CN218493793U - Magnetic coupling shaft structure of metering pump for low-pressure foaming machine/pouring machine - Google Patents
Magnetic coupling shaft structure of metering pump for low-pressure foaming machine/pouring machine Download PDFInfo
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- CN218493793U CN218493793U CN202222855168.3U CN202222855168U CN218493793U CN 218493793 U CN218493793 U CN 218493793U CN 202222855168 U CN202222855168 U CN 202222855168U CN 218493793 U CN218493793 U CN 218493793U
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- pump body
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- pressure foaming
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Abstract
The utility model discloses a magnetism axle linkage structure for a metering pump of a low-pressure foaming machine/pouring machine, which is characterized in that a pump body and a motor are arranged on the pump body, a pump body connecting disc is sleeved on the pump shaft, the end part of the pump shaft is fixedly connected with an inner magnet, an isolating sleeve is sleeved on the inner magnet, the opening end of the isolating sleeve is fixedly connected on the pump body connecting disc, a gap is left between the isolating sleeve and the inner magnet, a bell-shaped cover is connected on the pump body connecting disc, an outer magnet is arranged on the output end of the motor, and the outer magnet extends into the bell-shaped cover and then is sleeved on the isolating sleeve; the advantage is through interior outer magnet drive operation, and interior magnet can guarantee to locate the operation at the center of outer magnet, makes the output of motor and pump shaft be in same axis, ensures concentricity between them, and the separation sleeve is established to the cover on the pump shaft, and the raw materials only can be handled in pump shaft one side, just can not appear leaking the problem of expecting.
Description
Technical Field
The utility model relates to a connection structure of measuring pump and motor especially relates to a magnetism axle construction that links that is used for the measuring pump of low pressure foaming machine pouring machine.
Background
Polyurethane (PU), a full name of polyurethane, is a high molecular compound, and polyurethane products are made of polyurethane materials, and when the polyurethane products are processed, quantitative polyurethane raw materials are needed, and the dosage of the needed raw materials is needed to be controlled by using a metering pump.
Metering pumps, also known as dosing pumps or proportioning pumps, belong to the reciprocating displacement pumps and are used for precise metering.
The existing low-pressure foaming machine/pouring machine generally uses a gear metering pump to convey fluid raw materials, the gear pump depends on two gears sealed in a shell, the volume of a working space generated in the mutual meshing process is changed to convey the fluid raw materials, the pump body of the structure works, the concentricity of the output end of a motor and the pump shaft is difficult to guarantee, the axes of the motor and the pump shaft can generate deviation, and the pump body is sealed by adopting an oil seal, so that the material leakage condition can occur under the long-time use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an output shaft and the pump shaft of motor can guarantee the concentricity, the magnetism that is used for low pressure foaming machine pouring machine's measuring pump that can not leak the material links the axle construction.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the magnetic coupling shaft structure for the metering pump of the low-pressure foaming machine/pouring machine comprises a pump body and a motor, wherein a pump shaft is arranged on the pump body, a pump body connecting disc is sleeved on the pump shaft, an inner magnet is fixedly connected to the end portion of the pump shaft, an isolating sleeve is sleeved on the inner magnet, the opening end of the isolating sleeve is fixedly connected to the pump body connecting disc, a gap is reserved between the isolating sleeve and the inner magnet, a bell-shaped cover is connected to the pump body connecting disc, an outer magnet is arranged at the output end of the motor, and the outer magnet extends into the bell-shaped cover and then is sleeved on the isolating sleeve.
The utility model discloses a further preferred scheme does: the pump body connecting disc is provided with a connecting groove, the opening end of the isolation sleeve is provided with a connecting part, and the connecting part is embedded in the connecting groove.
The utility model discloses a further preferred scheme does: the connecting part is provided with a plurality of positioning holes, and the inner wall of the connecting groove is provided with fixing holes corresponding to the positioning holes.
The utility model discloses a further preferred scheme does: a sealing ring is arranged between the isolation sleeve and the pump body connecting disc, an annular mounting groove is formed in the isolation sleeve, and the sealing ring is arranged in the annular mounting groove.
The utility model discloses a further preferred scheme does: the end part of the bell-shaped cover is provided with an opening, and the output end of the motor extends into the bell-shaped cover from the opening to be fixedly connected with the outer magnet.
The utility model discloses a further preferred scheme does: the output end of the motor is connected with a speed reducer, an output shaft is arranged at the end part of the speed reducer, and the outer magnet is fixedly connected to the output shaft.
The utility model discloses a further preferred scheme does: the outer magnet is provided with a mounting hole, the inner wall of the mounting hole is provided with a limiting groove communicated with the mounting hole, the outer wall of the output shaft is provided with a limiting block, and the limiting block is clamped in the limiting groove after the output shaft is inserted into the mounting hole.
Compared with the prior art, the utility model has the advantages that be equipped with the pump shaft on the pump shaft, the cover is equipped with pump body connection pad on the pump shaft, the tip fixedly connected with interior magnet of pump shaft, the cover is equipped with the separation sleeve on the interior magnet, the open end fixed connection of separation sleeve is on pump body connection pad, leave the clearance between separation sleeve and the interior magnet, be connected with the bell jar on the pump body connection pad, be provided with the outer magnet on the output of motor, the outer magnet stretches into bell jar interior back cover and establishes on the separation sleeve, drive operation through interior outer magnet, interior magnet physical stamina guarantees the operation in the center department of outer magnet, the output that makes the motor is in same axis with the pump shaft, ensure concentricity between them, the separation sleeve is established to the cover on the pump shaft, the raw materials only can be handled in pump shaft one side, the problem of leaking just can not appear.
Drawings
The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on the concept of a composition or construction of the object being described and may include exaggerated displays and are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 1;
FIG. 4 is an enlarged view at A in FIG. 3;
FIG. 5 is a schematic view of a pump body connecting plate according to a preferred embodiment of the present invention;
FIG. 6 is a schematic view of a bell cup in a preferred embodiment of the invention;
FIG. 7 is a schematic view of a spacer sleeve according to a preferred embodiment of the present invention;
fig. 8 is a schematic view of an outer magnet in a preferred embodiment of the invention.
In the figure: 1. a pump body; 11. a pump shaft; 2. a motor; 21. a speed reducer; 22. an output shaft; 3. a pump body connecting disc; 31. a material returning hole; 32. connecting grooves; 321. a first fixing hole; 33. a second fixing hole; 4. an inner magnet; 5. an isolation sleeve; 51. an opening; 52. a gap; 53. a connecting portion; 531. a first positioning hole; 532. an annular mounting groove; 6. a seal ring; 7. a bell jar; 71. a second positioning hole; 72. opening a hole; 8. an outer magnet; 81. mounting holes; 82. a limiting groove.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.
It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined or explained in subsequent figures.
A magnetism axle construction that is used for measuring pump of low pressure foaming machine/pouring machine, including pump body 1 and motor 2, be provided with pump shaft 11 on the pump body 1, pump shaft 11 rotates on pump body 1, and motor 2 drive pump shaft 1 rotates.
The pump shaft 11 is sleeved with a pump body connecting disc 3, the pump body connecting disc 3 is fixedly connected to the pump body 1, a plurality of material returning holes 31 are formed in the pump body connecting disc 3, and the material returning holes 31 are used for returning punched materials to the pump body connecting disc 3 through the material returning holes 31.
The end of the pump shaft 11 is fixedly connected with the inner magnet 4, and the inner magnet 4 is fixedly connected with the end of the pump shaft 11.
The inner magnet 4 is sleeved with an isolation sleeve 5, an opening 51 is formed in one end of the isolation sleeve 5, after the isolation sleeve 5 is sleeved on the inner magnet 4, one end of the opening 51 is fixedly connected to the pump body connecting disc 3, and the isolation sleeve 5 is connected with the pump body connecting disc 3 in a sealing mode.
A gap 52 is reserved between the isolating sleeve 5 and the inner magnet 4, the inner magnet 4 is not in contact with the isolating sleeve 5, and the inner magnet 4 cannot be abraded when rotating.
The opening one end of separation sleeve 5 is provided with connecting portion 53, has seted up the spread groove 32 on the pump body connection pad 3, and connecting portion 53 inlays to be established in spread groove 32.
The connecting portion 53 is provided with a plurality of first positioning holes 531, the inner wall of the connecting groove 32 is provided with first fixing holes 321 corresponding to the first positioning holes 531, preferably, the first fixing holes 321 are screw holes, and screws are screwed into the first fixing holes 321 after passing through the first positioning holes 531 for locking.
Be equipped with sealing washer 6 between separation sleeve 5 and the pump body connection pad 3, seted up annular mounting groove 532 on connecting portion 53, sealing washer 6 is established in annular mounting groove 532, and connecting portion 53 inlays the back of establishing in connecting groove 32, and sealing washer 6 sticiss in the inside of connecting groove 32.
The pump body connecting disc 3 is connected with a bell-shaped cover 7, the output end of the motor 2 is provided with an outer magnet 8, and the outer magnet 8 extends into the bell-shaped cover 7 and then is sleeved on the isolation sleeve 5.
The bell jar 7 is provided with a plurality of second positioning holes 71, the pump body connecting disc 3 is provided with second fixing holes 33 corresponding to the second positioning holes 71, preferably, the second fixing holes 33 are screw holes, and screws are screwed into the second fixing holes 33 after passing through the second positioning holes 71 for locking.
An opening 72 is formed in the end of the bell jar 7, and the output end of the motor 2 extends into the bell jar 7 from the opening 72 and is fixedly connected with the outer magnet 8.
Further, the output end of the motor 2 is provided with a speed reducer 21, the speed reducer 21 is provided with an output shaft 22, and the outer magnet 8 is fixedly connected to the output shaft 22.
The outer magnet 8 is provided with a mounting hole 81, the inner wall of the mounting hole 81 is provided with a limiting groove 82 communicated with the mounting hole, the outer wall of the output shaft 22 is provided with a limiting block (not shown in the figure), after the output shaft 22 is inserted into the mounting hole 81, the limiting block is clamped in the limiting groove 82, and the output shaft 22 rotates to drive the outer magnet 8 to rotate.
When the motor 2 operates, the output shaft 22 on the speed reducer 21 rotates, the outer magnet 8 rotates along with the output shaft, the outer magnet 8 rotates to drive the inner magnet 4 to rotate, and the inner magnet 4 drives the pump shaft 11 to rotate.
The concentricity of the output shaft 22 and the pump shaft 11 can be ensured by the magnetic force between the outer magnet 8 and the inner magnet 4 to realize rotation.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships usually placed when the products of the present invention are used, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, should not be construed as limiting the present invention.
It is right above the utility model provides a magnetism even axle construction for low pressure foaming machine pouring machine's measuring pump has carried out detailed introduction, and it is right to have used specific individual example herein the utility model discloses a principle and implementation mode have been elucidated, and the description of above embodiment is only used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the scope of the appended claims.
Claims (7)
1. A magnetism axle construction that is used for measuring pump of low pressure foaming machine/pouring machine, its characterized in that: the pump comprises a pump body and a motor, wherein a pump shaft is arranged on the pump body, a pump body connecting disc is sleeved on the pump shaft, an inner magnet is fixedly connected to the end of the pump shaft, an isolating sleeve is sleeved on the inner magnet, the open end of the isolating sleeve is fixedly connected to the pump body connecting disc, a gap is reserved between the isolating sleeve and the inner magnet, a bell-shaped cover is connected to the pump body connecting disc, an outer magnet is arranged on the output end of the motor, and the outer magnet extends into the bell-shaped cover and then is sleeved on the isolating sleeve.
2. The magnetic coupling structure for a metering pump of a low pressure foaming/casting machine according to claim 1, wherein: the pump body connecting disc is provided with a connecting groove, the opening end of the isolation sleeve is provided with a connecting portion, and the connecting portion is embedded in the connecting groove.
3. The magnetic coupling structure for a metering pump of a low pressure foaming/casting machine according to claim 2, wherein: the connecting part is provided with a plurality of positioning holes, and the inner wall of the connecting groove is provided with fixing holes corresponding to the positioning holes.
4. The magnetic coupling structure for a metering pump of a low pressure foaming/casting machine according to claim 1, wherein: a sealing ring is arranged between the isolation sleeve and the pump body connecting disc, an annular mounting groove is formed in the isolation sleeve, and the sealing ring is arranged in the annular mounting groove.
5. The magnetic coupling structure for a metering pump of a low pressure foaming/casting machine according to claim 1, wherein: the end part of the bell-shaped cover is provided with an opening, and the output end of the motor extends into the bell-shaped cover from the opening to be fixedly connected with the outer magnet.
6. The magnetic coupling shaft structure for a metering pump of a low pressure foaming machine/pouring machine according to claim 1, characterized in that: the output end of the motor is connected with a speed reducer, an output shaft is arranged at the end part of the speed reducer, and the outer magnet is fixedly connected to the output shaft.
7. The magnetic coupling structure for a metering pump of a low pressure foaming/casting machine according to claim 6, wherein: the outer magnet is provided with a mounting hole, the inner wall of the mounting hole is provided with a limiting groove communicated with the mounting hole, the outer wall of the output shaft is provided with a limiting block, and the limiting block is clamped in the limiting groove after the output shaft is inserted into the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222855168.3U CN218493793U (en) | 2022-10-27 | 2022-10-27 | Magnetic coupling shaft structure of metering pump for low-pressure foaming machine/pouring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222855168.3U CN218493793U (en) | 2022-10-27 | 2022-10-27 | Magnetic coupling shaft structure of metering pump for low-pressure foaming machine/pouring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218493793U true CN218493793U (en) | 2023-02-17 |
Family
ID=85196998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222855168.3U Active CN218493793U (en) | 2022-10-27 | 2022-10-27 | Magnetic coupling shaft structure of metering pump for low-pressure foaming machine/pouring machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218493793U (en) |
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2022
- 2022-10-27 CN CN202222855168.3U patent/CN218493793U/en active Active
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