阅读说明：本技术 一种柱塞泵用旋转盘及其加工方法和注塑模具 (Rotating disc for plunger pump, machining method of rotating disc and injection mold ) 是由 傅珂珂 李进 于 2019-12-04 设计创作，主要内容包括：本发明公开了一种柱塞泵用旋转盘及其加工方法和注塑模具,其中,柱塞泵用旋转盘包括摩擦面片、柱塞套、旋转轴和盘体；柱塞套安装于盘体上,其数量为多个；多个柱塞套均匀设置于旋转轴的周围,盘体的径向与旋转轴的轴向垂直,盘体的材质为塑料,将摩擦面片、柱塞套和旋转轴融合为一体,摩擦面片的材质为合金钢,旋转轴的材质为合金钢,柱塞套的材质为铜合金,采用这种结构,可使得体积变小,流量变大,通过将柱塞泵用旋转盘中的盘体采用塑料材质,可有效地降低整个旋转盘的重量,通过塑料材质的盘体将摩擦面片、柱塞套和旋转轴融合为一体,降低整个旋转盘的加工成本,将摩擦面片,柱塞套和旋转轴分别选择更加适用的材质,提高旋转盘的使用寿命。(The invention discloses a rotating disc for a plunger pump, a processing method thereof and an injection mold, wherein the rotating disc for the plunger pump comprises a friction surface sheet, a plunger sleeve, a rotating shaft and a disc body; the plunger sleeves are arranged on the disc body, and the number of the plunger sleeves is multiple; a plurality of plunger bushings evenly set up around the rotation axis, the radial and the axial of rotation axis of disk body are perpendicular, the material of disk body is plastics, with the friction surface piece, plunger bushing and rotation axis are fused as an organic whole, the material of friction surface piece is alloy steel, the material of rotation axis is alloy steel, the material of plunger bushing is the copper alloy, adopt this kind of structure, can make the volume diminish, the flow grow, disk body through with in the plunger pump rotary disk adopts the plastics material, can reduce the weight of whole rotary disk effectively, the disk body through the plastics material is with the friction surface piece, plunger bushing and rotation axis are fused as an organic whole, reduce the processing cost of whole rotary disk, with the friction surface piece, the material that is more suitable for is selected respectively to plunger bushing and rotation axis, the life of improvement rotary disk.)

1. A rotary disk for a plunger pump is characterized by comprising a friction surface sheet, a plunger sleeve, a rotary shaft and a disk body; the plunger sleeves are arranged on the disc body, and the number of the plunger sleeves is multiple; the plunger sleeves are uniformly arranged around the rotating shaft, the radial direction of the disc body is perpendicular to the axial direction of the rotating shaft, the disc body is made of plastics, the friction surface sheet, the plunger sleeves and the rotating shaft are integrated into a whole, the friction surface sheet is made of alloy steel, the rotating shaft is made of alloy steel, and the plunger sleeves are made of copper alloy.

2. A rotating disk for a plunger pump according to claim 1, wherein said friction surface piece is made of 38CrMoAl alloy steel; the plunger sleeve is made of ZCuZn25Al6Fe3Mn3 copper alloy; the rotating shaft is made of 40Cr alloy steel.

3. A rotary disk for a plunger pump according to claim 1, wherein a surface of the rotary shaft is provided with a chromium plating.

4. A rotating disk for a plunger pump according to claim 1, wherein said friction surface piece is provided at one axial end of said disk body so as to cover an end face of said disk body.

5. A rotary disk for a plunger pump according to claim 1, wherein said plunger sleeve is 5 in number and is annularly provided on an end surface of the other end in the axial direction of said disk body.

6. A rotary disk for a plunger pump according to claim 1, wherein the material of the disk is glass fiber reinforced polyamide.

7. A method for processing a rotating disk for a plunger pump is characterized by comprising the following steps: placing the friction surface sheet, the plunger sleeve and the rotating shaft in an injection mold according to preset positions;

PA66+ 30% GF was melted in an injection mold and cooled to form a rotating disk.

8. The method for processing a rotating disc for a plunger pump according to claim 7, wherein the rotating shaft penetrates the friction surface piece and is perpendicular to the friction surface piece, and the plunger sleeves are uniformly distributed around the rotating shaft.

9. The utility model provides an injection mold of rotary disk for plunger pump which characterized in that includes: the movable die is provided with a first cavity, copper sleeve positioning columns are arranged in the first cavity, and the copper sleeve positioning columns are distributed along the center of the first cavity in a circumferential manner; and a second cavity is arranged at the position of the fixed die corresponding to the first cavity and used for accommodating the friction surface sheet.

10. An injection mold for a rotary disk for a plunger pump according to claim 9, wherein a first positioning hole is provided at the center of the first cavity, a second positioning hole is provided at the center of the second cavity, the first positioning hole and the second positioning hole are both circular, and the rotary shaft is disposed between the first positioning hole and the second positioning hole.

Technical Field

The embodiment of the invention relates to the technical field of high-pressure cleaning machines, in particular to a rotating disc for a plunger pump, a processing method of the rotating disc and an injection mold of the rotating disc.

Background

The cleaning machine is driven by a motor to drive a pump body to move, static water is converted into high-speed water flow to be sprayed out, cleaning work such as car washing, ground washing and the like can be carried out by the cleaning machine, and the cleaning machine is small in size and convenient to carry, so that the cleaning machine is widely applied in life.

At present, the cleaning machine on the market is moved the drive sloping cam plate by the motor and is rotated, draws water the plunger on the plunger pump of usefulness and contradict all the time on the sloping cam plate through the spring, installs the sloping cam plate on the rotation axis, and the contained angle between the radial of sloping cam plate and the axial of rotation axis is the acute angle, but this kind of structure is unstable, and the volume ratio is bigger, and the flow is less, and when the quantity of plunger was a plurality of, will not adopt the structure among the prior art on the cleaning machine.

Disclosure of Invention

Therefore, the embodiment of the invention provides a rotating disc for a plunger pump, a processing method thereof and an injection mold, and aims to solve the problems that the structure in the prior art is unstable, the volume is large, the flow is small, and when a plurality of plungers are provided, the structure in the prior art cannot be adopted by a cleaning machine.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

according to a first aspect of embodiments of the present invention, there is provided a rotary disk for a plunger pump, including a friction surface piece, a plunger sleeve, a rotary shaft, and a disk body; the plunger sleeve is installed on the disc body, the number of the plunger sleeves is multiple, the plunger sleeves are evenly arranged on the periphery of the rotating shaft, the radial direction of the disc body is perpendicular to the axial direction of the rotating shaft, the disc body is made of plastics, the friction surface sheet, the plunger sleeve and the rotating shaft are integrated, the friction surface sheet is made of alloy steel, the rotating shaft is made of alloy steel, and the plunger sleeve is made of copper alloy.

Further, the friction surface piece is made of 38CrMoAl alloy steel.

Furthermore, the material of the plunger sleeve is ZCuZn25Al6Fe3Mn3 copper alloy.

Further, the material of the rotating shaft is 40Cr alloy steel.

Further, the surface of the rotating shaft is provided with a chromium plating layer.

Furthermore, the friction surface sheet is arranged at one axial end of the disc body and covers the end face of the disc body.

Furthermore, the number of the plunger sleeves is 5, and the plunger sleeves are annularly arranged on the end face of the other end of the disc body in the axial direction.

Furthermore, the tray body is made of glass fiber reinforced polyamide.

According to a second aspect of the embodiments of the present invention, there is provided a method of processing a rotating disk for a plunger pump, including: placing the friction surface sheet, the plunger sleeve and the rotating shaft in an injection mold according to preset positions;

PA66+ 30% GF was melted in an injection mold and cooled to form a rotating disk.

Furthermore, the rotating shaft penetrates through the friction surface sheet and is perpendicular to the friction surface sheet, and the plunger sleeves are uniformly distributed around the rotating shaft.

According to a third aspect of embodiments of the present invention, there is provided an injection mold for a rotary disk for a plunger pump, comprising: the movable die is provided with a first cavity, copper sleeve positioning columns are arranged in the first cavity, and the copper sleeve positioning columns are distributed along the center of the first cavity in a circumferential manner; and a second cavity is arranged at the position of the fixed die corresponding to the first cavity and used for accommodating the friction surface sheet.

Furthermore, a first positioning hole is formed in the center of the first cavity, a second positioning hole is formed in the center of the second cavity, the first positioning hole and the second positioning hole are both circular, and a rotating shaft is arranged between the first positioning hole and the second positioning hole.

The embodiment of the invention has the following advantages:

the embodiment of the invention can ensure that the plunger piston moves in the range limited by the plunger piston sleeve by arranging the plunger piston sleeve on the disc body on the rotating disc, so that the structure is more stable, and more than one plunger piston can move simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic structural view of a rotary disk for a plunger pump according to an exemplary embodiment;

FIG. 2 is a schematic diagram illustrating another perspective of a rotating disk for a plunger pump in accordance with an exemplary embodiment;

FIG. 3 is a schematic diagram illustrating an overall structure of an injection mold for a rotary disk for a plunger pump according to an exemplary embodiment;

FIG. 4 is a schematic diagram illustrating an internal structure of an injection mold for a rotary disk for a plunger pump according to an exemplary embodiment;

in the figure: 10. rubbing the surface sheet; 20. a plunger sleeve; 30. a rotating shaft; 40. a tray body; 50. moving the mold; 51. a first cavity; 52. a copper bush positioning column; 60. fixing a mold; 61. a second cavity; 62. a second positioning hole; 70. an injection molding port; 71. and (5) injection molding the channel.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.