Automatic sand feeding system for sand mold casting
阅读说明:本技术 砂模浇铸自动送砂系统 (Automatic sand feeding system for sand mold casting ) 是由 杨金华 于 2019-10-18 设计创作,主要内容包括:本发明公开了一种砂模浇铸自动送砂系统,包括砂模制作模块和砂模推车输送线,对应砂模制作模块和砂模推车输送线的输出端设置有上下模装置,上下模装置的输出端衔接有上料传输模块,沿上料传输模块的传输方向设置有浇铸区,靠近浇铸区还设置有下料传输模块,下料传输模块的输出端设置有的分离模块,对应分离模块设置有砂料回收线,沿砂料回收线的传输方向依次设置有磁选模块、除尘模块、研磨混合模块和砂料疏松模块,且砂料回收线的输出端衔接在砂模制作模块的上料口上。本发明的目的在于提供一种自动化程度更高,操作更加方便,并且再生砂质量更高,保证了浇铸出来的铸件品质更高,同时节约了企业采购新砂成本的砂模浇铸自动送砂系统。(The invention discloses an automatic sand feeding system for sand mold casting, which comprises a sand mold manufacturing module and a sand mold trolley conveying line, wherein a mold loading and unloading device is arranged corresponding to the output ends of the sand mold manufacturing module and the sand mold trolley conveying line, the output end of the mold loading and unloading device is connected with a material loading and conveying module, a casting area is arranged along the conveying direction of the material loading and conveying module, a material unloading and conveying module is further arranged close to the casting area, a separation module is arranged at the output end of the material unloading and conveying module, a sand material recovery line is arranged corresponding to the separation module, a magnetic separation module, a dust removal module, a grinding and mixing module and a sand material loosening module are sequentially arranged along the conveying direction of the sand material recovery line, and the output end of the sand material recovery line is connected to a material loading. The invention aims to provide the automatic sand conveying system for the sand mold casting, which has higher automation degree, more convenient operation and higher quality of reclaimed sand, ensures higher quality of cast castings and saves the new sand purchasing cost of enterprises.)
1. The automatic sand conveying system for sand mold casting is characterized by comprising a sand mold manufacturing module and a sand mold trolley conveying line, wherein a mold loading and unloading device is arranged at the output end of the sand mold manufacturing module and the sand mold trolley conveying line in a corresponding mode, manufactured sand molds are placed on the sand mold trolley through the mold loading and unloading device in a one-to-one correspondence mode, the output end of the mold loading and unloading device is connected with a material loading conveying module, a casting area is arranged along the conveying direction of the material loading conveying module, the sand mold trolleys loaded with the sand molds are uniformly distributed in the casting area through the material loading conveying module, a discharging conveying module used for separating the sand mold trolleys and the sand molds is further arranged close to the casting area, a separating module used for separating formed metal castings and sand molds is arranged at the output end of the discharging conveying module, a sand material recycling line is arranged corresponding to the separating module, and a magnetic separation module is sequentially arranged along the conveying direction of the sand material recycling line, The sand mould comprises a dust removal module, a grinding and mixing module and a sand material loosening module, wherein the output end of a sand material recovery line is connected to the feeding port of the sand mould manufacturing module.
2. The automatic sand conveying system according to claim 1, wherein the upper and lower mold devices comprise a portal frame, a moving frame is slidably disposed on a frame body of the portal frame along a vertical direction, a lifting device is vertically disposed on the top of the portal frame and faces downward, a telescopic rod of the lifting device is connected with an upper end of the moving frame, a cart carrying platform is horizontally disposed at a lower end of the moving frame, a transition track is disposed on the cart carrying platform, the sand mold cart conveying line is disposed at a side edge of a first height of the portal frame, a discharging port of the sand mold manufacturing module is disposed at a side edge of a second height of the portal frame, a cart exiting track is disposed opposite to a side edge of a third height of the portal frame, the conveying track of the sand mold cart conveying line, the transition track and the cart exiting track are disposed in the same direction and are smoothly connected at corresponding height positions, the lifting device is used for driving the cart bearing table to move up and down along the frame body of the portal frame and enable the cart bearing table to stay at a preset height position respectively, so that the automatic driving-in of a no-load cart, the automatic feeding of a sand mold and the automatic driving-out of the cart loaded with the sand mold are realized.
3. The automatic sand conveying system according to claim 2, wherein a work table is provided at one side of the portal frame, the work table has a height corresponding to the first height, the sand mold cart conveying line is provided on a table surface of the work table, the cart exit rail is laid on the ground, and a first pushing means for pushing the sand mold cart to exit is provided opposite to the cart exit rail.
4. The automatic sand conveying system according to claim 3, wherein the loading transfer module includes a first track engaged with a cart exit track and a plurality of branch tracks laid in parallel on the casting area for the sand mold cart to travel, the first track and the plurality of branch tracks are laid in the same direction, a second track is vertically provided between the first track and the plurality of branch tracks, a cart transport plate and a first automatic transfer device for driving the cart transport plate to move on the second track are provided on the second track, a third track is further provided in parallel on one side of the second track, a second pushing device and a second automatic transfer device for driving the second pushing device to move on the third track are provided on the third track, and when one side of the cart transport plate is engaged with the first track, the sand mold cart on the first rail can be transited to the cart conveying plate, the other side of the cart conveying plate can be connected with any branch rail under the driving of the first automatic conveying device, and the second pushing device is used for pushing the sand mold cart to enter the corresponding branch rail.
5. The automatic sand delivery system of claim 4, wherein a fourth rail for sliding the cart is provided on the cart transport plate, and a track laying direction of the fourth rail is the same as a track laying direction of the first rail.
6. The automatic sand conveying system of claim 1, wherein the blanking conveying module comprises a sand mold collecting tank which is arranged at the end of the branch track and is recessed downwards, a certain height difference is formed between the sand mold collecting tank and the casting area, the notch of the sand mold collecting tank and the edge of the casting area are transited through a descending slope, a blocking column is arranged on the slope close to the notch of the sand mold collecting tank, and in the blanking state, the blocking column is used for blocking the sand mold trolley from sliding downwards, so that a sand mold on the sand mold trolley slides downwards from the sand mold trolley and falls into the sand mold collecting tank.
7. The automatic sand conveying system as claimed in claim 6, wherein the separating module includes a vibration table provided in the sand mold collecting tank, a gap being formed on a vibration top surface of the vibration table, the vibration table vibrating to cause the sand mold dropped on the vibration table top surface to be crushed and then to fall through the gap to separate the metal casting formed in the sand mold from the original sand mold, the system further including a lifting and conveying device having an adsorption portion made of a magnet for adsorbing the metal casting separated from the sand mold through the adsorption portion and conveying the metal casting to a designated position.
8. The automatic sand conveying system as claimed in claim 7, wherein the vibration table is inclined and has a metal casting reclamation groove provided at a lower end thereof, and the metal casting falls into the metal casting reclamation groove after the falling sand mold is separated by vibration.
9. The automated sand delivery system of claim 8, wherein the sand reclamation line is disposed below the vibratory platform.
10. The automatic sand conveying system of claim 4 or 5 wherein the lifting device, the first pushing device and the second pushing device are all pneumatic cylinders.
Technical Field
The invention relates to the technical field of sand casting, in particular to an automatic sand feeding system for sand mold casting.
Background
Sand casting, a casting process for producing castings in sand molds. Steel, iron and most nonferrous metal castings can be obtained by sand casting. The molding material used for sand casting is cheap and easy to obtain, the casting mould is simple and convenient to manufacture, and the casting mould can adapt to single-piece production, batch production and mass production of castings, and is a basic process in casting production for a long time. In modern production, the original manual production is replaced by an automatic production line, so that the production efficiency can be greatly improved.
For the existing metal casting technology, after the sand mold is manufactured by the sand mold manufacturing equipment, the sand mold needs to be transported to a casting area for casting, specifically, liquid metal needs to be injected into a casting cavity of the sand mold, and after a solid metal casting is formed, the solid metal casting in the casting cavity of the sand mold needs to be taken out. Due to the existence of the impurities, the acid consumption value is large in the process of preparing the cold core or the hot core by the reclaimed sand, the effect of a cold core catalyst and the coating effect of sand grains and resin are influenced, the strength of a sand core is reduced, and the quality of a produced casting finished product is poor, so that a large amount of new sand needs to be collected in order to produce a high-quality casting, so that the resource waste is caused, and the economic burden of an enterprise is increased.
Disclosure of Invention
The invention aims to provide a sand mould casting automatic sand conveying system which has higher automation degree, is more convenient to operate, has higher quality of reclaimed sand, ensures higher quality of cast castings and saves the cost of purchasing new sand by enterprises, and aims to solve the technical problems explained in the background art.
In order to achieve the purpose, the invention provides an automatic sand conveying system for sand mold casting, which comprises a sand mold manufacturing module and a sand mold trolley conveying line, wherein an upper mold device and a lower mold device are arranged corresponding to the output ends of the sand mold manufacturing module and the sand mold trolley conveying line, manufactured sand molds are placed on the sand mold trolley in a one-to-one correspondence mode through the upper mold device and the lower mold device, the output ends of the upper mold device and the lower mold device are connected with a feeding conveying module, a casting area is arranged along the conveying direction of the feeding conveying module, the sand mold trolleys carrying the sand molds are uniformly distributed in the casting area through the feeding conveying module, a discharging conveying module used for separating the sand mold trolleys and the sand molds is further arranged close to the casting area, a separating module used for separating formed metal castings and the sand molds is arranged at the output end of the discharging conveying module, a sand material recycling line is arranged corresponding to the separating module, and a magnetic separation module is sequentially arranged along the conveying direction of the, The sand mould comprises a dust removal module, a grinding and mixing module and a sand material loosening module, wherein the output end of a sand material recovery line is connected to the feeding port of the sand mould manufacturing module.
The upper and lower die device comprises a portal frame, a movable frame is arranged on a frame body of the portal frame in a sliding mode in the vertical direction, a lifting device is arranged on the top of the portal frame vertically and downwards, a telescopic rod of the lifting device is connected with the upper end of the movable frame, a cart bearing table is horizontally arranged at the lower end of the movable frame, a transition track is arranged on the cart bearing table, a sand mold cart conveying line is arranged on the side edge of the portal frame at the first height, a discharging opening of a sand mold manufacturing module is arranged on the side edge of the portal frame at the second height, a cart outgoing track is arranged on the side edge of the portal frame at the third height relative to the portal frame, the conveying track, the transition track and the cart outgoing track of the sand mold cart conveying line are laid in the same direction and are smoothly connected at the corresponding height positions, the lifting device is used for driving the cart bearing table to move up and down along the frame body of the portal frame and enable the cart The position is measured, so that the empty-load cart can automatically drive in, the sand mold can be automatically fed, and the cart loaded with the sand mold can automatically drive out.
The sand mold trolley conveying line is arranged on the table top of the workbench, the trolley driving-out track is laid on the ground, and a first pushing device used for pushing the sand mold trolley to drive out is arranged opposite to the trolley driving-out track.
Wherein the feeding and conveying module comprises a first track connected with a cart driving-out track and a plurality of branch tracks laid on the casting area in parallel for driving the sand mold cart, the first track and the plurality of branch tracks are laid in the same direction, a second track is vertically arranged between the first track and the plurality of branch tracks, a cart conveying plate and a first automatic conveying device for driving the cart conveying plate to move on the second track are arranged on the second track, a third track is also arranged on one side of the second track in parallel, a second pushing device and a second automatic conveying device for driving the second pushing device to move on the third track are arranged on the third track, when one side of the cart conveying plate is connected with the first track, the sand mold cart on the first track can transit to the cart conveying plate, the other side of the cart conveying plate can be connected with any branch rail under the driving of the first automatic conveying device, and the second pushing device is used for pushing the sand mold cart into the corresponding branch rail.
The trolley conveying plate is provided with a fourth track for the trolley to slide, and the track laying direction of the fourth track is the same as that of the first track.
The blanking transmission module comprises a sand mold collecting tank which is arranged at the tail end of the branch track and is recessed downwards, a certain height difference is formed between the sand mold collecting tank and the casting area, a notch of the sand mold collecting tank and the edge of the casting area are in transition through a section of descending slope, a blocking column is arranged on the slope close to the notch of the sand mold collecting tank, and in a blanking state, the blocking column is used for blocking the sand mold trolley to slide downwards, so that sand molds on the sand mold trolley slide downwards from the sand mold trolley and fall into the sand mold collecting tank.
The separation module comprises a vibration platform arranged in the sand mold collecting tank, a gap is formed on the vibration top surface of the vibration platform, the vibration platform enables the sand mold falling on the top surface of the vibration platform to form crushed sand through vibration and then falls down through the gap, so that a metal casting formed in the sand mold is separated from the original sand mold.
The vibrating platform is arranged in an inclined mode, a metal casting recovery tank is arranged at the lower end of the horizontal height of the vibrating platform, and after falling sand molds are separated from metal castings through vibration, the metal castings fall into the metal casting recovery tank.
Wherein, sand material recovery line sets up the below at vibration platform.
Wherein, the lifting device, the first pushing device and the second pushing device are all cylinders.
The invention relates to a sand mould casting automatic sand feeding system, a sand mould manufacturing module is used for manufacturing proper sand mould, the manufactured sand mould enters an upper mould device and a lower mould device from a feed opening of the sand mould manufacturing module, a sand mould cart conveying line arranged at the other side of the upper mould device and the lower mould device conveys the sand mould carts one by one to the upper mould device and the lower mould device, the sand moulds entering the upper mould device and the lower mould device are correspondingly placed on the sand mould carts one by one and enter a feeding conveying module from the output end of the upper mould device and the lower mould device, the sand mould carts carrying the sand moulds are uniformly distributed on a casting area under the action of the feeding conveying module, liquid metal is cast on each sand mould by the casting system, after the liquid metal is cooled and formed in the sand mould, the feeding conveying module separates the sand mould carts from the sand mould dies, and the separated sand mould dies enter a separating module from the output end of the feeding conveying module, the separation module separates the sand mould from the formed metal casting, the used sand generated by crushing the used sand mould is shaken and scattered from the separation module and falls into a sand material recovery line, the sand material recovery line drives the used sand to enter the magnetic separation module, under the action of the magnetic separation module, metal impurities in the used sand are adsorbed, the used sand passes through the dust removal module along with the sand material recovery line from the output end of the magnetic separation module, under the action of the dust removal module, small particle impurities in the used sand are adsorbed, the used sand after dust removal is continuously transmitted along with the sand material recovery line and enters the concentration module, the concentration module screens the used sand into concentrated sand with consistent size, the concentrated sand enters the grinding and mixing module along with the sand material recovery line and is mixed and ground with various additives in the grinding and mixing module, the concentrated sand after mixed grinding is loosened by the sand material loosening module and enters a feeding port of the sand mould manufacturing module from the output end of the sand material recovery line, and the sand mold is manufactured again through the sand mold manufacturing module, and the automatic cyclic utilization of the sand material can be realized through repeating the steps.
Compared with the prior art, the invention has the beneficial effects that: the degree of automation is higher, and it is more convenient to operate, and the reclaimed sand high quality of production has guaranteed the quality of the foundry goods of casting out, can reduce the cost that the enterprise purchase new sand simultaneously, is favorable to sustainable development.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an automatic sand feeding system for sand mold casting according to the present invention.
FIG. 2 is a schematic structural diagram of the upper and lower die assemblies of the present invention.
Fig. 3 is a schematic structural view of the cart platform of the present invention.
FIG. 4 is another schematic structural view of the automatic sand feeding system for sand mold casting according to the present invention
10-sand mould manufacturing module, 20-sand mould cart conveying line, 30-mould loading and unloading device, 40-feeding conveying module, 50-casting area, 60-blanking conveying module, 70-separation module, 80-sand material recovery line, 90-magnetic separation module, 100-dust removal module, 110-fine selection module, 120-grinding and mixing module, 130-sand material loosening module, 11-feeding port, 31-portal frame, 32-moving frame, 33-lifting device, 34-cart bearing table, 35-transition track, 36-cart discharging track, 12-blanking port, 37-workbench, 38-first pushing device, 41-first track, 42-branch track, 43-second track, 44-cart conveying plate, 45-a first automatic conveying device, 46-a third rail, 47-a second automatic conveying device, 48-a second pushing device, 49-a fourth rail, 61-a sand mold collecting tank, 62-a slope, 63-a blocking column, 71-a vibration platform, 72-a hoisting conveying device and 73-a metal casting recovery tank.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, the present invention provides an automatic sand feeding system for sand mold casting, including a sand
In this embodiment, the sand
Referring to fig. 2 and 3, further, the upper and
In this embodiment, the
Preferably, a workbench 37 is arranged on one side of the gantry 31, the height of the workbench 37 is adapted to the first height, the sand mold
Referring to fig. 4, further, the feeding and
In this embodiment, when one side of the
The sand mold cart in this embodiment includes a carrying board and a pulley, wherein the top surface of the carrying board is used for placing the sand mold, the bottom of the carrying board has a mounting groove, one side of the pulley is disposed in the mounting groove, the other side of the pulley is disposed in the rail, so that the sand mold cart can slide along the rail, two sides of the carrying board perpendicular to the sliding direction of the pulley are respectively provided with a first abutting member and a second abutting member, the upper surfaces of the first abutting member and the second abutting member are flush with the upper surface of the carrying board, and the pushing device can push the sand mold cart through the abutting members, so that the sand mold cart enters the
Preferably, the second pushing means 48 is a pneumatic cylinder having a pulley at the bottom thereof which is slidable on the
Meanwhile, the first automatic device mentioned in this embodiment includes a first driving sprocket, a first driven sprocket, a first transmission chain and a first motor for controlling the first driving sprocket to rotate, the first transmission chain is connected between the first driving sprocket and the first driven sprocket, and the transmission direction is parallel to the
In combination with a specific application scenario, the
As shown in fig. 4, the
In this embodiment, by reasonably setting the pushing stroke of the
As shown in fig. 4, the
In this embodiment, shaking up the broken sand mould of
In another embodiment, the
Further, the
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
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