both connected to the rotary pump chamber (801). The inner diameter of the rotary pump chamber (801) is larger than the outer diameter of the rotary pump core (7) and forms a cleaning gap with the rotary pump core (7). The filling pump is connected to the first cleaning port (4), the second cleaning port (5), the third cleaning port (6) and the inlet and outlet of the pump base (11) through an external cleaning system to complete full-automatic in-situ cleaning.

2. The filling pump capable of realizing automatic cleaning and anti-drip according to claim 1, characterized in that: The first cleaning port (4) is arranged at the position of the filling pump housing (3) in the filling cleaning chamber (3012) in the same direction as the rotating pump housing (8), the second cleaning port (5) is arranged at an end of the rotating pump housing (8) above the position of the rotating pump chamber (801) and far from the pump base (11), and the third cleaning port (6) is arranged at an end of the rotating pump housing (8) below the position of the rotating pump chamber (801) and close to the pump base (11).

3. The filling pump capable of realizing automatic cleaning and anti-drip according to claim 1, characterized in that: The first cleaning port (4) and the second cleaning port (5) are cleaning liquid outlets, and the third cleaning port (6) and the inlet and outlet (1101) are cleaning liquid inlets.

4. The filling pump capable of realizing automatic cleaning and anti-drip according to claim 3, characterized in that: The extended rod portion of the rotary pump core (7) serves as a supporting core rod (704). The rotary pump core (7) further comprises a connector (701) connected to the rotary valve power device (9), a connector seat (702), and a material cavity (703). The connector (701) is connected to one end of the material cavity (703) of the working portion of the rotary pump core (7) via a cylindrical cone-shaped connector seat (702), and the other end of the material cavity (703) is connected to the extended supporting core rod (704).

5. The filling pump capable of realizing automatic cleaning and anti-drip according to claim 4, characterized in that: The rotary pump core horizontal stop device (10) comprises a handle (1001), a shift lever (1002), a baffle (1003), a shift lever screw (1004) and a baffle screw (1005). The handle (1001) is knob-shaped and has a neck at the bottom. A circular hole is provided in the neck. The handle (1001) is rigidly connected to the end of the supporting core rod (704) of the rotary pump core (7) through the circular hole at the bottom. An annular groove is provided on the neck of the handle (1001). Rectangular flanges flush with the end surface are provided on both sides of the end of the rotary pump housing (8) connected to the rotary pump core horizontal stop device (10). (802), the shift lever (1002) is in the shape of a strip, one end of which is rotatably connected to the surface of the rectangular flange (802) on one side, and the other end is equipped with a circular knob. The shift lever (1002) can be rotated on the side through the circular knob to be clamped into the annular groove of the neck of the handle (1001). A baffle screw (1005) is installed on the upper side of the rectangular flange (802) on the other side of the rotating pump housing (8). One end of the baffle (1003) can be rotated around the baffle screw (1005), and the other end can be rotated out of the flange surface to block the top of the shift lever (1002) after the shift lever (1002) is clamped into the annular groove of the handle (1001).

6. The filling pump capable of realizing automatic cleaning and anti-drip according to claim 5, characterized in that: The rotary pump core horizontal stop device (10) further comprises a baffle screw (1005), which is mounted on the surface of the rectangular flange (802) on the other side of the rotary pump housing (8), and the head of the baffle screw (1005) is used to clamp the side surface of the far rotating shaft end of the shift lever (1002) after the shift lever (1002) is clamped into the annular groove of the handle (1001).

7. The filling pump capable of realizing automatic cleaning and anti-drip according to claim 4, characterized in that: The head of the connector (701) is in the shape of a straight line, and the rotary valve power device (9) cooperates with the head of the connector (701) through the straight line groove at the bottom to drive the rotary pump core (7) to rotate.

8. The filling pump capable of realizing automatic cleaning and anti-drip according to claim 1, characterized in that: One end portion of the rotary pump housing (8) close to the pump base (11) is provided with a square flange flush with the end surface, and the rotary pump housing (8) is rigidly mounted on the side of the pump base (11) via the square flange.

9. The filling pump capable of realizing automatic cleaning and anti-drip according to claim 1, characterized in that: An annular sealing groove is further provided on the outside of the filling and cleaning chamber (3012) inside the filling pump housing (3) and the rotating pump chamber (801) of the rotating pump housing (8), and a cleaning sealing ring (13) is provided in the annular sealing groove.

10. The filling pump capable of realizing automatic cleaning and anti-drip according to claim 1, characterized in that: The inner walls of the filling pump housing (3) and the rotating pump housing (8) are made of stainless steel, the anti-drip sealing ring (2) is a bidirectional plug ring, and the outer shell of the plug ring is made of polyetheretherketone resin.

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