CN208913088U - A kind of rear cover casting production equipment - Google Patents

Abstract

The utility model discloses a kind of rear cover casting production equipments, including casting die cavity and precoated sand riser cylinder, the bosom of the casting die cavity is provided with hole, and outer circulation hot-fluid sleeve is installed above casting die cavity, the inner wall of the precoated sand riser cylinder is provided with sliding slot, and precoated sand riser cylinder is located at the top of outer circulation hot-fluid sleeve.Rear cover casting production equipment passes through the setting of outer circulation hot-fluid sleeve, production equipment is set to obtain a hot fluid circulation interactive construction, it is handled to carry out lasting circulation heating to molten iron, thermal insulation siding is used to obstruct the high temperature of outer circulation hot-fluid sleeve outer wall output, series-flow pipe uniformly supplies hot-fluid to circulation pipe, hot-fluid circulates in the helical structure of circulation pipe, even heat is applied in the pipeline configuration on the inside of outer circulation hot-fluid sleeve, reinforce the casting effect of molten iron, molten iron is avoided to harden before casting, the efficiency and quality of entire casting process are condensed and influenced in advance.

Description

A kind of rear cover casting production equipment

Technical field

The utility model relates to the casting production equipment technology of lid, specially a kind of rear cover casting production equipment.

Background technique

Casting is the metal forming object obtained with various casting methods, i.e., the liquid metal smelted, with casting, pressure Penetrate, suck or other casting methods inject in preprepared casting mold, it is cooling after after the following process means such as polishing, gained The object with certain shapes, size and performance arrived, in machinery production field, many products are all one by the way of casting Secondary processing, these are that Structural strength calls are very high, structural property is stablized mostly, standard component or can be used as standard component progress The product of batch production directly obtains finished product by a casting forming.In casting process, casting process, which faces, repeatedly to be changed Into there is crescent annular channel on casting two sides, and using side riser technique, the riser of diameter 100mm is tested, and gate land is easy There is puncture, analysis is the reason is that because riser thermal center is larger, and high temperature riser influences the feeding a casting being closer, for riser The problem of neighbouring casting puncture, increases the distance between riser and casting, it is contemplated that feeding distance is long, increases riser diameter and height Degree, the problem of cast(ing) surface puncture without, but dissect casting discovery, core cavity is severely deformed in addition runner occur due to Casting caused by loam core is broken batch seam, for this purpose, the production equipment it is proposed that a kind of rear cover is cast.

Utility model content

The purpose of this utility model is to provide a kind of rear cover casting production equipments, to solve to propose in above-mentioned background technique Casting two sides have crescent annular channel, using side riser technique, the riser of diameter 100mm is tested, gate land be easy There is puncture, analysis is the reason is that because riser thermal center is larger, and high temperature riser influences the feeding a casting being closer, for riser The problem of neighbouring casting puncture, increases the distance between riser and casting, it is contemplated that feeding distance is long, increases riser diameter and height Degree, the problem of cast(ing) surface puncture without, but dissect casting discovery, core cavity is severely deformed in addition runner occur due to The problem of casting caused by loam core is broken batch seam.

To achieve the above object, the utility model provides the following technical solutions: a kind of rear cover casting production equipment, including casting Part die cavity and precoated sand riser cylinder, the bosom of the casting die cavity are provided with hole, and the top installation of casting die cavity There is outer circulation hot-fluid sleeve, the inner wall of the precoated sand riser cylinder is provided with sliding slot, and precoated sand riser cylinder is located at outer circulation heat Flow the top of sleeve.

Preferably, the outer wall of the outer circulation hot-fluid sleeve is uniformly fixed with thermal insulation siding, and outer circulation hot-fluid sleeve Inside is equipped with series-flow pipe, and the series-flow pipe is annularly uniformly distributed about the central axes of outer circulation hot-fluid sleeve, and series-flow pipe Inside be fixed with circulation pipe.

Preferably, it is connected between the series-flow pipe and circulation pipe, and circulation pipe is along the vertical side of outer circulation hot-fluid sleeve To being uniformly arranged in the shape of a spiral, the upper left side and lower right of the circulation pipe are provided with inlet and outlet nozzle.

Preferably, fixture block is provided on the inside of the sliding slot, and size matches between fixture block and sliding slot, the precoated sand The centre of riser cylinder is equipped with the first cartridge filter, and the second cartridge filter is provided on the outside of the first cartridge filter, second filtering The outside of cylinder is equipped with third cartridge filter, and the 4th cartridge filter is provided on the outside of third cartridge filter.

Preferably, between first cartridge filter and the second cartridge filter, between the second cartridge filter and third cartridge filter, third Uniformly be inlaid with ball between cartridge filter and the 4th cartridge filter respectively, and the first cartridge filter, the second cartridge filter, third cartridge filter with The bottom surface of 4th cartridge filter is mounted on screen pack, and the inside of the screen pack is in honeycomb structure, and screen pack Lateral wall is fixed with heating layer.

Preferably, straight tube exothermic riser, and the top of straight tube exothermic riser are installed above the precoated sand riser cylinder It is provided with cartridge heater, is bonded to each other between the lateral surface of the cartridge heater and the medial surface of straight tube exothermic riser, the cartridge heater Lower section embedding cylinder is installed, and size matches between embedding cylinder and cartridge heater, and the lateral surface of the embedding cylinder is fixed with every cotton, and embedding The lower section of cylinder is equipped with substrate.

Preferably, the inner wall of the cartridge heater is provided with seed pearl, and the inside of cartridge heater is equipped with intermediate heat supplement cylinder, institute The outer wall setting for stating intermediate heat supplement cylinder is fluted, and groove is uniformly set in the shape of a spiral along the vertical direction of intermediate heat supplement cylinder It sets.

Preferably, size cooperates between the groove and seed pearl, and the central axes of intermediate heat supplement cylinder and cartridge heater Central axes be overlapped.

Preferably, the inside of the intermediate heat supplement cylinder is equipped with heating layer, and the layer that heats up is along the perpendicular of intermediate heat supplement cylinder Histogram is parallel to each other between the heating layer to being placed equidistant with, and the medial surface of the lateral wall for the layer that heats up and intermediate heat supplement cylinder Between be bonded to each other.

Compared with prior art, the beneficial effects of the utility model are as follows:

1, the utility model passes through the setting of outer circulation hot-fluid sleeve, and production equipment is made to obtain a hot fluid circulation effect knot Structure is handled to carry out lasting circulation heating to molten iron, and thermal insulation siding is for obstructing outer circulation hot-fluid sleeve outer wall output High temperature, series-flow pipe uniformly supply hot-fluid to circulation pipe, and hot-fluid circulates in the helical structure of circulation pipe, even heat effect In pipeline configuration on the inside of to outer circulation hot-fluid sleeve, reinforces the casting effect of molten iron, avoid molten iron from hardening before casting, in advance Condense and influence the efficiency and quality of entire casting process.

2, the utility model passes through the setting of precoated sand riser cylinder, increases by one section of extension knot on original dead head structure Structure extends riser to the treated length of molten iron, utilizes the first cartridge filter, the second cartridge filter, third cartridge filter and the 4th cartridge filter Setting, in the inside of precoated sand riser cylinder, setting filter layer for filtering molten iron avoids influencing to pour there are residue in molten iron Effect is cast, the 4th cartridge filter is installed in precoated sand riser cylinder with the cooperation between fixture block and sliding slot, can be by the first mistake Filter cylinder is vertically extracted out, and entire filter structure is taken out from riser, does not influence follow-up work.

3, the utility model makes the first cartridge filter, the second cartridge filter, third cartridge filter and the 4th mistake by the setting of ball There is preferable structure movement in filter cylinder, utilize the first cartridge filter, the second cartridge filter, third cartridge filter and the 4th mistake between each other Structure nested layer by layer between filter cylinder, the size that layer number or synthetic filter network interface are specifically filtered to filter structure carry out Flexible arrangement provides preferably molten iron and the filtration treatment of more uniform and delicate, screen pack is made in conjunction with actual molten steel quality For the core filter structure on each cartridge filter, inside is in honeycomb reticular structure, while filtering, using heating layer persistently to iron Water heat supply guarantees the liquid form of molten iron.

4, the utility model contains molten iron by the setting of straight tube exothermic riser, using straight tube exothermic riser from Cast top is cast, and is improved to original big side riser feeding technology to carry out teeming using a straight tube exothermic riser Feeding is provided with cartridge heater on straight tube exothermic riser, is equipped with embedding cylinder in the internal engagement of cartridge heater, every being placed with hair in cotton Thermit powder carries out level-one heat supply to cartridge heater, is card between cartridge heater and straight tube exothermic riser with being flexibly connected, can be by cartridge heater It removes.

5, the utility model supplements the setting of cylinder by intermediate heat, and cartridge heater is enable to obtain second level for heat treatment, centre It vulcanizes and fills cylinder mainly with the heating layer energization generation heat that heating wire forms come to cartridge heater offer heat source subsidy, centre is vulcanized Fill cylinder using seed pearl in a groove be scrolled into that line position sets move up and down, change position of the intermediate heat supplement cylinder in cartridge heater It sets, the concentration heat production position of cartridge heater is adjusted, using the heat generation characteristic of riser, extend the setting time of molten iron, strengthen Feeding.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model precoated sand riser cylinder partial structural diagram；

Fig. 3 is the utility model cartridge filter partial structural diagram；

Fig. 4 is the utility model cartridge heater structural schematic diagram.

In figure: 1, casting die cavity, 2, through hole, 3, outer circulation hot-fluid sleeve, 4, thermal insulation siding, 5, series-flow pipe, 6, circulation Pipe, 7, inlet and outlet nozzle, 8, precoated sand riser cylinder, 9, sliding slot, 10, fixture block, the 11, first cartridge filter, the 12, second cartridge filter, 13, the Three cartridge filters, the 14, the 4th cartridge filter, 15, ball, 16, screen pack, 17, heating layer, 18, straight tube exothermic riser, 19, heating Cylinder, 20, embedding cylinder, 21, every cotton, 22, substrate, 23, seed pearl, 24, intermediate heat supplement cylinder, 25, groove, 26, heating layer.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of rear cover casting production equipment, including casting Die cavity 1 and precoated sand riser cylinder 8, the bosom of casting die cavity 1 is provided with hole 2, and the top of casting die cavity 1 is equipped with Outer circulation hot-fluid sleeve 3, the outer wall of outer circulation hot-fluid sleeve 3 are uniformly fixed with thermal insulation siding 4, and outer circulation hot-fluid sleeve 3 Inside is equipped with series-flow pipe 5, and series-flow pipe 5 is annularly uniformly distributed about the central axes of outer circulation hot-fluid sleeve 3, and series-flow pipe 5 Inside be fixed with circulation pipe 6, by the setting of outer circulation hot-fluid sleeve 3, production equipment is made to obtain a hot fluid circulation effect Structure is handled to carry out lasting circulation heating to molten iron, and thermal insulation siding 4 is for obstructing the production of 3 outer wall of outer circulation hot-fluid sleeve High temperature out, series-flow pipe 5 uniformly supply hot-fluid to circulation pipe 6, are connected between series-flow pipe 5 and circulation pipe 6, and 6 edge of circulation pipe The vertical direction of outer circulation hot-fluid sleeve 3 is uniformly arranged in the shape of a spiral, and the upper left side and lower right of circulation pipe 6 are provided with disengaging Nozzle 7, hot-fluid circulate in the helical structure of circulation pipe 6, and even heat is applied to the pipe of 3 inside of outer circulation hot-fluid sleeve In road structure, reinforces the casting effect of molten iron, avoid molten iron from hardening before casting, condense in advance and influence entire casting process Efficiency and quality, the inner wall of precoated sand riser cylinder 8 is provided with sliding slot 9, and precoated sand riser cylinder 8 is located at outer circulation hot-fluid sleeve 3 top, the inside of sliding slot 9 is provided with fixture block 10, and size matches between fixture block 10 and sliding slot 9, precoated sand riser cylinder 8 Centre is equipped with the first cartridge filter 11, and the outside of the first cartridge filter 11 is provided with the second cartridge filter 12, the second cartridge filter 12 Outside is equipped with third cartridge filter 13, and the outside of third cartridge filter 13 is provided with the 4th cartridge filter 14, utilizes the first cartridge filter 11, the setting of the second cartridge filter 12, third cartridge filter 13 and the 4th cartridge filter 14 was arranged in the inside of precoated sand riser cylinder 8 Filtering layer avoids influencing effect of casting in molten iron there are residue, the 4th cartridge filter 14 is with fixture block 10 and sliding slot for filtering molten iron Cooperation between 9 is installed in precoated sand riser cylinder 8, the first vertically extraction of cartridge filter 11 will entirely can be filtered knot Structure takes out from riser, does not influence follow-up work, between the first cartridge filter 11 and the second cartridge filter 12, the second cartridge filter 12 and Between three cartridge filters 13, ball 15, and the first filtering are uniformly inlaid between third cartridge filter 13 and the 4th cartridge filter 14 respectively The bottom surface of the 11, second cartridge filter 12 of cylinder, third cartridge filter 13 and the 4th cartridge filter 14 is mounted on screen pack 16, screen pack 16 inside is in honeycomb structure, and the lateral wall of screen pack 16 is fixed with heating layer 17, by the setting of ball 15, makes the There is preferable structure movement between each other in one cartridge filter 11, the second cartridge filter 12, third cartridge filter 13 and the 4th cartridge filter 14 Property, utilize knot nested layer by layer between the first cartridge filter 11, the second cartridge filter 12, third cartridge filter 13 and the 4th cartridge filter 14 Structure, the size that layer number or synthetic filter network interface are specifically filtered to filter structure carries out flexible arrangement, in conjunction with actual Molten steel quality provides preferable and more uniform and delicate filtration treatment to molten iron, and screen pack 16 is as the core on each cartridge filter Heart filter structure, inside is in honeycomb reticular structure, while filtering, using heating layer 17 persistently to molten iron heat supply, guarantees iron The liquid form of water, the top of precoated sand riser cylinder 8 is equipped with straight tube exothermic riser 18, and the top of straight tube exothermic riser 18 is set It is equipped with cartridge heater 19, is bonded to each other between the lateral surface of cartridge heater 19 and the medial surface of straight tube exothermic riser 18, cartridge heater 19 Lower section is equipped with embedding cylinder 20, and size matches between embedding cylinder 20 and cartridge heater 19, and the lateral surface of embedding cylinder 20 is fixed with every cotton 21, And the lower section of embedding cylinder 20 is equipped with substrate 22, every being placed with exothermic mixture in cotton 21, carries out level-one heat supply, heating to cartridge heater 19 It is card between cylinder 19 and straight tube exothermic riser 18 with being flexibly connected, cartridge heater 19 can be removed, the inner wall setting of cartridge heater 19 There is seed pearl 23, and the inside of cartridge heater 19 is equipped with intermediate heat supplement cylinder 24, the outer wall setting that intermediate heat supplements cylinder 24 is fluted 25, and groove 25 is uniformly arranged in the shape of a spiral along the vertical direction of intermediate heat supplement cylinder 24, size between groove 25 and seed pearl 23 It cooperates, and the central axes of intermediate heat supplement cylinder 24 are overlapped with the central axes of cartridge heater 19, intermediate heat supplement cylinder 24 utilizes embedding Set being scrolled into groove 25 of pearl 23 move up and down by line position, changes position of the intermediate heat supplement cylinder 24 in cartridge heater 19 It sets, the concentration heat production position of cartridge heater 19 is adjusted, the inside of intermediate heat supplement cylinder 24 is equipped with heating layer 26, and heats up Layer 26 is placed equidistant with along the vertical direction of intermediate heat supplement cylinder 24, is parallel to each other between the layer 26 that heats up, and the outside for the layer 26 that heats up It is bonded to each other between wall and the medial surface of intermediate heat supplement cylinder 24, intermediate heat supplement cylinder 24 is mainly the heating formed with heating wire Layer 26, which is powered, generates heat to provide cartridge heater 19 heat source subsidy.

Working principle: the 4th cartridge filter 14 is put into precoated sand riser cylinder 8 first for this kind of equipment, utilizes fixture block Mating reaction between 10 and sliding slot 9 fixes the 4th cartridge filter 14 in precoated sand riser cylinder 8, and can be along overlay film The vertical direction of sand riser cylinder 8 moves up and down, and the 4th cartridge filter 14 is before being put into precoated sand riser cylinder 8, in conjunction with reality Molten iron concentration, molten steel quality or molten iron capacity, to the 4th cartridge filter 14 carry out rational allocation, set using the structure of ball 15 Meter, enable 11 inlay card of the first cartridge filter inside the second cartridge filter 12, the second cartridge filter 12 can inlay card in third cartridge filter Inside 13, third cartridge filter 13 can inlay card inside the 4th cartridge filter 14, the first cartridge filter 11, the second cartridge filter 12, third Nested layer by layer between cartridge filter 13 and the 4th cartridge filter 14, generated filter effect is not after the cartridge filter of different number is nested With, layering is carried out to molten iron using the screen pack 16 on each cartridge filter, the residue in molten iron is got rid of, guarantees iron Water quality in filter process, in order to remain unchanged the liquid form of molten iron, needs for heating layer 17 to be powered, heating layer 17 by Heating wire composition, generates high temperature after energization, is applied on molten iron, plays the role of certain melting to molten iron, and molten iron is sent out from straight tube Hot riser 18 enters in casting die cavity 1, is put into heating agent in embedding cylinder 20, guarantees the temperature that heating agent generates using every cotton 21 It can be applied in straight tube exothermic riser 18, complete level-one heating, in intermediate heat supplement cylinder 24, heating layer 24 is with heating wire Main heat production structure, generates high temperature after energization, carries out the heat supply of second level strength to straight tube exothermic riser 18, intermediate heat supplements cylinder 24 It using the cooperation between seed pearl 23 and groove 25, can be moved up and down in cartridge heater 19, to the central heating position of cartridge heater 19 It sets and is adjusted, using the heat generation characteristic of riser, extend the setting time of molten iron, strengthen feeding, molten iron is entering casting mould Before chamber 1, outer circulation hot-fluid sleeve 3 is first passed through, hot-fluid gas is passed through into inlet and outlet nozzle 7, air-flow enters in series-flow pipe 5 Afterwards, the circulation in the helical structure of circulation pipe 6 in stepless action to molten iron, avoids molten iron from mentioning in precoated sand riser cylinder 8 Preceding condensation, and influence final casting effect removes cartridge heater 19 after molten iron is cast, with iron wire by filter structure hook Out, the use process of whole equipment is completed like this.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (9)

1. The production equipment 1. a kind of rear cover is cast, including casting die cavity (1) and precoated sand riser cylinder (8), it is characterised in that: the casting The bosom of part die cavity (1) is provided with hole (2), and outer circulation hot-fluid sleeve is equipped with above casting die cavity (1) (3), the inner wall of the precoated sand riser cylinder (8) is provided with sliding slot (9), and precoated sand riser cylinder (8) is located at outer circulation hot-fluid set The top of cylinder (3).
2. The production equipment 2. a kind of rear cover according to claim 1 is cast, it is characterised in that: the outer circulation hot-fluid sleeve (3) outer wall is uniformly fixed with thermal insulation siding (4), and the inside of outer circulation hot-fluid sleeve (3) is equipped with series-flow pipe (5), described Series-flow pipe (5) is annularly uniformly distributed about the central axes of outer circulation hot-fluid sleeve (3), and is fixed on the inside of series-flow pipe (5) Circulation pipe (6).
3. The production equipment 3. a kind of rear cover according to claim 2 is cast, it is characterised in that: the series-flow pipe (5) and circulation It is connected between pipe (6), and circulation pipe (6) is uniformly arranged in the shape of a spiral along the vertical direction of outer circulation hot-fluid sleeve (3), it is described The upper left side and lower right of circulation pipe (6) are provided with inlet and outlet nozzle (7).
4. The production equipment 4. a kind of rear cover according to claim 1 is cast, it is characterised in that: set on the inside of the sliding slot (9) It is equipped with fixture block (10), and size matches between fixture block (10) and sliding slot (9), the intermediate installation of the precoated sand riser cylinder (8) Have the first cartridge filter (11), and is provided with the second cartridge filter (12) on the outside of the first cartridge filter (11), second cartridge filter (12) it is equipped on the outside of third cartridge filter (13), and is provided with the 4th cartridge filter (14) on the outside of third cartridge filter (13).
5. The production equipment 5. a kind of rear cover according to claim 4 is cast, it is characterised in that: first cartridge filter (11) and Between second cartridge filter (12), between the second cartridge filter (12) and third cartridge filter (13), third cartridge filter (13) and the 4th mistake It is uniformly inlaid with respectively between filter cylinder (14) ball (15), and the first cartridge filter (11), the second cartridge filter (12), third cartridge filter (13) it is mounted on screen pack (16) with the bottom surface of the 4th cartridge filter (14), the inside of the screen pack (16) is in honeycomb Structure, and the lateral wall of screen pack (16) is fixed with heating layer (17).
6. The production equipment 6. a kind of rear cover according to claim 4 is cast, it is characterised in that: the precoated sand riser cylinder (8) Top be equipped with straight tube exothermic riser (18), and cartridge heater (19) are provided with above straight tube exothermic riser (18), it is described plus It is bonded to each other between the lateral surface of hot cylinder (19) and the medial surface of straight tube exothermic riser (18), the lower section peace of the cartridge heater (19) Equipped with embedding cylinder (20), and between embedding cylinder (20) and cartridge heater (19), size matches, and the lateral surface of the embedding cylinder (20) is fixed with Every cotton (21), and substrate (22) are installed below embedding cylinder (20).
7. The production equipment 7. a kind of rear cover according to claim 6 is cast, it is characterised in that: the inner wall of the cartridge heater (19) It is provided with seed pearl (23), and the inside of cartridge heater (19) is equipped with intermediate heat supplement cylinder (24), the intermediate heat supplements cylinder (24) Outer wall be arranged fluted (25), and groove (25) along intermediate heat supplement cylinder (24) vertical direction be uniformly arranged in the shape of a spiral.
8. The production equipment 8. a kind of rear cover according to claim 7 is cast, it is characterised in that: the groove (25) and seed pearl (23) size cooperates between, and the central axes of intermediate heat supplement cylinder (24) are overlapped with the central axes of cartridge heater (19).
9. The production equipment 9. a kind of rear cover according to claim 7 is cast, it is characterised in that: the intermediate heat supplements cylinder (24) Inside be equipped with heating layer (26), and heat up layer (26) along intermediate heat supplement cylinder (24) vertical direction be placed equidistant with, it is described It is parallel to each other, and is heated up between the lateral wall of layer (26) and the medial surface of intermediate heat supplement cylinder (24) mutually between heating layer (26) Fitting.