CN204449270U - A kind of thick and large casting die lifter - Google Patents

Abstract

The utility model provides a kind of thick and large casting die lifter, comprises sandbox, and what comprise cope, the drag box that arrange corresponding to cope and be arranged on drag box both sides hangs handle; Jack correspondence is arranged on hangs immediately below handle; Drive unit comprises hydraulic power unit, the first flowline, the second flowline and in-line, in-line comprises the first oil inlet pipe and the second oil inlet pipe that are connected with the first flowline by a threeway, also comprise the 3rd oil inlet pipe and the 4th oil inlet pipe that are connected with the second outlet line by another threeway, hydraulic power unit is connected with jack with in-line by the first outlet line, the second outlet line; The utility model can keep the lifting of jack synchronous, sandbox can not be caused to tilt, improve sand mo(u)ld quality, indirectly ensure that the quality of foundry goods, thus reduce percent defective; And sand mo(u)ld very easily departs from template, good stability; In addition, this structure is simple, easy to operate, improves operating efficiency.

Description

A kind of thick and large casting die lifter

Technical field

The utility model patent relates to a kind of die lifter, particularly relates to a kind of thick and large casting die lifter.

Background technology

In casting field, thick and large casting (especially weight is at more than 20T), when molding (sand mo(u)ld and mould being separated), because sand solidification is rear and contacting dies area is large, is bonded together, is difficult to molding.The modeling method that rises in the past is, weight is manually utilized to beat the template of diagonal successively, sand mo(u)ld is caused to come off from mould, the drawback of the method is that to be suitable for effect for the foundry goods of more than 20T poor, because foundry goods is comparatively thick and heavy, gap between sand mo(u)ld and mould is minimum, beats by a small margin and is difficult to make mold releasability, beats significantly and can damage sand mo(u)ld; In addition, artificial molding can not accomplish synchronous molding, sand mo(u)ld and sandbox can be caused at any time to tilt, also can damage sand mo(u)ld internal structure, so molding aspect still exists difficulty.

Application number is " 201320756938.7 ", name is called the casting stripper apparatus disclosing a kind of heavy castings in the Chinese utility model patent description of " the casting stripper apparatus of heavy castings ", comprise body frame, it is rectangular frame, be provided with the mounting table of fixed mould at its upper end, be provided with cylinder fixed mount in its middle part near bottom, the stiff end of cylinder is fixed on cylinder fixed mount; Crane, it is fixed on the movable end of cylinder and is moved up and down in body frame middle part by the driving of cylinder, is provided with the push rod of jack-up sandbox in the upper end of crane.This structure replaces artificial molding, and stability increases, but adopt bottom push rod jack-up sandbox in equipment, the still problem of existence and stability, and this device structure is relatively complicated, operation inconvenience, adopt air pressure to make drive source, security and stability is poor.

Utility model content

The utility model, for the problems referred to above weak point, provides a kind of thick and large casting die lifter, solves existing die lifter poor stability, baroque problem.

The technical solution of the utility model is achieved in that

A kind of thick and large casting die lifter, comprising:

Sandbox, what described sandbox comprised cope, the drag box that arrange corresponding to described cope and was arranged on described drag box both sides hangs handle;

Jack, hangs described in correspondence is arranged on immediately below handle;

Drive unit, comprise hydraulic power unit, the first flowline, the second flowline and in-line, described first flowline and described second flowline are separately positioned on the two ends of described hydraulic power unit, described in-line comprises the first oil inlet pipe and the second oil inlet pipe that are connected with described first flowline by a threeway, described first oil inlet pipe is provided with the first flow divider, also comprise the 3rd oil inlet pipe and the 4th oil inlet pipe that are connected with described second outlet line by another threeway, described 3rd oil inlet pipe is provided with the second flow divider; Described hydraulic power unit is connected with jack with described in-line by the first outlet line, the second outlet line;

Template, under being arranged on described sandbox.

As further scheme, be arranged on described on each side of described drag box and hang being at least one.

As further scheme, described jack is Manual hydraulic jack.

The course of work of the present utility model:

Being positioned over respectively by jack hangs immediately below handle, jack is connected with hydraulic power unit with in-line by outlet line, first oil inlet pipe and the 3rd oil inlet pipe are respectively arranged with the first flow divider and the second flow divider, during molding, mention handle, fuel-displaced supervisor oil suction from hydraulic power unit, by the first flowline, second flowline enters in jack, then, pressure handle, jack rises, jack-up sandbox and sand mo(u)ld, sandbox is separated with template, when again mentioning handle oil suction, flow divider cuts out automatically, fluid can not be flow backwards, ensure that weight can not fall voluntarily, now, by sand mo(u)ld and on, drag box is removed, complete molding.

The beneficial effects of the utility model are:

Die lifter adopts said structure, hydraulic jack is adopted to make hoisting apparatus, and be provided with flow divider in pipeline, the load balancing of the lifting of every platform jack can be made, thus keep the lifting of jack synchronous, sandbox can not be caused to tilt, not only increase sand mo(u)ld quality, indirectly ensure that the quality of foundry goods, thus reduce percent defective; Based on the weight capacity of jack, this makes sand mo(u)ld very easily depart from template, and good stability; This structure is simple, easy to operate, improves operating efficiency.

Accompanying drawing explanation

Fig. 1 is the utility model structural representation;

Fig. 2 is the utility model plan structure schematic diagram;

Fig. 3 is the utility model side structure schematic diagram.

In figure: 1, sandbox; 11, drag box; 12, cope; 13, handle is hung; 2, jack; 3, drive unit; 31, hydraulic power unit; 321, the first flowline; 322, the first oil inlet pipe; 323, the first flow divider; 324, the 3rd oil inlet pipe; 325, the second flow divider; 331, the second oil inlet pipe; 332, the 4th oil inlet pipe; 333, the second flowline; 4, template.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.

As shown in Figures 1 to 3, the embodiment of a kind of thick and large casting die lifter of the utility model, comprising:

What sandbox 1 comprised cope 12, the drag box 11 that arrange corresponding to cope 12 and was arranged on drag box 11 both sides hangs 13; Jack 2 correspondence is arranged on hangs immediately below 13, makes the rise of sandbox more steady; Drive unit 3, comprise hydraulic power unit 31, first flowline 321, second flowline 333 and in-line, first flowline 321 and the second flowline 333 are separately positioned on the two ends of hydraulic power unit 31, in-line comprises the first oil inlet pipe 322 and the second oil inlet pipe 331 be connected with the first flowline 321 by threeway, first oil inlet pipe 322 is provided with the first flow divider 323, also comprise on the 3rd oil inlet pipe 324 and the 4th oil inlet pipe the 332, three oil inlet pipe 324 that are connected with the second outlet line 333 by threeway and be provided with the second flow divider 325; Hydraulic power unit 31 is connected with jack 2 with in-line by the first outlet line 321, second outlet line 333; Template 4 is arranged on sandbox 1 time.

During work, hydraulic power unit 3 works, pass through threeway, fluid flows in the first outlet line 321 and the second outlet line 333 respectively, first flowline 321 is communicated with the second oil inlet pipe 331 with the first oil inlet pipe 322, second outlet line 333 is communicated with the 4th oil inlet pipe 332 with the 3rd oil inlet pipe 324, the first flow divider 323 arranged respectively by the first oil inlet pipe 322 and the 3rd oil inlet pipe 324 and the second flow divider 325 application is set, control fluid identical with the flow in the 3rd oil inlet pipe 324 at the first oil inlet pipe 322, thus make the load balancing of every platform jack 2 liftings, keep the rise of jack 2 and the speed sync of decline, sandbox 1 can not be made to tilt to cause sand mo(u)ld to damage, when pressure handle, jack 2 rises, jack-up sandbox 1 and sand mo(u)ld, and sandbox 1 is separated with template 4, and when again mentioning handle oil suction, flow divider cuts out automatically, and fluid can not be flow backwards, and ensures that sandbox 1 can not fall voluntarily, based on the weight capacity of jack 2, sand mo(u)ld is very easily departed from template 4.

Be arranged on to hang described on each side of drag box 11 and be at least one 13, and hanging on corresponding side is symmetrical arranged between two 13, makes in the process of jack-up sandbox, ensure the uniform force of sandbox, make the rise of sandbox more steady.

Jack 2 is Manual hydraulic jack, and its maneuvering and control is easy, and volume is little, lightweight, moves conveniently, and adopts fluid to be working media, and between elements relative moving surface, energy lubricating by oneself, weares and teares little, long service life.

These are only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (3)

1. a thick and large casting die lifter, is characterized in that, comprising:

Sandbox (1), what described sandbox comprised cope (12), the drag box (11) that arrange corresponding to described cope (12) and was arranged on described drag box (11) both sides hangs (13);

Jack (2), hangs immediately below (13) described in correspondence is arranged on;

Drive unit (3), comprise hydraulic power unit (31), first flowline (321), second flowline (333) and in-line, described first flowline (321) and described second flowline (333) are separately positioned on the two ends of described hydraulic power unit (31), described in-line comprises the first oil inlet pipe (322) and the second oil inlet pipe (331) that are connected with described first flowline (321) by a threeway, described first oil inlet pipe (322) is provided with the first flow divider (323), also comprise the 3rd oil inlet pipe (324) and the 4th oil inlet pipe (332) that are connected with described second outlet line (333) by another threeway, described 3rd oil inlet pipe (324) is provided with the second flow divider (325), described hydraulic power unit (31) is connected with jack (2) with described in-line by the first outlet line (321), the second outlet line (333),

Template (4), under being arranged on described sandbox (1).

2. a kind of thick and large casting die lifter according to claim 1, is characterized in that: be arranged on to hang described on described drag box (11) each side (13) are at least one.

3. a kind of thick and large casting die lifter according to claim 1, is characterized in that: described jack (2) is Manual hydraulic jack.