CN101301678A - Coating clay bottom pouring brick slurry coating device for die cast and method - Google Patents

Abstract

The invention discloses a coating clay bottom pouring brick plating device and a method thereof used for die casting. The device comprises a bracket which is provided with a worktable; the worktable is provided with a first working position and a second working position; the bracket is also provided with a transmission mechanism which is used for conveying the workpiece to the first working position and the second working position; the first working position is provided with a plating mechanism; the second working position is provided with a coating mechanism; a drying mechanism is also arranged in front of the first working position on the worktable and behind the second working position on the worktable; the plating mechanism comprises a slurry cylinder which comprises a slurry outlet and a plating head; the coating mechanism comprises a slurry brushing cylinder which comprises a liquid outlet and a brushing head. Compared with the prior art, the plating device of the invention has high mechanization degree, has no special requirement on the operators, greatly reduces the labour intensity, greatly improves the production efficiency at the same time, and obviously improves the quality of the coating.

Description

Coating clay bottom pouring brick slurry coating device for die cast and method

Technical field

The present invention relates to make die casting with in the coating clay bottom pouring brick technology in clay bottom pouring brick inner chamber periphery stopping off field, concrete is a kind of paste applying device and method at the automatic stopping off of clay bottom pouring brick inner chamber periphery.

Background technology

In the prior art, clay bottom pouring brick is mainly used in die casting production, used when the steel ingot casting operation of special steel grades such as steel curtain, line steel, be used to the high-temperature liquid state steel of casting usefulness to provide one to lead to the fire resistant heat insulation path that waters mold, its base material is made into fired the forming of shape that needs for clay matter.During teeming and since the liquid steel of excessive temperature wash away melting loss, the impurity that the wall of fire resistant heat insulation path comes off can water in the mold along with liquid steel enters together, and causes the increase of field trash, this causes serious harmful effect for product quality and subsequent production.So die casting generally needs zirconium, the magnesia protective layer of the about 0.5 ~ 2mm of chamber surface applied thickness within it with clay matter bottom pouring brick, constitutes the coating clay bottom pouring brick.Because the protection of coating has stoped molten steel to contact with the fireclay refractory of base material, when having prevented casting operation, cause the increase of field trash because of washing away melting loss.

During the die casting field operation, according to the difference on operation chassis, the specification of the refractory brick of use is also different, as required the use that is assembled together of relevant refractory brick.According to the needs of different product production and the requirement of assembling, the brick type specification of bottom pouring brick commonly used reaches about 23 kinds.Shape facility according to brick can be divided into following a few class: (1) vertical bar shaped brick: two kinds of square block and cylindrical shape bricks are arranged, the square block profile is the square of 140mm * 140mm, height is not waited by 210mm to 400mm, and the diameter of interstitial hole is 60mm, and weight is not waited by 8kg ~ 15kg; Cylindrical shape brick profile diameter is generally at 180mm, and height is not waited by 255mm to 280mm, and the diameter of interstitial hole is 120mm, and weight is not waited by 10kg ~ 12kg.(2) special shaped brick: trumpet type, two logical types, triplet type, four-way type etc. are arranged

Coating clay bottom pouring brick coating media is the mud of protective medium modulation such as zirconium, magnesium; mud is generally formulated by sand shape and powdery protective medium adding liquid-containing binder; 200420021421.4,200710190517.1 pairs of coating clay bottom pouring bricks of patent have been made regulation, but do not relate to the method that applies mud.The quality critical of coating clay bottom pouring brick depends on the mud coating, and applying method will directly influence coating quality and result of use.Enterprise's mode of operation aborning mainly is to adopt the manual grouting method and retouch the method for being coated with at present: (1) grouting method is mainly used in the vertical bar shaped brick, the brick type that will be coated with is stood upright on the suitable support, use the specific purpose tool of being done to stop up at the position, top, pour into mud, slowly spur specific purpose tool downwards with hand then, mud is slowly applied up along inwall, clear up the holiday part with hairbrush again after drying slightly.(2) retouch the method for being coated with and be mainly used in special shaped brick, directly mud is coated on the inwall with hairbrush exactly.

Problems of the prior art: (1) coating layer thickness and uniformity are restive; (2) slurries precipitation in the production process; (3) the coating surface roughness is restive; (4) production operation labour intensity is big; (5) production efficiency is low; (6) climatic environment bad adaptability;

Summary of the invention

Technical problem to be solved by this invention is at above-mentioned the deficiencies in the prior art, and a kind of effective raising coating quality of artificial pasting, mechanical type paste applying device and applying method of saving manpower, enhancing productivity of replacing is provided.

For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of coating clay bottom pouring brick slurry coating device for die cast, the support that comprises a band workbench, this workbench is provided with first station and second station, on this support, also be provided with a transport sector that is used for workpiece is sent to above-mentioned first station and second station, at described first station one solutioning mechanism is set, is provided with one at described second station and brushes mechanism.

Before first station and the upper end behind second station also is provided with a drying mechanism on described workbench.

Described solutioning mechanism comprises the slurries tube and a pasting head of a band slurries outlet, and described slurries tube is arranged on the upper end of workbench, and described pasting head is arranged on the lower end of workbench, and can move up to first station of workbench; Described brushing mechanism comprises that the brushing slurry tube and of a drag-out mouth brushes head, and described brushing slurry tube is arranged on the upper end of workbench, and described brushing head is arranged on the lower end of workbench, and can move up to second station of workbench.

Described transport sector is roll shaft or belt transmission mechanism.

In described slurries tube, be provided with the control valve of a control slurries rate of discharge, at the described control valve that is provided with a control liquid outlet flow in the swabbing tube that is coated with.

In described slurries tube, be provided with a rabbling mechanism, in described brushing slurry tube, also be provided with a rabbling mechanism.

Paste applying device of the present invention, comprise transport sector, drying mechanism, coating mechanism and brush mechanism, need the pasting workpiece to be placed on an end of transport sector, under the transmission of transport sector, at first tentatively dry through drying mechanism, reach first station then, applying mechanism starts working, apply one deck slurries at work piece inner surface, workpiece arrives second station then, brushes mechanism and starts working, and brushes one deck slurries at work piece inner surface, and then under the effect of drying mechanism, dry, after transport sector is sent to other end blanking.

Compared with prior art, paste applying device mechanization degree height of the present invention has no special requirements to operating personnel, and labour intensity greatly reduces, and when reducing labour intensity, production efficiency has obtained very big raising, and coating quality obviously improves.

A kind of die casting is stained with the bottom pouring brick applying method with coating, may further comprise the steps:

Step 1, slurries stir automatically: configure the slurries that are coated with application and place the slurries bucket, by the automatic stirrer that is installed in the slurry bucket slurries are continuously stirred, evenly do not precipitate to keep slurries;

Step 2, workpiece automatic transport location: the workpiece of needs coating by manipulator or manually be put into an end of transport sector, is sent to first station and second station by transport sector with workpiece, is transported to the other end at last;

Step 3, heat drying: with the workpiece automatic transport in the process of pasting position, by drying mechanism hot air duct be 30～100 ℃ hot blast to the workpiece lumen blowing temp;

Step 4, coating slurries: when workpiece arrives first station, the pasting head of solutioning mechanism moves upward from the bottom and injects rising and suitable for reading near workpiece lumen from workpiece lumen, slurries in the slurries bucket quantitatively are injected on the pasting head by the slurries outlet, and evenly trickle in the groove of pasting head and workpiece lumen, then, the pasting head is withdrawn downwards, and slurries evenly trickle along the workpiece lumen surface and are coated in the workpiece lumen surface;

Step 5, brush coating surface: the workpiece after the coating is transported to second station through transport sector, and its top is coated with the swabbing tube for what brush mechanism, and head is brushed for the rotation of brushing mechanism in its below, brushes head and stretches into workpiece lumen place suitable for reading earlier; A small amount of diluted slurries are brushed on the head by quantitative being poured onto of liquid outlet, and evenly trickle to brushing the junction of head with workpiece lumen, and control is brushed head to bottom's rotation limit withdrawal automatically, brushes the coating surface of whole work-piece;

Step 6, dry coating: coated and brush after workpiece be sent on the transport sector, the drying mechanism by the upper end is 30～100 ℃ hot blast to the workpiece lumen blowing temp;

Step 7, following workpiece: coating and brush after workpiece through delivered to automatically after the heated-air drying transport sector the blanking position, by manipulator or manually workpiece is taken off.

Compared with prior art, the advantage of applying method of the present invention is: because coating is even, smooth, firm, should not breaks in the use, come off, guarantee product quality; All carry out blowing hot-air before the pasting and after the pasting and handle, guaranteed that product quality can not be subjected to the influence of amblent air temperature; Steady quality.

Description of drawings

Fig. 1 is a pasting paste applying device structural representation of the present invention.

Wherein, 1, support, 2, workbench, 21, first station, 22, second station, 3, solutioning mechanism, 31, the slurries tube, 32, the pasting head, 33, control valve, 4, brush mechanism, 41, brush the slurry tube, 42, brush head, 5, drying mechanism, 6, transport sector, 7, workpiece.

The specific embodiment

Below in conjunction with accompanying drawing, the present invention is elaborated, as shown in Figure 1, a kind of coating clay bottom pouring brick slurry coating device for die cast, the support 1 that comprises a band workbench 2, this workbench 2 is provided with first station 21 and second station 22, also is provided with a transport sector 6 that is used for workpiece 7 is sent to above-mentioned first station 21 and second station 22 on this support 1, this transport sector 6 be belt transmission mechanism or with rod as the transmission matrix.At first station 21 solutioning mechanism 3 is set, is provided with one at second station 22 and brushes mechanism 4, on workbench 2 first station 21 before with second station 22 after the upper end also be provided with a drying mechanism 5, the workpiece 7 of the air outlet of drying mechanism 5 on the workbench 2.Solutioning mechanism 3 comprises the slurries tube 31 of a band slurries outlet and a rotatable pasting 32, be used for the workpiece that coat internal surfaces is a cylinder, when work piece inner surface is irregular shape, brush 32 and do not need rotation, as long as it is consistent with the inner surface configuration of workpiece 7 to brush a shape of 32, slurries tube 31 is arranged on the upper end of workbench 2, in slurries tube 31, be provided with a rabbling mechanism, be provided with the control valve 33 of a control slurries rate of discharge in the slurries outlet of slurries tube 31, pasting 32 is arranged on the lower end of workbench 2, and first station 21 that can move up to workbench 2 applies the workpiece 7 that is positioned on first station 21; Brush mechanism 4 and comprise brushing slurry the tube 41 and one rotatable brushing 42 of a drag-out mouth, be used for the workpiece that coat internal surfaces is a cylinder, when work piece inner surface is irregular shape, brush 42 and do not need rotation, as long as it is consistent with the inner surface configuration of workpiece 7 to brush a shape of 42, brush head and brush the upper end that slurry tube 41 is arranged on workbench 2, in brushing slurry tube 41, also be provided with a rabbling mechanism, be provided with the control valve of a control liquid outlet flow at the liquid outlet that is coated with swabbing tube 41, brush 42 and be arranged on the lower end of workbench 2, and second station 22 that can move up to workbench 2 is brushed the workpiece 7 that is positioned on second station 22.

Adopt the present invention with the concrete grammar that the coating clay bottom pouring brick carries out pasting to be to die casting, the slurries that are coated with application that configure are placed the slurries bucket, and by the automatic stirrer that is installed in the slurry bucket slurries are continuously stirred, evenly do not precipitate to keep slurries.Mixing speed is not precipitated as suitable with slurries.By automatic transmission rod (or belt) the workpiece automatic transport is arrived the position of pasting, and the location.With the workpiece automatic transport in the process of pasting position, the hot air duct by automatic control is to workpiece lumen blowing hot-air (30～100 ℃), the air quantity and the temperature of hot blast are regulated according to amblent air temperature.Be mushroom pasting head and inject rising and suitable for reading near workpiece lumen from workpiece lumen, slurries in the slurry bucket quantitatively are injected on the pasting head by controlled pipeline, and evenly trickle in the groove of pasting head and workpiece lumen, the slurries amount that pours into is controlled by ducted autocontrol valve; Then, unit head control pasting head is withdrawn downwards, and slurries evenly trickle along the workpiece lumen surface and are coated in the workpiece lumen surface, and the speed of withdrawal can be controlled, so that the thickness and the quality of control coating.Workpiece after the coating is delivered to this station automatically, and the slurries bucket is used for brushing in its top, and its below is provided with one and brushes mechanism automatically.Brush head and be mushroom, automatically retractable under power drive, and can rotate.Brush head and stretch into workpiece lumen place suitable for reading earlier; A small amount of diluted slurries are poured onto by a pipeline and brush on the head, and evenly trickle to brushing the junction of head with workpiece lumen, and the slurries amount that pours into is controlled by ducted autocontrol valve; Automatically control is brushed head to bottom's rotation limit withdrawal, and speed can be controlled, so that the roughness of control coating surface.Coated and brush after workpiece delivered to automatically on the automatic transmission rod (or belt), be distributed with hot air duct at an upper portion thereof.Hot air duct by automatic control is to workpiece lumen blowing hot-air (30～100 ℃), so that coating is evenly dry.Can regulate the air quantity and the temperature of hot blast as required.

The present invention mainly illustrates the new method of the automatic stopping off of clay bottom pouring brick inner chamber periphery, and for other step in the coating process, owing to be known technology, the present invention does not do new improvement to it, so do not give unnecessary details at this paper.

The present invention is that the surface of internal cavity coating media layer of the various workpiece of garden cylindricality all is suitable for to inner chamber, therefore all in protection scope of the present invention.

Claims (7)

1, a kind of coating clay bottom pouring brick slurry coating device for die cast, it is characterized in that: the support (1) that comprises a band workbench (2), this workbench (2) is provided with first station (21) and second station (22), on this support (1), also be provided with one and be used for transport sector (6) that workpiece (7) is sent to above-mentioned first station (21) and second station (22) and workpiece is sent to blanking from above-mentioned second station (22), at described first station (21) solutioning mechanism (3) is set, is provided with one at described second station (22) and brushes mechanism (4).

2, paste applying device according to claim 1 is characterized in that: the upper end at last first station of described workbench (2) (21) behind preceding and second station (22) also is provided with a drying mechanism (5).

3, paste applying device according to claim 1, it is characterized in that: described solutioning mechanism (3) comprises the slurries tube (31) and a pasting head (32) of a band slurries outlet, described slurries tube (31) is arranged on the upper end of workbench (2), described pasting head (32) is arranged on the lower end of workbench (2), and can move up to first station (21) of workbench; Described brushing mechanism (4) comprises the brushing slurry tube (41) of a drag-out mouth and one brushing head (42), described brushing slurry tube (41) is arranged on the upper end of workbench (2), described brushing head (42) is arranged on the lower end of workbench (2), and can move up to second station (22) of workbench.

4, paste applying device according to claim 1 is characterized in that: described transport sector (2) is roll shaft or belt transmission mechanism.

5, paste applying device according to claim 3 is characterized in that: be provided with the control valve (33) of a control slurries rate of discharge in described slurries tube (32), at the described control valve that is provided with a control liquid outlet flow in the swabbing tube (42) that is coated with.

6, paste applying device according to claim 5 is characterized in that: be provided with a rabbling mechanism in described slurries tube (32), also be provided with a rabbling mechanism in described brushing slurry tube (42).

7, a kind of die casting coating clay bottom pouring brick slurry coating method is characterized in that: may further comprise the steps:

Step 1, slurries stir automatically: configure the slurries that are coated with application and place the slurries bucket, by the automatic stirrer that is installed in the slurry bucket slurries are continuously stirred, evenly do not precipitate to keep slurries;

Step 2, workpiece automatic transport location: the workpiece of needs coating by manipulator or manually be put into an end of transport sector, is sent to first station and second station by transport sector with workpiece, is transported to the other end at last;

Step 3, heat drying: with the workpiece automatic transport in the process of pasting position, by drying mechanism hot air duct be 30～100 ℃ hot blast to the workpiece lumen blowing temp;

Step 4, coating slurries: when workpiece arrives first station, the pasting head of solutioning mechanism moves upward from the bottom and injects rising and suitable for reading near workpiece lumen from workpiece lumen, slurries in the slurries bucket quantitatively are injected on the pasting head by the slurries outlet, and evenly trickle in the groove of pasting head and workpiece lumen, then, the pasting head is withdrawn downwards, and slurries evenly trickle along the workpiece lumen surface and are coated in the workpiece lumen surface;

Step 5, brush coating surface: the workpiece after the coating is transported to second station through transport sector, and its top is coated with the swabbing tube for what brush mechanism, and head is brushed for the rotation of brushing mechanism in its below, brushes head and stretches into workpiece lumen place suitable for reading earlier; A small amount of diluted slurries are brushed on the head by quantitative being poured onto of liquid outlet, and evenly trickle to brushing the junction of head with workpiece lumen, and control is brushed head to bottom's rotation limit withdrawal automatically, brushes the coating surface of whole work-piece;

Step 6, dry coating: coated and brush after workpiece be sent on the transport sector, the drying mechanism by the upper end is 30～100 ℃ hot blast to the workpiece lumen blowing temp;

Step 7, following workpiece: coating and brush after workpiece through delivered to automatically after the heated-air drying transport sector the blanking position, by manipulator or manually workpiece is taken off.

Images