CN202387512U

CN202387512U - Chain crusher

Info

Publication number: CN202387512U
Application number: CN2011205216108U
Authority: CN
Inventors: 周仕勇; 李兴华; 张宗庆
Original assignee: SHANDONG YUANTONG MACHINERY CO Ltd
Current assignee: SHANDONG YUANTONG MACHINERY CO Ltd
Priority date: 2011-12-14
Filing date: 2011-12-14
Publication date: 2012-08-22
Anticipated expiration: 2021-12-14

Abstract

A chain crusher belongs to the field of crushing and screening equipment, and particularly relates to a crusher, which is applicable to conditioning green sand and crushing and recycling used sand. The chain crusher comprises a semi-closed shell (1) used as a crushing cavity and a feeding hopper (8) connected with one upper side of the shell (1). The chain crusher is characterized in that a motor (2) is connected to the center of the upper end surface of the shell (1) by the aid of bolts (5), an output shaft of the motor (2) extends into the shell (1), a chain wheel (3) is mounted on the lower portion of the output shaft through a flat key (6) and a positioning screw (7), and a plurality of crushing chains (4) are evenly distributed on the circumference of the chain wheel (3) by the aid of the bolts (5). The chain crusher has the advantages of simple structure, economy, practicability, good crushing effect and the like, the quality of molding sand is effectively improved, accordingly, the surface quality of a casting is effectively improved, and zero scrap of the used sand is realized.

Description

The chain-type disintegrating machine

Technical field

The chain-type disintegrating machine belongs to the crushing and screening apparatus field, be specifically related to a kind of be applicable to that damp mould green-sand is handled, old sand is carried out the disintegrating machine that break process is utilized again.

Background technology

In the casting industry of China, though methods such as disappearance mould, V method, resin sand are arranged, damp mould green sand molding casting still is widely used in each Foundry Works at present.The tide mould sand old sand is handled the critical process as damp mould green sand molding workshop section; Seem quite important in each Foundry Works; In order to make old sand reuse or the regeneration must be with its fragmentation, especially core and high pressure wet type old sand be if it is too big not carry out break process old sand learies in the old sand processing procedure.

Along with constantly enlarging the old sand reuse or regenerate, the Foundry Production scale receives people's attention gradually; Present damp mould green-sand disintegrating machine is commonly used mainly contains hammer mill, sheet impact crusher, impact breaker, dicycly disintegrating machine and cartridge type screening crusher etc.; That generally uses is the drum-type screening crusher, and this kind disintegrating machine can be accomplished with sieving broken together.But for the treatment effect that guarantees that sand is handled, make the old sand after the processing reach desirable user mode, sand group, sand beans that most Foundry Works will be broken fully are superseded through sieving after, have caused a large amount of wastes of resource thus, and then have increased manufacturing cost.

Moreover, in the casting sand screening installation, generally adopt the broken sieve apparatus of cylinder; The cylinder of this kind equipment generally is to be rolled by the steel plate punching to be welded, if meet factors such as old sand moisture is higher, the sieve aperture of cylinder is easy to blocked by old sand group in operation process; Screening installation was lost efficacy, do not reach the purpose of screening, therefore; The bad meeting of crushing effect directly influences follow-up screening work, and then influences the surface quality of foundry goods.

Summary of the invention

The technical problem that the utility model will solve is: overcome the deficiency of prior art, the chain-type disintegrating machine that a kind of old sand utilization rate is high, crushing effect is good, economical and practical is provided.

The utility model solves the technical scheme that its technical problem adopted: this chain-type disintegrating machine; Comprise as the semi-enclosed housing of broken cavity and the feed hopper of housing top one side connection; It is characterized in that: pass through the Bolt Connection motor in center, housing upper surface; Motor output shaft stretches into enclosure interior, through flat key and dog screw sprocket wheel is installed in the output shaft bottom, and the sprocket wheel border is uniformly distributed with many broken chains through bolt.After old sand is through magnetic separation, the screening before can carry out break process to the sand group in the old sand, sand beans through this equipment; Having solved broken sieve of cylinder or cartridge type screening crusher can not broken sand beans; Can obviously improve damp mould wet type old sand treatment effect, improve surface quality of continuous castings.

Described broken chain is installed one deck or two-layer on sprocket wheel.

Described broken chain on sprocket wheel every layer be uniformly distributed with 8 or 12.Can select to install what of broken chain according to different sand process for producing rate.

Described feed hopper is the little horn-like setting of the big under shed of upper shed.

Described broken chain horizontal direction is stretched the gap of leaving 5～10mm between back and the housing.Prevent that chain from producing interference friction in the elongated back of wearing and tearing entire length with housing.

Compared with prior art, the beneficial effect that the utility model had is:

1, the old sand treatment effect is good: old sand after through magnetic separation, the screening before can carry out break process to the sand group in the old sand, sand beans through the utility model; Having solved broken sieve of cylinder or cartridge type screening crusher can not broken sand beans; Can significantly improve the treatment effect of damp mould wet type old sand, improve the surface quality of foundry goods.

2, simple in structure, easy to make, easy to maintenance: the utility model and other disintegrating machine smaller volume; Relatively simple for structure; So cost of manufacture is relatively low; Corresponding install and maintenance also more convenient, also can select to install what of broken chain according to different sand process for producing rates.

3, reduce manufacturing cost, economize on resources: can old sand is broken fully, by roller crusher sand group is broken for the sand beans before having solved; Sand beans problem of scrapping after screening then; Realized that old sand zero scraps, practiced thrift the resources of production, further reduced the cost of manufacturing.

Description of drawings

Fig. 1 is the utility model embodiment 1 front view cross-sectional schematic.

Fig. 2 is the axonometric drawing sketch map of the utility model embodiment 1.

Fig. 3 is the utility model embodiment 2 front view cross-sectional schematic.

Wherein: 1, housing 2, motor 3, sprocket wheel 4, broken chain 5, bolt 6, flat key 7, dog screw 8, feed hopper.

Fig. 1～2nd, the most preferred embodiment of the utility model further specifies below in conjunction with 1～3 pair of the utility model of accompanying drawing:

The specific embodiment

Embodiment 1

With reference to accompanying drawing 1～2:

This chain-type disintegrating machine comprises the feed hopper 8 that semi-enclosed housing 1, motor 2, sprocket wheel 3, broken chain 4 and housing 1 top one side as broken cavity connect, and feed hopper 8 is the little horn-like setting of the big under shed of upper shed.Vertically connect motor 2 in center, housing 1 upper surface through bolt 5, motor 2 output shafts stretch into housing 1 inside, through flat key 6 and dog screw 7 sprocket wheel 3 are installed in the output shaft bottom, and sprocket wheel 3 borders are uniformly distributed with many broken chains 4 through bolt 5.

The broken chain 4 of one deck is installed on sprocket wheel 3, and every layer of broken chain 4 is uniformly distributed with 8 or 12 on sprocket wheel 3 borders, and broken chain 4 horizontal directions are stretched the gap of leaving 5～10mm between back and the housing 1.

The course of work is following:

The place is unloaded in the commentaries on classics that the utility model is installed in tide mould sand regenerating used magnetic separation and bucket elevator; Old sand gets in the housing 1 through getting into after the magnetic separation from feed hopper 8; Motor 2 drives sprocket wheel 3 through output shaft and rotates; The rotation of sprocket wheel 3 drives the broken chain of installing its border 4 and rotates together, and the sand group in the old sand, sand beans are broken after chain 4 smashes, through sieving, reaching regeneration effect after the centrifugal regeneration.

Installing herein can be broken fully with old sand behind the utility model, by roller crusher sand group is broken for the sand beans before having solved, and the sand beans problem of after screening, scrapping has then realized that old sand zero scraps, and has practiced thrift raw material, has reduced the cost of manufacturing.

Embodiment 2

With reference to accompanying drawing 3:

The parallel two-layer broken chain 4 of installation on the vertical direction of sprocket wheel 3 borders, every layer of broken chain 4 is uniformly distributed with 8 or 12 on sprocket wheel 3, and broken chain 4 horizontal directions are stretched the gap of leaving 5～10mm between back and the housing 1.

The utility model is installed in puddle mixer sand export and conveyer belt to be changeed and unloads the place, and other operation principles are identical with embodiment 1 with the course of work.Not only solve an easy difficult problem that produces hard sand lump after S13 series puddle mixer mulling process, and improved the quality of molding sand, thereby effectively raised the surface quality of foundry goods.

The above; It only is the preferred embodiment of the utility model; Be not to be the restriction of the utility model being made other form, any professional and technical personnel of being familiar with possibly utilize the technology contents of above-mentioned announcement to change or be modified as the equivalent embodiment of equivalent variations.But every the utility model technical scheme content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of the utility model technical scheme according to the technical spirit of the utility model.

Claims

1. chain-type disintegrating machine; Comprise as the semi-enclosed housing (1) of broken cavity and the feed hopper (8) of housing (1) top one side connection; It is characterized in that: connect motor (2) through bolt (5) in housing (1) center, upper surface; Motor (2) output shaft stretches into housing (1) inside, through flat key (6) and dog screw (7) sprocket wheel (3) is installed in the output shaft bottom, and sprocket wheel (3) border is uniformly distributed with many broken chains (4) through bolt (5).

2. chain-type disintegrating machine according to claim 1 is characterized in that: described broken chain (4) is gone up at sprocket wheel (3) one deck or two-layer is installed.

3. chain-type disintegrating machine according to claim 1 and 2 is characterized in that: described broken chain (4) is uniformly distributed with 8 or 12 for last every layer at sprocket wheel (3).

4. chain-type disintegrating machine according to claim 1 is characterized in that: described feed hopper (8) is little horn-like of the big under shed of upper shed.

5. according to each described chain-type disintegrating machine of claim 1～3, it is characterized in that: described broken chain (4) horizontal direction is stretched the gap of leaving 5～10mm between back and the housing (1).