CN209539520U

CN209539520U - Treble pump

Info

Publication number: CN209539520U
Application number: CN201920015428.1U
Authority: CN
Inventors: 路易斯·麦纽尔·戴尔思·罗罗; 谢超伟
Original assignee: NINGBO LARY INDUSTRY MACHINERY Co Ltd
Current assignee: NINGBO LARY INDUSTRY MACHINERY Co Ltd
Priority date: 2019-01-07
Filing date: 2019-01-07
Publication date: 2019-10-25
Anticipated expiration: 2029-01-07

Abstract

The utility model discloses a kind of treble pumps, installation can be facilitated and concentricity is high, installation easy to produce, its key points of the technical solution are that, including motor and the pump bracket being connected on motor, the shaft coupling with motor power axis connection is equipped in the pump bracket, the shaft coupling is connected with rotation axis, it is characterized by: the pump bracket free end is connected with pump cover in turn, pump housing combination and lower pump cover, it further include sequentially passing through pump bracket, upper pump cover, the pull rod of pump housing combination and lower pump cover, the pull rod both ends respectively with pump bracket, lower pump cover limit is so that upper pump cover, pump housing combination, lower pump cover is successively fixed on pump bracket, pump bracket free end is connected with pump cover in turn, pump housing combination and lower pump cover, no longer it is attached by intermediate connector, greatly reduce components number, installation can be facilitated and concentricity is high.

Description

Treble pump

Technical field

The utility model relates to injector field more particularly to a kind of treble pumps.

Background technique

Injector also known as injection (mo(u)lding) machine or injector, rubber injection machine are that various shapes are made in rubber using molding die The main molding equipment of treble pump shape product is broadly divided into vertical, horizontal injection press, and injector is usually by injecting systems, conjunction Modular system, treble pump hydraulic transmission system, electric control system, lubricating system, heating and cooling system, safety monitoring system Deng composition.Wherein, hydraulic pump is needed to give hydraulic system transfers power as power in treble pump Hydraulic Power Transmission System, however, one As hydraulic pump usually only one pump head of treble pump, therefore, in a hydraulic system, it is often necessary to use multiple hydraulic pumps, Cause the raising of cost.

To reduce cost, multiple pump heads are arranged in a shaft, in order to be arranged multiple pump heads in a shaft On, present technology is the setting pump bracket between adjacent pump head, multiple pump head settings can be made to turn at one by pump bracket connection It on axis, but pumps bracket and when installation needs that fixation is adjusted by multiple bolts, multiple bolts are difficult to install and difficult To guarantee same mounting height, it is difficult to guarantee concentricity and is difficult to adjust concentricity, i.e., it cannot be guaranteed that whole good concentricity, Cause accurately to install, and higher to the machining accuracy of pump head, pump bracket, leads to high rejection rate.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of treble pump, can facilitate installation and concentricity is high, be convenient for Production installation.

The technical solution of the utility model is to provide a kind of treble pump having following structure, including motor and The pump bracket being connected on motor, the interior shaft coupling being equipped with motor power axis connection of the pump bracket, the shaft coupling It is connected with rotation axis, it is characterised in that: the pump bracket free end is connected with pump cover, pump housing combination and lower pump in turn Lid, further include sequentially pass through pump bracket, upper pump cover, the pump housing combination and lower pump cover pull rod, the pull rod both ends respectively with Pump bracket, lower pump cover limits so that upper pump cover, the pump housing combine, lower pump cover is successively fixed on pump bracket.

Preferably, the described pump housing combination includes at least two pump head monomers, the upper pump cover combined with the pump housing between, Sealing structure is equipped between adjacent pump head monomer, between pump housing combination and lower pump cover.

Preferably, the sealing structure includes sealing ring and the accommodating chamber for accommodating sealing ring, the sealing Structure further includes the mechanical sealing member being arranged on the rotating shaft.

Preferably, the pump head monomer is equipped with the first bulge loop contradicted with sealing ring, sets in the pump head monomer There is the impeller of circumferential limit on the rotating shaft.

Preferably, first bulge loop and upper pump cover or pump head monomer contradict, and accommodating chamber is set at resistance surface.

Preferably, the lower pump cover is equipped with the second bulge loop contradicted with sealing ring, is equipped in the lower pump cover circumferential The impeller of limit on the rotating shaft.

Preferably, second bulge loop and pump head monomer contradict, and accommodating chamber is set at resistance surface.

Preferably, the pull rod both ends are connected separately with the caging bolt limited with pump bracket, lower pump cover.

Preferably, the bearing cooperated with rotation axis is equipped in the pump bracket and lower pump cover.

After using the above structure, the treble pump of the utility model has the advantage that pump bracket compared with prior art Free end is connected with pump cover, pump housing combination and lower pump cover in turn, is no longer attached, is greatly reduced by intermediate connector Components number, and directly contradicted by the end face of pump cover, pump housing combination and lower pump cover and realize connection, installation easy to produce, Installation can be facilitated and concentricity is high, then directly connected pump bracket with lower pump cover by pull rod, i.e., by pump bracket, upper pump cover, pump Body combination and lower pump cover are fixed, i.e., only need steady brace both ends, do not need to be adjusted, installation easy to produce.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the treble pump of the utility model.

Fig. 2 is the partial structure diagram of the treble pump of the utility model.

Fig. 3 is the part-structure diagrammatic cross-section of the treble pump of the utility model.

Fig. 4 is the structural blast schematic diagram of the treble pump of the utility model.

It is as shown in the figure: 100, motor；200, rotation axis；300, pump bracket；400, upper pump cover；500, the pump housing combines；510, Pump head monomer；511, the first bulge loop；600, lower pump cover；610, the second bulge loop；700, sealing structure；710, sealing ring；720, hold Receive chamber；730, mechanical sealing member；800, pull rod；810, caging bolt；900, impeller.

Specific embodiment

The utility model is described in further detail in the following with reference to the drawings and specific embodiments.

It please refers to shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the treble pump of the utility model, including motor 100 and is connected to electricity Pump bracket 300 on machine 100, the interior shaft coupling being equipped with 100 power axis connection of motor of the pump bracket 300, the connection Axis device is connected with rotation axis 200, it is characterised in that: 300 free end of pump bracket is connected with pump cover 40, pump housing group in turn 500 and lower pump cover 600 are closed, further includes sequentially passing through pump bracket 300, upper pump cover 40, pump housing combination 500 and lower pump cover 600 Pull rod 800,800 both ends of pull rod respectively with pump bracket 300, lower pump cover 600 limit so that upper pump cover 40, the pump housing combine 500, lower pump cover 600 is successively fixed on pump bracket 300, and 300 free end of pump bracket is connected with pump cover 40, pump housing combination in turn 500 and lower pump cover 600, it is no longer attached by intermediate connector, greatly reduces components number, and directly pass through pump The end face of lid, pump housing combination 500 and lower pump cover 600, which contradicts, realizes that connection, installation easy to produce can facilitate installation and concentricity Height, then directly connected pump bracket 300 and lower pump cover 600 by pull rod 800, i.e., by pump bracket 300, upper pump cover 40, pump housing group Conjunction 500 and lower pump cover 600 are fixed, i.e., only need 800 both ends of steady brace, do not need to be adjusted, installation easy to produce.

The pump housing combination 500 includes at least two pump head monomers 510, and the upper pump cover 40 combines 500 with the pump housing Between, between adjacent pump head monomer 510, the pump housing combination 500 and lower pump cover 600 between be equipped with sealing structure 700, i.e., directly lead to Upper pump cover 40, pump head monomer 510 and lower pump cover 600 are attached by the mode for crossing end face conflict, pass through processing end face or convex Ring structure guarantee concentricity, structure installation simply easy to produce, and be convenient for secondary operation, greatly reduce rejection rate, and again on Pump cover 40 combines with the pump housing between 500, it is close to be arranged between adjacent pump head monomer 510, between pump housing combination 500 and lower pump cover 600 A possibility that seal structure 700 greatly reduces the face for needing to seal, reduces leakage, and pump cover is combined with the pump housing between 500, phase It is equipped with biggish sealing surface between adjacent pump head monomer 510, between pump housing combination 500 and lower pump cover 600, is convenient for sealing structure 700 settings, can there is preferable sealing effect.

The sealing structure 700 includes sealing ring 710 and the accommodating chamber 720 for accommodating sealing ring 710, described Sealing structure 700 further includes the mechanical sealing member 730 being set in rotation axis 200, and sealing ring 710 is arranged by resistance surface again, Do not increase installation difficulty, and can guarantee it is easy for installation, where can guarantee adjacent fan-wheel 900 additionally by mechanical sealing member 730 Chamber be independent.

The pump head monomer 510 is equipped with the first bulge loop 511 contradicted with sealing ring 710, and the lower pump cover 600 is set There is the second bulge loop 610 contradicted with sealing ring 710, circumferential limit is equipped in the pump head monomer 510 in rotation axis 200 Impeller 900, the interior impeller 900 for being equipped with circumferential limit in rotation axis 200 of the lower pump cover 600, by the way that the first bulge loop is arranged 511, the second bulge loop 610 not only can guarantee concentricity, and increase sealing performance.

First bulge loop 511 is contradicted with upper pump cover 40 or pump head monomer 510, and accommodating chamber 720 is set at resistance surface, It is easy to process, and increase sealing performance.

Second bulge loop 610 is contradicted with pump head monomer 510, and accommodating chamber 720 is set at resistance surface, easy to process, And increase sealing performance.

800 both ends of pull rod are connected separately with the caging bolt 810 with pump bracket 300, the limit of lower pump cover 600, lead to It crosses caging bolt 810 and connect pump bracket 300 and lower pump cover 600 with pull rod 800, i.e., by pump bracket 300, upper pump cover 40, the pump housing Combination 500 and lower pump cover 600 are fixed, are installed in the case where capable of fawning on structure not adjusting the middle ancient times, installation easy to produce, institute It is equipped with the bearing cooperated with rotation axis 200 in the pump bracket 300 and lower pump cover 600 stated, concentricity is not only can guarantee and is convenient for Rotation axis 200 is rotated.

The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims

1. a kind of treble pump, including motor (100) and the pump bracket (300) being connected on motor (100), the pump bracket (300) shaft coupling with motor (100) power axis connection is equipped in, the shaft coupling is connected with rotation axis (200), feature Be: described pump bracket (300) free end is connected with pump cover (400), pump housing combination (500) and lower pump cover in turn It (600), further include sequentially passing through pump bracket (300), upper pump cover (400), pump housing combination (500) and the drawing of lower pump cover (600) Bar (800), the pull rod (800) both ends respectively with pump bracket (300), lower pump cover (600) limit so that upper pump cover (400), The pump housing combines (500), lower pump cover (600) and successively fixes on pump bracket (300).

2. treble pump according to claim 1, it is characterised in that: the pump housing combination (500) includes at least two pumps Head monomer (510), the upper pump cover (400) combines with the pump housing between (500), between adjacent pump head monomer (510), pump housing group It closes and is equipped with sealing structure (700) between (500) and lower pump cover (600).

3. treble pump according to claim 2, it is characterised in that: the sealing structure (700) includes sealing ring (710) And the accommodating chamber (720) for accommodating sealing ring (710), the sealing structure (700) further includes being set in rotation axis (200) mechanical sealing member (730) on.

4. treble pump according to claim 3, it is characterised in that: the pump head monomer (510) is equipped with and sealing ring (710) the first bulge loop (511) contradicted, the interior leaf for being equipped with circumferential limit on rotation axis (200) of the pump head monomer (510) It takes turns (900).

5. treble pump according to claim 4, it is characterised in that: first bulge loop (511) and upper pump cover (400) or Pump head monomer (510) contradicts, and accommodating chamber (720) is set at resistance surface.

6. treble pump according to claim 3, it is characterised in that: the lower pump cover (600) is equipped with and sealing ring (710) The second bulge loop (610) contradicted, the interior impeller for being equipped with circumferential limit on rotation axis (200) of the lower pump cover (600) (900).

7. treble pump according to claim 6, it is characterised in that: second bulge loop (610) and pump head monomer (510) It contradicts, accommodating chamber (720) is set at resistance surface.

8. treble pump according to claim 1, it is characterised in that: described pull rod (800) both ends are connected separately with and pump The caging bolt (810) that bracket (300), lower pump cover (600) limit.

9. treble pump according to claim 1, it is characterised in that: in the pump bracket (300) and lower pump cover (600) Equipped with the bearing cooperated with rotation axis (200).