Environment-friendly shakeout recovery device for cast iron mold

Abstract

The utility model relates to the technical field of cast iron molds, in particular to an environment-friendly shakeout recovery device of a cast iron mold, which comprises a shakeout recovery device main body and the cast iron mold, a dustproof box is arranged at the bottom of the shakeout recovery device main body, a feed hopper is arranged above the dustproof box, and the bottom of the feed hopper is connected with a discharge channel. And a crushing chamber communicating with the dustproof box is fixed to the lower portion of the discharging channel, a crushing roller is installed in the crushing chamber, a first negative pressure fan and a second negative pressure fan are fixed to the upper portion of the side face of the dustproof box through a frame body structure, and the exhaust end of the first negative pressure fan and the exhaust end of the second negative pressure fan communicate with a first discharging pipe and a second discharging pipe correspondingly. According to the environment-friendly shakeout recovery device of the cast iron mold, large casting sand and fine casting sand are fed separately, the situation of feeding blockage is avoided, the fine casting sand is efficiently collected through the casting sand collecting cover, the casting sand is crushed and then subjected to winnowing impurity removal treatment, and the shakeout recovery efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cast iron mould technical field, concretely is a kind of cast iron mould's environmental protection type shakeout recycling device. BACKGROUND

[0002] Cast iron mould is a kind of mould made of cast iron material, mainly used in casting, forming and other industrial production processes.Cast iron mould in use process, especially in sand casting process, melted cast iron is poured into the model prepared in advance, and shakeout after casting natural cooling, therefore a large amount of waste sand will be produced, waste sand if not properly handled directly discharges, not only will cause resource waste, also can cause pollution to environment.Shakeout recycling device is one of key technologies to promote foundry industry to green environmental protection manufacturing transformation, effectively collects waste sand produced in production process by mechanical or pneumatic mode, and utilizes screening, magnetic separation and other technologies to separate metal fragments, dust and other impurities from waste sand, by improving the recycling rate of waste sand to substantially reduce the amount of solid waste that needs to be treated, so as to reduce the pressure on environment.

[0003] The existing public number CN216176384U discloses a sand mold shakeout recycling device, which breaks and filters the caked sand by rotating the sieve cylinder, but during the shakeout recycling process, there are large pieces of cast sand, and the feeding of large pieces of cast sand may cause blockage, and there are also fine cast sand, which is very inconvenient to collect. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a cast iron mould's environmental protection type shakeout recycling device to solve the problem of the cast iron mould shakeout recycling device on the market, which has large pieces of cast sand, and the feeding of large pieces of cast sand may cause blockage, and there are also fine cast sand, which is very inconvenient to collect.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: An environmental protection type shakeout recycling device of cast iron mould, including shakeout recycling device main part and cast iron mould, the bottom of shakeout recycling device main part is equipped with dustproof box, and dustproof box top is equipped with feed hopper, and dustproof box installs in the cast sand conveying belt, the bottom of feed hopper is connected with discharge channel, and discharge channel below is fixed with the crushing chamber that communicates with dustproof box, and the crushing roller is installed in crushing chamber, dustproof box side top is fixed with first negative pressure fan and second negative pressure fan through frame structure, and the exhaust end of first negative pressure fan and second negative pressure fan is respectively communicated with first discharge pipe and second discharge pipe, and first discharge pipe and second discharge pipe are communicated with discharge channel and dustproof box respectively, the cast sand collecting cover is equipped with dustproof box in cast iron mould side of shakeout recycling device main part, and the bottom of cast sand collecting cover is symmetrically clamped with cleaning brush, the connecting hole seat is uniformly fixed on the upper end of cast sand collecting cover, and the telescopic connecting pipe is connected between connecting hole seat and the air inlet end of first negative pressure fan.

[0006] Preferably, the discharge channel is vertically arranged, and the first discharge pipe is obliquely inserted into the discharge channel.

[0007] Preferably, the frame structure on the side of the dustproof box is further screwed with a horizontally arranged electric push-pull rod, and the movable end of the electric push-pull rod is screwed with the cast sand collecting cover.

[0008] Preferably, the side of the dustproof box away from the second discharge pipe is hingedly fixed with a movable door plate, and the movable door plate is sealingly installed with a breathable filter screen.

[0009] Preferably, the cast sand conveying belt is located below the crushing chamber, and the cast sand conveying belt is provided with guide frames on both sides and bolted with the dustproof box.

[0010] Preferably, the dustproof box is provided with a discharge channel corresponding to the position of the cast sand conveying belt on the side, and an impurity collecting bag is placed on the side of the cast sand conveying belt in the dustproof box.

[0011] Compared with the prior art, the environmental protection type shakeout recycling device of cast iron mould has the advantages that: the device allows the coarse cast sand and the fine cast sand to be fed separately, avoiding the blockage of the feed, the fine cast sand is efficiently collected and treated through the cast sand collecting cover, the cast sand is crushed and then treated by air separation and impurity removal, and the efficiency of shakeout recycling is improved. The cast sand collecting cover can move linearly to efficiently collect the fine cast sand remaining in the cast iron mould, the fine cast sand is introduced into the discharge channel from the side, which does not affect the feeding of the coarse cast sand and prevents the blockage of the feed. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1The utility model relates to an environmental protection type shakeout recycling device of cast iron mould

[0013] Figure 2 The utility model relates to an environmental protection type shakeout recycling device of cast iron mould Figure 1 The utility model relates to an environmental protection type shakeout recycling device of cast iron mould

[0014] Figure 3 The utility model relates to an environmental protection type shakeout recycling device of cast iron mould

[0015] In the figure: 1, shakeout recycling device main part; 2, feed hopper; 201, discharge channel; 202, crushing chamber; 3, crushing roller; 4, dustproof box; 401, movable door plate; 402, breathable filter screen; 403, discharge channel; 5, impurity collection bag; 6, cast iron mould; 7, cast sand collection cover; 701, cleaning brush; 702, connecting hole seat; 8, telescopic connecting pipe; 9, first negative pressure fan; 901, first discharge pipe; 10, electric push-pull rod; 11, second negative pressure fan; 1101, second discharge pipe; 12, cast sand conveying belt; 1201, guide frame. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative work belong to the range of the utility model protection.

[0017] Please refer to Figures 1-3The utility model provides a kind of technical scheme: an environment-friendly sand drop recovery device of cast iron mould, including sand drop recovery device main body 1 and cast iron mould 6, sand drop recovery device main body 1 bottom is equipped with dustproof box 4, and dustproof box 4 top is equipped with feed hopper 2, and dustproof box 4 is equipped with sand casting conveyor belt 12, and dustproof box 4 is hinged and fixed with movable door leaf 401 away from second discharge pipe 1101 side, and movable door leaf 401 is sealed and installed with breathable filter screen 402, this structure is easy to take the collection of impurity bag 5 by movable door leaf 401, and breathable filter screen 402 can discharge excess gas, feed hopper 2 bottom is connected with discharge channel 201, and discharge channel 201 below is fixed with the broken room 202 being communicated with dustproof box 4, and broken room 202 is equipped with broken roll 3 in, sand casting conveyor belt 12 is located below broken room 202, sand casting conveyor belt 12 both sides are equipped with the guide frame 1201 being fixed with dustproof box 4 bolt, this structure can directly fall into dustproof box 4 by the sand casting of broken room 202 broken, and in the process that sand reaches sand casting conveyor belt 12, by second discharge pipe 1101, the lighter impurities are removed, guide frame 1201 is used to prevent the leakage of sand casting, dustproof box 4 side is equipped with the discharge channel 403 corresponding with the position of sand casting conveyor belt 12, and dustproof box 4 is placed with impurity collection bag 5 in the side of sand casting conveyor belt 12, this structure can collect the impurities removed by impurity collection bag 5, sand casting conveyor belt 12 is discharged by discharge channel 403 to make the sand casting of recycling to carry out subsequent processing, so as to carry out the recycling use of sand casting, reach the purpose of green environmental protection, dustproof box 4 side top is fixed with first negative pressure fan 9 and second negative pressure fan 11 by frame structure, and the exhaust end of first negative pressure fan 9 and second negative pressure fan 11 is respectively communicated with first discharge pipe 901 and second discharge pipe 1101, and first discharge pipe 901 and second discharge pipe 1101 are respectively communicated with discharge channel 201 and dustproof box 4, discharge channel 201 is vertically arranged, and first discharge pipe 901 is obliquely inserted in discharge channel 201, this structure can suck the sand casting in sand casting collecting cover 7 into discharge channel 201 by the negative pressure suction of first negative pressure fan 9, sand casting collecting cover 7 is used for the suction of fine sand casting, can effectively avoid the problem of blockage, large sand casting is poured into feed hopper 2 after collection, directly enters broken room 202 through discharge channel 201, sand drop recovery device main body 1 is equipped with sand casting collecting cover 7 in the side of cast iron mould 6, and horizontal electric push-pull rod 10 is still screwed and fixed on the frame structure of dustproof box 4 side top, and electric push-pull rod 10 movable end is screwed and fixed with sand casting collecting cover 7, this structure electric push-pull rod 10 is existing electric push rod structure, sand casting collecting cover 7 is driven to move linearly by electric push-pull rod 10, let sand casting collecting cover 7 carry out convenient collection processing to the fine sand casting inconveniently collected and left in cast iron mould 6, the length of sand casting collecting cover 7 and the telescopic distance of electric push-pull rod 10 are set according to the size of cast iron mould 6,And the bottom of the casting sand collecting cover 7 is symmetrically clamped with a cleaning brush 701, which is used to assist the collection and processing of the casting sand.

[0018] Working principle: when using the environment-friendly sand shakeout and recycling device of the cast iron mold, first, the cast iron mold 6 is collected after demolding, and the large pieces of casting sand are poured into the feeding hopper 2, the large pieces of casting sand enter the crushing chamber 202 through the discharge channel 201, and are crushed under the action of the crushing roller 3, then the casting sand falls into the dustproof box 4, the second negative pressure fan 11 makes high pressure gas blow into the dustproof box 4 through the second discharge pipe 1101, and the casting sand is air separated, the impurities removed by air separation fall into the impurity collecting bag 5, and the casting sand falls on the casting sand conveying belt 12 under the limiting of the guide frame 1201, after the collection of large pieces of casting sand is completed, the electric push-pull rod 10 is started, the electric push-pull rod 10 moves the casting sand collecting cover 7 to the cast iron mold 6, the telescopic connecting pipe 8 assists the movement of the casting sand collecting cover 7, the first negative pressure fan 9 efficiently sucks the fine casting sand through the casting sand collecting cover 7, the cleaning brush 701 assists the casting sand collecting cover 7 to collect the casting sand, the connecting hole seat 702 is used for the communication of the casting sand collecting cover 7 and the telescopic connecting pipe 8, the fine casting sand sucked by the first negative pressure fan 9 is introduced into the discharge channel 201 through the first discharge pipe 901, then the fine casting sand is processed together with the large pieces of casting sand, the casting sand conveying belt 12 is communicated to the outside through the discharge channel 403, and the collected casting sand is conveyed, the gas in the dustproof box 4 is discharged through the air permeable filter screen 402, the movable door plate 401 is easy to take the impurity collecting bag 5, the main body 1 of the sand shakeout and recycling device realizes efficient recycling of the casting sand, and a series of work is completed.

[0019] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. An environmentally friendly shakeout and recycling device for a cast iron mold, comprising a shakeout and recycling device main body (1) and a cast iron mold (6), characterized in that: The bottom of the sand drop recovery device body (1) is provided with a dustproof box (4), the dustproof box (4) is provided with a feeding hopper (2) above, and the dustproof box (4) is provided with a sand casting conveying belt (12) installed therein, the bottom of the feeding hopper (2) is connected with a discharging channel (201), a crushing chamber (202) communicated with the dustproof box (4) is fixed below the discharging channel (201), and the crushing chamber (202) is provided with a crushing roller (3) installed therein, the first side of the dustproof box (4) is fixed with a first negative pressure fan (9) and a second negative pressure fan (11) through a frame structure above, the exhaust ends of the first negative pressure fan (9) and the second negative pressure fan (11) are respectively communicated with a first discharging pipe (901) and a second discharging pipe (1101), and the first discharging pipe (901) and the second discharging pipe (1101) are respectively communicated with the discharging channel (201) and the dustproof box (4), the sand drop recovery device body (1) is provided with a sand casting collecting cover (7) on the side of the cast iron mold (6), and the bottom of the sand casting collecting cover (7) is symmetrically connected with a cleaning brush (701), the upper end of the sand casting collecting cover (7) is uniformly and interval fixed with a connecting hole seat (702), and the connecting hole seat (702) is connected with an elastic connecting pipe (8) at the air inlet end of the first negative pressure fan (9).

2. The environment-friendly shakeout and sand recycling device for cast iron mold according to claim 1, characterized in that: The discharging channel (201) is vertically arranged, and the first discharging pipe (901) is obliquely inserted into the discharging channel (201).

3. The environment-friendly shakeout and sand recycling device for cast iron mold according to claim 1, characterized in that: The frame structure on the side of the dustproof box (4) is further provided with a horizontally arranged electric push-pull rod (10) screwed and fixed thereon, and the movable end of the electric push-pull rod (10) is screwed and fixed with the sand casting collecting cover (7).

4. The environment-friendly shakeout and sand recycling device for cast iron mold according to claim 1, characterized in that: The side of the dustproof box (4) away from the second discharging pipe (1101) is hingedly fixed with a movable door plate (401), and the movable door plate (401) is sealingly provided with a breathable filter screen (402).

5. The environment-friendly shakeout and sand recycling device for cast iron mold according to claim 1, characterized in that: The sand casting conveying belt (12) is located below the crushing chamber (202), and the sand casting conveying belt (12) is provided with a guide frame (1201) bolted with the dustproof box (4) on both sides.

6. The environmentally friendly shakeout and sand recycling device for cast iron molds according to claim 5, characterized in that: The side of the dustproof box (4) is provided with a discharging channel (403) corresponding to the position of the sand casting conveying belt (12), and the dustproof box (4) is provided with an impurity collecting bag (5) placed on the side of the sand casting conveying belt (12).

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