CN201603832U - Oil supply device for four-hammer hydraulic precision forging machine - Google Patents

Abstract

The utility model discloses an oil supply device for a four-hammer hydraulic precision forging machine, which relates to a device for supply oil to the four-hammer hydraulic precision forging machine and is designed mainly for solving the problems of bad oil feed synchronism and the like of the existing oil supply system for the four-hammer hydraulic precision forging machine. The oil supply device for the four-hammer hydraulic precision forging machine comprises a chassis and a sliding frame. A motor is connected with the sliding frame by a crankshaft and a connecting rod. A piston rod of a power cylinder on the chassis is connected with the sliding frame. The sliding frame is provided with left and right guide wheel frames of which the lower parts are respectively provided with an inclined plane. A linkage control valve on the chassis is provided with a sharing piston rod. The chassis is provided with a forging oil cylinder. The power cylinder is provided with an oil inlet pipe and an oil outlet pipe. The oil inlet pipe is communicated with a main oil inlet pipe by a one-way valve. The oil outlet pipe is communicated with one side of the linkage control valve. An oil inlet pipe and an oil outlet pipe of the forging oil cylinder are respectively communicated with both sides of the linkage control valve. The linkage control valve is provided with a pipeline which is communicated with a main oil outlet pipe. The forging oil cylinder is provided with a gas pipe which is communicated with a main air pipe. The main oil inlet pipe is connected with an outlet of a low-pressure pump. The oil supply device is also provided with a low-pressure pump motor and an overflow valve. The oil supply device for the four-hammer hydraulic precision forging machine has the advantage of accurate oil feed synchronism.

Description

Four tup hydraulic pressure precise forging machine fuellers

Technical field:

The utility model relates to a kind of device of giving the four tup hydraulic pressure precise forging machine fuel feeding that the parts to rotary body forge synchronously.

Background technology:

Existing four tup hydraulic pressure precise forging machine oil supply systems are made up of high and low press pump and the synchronous oil-feed of quick high frequency time system, at present domestic also not production, and mainly by import, shortcoming is a complex structure, involves great expense the oil-feed poor synchronization.

Summary of the invention:

Technical problem to be solved in the utility model provide a kind of simple in structure, cost is low, the accurate four tup hydraulic pressure precise forging machine fuellers of oil-feed synchronism.

Above-mentioned purpose is achieved in that it comprises frame, the travelling carriage that is slidingly connected with it is housed on frame, motor is equipped with in the frame top, the axle of motor is fixedlyed connected with bent axle, the bent axle other end is rotatably connected with an end of connecting rod, the other end of connecting rod is rotatably connected with travelling carriage, be fixed with four actuator cylinders on the frame of travelling carriage below, the piston rod of actuator cylinder is fixedlyed connected with travelling carriage, left wheel frame and right wheel frame are housed on the travelling carriage of four actuator cylinder both sides, inclined-plane, a left side are all arranged at the bottom of left side wheel frame and right wheel frame, the inclined-plane of right wheel frame bottom tilts to same direction; All be fixed with the interlock control valve on the frame of each actuator cylinder below, four interlock control valves have the shared public piston rod of interlock control valve, and the two ends of the public piston rod of interlock control valve be sphere and contact with left and right wheel frame; All be fixed with the forging oil cylinder on the frame of each interlock control valve below; All dynamic oil cylinder oil inlet pipe and actuator cylinder flowline on each actuator cylinder, the actuator cylinder oil inlet pipe is communicated with total oil inlet pipe through check valve, and the actuator cylinder flowline is communicated with the side of interlock control valve towards right wheel frame; Each oil inlet pipe that forges oil cylinder all is communicated with the side of corresponding interlock control valve towards right wheel frame, and flowline all is communicated with the side of corresponding interlock control valve towards left wheel frame; Each control valve that links all has pipeline to be communicated with total flowline towards a side of left wheel frame, and always flowline is communicated with external fuel tank; Each bottom of forging oil cylinder all has tracheae to be communicated with gas main, and gas main links to each other with external air source; Each forges oil cylinder all has for the piston rod that links to each other with tup; On total oil inlet pipe Pressure gauge is arranged, total oil inlet pipe links to each other with the low pressure delivery side of pump, the inlet of low-lift pump has pipeline for linking to each other with external fuel tank, and low-lift pump links to each other with the axle of low-lift pump motor, also has pipeline to link to each other with the overflow valve that is positioned at the external fuel tank top on total oil inlet pipe.

The utility model has the advantages that simple in structurely, reasonable in design, the oil-feed synchronism is accurate, makes easily, and cost is low, is convenient to promote the use of on four tup hydraulic pressure precise forging machine.

Description of drawings:

Accompanying drawing is a structural representation of the present utility model.

The specific embodiment:

With reference to accompanying drawing, it comprises frame 4, the travelling carriage 5 that is slidingly connected with it is housed on frame, motor 1 is equipped with in the frame top, the axle of motor is fixedlyed connected with bent axle 2, the bent axle other end is rotatably connected with an end of connecting rod 3, the other end of connecting rod is rotatably connected with travelling carriage, be fixed with four actuator cylinders 7 on the frame of travelling carriage below, the piston rod 6 of actuator cylinder is fixedlyed connected with travelling carriage, left wheel frame 21 and right wheel frame 8 are housed on the travelling carriage of four actuator cylinder both sides, and inclined-plane, a left side are all arranged at the bottom of left wheel frame and right wheel frame, the inclined-plane of right wheel frame bottom tilts to same direction; All being fixed with 14, four interlocks of interlock control valve control valve on the frame of each actuator cylinder below has the public piston rod 13 of shared interlock control valve, and the two ends of the public piston rod of interlock control valve be sphere and contact with left and right wheel frame; All be fixed with on the frame of each interlock control valve below and forge oil cylinder 16; All dynamic oil cylinder oil inlet pipe 9 and actuator cylinder flowline 12 on each actuator cylinder, the actuator cylinder oil inlet pipe is communicated with total oil inlet pipe 11 through check valve 10, and actuator cylinder flowline 12 is communicated with the side of interlock control valve 14 towards right wheel frame; Each oil inlet pipe 15 that forges oil cylinder 16 all is communicated with the side of corresponding interlock control valve towards right wheel frame, and flowline 17 all is communicated with the side of corresponding interlock control valve towards left wheel frame; Each control valve that links all has pipeline to be communicated with total flowline 19 towards a side of left wheel frame, and always flowline is communicated with external fuel tank; Each bottom of forging oil cylinder all has tracheae to be communicated with gas main 20, and gas main links to each other with external air source; Each forges oil cylinder all has for the piston rod 18 that links to each other with tup; On total oil inlet pipe 11 Pressure gauge 24 is arranged, total oil inlet pipe links to each other with the outlet of low-lift pump 23, the inlet of low-lift pump has pipeline for linking to each other with external fuel tank, and low-lift pump links to each other with the axle of low-lift pump motor 22, also has pipeline to link to each other with the overflow valve 25 that is positioned at the external fuel tank top on total oil inlet pipe.

The course of work: start motor 1 and low-lift pump motor 22, travelling carriage 5 moves upward, the piston rod 6 that drives actuator cylinder 7 moves upward, low-lift pump 23 work, fuel feeding in actuator cylinder 7, travelling carriage drives a left side simultaneously, right wheel frame moves upward, the public piston rod of interlock control valve is moved right by the promotion on inclined-plane, close the oil inlet pipe 15 that forges oil cylinder 16, the flowline 17 that forges oil cylinder is communicated with total flowline 19 through interlock control valve 14, the piston that forges oil cylinder is subjected to come in the tracheae promotion of gas to move upward, the oil that forges in the oil cylinder is got back to external fuel tank through total flowline, after travelling carriage runs to the top, under the effect of motor 1, move downward, travelling carriage is moved downward, drive a left side, right wheel frame moves downward, the public piston rod of interlock control valve leaves the inclined-plane and is moved to the left, close the flowline 17 that forges oil cylinder, the oil inlet pipe 15 that forges oil cylinder is communicated with actuator cylinder flowline 12 through interlock control valve 14, oil in the actuator cylinder 7 is forced into and forges in the oil cylinder simultaneously, and the piston rod 18 that forges oil cylinder is moved downward.

Claims (1)

1. four tup hydraulic pressure precise forging machine fuellers, comprise frame (4), it is characterized in that: the travelling carriage (5) that is slidingly connected with it is housed on frame, motor (1) is equipped with in the frame top, the axle of motor is fixedlyed connected with bent axle (2), the bent axle other end is rotatably connected with an end of connecting rod (3), the other end of connecting rod is rotatably connected with travelling carriage, be fixed with four actuator cylinders (7) on the frame of travelling carriage below, the piston rod of actuator cylinder (6) is fixedlyed connected with travelling carriage, left wheel frame (21) and right wheel frame (8) are housed on the travelling carriage of four actuator cylinder both sides, inclined-plane, a left side are all arranged at the bottom of left side wheel frame and right wheel frame, the inclined-plane of right wheel frame bottom tilts to same direction; All be fixed with interlock control valve (14) on the frame of each actuator cylinder below, four interlock control valves have the shared public piston rod of interlock control valve (13), and the two ends of the public piston rod of interlock control valve be sphere and contact with left and right wheel frame; All be fixed with on the frame of each interlock control valve below and forge oil cylinder (16); All dynamic oil cylinder oil inlet pipe (9) and actuator cylinder flowline (12) on each actuator cylinder, the actuator cylinder oil inlet pipe is communicated with total oil inlet pipe (11) through check valve (10), and actuator cylinder flowline (12) is communicated with the side of interlock control valve (14) towards right wheel frame; Each oil inlet pipe (15) that forges oil cylinder (16) all is communicated with the side of corresponding interlock control valve towards right wheel frame, and flowline (17) all is communicated with the side of corresponding interlock control valve towards left wheel frame; Each control valve that links all has pipeline to be communicated with total flowline (19) towards a side of left wheel frame, and always flowline is communicated with external fuel tank; Each bottom of forging oil cylinder all has tracheae to be communicated with gas main (20), and gas main links to each other with external air source; Each forges oil cylinder all has for the piston rod (18) that links to each other with tup; On total oil inlet pipe (11) Pressure gauge (24) is arranged, total oil inlet pipe links to each other with the outlet of low-lift pump (23), the inlet of low-lift pump has pipeline for linking to each other with external fuel tank, low-lift pump links to each other with the axle of low-lift pump motor (22), also has pipeline to link to each other with the overflow valve (25) that is positioned at the external fuel tank top on total oil inlet pipe.