CN216975153U

CN216975153U - Single-motor-controlled ultrahigh-pressure double pump

Info

Publication number: CN216975153U
Application number: CN202220779066.5U
Authority: CN
Inventors: 周庆辉; 任鹏飞; 李俊杰
Original assignee: Shaoxing Jineng Nanotech Co ltd
Current assignee: Shaoxing Jineng Nanotech Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-07-15
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses a single-motor controlled ultrahigh pressure double pump, which comprises a first pump, a second pump, a feeding assembly and a discharging assembly, the first pump and the second pump are internally provided with plungers which slide in a reciprocating manner, the two plungers slide in a staggered manner, the pump also comprises a driving component which drives the plungers in the first pump and the second pump to move in a reciprocating manner simultaneously, the feed inlets of the first pump and the second pump are connected on the feeding assembly, inlet one-way valves are respectively arranged between the feed inlets of the first pump and the second pump and the feeding assembly, the discharge ports of the first pump and the second pump are connected to the discharge assembly, and the outlet one-way valves are arranged between the discharge ports of the first pump and the second pump and the discharge assembly.

Description

Single-motor-controlled ultrahigh-pressure double pump

Technical Field

The utility model relates to the technical field of homogenizers, in particular to an ultrahigh-pressure double pump controlled by a single motor.

Background

In the relevant standards of China, ultrahigh pressure belongs to the highest pressure grade, and refers to the pressure of more than or equal to 100MPa, and equipment with the pressure is commonly used in the fields of water jet, hull cleaning, homogenizers and the like in industry. Especially in the field of homogenizers, the demand level of modern people for substances is improved, and the application amount of the homogenizers is in a rapid rising trend. The homogenization process in food processing can refine materials more stably and absorb more easily; in the biological and medical fields, homogenizers are commonly used for dispersing materials, micronizing particles and even reaching nano-scale particles. The high-pressure pump is a power unit of the homogenizer. The mode that hydraulic drive is often adopted to the high-pressure pump on the existing market, it is bulky, make an uproar the stereo set, and the sealing washer reveals easily and causes the pollution, a small amount of electric drive's plunger pump also appears in recent years, but all be single pump output, the plunger need repeatedly inhale the material ceaselessly, the ejection of compact, form intermittent type formula output, can't provide continuous stable high pressure, production efficiency has been restricted, consequently, how to design a homogenizer power unit that realizes material continuation output becomes the technical problem that the skilled person is waited to solve urgently.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one technical problem mentioned in the background art, the utility model aims to provide an ultrahigh-pressure double pump controlled by a single motor, which solves the problem of intermittent material output in a single-pump state.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a single motor control's superhigh pressure double pump, includes first pump, second pump, feeding subassembly and ejection of compact subassembly, the inside of first pump and second pump all is equipped with reciprocating sliding's plunger, and two plungers are crisscross to slide, still includes the drive assembly of the inside plunger reciprocating motion of first pump of simultaneous drive and second pump, first pump with the feed inlet of second pump is connected on the feeding subassembly, the feed inlet of first pump and second pump with all install the import check valve between the feeding subassembly, first pump with the discharge gate of second pump is connected on the ejection of compact subassembly, first pump with the discharge gate of second pump with all install the export check valve between the ejection of compact subassembly.

Further, the rear end fixedly connected with nut of plunger, first pump and all be equipped with in the second pump with nut screw-thread fit's lead screw, first pump and be equipped with the guide way on the pump body of second pump, it extends to fix being equipped with on the nut the sliding pin in the guide way, wherein, the spiral opposite direction of two lead screws, and two lead screws syntropy rotate, perhaps, two lead screw spiral direction are the same, and two lead screw antiport.

Furthermore, the spiral directions of the two screw rods are opposite, the two screw rods rotate in the same direction, the driving assembly comprises a driven wheel fixedly connected with the screw rods, a servo motor and a driving wheel fixedly connected with an output shaft of the servo motor, and a synchronous belt is sleeved between the driving wheel and the driven wheel.

Furthermore, tooth shapes of the driving wheel and the driven wheel adopt herringbone teeth, and the synchronous belt adopts a herringbone tooth synchronous belt.

Furthermore, all set up on the pump body of first pump and the second pump with the radiating groove relative is still including the fan seat, the passageway of fan seat with the radiating groove intercommunication, the last fixed axial fan that is equipped with of fan seat.

Furthermore, the feeding assembly comprises a material cup and a T-shaped pipe, a feed opening of the material cup is connected with one end of the T-shaped pipe, and the other two ends of the T-shaped pipe are respectively connected through inlet one-way valves on the two sides.

Furthermore, the T-shaped pipe clamp further comprises a quick-mounting clamp, and the quick-mounting clamp is mounted at the positions of the three pipe orifices of the T-shaped pipe.

Furthermore, the discharging assembly comprises an angle valve block communicated with one end of the outlet one-way valve, and the other end of the angle valve block is connected with a discharging connector.

Compared with the prior art, the utility model has the beneficial effects that: the plunger in the first pump and the plunger in the second pump are reciprocated in a staggered manner by the driving assembly, when the plunger in the first pump retracts, the inlet one-way valve on the first pump opens and closes the outlet one-way valve, at the moment, the material is conveyed into the first pump by the feeding assembly, the plunger in the second pump is in an advancing state, the inlet one-way valve on the second pump closes the outlet one-way valve and opens, the material in the second pump is output outwards, and the first pump and the second pump alternately realize the inlet and the output of the material, so that the continuous output of the material can be ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is an enlarged view of a portion of the present invention;

FIG. 4 is an exploded view of the present invention;

fig. 5 is a cross-sectional view of the present invention.

In the figure: 11. a first pump; 12. a second pump; 111. a guide cylinder; 1111. a guide groove; 1112. a heat sink; 112. a nut; 113. a screw rod; 114. a connecting cylinder; 115. a plunger; 116. a high pressure cylinder; 21. a base plate; 22. a support plate; 23. a front baffle; 3. a servo motor; 41. an axial flow fan; 42. a fan base; 51. a driving wheel; 52. a driven wheel; 53. a synchronous belt; 54. an auxiliary wheel; 6. a feed assembly; 61. a material cup; 62. a T-shaped pipe; 63. quickly mounting a clamp; 64. an inlet check valve; 7. a discharging assembly; 71. an angle through valve block; 72. an outlet check valve; 73. a connecting pipe; 74. a three-way valve block; 75. a pagoda joint.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.

Referring to fig. 1 to 5, the embodiment provides a single-motor controlled ultrahigh pressure dual pump, which is mainly used for providing power for a homogenizer and solving the problem of intermittent material output when the single pump works.

As shown in fig. 1, the device comprises a first pump 11, a second pump 12, a feeding assembly 6 and a discharging assembly 7, as shown in fig. 4 and 5, the first pump 11 and the second pump 12 both comprise a high pressure cylinder 116, a plunger 115 which slides in a reciprocating manner is arranged inside the high pressure cylinder 116, the plunger 115 is a ceramic plunger, the tail end of the plunger 115 extends out of the high pressure cylinder 116, and the two ceramic plungers slide in the high pressure cylinder 116 in a staggered manner; the present embodiment further includes a driving assembly for driving the ceramic plungers inside the first pump 11 and the second pump 12 to reciprocate simultaneously, as shown in fig. 1 and fig. 3, the feed inlets of the first pump 11 and the second pump 12 are connected to the feeding assembly 6, the feed inlets of the high pressure cylinders 116 of the first pump 11 and the second pump 12 and the feeding assembly 6 are both provided with inlet check valves 64, the discharge outlets of the first pump 11 and the second pump 12 are connected to the discharging assembly 7, and the discharge outlets of the high pressure cylinders 116 of the first pump 11 and the second pump 12 and the discharging assembly 7 are both provided with outlet check valves 72.

Specifically, the method comprises the following steps: the driving assembly is used to drive the ceramic plunger to slide back and forth in the high pressure cylinder 116, and since the ceramic plungers in the first pump 11 and the second pump 12 slide back and forth in a staggered manner, when the ceramic plunger inside the first pump 11 is retracted, at which time the ceramic plunger inside the second pump 12 is advanced, and when the ceramic plunger is retracted, at which time the inlet check valve 64 on the same side is opened, the outlet check valve 72 is closed, then the external material is sucked into the inner cavity of the high pressure cylinder 116, when the ceramic plunger piston advances, the inlet check valve 64 on the same side is closed, the outlet check valve 72 is opened, the ceramic plunger piston outputs the material in the inner cavity of the high pressure cylinder 116 outwards, because two ceramic plungers slide in a staggered and reciprocating manner, one of the first pump 11 and the second pump 12 can be ensured to be in a feeding state, and the other one is in a discharging state, so that continuous output of materials can be realized, and the working efficiency of material treatment is improved.

Example 1:

in order to realize the sliding of the ceramic plunger, as shown in fig. 4 and 5, a nut 112 is fixedly connected to the rear end of the ceramic plunger, the first pump 11 and the second pump 12 include a guide cylinder 111, a screw 113 in threaded engagement with the nut 112 is disposed in each guide cylinder 111, a guide groove 1111 is disposed on the side wall of each guide cylinder 111 and penetrates inside and outside, a slide pin 1121 extending into the guide groove 1111 is fixedly disposed on the nut 112, the slide pin 1121 is inserted into the guide groove 1111 and can limit the nut 112 from rotating around the screw 113, and when the screw 113 rotates, the nut 112 is ensured to slide along the axial direction of the screw 113; wherein, the spiral directions of the two screw rods 113 are opposite, and the two screw rods 113 rotate in the same direction;

in order to realize the rotation of the screw 113, the driving assembly includes a driven wheel 52 fixedly connected to the screw 113, a servo motor 3, and a driving wheel 51 fixedly connected to an output shaft of the servo motor 3, a synchronous belt 53 is sleeved between the driving wheel 51 and the driven wheel 52, the servo motor 3 is used to drive the driving wheel 51 to rotate, and then the synchronous belt 53 can drive the driven wheels 52 on the screws 113 on both sides to rotate in the same direction, since the screw 113 is fixedly connected to the driven wheel 52, the screw 113 rotates, since the nut 112 is in threaded connection with the screw 113, and the nut 112 is provided with a sliding pin 1121 inserted into the guiding slot 1111, so the nut 112 can move along the axial direction of the screw 113, and further drive the ceramic plunger to slide through the connecting cylinder 114, and use the functions of forward and reverse rotation of the servo motor 3, and then the reciprocating motion of the ceramic plunger can be realized.

Example 2:

a nut 112 is fixedly connected to the rear end of the ceramic plunger, the first pump 11 and the second pump 12 include guide cylinders 111, a screw rod 113 in threaded fit with the nut 112 is arranged in each guide cylinder 111, a guide groove 1111 is arranged on the side wall of each guide cylinder 111 and penetrates from inside to outside, a sliding pin 1121 extending into the guide groove 1111 is fixedly arranged on each nut 112, the sliding pin 1121 is inserted into the guide groove 1111 and can limit the nut 112 from rotating around the screw rod 113, and when the screw rod 113 rotates, the nut 112 is ensured to slide along the axial direction of the screw rod 113; the two screw rods 113 are identical in spiral direction, the two screw rods 113 rotate in opposite directions, the driving assembly is fixedly connected with the screw rods 113, the driving assembly is two servo motors and drives the two screw rods 113 to rotate in opposite directions, or the same servo motor and the reversing assembly are used for achieving the opposite rotation of the two screw rods 113, and the reversing assembly can be reversed by adopting a gear set.

In order to realize that the nut 112 slides back and forth, the ceramic plunger is driven to slide back and forth, in this embodiment, as shown in fig. 5, the rear end of the ceramic plunger is fixedly connected with a connecting cylinder 114, the other end of the connecting cylinder 114 is fixedly connected with the nut 112, and at this time, the screw rod 113 extends into a cavity of the connecting cylinder 114, so as to prevent the ceramic plunger from colliding with the screw rod 113;

in order to reduce noise generated when the ultra-high pressure pump operates and improve bearing capacity of a driving assembly in the operation process, in the embodiment, as shown in fig. 2 and 5, herringbone teeth are adopted in tooth forms of the driving wheel 51 and the driven wheel 52, a tooth form of the synchronous belt 53 is matched with the driving wheel 51 and the driven wheel 52, the use of the herringbone teeth has higher smoothness and no need of lubrication compared with the traditional gear transmission, meanwhile, compared with parallel teeth, the use of the tooth forms has higher overlap ratio and silence performance, the use of the herringbone teeth improves bearing capacity in the power transmission process, and tooth skipping is not easy to occur in the use process.

In order to realize the servo motor 3 and the driving wheel 51, in this embodiment 1, as shown in fig. 1, the servo motor includes a bottom plate 21, two supporting plates 22 and a front baffle 23 which are oppositely disposed and vertically extend upwards are fixedly disposed on the bottom plate 21, the servo motor 23 is fixedly mounted on the bottom plate 21 and located between the supporting plate 22 and the front baffle 23, an output shaft of the servo motor 3 penetrates through the supporting plate 22 and extends backwards, the first pump 11 and the second pump 12 are disposed in parallel and span over the upper sides of the supporting plate 22 and the front baffle 23, the rear ends of the first pump 11 and the second pump 12 are located on the supporting plate 22, and the driving wheel 51 is mounted on the output shaft of the servo motor 3 and located on two sides of the supporting plate 22 respectively.

In order to realize the adjustment of hold-in range 53 rate of tension, be equipped with the spout on the backup pad 22, the inside sliding connection of spout has fastenable auxiliary wheel 54, the outside of hold-in range 53 with the outward flange of auxiliary wheel 54 offsets, through adjusting the position of auxiliary wheel 54 in backup pad 22, and then can adjust hold-in range 53's degree of tension.

Because the nut 112 reciprocates on the screw rod 113, and the nut 112 and the screw rod 113 are both inside the guide cylinder 111, the generated heat is not easily dissipated, and thus the performance of the device is affected, for this reason, in this embodiment, as shown in fig. 4 and fig. 5, the guide cylinder 111 is both provided with the heat dissipation groove 1112 opposite to the guide groove 1111, the fan seat 42 is arranged between the first pump 11 and the second pump 12, the channel of the fan seat 42 is communicated with the heat dissipation groove 1112, the fan seat 42 is fixedly provided with the axial flow fan 41, the axial flow fan 41 is driven to operate by electric power, so as to drive the surrounding air to flow, at this time, the external air flow enters the guide cylinder 111 through the guide groove 1111 to cool the nut 112 and the screw rod 113, the cooled air enters the channel inside the fan seat 42 through the heat dissipation groove 1112, and the hot air at this time is conveyed upwards through the axial flow fan 41, thereby realizing the heat dissipation of the nut 112 and the screw 113.

In order to realize the installation of the feeding assembly 6, in this embodiment, as shown in fig. 3 and 4, the feeding assembly 6 includes a material cup 61 and a T-shaped pipe 62, a feed opening of the material cup 61 is connected with one end of the T-shaped pipe 62, and the other two ends of the T-shaped pipe 62 are respectively connected with inlet check valves 64 on two sides.

Through the arrangement, at this time, the materials in the material cup 61 can flow to the inlet check valves 64 on both sides through the T-shaped pipe 62, and enter the high-pressure cylinder 116 on the same side, so that the materials are fed.

In order to realize quick installation of the feeding assembly 6, in this embodiment, as shown in fig. 4, the feeding assembly further includes quick-assembly clamps 63, where the quick-assembly clamps 63 are installed at three pipe opening positions of the T-shaped pipes 62, and quick installation of the T-shaped pipes 62, the material cups 61, and the inlet check valves 64 is realized through the quick-assembly clamps 63.

In order to realize the outflow of the material, in this embodiment, as shown in fig. 3, the discharging assembly 7 includes an angle valve block 71 communicated with one end of the outlet one-way valve 72, the angle valve block 71 is a two-way valve, the other end of the angle valve block 71 is connected with a connecting pipe 73, three-way valve blocks 74 are installed at the ports of the two connecting pipes 73, a port of the three-way valve block 74 is connected with a pagoda joint 75 through a thread, and the pagoda joint 75 is used for outputting the material inside the first pump 11 and the second pump 12.

The inlet check valve 64, the outlet check valve 72 and all parts in the discharging assembly 7 are connected in a 60-degree conical surface sealing mode, and the connection mode can bear pressure up to 600MPa through screw thread screwing and pre-tightening, so that the tightness of the connection position is guaranteed. In this embodiment 1, a servo motor 3 is used for driving, which reduces the cost and the weight of the device.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a superhigh pressure double pump of single motor control which characterized in that: comprises a first pump (11), a second pump (12), a feeding component (6) and a discharging component (7), the first pump (11) and the second pump (12) are internally provided with plungers (115) which slide in a reciprocating manner, the two plungers (115) slide in a staggered manner, the pump further comprises a driving assembly which drives the plungers (115) in the first pump (11) and the second pump (12) to move in a reciprocating manner, the feed inlets of the first pump (11) and the second pump (12) are connected to the feed assembly (6), inlet one-way valves (64) are respectively arranged between the feed inlets of the first pump (11) and the second pump (12) and the feeding assembly (6), the discharge ports of the first pump (11) and the second pump (12) are connected to the discharge assembly (7), and outlet one-way valves (72) are arranged between the discharge holes of the first pump (11) and the second pump (12) and the discharge assembly (7).

2. The single motor controlled ultra high pressure dual pump of claim 1, wherein: the rear end fixedly connected with nut (112) of plunger (115), first pump (11) and all be equipped with in second pump (12) with nut (112) screw-thread fit's lead screw (113), first pump (11) and be equipped with guide way (1111) on the pump body of second pump (12), fixed being equipped with on nut (112) extends to sliding pin (1121) in guide way (1111), wherein, the spiral direction of two lead screws (113) is opposite, and two lead screws (113) syntropy rotate, or, two lead screws (113) screw direction are the same, and two lead screw (113) antiport.

3. The single-motor controlled ultra-high pressure double pump according to claim 2, characterized in that: the spiral direction of two lead screws (113) is opposite, and two lead screws (113) syntropy rotate, drive assembly include with lead screw (113) fixed connection from driving wheel (52), servo motor (3) and with output shaft fixed connection's of servo motor (3) action wheel (51), action wheel (51) with it is equipped with hold-in range (53) to overlap between driven wheel (52).

4. A single motor controlled ultra high pressure dual pump according to claim 3, wherein: the tooth shapes of the driving wheel (51) and the driven wheel (52) adopt herringbone teeth, and the synchronous belt (53) adopts a herringbone tooth synchronous belt.

5. The single-motor controlled ultra-high pressure double pump according to claim 2, characterized in that: first pump (11) and all seted up on the pump body of second pump (12) with radiating groove (1112) that guide way (1111) are relative, still include fan seat (42), the passageway of fan seat (42) with radiating groove (1112) intercommunication, fan seat (42) are gone up the fixed axial fan (41) that is equipped with.

6. The single motor controlled ultra high pressure dual pump of claim 1, wherein: the feeding assembly (6) comprises a material cup (61) and a T-shaped pipe (62), a feed opening of the material cup (61) is connected with one end of the T-shaped pipe (62), and the other two ends of the T-shaped pipe (62) are respectively connected through inlet one-way valves (64) on two sides.

7. The single-motor controlled ultra-high pressure double pump according to claim 6, characterized in that: the T-shaped pipe fixing device is characterized by further comprising a quick-mounting clamp (63), wherein the quick-mounting clamp (63) is mounted at the positions of three pipe openings of the T-shaped pipe (62).

8. The single motor controlled ultra high pressure dual pump of claim 1, wherein: the discharging assembly (7) comprises an angle valve block (71) communicated with one end of the outlet one-way valve (72), and the other end of the angle valve block (71) is connected with a discharging connector.