CN114309576A - Automatic production line for high-horsepower V-shaped diesel engine cylinder body castings - Google Patents

Abstract

The invention discloses an automatic production line for a high-horsepower V-shaped diesel engine cylinder body casting, which belongs to the technical field of casting and comprises a molding work part, a core making work part, a box assembling work part, a pouring and cooling work part and a shakeout work part, wherein the molding work part is used for preparing an upper model and a lower model, the core making work part is used for preparing a mold core, the box assembling work part is used for installing and assembling the mold core, a middle box and the upper model and the lower model, the pouring and cooling work part is used for pouring and cooling the casting, and the shakeout work part is used for taking out the demolded casting. According to the invention, each work part is integrated on one production line, continuous and stable production of castings is realized through circulation inside each work part and external connection turnover, the intensity of manual operation is greatly reduced, the production efficiency is improved, meanwhile, an automatic production line also avoids uncertain factors brought by personnel, the risk of quality defect generation is reduced, and the precision and stability of sand molds, sand cores and box assembling are improved.

Description

Automatic production line for high-horsepower V-shaped diesel engine cylinder body castings

Technical Field

The invention relates to the technical field of casting, in particular to an automatic production line for high-horsepower V-shaped diesel engine cylinder body castings.

Background

At present, domestic small-sized automobile cylinder body castings can be produced by adopting an automatic production line and can realize mass production, but the production line is only suitable for small-sized castings, and meanwhile, the production line has limitation on casting process methods. According to investigation, no factory for producing 1-5 ton high-horsepower diesel engine cylinder bodies by using resin sand is available in China. With the development of enterprises and the demand of market economy, people have stronger and stronger demand on high-horsepower diesel engines, but at present, the casting process of the cylinder body of a medium-large diesel engine is operated in a mode of taking manpower as a main machine as an auxiliary machine, and the operation flow is generally as follows: manually placing the mold and the chilling block; and manually adjusting the proportion of the resin and the curing agent according to the sand temperature, starting a sand mixer to mix the mold and the core sand, manually compacting after filling the sand, manually brushing the coating after the sand mold is cured, and manually completing core assembly, box closing, pouring, box opening and the like by a traveling crane in an auxiliary manner. The mode has the problems of low working efficiency, poor product quality, high working time and cost, incapability of ensuring safety, incapability of effectively collecting and processing smoke dust due to overlarge occupied area and the like.

Disclosure of Invention

In order to overcome the defects in the casting process of the cylinder body of the conventional high-horsepower V-shaped diesel engine, the invention aims to solve the technical problems that: the automatic production line for the high-horsepower V-shaped diesel engine cylinder body casting can improve the manufacturing efficiency and reduce the production cost.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the automatic production line for the high-horsepower V-shaped diesel engine cylinder body castings comprises a molding work part, a core making work part, a box closing work part, a pouring and cooling work part and a shakeout work part;

the molding tool part comprises three molding lines arranged in parallel and molding machines arranged along the molding lines, and the head ends and the tail ends of the three molding lines are respectively connected through a first roller way and a second roller way to form an S-shaped production line;

the core making part comprises a core making wire and a core sending wire which are arranged in parallel, a core making machine is arranged on the core making wire, a sand core storage warehouse is arranged between the tail part of the core making wire and the head part of the core sending wire, and the tail part of the core sending wire is connected with the head part of the core making wire through a third roller way;

the box combination working part comprises a lower core working position line and a box combination working position line which are arranged in parallel, and a lower core machine tool and a box combination machine tool which are respectively arranged on the lower core working position line and the box combination working position line, wherein the lower core working position line is parallel to the core feeding line, the lower core machine tool is positioned between the lower core working position line and the core feeding line, the head of the lower core working position line is aligned and connected with the tail of the molding working position production line, and the tail of the lower core working position line is connected with the head of the box combination working position line through a fourth roller way;

the pouring and cooling working part comprises a pouring line, a cache line and a cooling line which are arranged in parallel, a pouring platform is arranged in a region close to the tail part of the pouring line, the head parts of the pouring line and the cache line are connected with the tail part of the box closing working line through a fifth roller way, the tail parts of the pouring line and the cache line are connected with the head part of the cooling line through a sixth roller way, and the tail part of the cooling line is connected with the fifth roller way;

the shakeout work part comprises a shakeout machine tool and a transfer machine tool which are arranged on one side, opposite to the tail part of the cooling line, of the fifth roller way.

Furthermore, three molding lines of the molding tool part sequentially correspond to a molding station, a molding and surface drying station and a drying station, the molding machine comprises a molding base plate, a jolt ramming platform located at the molding station, a sand mixer located between the molding station and the molding and surface drying station, a turnover molding machine located at the molding and surface drying station, and a flow coating machine and a surface drying furnace located at the drying station.

Further, still be equipped with the template between molding worker portion and the shakeout worker portion and transport the roll table, the head that the roll table was transported to the template is located the side of fifth roll table, and the afterbody is located the upset draw machine side of molding worker portion, the upset draw machine side still is equipped with the template preparation district that the seventh roll table accesss to the molding station.

Further, the core making machine tool of the core making part comprises a cold core box core making machine, a dip-coating robot, a sand mixer, a plain jolter and a sand core surface drying furnace which are sequentially arranged on the core making wire, and a standby sand core repository is further arranged beside the three-dimensional sand core repository.

Further, the core setting machine of the box assembling work part comprises a cantilever crane, and the box assembling machine comprises a middle box plate, a sand mixer, a chain type box assembling machine and a pouring basin.

Furthermore, a middle box returning line is arranged beside the box assembling station line in parallel, the head of the middle box returning line is positioned in the area of the shakeout station part, and the tail of the middle box returning line is positioned beside the box sleeving station of the box assembling station.

Further, the casting platform side of pouring and cooling worker portion is equipped with electric stove melting system and pouring ladle transfer system, the buffer memory line of pouring and cooling worker portion is the inert roller way line that can two-way operation, the cooling line includes three at least cooling roller way lines.

Further, shakeout machines of shakeout worker portion include shakeout machine, bucket elevator, band conveyer, breaker, sand temperature regulator, sand regenerating machine and sand storehouse, the machines of transporting includes that the foundry goods carries flatcar and AGV dolly, and the operation route of AGV dolly is for preparing the station from the regional template of shakeout worker portion to molding worker portion.

Further, still include environmental protection dust pelletizing system, environmental protection dust pelletizing system is including setting gradually pouring zone dust pelletizing system, cooling zone dust pelletizing system and the VOC processing apparatus in being close to the outside of cooling line outer wall to and be located the peripheral outside regeneration dust collector and the reclaimed water system of knockout portion.

Furthermore, electrical equipment in the modeling work part, the core making work part, the box closing work part, the pouring and cooling work part and the shakeout work part are all provided with a PLC control system, all unit points and positions of the system are connected into an MES system through a unified communication protocol, and the MES system controls the electrical switches of all independent equipment facilities to realize the automatic and digital control of the whole production line.

The invention has the beneficial effects that: by integrating all the working parts for producing the high-horsepower V-shaped diesel engine cylinder body casting into one production line, the manual operation intensity is greatly reduced, the production efficiency is improved, compared with the original manual operation, only 6 diesel engine cylinder bodies can be combined in 8 hours per shift, but the application of the automatic production line can realize the quantity and energy of 30-32 pieces in each shift, the efficiency is improved by 400 percent compared with the original efficiency, meanwhile, the automatic production line also avoids uncertain factors brought by personnel, the risk of quality defects is reduced, and the precision and the stability of sand molds, sand cores and combined boxes are improved.

Drawings

FIG. 1 is a schematic layout of the entire production line of the present invention.

Marked in the figure as 1-a molding work part, 11-a molding line, 12-a first roller way, 13-a second roller way, 14-a plain jolter, 15-a sand mixer, 16-a turnover mold lifter, 17-a flow coating machine, 18-a drying furnace, 19-a seventh roller way, 2-a core making work part, 21-a core making line, 22-a core sending line, 23-a core storage warehouse, 24-a third roller way, 25-a cold core box core making machine, 26-a dip coating robot, 27-a core drying furnace, 28-a standby core storage warehouse, 3-a box combining work part, 31-a core unloading work line, 32-a box combining work line, 33-a fourth roller way, 34-a cantilever crane, 35-a chain box combining machine, 36-a middle box returning line, 4-a pouring and cooling work part, 41-a pouring line, 42-a cache line, 43-a cooling line, 44-a pouring platform, 45-a fifth roller way, 46-a sixth roller way, 47-an electric furnace smelting system, 48-a steel ladle transfer system, 5-a shakeout work part, 51-a shakeout machine, 52-a sand regenerator, 53-a casting conveying flat car, 54-an AGV trolley, 6-a template transfer roller way, 71-a pouring section dust removal system, 72-a cooling section dust removal system, 73-a VOC treatment device, 74-a regeneration dust removal device and 75-a regeneration water system.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

As shown in fig. 1, the automatic production line for high-horsepower V-shaped diesel engine cylinder body castings comprises a molding work part 1, a core making work part 2, a box closing work part 3, a pouring and cooling work part 4 and a shakeout work part 5;

the molding part 1 comprises three molding lines 11 arranged in parallel and molding machines arranged along the molding lines, and the head ends and the tail ends of the three molding lines 11 are respectively connected through a first roller way 12 and a second roller way 13 to form an S-shaped production line;

the core making work part 2 comprises a core making wire 21 and a core sending wire 22 which are arranged in parallel, a core making machine is arranged on the core making wire 21, a sand core storage warehouse 23 is arranged between the tail part of the core making wire 21 and the head part of the core sending wire 22, and the tail part of the core sending wire 22 is connected with the head part of the core making wire 21 through a third roller way 24;

the box combination working part 3 comprises a lower core working position line 31 and a box combination working position line 32 which are arranged in parallel, and a lower core tool and a box combination tool which are respectively arranged on the lower core working position line 31 and the box combination working position line 32, wherein the lower core working position line 31 is parallel to the core feeding line 22, the lower core tool is positioned between the lower core working position line 31 and the core feeding line 22, the head of the lower core working position line 31 is aligned and connected with the tail of the production line of the modeling working part 1, and the tail of the lower core working position line 31 is connected with the head of the box combination working position line 32 through a fourth roller table 33;

the pouring and cooling work part 4 comprises a pouring line 41, a cache line 42 and a cooling line 43 which are arranged in parallel, a pouring platform 44 is arranged in a region close to the tail part of the pouring line 41, the head parts of the pouring line 41 and the cache line 42 are connected with the tail part of the box closing work line 32 through a fifth roller way 45, the tail parts of the pouring line 41 and the cache line 42 are connected with the head part of the cooling line 43 through a sixth roller way 46, and the tail part of the cooling line 43 is connected with the fifth roller way 45;

the shakeout work part 5 comprises a shakeout machine tool and a transfer machine tool which are arranged on one side of the fifth roller way 45 opposite to the tail part of the cooling line 43.

In particular, the method comprises the following steps of,

the three molding lines 11 of the molding machine part 1 sequentially correspond to a molding station, a modification and surface drying station and a drying station, and the molding machine comprises a molding base plate, a jolt table 14 located at the molding station, a sand mixer 15 located between the molding station and the modification and surface drying station, an overturning and mold drawing machine 16 located at the modification and surface drying station, a flow coating machine 17 located at the drying station and a surface drying furnace 18.

The core making machine tool of the core making part 2 comprises a cold core box core making machine 25, a dip-coating robot 26, a sand mixer, a plain bumper and a sand core surface drying furnace 27 which are sequentially arranged on a core making wire 21, and a standby sand core repository 28 is further arranged beside the sand core repository 23.

The core setting machine of the mould assembling work part 3 comprises a cantilever crane 34, and the mould assembling machine comprises a middle box plate, a sand mixer, a chain type mould assembling machine 35 and a pouring basin.

Shakeout machines of shakeout worker portion 5 include shakeout machine 51, bucket elevator, band conveyer, breaker, sand temperature regulator, sand regenerating machine 52 and sand storehouse, the machines of transporting include that the foundry goods carries flatcar 53 and AGV dolly 54, and the operation route of AGV dolly 54 is for preparing the station from the 5 regional templates of shakeout worker portion to molding worker portion 1.

The operation process of the whole production line is as follows:

1. modeling: firstly, a mould is arranged on a moulding bottom plate in a mould plate preparation area, then the moulding bottom plate is sent to a sand mixer station, furan resin sand is filled, and finally a plain jolter 14 is started to complete sand mould manufacturing. The manufactured sand mold is continuously sent to a turnover stripping machine 16 through a transfer trolley and a ring line on a first roller table 12 to realize the separation of the outer mold sand box and the molding bottom plate. And the external mold after turning, parting and stripping is placed on a casting bottom plate and is sent to a shaping station and a pre-surface drying station, and then the external mold is sent to a flow coating machine 17 through a running trolley on a second roller table 13, so that the external mold surface flow coating process is completed. And finally, the outer mold enters a surface drying furnace 18 for sand mold drying to finish the molding of the whole outer mold. The upper and lower box models are manufactured intermittently during manufacture, namely an upper box model is manufactured and then a lower box model is manufactured.

2. Core making: the core box mold is fixed on a cold core box core shooter 25 in advance, the core making machine automatically shoots resin sand to fill the core box, and triethylamine is blown in for solidification to complete the core making work. The sand core is transported to a core making line through a motorized roller way and a removing station. The quality of the sand core is checked on the core making line through a cold core checking station, then the cold core checking station is transferred to the next station, and the automatic dip coating is completed by a dip coating robot 26. After the dip-coating robot finishes dip-coating, the coatings such as flow marks, accumulation and the like on the surface of the sand core are manually cleaned, and finally the sand core enters a sand core surface drying furnace 27 for drying. The dried sand core is conveyed to a three-dimensional sand core storage warehouse 23 through a transfer trolley for storage. The sand core to be used is sent out through the roller way on the core sending wire 22 for the next working procedure.

3. Assembling the box: the rotary transfer cart on the lower core station line 31 receives the outer mold sand mold transferred from the cooling station of the molding section 1, and completes the core-setting operation on the lower core station line 31 about 40 meters long. The concrete process is that the suspending arm 34 suspends and assembles the sand core on the core-feeding line 22 in the lower box sand mould. After the core feeding is finished, the core is conveyed to a middle box sleeving station by a transfer trolley on the fourth roller table 33, the middle box sleeving is finished at the position, and then resin sand is filled into the middle box to finish the sand filling work of the middle box. Then, the next station completes the upper box assembling process, the installation of the pouring basin and the box locking process through the chain type box assembling machine 35. And finally sent to a fifth roller table 45 by a roller conveyor.

4. Pouring and cooling: the sand mold after box closing is transferred to a pouring line 41 through a hydraulic pushing trolley on a fifth roller table 45 and reaches a pouring station to finish pouring of molten iron. The poured product is sent to the cooling line 43 in sequence by the hydraulic push trolley on the sixth roller way 46 for cooling. And the cooled sand box is conveyed to a station to be unpacked of the shakeout work part 5 by the hydraulic pushing trolley on the fifth roller table 45. Under the condition that the furnace is not opened, the hydraulic pushing trolley on the fifth roller table 45 can firstly send the sand molds after being combined to the cache line 42 for storage, and if the storage station is not enough, the hydraulic pushing trolley on the sixth roller table 46 can firstly send the sand molds which are firstly stored on the cache line 42 to the cooling line 43 for storage.

5. A shakeout treatment system: and after the time set by the cooling process is reached, the sand box with the castings is hoisted to the shakeout machine by the travelling crane to be unpacked, the castings are taken out and are conveyed to the casting conveying flat car 53, and the castings are conveyed to the original polishing and cleaning workshop by the casting conveying flat car 53. And starting the shakeout machine 51 to perform shakeout treatment on the sand mold to separate the sand box from the resin sand block, crushing the resin sand block by using a crusher, and conveying the resin sand block to a sand regenerator 52 by using a bucket elevator, a conveyor and other equipment to complete the regeneration and recycling of the resin sand. And the regenerated resin sand is stored in a regenerated sand warehouse and is sent to each sand mixer point in a workshop by pneumatic equipment and a conveying pipeline for recycling. The cope flask and the drag flask which are opened in the sand processing area are automatically moved to the flask storage station in the molding area by the AGV cart 54 and automatically stored for standby.

At the molding worker portion 1, the mould machine 16 needs to overturn the external mold from the molding bottom plate to the pouring bottom plate on, in order to realize the recycling of pouring bottom plate in the production line, still be equipped with the template between molding worker portion and the shakeout worker portion and transport roll table 6, the head that roll table 6 was transported to the template is located the side of fifth roll table 45, and the afterbody is located the 16 sides of the mould machine of overturning of molding worker portion 1, and the pouring bottom plate after the shakeout worker portion 5 accomplished the sand and handled transports roll table 6 through the template and returns to the molding station and carries out the molding preparation work. In order to avoid influencing other roller ways, the template transfer roller way 6 can adopt the structural form of an underground tunnel. In addition, in order to facilitate the recycling of the molding base plate, a seventh roller table 19 leading to a template preparation area of the molding station 1 is arranged beside the overturning and molding machine 16.

Similarly, in order to realize the recycling of the middle boxes, a middle box returning line 36 is arranged beside the box assembling station line 32 in parallel, the head of the middle box returning line 36 is positioned in the area of the shakeout station 5, and the tail of the middle box returning line is positioned beside the box sleeving station of the box assembling station.

For the casting and cooling section 4, the following preferred solutions are provided: in order to facilitate the pouring operation of the pouring station, an electric furnace smelting system 47 and a pouring ladle transfer system 48 are arranged beside the pouring platform 44 of the pouring and cooling work part 4. To facilitate the sand mold transfer on the buffer line 42, the buffer line 42 of the pouring and cooling section 4 is an inert roller line that can be operated in both directions. In order to be able to store more sand moulds to be poured and to facilitate the cooling of the castings, said cooling line 43 comprises at least three cooling roller lines.

Further, considering the environmental protection requirement of the production site, the environmental protection dust removal system is further arranged in the application, and comprises a pouring section dust removal system 71, a cooling section dust removal system 72 and a VOC treatment device 73 which are sequentially arranged outside the outer wall of the cooling line, and a regeneration dust removal device 74 and a regeneration water system 75 which are arranged outside the periphery of the shakeout work part 5.

In order to realize the automatic production of the whole production line, electrical equipment in the modeling work part 1, the core making work part 2, the box closing work part 3, the pouring and cooling work part 4 and the shakeout work part 5 are all provided with a PLC control system, all unit points and positions of the system are connected into an MES system through a unified communication protocol, and the MES system controls the electrical switch of each independent equipment facility to realize the automatic and digital control of the whole production line.

The present invention is further illustrated by the following specific examples.

The first embodiment is as follows:

according to the invention, the automatic production line for casting the cylinder body of the American medium-sized diesel engine comprises the following steps:

the method comprises the following steps: manufacturing an upper die and a lower die: fixing the upper die and the lower die of the diesel engine cylinder body on a molding bottom plate in a template preparation area, sleeving a 2800 x 1500 x 500 sand box, adjusting the proportion of resin and curing agent in a sand mixer, wherein the proportion of the resin is 1-1.2% of the addition of the sand, the proportion of the curing agent is 35-50% of the addition of the resin, starting the sand mixer, automatically mixing the sand by the sand mixer, filling molding sand into the sand box, and starting a jolt ramming table to tamp the sand mold. And after the sand mold is solidified, conveying the sand mold to a turnover stripping machine to realize separation of an outer mold sand box and a molding bottom plate, turning the sand mold outer mold onto a pouring bottom plate, conveying the sand mold outer mold to a shaping station to remove burrs and burrs of the sand mold, extending the sand mold outer mold to a pre-surfacing station, returning the molding bottom plate to a template preparation area along with an operation trolley on a seventh roller way to be recycled, and continuously finishing outer mold sand mold flow coating and drying through a transfer trolley by the outer mold.

Step two: core making: the core making process can be carried out simultaneously with the molding process, the core box mold is fixed on a core shooting machine in advance, the core shooting machine automatically shoots resin sand to fill the core box, and triethylamine is blown in for solidification to complete the core making work. The sand core is transported to a sand core transfer line through a motorized roller way, the quality of the sand core is checked, the sand core is transported to a dip-coating station by a transfer trolley, and automatic dip-coating is completed by a robot. And after the dip coating of the robot is finished, the robot enters a sand core surface drying furnace for drying. And the dried sand core is conveyed to a sand core storage warehouse through a transfer trolley for storage.

Step three: lower core mould assembling: the outer mold is conveyed to a mold assembling working part through a transfer trolley, the sand cores are hoisted to a mold assembling station through a cantilever crane, and the sand cores are sequentially assembled in a lower-box sand mold according to process files. And after the core is lowered, the lower box continues to circulate, and the sand filling operation is completed at the box-in-box position and is waited for solidification. And the motorized roller way continues to move to the box closing machine to complete the box closing work of the upper box. And the manual operation cantilever crane finishes the operation of feeding the pouring basin and locking the box. And the hydraulic pushing trolley transfers the sand mold flow after the mold closing to a casting work part for casting.

Step four: smelting, pouring and cooling: smelting molten iron by adopting 2 10-ton induction smelting furnaces, finishing inoculation and spheroidization in front of the furnaces, hoisting the molten iron to a pouring work part in a travelling crane hoisting mode, and pouring the sand mold of a closed box. And the poured products are sequentially sent to a cooling line by a hydraulic pushing trolley. And (4) conveying the cooled sand box hydraulic pushing trolley to a station to be unpacked, and conveying the pouring bottom plate to a molding work part through a template transfer roller way for circulation.

Step five: after the castings reach the cooling process time, the sand boxes with the castings are hoisted to a shakeout machine by a travelling crane to be unpacked, the castings are taken out and conveyed to a conveying flat car, and the castings are transferred to an original polishing and cleaning workshop by the flat car. And starting a shakeout machine to perform shakeout treatment on the sand mold to separate the sand box from the resin sand block, automatically operating the sand box to a sand box storage station of the molding area by an AGV trolley, and automatically storing the sand box for standby, crushing the resin sand block by a crusher, and conveying the crushed resin sand block to a sand regeneration system by a bucket elevator, a conveyor and other equipment to complete regeneration and cyclic utilization of the resin sand. And the regenerated resin sand is stored in a regenerated sand warehouse and is sent to each sand mixer point in a workshop by pneumatic equipment and a conveying pipeline for recycling. In the shakeout process, the generated smoke and dust can be treated by the dust removing equipment and the cooling water circulation system which are arranged outside the wall of the workshop, and the requirement of environmental protection is fully met.

According to the invention, each working part for producing the high-horsepower V-shaped diesel engine cylinder body casting is integrated into one production line, so that the manual operation intensity is greatly reduced, the production efficiency is improved, compared with the original manual operation, only 6 diesel engine cylinder bodies can be combined in 8 hours per shift, but the application of the automatic production line can realize the quantity and energy of 30-32 diesel engine cylinders per shift, the efficiency is improved by 400% compared with the original efficiency, meanwhile, the automatic production line also avoids uncertain factors brought by personnel, the risk of quality defects is reduced, and the precision and stability of sand molds, sand cores and combined boxes are improved. Has good practicability and application prospect, and lays a solid foundation for producing related types and weights of parts in China.

Claims (10)

1. High horse power V type diesel engine cylinder body foundry goods automation line, characterized by: comprises a molding work part (1), a core making work part (2), a box closing work part (3), a pouring and cooling work part (4) and a shakeout work part (5);

the modeling work part (1) comprises three parallel modeling lines (11) and modeling machines arranged along the modeling lines, and the head ends and the tail ends of the three modeling lines (11) are respectively connected through a first roller way (12) and a second roller way (13) to form an S-shaped production line;

the core making part (2) comprises core making wires (21) and core sending wires (22) which are arranged in parallel, a core making machine is arranged on the core making wires (21), a three-dimensional sand core storage warehouse (23) is arranged between the tail of the core making wires (21) and the head of the core sending wires (22), and the tail of the core sending wires (22) is connected with the head of the core making wires (21) through a third roller way (24);

the box combination working part (3) comprises a lower core working line (31) and a box combination working line (32) which are arranged in parallel, and a lower core tool and a box combination tool which are respectively arranged on the lower core working line (31) and the box combination working line (32), wherein the lower core working line (31) is parallel to the core conveying line (22), the lower core tool is positioned between the lower core working line (31) and the core conveying line (22), the head of the lower core working line (31) is aligned and connected with the tail of the molding working part production line, and the tail of the lower core working line (31) is connected with the head of the box combination working line (32) through a fourth roller table (33);

the pouring and cooling work part (4) comprises a pouring line (41), a cache line (42) and a cooling line (43) which are arranged in parallel, a pouring platform (44) is arranged in a region close to the tail of the pouring line (41), the heads of the pouring line (41) and the cache line (42) are connected with the tail of the box-closing work line (32) through a fifth roller way (45), the tails of the pouring line (41) and the cache line (42) are connected with the head of the cooling line (43) through a sixth roller way (46), and the tail of the cooling line (43) is connected with the fifth roller way (45);

the shakeout work part (5) comprises a shakeout machine tool and a transfer machine tool which are arranged on one side of the fifth roller way (45) opposite to the tail part of the cooling line (43).

2. The automatic production line of high-horsepower V-type diesel cylinder block castings according to claim 1, wherein: three molding lines (11) of molding tool portion (1) correspond molding station, repair type and surface in proper order and dry station and stoving station, molding machine includes the molding bottom plate and is located the plain jolter (14) of molding station, is located molding station and repair type and the sand mixer (15) between the surface station, is located the upset pattern stripping machine (16) between repair type and the surface station to and be located flow coating machine (17) and the final surface dry furnace (18) before the stoving station.

3. The automatic production line of high-horsepower V-type diesel cylinder block castings according to claim 2, wherein: still be equipped with the template between molding worker portion (1) and shakeout worker portion (5) and transport roll table (6), the head that roll table (6) was transported to the template is located the side of fifth roll table (45), and the afterbody is located the upset of molding worker portion (1) and plays mould machine (16) side, upset play mould machine (16) side still is equipped with seventh roll table (19) and leads to the template preparation district of molding station.

4. The automatic production line of high-horsepower V-type diesel cylinder block castings according to claim 1, wherein: the core making machine tool of the core making tool part (2) comprises a cold box core making machine (25), a dip-coating robot (26), a sand mixer, a plain jolter and a sand core surface drying furnace (27) which are sequentially arranged on a core making wire (21), and a standby sand core repository (28) is further arranged on the side of the three-dimensional sand core repository (23).

5. The automatic production line of high-horsepower V-type diesel cylinder block castings according to claim 1, wherein: the core setting machine of the box assembling work part (3) comprises a cantilever crane (34), and the box assembling machine comprises a middle box plate, a sand mixer, a chain type box assembling machine (35) and a pouring basin.

6. The automatic production line of high-horsepower V-type diesel cylinder block castings according to claim 5, wherein: a middle box returning line (36) is arranged beside the box assembling station line (32) in parallel, the head of the middle box returning line (36) is positioned in the area of the shakeout station part (5), and the tail of the middle box returning line is positioned beside the middle box sleeving station of the box assembling station.

7. The automatic production line of high-horsepower V-type diesel cylinder block castings according to claim 1, wherein: pouring platform (44) side of pouring and cooling worker portion (4) is equipped with electric stove melting system (47) and pouring ladle transfer system (48), the buffer memory line (42) of pouring and cooling worker portion (4) are the inert roller way line that can two-way operation, cooling line (43) include three at least cooling roller way lines.

8. The automatic production line of high-horsepower V-type diesel cylinder block castings according to claim 1, wherein: shakeout machines of shakeout worker portion (5) include shakeout machine (51), bucket elevator, band conveyer, breaker, sand temperature regulator, sand regenerating machine (52) and sand storehouse, the machines of transporting includes that the foundry goods carries flatcar (53) and AGV dolly (54), and the operation route of AGV dolly (54) is for preparing the station from shakeout worker portion (5) to the template of molding worker portion (1).

9. The automatic production line of high-horsepower V-type diesel cylinder block castings according to claim 1, wherein: the environment-friendly dedusting system comprises a pouring section dedusting system (71), a cooling section dedusting system (72), a VOC (volatile organic compound) processing device (73), a regeneration dedusting device (74) and a reclaimed water system (75), wherein the pouring section dedusting system, the cooling section dedusting system and the VOC processing device are sequentially arranged outside the outer wall of the cooling line, and the regeneration dedusting device and the reclaimed water system are positioned outside the periphery of the shakeout work part.

10. The automatic production line of high-horsepower V-type diesel cylinder block castings according to any one of claims 1 to 8, wherein: the electrical equipment in the modeling work part (1), the core making work part (2), the box closing work part (3), the pouring and cooling work part (4) and the shakeout work part (5) is provided with a PLC control system, each unit point and position of the system are connected into an MES system through a unified communication protocol, and the MES system controls the electrical switch of each independent equipment facility to realize the automatic and digital control of the whole production line.

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