CN219345143U

CN219345143U - High-low pressure pump direct-pressure riveting machine

Info

Publication number: CN219345143U
Application number: CN202320259761.3U
Authority: CN
Inventors: 华万红; 邢冲冲; 王梦甜; 李维民; 梁海鹏; 郭孝先; 常民; 郝强强; 庞悦; 马振强; 王俊杰
Original assignee: Henan Anqian Intelligent Equipment Co ltd; Anyang Forging Press Numerical Control Equipment Co ltd
Current assignee: Henan Anqian Intelligent Equipment Co ltd; Anyang Forging Press Numerical Control Equipment Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-07-14
Anticipated expiration: 2033-02-20

Abstract

The utility model relates to the technical field of riveters, and discloses a high-low pressure pump direct-pressure riveter which comprises a high-low pressure pump direct-pressure riveter and a hydraulic integrated system, wherein the hydraulic integrated system comprises a cartridge valve, a cartridge valve cover plate, a direction controller, a pressure sensor, a digital display instrument, a riveting clamp oil cylinder, an independent oil liquid cooling and filtering system, a control cover plate, an oil filter, a pressure gauge and a high-pressure oil pipe, and the high-low pressure pump direct-pressure riveter comprises a high-pressure motor pump group, a low-pressure motor pump group, a high-low pressure pump system control valve block integration and a high-low pressure pump hydraulic station oil tank, and the independent oil liquid cooling and filtering system is arranged on the left side outside the high-low pressure pump hydraulic station oil tank. The independent oil cooling system is matched with the fine oil filter to ensure that the oil temperature and the cleanliness of the oil of the hydraulic system are controlled in a proper range required by the hydraulic system, and the safety, reliability and stability of long-term operation of the hydraulic system are met.

Description

High-low pressure pump direct-pressure riveting machine

Technical Field

The utility model relates to the technical field of riveters, in particular to a high-low pressure pump direct-pressure riveter.

Background

The hydraulic riveting machine is special riveting equipment for riveting various commercial vehicles, new energy vehicles, engineering vehicles, cement filling vehicles and mine car frames, and can be used for cold riveting rivets with the diameter of phi 10 mm-phi 16mm and hot riveting rivets with the diameter of phi 18 mm-phi 28 mm.

The prior riveting equipment generally adopts a pressurizing device, the hydraulic control of the riveting technology structurally generally adopts a pressurizing system, the pressurizing time and the pressurizing conversion time exist, the riveting frequency of the riveting machine is limited, the riveting frequency is 15-20 times/min, the riveting and the production beat requirements of a user for 20-50 times/min high frequency can not be met, the whole production line can not normally run once the riveting machine breaks down, in addition, the original pressure relay can not accurately control and conveniently adjust the needed riveting pressure, and because of processing and assembly errors, strain and adhesion are easy to occur between the cylinder body and the piston rod of the original system, the machine fault rate is higher, and the high-low pressure pump direct-pressure riveting machine is provided for the purpose.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a high-low pressure pump direct-pressure riveting machine, so as to solve the problems that the prior hydraulic riveting machine provided in the background art generally adopts a pressurizing system when in work, so that the fault is caused and the high-frequency riveting requirement cannot be met.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-low pressure pump direct-pressure riveter comprises a high-low pressure pump direct-pressure riveter and a hydraulic integrated system, wherein the hydraulic integrated system comprises a cartridge valve, a cartridge valve cover plate, a direction controller, a pressure sensor, a digital display instrument and a riveting clamp oil cylinder, and further comprises an independent oil liquid cooling and filtering system, a control cover plate, an oil filter, a pressure gauge and a high-pressure oil pipe, the high-low pressure pump direct-pressure riveter comprises a high-pressure motor pump group, a low-pressure motor pump group, a high-low pressure pump system control valve block integration and a high-low pressure pump hydraulic station oil tank, the independent oil liquid cooling and filtering system is arranged on the left side outside the high-low pressure pump hydraulic station oil tank, and the pressure sensor is arranged above the front end outside the high-low pressure pump hydraulic station oil tank.

Preferably, the direction controller and the cartridge valve cover plate are provided with reversing adjusting damping holes, and the adjusting damping holes are used for controlling oil return flow speed and reversing time, so that hydraulic impact caused by reversing is reduced.

Preferably, the pressure sensor is used for adjusting and controlling the actual working pressure of the riveting clamp oil cylinder, the digital display instrument displays pressure data in real time, and the pressure sensor and the digital display screen are adopted to conveniently, safely and accurately realize pressure classification and display riveting pressure or tonnage in real time, so that the riveting process is more visual, and the riveting quality is convenient to control.

Preferably, the high-voltage motor pump group and the low-voltage motor pump group are arranged at the upper end of the oil tank of the high-low pressure pump hydraulic station.

Preferably, the high-low pressure pump system control valve block is integrally arranged on the left side outside the pressure sensor.

Preferably, supporting legs are arranged at four corners of the lower end of the high-low pressure pump hydraulic station oil tank, and the supporting legs and the high-low pressure pump hydraulic station oil tank are integrally formed, and the supporting legs play a supporting role.

Compared with the prior art, the utility model provides the high-low pressure pump direct-pressure riveting machine, which has the following beneficial effects:

1. the hydraulic system adopts a modularized design, various hydraulic valves and fluid passages serving as control units in the hydraulic integrated system are reduced as much as possible, the cartridge valve and the pressure sensor with high stability are adopted to control safe oil pressure, hydraulic impact, vibration and noise of the riveting machine in the working process are reduced, the working pressure of the hydraulic system is more stable, machine faults are reduced, shutdown caused by pipeline leakage is avoided, the working efficiency of the riveting machine is improved, the continuity of a production line is effectively improved by a high-low pressure pump system, and visual pressure display and adjustment are more beneficial to riveting quality control. The independent oil cooling system is matched with the fine oil filter to ensure that the oil temperature and the cleanliness of the oil of the hydraulic system are controlled in a proper range required by the hydraulic system, and the safety, reliability and stability of long-term operation of the hydraulic system are met.

Drawings

FIG. 1 is a front view of the overall structure of the present utility model;

FIG. 2 is a side view of the overall structure of the present utility model;

fig. 3 is a schematic diagram of a hydraulic integrated system of the present utility model.

In the figure: 1. an independent oil cooling and filtering system; 2. a high-voltage motor pump unit; 3. a piezoelectric motor pump unit; 4. high-low pressure pump system control valve block integration; 5. a pressure sensor; 6. and a high-low pressure pump hydraulic station oil tank.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a technical scheme, referring to fig. 1, 2 and 3, of a high-low pressure pump direct-pressure riveting machine, which comprises a high-low pressure pump direct-pressure riveting machine and a hydraulic integrated system, wherein the hydraulic integrated system comprises a cartridge valve, a cartridge valve cover plate, a direction controller, a pressure sensor 5, a digital display instrument and a riveting clamp cylinder, and also comprises an independent oil liquid cooling and filtering system 1, a control cover plate, an oil filter, a pressure gauge and a high-pressure oil pipe, the high-low pressure pump direct-pressure riveting machine comprises a high-pressure motor pump group 2, a low-pressure motor pump group 3, a high-low pressure pump system control valve block integration 4 and a high-low pressure pump hydraulic station oil tank 6, the independent oil liquid cooling and filtering system 1 is arranged on the left side outside the high-low pressure pump hydraulic station oil tank 6, and the pressure sensor 5 is arranged above the front end outside the high-low pressure pump hydraulic station oil tank 6.

Referring to fig. 1, the direction controller and the cartridge valve cover plate are provided with reversing adjusting damping holes, and the adjusting damping holes are used for controlling oil return flow rate and reversing time, so that hydraulic impact caused by reversing is reduced.

Referring to fig. 1, 2 and 3, the pressure sensor 5 is used for adjusting and controlling the actual working pressure of the riveting clamp cylinder, the digital display instrument displays pressure data in real time, and the pressure sensor 5 and the digital display screen are adopted to conveniently, safely and accurately realize pressure grading and display riveting pressure or tonnage in real time, so that the riveting process is more visual, and the riveting quality is convenient to control.

Referring to fig. 1, 2 and 3, the high-voltage motor pump unit 2 and the low-voltage motor pump unit 3 are disposed at the upper end of the high-low pressure pump hydraulic station oil tank 6.

Referring to fig. 1, 2 and 3, the high-low pressure pump system control valve block assembly 4 is disposed on the left side of the exterior of the pressure sensor 5.

Referring to fig. 1, 2 and 3, support legs are respectively arranged at four corners of the lower end of the high-low pressure pump hydraulic station oil tank 6, and are integrally formed with the high-low pressure pump hydraulic station oil tank 6, so that the support legs play a supporting role.

The working principle of the device is as follows: unloading an oil pump: starting the motor, wherein each valve does not act, and oil returns to the oil tank through the oil filter, the oil pump and the overflow valve; fast forward: when the riveting die is aligned to the rivet, a riveting button on the riveting pliers oil cylinder is pressed, a control valve is electrified, unloading is stopped, and the system builds pressure so as to enable the piston to fast advance; riveting: when the riveting die approaches the rivet, the riveting die is converted into a high-pressure variable pump to complete riveting of the rivet when the pressure rises and reaches a set value, and meanwhile, the riveting is finished, the high-flow low-pressure pump is converted into a high-flow low-pressure pump to complete quick return, a button can be loosened at any time in the working process, so that the riveting die is stopped and returned in situ, and oil returns to an oil tank through a direction controller and a control reversing unloading unit, so that the safety and reliability of the riveting process are ensured; returning and unloading: when the pressure in the riveting clamp oil cylinder reaches the working pressure, after the rivet is formed, the pressure sensor 5 sends a signal, the oil way is reversed, oil enters the back cavity of the riveting clamp oil cylinder after being reversed by the main control reversing valve, so that the riveting die returns, all electromagnets are powered off after the return action is finished, and the oil returns to the oil tank through each valve, and the piston rod are reset.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The high-low pressure pump direct-pressure riveter comprises a high-low pressure pump direct-pressure riveter and a hydraulic integrated system, and is characterized in that: the hydraulic integrated system comprises a cartridge valve, a cartridge valve cover plate, a direction controller, a pressure sensor (5), a digital display instrument and a riveting clamp cylinder, and further comprises an independent oil liquid cooling and filtering system (1), a control cover plate, an oil filter, a pressure gauge and a high-pressure oil pipe, wherein the high-low pressure pump direct-pressure riveting machine comprises a high-pressure motor pump group (2), a high-pressure motor pump group (3), a high-low pressure pump system control valve block integration (4) and a high-low pressure pump hydraulic station oil tank (6), the independent oil liquid cooling and filtering system (1) is arranged on the left side outside the high-low pressure pump hydraulic station oil tank (6), and the pressure sensor (5) is arranged above the front end outside the high-low pressure pump hydraulic station oil tank (6).

2. The high and low pressure pump direct pressure riveter of claim 1, wherein: the direction controller and the cartridge valve cover plate are provided with reversing adjusting damping holes, and the adjusting damping holes are used for controlling oil return flow speed and reversing time.

3. The high and low pressure pump direct pressure riveter of claim 1, wherein: the pressure sensor (5) is used for adjusting and controlling the actual working pressure of the riveting clamp oil cylinder, and the digital display instrument displays pressure data in real time.

4. The high and low pressure pump direct pressure riveter of claim 1, wherein: the high-voltage motor pump group (2) and the high-voltage motor pump group (3) are arranged at the upper end of the high-low pressure pump hydraulic station oil tank (6).

5. The high and low pressure pump direct pressure riveter of claim 1, wherein: the high-low pressure pump system control valve block assembly (4) is arranged on the left side outside the pressure sensor (5).

6. The high and low pressure pump direct pressure riveter of claim 1, wherein: support legs are arranged at four corners of the lower end of the high-low pressure pump hydraulic station oil tank (6), and the support legs and the high-low pressure pump hydraulic station oil tank (6) are integrally formed.