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CN-121973986-A - Ceramic pump crystallization-preventing device of filling machine

CN121973986ACN 121973986 ACN121973986 ACN 121973986ACN-121973986-A

Abstract

The invention relates to the technical field of ceramic pump crystallization prevention devices, in particular to a ceramic pump crystallization prevention device of a filling machine, which comprises a frame, a lifting assembly and a liquid storage cup assembly, wherein the liquid storage cup assembly comprises a liquid storage cup shell, a liquid storage cup base, a rotating block and a sliding piston, the outer side surface of the liquid storage cup is provided with a water inlet and a water outlet, the water outlet is connected with a water injection pipe, the other end of the water injection pipe is connected with a plunger pump shell, the lifting assembly comprises a lifting plate, and the liquid storage cup shells and the liquid storage cup base are synchronously lifted through the lifting assembly. According to the invention, water is injected into the inlet end of the plunger pump through the liquid storage cup assembly and the water injection pipe, water forms a water film lubricating layer in a gap between the piston and the pump cylinder, so that the friction resistance between the piston and the pump cylinder caused by high-viscosity liquid medicine is reduced, meanwhile, the local concentration of the liquid medicine in the pump can be reduced by a small amount of water, the crystallization of the liquid medicine at the piston of the pump body channel due to the fact that the liquid medicine does not reach a supersaturated state due to the fact that the liquid medicine flows is avoided, and the problem of pump clamping is further reduced.

Inventors

  • Shang wuyi
  • GAO HUALIN
  • TIAN FENGLING
  • ZHANG LINGLING
  • Diao Wanghui

Assignees

  • 山东豪瑞恩制药有限公司

Dates

Publication Date
20260505
Application Date
20251014

Claims (8)

  1. 1. The ceramic pump crystallization preventing device of the filling machine is characterized by comprising a frame (1), a lifting assembly (2) and a liquid storage cup assembly (3), wherein the liquid storage cup assembly (3) comprises a liquid storage cup shell (301), a liquid storage cup base (302), a rotating block (303) and a sliding piston (304), a water inlet (4) and a water outlet (5) are formed in the outer side surface of the liquid storage cup shell (301), the water outlet (5) is connected with a water injection pipe (6), and the other end of the water injection pipe (6) is connected with a plunger pump shell (7); The lifting assembly (2) comprises a lifting plate (201), two ends of the lifting plate (201) are in sliding connection with the inner side face of the frame (1), the liquid storage cup base (302) is fixedly connected with the upper surface of the lifting plate (201), the lower end of the liquid storage cup shell (301) is fixedly connected with the upper end of the liquid storage cup base (302) through a clamp (8), and a plurality of liquid storage cup shells (301) and liquid storage cup bases (302) are synchronously lifted through the lifting assembly (2); One end of the sliding piston (304) far away from the liquid storage cup base (302) is connected with a rotating motor (9) through a coupler, and the rotating motor (9) is fixedly connected with the top of the frame (1).
  2. 2. The ceramic pump crystallization preventing device of the filling machine according to claim 1, wherein a boss (10) is arranged at one end of the rotating block (303) close to the liquid storage cup base (302), the boss (10) is clamped between the liquid storage cup shell (301) and the liquid storage cup base (302), and a ball (11) which is convenient for the rotating block (303) to rotate is arranged between the rotating block (303) and the liquid storage cup base (302).
  3. 3. The ceramic pump crystallization preventing device of the filling machine according to claim 1, wherein the outer side face of the sliding piston (304) is slidably connected with the inner side face of the liquid storage cup shell (301), a limiting rod (12) is fixedly connected to one side face of the rotating block (303) close to the sliding piston (304), and the limiting rod (12) is inserted into the sliding piston (304) and is slidably connected with the sliding piston (304).
  4. 4. The ceramic pump crystallization preventing device of a filling machine according to claim 1, wherein a notch (13) opposite to the water inlet (4) is formed in the upper surface of the rotating block (303), the water inlet (4) and the water outlet (5) are located at the same height, a rubber ring (14) is embedded in the inner side of the liquid storage cup shell (301), and openings are formed in the positions of the water inlet (4) and the water outlet (5) by the rubber ring (14).
  5. 5. The ceramic pump crystallization preventing device of the filling machine according to claim 1, wherein a sealing gasket (15) is arranged between the liquid storage cup base (302) and the liquid storage cup shell (301), a plurality of first sealing rings (16) are embedded on the outer side surface of the rotating block (303), and a plurality of second sealing rings (17) are embedded on the outer side surface of the sliding piston (304).
  6. 6. The ceramic pump crystallization preventing device of the filling machine according to claim 3, wherein the hole, in which the limit rod (12) is inserted into the sliding piston (304), is a limit hole (18), a plurality of third sealing rings (19) are embedded on the inner side surface of the limit hole (18), an air port (20) is connected to the top of the limit hole (18), and the air port (20) is communicated to the top of the sliding piston (304).
  7. 7. The ceramic pump crystallization preventing device of a filling machine according to claim 1, wherein the lifting assembly (2) further comprises a servo electric telescopic rod (202) and a guide rod (203), the lower end of the servo electric telescopic rod (202) is fixedly connected with the bottom surface of the frame (1), the telescopic end of the servo electric telescopic rod (202) is fixedly connected with the bottom surface of the lifting plate (201), and the guide rod (203) is used for guiding lifting of the lifting plate (201).
  8. 8. The ceramic pump crystallization preventing device of a filling machine according to claim 1, wherein a plurality of water injection ports (21) are uniformly formed in the outer side face of the inlet end of the plunger pump housing (7), an inlet end piston (22) is slidably connected to the inner side face of the inlet end of the plunger pump housing (7), and the water injection ports (21) are located at one end, close to the outer side, of the inlet end piston (22).

Description

Ceramic pump crystallization-preventing device of filling machine Technical Field The invention relates to the technical field of ceramic pump crystallization prevention devices, in particular to a ceramic pump crystallization prevention device of a filling machine. Background In the field of medicine production, a concentrated solution for sodium, potassium, magnesium and calcium injection is used as an important electrolyte supplementary preparation, and is mostly processed by adopting a ceramic pump filling mode, at present, the concentration of liquid medicine is as high as 168mg/ml in the production of the concentrated solution for sodium, potassium, magnesium and calcium injection, so that the viscosity coefficient is large, the fluidity is poor, when the ceramic plunger pump is adopted for filling, the friction resistance between a piston and a pump barrel is obviously increased due to the internal friction force of the high-viscosity liquid medicine, so that the filling pump is blocked, meanwhile, the high-concentration liquid medicine is easy to reach a supersaturated state when flowing in the pump, and crystals are formed on the surface of a pump body channel or the piston, so that the pump blocking phenomenon is aggravated, and the production efficiency and the product quality are seriously affected. Therefore, a ceramic pump crystallization preventing device of a filling machine is provided to solve the problems set forth in the above. Disclosure of Invention According to the ceramic pump crystallization preventing device of the filling machine, water can be stably injected into the inlet end of the plunger pump through the matching of the liquid storage cup component, the water injection pipe and the inlet end of the plunger pump, water can form a water film lubricating layer in a gap between a piston and a pump cylinder, friction resistance between the piston and the pump cylinder caused by high-viscosity liquid medicine is effectively reduced, so that filling pump blocking is reduced, meanwhile, the local concentration of the liquid medicine in the pump can be reduced by trace water, crystallization of the liquid medicine at a pump body channel piston due to the fact that the liquid medicine does not reach a supersaturated state through flowing is avoided, the problem of blocking is further solved, continuity of a filling process of a concentrated solution for sodium, potassium, magnesium and calcium injection is further guaranteed, production efficiency is improved, and the problems in the background art can be solved. The liquid storage cup assembly comprises a liquid storage cup shell, a liquid storage cup base, a rotating block and a sliding piston, wherein a water inlet and a water outlet are formed in the outer side surface of the liquid storage cup, the water outlet is connected with a water injection pipe, and the other end of the water injection pipe is connected with a plunger pump shell; The lifting assembly comprises a lifting plate, two ends of the lifting plate are in sliding connection with the inner side surface of the frame, the liquid storage cup base is fixedly connected with the upper surface of the lifting plate, the lower end of the liquid storage cup shell is fixedly connected with the upper end of the liquid storage cup base through a clamp, and the plurality of liquid storage cup shells and the liquid storage cup base are synchronously lifted through the lifting assembly; One end of the sliding piston, which is far away from the base of the liquid storage cup, is connected with a rotating motor through a coupler, and the rotating motor is fixedly connected with the top of the frame. Preferably, the one end that the turning block is close to the stock solution cup base is equipped with the boss, the boss joint is in stock solution cup casing with between the stock solution cup base, the turning block with be equipped with the convenience between the stock solution cup base the turning block pivoted ball. Preferably, the outer side surface of the sliding piston is in sliding connection with the inner side surface of the liquid storage cup shell, a limiting rod is fixedly connected with one side surface of the rotating block, which is close to the sliding piston, and the limiting rod is inserted into the sliding piston and is in sliding connection with the sliding piston. Preferably, the upper surface of the rotating block is provided with a notch opposite to the water inlet, the water inlet and the water outlet are positioned at the same height, a rubber ring is embedded in the inner side of the liquid storage cup shell, and the rubber ring is provided with holes at the water inlet and the water outlet. Preferably, a sealing gasket is arranged between the liquid storage cup base and the liquid storage cup shell, a plurality of first sealing rings are embedded on the outer side face of the rotating block, and a plurality of second sealing rings are embedded on the outer