Automatic injection molding device for piston pump

By introducing telescopic motion and spring buffering mechanism into the automatic injection and pressing device for piston pumps, the problems of unstable liquid delivery and slow discharge of piston pumps are solved, quantitative delivery and accelerated discharge of liquid are achieved, and the user experience of the equipment is optimized.

CN120798720APending Publication Date: 2025-10-17TAIZHOU BAIGUAN PUMP & VALVE TECH CO LTD
View PDF 5 Cites 0 Cited by

Patent Information

Application Number
CN202511308038.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-15
Publication Date
2025-10-17

AI Technical Summary

Technical Problem

The existing automatic injection and pressure device for piston pumps lacks a deceleration device during use, which causes the piston to collide with the plug groove, affecting the stability of the liquid delivery volume and the user experience of the equipment. At the same time, the liquid is not discharged fast enough, resulting in liquid accumulation in the pipeline, affecting the efficiency of the equipment.

Method used

An automatic injection and pressure device for a piston pump is designed. An outer metal cylinder is inserted into a first metal tube for telescopic movement, pushing the first pressure plate to generate pressure. The quantitative delivery and accelerated discharge of liquid are controlled through the pressure relief holes and the pressure relief connecting pipe. The springs of the first and second pressure plates are used for shock absorption and buffering to optimize the liquid delivery process.

Benefits of technology

It realizes quantitative storage and accelerated delivery of liquids, reduces shaking and collision during liquid delivery, and improves the user experience and efficiency of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120798720A_ABST
    Figure CN120798720A_ABST
Patent Text Reader

Abstract

The invention relates to the technical field of automatic injection molding devices, and discloses an automatic injection molding device for a piston pump, which comprises an injection molding device main body, a piston pump outer pipe is movably sleeved in the injection molding device main body, a first metal pipe is fixedly sleeved in the piston pump outer pipe, and an outer metal cylinder is movably sleeved in the first metal pipe. A first pressure plate is fixedly connected to the exterior of the outer metal cylinder, a first spring is fixedly connected to the exterior of the first pressure plate, a pressure relief hole is formed in the exterior of the first pressure plate, and a pressure relief connecting pipe is movably connected to the interior of the pressure relief hole in a sleeving mode; pressure is conveyed into a pressure relief connecting pipe from a pressure relief hole, so that a blocking metal plate is pushed to stretch out and draw back downwards, liquid in a liquid conveying pipeline is quantitatively stored conveniently, meanwhile, conveying of the liquid in the liquid conveying pipeline is accelerated through air pressure generated by movement of a first pressure plate, and the liquid conveying efficiency is improved. And thus, the use experience of the equipment is effectively optimized.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automatic injection pressure devices, more particularly to an automatic injection pressure device for a piston pump. BACKGROUND

[0002] The automatic injection pressure device for a piston pump is an auxiliary device for a piston pump, which can realize automatic injection pressure function, improve the working efficiency and safety of the piston pump, and improve the operation efficiency and reduce the energy consumption by accurately controlling the water injection pressure and flow, so as to meet different industrial demands.

[0003] The existing automatic injection pressure device for a piston pump will block the liquid flow by the up and down movement of the two pistons in daily use, so as to facilitate the quantitative delivery of the liquid. However, because the piston lacks a slowing device, the piston and the plug groove collide, which changes the delivery amount and affects the use experience of the equipment.

[0004] The existing automatic injection pressure device for a piston pump needs to discharge the quantitative liquid in daily use. However, because the liquid in the internal pipeline is not discharged fast enough when the equipment runs faster, the liquid in the pipeline will accumulate, which affects the use experience of the equipment. SUMMARY

[0005] In order to overcome the above-mentioned defects of the prior art, the present application provides an automatic injection pressure device for a piston pump to solve the problems existing in the background art.

[0006] The present application provides the following technical scheme: an automatic injection pressure device for a piston pump, comprising an injection pressure device main body, the inside of the injection pressure device main body movably sleeving a piston pump outer pipe, the inside of the piston pump outer pipe fixedly sleeving a first metal pipe, the inside of the first metal pipe movably sleeving an outer metal cylinder, the outside of the outer metal cylinder fixedly connecting a first pressure plate, the outside of the first pressure plate fixedly connecting a first spring, the outside of the first pressure plate being provided with a pressure relief hole, the inside of the pressure relief hole movably sleeving a pressure relief connecting pipe, the inside of the pressure relief connecting pipe movably sleeving a blocking metal plate, the outside of the first pressure plate fixedly connecting an inner metal cylinder, and the outside of the inner metal cylinder fixedly connecting a second pressure plate.

[0007] Further, the inside of the injection pressure device main body movably sleeving a telescopic column, the outside of the telescopic column fixedly connecting a extrusion push plate, and the outside of the extrusion push plate fixedly connecting a plastic metal pressure column.

[0008] Further, the inside of the pressure relief connecting pipe fixedly connecting a second spring, the bottom of the second spring fixedly connecting the blocking metal plate, and the outside of the blocking metal plate being provided with a pressure relief pipeline.

[0009] Further, the bottom of the pressure relief pipeline is fixedly connected with a liquid delivery pipeline, one end of the liquid delivery pipeline is fixedly connected with the discharge port, the other end of the liquid delivery pipeline is fixedly connected with the feeding port, and the inside of the liquid delivery pipeline is fixedly connected with a convex anticorrosive metal block.

[0010] Further, the inside of the discharge port is movably sleeved with a sealing baffle, and the bottom of the discharge port is fixedly connected with an extrusion circular groove.

[0011] Further, the outside of the sealing baffle is movably connected with a baffle trigger, and the outside of the baffle trigger is provided with a convex metal block.

[0012] Further, the inside of the piston pump outer tube is fixedly connected with a ball plug blocking frame, the outside of the ball plug blocking frame is provided with a liquid inlet ball plug, the outside of the liquid inlet ball plug is provided with a liquid inlet pipeline, and the outside of the liquid inlet pipeline is fixedly connected with a liquid storage tank.

[0013] Technical effects and advantages of the present application: 1. The inside of the first metal pipe is sleeved with an outer metal cylinder for telescopic movement, so as to push the first pressure plate inward, generate pressure, deliver the pressure from the pressure relief hole to the pressure relief connecting pipe, push the blocking metal plate downward for telescopic movement, facilitate quantitative storage of the liquid in the liquid delivery pipeline, and accelerate the delivery of the liquid in the liquid delivery pipeline by using the air pressure generated by the movement of the first pressure plate, thereby effectively optimizing the use experience of the equipment.

[0014] 2. The first spring installed on the first pressure plate can have a damping effect, so that when the second pressure plate connected with the inner metal cylinder is closed, the second pressure plate can be prevented from shaking, thereby reducing the quantitative output of the liquid during delivery, and the first spring can have a buffering effect when the second pressure plate hits the closing groove during opening and closing, thereby effectively optimizing the use experience of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0016] Figure 2 It is a schematic diagram of the baffle trigger structure of the present application.

[0017] Figure 3 It is a schematic diagram of the piston pump outer tube structure of the present application.

[0018] Figure 4 It is a schematic diagram of the first metal pipe structure of the present application.

[0019] Figure 5 It is a schematic diagram of the first pressure plate structure of the present application.

[0020] Figure 6 Fig. 1 is a schematic diagram of the infusion pipeline structure of the present application.

[0021] Figure 7 Fig. 2 is a schematic diagram of the baffle trigger structure of the present application.

[0022] The reference signs are: 1, injection device main body; 2, piston pump outer tube; 3, first metal tube; 4, first pressure plate; 5, first spring; 6, pressure relief hole; 7, pressure relief connecting tube; 8, blocking metal plate; 9, inner metal cylinder; 10, second pressure plate; 11, outer metal cylinder; 101, telescopic column; 102, extrusion push plate; 103, plastic metal pressure column; 104, second spring; 105, pressure relief pipeline; 106, infusion pipeline; 107, discharge port; 108, feed port; 109, convex corrosion-resistant metal block; 201, extrusion circular groove; 202, convex metal block; 203, baffle trigger; 204, ball plug blocking frame; 205, liquid inlet ball plug; 206, liquid inlet pipeline; 207, liquid storage tank; 301, sealing baffle. DETAILED DESCRIPTION

[0023] The technical solutions in the present application will be described clearly and completely below in combination with the drawings in the present application, and in addition, the forms of each structure described in the following embodiments are only examples, and the automatic injection device for piston pump involved in the present application is not limited to each structure described in the following embodiments, and all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0024] REFERENCE Figures 1-7The application provides an automatic pressure injection device for a piston pump, which comprises an injection device body 1, a piston pump outer pipe 2 movably sleeved in the injection device body 1, a first metal pipe 3 fixedly sleeved in the piston pump outer pipe 2, an outer metal cylinder 11 movably sleeved in the first metal pipe 3, a first pressure plate 4 fixedly connected to the outer metal cylinder 11, a first spring 5 fixedly connected to the first pressure plate 4, a pressure relief hole 6 arranged outside the first pressure plate 4, a pressure relief connecting pipe 7 movably sleeved in the pressure relief hole 6, and a blocking metal plate 8 movably sleeved in the pressure relief connecting pipe 7.

[0025] In a preferred embodiment, the injection device body 1 movably sleeves a telescopic column 101, the telescopic column 101 is fixedly connected to an extrusion push plate 102, and the extrusion push plate 102 is fixedly connected to a plastic metal pressing column 103.

[0026] In a preferred embodiment, the pressure relief connecting pipe 7 is fixedly connected to a second spring 104, the bottom of the second spring 104 is fixedly connected to the blocking metal plate 8, and the blocking metal plate 8 is provided with a pressure relief pipe 105, which is beneficial to the following situations: when the air pressure pushes the blocking metal plate 8 to block the communication of the infusion pipeline 106, the blocking metal plate 8 will be downwardly pressed, so that the air pressure flows through the pressure relief pipe 105, thereby pushing the liquid in the infusion pipeline 106 to be accelerated to be output, and when the first pressure plate 4 sucks the air pressure, the blocking metal plate 8 will be upwardly pulled by the second spring 104 and block the communication between the pressure relief pipe 105 and the pressure relief hole 6.

[0027] In a preferred embodiment, the bottom of the pressure relief pipeline 105 is fixedly connected to the infusion pipeline 106, one end of the infusion pipeline 106 is fixedly connected to the discharge port 107, the other end of the infusion pipeline 106 is fixedly connected to the feeding port 108, the inside of the infusion pipeline 106 is fixedly connected to the protruding anticorrosive metal block 109, which is beneficial to adhere to the blocking metal plate 8, thereby increasing the sealing performance, and the push force and suction force are generated by the opening and closing of the second pressure plate 10, so as to transport the liquid from the feeding port 108 to the infusion pipeline 106, and transport the liquid to the extrusion circular groove 201 through the discharge port 107.

[0028] In a preferred embodiment, the inside of the discharge port 107 is movably sleeved with the sealing baffle 301, and the bottom of the discharge port 107 is fixedly connected to the extrusion circular groove 201, which is beneficial to the telescopic movement of the sealing baffle 301 in the discharge port 107, so as to ensure the sealing performance of the extrusion circular groove 201.

[0029] In a preferred embodiment, the outside of the sealing baffle 301 is movably connected to the baffle trigger 203, and the outside of the baffle trigger 203 is provided with the protruding metal block 202, which is beneficial to the pushing of the baffle trigger 203 by the protruding metal block 202 when the first metal pipe 3 moves inward, so as to push and pull the sealing baffle 301 through the connecting rod between the baffle trigger 203 and the sealing baffle 301 to close the sealing baffle 301, and when the first metal pipe 3 moves outward, the baffle of the baffle trigger 203 lacks the pushing force, so that the baffle can be reset by the spring tension, so as to open the sealing baffle 301.

[0030] In a preferred embodiment, the inside of the piston pump outer pipe 2 is fixedly connected to the ball plug blocking frame 204, the outside of the ball plug blocking frame 204 is provided with the liquid inlet ball plug 205, the outside of the liquid inlet ball plug 205 is provided with the liquid inlet pipeline 206, and the outside of the liquid inlet pipeline 206 is fixedly connected to the liquid storage groove 207, which is beneficial to the pushing force generated by the extension of the second pressure plate 10, so as to block the liquid inlet ball plug 205 outside the liquid inlet pipeline 206 to prevent it from entering the liquid, and the suction force is generated when the second pressure plate 10 is retracted, so that the liquid inlet ball plug 205 leaves the pipe opening of the liquid inlet pipeline 206 and is adsorbed in the ball plug blocking frame 204, thereby facilitating its entry into the liquid.

[0031] The working principle of the present application: the present application provides an automatic injection pressure device for piston pump, through the telescopic movement of the outer metal cylinder 11 sleeved in the first metal pipe 3, the first pressure plate 4 is pushed inward to generate pressure, and the pressure is delivered from the pressure relief hole 6 to the pressure relief connecting pipe 7, so as to push the blocking metal plate 8 downward to stretch, which is convenient for quantitative storage of the liquid in the infusion pipeline 106, and the air pressure generated by the movement of the first pressure plate 4 can accelerate the delivery of the liquid in the infusion pipeline 106, so as to effectively optimize the use experience of the equipment, the first spring 5 installed on the first pressure plate 4 can play a damping effect, so that when the second pressure plate 10 connected with the inner metal cylinder 9 is closed, the shaking of the second pressure plate 10 can be reduced, so as to reduce the quantitative output of the liquid during delivery, and the first spring 5 can play a buffering role when the second pressure plate 10 is opened and closed in the impact slot, so as to effectively optimize the use experience of the equipment, the telescopic column 101 is movably sleeved in the injection pressure device main body 1, the extrusion push plate 102 is fixedly connected to the outside of the telescopic column 101, and the shaped metal pressure column 103 is fixedly connected to the outside of the extrusion push plate 102, which is beneficial to the telescopic movement of the telescopic column 101 sleeved in the injection pressure device main body 1, so as to pull the shaped metal pressure column 103 installed on the extrusion push plate 102 to extrude the liquid in the extrusion circular groove 201, so as to solidify and shape the liquid.

[0032] The second spring 104 is fixedly connected to the inside of the pressure relief connecting pipe 7, the bottom of the second spring 104 is fixedly connected with the blocking metal plate 8, and the outside of the blocking metal plate 8 is provided with a pressure relief pipeline 105, which is beneficial to the communication between the pressure relief pipeline 105 and the pressure relief hole 6 when the air pressure pushes the blocking metal plate 8 to block the communication of the infusion pipeline 106, so that the liquid in the infusion pipeline 106 is pushed out, and when the first pressure plate 4 in the infusion pipeline 106 is sucked back, the air pressure is reduced, so that the second spring 104 is stretched upward and the blocking metal plate 8 blocks the communication between the pressure relief pipeline 105 and the pressure relief hole 6, the bottom of the pressure relief pipeline 105 is fixedly connected with the infusion pipeline 106, one end of the infusion pipeline 106 is fixedly connected with the discharge port 107, the other end of the infusion pipeline 106 is fixedly connected with the feeding port 108, the inside of the infusion pipeline 106 is fixedly connected with the protruding anticorrosion metal block 109, which is beneficial to the adhesion with the blocking metal plate 8, so as to increase the sealing property, the opening and closing of the second pressure plate 10 can generate thrust and suction, so as to deliver the liquid from the feeding port 108 to the infusion pipeline 106, and then to the extrusion circular groove 201 through the discharge port 107.

[0033] The inner movable sleeve sealing baffle 301 of the discharge port 107 is fixedly connected with the extrusion circular groove 201 at the bottom, which is beneficial to the extension and contraction of the sealing baffle 301 in the discharge port 107, so as to ensure the sealing property of the extrusion circular groove 201. The outer part of the sealing baffle 301 is movably connected with the baffle trigger 203. The baffle trigger 203 is provided with a protruding metal block 202 at the outer part, which is beneficial to the pushing of the baffle trigger 203 by the protruding metal block 202 when the first metal pipe 3 moves inward, so as to push and pull the sealing baffle 301 through the connecting rod between the baffle trigger 203 and the sealing baffle 301 to close the sealing baffle 301. When the first metal pipe 3 moves outward, the baffle of the baffle trigger 203 lacks the pushing force, and the spring tension can be used to reset the baffle, so as to open the sealing baffle 301. The inner part of the piston pump outer pipe 2 is fixedly connected with the ball plug blocking frame 204, the outer part of the ball plug blocking frame 204 is provided with the liquid inlet ball plug 205, the outer part of the liquid inlet ball plug 205 is provided with the liquid inlet pipeline 206, and the outer part of the liquid inlet pipeline 206 is fixedly connected with the liquid storage groove 207. When the second pressure plate 10 extends, the liquid inlet ball plug 205 is blocked outside the liquid inlet pipeline 206 to prevent it from entering the liquid, and when the second pressure plate 10 is recovered, the liquid inlet ball plug 205 leaves the pipe opening of the liquid inlet pipeline 206 and is adsorbed in the ball plug blocking frame 204, so as to facilitate the entry of the liquid.

[0034] Although the present application has been shown and described with respect to the preferred embodiments thereof, it will be apparent that certain changes and modifications can be made without departing from the spirit and scope of the application, and therefore the scope of the application should not be limited by the above description but should be defined in accordance with the following claims and their equivalents.

[0035] Finally, it should be noted that: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change; Secondly: the present application relates to the structure in the drawings of the present application, other structures can refer to the usual design, in the case of no conflict, the same invention and different inventions of the present application can be combined with each other; Finally: the above-mentioned only for the preferred invention of the present application, and does not limit the present application, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application, should be included in the protection scope of the present application.

Claims

1. An automatic injection-pressing device for a piston pump, comprising an injection-pressing device body (1), characterized in that: The inner part of the injection and pressure device body (1) is movably connected to the outer tube (2) of the piston pump, the inner part of the outer tube (2) of the piston pump is fixedly connected to the first metal tube (3), the inner part of the first metal tube (3) is movably connected to the outer metal cylinder (11), the outer part of the outer metal cylinder (11) is fixedly connected to the first pressure plate (4), the outer part of the first pressure plate (4) is fixedly connected to the first spring (5), the outer part of the first pressure plate (4) is provided with a pressure relief hole (6), the inner part of the pressure relief hole (6) is movably connected to the pressure relief connecting pipe (7), the inner part of the pressure relief connecting pipe (7) is movably connected to the blocking metal plate (8), the outer part of the first pressure plate (4) is fixedly connected to the inner metal cylinder (9), and the outer part of the inner metal cylinder (9) is fixedly connected to the second pressure plate (10).

2. The automatic injection and pressing device for a piston pump according to claim 1, characterized in that: The main body (1) of the injection molding device is internally movably connected to a telescopic column (101), the exterior of the telescopic column (101) is fixedly connected to an extrusion push plate (102), and the exterior of the extrusion push plate (102) is fixedly connected to a shaping metal pressure column (103).

3. The automatic injection and pressing device for a piston pump according to claim 1, characterized in that: The interior of the pressure relief connecting pipe (7) is fixedly connected to the second spring (104), the bottom of the second spring (104) is fixedly connected to the blocking metal plate (8), and the outside of the blocking metal plate (8) is provided with a pressure relief pipe (105).

4. The automatic injection and pressing device for a piston pump according to claim 3, characterized in that: The bottom of the pressure relief pipe (105) is fixedly connected to the liquid infusion pipe (106), one end of the liquid infusion pipe (106) is fixedly connected to the discharge port (107), the other end of the liquid infusion pipe (106) is fixedly connected to the feed port (108), and the interior of the liquid infusion pipe (106) is fixedly connected to a raised anti-corrosion metal block (109).

5. The automatic injection and pressing device for a piston pump according to claim 4, characterized in that: The interior of the discharge port (107) is movably sleeved with a sealing baffle (301), and the bottom of the discharge port (107) is fixedly connected to the extrusion circular groove (201).

6. The automatic injection and pressing device for a piston pump according to claim 5, characterized in that: The exterior of the sealing baffle (301) is movably connected to a baffle trigger (203), and a protruding metal block (202) is provided on the exterior of the baffle trigger (203).

7. The automatic injection and pressing device for a piston pump according to claim 1, characterized in that: The interior of the piston pump outer tube (2) is fixedly connected to a ball plug blocking frame (204), the exterior of the ball plug blocking frame (204) is provided with a liquid inlet ball plug (205), the exterior of the liquid inlet ball plug (205) is provided with a liquid inlet pipe (206), and the exterior of the liquid inlet pipe (206) is fixedly connected to a liquid storage tank (207).

Citation Information

Patent Citations

  • Plastic product processing injection mold with quantity control conveying structure

    CN119189205A

  • Automatic equipment suitable for plastic part forming

    CN213617936U

  • PVC vertical injection molding machine for sandal production

    CN214926444U

  • Vacuum die-casting apparatus

    JP2004114097A

  • Syringes adapted to overcome a pressure resistance

    US4113144A