CN218800446U

CN218800446U - Hydraulic gravity balance mechanism of movable beam planer type milling machine

Info

Publication number: CN218800446U
Application number: CN202223168732.0U
Authority: CN
Inventors: 王国平; 陈文水
Original assignee: Qingdao Lingli Mould Technology Co ltd
Current assignee: Qingdao Lingli Mould Technology Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-04-07
Anticipated expiration: 2032-11-28

Abstract

The utility model belongs to the technical field of the planer-type milling machine technique and specifically relates to a walking beam planer-type milling machine hydraulic pressure gravity balance mechanism, including the portal frame, the bottom and the milling machine workstation looks rigid coupling of portal frame, the top rigid coupling of portal frame has the backup pad, spout and slider sliding connection are passed through to the front end of portal frame, the one end and the crossbeam looks rigid coupling of slider, the top left side of milling machine workstation is provided with balance mechanism. Through the balance cylinder, the steel wire rope, the cooperation between fixed pulley and the movable pulley, when needing the rebound crossbeam, make the output pulling steel wire rope downstream of balance cylinder, the steel wire rope redirecting under the effect of two fixed pulleys, and drive the movable pulley rebound, the movable pulley can divide the gravity of pulley block and crossbeam equally, and transmit the power to balance cylinder and portal frame through the steel wire rope on, the realization reduces the pressure that the balance cylinder bore, thereby make the balance cylinder can normally work, satisfy the support to the crossbeam.

Description

Hydraulic gravity balance mechanism of movable beam planer type milling machine

Technical Field

The utility model relates to a gantry milling machine technical field specifically is a walking beam planer-type milling machine hydraulic pressure gravity balance mechanism.

Background

The crossbeam of the movable beam planomiller can move on a portal frame, the crossbeam is one of key parts of a planomiller, and as the crossbeam is heavy, a hydraulic gravity balance mechanism of the movable beam planomiller is needed in order to ensure that the crossbeam can stably move.

For example, the authorized bulletin number CN214868674U discloses a hydraulic gravity balance mechanism for a moving beam planer type milling machine, which can reduce the failure of the gravity balance mechanism, but when the hydraulic gravity balance mechanism for a moving beam planer type milling machine in the above document is used, when a beam is required to move upwards, the output end of a balance oil cylinder is made to contract downwards, because closed chains are adopted, the chains at the two ends of the output end of the balance oil cylinder are not limited, so that the chains at the two ends move downwards at the same time, and four chain wheels above the four chains are made to rotate clockwise, so as to drive the beam to move upwards.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving, the walking beam planer-type milling machine hydraulic pressure gravity balance mechanism in the above-mentioned file all presses the weight of crossbeam on balanced hydro-cylinder, and unable reduction leads to balanced hydro-cylinder to transship easily to balanced hydro-cylinder's pressure, and unable supporting beam, and the walking beam planer-type milling machine hydraulic pressure gravity balance mechanism who provides.

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

the designed hydraulic gravity balance mechanism of the movable beam planomiller comprises a portal frame, wherein the bottom of the portal frame is fixedly connected with a millboard workbench, a supporting plate is fixedly connected to the top of the portal frame, the front end of the portal frame is in sliding connection with a sliding block through a sliding groove, one end of the sliding block is fixedly connected with a cross beam, and a balance mechanism is arranged on the left side of the top of the millboard workbench.

Preferably, the balancing mechanism comprises a balancing oil cylinder, the bottom of the balancing oil cylinder is fixedly connected with the milling machine workbench, the top of the balancing oil cylinder is connected with one end of a steel wire rope, the upper part of the outer wall of the steel wire rope is connected with the two fixed pulleys, the lower part of the outer wall of the steel wire rope is connected with the movable pulley, and the other end of the steel wire rope is fixedly connected with the portal frame.

Preferably, the outer walls of the two fixed pulleys are rotatably connected with the two ends of the supporting plate through rotating shafts.

Preferably, the outer wall of the movable pulley is rotatably connected with the pulley seat through a rotating shaft, and the bottom of the pulley seat is fixedly connected with the cross beam.

Preferably, the bottom of the cross beam is provided with a milling machine machining head, the outer wall of the milling machine machining head is electrically connected with a control panel through an electric wire, and the outer wall of the control panel is fixedly connected with the portal frame.

The utility model provides a pair of walking beam planer-type milling machine hydraulic pressure gravity balance mechanism, beneficial effect lies in: through the balance cylinder, the steel wire rope, the cooperation between fixed pulley and the movable pulley, when needs rebound beam, adjust the balance cylinder, make the output pulling steel wire rope of balance cylinder move down, the steel wire rope is under the effect of two fixed pulleys, change direction, and drive the movable pulley rebound, the movable pulley can equally divide the gravity of pulley seat and crossbeam, and transmit the power to balance cylinder and portal frame through the steel wire rope on, the realization reduces the pressure that the balance cylinder bore, thereby make the balance cylinder can normally work, satisfy the support to the crossbeam.

Drawings

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

FIG. 2 is a schematic front plan view of the internal connection structure of FIG. 1;

FIG. 3 is a left side plan view of the interconnect structure of FIG. 1;

fig. 4 is a schematic view of the connection structure at a in fig. 3.

In the figure: 1. the device comprises a portal frame, 2, a support plate, 3, a beam, 4, a balance mechanism, 401, a balance oil cylinder, 402, a steel wire rope, 403, a fixed pulley, 404, a movable pulley, 4A1, a support, 4A2, a strong spring, 4A3, a sleeve, 5, a milling machine machining head, 6, a sliding block, 7, a milling machine workbench, 8, a pulley seat, 9 and a control panel.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

example 1:

referring to fig. 1-4, in the present embodiment: the utility model provides a walking beam planer-type milling machine hydraulic pressure gravity balance mechanism, including portal frame 1, portal frame 1's bottom and 7 looks rigid couplings of milling machine workstation, portal frame 1's top rigid coupling has backup pad 2, portal frame 1's front end passes through spout and 6 sliding connection of slider, portal frame 1 passes through the moving direction of spout restriction slider 6, slider 6's one end and 3 looks rigid couplings of crossbeam, slider 6 restricts the removal of crossbeam 3, the top left side of milling machine workstation 7 is provided with the balance mechanism 4 that is used for reducing the pressure that balanced hydro-cylinder 401 received.

Referring to fig. 2 and 3, the balancing mechanism 4 includes a balancing cylinder 401, a steel wire rope 402, a fixed pulley 403 and a movable pulley 404, the bottom of the balancing cylinder 401 is fixedly connected with the milling machine table 7, the model of the balancing cylinder 401 is selected according to actual use requirements, and the work requirements are met, the top of the balancing cylinder 401 is connected with one end of the steel wire rope 402, the output end of the balancing cylinder 401 drives the steel wire rope 402 to move, the upper part of the outer wall of the steel wire rope 402 is connected with the two fixed pulleys 403, the two fixed pulleys 403 are used for changing the direction of the force applied to the steel wire rope 402, the lower part of the outer wall of the steel wire rope 402 is connected with the movable pulley 404, the movable pulley 404 distributes the applied gravity to the steel wire rope 402 on two sides of the movable pulley 404, the other end of the steel wire rope 402 is fixedly connected with the gantry 1, and the steel wire rope 402 transmits half of the force to the gantry 1;

when the beam 3 needs to move upwards, the balance oil cylinder 401 is adjusted, the steel wire rope 402 is pulled by the output end of the balance oil cylinder 401 to move downwards, the steel wire rope 402 changes direction under the action of the two fixed pulleys 403, the movable pulley 404 is driven to move upwards, the gravity of the pulley seat 8 and the beam 3 can be equally divided by the movable pulley 404, the force is transmitted to the balance oil cylinder 401 and the portal frame 1 through the steel wire rope 402, the pressure born by the balance oil cylinder 401 is reduced, the balance oil cylinder 401 can normally work, and the support for the beam 3 is met.

The outer wall of two fixed pulleys 403 all rotates through the pivot and is connected with the both ends of backup pad 2, two fixed pulleys 403 rotate along the junction with backup pad 2, the outer wall of movable pulley 404 with rotate with pulley block 8 through the pivot and be connected, movable pulley 404 rotates along the junction with pulley block 8, can drive pulley block 8 simultaneously and reciprocate, pulley block 8's bottom and crossbeam 3 looks rigid coupling, pulley block 8 drives crossbeam 3 and removes, milling machine processing aircraft nose 5 is installed to the bottom of crossbeam 3, milling machine processing aircraft nose 5 is used for processing the part, the outer wall of milling machine processing aircraft nose 5 passes through the electric wire and is connected with control panel 9 electricity, can control the processing mode of milling machine processing aircraft nose 5 through control panel 9, control panel 9's outer wall and portal frame 1 looks rigid coupling.

The working principle is as follows:

when the movable beam planomiller hydraulic gravity balance mechanism is used, firstly, when the beam 3 needs to move upwards, the balance oil cylinder 401 is adjusted, the steel wire rope 402 is pulled by the output end of the balance oil cylinder 401 to move downwards, the steel wire rope 402 changes the direction under the action of the two fixed pulleys 403, the movable pulley 404 is driven to move upwards, the movable pulley 404 can divide the gravity of the pulley seat 8 and the beam 3 equally, the force is transmitted to the balance oil cylinder 401 and the portal frame 1 through the steel wire rope 402, the pressure borne by the balance oil cylinder 401 is reduced, the balance oil cylinder 401 can normally work, the support for the beam 3 is met, the beam 3 can slide along the sliding groove on the portal frame 1 through the sliding groove 6, meanwhile, the machining of the milling machine machining head 5 can be controlled through the control panel 9, and the device is used.

Example 2:

referring to fig. 3 and 4, in the present embodiment: a hydraulic gravity balance mechanism of a movable beam planer type milling machine is disclosed, wherein a balance mechanism 4 is further arranged inside a portal frame 1, the balance mechanism 4 comprises a support 4A1, a strong spring 4A2 and a sleeve 4A3, the bottom of the sleeve 4A3 is fixedly connected with the portal frame 1, the lower portion of the inner wall of the sleeve 4A3 is fixedly connected with one end of the strong spring 4A2, the elastic coefficient of the strong spring 4A2 is 30-50N/cm, the other end of the strong spring 4A2 is fixedly connected with the support 4A1, the strong spring 4A2 is in a compression state at present, the support 4A1 moves downwards and can compress the strong spring 4A2 again, the outer wall of the support 4A1 is in sliding connection with the sleeve 4A3 through a sliding groove, the sleeve 4A3 limits the support 4A1 to only slide upwards and downwards through the sliding groove, the top of the support 4A1 is in sliding connection with a sliding block 6, and the support 4A1 can play a certain supporting role on the sliding block 6 by utilizing the elasticity of the strong spring 4A 2;

when crossbeam 3 moves down, can drive slider 6 and remove, slider 6 can promote pillar 4A1 and move down, and pillar 4A1 moves down along the inner wall spout of sleeve 4A3 to compress powerful spring 4A2, powerful spring 4A2 utilizes elasticity can play certain supporting role to crossbeam 3, thereby has reduced the pressure that balanced hydro-cylinder 401 received once more.

The working principle is as follows:

when the working of the embodiment, when the cross beam 3 moves downwards, the sliding block 6 is driven to move, the sliding block 6 can push the support column 4A1 to move downwards, the support column 4A1 moves downwards along the inner wall sliding groove of the sleeve 4A3, the strong spring 4A2 is compressed, and the strong spring 4A2 can play a certain supporting role on the cross beam 3 by utilizing the elastic force, so that the pressure on the balance oil cylinder 401 is reduced again, and the device is used for the time.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a walking beam planer-type milling machine hydraulic pressure gravity balance mechanism, includes portal frame (1), its characterized in that: the bottom of portal frame (1) and milling machine workstation (7) looks rigid coupling, the top rigid coupling of portal frame (1) has backup pad (2), the front end of portal frame (1) passes through spout and slider (6) sliding connection, the one end and the crossbeam (3) looks rigid coupling of slider (6), the top left side of milling machine workstation (7) is provided with balance mechanism (4).

2. The hydraulic gravity balance mechanism of the movable beam planomiller according to claim 1, characterized in that: the balance mechanism (4) comprises a balance oil cylinder (401), the bottom of the balance oil cylinder (401) is fixedly connected with a milling machine workbench (7), the top of the balance oil cylinder (401) is connected with one end of a steel wire rope (402), the upper part of the outer wall of the steel wire rope (402) is connected with two fixed pulleys (403), the lower part of the outer wall of the steel wire rope (402) is connected with a movable pulley (404), and the other end of the steel wire rope (402) is fixedly connected with the portal frame (1).

3. The dynamic beam planomiller hydraulic gravity balancing mechanism according to claim 2, characterized in that: the outer walls of the two fixed pulleys (403) are rotatably connected with the two ends of the supporting plate (2) through rotating shafts.

4. The hydraulic gravity balance mechanism of the movable beam planomiller according to claim 2, characterized in that: the outer wall of the movable pulley (404) is rotatably connected with the pulley seat (8) through a rotating shaft, and the bottom of the pulley seat (8) is fixedly connected with the cross beam (3).

5. The hydraulic gravity balance mechanism of the movable beam planomiller according to claim 1, characterized in that: the bottom of crossbeam (3) is installed milling machine and is processed aircraft nose (5), the outer wall of milling machine processing aircraft nose (5) is connected with control panel (9) electricity through the electric wire, the outer wall and the portal frame (1) looks rigid coupling of control panel (9).