Four-oil-cylinder drawing device suitable for V-method casting

Abstract

The utility model provides a four-oil-cylinder drawing device suitable for V-method casting, relates to the technical field of casting sand box drawing, solves the problem that a sand box cannot be synchronously and vertically lifted, and comprises a rack, a lifting mechanism and a control system, the lifting mechanism comprises four sets of lifting equipment which are all arranged on the rack, the lifting mechanism is connected with the control system, and the control system is connected with the lifting equipment. Unified lifting of the lifting equipment is controlled through a valve and a synchronous motor of the control system. Through the arrangement of the control system, unmanned unified lifting height adjustment of the sand box is achieved, safety and reliability are achieved, operation is convenient, the working environment of a workshop is improved, and automation of the drawing process is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to foundry sand box draw technology field, concretely relates to a four oil cylinder draw device suitable for V method casting. BACKGROUND

[0002] With the continuous upgrading of foundry enterprise equipment in our country, the automation level of equipment is required higher and higher, most of the V method casting enterprises previously adopt artificial box, and the labor intensity of workers is big, the environment is poor, need a full automatic equipment, replace manual work, improve production condition, reduce the labor intensity of workers, satisfy the layout demand of modernization casting enterprise workshop, and the draw construction cannot guarantee the sand box level to rise at present. CONTENT OF THE UTILITY MODEL

[0003] Therefore, the utility model provides a four oil cylinder draw device suitable for V method casting for solving the problem that the sand box cannot be vertically lifted synchronously.

[0004] In order to realize the above purpose, the utility model provides the following technical scheme: a four oil cylinder draw device suitable for V method casting, including frame, the frame is arranged in draw groove, the frame includes first frame and second frame, the first frame and the second frame are arranged at the front end and rear end in the draw groove respectively;

[0005] Lifting mechanism is arranged on the frame, and the lifting mechanism includes first lifting oil cylinder, second lifting oil cylinder, third lifting oil cylinder and fourth lifting oil cylinder, the first lifting oil cylinder and the second lifting oil cylinder are arranged at the two ends of the first frame respectively, and the third lifting oil cylinder and the fourth lifting oil cylinder are arranged at the two ends of the second frame respectively;

[0006] Position detection mechanism is arranged on the frame, and the position detection mechanism is arranged on the outer side of the lifting mechanism;

[0007] Among them, the lifting mechanism is provided with a control system, and the first lifting oil cylinder, the second lifting oil cylinder, the third lifting oil cylinder and the fourth lifting oil cylinder can adjust the lifting height through the control system.

[0008] Preferably, the first lifting oil cylinder, the second lifting oil cylinder, the third lifting oil cylinder and the fourth lifting oil cylinder are consistent in component parts.

[0009] Preferably, the component parts of the lifting oil cylinder include cylinder body, piston, piston rod, sealing element, buffer device and exhaust device, the piston and the piston rod are arranged in the cylinder body, the sealing element is arranged at the piston, the buffer device and the exhaust device are arranged at the two ends of the cylinder body respectively, and the buffer device is arranged at one end close to the piston;The piston rod can move linearly along the cylinder body.

[0010] Preferably, the oil cylinder body comprises a cylinder barrel and a cylinder cover, the cylinder cover and the cylinder barrel are tightly connected and arranged at one end of the cylinder barrel.

[0011] Preferably, the cylinder barrel is provided with oil pipes, the oil pipes are arranged as a first oil pipe and a second oil pipe, the first oil pipe is arranged in the upper cavity of the cylinder barrel, and the second oil pipe is arranged in the lower cavity of the cylinder barrel.

[0012] Preferably, the control system is provided with an oil conveying pipeline, a ball valve, a proportional valve and a balance valve, the oil conveying pipeline is connected with the first oil pipe and the second oil pipe, the ball valve is arranged at the inlet and outlet of the oil conveying pipeline, and the proportional valve and the balance valve are arranged between the ball valve and the oil pipes.

[0013] Preferably, the balance valve comprises a first balance valve and a second balance valve.

[0014] Preferably, the control system is further provided with a synchronous motor, and the synchronous motor is connected with the lifting oil cylinder.

[0015] Preferably, the oil conveying pipeline is provided with two overflow pipelines.

[0016] Preferably, the position detection device comprises a limiting rod and a fixed base, the fixed base is arranged at the bottom of the limiting rod, and the fixed base is bolted with the rack.

[0017] The above technical scheme is adopted in the application, and the application has at least the following beneficial effects:

[0018] Through the arrangement of the control system, the height of the sand box can be adjusted uniformly without manual operation, the operation is safe and reliable, the operation is convenient, the working environment of the workshop is improved, and the automation of the mold drawing process is realized.

[0019] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the application. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0021] Fig. 1 is a side view provided by the embodiment of the present application;

[0022] Fig. 2 is a front view provided by the embodiment of the present application;

[0023] Fig. 3 is a control system application diagram provided by the embodiment of the utility model;

[0024] In the figure: 1, rack; 2, draw the groove; 3, position detection mechanism; 4, piston; 5, piston rod; 6, sealing element; 7, buffer device; 8, exhaust device; 9, cylinder barrel; 10, cylinder cover; 11, first oil pipe; 12, second oil pipe; 13, oil pipeline; 14, ball valve; 15, proportional valve; 16, balance valve; 17, synchronous motor; 18, overflow pipeline; 31, limit rod; 32, fixed base. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0026] The specific embodiment of the utility model provides a four-oil-cylinder draw device suitable for V-method casting, which is combined with the drawings Figs. 1-3 As shown in the figure, including the rack 1, the rack 1 is arranged in the draw groove 2, the rack 1 includes the first rack and the second rack, the first rack and the second rack are arranged at the front end and the rear end in the draw groove 2 respectively; The lifting mechanism is arranged on the rack 1, the lifting mechanism includes the first lifting oil cylinder, the second lifting oil cylinder, the third lifting oil cylinder and the fourth lifting oil cylinder, the first lifting oil cylinder and the second lifting oil cylinder are arranged at both ends of the first rack respectively, the third lifting oil cylinder and the fourth lifting oil cylinder are arranged at both ends of the second rack respectively; The position detection mechanism 3 is arranged on the rack, and the position detection mechanism 3 is arranged outside the lifting mechanism; wherein, the lifting mechanism is provided with a control system, the first lifting oil cylinder, the second lifting oil cylinder, the third lifting oil cylinder and the fourth lifting oil cylinder can adjust the lifting height through the control system.

[0027] Specifically, the lifting oil cylinder includes the oil cylinder body, the piston 4, the piston rod 5, the sealing element 6, the buffer device 7 and the exhaust device 8, the piston 4 and the piston rod 5 are arranged in the oil cylinder body, the piston 4 is arranged at one end of the piston rod 5 in the oil cylinder body, the sealing element 6 is arranged at the piston 4, and in the embodiment, the sealing element 6 is arranged as a sealing rubber ring, which can prevent oil leakage and cause machine failure, the buffer device 7 and the exhaust device 8 are arranged at both ends of the oil cylinder body respectively, the buffer device 7 is arranged at one end close to the piston 4, the buffer device can prevent the piston 4 from impacting the cylinder cover 10 when quickly retreating to the stroke terminal, and reduce the impact pressure, the exhaust device 8 is used for exhausting the gas in the cylinder, and the machine is ensured to run stably; The piston rod 5 can move linearly along the oil cylinder body and be used for lifting the sand box.

[0028] Specifically, the oil cylinder body is provided with a cylinder barrel 9 and a cylinder cover 10, the cylinder barrel 9 and the cylinder cover 10 are sealingly connected, and the cylinder cover 10 does not affect the linear motion of the piston rod 5; the cylinder barrel 9 is divided into an upper cylinder chamber and a lower cylinder chamber by the position of the piston 4, a first oil pipe 11 is connected at the upper cylinder chamber, a second oil pipe 12 is connected at the lower cylinder chamber, and the first oil pipe 11 and the second oil pipe 12 are connected to an oil conveying pipeline 13.

[0029] Specifically, the control system comprises the oil conveying pipeline 13, a ball valve 14, a proportional valve 15, a balance valve 16 and a synchronous motor 17, opening the ball valve 14 to connect the control system and the lifting oil cylinder, hydraulic oil enters the proportional valve 15, the speed of the oil cylinder can be adjusted through the proportional valve 15, hydraulic oil enters the balance valve 16, the pressure can be adjusted through the balance valve 16, which also plays the role of a stop valve, controls the flow direction of the hydraulic oil, and does not backflow; the synchronous motor 17 uses an automatic compensation function to eliminate the influence of pressure differences between units on internal leakage, realizes high-precision synchronization and equal distribution without being affected by load differences, thereby ensuring the synchronous operation of the four oil cylinders and ensuring smooth mold lifting without oil cylinder crawling phenomenon; hydraulic oil enters the lower cylinder chamber, and the upper chamber hydraulic oil flows back to the control system through the balance valve 16 and the proportional valve 15 to complete the mold lifting.

[0030] When the piston rod 5 falls, the ball valve 14 is in an open state, hydraulic oil enters the proportional valve 15 and the balance valve 16, and the falling speed can be adjusted, then the hydraulic oil enters the upper cylinder chamber, and the lower cylinder chamber hydraulic oil passes through the synchronous motor 17, the synchronous motor 17 plays the roles of an overflow valve and a check valve, so that the four piston rods 5 can stably descend without pressure holding and air suction phenomenon.

[0031] Specifically, the oil conveying pipeline 13 is provided with two overflow pipelines 18 for handling the case where the fluid exceeds the normal capacity to ensure that the container or system will not overflow due to excessive liquid.

[0032] Specifically, the position detection mechanism 3 comprises a limiting rod 31 and a fixed base 32, wherein the limiting rod 31 is vertically arranged at one end of the fixed base 32, and the fixed base 32 is threadedly connected and fixed to the rack 1, so that the sand box will not fall outside during the lifting and lowering process.

[0033] Working principle of the embodiment:

[0034] After the sand box with a formed pattern and the suction box are transported together to the suction box transfer car stopped in advance at the mold lifting station, the lifting mechanism lifts the sand box to lift the mold; after manual scraping and back film covering operations, the sand box is lifted to the next station. The entire working process enters the next working cycle.

[0035] It should be finally pointed out that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A four-oil-cylinder stripping device suitable for V-process casting, provided on a frame (1), characterized in that: the frame (1) is provided in a stripping groove (2), and the frame (1) comprises a first frame and a second frame, which are respectively provided at the front end and the rear end in the stripping groove (2); a lifting mechanism is provided on the frame (1), which comprises a first lifting oil cylinder, a second lifting oil cylinder, a third lifting oil cylinder and a fourth lifting oil cylinder, and the first lifting oil cylinder and the second lifting oil cylinder are respectively provided at the two ends of the first frame, and the third lifting oil cylinder and the fourth lifting oil cylinder are respectively provided at the two ends of the second frame; a position detection mechanism (3) is provided on the frame, and the position detection mechanism (3) is provided outside the lifting mechanism; wherein the lifting mechanism is provided with a control system, and the first lifting oil cylinder, the second lifting oil cylinder, the third lifting oil cylinder and the fourth lifting oil cylinder can adjust the lifting height through the control system.

2. The four-oil-cylinder stripping device suitable for V-process casting according to claim 1, characterized in that: the constituent parts of the first lifting oil cylinder, the second lifting oil cylinder, the third lifting oil cylinder and the fourth lifting oil cylinder are identical.

3. The four-oil-cylinder stripping device suitable for V-process casting according to claim 2, characterized in that: the constituent parts of the lifting oil cylinder comprise a cylinder body, a piston (4), a piston rod (5), a sealing element (6), a buffer device (7) and an exhaust device (8), the piston (4) and the piston rod (5) are provided in the cylinder body, the sealing element (6) is provided at the piston (4), the buffer device (7) and the exhaust device (8) are respectively provided at the two ends of the cylinder body, and the buffer device (7) is provided at one end close to the piston (4); the piston rod (5) can move linearly along the cylinder body.

4. The four-oil-cylinder stripping device suitable for V-process casting according to claim 3, characterized in that: the cylinder body comprises a cylinder barrel (9) and a cylinder cover (10), and the cylinder cover (10) and the cylinder barrel (9) are in airtight connection.

5. The four-oil-cylinder stripping device suitable for V-process casting according to claim 4, characterized in that: the cylinder barrel (9) is provided with oil pipes, which are provided as a first oil pipe (11) and a second oil pipe (12), the first oil pipe (11) is provided in the upper cavity of the cylinder barrel (9), and the second oil pipe (12) is provided in the lower cavity of the cylinder barrel (9).

6. The four-oil-cylinder stripping device suitable for V-process casting according to claim 5, characterized in that: the control system is provided with an oil conveying pipeline (13), a ball valve (14), a proportional valve (15) and a balance valve (16), the oil conveying pipeline (13) is connected to the first oil pipe (11) and the second oil pipe (12), the ball valve (14) is provided at the inlet and outlet of the oil conveying pipeline (13), and the proportional valve (15) and the balance valve (16) are provided between the ball valve (14) and the oil pipes. ​ ​ ​ ​ ​ ​ ​ ​ ​ 7. The four-oil-cylinder stripping device suitable for V-process casting according to claim 6, characterized in that: The balance valve (16) is provided with two.

8. The four-oil-cylinder stripping device suitable for V-process casting according to claim 7, characterized in that: The control system is further provided with a synchronous motor (17), and the synchronous motor (17) is connected with the lifting oil cylinder.

9. The four-oil-cylinder stripping device suitable for V-process casting according to claim 8, characterized in that: The oil pipeline (13) is provided with two overflow pipelines (18).

10. The four-oil-cylinder stripping device suitable for V-process casting according to claim 1, characterized in that: The position detection device (3) comprises a limiting rod (31) and a fixed base (32), the bottom of the limiting rod (31) is provided with the fixed base (32), and the fixed base (32) is bolted with the rack (1).

Images