Plunger mold of plunger pump

By introducing a magnetic attraction and sliding connection structure into the plunger pump mold, the corrosion problem during mold replacement is solved, enabling convenient disassembly and installation of the mold, reducing replacement costs, and improving maintenance efficiency.

CN223589852UActive Publication Date: 2025-11-25HUAIAN FENGJI INTELLIGENT EQUIPMENT CO LTD
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Patent Information

Application Number
CN202422704344.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-11-25
Estimated Expiration
2034-11-06

AI Technical Summary

Technical Problem

Existing plunger pump molds are prone to seizing and corrosion during replacement, leading to increased mold replacement costs and a long mold maintenance and replacement cycle.

Method used

The design employs a magnetic attraction and sliding connection structure. By setting a fixed rod, a movable plate, an adjusting plate, and a magnet inside the mold, it enables convenient disassembly and installation of the mold and the drive shaft, thus avoiding corrosion.

Benefits of technology

It reduces the cost of mold replacement, improves the efficiency of mold maintenance, avoids violent disassembly, and extends the service life of the mold.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a plunger mold of a plunger pump, and particularly relates to the technical field of plunger pump processing, which comprises a fixed mold plate and a connecting plate arranged at the bottom end of the fixed mold plate. According to the utility model, the fixed rod is arranged in the groove, the movable plate is arranged on the outer wall of the fixed rod, the adjusting plate is arranged on the outer wall of the movable plate, and the swing plate is arranged in the adjusting groove, so that the pressed plate can conveniently move in the groove; most of the dies are connected through air cylinders or other power sources for machining, when the driving shafts of the air cylinders or other power sources are connected with the dies, the dies are connected with the dies through the mounting disc, and due to the fact that the die is long in use, overhaul and replacement period, when the dies need to be replaced, the problems that the dies are locked with the driving shafts, rusted and the like cannot occur subsequently. Therefore, the subsequent mold does not need to be violently disassembled, and the mold replacement cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to plunger pump processing technical field, concretely is plunger pump plunger mould. BACKGROUND

[0002] Plunger pump is an important device of hydraulic system. It relies on the reciprocating motion of plunger in cylinder to change the volume of sealed working cavity to realize oil absorption and oil compression. Plunger pump has the advantages of high rated pressure, compact structure, high efficiency and convenient flow regulation. Plunger pump is widely used in high pressure, large flow and flow regulation occasions, such as hydraulic machine, engineering machinery and ship.

[0003] At present, the plunger pump products on the market need to process the plunger inside the plunger pump by mould. In actual use, when the plunger inside the plunger pump is processed by mould, the plunger needs to be processed by mould. Most of them are processed and used by connecting the mould with the cylinder or other power sources. When the driving shaft 15 of the cylinder or other power sources is connected with the mould, the connecting piece and the bolt are used to connect the two. Because the mould has a long maintenance and replacement cycle, when the mould needs to be replaced, the bolt will be rusted and locked with the connecting piece, and the subsequent mould needs to be violently disassembled, which increases the cost of mould replacement. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing plunger pump plunger mould to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] Plunger pump plunger mould, including fixed mould plate and the connecting plate that fixed mould plate bottom sets up, the fixed mould plate top is connected with the mounting disc, the recess is set up in the mounting disc inside, the mounting groove is set up in the mounting disc top, the fixed rod is fixedly connected in the recess inside, the moving plate is connected with the fixed rod outer wall slidingly, the pressure plate is fixedly connected with the moving plate outer wall, the spring is equipped between the pressure plate outer wall and the recess, the adjusting plate is fixedly connected with the moving plate far from the pressure plate one end, the first magnet is fixedly connected with the adjusting plate outer wall, the second magnet is fixedly connected with the adjusting plate outer wall on the first magnet side, the positioning rod is equipped in the recess inside, the third magnet is fixedly connected with the positioning rod one end.

[0007] Further, the positioning rod far from the third magnet one end penetrates in the mounting groove inside and the positioning rod is connected with the mounting disc slidingly, the driving shaft is connected with the mounting groove inside slidingly, the addition of the third magnet makes the positioning rod move in the recess.

[0008] Further, the outer wall of the driving shaft is provided with a positioning groove, and one end of the positioning rod is in sliding connection with the positioning groove, and the outer wall of the mounting disc is provided with an adjusting groove, and the addition of the positioning groove facilitates the fixation of the position of the driving shaft.

[0009] Further, the adjusting groove is in communication with the groove, and the adjusting groove is hingedly connected with a swing plate, and the addition of the swing plate enables the pressure plate to move in the adjusting groove.

[0010] Further, the bottom end of the connecting plate is provided with an upper mold plate, the bottom end of the upper mold plate is provided with a lower mold plate, a guide column is arranged between the upper mold plate and the lower mold plate, and the addition of the spring enables the pressure plate to return to the initial position.

[0011] Further, the inner bottom end of the lower mold plate is provided with a ejector plate, and the bottom end of the lower mold plate is provided with a movable plate, and the addition of the movable plate enables the adjusting plate to drive the first magnet to move.

[0012] Compared with the prior art, the piston pump piston mold has the following beneficial effects:

[0013] 1. The piston pump piston mold can facilitate the disassembly and maintenance of the mold, the fixed rod is arranged in the groove, the movable plate is arranged on the outer wall of the fixed rod, the adjusting plate is arranged on the outer wall of the movable plate, the first magnet is arranged on one side of the adjusting plate, the third magnet is arranged on the outer wall of the positioning rod, and the swing plate is arranged in the adjusting groove, so that the pressure plate can move in the groove conveniently.

[0014] 2. The piston pump piston mold can facilitate the ejection of the product, the upper mold plate is arranged at the bottom end of the connecting plate, the lower mold plate is arranged at the bottom end of the upper mold plate, the guide column is arranged between the lower mold plate and the upper mold plate, and the ejector plate is arranged in the lower mold plate, so that the subsequent product can be easily ejected. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2The upper mold plate main section view of the utility model;

[0017] Figure 3 The recess profile view of the utility model;

[0018] Figure 4 The pressure plate structure schematic view of the utility model.

[0019] Marked number in drawing: 1, fixed mold plate; 2, connecting plate; 3, mounting disc; 4, recess; 5, mounting groove; 6, fixed rod; 7, moving plate; 8, pressure plate; 9, spring; 10, adjusting plate; 11, first magnet; 12, second magnet; 13, positioning rod; 14, third magnet; 15, driving shaft; 16, positioning groove; 17, adjusting groove; 18, swing plate; 19, upper mold plate; 20, lower mold plate; 21, guide column; 22, ejector pin panel; 23, movable mold plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Embodiment: please refer to Figure 1 、 Figure 3 and Figure 4 , the utility model provides plunger pump plunger mold, technical scheme is as follows:

[0022] Plunger pump plunger mold, including fixed mold plate 1 and the connecting plate 2 set up at the bottom of fixed mold plate 1, the top of fixed mold plate 1 is fixedly connected with mounting disc 3, is seted up with recess 4 in mounting disc 3 inside, mounting disc 3 top is seted up with mounting groove 5, recess 4 inside is fixedly connected with fixed rod 6, fixed rod 6 outer wall is slidably connected with moving plate 7, moving plate 7 outer wall is fixedly connected with pressure plate 8, and spring 9 is equipped between pressure plate 8 outer wall and recess 4, the one end of moving plate 7 away from pressure plate 8 is fixedly connected with adjusting plate 10, the outer wall of adjusting plate 10 is fixedly connected with first magnet 11, and the outer wall of adjusting plate 10 is fixedly connected with second magnet 12 on the side of first magnet 11, recess 4 inside is equipped with positioning rod 13, and one end of positioning rod 13 is fixedly connected with third magnet 14.

[0023] In a preferred embodiment, the one end of positioning rod 13 away from third magnet 14 is penetrated in mounting groove 5 inside and positioning rod 13 is slidably connected with mounting disc 3, and driving shaft 15 is slidably connected in mounting groove 5 inside, when third magnet 14 moves, third magnet 14 will drive positioning rod 13 to move, so that positioning rod 13 moves in recess 4 inside.

[0024] In a preferred embodiment, the outer wall of the driving shaft 15 is provided with a positioning groove 16, and one end of the positioning rod 13 is in sliding connection with the positioning groove 16, and the outer wall of the mounting disc 3 is provided with an adjusting groove 17, when the positioning rod 13 moves, the positioning rod 13 will move inside the mounting groove 5, and at the same time, one end of the positioning rod 13 will be separated from the positioning groove 16.

[0025] In a preferred embodiment, the adjusting groove 17 is in communication with the groove 4, and the adjusting groove 17 is hingedly connected with a swing plate 18, when the swing plate 18 moves, the swing plate 18 will move inside the adjusting groove 17, so that the swing plate 18 can drive the pressure plate 8 to move.

[0026] The working principle of the utility model is: when the device is used, and the mold and the driving shaft 15 need to be separated for maintenance and replacement, the swing plate 18 is swung, the swing plate 18 swings and moves inside the adjusting groove 17, one end of the swing plate 18 simultaneously swings and moves inside the groove 4, one end of the swing plate 18 will contact the outside of the pressure plate 8, at this time, the swing plate 18 will drive the pressure plate 8 to move, the pressure plate 8 will slide and move inside the groove 4, the pressure plate 8 will drive the moving plate 7 to move, the moving plate 7 will slide and move inside the groove 4, the moving plate 7 will slide and move outside the fixed rod 6, the moving plate 7 will simultaneously drive the adjusting plate 10 to move, the adjusting plate 10 will slide and move inside the groove 4, the adjusting plate 10 will drive the first magnet 11 and the second magnet 12 to slide and move inside the groove 4, the first magnet 11 will move away from the third magnet 14, at this time, the second magnet 12 is located on one side of the third magnet 14, the second magnet 12 and the third magnet 14 attract each other, the third magnet 14 drives the positioning rod 13 to move towards the adjusting plate 10, the third magnet 14 drives one end of the positioning rod 13 to move away from the positioning groove 16, so that the subsequent mold is convenient to disassemble from the driving shaft 15, when the mold is maintained or replaced, the maintained mold and the replaced mold are located at the bottom end of the driving shaft 15, the driving shaft 15 drives the positioning groove 16 to enter the mounting groove 5, at this time, the swing plate 18 is loosened, the pressure plate 8 loses the extrusion force of the swing plate 18, the elastic force of the spring 9 makes the pressure plate 8 return to the initial position, and then the first magnet 11 and the second magnet 12 return to the initial position, the first magnet 11 moves to one side of the third magnet 14, the first magnet 11 and the third magnet 14 repel each other, the third magnet 14 drives the positioning rod 13 to move, and then one end of the positioning rod 13 is conveniently located inside the positioning groove 16, and then the subsequent mold is conveniently fixed.

[0027] Please refer to Figure 1 and Figure 2The utility model provides technical scheme: plunger pump plunger mould, the bottom of connecting plate 2 is equipped with upper die plate 19, the bottom of upper die plate 19 is equipped with lower mould plate 20, is equipped with guide pillar 21 between upper die plate 19 and lower mould plate 20, when pressure plate 8 moves, pressure plate 8 will extrude spring 9, and simultaneously pressure plate 8 can drive moving plate 7 to move.

[0028] In a preferred embodiment, the lower mould plate 20 is internally provided with a ejector face plate 22, and the bottom of the lower mould plate 20 is provided with a movable die plate 23. When the moving plate 7 moves, the moving plate 7 can drive the adjusting plate 10 to move, so that the adjusting plate 10 moves inside the groove 4.

[0029] The utility model discloses a working principle: when the mould is integrally installed, it is necessary to add an installation movable clamp between the upper die plate 19 and the lower mould plate 20, which can conveniently integrate multiple inserts, and simultaneously connect one end of the driving shaft 15 of the cylinder or other power source with the installation disc 3. The upper die plate 19 and the lower mould plate 20 can be opened and closed and extruded by starting the cylinder or other power source in the subsequent process. When the mould is opened, the ejector face plate 22 inside the lower mould plate 20 can be connected with an external power source, so that the ejector plate on the ejector face plate 22 automatically ejects the product formed between the upper die plate 19 and the lower mould plate 20.

[0030] It is apparent for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A plunger mold for a plunger pump, comprising a fixed mold plate (1) and a connecting plate (2) arranged at the bottom end of the fixed mold plate (1), characterized in that: The fixed mold plate (1) top fixedly connected with the installation disc (3), the installation disc (3) inside is provided with a recess (4), the installation disc (3) top is provided with installation slot (5), the recess (4) is fixedly connected with the fixed rod (6) inside, the fixed rod (6) outer wall is slidably connected with the moving plate (7), the moving plate (7) outer wall is fixedly connected with the compression plate (8), the compression plate (8) outer wall and recess (4) between be equipped with spring (9), the moving plate (7) is fixedly connected with the adjusting plate (10) away from the compression plate (8) one end, the adjusting plate (10) outer wall is fixedly connected with the first magnet (11), the adjusting plate (10) outer wall is fixedly connected with the second magnet (12) on the one side of first magnet (11), the recess (4) is equipped with the positioning rod (13), the positioning rod (13) one end is fixedly connected with the third magnet (14).

2. The plunger pump plunger mold of claim 1, wherein: The positioning rod (13) away from the third magnet (14) one end is penetrated in the installation slot (5) inside and positioning rod (13) and installation disc (3) are slidably connected, the installation slot (5) inside is slidably connected with the driving shaft (15).

3. The plunger pump plunger mold of claim 2, wherein: The driving shaft (15) outer wall is provided with positioning slot (16) and positioning rod (13) one end and positioning slot (16) are slidably connected, the installation disc (3) outer wall is provided with adjusting slot (17).

4. The plunger pump plunger mold of claim 3, wherein: The adjusting slot (17) is communicated with the recess (4), the adjusting slot (17) inside is hingedly connected with the swing plate (18).

5. The plunger pump plunger mold of claim 1, wherein: The connecting plate (2) bottom is equipped with the upper die plate (19), the upper die plate (19) bottom is equipped with the lower die plate (20), the upper die plate (19) and lower die plate (20) between be equipped with guide column (21).

6. The plunger pump plunger mold of claim 5, wherein: The lower die plate (20) inside is equipped with the thimble panel (22), the lower die plate (20) bottom is equipped with the movable die plate (23).