CN209810478U - Hydraulic paint spraying pump - Google Patents
Hydraulic paint spraying pump Download PDFInfo
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- CN209810478U CN209810478U CN201920280796.9U CN201920280796U CN209810478U CN 209810478 U CN209810478 U CN 209810478U CN 201920280796 U CN201920280796 U CN 201920280796U CN 209810478 U CN209810478 U CN 209810478U
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- hydraulic
- pump
- paint
- piston rod
- hydraulic pump
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Abstract
The utility model discloses a hydraulic pressure pump that sprays paint, including the hydraulic pump base, the last fixed surface of hydraulic pump base installs down the lid, the top of lid is provided with the lid down, fixed mounting has the hydraulic pump steel bushing between lid and the last lid down, the inside of hydraulic pump steel bushing is provided with the hydraulic pump piston rod, peg graft at the top of hydraulic pump piston rod has the pilot valve pull rod, the surface of pilot valve pull rod and the position that is close to the top have cup jointed the pilot valve case. The utility model discloses, hydraulic motor is the differential oil feed mode, and when the piston upwards changed into the downstream, the oil of cavity of resorption also got into the epicoele, has reduced because the switching-over leads to piston rod dwell time, and output power is stable in succession, guarantees the pump that sprays paint that is connected with it and pumps lacquer pressure stability, satisfies the automatic continuous spraying of large tracts of land to switching-over pause interval is little, and paint pressure fluctuation is little, can realize that the stable membrane under the different pressure is thick.
Description
Technical Field
The utility model relates to a hydraulic pump technical field especially relates to a hydraulic pressure pump that sprays paint.
Background
The existing large products, such as containers, ocean engineering and other equipment coating, require airless spraying, and the film thickness uniformity requires higher, and the principle of the existing domestic airless spraying machine is that an upper pneumatic motor reciprocates up and down to drive a lower airless spraying pump.
However, the motor at the upper part of the paint spraying pump is powered by compressed air, a reversing valve and an exhaust valve are frozen in cold regions in winter, so that the spraying machine cannot work, and the pressure of a small air compressor is difficult to work stably in summer, so that the paint outlet pressure of the high-pressure airless spraying machine is unstable, and the quality requirement cannot be met by large-area spraying.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a hydraulic paint spraying pump.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a hydraulic pressure pump that sprays paint, includes the hydraulic pump base, the last fixed surface of hydraulic pump base installs down the lid, the top of lid is provided with the lid down, fixed mounting has the hydraulic pump steel bushing between lid and the last lid down, the inside of hydraulic pump steel bushing is provided with the hydraulic pump piston rod, peg graft at the top of hydraulic pump piston rod has the pilot valve pull rod, the surface of pilot valve pull rod and the position that is close to the top have cup jointed the pilot valve case, piston connecting axle about the bottom fixedly connected with of hydraulic pump piston rod, the below of hydraulic pump base is provided with the lacquer jar seat, the inside of lacquer jar seat is provided with paint pump piston rod, the bottom fixedly connected with oil cylinder cover of lacquer jar seat.
As a further description of the above technical solution:
the outer surface of the pilot valve pull rod is positioned below the pilot valve core, a pilot valve spring is sleeved on the outer surface of the pilot valve pull rod and positioned at the bottom of the upper cover body, a piston rod flange is arranged at the position, on the outer surface of the pilot valve pull rod, of the bottom of the upper cover body, a pilot valve pull rod sleeve is arranged between the pilot valve pull rod and the pilot valve core, and a sealing sleeve is arranged at the top of the pilot valve pull.
As a further description of the above technical solution:
the utility model discloses a differential oil feeding device, including lid, upper cover, lower lid, differential oil feeding pipe, oil return pipe joint, the lateral wall of lower lid is last fixed mounting have differential oil feeding pipe, and the differential oil feeding pipe is kept away from down the one end of lid and the lateral wall fixed connection of last lid, the lateral wall of going up the lid and be located the top fixed mounting that differential oil feeding pipe has the oil return pipe joint.
As a further description of the above technical solution:
and an upper cover body connecting bolt and a lower cover body connecting bolt are fixedly arranged between the lower cover body and the upper cover body and positioned on the outer side of the hydraulic pump steel bushing, and the number of the upper cover body connecting bolt and the lower cover body connecting bolt is four.
As a further description of the above technical solution:
the paint pump piston rod is fixedly connected with the hydraulic pump piston rod through an upper piston connecting shaft and a lower piston connecting shaft, and an upper piston rod clamp and a lower piston rod clamp are sleeved at the joint of the hydraulic pump piston rod and the paint pump piston rod.
As a further description of the above technical solution:
the bottom of the oil cylinder sleeve is provided with a large nut in a threaded manner, and the bottom of the large nut is fixedly provided with an elbow.
As a further description of the above technical solution:
the bottom of the paint pump piston rod is in threaded connection with a one-way valve, a one-way valve ball cover is arranged below the one-way valve, a lower body steel ball is arranged inside the one-way valve ball cover, and a plurality of groups of tetrafluoroethylene rings are arranged on the outer surface of the one-way valve.
As a further description of the above technical solution:
the side wall of the paint cylinder base is fixedly connected with a fixing foot, the inner portion of the fixing foot is in threaded connection with an upper pump body connecting bolt and a lower pump body connecting bolt, and one end, far away from the fixing foot, of the upper pump body connecting bolt is fixedly connected with the hydraulic pump base.
The utility model discloses following beneficial effect has:
1. compared with the prior art, the hydraulic paint spraying pump has the advantages that the hydraulic motor is in a differential oil inlet mode, when the piston moves downwards upwards, oil in the lower cavity also enters the upper cavity, the pause time of the piston rod caused by reversing is reduced, the output power is continuous and stable, the paint spraying pump connected with the hydraulic paint spraying pump is ensured to have stable paint pumping pressure, large-area automatic continuous spraying is met, the reversing pause interval is small, the paint pressure fluctuation is small, and the stable film thickness under different pressures can be realized.
2. Compared with the prior art, this hydraulic pressure pump that sprays paint, two parts about the pump body falls into, first half is compression piston reciprocating motor, and the latter half is piston paint pump, through the split type structure that sets up for maintenance dismouting in the future is very convenient, and owing to adopt hydraulic motor power drive, the medium is hydraulic oil, recycles, and pneumatic energy saving, low carbon environmental protection, the working costs is low.
Drawings
Fig. 1 is a perspective view of a hydraulic paint spraying pump according to the present invention;
fig. 2 is a front view of a hydraulic paint spraying pump according to the present invention;
fig. 3 is a cross-sectional view of a hydraulic paint spraying pump according to the present invention;
FIG. 4 is a partial enlarged view of FIG. 3-A in accordance with the present invention;
fig. 5 is a partial enlarged view of fig. 3-B according to the present invention.
Illustration of the drawings:
1. a hydraulic pump base; 2. a lower cover body; 3. an upper cover body; 4. a hydraulic pump steel bushing; 5. a hydraulic pump piston rod; 6. a pilot valve pull rod; 7. a pilot valve spring; 8. a pilot valve spool; 9. a pilot valve pull rod sleeve; 10. sealing sleeves; 11. a piston rod flange; 12. a differential oil inlet pipe; 13. an oil return pipe joint; 14. the upper cover body and the lower cover body are connected with bolts; 15. a paint cylinder base; 16. a paint pump piston rod; 17. an upper piston connecting shaft and a lower piston connecting shaft; 18. the upper piston rod and the lower piston rod are clamped; 19. an oil cylinder sleeve; 20. a large nut; 21. bending the pipe; 22. a one-way valve; 23. a check valve ball cover; 24. a lower body large steel ball; 25. a tetrafluoroethylene ring; 26. a fixing leg; 27. the upper and lower pump bodies are connected with bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the utility model provides a pair of hydraulic paint spraying pump: the hydraulic pump comprises a hydraulic pump base 1, a lower cover body 2 is fixedly arranged on the upper surface of the hydraulic pump base 1, an upper cover body 3 is arranged above the lower cover body 2, a hydraulic pump steel sleeve 4 is fixedly arranged between the lower cover body 2 and the upper cover body 3, a hydraulic pump piston rod 5 is arranged inside the hydraulic pump steel sleeve 4, a pilot valve pull rod 6 is inserted into the top of the hydraulic pump piston rod 5, a pilot valve core 8 is sleeved on the outer surface of the pilot valve pull rod 6 and close to the upper position, an upper piston connecting shaft and a lower piston connecting shaft 17 are fixedly connected to the bottom of the hydraulic pump piston rod 5, a paint cylinder base 15 is arranged below the hydraulic pump base 1, a paint pump piston rod 16 is arranged inside the paint cylinder base 15, an oil cylinder sleeve 19 is fixedly connected to the bottom of the paint cylinder base 15, the pump body comprises an upper part and a lower part, the upper part is a compression piston, the paint pump piston rod 16 is fixedly connected with the hydraulic pump piston rod 5 through the upper and lower piston connecting shafts 17, the upper cavity and the lower cavity of the motor are circularly fed back and fed back through the reversing guide valve core 8 under the action of high-pressure oil of the hydraulic pump station, so that the paint pump piston rod 16 in the paint pump is driven to reciprocate up and down, high-pressure paint is supplied under the action of the one-way valve 22, the hydraulic motor is in a differential oil feeding mode, when the piston moves upwards to move downwards, oil in the lower cavity also enters the upper cavity, the pause time of the piston rod due to reversing is reduced, the output power is continuous and stable, the paint pumping pressure of a paint pump connected with the paint pump piston rod is ensured to be stable, the requirement for automatic continuous spraying is met, the reversing pause interval is small, the.
A pilot valve spring 7 is sleeved on the outer surface of the pilot valve pull rod 6 and positioned below the pilot valve core 8, a piston rod flange 11 is arranged on the outer surface of the pilot valve pull rod 6 and positioned at the bottom of the upper cover body 3, a pilot valve pull rod sleeve 9 is arranged between the pilot valve pull rod 6 and the pilot valve core 8, a gland sleeve 10 is arranged at the top of the pilot valve pull rod 6, a differential oil inlet pipe 12 is fixedly arranged on the side wall of the lower cover body 2, one end of the differential oil inlet pipe 12 far away from the lower cover body 2 is fixedly connected with the side wall of the upper cover body 3, an oil return pipe joint 13 is fixedly arranged on the side wall of the upper cover body 3 and positioned above the differential oil inlet pipe 12, hydraulic transmission is more stable than pneumatic pressure, the adjustable range is wide, accurate automatic control is easy to realize, upper and lower cover body connecting bolts 14 are fixedly arranged between the lower cover body 2 and the upper cover body, the paint pump piston rod 16 is fixedly connected with the hydraulic pump piston rod 5 through an upper piston connecting shaft 17 and a lower piston connecting shaft 17, the joint of the hydraulic pump piston rod 5 and the paint pump piston rod 16 is sleeved with an upper piston rod clamp 18 and a lower piston rod clamp 18, the bottom of the oil cylinder sleeve 19 is provided with a large nut 20 in a threaded manner, the bottom of the large nut 20 is fixedly provided with an elbow 21, the bottom of the paint pump piston rod 16 is connected with a one-way valve 22 in a threaded manner, a one-way valve ball cover 23 is arranged below the one-way valve 22, a lower body large steel ball 24 is arranged inside the one-way valve ball cover 23, the outer surface of the one-way valve 22 is provided with a plurality of groups of tetrafluoroethylene rings 25, a fixing foot 26 is fixedly connected on the side wall of the paint cylinder seat 15, the inner thread of the fixing foot 26 is connected with an upper pump body connecting, long service life and low failure rate.
The working principle is as follows: when the paint pump is used, the pump body comprises an upper part and a lower part, wherein the upper half part is a compression piston reciprocating motor, the lower half part is a piston type paint pump, an upper body and a lower body are connected through three high-strength upper and lower pump body connecting bolts 27, a paint pump piston rod 16 is fixedly connected with a hydraulic pump piston rod 5 through an upper piston connecting shaft 17 and a lower piston connecting shaft 17, and under the action of high-pressure oil in a hydraulic pump station, the oil inlet and return of an upper cavity and a lower cavity of the motor are realized through a reversing pilot valve core 8, so that the paint pump piston rod 16 in the paint pump is driven to reciprocate up and down, and.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides a hydraulic paint spraying pump, includes hydraulic pump base (1), its characterized in that: a lower cover body (2) is fixedly arranged on the upper surface of the hydraulic pump base (1), an upper cover body (3) is arranged above the lower cover body (2), a hydraulic pump steel sleeve (4) is fixedly arranged between the lower cover body (2) and the upper cover body (3), a hydraulic pump piston rod (5) is arranged inside the hydraulic pump steel sleeve (4), a pilot valve pull rod (6) is inserted at the top of the hydraulic pump piston rod (5), a pilot valve core (8) is sleeved at the position close to the upper part of the outer surface of the pilot valve pull rod (6), the bottom of the hydraulic pump piston rod (5) is fixedly connected with an upper piston connecting shaft (17) and a lower piston connecting shaft (17), a paint cylinder base (15) is arranged below the hydraulic pump base (1), a paint pump piston rod (16) is arranged inside the paint cylinder base (15), and an oil cylinder sleeve (19) is fixedly connected to the bottom of the paint cylinder base (15).
2. A hydraulic paint spray pump according to claim 1, characterised in that: the outer surface of the pilot valve pull rod (6) is positioned below the pilot valve core (8) and is sleeved with a pilot valve spring (7), a piston rod flange (11) is arranged on the outer surface of the pilot valve pull rod (6) and at the position positioned at the bottom of the upper cover body (3), a pilot valve pull rod sleeve (9) is arranged between the pilot valve pull rod (6) and the pilot valve core (8), and a sealing sleeve (10) is arranged at the top of the pilot valve pull rod (6).
3. A hydraulic paint spray pump according to claim 1, characterised in that: fixed mounting has differential oil inlet pipe (12) on the lateral wall of lower lid (2), and advances oil pipe (12) differentially and keep away from the one end of lower lid (2) and the lateral wall fixed connection of last lid (3), the lateral wall of going up lid (3) and the top fixed mounting who is located differential oil inlet pipe (12) have return oil pipe joint (13).
4. A hydraulic paint spray pump according to claim 1, characterised in that: and upper and lower cover body connecting bolts (14) are fixedly mounted between the lower cover body (2) and the upper cover body (3) and positioned on the outer side of the hydraulic pump steel sleeve (4), and the number of the upper and lower cover body connecting bolts (14) is four.
5. A hydraulic paint spray pump according to claim 1, characterised in that: the paint pump piston rod (16) is fixedly connected with the hydraulic pump piston rod (5) through an upper piston connecting shaft (17) and a lower piston connecting shaft (17), and an upper piston rod clamp (18) and a lower piston rod clamp (18) are sleeved at the joint of the hydraulic pump piston rod (5) and the paint pump piston rod (16).
6. A hydraulic paint spray pump according to claim 1, characterised in that: the bottom of the oil cylinder sleeve (19) is provided with a large nut (20) through threads, and the bottom of the large nut (20) is fixedly provided with an elbow (21).
7. A hydraulic paint spray pump according to claim 1, characterised in that: the bottom threaded connection of paint pump piston rod (16) has check valve (22), the below of check valve (22) is provided with check valve ball cover (23), the inside of check valve ball cover (23) is provided with lower part of the body steel ball (24), the surface of check valve (22) is provided with a plurality of groups tetrafluoroethylene circle (25).
8. A hydraulic paint spray pump according to claim 1, characterised in that: the paint cylinder base is characterized in that a fixing foot (26) is fixedly connected to the side wall of the paint cylinder base (15), an upper pump body connecting bolt and a lower pump body connecting bolt (27) are connected to the inner threads of the fixing foot (26), and one end, far away from the fixing foot (26), of the upper pump body connecting bolt and the lower pump body connecting bolt (27) is fixedly connected with the hydraulic pump base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920280796.9U CN209810478U (en) | 2019-03-06 | 2019-03-06 | Hydraulic paint spraying pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920280796.9U CN209810478U (en) | 2019-03-06 | 2019-03-06 | Hydraulic paint spraying pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209810478U true CN209810478U (en) | 2019-12-20 |
Family
ID=68874508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920280796.9U Active CN209810478U (en) | 2019-03-06 | 2019-03-06 | Hydraulic paint spraying pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209810478U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109718963A (en) * | 2019-03-06 | 2019-05-07 | 上海旭玉机电设备有限公司 | A kind of hydraulic spraying pump |
-
2019
- 2019-03-06 CN CN201920280796.9U patent/CN209810478U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109718963A (en) * | 2019-03-06 | 2019-05-07 | 上海旭玉机电设备有限公司 | A kind of hydraulic spraying pump |
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