Servo drive ceramic filling pump and filling machine

Abstract

The utility model provides a servo drive ceramic filling pump and a filling machine, the filling pump comprises a rotary valve mechanism, a rotary valve drive mechanism, a filling transmission mechanism and a drive motor, the rotary valve drive mechanism is in transmission connection with the rotary valve mechanism, one end of the filling transmission mechanism is provided with a screw rod, the other end of the filling transmission mechanism is communicated with a connector of the rotary valve mechanism, and the rotary valve mechanism is connected with the drive motor. The driving motor and the filling transmission mechanism are arranged in parallel, an output shaft of the driving motor is sleeved with a driving wheel, and the driving wheel and the output shaft rotate synchronously; the input end of the lead screw is sleeved with a driven wheel, the driven wheel and the lead screw rotate synchronously, and the driving wheel and the driven wheel are connected through a synchronous belt. The driving motor and the filling transmission mechanism are arranged in parallel, the output shaft of the driving motor is sleeved with the driving wheel, the input end of the lead screw is sleeved with the driven wheel, and the driving wheel and the driven wheel are connected through the synchronous belt, so that transmission connection between the driving motor and the lead screw is realized, and meanwhile, the driving wheel and the driven wheel are connected through the synchronous belt. And the total length of the servo drive ceramic filling pump is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of material filling equipment, in particular to a servo-driven ceramic filling pump and a filling machine. Background Art

[0002] Servo-driven ceramic filling pumps are usually equipped with servo-driven ceramic filling machines. It is one of the equipment that can realize automated packaging and is widely used in the production fields of food, medicine, daily chemicals and other enterprises.

[0003] With the continuous improvement of production technology, higher requirements are placed on the performance and application areas of filling pumps. Existing filling pumps are of various types and functions. According to the filling type of materials, there are liquid, paste, powder and granular filling pumps. According to the canning drive type, they can be divided into pneumatic drive and electric drive. At present, the structure of the canning drive part of the electric drive filling pump is a one-line setting, as shown in the patent document of the application number 202122629882.6, the announcement number CN216997631U, and the patent name of a filling machine. This makes the total length of the filling pump longer, which is not conducive to the control of the external dimensions of the filling machine. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a servo-driven ceramic filling pump and a filling machine to solve the problem that the canning drive part of the current electric-driven filling pump has a straight-line structure, which makes the total length of the filling pump longer and is not conducive to the control of the external dimensions of the filling machine.

[0005] In order to solve the above technical problems, the technical solution used in the utility model is:

[0006] The utility model describes a servo-driven ceramic filling pump, comprising a rotary valve mechanism, a rotary valve driving mechanism, a filling transmission mechanism and a driving motor. The rotary valve driving mechanism is in transmission connection with the rotary valve mechanism, a screw rod is provided at one end of the filling transmission mechanism, and the other end is communicated with the interface of the rotary valve mechanism. The utility model is characterized in that: the driving motor and the filling transmission mechanism are arranged in parallel, and the output shaft sleeve of the driving motor is provided with a driving wheel, and the driving wheel rotates synchronously with the output shaft; the input end sleeve of the screw rod is provided with a driven wheel, and the driven wheel rotates synchronously with the screw rod, and the driving wheel and the driven wheel are connected by a synchronous belt.

[0007] Preferably, the peripheral surfaces of the driving wheel and the driven wheel are both provided with connecting grooves, and the inner ring of the synchronous belt is provided with transmission convex teeth matching the connecting grooves, and the transmission convex teeth are meshed and connected with the connecting grooves.

[0008] Preferably, the filling transmission mechanism comprises a screw-connected cylinder seat, and the screw-connected cylinder seat is connected to the driving motor via a connecting seat plate;

[0009] The lead screw is rotatably sleeved with a bearing seat, the bearing seat is detachably connected to the connecting seat plate, and the output end of the lead screw is inserted into the lead screw connecting cylinder seat along the axis of the lead screw connecting cylinder seat. A fastening nut is arranged at the input end of the lead screw, and the driven wheel is located between the bearing seat and the fastening nut.

[0010] Further preferably, the connecting seat plate is respectively detachably connected to the lead screw connecting cylinder seat and the bearing seat; and / or, the connecting seat plate is detachably connected to the outer shell of the driving motor, and the axial direction of the bearing seat is parallel to the axial direction of the output shaft of the driving motor.

[0011] Further preferably, the driving motor is located on one side of the connecting seat plate, a fixing block is arranged on the other side of the connecting seat plate, the connecting seat plate is provided with a through hole, and the outer shell of the driving motor and the connecting seat plate are detachably connected by bolts that sequentially pass through the fixing block and the through hole and are inserted into the outer shell of the driving motor.

[0012] Even more preferably, the through hole is oblong or waist-shaped and extends in a direction perpendicular to the axial direction of the output shaft of the driving motor on the plane where the axes of the output shaft of the driving motor and the lead screw are located.

[0013] Preferably, the filling transmission mechanism includes a cylinder housing, a connecting block, and a lead screw connecting cylinder seat. The connecting block is provided with a cavity that penetrates through both ends thereof and communicates with the outside. The interface of the rotary valve mechanism is provided with a valve body connecting flange, and the valve body connecting flange, the cylinder housing, the connecting block, and the lead screw connecting cylinder seat are sequentially coaxially connected;

[0014] A lead screw nut that can slide axially is arranged in the lead screw connecting cylinder seat. The lead screw passes through the lead screw nut along the axis of the lead screw connecting cylinder seat and is threadedly connected to the lead screw nut. The lead screw is rotatably connected to the lead screw connecting cylinder seat. A plunger is slidably arranged axially in the cylinder housing, and the plunger is coaxially connected to the lead screw nut.

[0015] Further preferably, a first flange is arranged at the first end of the cylinder housing, a first sealing ring is arranged between the valve body connecting flange and the first flange, and the first flange and the valve body connecting flange are detachably connected by a first clamp;

[0016] and / or, a second flange is arranged at the second end of the cylinder housing, a third flange is arranged at the first end of the connecting block, a second sealing ring is arranged between the second flange and the third flange, the second flange and the third flange are detachably connected by a second clamp, and the second end of the connecting block is detachably connected to the lead screw connecting cylinder seat.

[0017] More preferably, a first groove with an isosceles trapezoid radial cross-section is circumferentially arranged on the inner side of the first clamp, and the long base of the isosceles trapezoid is located on one side of the center of the first clamp. The first flange and the outer peripheral side of the valve body connecting flange form a first raised portion matching the first groove, and the first raised portion is inserted into the first groove and fits with the inner side of the first groove;

[0018] And / or, a second groove with an isosceles trapezoid radial cross-section is circumferentially arranged on the inner side of the second clamp, and the long base of the isosceles trapezoid is located on one side of the center of the second clamp. The second flange and the outer peripheral side of the third flange form a second raised portion matching the second groove, and the second raised portion is inserted into the second groove and fits with the inner side of the second groove.

[0019] Another object of the present utility model is to provide a servo-driven ceramic filling machine, including a control chassis and the above-mentioned servo-driven ceramic filling pump, and the servo-driven ceramic filling pump is arranged from one end to the other end on the top side of the control chassis; and / or, a first bottom plate and a second bottom plate are respectively arranged at both ends on the top side of the control chassis, and the filling transmission mechanism of the servo-driven ceramic filling pump is detachably connected to the first bottom plate, and both the rotary valve driving mechanism and the rotary valve mechanism are detachably connected to the second bottom plate.

[0020] The beneficial effects of the servo-driven ceramic filling pump of the present utility model compared with the prior art are mainly reflected in:

[0021] By arranging the driving motor and the filling transmission mechanism in parallel, the servo-driven ceramic filling pump will not increase its outer shape due to the setting of the driving motor. A driving wheel is sleeved on the output shaft of the driving motor, a driven wheel is sleeved on the input end of the lead screw, and the driving wheel and the driven wheel are connected by a synchronous belt, so that while realizing the transmission connection between the driving motor and the lead screw, the total length of the servo-driven ceramic filling pump is shortened.

[0022] The beneficial effects of the servo-driven ceramic filling machine of the present utility model compared with the prior art are mainly reflected in:

[0023] By adopting the above-mentioned servo-driven ceramic filling pump in this embodiment of the filling machine and arranging the filling pump from one end to the other end of the control chassis, the total length of the control chassis can be reduced, the production cost can be lowered, and the space occupied by the filling machine can be reduced. Description of the Drawings

[0024] The above and other objects, features and advantages of the present invention will become more apparent from the preferred embodiments of the present invention shown in the accompanying drawings. In all the drawings, the same reference numerals indicate the same parts, and the drawings are not deliberately drawn to scale in actual size, with the emphasis on showing the gist of the present invention.

[0025] Figure 1 It is a three-dimensional structure diagram of a servo-driven ceramic filling pump provided by an embodiment of the present invention (the protective cover is not shown);

[0026] Figure 2 is Figure 1 the A-A cross-sectional view in

[0027] Figure 3 is Figure 2 the B node diagram in

[0028] Figure 4 is Figure 2 the C node diagram in

[0029] Figure 5 It is a three-dimensional structure diagram of a servo-driven ceramic filling machine provided by an embodiment of the present invention;

[0030] Description of reference numerals:

[0031] Rotary valve mechanism 100, rotary valve drive mechanism 200, filling transmission mechanism 300, drive motor 400, control chassis 500;

[0032] Lead screw 1, driving wheel 2, driven wheel 3, synchronous belt 4, connecting groove 5, transmission convex tooth 6, lead screw connecting cylinder seat 7, connecting seat plate 8, bearing seat 9, fastening nut 10, fixing block 11, protective cover 12, cylinder housing 13, connecting block 14, valve body connecting flange 15, lead screw nut 16, plunger 17, air vent hole 18, first flange 19, first sealing ring 20, first clamp 21, second clamp 22, second flange 23, third flange 24, second sealing ring 25, first groove 26, first protruding part 27, second groove 28, second protruding part 29, transparent plate 30, first bottom plate 31, second bottom plate 32. Detailed implementation manners

[0033] The technical solution of the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present utility model and be able to implement it. However, the embodiments given are not intended to limit the present utility model. In this embodiment, it should be understood that the orientation or positional relationship indicated by terms such as "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present utility model.

[0034] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element and integrated therewith, or there may be an intermediate element present at the same time. The terms "installation", "one end", "the other end" and similar expressions used in the present utility model are only for the purpose of illustration.

[0035] This embodiment provides a servo-driven ceramic filling pump, as Figures 1 to 4 shown, which includes a rotary valve mechanism 100, a rotary valve drive mechanism 200, a filling transmission mechanism 300 and a drive motor 400. The rotary valve drive mechanism 200 is in transmission connection with the rotary valve mechanism 100. One end of the filling transmission mechanism 300 is provided with a lead screw 1, and the other end is communicated with the interface of the rotary valve mechanism 100. The drive motor 400 is arranged in parallel with the filling transmission mechanism 300, and a driving wheel 2 is sleeved on the output shaft of the drive motor 400, and the driving wheel 2 rotates synchronously with the output shaft; a driven wheel 3 is sleeved on the input end of the lead screw 1, and the driven wheel 3 rotates synchronously with the lead screw 1. The driving wheel 2 and the driven wheel 3 are connected by a synchronous belt 4.

[0036] In the present utility model, by arranging the drive motor 400 in parallel with the filling transmission mechanism 300, the servo-driven ceramic filling pump will not increase its outer shape due to the setting of the drive motor 400. A driving wheel 2 is sleeved on the output shaft of the drive motor 400, and a driven wheel 3 is sleeved on the input end of the lead screw 1. The driving wheel 2 and the driven wheel 3 are connected by a synchronous belt 4, so that while realizing the transmission connection between the drive motor 400 and the lead screw 1, the total length of the servo-driven ceramic filling pump is shortened. In this embodiment, a protective cover 12 is also provided outside the driving wheel 2, the driven wheel 3 and the synchronous belt 4.

[0037] Among them, the driving wheel 2 rotates synchronously with the output shaft, and the driven wheel 3 rotates synchronously with the lead screw 1. Specifically, it can be realized by a wheel-shaft connection method including key connection, etc., and will not be elaborated here.

[0038] In a preferred embodiment, connecting grooves 5 are provided on the circumferential surfaces of the driving wheel 2 and the driven wheel 3, and driving teeth 6 matching the connecting grooves 5 are provided on the inner ring of the synchronous belt 4. The driving teeth 6 are meshed with the connecting grooves 5, so as to ensure that the synchronous belt 4 can make the driven wheel 3 rotate synchronously with the driving wheel 2 and improve the accuracy of the filling volume.

[0039] In another preferred embodiment, the filling transmission mechanism 300 includes a lead screw connecting cylinder base 7, and the lead screw connecting cylinder base 7 is connected with the driving motor 400 through a connecting seat plate 8; a bearing seat 9 is rotatably sleeved on the lead screw 1, and the bearing seat 9 is detachably connected with the connecting seat plate 8, and the output end of the lead screw 1 is inserted into the lead screw connecting cylinder base 7 along the axis of the lead screw connecting cylinder base 7. A fastening nut 10 is arranged at the input end of the lead screw 1, and the driven wheel 3 is located between the bearing seat 9 and the fastening nut 10 to prevent the axial movement of the driven wheel 3. Wherein, the input end of the lead screw 1 is the end sleeved with the driven wheel 3 to receive the mechanical kinetic energy of the driving motor 400, and the output end of the lead screw 1 is the other end of the lead screw 1 relative to the input end.

[0040] Further, for the convenience of disassembly and assembly, the connecting seat plate 8 is detachably connected with the lead screw connecting cylinder base 7 and the bearing seat 9 respectively; and / or, similarly, the connecting seat plate 8 is detachably connected with the outer shell of the driving motor 400, and the axis of the bearing seat 9 is parallel to the axis of the output shaft of the driving motor 400. In addition to the convenience of disassembly and assembly, it can also ensure that the lead screw 1 is parallel to the output shaft of the driving motor 400 and simplify the setting of the transmission mechanism therebetween.

[0041] The driving motor 400 is located on one side of the connecting seat plate 8, and a fixing block 11 is arranged on the other side of the connecting seat plate 8. The connecting seat plate 8 is provided with a through hole (not shown in the figure). The outer shell of the driving motor 400 and the connecting seat plate 8 are detachably connected by bolts that sequentially penetrate the fixing block 11 and the through hole and are inserted into the outer shell of the driving motor 400. It can be understood that in this embodiment, two fixing blocks 11 are arranged on the connecting seat plate 8, respectively located above and below the driving wheel 2. Further, the through hole is oblong or waist-shaped and extends in a direction perpendicular to the axial direction of the output shaft of the driving motor 400 in the plane where the axis of the output shaft of the driving motor 400 and the lead screw 1 are located. By adjusting the relative positions of the fixing block 11 and the through hole along the extending direction of the through hole, the distance between the driving motor 400 and the lead screw 1 can be changed, and further the vertical distance between the output shaft of the driving motor 400 and the lead screw 1 can be changed to adjust the tightness of the synchronous belt 4.

[0042] In another preferred embodiment, the filling transmission mechanism 300 includes a cylinder housing 13, a connecting block 14, and a lead screw connecting cylinder seat 7. The connecting block 14 is provided with a cavity that penetrates through both ends thereof and communicates with the outside. The interface of the rotary valve mechanism 100 is provided with a valve body connecting flange 15. The valve body connecting flange 15, the cylinder housing 13, the connecting block 14, and the lead screw connecting cylinder seat 7 are sequentially coaxially connected, that is, the valve body connecting flange 15, the cylinder housing 13, and the cavity of the connecting block 14 are sequentially communicated;

[0043] A lead screw nut 16 that can slide axially along it is arranged in the lead screw connecting cylinder seat 7. The lead screw 1 penetrates through the lead screw nut 16 along the axis of the lead screw connecting cylinder seat 7 and is threadedly connected to the lead screw nut 16. The lead screw 1 is rotatably connected to the lead screw connecting cylinder seat 7. A plunger 17 is slidably arranged axially in the cylinder housing 13. The plunger 17 is coaxially connected to the lead screw nut 16; Specifically, as Figure 5 shown, the connecting block 14 is communicated with the outside by providing a vent hole 18 to ensure the smooth flow of air inside and outside the cavity during the reciprocating movement of the plunger 17 and to ensure air pressure balance. A perspective plate 30 window is also provided on the top side of the connecting block 14 for the staff to view the internal filling operation in real time. Among them, the specific connection structure between the plunger 17 and the lead screw nut 16 and the working principle of driving the lead screw 1 to rotate by the rotation of the driving motor 400, and then driving the plunger 17 to reciprocate axially through the reciprocating movement of the lead screw nut 16 can all be referred to the patent document with the application number 202122629882.6, the publication number CN216997631U, and the patent name "A filling machine", which will not be elaborated here.

[0044] Specifically, as Figure 3 and Figure 4 shown, a first flange 19 is provided at the first end of the cylinder housing 13. A first sealing ring 20 is arranged between the valve body connecting flange 15 and the first flange 19. The first flange 19 and the valve body connecting flange 15 are detachably connected by a first clamp 21, which can realize the quick disassembly and assembly of the valve body connecting flange 15 and the cylinder housing 13; Further, a second flange 23 is provided at the second end of the cylinder housing 13. A third flange 24 is provided at the first end of the connecting block 14. A second sealing ring 25 is arranged between the second flange 23 and the third flange 24. The second flange 23 and the third flange 24 are detachably connected by a second clamp 22, which can realize the quick disassembly and assembly of the cylinder housing 13 and the connecting block 14. In addition, the second end of the connecting block 14 is detachably connected to the lead screw connecting cylinder seat 7, which can realize the quick disassembly and assembly of the lead screw connecting cylinder seat 7 and the connecting block 14.

[0045] Furthermore, a first groove 26 with an isosceles trapezoidal radial cross-section is circumferentially arranged on the inner side of the first clamp 21, and the long base of the isosceles trapezoid is located on one side of the center of the first clamp 21. The outer peripheral side of the first flange 19 and the valve body connection flange 15 form a first protruding portion 27 that matches the first groove 26. The first protruding portion 27 is inserted into the first groove 26 and fits against the inner side of the first groove 26. By adjusting the tightness of the first clamp 21, the pressing degree of the first groove 26 on the first protruding portion 27 can be adjusted, thereby adjusting the extrusion degree of the first flange 19 and the valve body connection flange 15 on the first sealing ring 20, and further ensuring the sealing performance of this docking location.

[0046] A second groove 28 with an isosceles trapezoidal radial cross-section is circumferentially arranged on the inner side of the second clamp 22, and the long base of the isosceles trapezoid is located on one side of the center of the second clamp 22. The outer peripheral side of the second flange 23 and the third flange 24 form a second protruding portion 29 that matches the second groove 28. The second protruding portion 29 is inserted into the second groove 28 and fits against the inner side of the second groove 28. Similarly, by adjusting the tightness of the second clamp 22, the pressing degree of the second flange 23 and the third flange 24 on the second sealing ring 25 can be adjusted to ensure the sealing performance of this docking location.

[0047] As Figure 5 shown, a servo-driven ceramic filling machine is also provided, which includes a control chassis 500 and the above-mentioned servo-driven ceramic filling pump. The servo-driven ceramic filling pump is arranged from one end to the other end on the top side of the control chassis 500. By adopting the above-mentioned servo-driven ceramic filling pump in this embodiment of the filling machine and arranging the filling pump from one end to the other end of the control chassis 500, the total length of the control chassis 500 can be reduced, the production cost can be lowered, and the occupied space of the filling machine can be decreased.

[0048] Furthermore, a first bottom plate 31 and a second bottom plate 32 are respectively arranged at both ends on the top side of the control chassis 500. The filling transmission mechanism 300 of the servo-driven ceramic filling pump is detachably connected to the first bottom plate 31, and both the rotary valve drive mechanism 200 and the rotary valve mechanism 100 are detachably connected to the second bottom plate 32. In this way, the detachable connection between the servo-driven ceramic filling pump and the control chassis 500 can be realized, which is not only convenient for separate manufacturing and maintenance, but also can improve the utilization rate of the control chassis 500 when the filling pump fails.

[0049] In this specification, unless otherwise clearly specified or defined, a first feature being "on" or "under" a second feature may mean that the first and second features are in direct contact, or the first and second features are indirectly in contact via an intermediate medium. Also, a first feature being "above", "over" and "on top of" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply indicates that the first feature has a higher level height than the second feature. A first feature being "under", "below" and "beneath" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply indicates that the first feature has a lower level height than the second feature.

[0050] In the description of this specification, the description with reference to terms such as "preferred embodiment", "another embodiment", "other embodiments" or "specific examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples.

[0051] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present application. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present application.

Claims

1. A servo-driven ceramic filling pump, comprising a rotary valve mechanism, a rotary valve driving mechanism, a filling transmission mechanism and a driving motor, wherein the rotary valve driving mechanism is drivingly connected to the rotary valve mechanism, a screw rod is provided at one end of the filling transmission mechanism, and the other end is connected to the interface of the rotary valve mechanism, characterized in that: The driving motor is arranged in parallel with the filling transmission mechanism, and the output shaft sleeve of the driving motor is provided with a driving wheel, and the driving wheel rotates synchronously with the output shaft; the input end sleeve of the screw rod is provided with a driven wheel, and the driven wheel rotates synchronously with the screw rod, and the driving wheel and the driven wheel are connected by a synchronous belt.

2. A servo-driven ceramic filling pump according to claim 1, characterized in that: The peripheral surfaces of the driving wheel and the driven wheel are both provided with connecting grooves, and the inner ring of the synchronous belt is provided with transmission protruding teeth matching the connecting grooves, and the transmission protruding teeth are meshed and connected with the connecting grooves.

3. A servo-driven ceramic filling pump according to claim 1, characterized in that: The filling transmission mechanism comprises a screw-connected cylinder seat, and the screw-connected cylinder seat is connected to the driving motor via a connecting seat plate; The rotatable sleeve of the screw rod is provided with a bearing seat, the bearing seat is detachably connected to the connecting seat plate, and the output end of the screw rod is inserted into the screw connecting cylinder seat along the axis of the screw connecting cylinder seat, the input end of the screw rod is provided with a fastening nut, and the driven wheel is located between the bearing seat and the fastening nut.

4. A servo-driven ceramic filling pump according to claim 3, characterized in that: The connecting seat plate is detachably connected to the lead screw connecting cylinder seat and the bearing seat respectively; and / or the connecting seat plate is detachably connected to the housing of the drive motor, and the axial direction of the bearing seat is parallel to the axial direction of the output shaft of the drive motor.

5. The servo-driven ceramic filling pump according to claim 3, characterized in that: The drive motor is located on one side of the connecting seat plate, a fixing block is provided on the other side of the connecting seat plate, the connecting seat plate is provided with a through hole, and the housing of the drive motor and the connecting seat plate are detachably connected by bolts that sequentially penetrate the fixing block and the through hole and are inserted into the housing of the drive motor.

6. A servo-driven ceramic filling pump according to claim 5, characterized in that: The through hole is in an oblong or oval shape, and extends in a direction perpendicular to the axial direction of the output shaft of the drive motor on a plane where the axes of the output shaft of the drive motor and the screw rod are located.

7. The servo-driven ceramic filling pump according to claim 1, characterized in that: The filling transmission mechanism includes a cylinder housing, a connecting block and a screw connection cylinder seat, the connecting block is provided with a cavity penetrating through both ends thereof and communicating with the outside, the interface of the rotary valve mechanism is provided with a valve body connection flange, the valve body connection flange, the cylinder housing, the connecting block and the screw connection cylinder seat are coaxially connected in sequence; A screw nut which can slide along its axial direction is arranged in the screw connection cylinder seat, the screw rod passes through the screw nut along the axis of the screw connection cylinder seat and is threadedly connected with the screw nut, the screw rod is rotatably connected to the screw connection cylinder seat, and a plunger is arranged in the cylinder shell along its axial direction, and the plunger is coaxially connected to the screw nut.

8. The servo-driven ceramic filling pump according to claim 7, characterized in that: A first flange is provided at the first end of the cylinder housing, a first sealing ring is provided between the valve body connecting flange and the first flange, and the first flange and the valve body connecting flange are detachably connected via a first clamp; And / or, a second flange is provided at the second end of the cylinder housing, a third flange is provided at the first end of the connecting block, a second sealing ring is provided between the second flange and the third flange, the second flange and the third flange are detachably connected via a second clamp, and the second end of the connecting block is detachably connected to the screw connecting cylinder seat.

9. The servo-driven ceramic filling pump according to claim 8, characterized in that: A first groove having a radial cross section of an isosceles trapezoid is circumferentially arranged on the inner side of the first clamp, and the long bottom of the isosceles trapezoid is located on one side of the center of the first clamp, and the first flange and the outer peripheral side of the valve body connecting flange form a first protrusion matching the first groove, and the first protrusion is inserted into the first groove and fits the inner side of the first groove; And / or, a second groove with a radial cross-section of an isosceles trapezoid is circumferentially arranged on the inner side of the second clamp, and the long base of the isosceles trapezoid is located on one side of the center of the second clamp, and the outer peripheral sides of the second flange and the third flange constitute a second protrusion matching the second groove, and the second protrusion is inserted into the second groove and fits against the inner side of the second groove.

10. A servo-driven ceramic filling machine, comprising a control chassis, characterized in that: It also includes a servo-driven ceramic filling pump according to any one of claims 1 to 9, wherein the servo-driven ceramic filling pump is arranged from one end of the top side of the control chassis to the other end; and / or the top side of the control chassis is provided with a first bottom plate and a second bottom plate respectively located at its two ends, and the filling transmission mechanism of the servo-driven ceramic filling pump is detachably connected to the first bottom plate, and the rotary valve driving mechanism and the rotary valve mechanism are both detachably connected to the second bottom plate.

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