CN112303467A

CN112303467A - Grease pump and distributor integrated oiling device for servo control

Info

Publication number: CN112303467A
Application number: CN201910702049.4A
Authority: CN
Inventors: 黄北京; 蔡维哲
Original assignee: SUNSHINE MACHINERY CO Ltd
Current assignee: SUNSHINE MACHINERY CO Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2021-02-02

Abstract

The invention discloses grease pump and distributor integrated oil injection equipment for servo control, which comprises a pump body, a servo electric push rod, an electromagnetic valve, an oil cup, a one-way mounting seat, a piston column, a piston oil groove and an oil inlet groove, wherein the center inside the pump body is provided with the piston oil groove; the flow and the pressure of a single lubricating point can be regulated in a stepless way, and the lubricating time interval can be set independently; the oil output of the pump can be regulated in a stepless manner, the requirements of different lubricating oil quantities are met, the use of an independent distributor is omitted, single-point single-time lubrication and single-point multiple-time lubrication can be set, and the influence of other lubricating points is avoided.

Description

Grease pump and distributor integrated oiling device for servo control

Technical Field

The invention relates to the technical field of oil injection equipment, in particular to grease pump and distributor integrated oil injection equipment for servo control.

Background

Nowadays, the lubricating requirement is higher and higher, the grease lubricating mode is more and more taken into consideration and accepted, and the grease lubricating mode is gradually replaced by thin oil lubrication, so that the grease lubricating equipment meeting various lubricating working conditions is necessary to be developed; the working modes of the existing grease lubrication equipment mainly comprise the following modes:

1. the gear pump is driven by the motor to absorb and press oil to lubricate the equipment;

2. the motor drives the cam or the connecting rod to drive the plunger to absorb and press oil, and meanwhile, an external distributor is required to be matched when the system works.

However, the existing lubricating oil supply equipment has defects, and the pipe distribution difficulty is increased by the connection between the oiling machine and the distributor; the flow of the distributor cannot be adjusted or is inconvenient to adjust; each orifice of the distributor must work simultaneously and the lubrication interval of each lubrication point cannot be set individually; the flow of the oiling machine is fixed and unadjustable, and energy is not saved; some machines matched with the distributor need to be additionally provided with a pressure relief device.

Therefore, the grease pump and distributor integrated oiling device for servo control is provided.

Disclosure of Invention

The invention aims to provide grease pump and distributor integrated oiling equipment for servo control, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a grease pump and distributor integral type oiling equipment for servo control, includes the pump body, servo electric putter, solenoid valve, oil cup, one-way mount pad, piston post, piston oil groove and inlet tank, the piston oil groove has been seted up to the inside center department of pump body, the pump body terminal surface is located piston oil groove port department and installs servo electric putter, and servo electric putter output end portion install with piston oil groove complex piston post, the even symmetry in pump body side installs a plurality of solenoid valves that communicate with piston oil groove, servo electric putter one end is kept away from to pump body top surface and the inlet tank has been seted up, and inlet tank and piston oil groove intercommunication, pump body top is equipped with the oil cup, and the oil cup exit is through one-way mount pad and inlet tank intercommunication.

Preferably, one-way mount pad includes the funnel pipe, blocks up ball and reset spring, funnel pipe main aspects and tip respectively with oil cup and oil feed tank joint, the inside ball that blocks up that is equipped with of funnel pipe tip, block up the ball bottom and install reset spring, and block up the ball and pass through reset spring and funnel pipe elastic connection.

Preferably, the blocking ball is made of soft oil-resistant rubber.

Preferably, the inside cooperation of oil cup is equipped with the tamponade, the inside top of oil cup is fixed with pressure spring, and the tamponade passes through pressure spring and oil cup elastic contact.

Preferably, the electromagnetic valve is a two-position two-way valve.

Preferably, the end part of the servo electric push rod is in a flange disc shape and is attached and connected with the pump body.

Compared with the prior art, the invention has the beneficial effects that: the servo electric push rod retracts to pull the piston column to move towards the servo electric push rod, so that negative pressure is formed in the piston oil groove, the one-way mounting seat is opened under the pressure of the negative pressure, so that butter in the oil cup is sucked into the piston oil groove, oil suction is completed, the servo electric push rod extends out to push the piston column to move towards the direction far away from the servo electric push rod, the one-way mounting seat is closed, so that positive pressure is formed in the piston oil groove, electromagnetic valves needing to be lubricated are opened successively, oil feeding to all lubricating points is completed, and the oil feeding equipment pump and the distributor are integrally designed and have a compact structure; the flow and the pressure of a single lubricating point can be regulated in a stepless way, and the lubricating time interval can be set independently; the oil output of the pump can be adjusted in a stepless manner, the requirements of different lubricating oil quantities are met, the use of an independent distributor is omitted, single-point single-time lubrication and single-point multiple-time lubrication can be set, and the influence of other lubricating points is avoided; the lubricating device does not need a flow sensor and a pressure sensor, and can precisely inject oil into the lubricating points and precisely position fault lubricating points by collecting and setting relevant parameters of the motor.

Drawings

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

FIG. 2 is a schematic view of an oil cup mounting structure according to the present invention;

FIG. 3 is a schematic cross-sectional view of the pump body of the present invention;

FIG. 4 is a schematic view of the oil cup pressing oil structure of the present invention;

FIG. 5 is a schematic view of a one-way mounting base according to the present invention.

In the figure: 1. a pump body; 2. a servo electric push rod; 3. an electromagnetic valve; 4. an oil cup; 5. a one-way mounting seat; 6. a piston post; 7. a piston oil groove; 8. an oil inlet groove; 9. pressing and plugging; 10. a pressure spring; 11. a funnel tube; 12. blocking the ball; 13. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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. 1-5, the present invention provides a technical solution: the utility model provides a grease pump and distributor integral type oiling equipment for servo control, which comprises a pump body 1, servo electric putter 2, solenoid valve 3, oil cup 4, one-way mount pad 5, piston post 6, piston oil groove 7 and

oil feed tank

8, 1 inside center department of the pump body has seted up

piston oil groove

7, 1 terminal surface of the pump body is located piston oil groove 7 port department and installs servo

electric putter

2, and 2 output end portion of servo electric putter install with piston oil groove 7

complex piston post

6, 1 even symmetry in side of the pump body installs a plurality of solenoid valves 3 with piston oil groove 7 intercommunication, 2 one end of servo electric putter is kept away from to 1 top surface of the pump body has seted up oil feed tank 8, and oil feed tank 8 and piston oil groove 7 intercommunication, 1 top of the pump body is equipped with oil cup 4, and oil cup 4 exit is through one-way mount pad 5.

Servo electric putter 2 contracts back, 2 direction movements of pulling piston post toward servo electric putter, thereby form the negative pressure in piston oil groove 7, one-way mount pad 5 is opened under the pressure of negative pressure, thereby inhale piston oil groove 7 to the butter in the oil cup 4, accomplish the oil absorption action, servo electric putter 2 stretches out, promote the motion of piston post 6 toward keeping away from servo electric putter 2 direction, one-way mount pad 5 closes, thereby form the malleation in piston oil groove 7, need lubricated solenoid valve 3 to open in succession, the completion is to the oil feeding of each lubricated point.

The external controller controls the lubricating oil amount and the oil feeding pressure of each lubricating point by controlling the stroke and the input torque of the servo electric push rod 2, realizes oil absorption and oil discharge exchange by controlling the total length of the push rod, realizes the flow and pressure control of each lubricating point by controlling the torque of the push rod and single displacement, realizes overload alarm by setting a torque peak value, and can accurately judge the faulty lubricating point.

One-way mount pad 5 includes funnel 11, block up ball 12 and reset

spring

13, 11 main aspects of funnel and tip respectively with

oil cup

4 and 8 joints of oil feed tank, 11 tip inside of funnel are equipped with and block up ball 12, block up 12 bottom of ball and install reset spring 13, and block up ball 12 and pass through

reset spring

13 and 11 elastic connection of funnel, 4 external pressure of oil cup is less than internal pressure, make and block up 12 compression reset spring 13 of ball, open the oil circuit, carry out the fuel feeding, be in when pressure is opposite and open circuit.

The blocking ball 12 is made of soft oil-resistant rubber, so that the blocking ball 12 can be stably attached to a passage, and the effect of open circuit sealing is realized.

The pressure plug 9 is arranged in the oil cup 4 in a matched mode, the pressure spring 10 is fixed at the top end in the oil cup 4, the pressure plug 9 is in elastic contact with the oil cup 4 through the pressure spring 10, the pressure plug 9 is pressed downwards through the elastic force of the pressure spring 10, and oil discharging and supplying actions are facilitated.

The electromagnetic valve 3 adopts a two-position two-way valve which can work normally under vacuum, negative pressure and zero pressure.

The end part of the servo electric push rod 2 is in a flange disc shape and is attached and connected with the pump body 1, so that the installation sealing performance of the servo electric push rod 2 is high.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a grease pump and distributor integral type oiling equipment for servo control, includes the pump body (1), servo electric putter (2), solenoid valve (3), oil cup (4), one-way mount pad (5), piston post (6), piston oil groove (7) and oil feed tank (8), its characterized in that: piston oil groove (7) have been seted up to pump body (1) inside center department, pump body (1) terminal surface is located piston oil groove (7) port department and installs servo electric putter (2), and servo electric putter (2) output end portion install with piston oil groove (7) complex piston post (6), a plurality of solenoid valves (3) that communicate with piston oil groove (7) are installed to the even symmetry in pump body (1) side, servo electric putter (2) one end is kept away from to pump body (1) top surface and oil feed tank (8) have been seted up, and oil feed tank (8) and piston oil groove (7) intercommunication, pump body (1) top is equipped with oil cup (4), and oil cup (4) exit is through one-way mount pad (5) and oil feed tank (8) intercommunication.

2. The integrated grease pump and dispenser oiling device for servo control according to claim 1, wherein: one-way mount pad (5) include funnel pipe (11), block up ball (12) and reset spring (13), funnel pipe (11) main aspects and tip respectively with oil cup (4) and oil feed tank (8) joint, funnel pipe (11) tip inside is equipped with blocks up ball (12), block up ball (12) bottom and install reset spring (13), and block up ball (12) and pass through reset spring (13) and funnel pipe (11) elastic connection.

3. The grease pump and dispenser integrated oiling device for servo control according to claim 2, characterized in that: the blocking ball (12) is made of soft oil-resistant rubber.

4. The integrated grease pump and dispenser oiling device for servo control according to claim 1, wherein: the oil cup is characterized in that a press plug (9) is arranged inside the oil cup (4) in a matched mode, a pressure spring (10) is fixed at the top end inside the oil cup (4), and the press plug (9) is in elastic contact with the oil cup (4) through the pressure spring (10).

5. The integrated grease pump and dispenser oiling device for servo control according to claim 1, wherein: the electromagnetic valve (3) adopts a two-position two-way valve.

6. The integrated grease pump and dispenser oiling device for servo control according to claim 1, wherein: the end part of the servo electric push rod (2) is in a flange shape and is attached and connected with the pump body (1).