CN202180177U - Compacting moulding machine with double injection cylinders and boxes - Google Patents
Compacting moulding machine with double injection cylinders and boxes Download PDFInfo
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- CN202180177U CN202180177U CN2011202440065U CN201120244006U CN202180177U CN 202180177 U CN202180177 U CN 202180177U CN 2011202440065 U CN2011202440065 U CN 2011202440065U CN 201120244006 U CN201120244006 U CN 201120244006U CN 202180177 U CN202180177 U CN 202180177U
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Abstract
The utility model relates to a compacting moulding machine with double injection cylinders and boxes, which comprises a sand injection mechanism and a compacting mechanism, wherein the sand injection mechanism comprises two injection cylinders and two corresponding sand injection hoppers, a sand placement plate and a gas bag cover are arranged between the sand injection hoppers and the injection cylinders, a gas bag filled with compressed gas is arranged inside the gas bag cover, and a sand injection head, a sand injection board and an upper pre-filling frame are arranged below the injection cylinders; the compacting mechanism is arranged below the sand injection mechanism, and comprises a supercharging device, a guide pole and a lower pre-filling frame, the upper pre-filling frame is arranged below the sand injection plate, a moulding plate and a moulding plate frame are placed below the lower pre-filling frame, and an upper sand box or a lower sand box is arranged between the upper pre-filling frame and the lower pre-filling frame. The compacting moulding machine with the double injection cylinders and the boxes provided in the technical scheme adopts two injection cylinders which inject sand synchronously, and is more suitable for rectangular sand boxes, thereby preventing sand injection process from being limited by sand box dimensions.
Description
Technical field
The utility model relates to the molding sand casting technology field, relates in particular to a kind of dijection tube compacting box molding machine.
Background technology
In the molding sand casting technology field, to penetrate sand and belong to a kind of sand technology that adds, it utilizes the compressed air of certain pressure will penetrate the molding sand for preparing in the tube and is injected in cope or the drag box, thereby accomplishes back-up sand and the real purpose of pretension.The sand technology overwhelming majority of penetrating of the prior art all adopts the injection barrel structure; This structure is applicable to the sandbox of little perhaps length of size and width dimensions difference less (being similar to square); Because it all is cylindrical penetrating tube, the corresponding sandbox cross section of projected area of penetrating sand like this just compares uniformity.Yet, for the bigger rectangle sandbox of length and width size difference, from penetrating sand mechanism and penetrating the angle that the projection of sand area distributes and see that the injection tube is just obviously unreasonable, suitable.This shows that the injection tube is penetrated the restriction that sand technology will receive the sandbox shape in the prior art, thereby can not be used widely.
The utility model content
The purpose of the utility model provides a kind of dijection tube compacting box molding machine, penetrates the problems referred to above that sand technology exists with injection tube in the solution prior art.
In order to achieve the above object; The technical scheme of the utility model proposes a kind of dijection tube compacting box molding machine; Comprise and penetrate sand mechanism and system for compacting, the said sand mechanism of penetrating comprises that penetrating tube and corresponding two for two adds sand hopper, and the said sand hopper that adds is penetrated between the tube setting and put sand plate and domed cover with said; The inside of said domed cover then is provided with the gas bag that fills Compressed Gas, said penetrate the tube the below be provided with sand-shooting head, penetrate the sand plate and on fill out frame in advance; Said system for compacting is arranged at the said below of penetrating sand mechanism, and comprises supercharging device, guide pillar and the following frame of filling out in advance; Fill out frame on said in advance and be arranged at the said below of penetrating the sand plate, template and pattern plate bolster are then placed in the said following below of filling out frame in advance, and fill out frame and said following fill out in advance placement cope or drag box between the frame on said in advance.
In the above-mentioned dijection tube compacting box molding machine, also comprise the template quick-changing mechanism, said template and pattern plate bolster are arranged on the said template quick-changing mechanism.
In the above-mentioned dijection tube compacting box molding machine, also comprise the sandbox raceway and the positioner of fixing said cope or drag box.
In the above-mentioned dijection tube compacting box molding machine, the air pressure oil that the supercharging device of said system for compacting designs for integral type self pressurized cylinder, and said system for compacting is installed on the base, and guide pillar connects penetrates sand mechanism and base.
In the above-mentioned dijection tube compacting box molding machine, also comprise the fuel feeding and the air supply system that are connected with said pressurized cylinder.
In the above-mentioned dijection tube compacting box molding machine, also comprise exhaust, noise elimination and dust arrester.
The dijection tube compacting box molding machine that the utility model technical scheme provides adopts two tubes of penetrating of penetrating sand synchronously, and is suitable for the rectangle sandbox more, thereby avoids penetrating the restriction that sand technology receives the sandbox size; On the other hand, it is pressed and fills out the dual compaction process structural design that frame presses down in advance down through filling out in advance on adopting on the frame, can guarantee that the molding sand in the sandbox obtains desirable degree of packing requirement.
Description of drawings
Fig. 1 is the example structure figure of the utility model dijection tube compacting box molding machine;
Fig. 2 is the operation principle flow chart of the utility model dijection tube compacting box molding machine.
The specific embodiment
Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
Fig. 1 is the example structure figure of the utility model dijection tube compacting box molding machine, and is as shown in the figure, and the moulding machine of present embodiment comprises penetrates sand mechanism and system for compacting.Wherein, Penetrate sand mechanism and comprise that penetrating tube 101 (Fig. 1 only analyse and observe demonstrate one of them) and corresponding two for two adds sand hopper 102; Add sand hopper 102 and penetrate to be provided with between the tube 101 and put sand plate and domed cover 103; The inside of domed cover then is provided with the gas bag 104 that fills Compressed Gas, penetrate tube 101 below be provided with sand-shooting head, penetrate sand plate 105 and on fill out frame 107 in advance.System for compacting is arranged at the below of penetrating sand mechanism; It specifically comprises supercharging device 112, guide pillar 106 and fills out frame 108 down in advance; On fill out frame 107 in advance and be arranged at the below of penetrating sand plate 105; Fill out down the below of frame 108 in advance and then place template and pattern plate bolster 109, and on fill out frame 107 in advance and fill out placement cope or drag box 110 between the frame 108 down in advance.
Continue as shown in Figure 1ly, in the dijection tube compacting box molding machine of this enforcement, also comprise template quick-changing mechanism 111, aforementioned template and pattern plate bolster 109 promptly are arranged on this template quick-changing mechanism 111.
In addition, in the dijection tube compacting box molding machine of present embodiment, also comprise the sandbox raceway and the positioner that are used for fixing cope or drag box 110; And exhaust, noise elimination and dust arrester; It is not the characteristics place of the utility model, and is therefore also not shown among the figure, does not give unnecessary details here yet.
Need to prove that in the above-mentioned dijection tube compacting box molding machine, the supercharging device of system for compacting is specially air pressure oil self pressurized cylinder of integral type design, and this covering device is installed on the base 113.Accordingly, fuel feeding and the air supply system that is connected with aforementioned pressurized cylinder also need be set.
Structure and technology that the dijection tube compacting box molding machine of the utility model selects for use the dijection tube to penetrate sand can improve the applicability and the popularity of penetrating sand technology widely; What dijection barrel structure key technology was to control well it penetrates sand synchronously; Penetrating in time moment of sand; Guarantee that sand is consistent under the molding sand in two blasting units, the molding sand that is injected in the sandbox is filled and uniformity on each aspect.On the contrary; If what bad two blasting units were grasped in control penetrates the sand simultaneous techniques, that will take place two kinds maybe: 1. sand one fast one is slow under two blasting units, and one earlier after one; More than one one is few; Join the sandbox correspondence like this and penetrate the molding sand of two each aspects of projecting section of tube, different because of adding fashionable kinetic energy, can cause degree of packing height uneven; 2. penetrate a tube following sand perforation and not descend sand for two, cause that to join the interior molding sand amount of sandbox not enough, penetrate not moulding of sand, the degree of packing is not enough, thereby causes crush.
On the other hand; Penetrate compacting in the sand technology and be meant that the compacting operating cylinder effect that drives at high-pressure and hydraulic oil will be injected into down in the sandbox that pretension is real fills full molding sand (fill out frame or following on comprising in advance and fill out the molding sand in the frame in advance) compacting, thereby satisfy degree of packing requirement required on the technology.Debulking methods is said from technology, divides two kinds of last pressure type and press-down types usually, is suitable for the selection of different product design of part and parts modeling die joint.In order to make sand mold be met the degree of packing of requirement, need in sandbox, add loose molding sand more than the volume of sandbox own, just need promptly fill out frame in advance during back-up sand in that filling frame is set above the sandbox or below the sandbox for this reason.Particularly; Fill out frame in advance below sandbox in the following compacting type compaction process; Penetrate sand and fill up sandbox in advance and fill out frame in advance down, the molding sand that compacting is filled out in the frame at present in advance then is pressed in the sandbox from die joint, and the distribution of its degree of packing is from the die joint to the back side, to be reduced gradually by height.Similarly; Fill out the top that frame then is positioned at sandbox in advance in the last pressure type compaction process; Penetrate sand and can fill up in advance and fill out frame and sandbox in advance, the molding sand of filling out in advance in the frame on during compacting then is pressed in the sandbox from the back side, and the distribution of its degree of packing then is that the sand mold back side is reduced by height to die joint gradually.Can find out that from above explanation following compacting and last compaction process cut both ways, respectively be suitable for different parts and different processes somatotype.The sand molding machine of penetrating that uses in producing at present; No matter have case or drawing; All have only a kind of compaction process to select on the structure, could be suitable for after therefore upward the part of moulding machine must pass through Casting Technological Analysis, this just makes the application of moulding machine must receive technologic constrained.And can find out from the dijection tube compacting box molding machine embodiment of above-mentioned the utility model; It is provided with simultaneously and fills out frame and the following frame of filling out in advance in advance; Thereby process characteristic with the pressure of going up and the dual compacting of press-down type; Therefore must enlarge the range of application of penetrating the sand molding machine, can guarantee the best reasonability of moulding compaction process simultaneously again, have the essence promotional value.
Further; For the sand mold that guarantees to create crush not in transhipment, course of conveying; And the sand mold die cavity can be resisted the molten iron that pours into its pressure is corroded in casting process, therefore necessarily requires sand mold that enough degree of packing are arranged, and promptly sand mold has enough compacting specific pressures.The compacting specific pressure is to weigh a technical parameter index of sand mold compactability quality, the size of total compaction force that its expression sand mold unit are is born.The size of total compaction force depends on the basal area (being the diameter of oil cylinder) of compacting oil cylinder and acts on the size of hydraulic fluid pressure on this unit are.In order to guarantee that compacting specific pressure and compacting working cylinder that sand mold is enough promote, time action cycle of supercharging, this just requires to provide the hydraulic power unit system of big flow and high pressure.1200 * 700mm is an example with sandbox size (internal orifice), when molding sand compacting specific pressure is 8kg/cm
2The time, the total compaction force that acts on the sand mold should be (120 * 70) cm
2* 8kg/cm
2=67200kg.When selecting the compacting cylinder diameter for use is 450mm, lift stroke 450mm, and supercharging stroke 80mm and lifting action cycle, required maximum stream flow was about about 800L/min when 6s.But present any vane pump, gear pump and plunger displacement pump also do not have so big specifications and models can satisfy its parameter request, necessary several parallels connection of pumps, but certainly will cause system complex, cost too high like this.For this reason, the system for compacting that the utility model adopts is air pressure oil self pressurized construction, and compacting oil cylinder and pressurized cylinder design for integral type; Workbench promotes by the compacting oil cylinder and accomplishes like this, is then accomplished by pressurized cylinder during supercharging, when pressure ratio is 10; The unit pressure of oil can improve 10 times; Hydraulic oil is provided by the outer secondary fuel tank of machine, can guarantee just that through above-mentioned setting the utility model dijection tube compacting box molding machine in time action cycle, obtains the sand mold of the qualified degree of packing.
In sum, the dijection tube compacting box molding machine that the utility model technical scheme provides adopts two tubes of penetrating of penetrating sand synchronously, and is suitable for the rectangle sandbox more, thereby avoids penetrating the restriction that sand technology receives the sandbox size; On the other hand, it designs through filling out the dual consolidated structure of pressing and filling out in advance down frame to press down on the frame on adopting in advance, can guarantee that the molding sand in the sandbox obtains desirable degree of packing requirement.Particularly, it has following characteristics:
(1). penetrate sand mechanism and adopt two blasting units, guarantee to penetrate sand synchronously, do not bore a hole, crush not reaches and adds sand and the even purpose of pretension reality back-up sand;
(2). system for compacting adopts the design that last pressure type compacting and the dual process characteristic of press-down type compacting are arranged, and guarantees to obtain desirable degree of packing requirement after the compacting of different product part;
(3). air pressure oil self pressurized construction that adopts system for compacting and booster body to combine together, accomplish promoting and the supercharging compacting, solve the difficult problem that existing market does not have the super-flow oil pump, the structure configuration is simple, practices thrift cost;
(4). select the separate unit moulding machine for use, double top box and the nowel done, the configuration template fast replacing device, wiring occupation of land spatial area subsidiary engine quantity little and the moulding machine distribution is few.
In one embodiment, the important technological parameters of the utility model dijection tube compacting box molding machine can be provided with as follows:
(1). sandbox size (internal orifice length * wide) 1200 * 700mm to 1600 * 900mm
(2). production capacity (second/type) 35 to 40
(3). total compaction force (ton) 80 to 100
(4). compacting specific pressure (kilograms per centimeter 2) 8 to 10
At last, based on the description of the foregoing description, combine finely to understand the operation principle of the utility model dijection tube compacting box molding machine again with reference to figure 2.
More than be the preferred forms of the utility model, according to the disclosed content of the utility model, those of ordinary skill in the art can obviously expect some identical, replacement schemes, all should fall into the scope of the utility model protection.
Claims (6)
1. dijection tube compacting box molding machine; Comprise and penetrate sand mechanism and system for compacting; It is characterized in that the said sand mechanism of penetrating comprises that penetrating tube and corresponding two for two adds sand hopper, the said sand hopper that adds is penetrated between the tube setting and is put sand plate and domed cover with said; The inside of said domed cover then is provided with the gas bag that fills Compressed Gas, said penetrate the tube the below be provided with sand-shooting head, penetrate the sand plate and on fill out frame in advance; Said system for compacting is arranged at the said below of penetrating sand mechanism, and comprises supercharging device, guide pillar and the following frame of filling out in advance; Fill out frame on said in advance and be arranged at the said below of penetrating the sand plate, template and pattern plate bolster are then placed in the said following below of filling out frame in advance, and fill out frame and said following fill out in advance placement cope or drag box between the frame on said in advance.
2. dijection tube compacting box molding machine as claimed in claim 1 is characterized in that also comprise the template quick-changing mechanism, said template and pattern plate bolster are arranged on the said template quick-changing mechanism.
3. dijection tube compacting box molding machine as claimed in claim 1 is characterized in that, also comprises the sandbox raceway and the positioner of fixing said cope or drag box.
4. dijection tube compacting box molding machine as claimed in claim 1; It is characterized in that; The air pressure oil that the supercharging device of said system for compacting designs for integral type self pressurized cylinder, and said system for compacting is installed on the base, connects said sand mechanism and the base penetrated by said guide pillar.
5. dijection tube compacting box molding machine as claimed in claim 4 is characterized in that, also comprises the fuel feeding and the air supply system that are connected with said pressurized cylinder.
6. like each described dijection tube compacting box molding machine of claim 1～5, it is characterized in that, also comprise exhaust, noise elimination and dust arrester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202440065U CN202180177U (en) | 2011-07-12 | 2011-07-12 | Compacting moulding machine with double injection cylinders and boxes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202440065U CN202180177U (en) | 2011-07-12 | 2011-07-12 | Compacting moulding machine with double injection cylinders and boxes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202180177U true CN202180177U (en) | 2012-04-04 |
Family
ID=46173225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202440065U Expired - Fee Related CN202180177U (en) | 2011-07-12 | 2011-07-12 | Compacting moulding machine with double injection cylinders and boxes |
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| Country | Link |
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| CN (1) | CN202180177U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248133A (en) * | 2011-07-12 | 2011-11-23 | 常州市卓信机电设备制造有限公司 | Double-shot cylinder compacting box-containing molding machine |
| CN102806319A (en) * | 2012-09-04 | 2012-12-05 | 常州市卓信机电设备制造有限公司 | Double compacting technical structure for box molding machine |
| CN104209478A (en) * | 2014-09-23 | 2014-12-17 | 南安市德林机械制造有限公司 | Full-automatic molding machine |
| CN105750510A (en) * | 2016-05-20 | 2016-07-13 | 许云东 | Horizontal three-step molding machine for manufacturing green sand molds |
-
2011
- 2011-07-12 CN CN2011202440065U patent/CN202180177U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248133A (en) * | 2011-07-12 | 2011-11-23 | 常州市卓信机电设备制造有限公司 | Double-shot cylinder compacting box-containing molding machine |
| CN102248133B (en) * | 2011-07-12 | 2015-08-12 | 常州市卓信机电设备制造有限公司 | Double-shot cylinder compacting box-containing molding machine |
| CN102806319A (en) * | 2012-09-04 | 2012-12-05 | 常州市卓信机电设备制造有限公司 | Double compacting technical structure for box molding machine |
| CN104209478A (en) * | 2014-09-23 | 2014-12-17 | 南安市德林机械制造有限公司 | Full-automatic molding machine |
| CN105750510A (en) * | 2016-05-20 | 2016-07-13 | 许云东 | Horizontal three-step molding machine for manufacturing green sand molds |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120404 Termination date: 20140712 |
|
| EXPY | Termination of patent right or utility model |