CN114101592B - Automatic core making, core connecting and core repairing integrated equipment and core repairing method thereof - Google Patents

Automatic core making, core connecting and core repairing integrated equipment and core repairing method thereof Download PDF

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Publication number
CN114101592B
CN114101592B CN202111315513.8A CN202111315513A CN114101592B CN 114101592 B CN114101592 B CN 114101592B CN 202111315513 A CN202111315513 A CN 202111315513A CN 114101592 B CN114101592 B CN 114101592B
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China
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core
repairing
plate
machine
sand
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CN114101592A (en
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叶志立
黄腾斌
丁巧丽
余文超
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Zhejiang Xinli Intelligent Equipment Co ltd
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Zhejiang Xinli Intelligent Equipment Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/10Cores; Manufacture or installation of cores
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/18Finishing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Devices For Molds (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

The utility model provides equipment integrating automatic core making, core connecting and core repairing and a core repairing method thereof, belonging to the field of machine manufacturing. The trimming method solves the problems that the existing trimming method needs to take down the sand core from the core making mechanism and trim the sand core at the position of being transported to a robot or a worker, so that the consumed cost is high and the machining efficiency is low. The core connecting machine is characterized in that a core repairing plate used for repairing the sand core is arranged at the front part of the core connecting machine, two lifting mechanisms capable of controlling the lifting of the core repairing plate are symmetrically arranged on the core connecting machine, a core repairing hole is formed in the core repairing plate, and the section shape of the core repairing hole is identical to the section shape of a parting surface of the sand core mould. The utility model has the advantages of improving core making efficiency and reducing cost.

Description

Automatic core making, core connecting and core repairing integrated equipment and core repairing method thereof
Technical Field
The utility model belongs to the field of machine manufacturing, relates to automatic processing of sand cores, and in particular relates to equipment integrating automatic core making, core connecting and core repairing and a core repairing method thereof.
Background
The sand core is mainly used for forming inner holes and cavities of castings, certain outline parts which prevent demolding and are not easy to produce sand can be formed by the sand core, the manufacturing method of the sand core is divided into manual core manufacturing and core manufacturing machine core manufacturing, and the sand core manufactured by the core manufacturing machine is transported by a core receiving machine. In the process of manufacturing the sand core, after the first mold separation, the sand core can stay in the cavity of the movable mold, possibly stay in the cavity of the fixed mold, and according to different machine types or product forms, the sand core can push out the sand core staying in the cavity of the mold to the core receiving machine through the ejection of the mold ejection mechanism.
For example: the utility model patent with the application number of CN201821729068.3 discloses a sand-prevention type automatic material receiving and feeding device, the device is provided with a conveying line, a lifting frame and a fixed frame, the conveying line consists of a conveying frame and a conveying belt, a first driving mechanism is arranged on the conveying frame, a scissor type lifting mechanism is arranged between the fixed frame and the lifting frame, a second driving mechanism is arranged on the fixed frame, a chain wheel component I is arranged between the driving mechanism II and the scissor type lifting mechanism, a mounting plate is arranged between the lifting frame and the conveying line, a support column is arranged between the mounting plate and the conveying frame, a sliding block is arranged on the lower end surface of the mounting plate, a chain wheel component II consisting of a driving chain wheel, a driven chain wheel and a chain II is arranged on the lifting frame, a third driving mechanism is arranged on the lifting frame, and a fixed block is arranged on the chain.
After the preparation of the sand core is completed, the sand core is transported to a designated position through a core connecting machine, and is often required to be trimmed manually or by a robot, but the trimming mode is required to take down the sand core from a core manufacturing mechanism, and the sand core is trimmed at the position of being transported to the robot or a worker, so that the consumed cost is high, and the processing efficiency is low.
Disclosure of Invention
The utility model aims at solving the problems in the prior art and provides a core repairing method integrating automatic core making, core connecting and core repairing into a whole, which improves the core making efficiency and reduces the cost.
The aim of the utility model can be achieved by the following technical scheme: the core repairing method integrating automatic core making, core connecting and core repairing is characterized in that a lifting core repairing plate capable of moving forwards, backwards, leftwards and rightwards is arranged on a core connecting machine or a robot, a core repairing hole communicated with the outside is formed in the middle of the core repairing plate, the section shape of the core repairing hole is the same as the section shape of a parting surface of a sand core mould, and the core repairing steps are as follows:
step one: when the core making machine completes core making, the die is opened for the first time, and after the movable die stays at a specified position, the core repairing plate is moved to a specified height by the core receiving machine or the robot;
step two: after the step one is completed, the core connecting machine or the robot safely moves the core repairing plate between the fixed die and the movable die until the projection directions of the core repairing hole and the parting surface of the sand core die coincide and stay;
step three: after the second step is completed, the core connecting machine or the robot moves the core repairing plate towards the stay direction of the sand core and approaches to the parting surface of the mould for staying the sand core;
step four: after the step three is completed, the sand core is ejected out by the die ejection mechanism, and the sand core is scraped clean by the core trimming hole of the core trimming plate, and the burr of the parting surface of the sand core is scraped clean by the core trimming hole.
In the above-mentioned method for repairing the core, which integrates automatic core making, core connection and core repairing, the core repairing plate in the first step cannot be higher than the bottom surface of the sand core.
In the above-mentioned method for repairing the core, which integrates automatic core making, core connection and core repairing, the core repairing plate is arranged parallel to the movable die and the fixed die.
The device integrating automatic core making, core connecting and core repairing comprises a core connecting machine, wherein the core connecting machine is in butt joint with the core making machine, and is characterized in that a core repairing plate for repairing a sand core is arranged at the upper front part of the core connecting machine, two lifting mechanisms capable of controlling the lifting of the core repairing plate are symmetrically arranged on the core connecting machine, a core repairing hole is formed in the core repairing plate, and the section shape of the core repairing hole is the same as the section shape of a parting surface of a sand core mould.
In the device integrating automatic core making, core connecting and core repairing, the lifting mechanism consists of a driving motor fixed on the frame of the core connecting machine and a lifting support fixedly connected below the core repairing plate, a rack is fixedly arranged on the lifting support, a transmission gear meshed with the rack is arranged on the core connecting frame and opposite to the rack, and the driving motor drives the transmission gear to rotate through a sprocket assembly, so that the meshed rack lifts to drive the core repairing plate to lift.
In the device integrating automatic core making, core connecting and core repairing, the lifting support is provided with the connecting plate fixedly connected with the core repairing plate, and a plurality of spring assemblies for buffering are arranged between the lifting support and the connecting plate.
In the device integrating automatic core making, core connecting and core repairing, the guide piece for guiding the rack is arranged on the core connecting machine and opposite to the rack, one side of the rack is meshed with the gear, and the other side of the rack is propped against the guide piece.
In the above-mentioned core trimming device integrating automatic core manufacturing, core connection and core trimming, the chain belt is provided with a sensor for sensing the corresponding position of the core trimming plate.
Compared with the prior art, the equipment integrating automatic core making, core connecting and core repairing and the core repairing method thereof are characterized in that the core repairing plate is arranged on the core connecting machine, the section shape of a core repairing hole formed in the core repairing plate is the same as the section shape of the parting surface of the sand core mould, after the core making is finished, burrs on the surface of the sand core after the core making is finished are trimmed under the driving of the core connecting machine, and the core repairing mode avoids manual core repairing, so that the cost is greatly reduced.
Drawings
Fig. 1 and 2 are schematic views of the steps of the present utility model.
Fig. 3 is a schematic diagram of the overall structure of the core making machine and the core joining machine of the present utility model.
Fig. 4 is a schematic structural view of the core bonder according to the present utility model.
Fig. 5 is a schematic structural view of the lifting mechanism in the present utility model.
In the figure, 1, a core making machine; 2. a core connecting machine; 3. a core board; 4. a lifting mechanism; 5. repairing the core hole; 6. a driving motor; 7. a lifting bracket; 8. a rack; 9. a transmission gear; 10. a sprocket assembly; 11. a connecting plate; 12. a spring assembly; 13. a guide member; 14. a sensor.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the device integrating automatic core making, core connection and core repairing and a core repairing method thereof comprise a core making machine 1 and a core connecting machine 2, wherein a core repairing plate 3 for repairing the core is arranged at the upper front part of the core connecting machine 2, a lifting mechanism 4 for lifting the core repairing plate 3 is further arranged on the core connecting machine 2, a core repairing hole 5 is formed in the core repairing plate 3, the sectional shape of the core repairing hole 5 is the same as the sectional shape of a parting surface of a sand core mould, the middle part of the core repairing plate 3 is provided with a core repairing hole 5 communicated with the outside, the sectional shape of the core repairing hole 5 is the same as the sectional shape of the parting surface of the sand core mould, and the whole operation method thereof is as follows:
1. the sand material gets into core making machine 1, and movable mould and cover half laminating each other begin the core making, and the back is accomplished to the core making, and movable mould and cover half are separated each other (the sand core can be located the movable mould and also can be located the cover half, and when the below-mentioned sand core was located the movable mould), and the movable mould upwards moves a section distance, and the movable mould has certain clearance (the clearance is about 5 mm) with mould ejection mechanism.
2. The core repairing plate 3 safely moves into the space between the movable die and the fixed die through an automatic material receiving and feeding device in the core receiving machine 2, the moving height of the core repairing plate 3 is lower than the bottom of the sand core and higher than the top of the fixed die, and the core repairing plate 3 is prevented from being contacted with the sand core to damage the sand core, and the core repairing plate 3 moves into the core repairing hole 5 to be overlapped with the projection direction of the parting surface of the sand core die and stays.
3. The core repairing plate 3 moves to the movable mould with the sand core through a lifting device in the core connecting machine 2 until the parting surface of the mould close to one surface of the sand core is about 0mm to 2mm, a guide post (a guide hole) matched with the movable mould (a fixed mould) is arranged on the core repairing plate 3, the accuracy of the superposition accuracy is ensured until the movable mould is mutually attached to the movable mould, and the movable mould and the core repairing plate 3 move upwards simultaneously and are close to a mould ejection mechanism.
4. The die ejection mechanism ejects the sand core on the conveyer belt, burrs of a parting plane outside the sand core are scraped clean through the core repairing holes 5 on the core repairing plate 3, the core repairing plate 3 is driven to descend through the core receiving machine 2, the core repairing plate 3 is lifted through the lifting mechanism 4 arranged on the core receiving machine 2 and connected with the core repairing plate 3, and the phenomenon that the bottom of the sand core, which is higher than the core repairing plate 3, cannot move backwards through the conveyer belt is avoided, so that the sand core can be conveyed by the conveyer belt to be ejected.
In the core connecting process, a lifting device capable of lifting the core repairing plate 3 is arranged on the core connecting machine 2, a moving device capable of transversely moving the core repairing plate 3 is further arranged on the core connecting machine 2, the core repairing plate 3 is lifted and moved under the action of the lifting device and the moving device, the core connecting plate is arranged outside the movable die and the fixed die, firstly moves into the space between the movable die and the fixed die through the moving device on the core connecting machine 2, and is close to the upper die with the sand core through the lifting device on the core connecting machine 2, after finishing core repairing, the sand core is propped against the conveying belt by the die jacking mechanism, the lifting device drives the whole to descend, the sand core is penetrated on the core repairing plate 3, the moving device drives the whole to withdraw from the fixed die and the movable die, and meanwhile, the lifting mechanism 4 at the position of the core repairing plate 3 lifts the core repairing plate 3, and the sand core can be transported through the conveying belt.
Further, the lifting mechanism 4 is further described, the lifting mechanism 4 is composed of a driving motor 6 fixed on the frame of the core splicing machine 2 and a lifting support 7 fixedly connected below the repairing plate 3, a rack 8 is fixedly installed on the lifting support 7, a transmission gear 9 meshed with the rack 8 is installed on the frame of the core splicing machine 2 and is opposite to the rack 8, the driving motor 6 drives the transmission gear 9 to rotate through a chain wheel assembly 10, so that the meshed rack 8 lifts to drive the repairing plate 3 to lift, the driving motor 6 rotates to enable the driving gear connected with the driving motor 6 to rotate to drive a chain to carry, the other end of the driving gear is meshed with the chain to start rotating, so that the rack 8 meshed with the gear lifts or descends, and as the rack 8 is fixedly installed on the lifting support 7, the lifting or descending of the rack 8 drives the lifting support 7, so that the repairing plate 3 on the lifting support 7 is driven to lift or descend.
Further, the movable mould and the core repairing plate 3 are guided in a fine manner, the positions of the guide posts and the guide holes are not fixed, the guide posts can be arranged on the movable mould and also can be arranged on the fixed mould, when the guide posts are arranged on the movable mould, the core repairing plate 3 is provided with the guide holes matched with the guide posts, the interaction of the guide posts and the guide holes ensures the accuracy of superposition, and the sand core rough edges through the core repairing plate 3 are trimmed cleanly without damaging the appearance of the sand core.
Further, no matter the core making die is one die or one die with multiple dies, the working procedures of trimming the burrs of all sand cores are finished through the action of the core trimming plate 3, and the core making efficiency is greatly improved.
Further, the spring assembly 12 is further described, the lifting support 7 is provided with a connecting plate 11 fixedly connected with the core repairing plate 3, a plurality of spring assemblies 12 used for buffering are arranged between the lifting support 7 and the connecting plate 11, when the core repairing plate 3 and the movable mould are close to each other, the upper end of the core repairing plate 3 and the bottom end of the movable mould are close to each other, and the core repairing plate 3 is buffered through the action of the spring assemblies 12.
Further, the sensor 14 for sensing the corresponding position of the core repairing plate 3 is arranged on the chain belt, and the sensor 14 senses the position of the chain belt, so that the core repairing plate 3 moves on the set position, and the processing efficiency and the processing precision of the sand core are improved.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (6)

1. The core repairing method integrating automatic core making, core connecting and core repairing is characterized in that equipment integrating automatic core making, core connecting and core repairing is adopted, the equipment comprises a core machine (2) in butt joint with the core machine (1) and a core machine (1), and the core repairing method is characterized in that a core repairing plate (3) for repairing a sand core is arranged at the upper front part of the core machine (2), two lifting mechanisms (4) capable of controlling the lifting of the core repairing plate (3) are symmetrically arranged on the core machine (2), a core repairing hole (5) is formed in the core repairing plate (3), and the section shape of the core repairing hole (5) is identical with the section shape of a parting surface of the sand core mould;
the core repairing machine is provided with a lifting core repairing plate capable of moving forwards, backwards, leftwards and rightwards, the middle part of the core repairing plate is provided with a core repairing hole communicated with the outside, and the core repairing steps are as follows:
step one: when the core making machine completes core making, the die is opened for the first time, and after the movable die stays at a specified position, the core repairing plate is moved to a specified height by the core receiving machine;
step two: after the step one is completed, the core connecting machine safely moves the core repairing plate between the fixed die and the movable die until the projection directions of the core repairing hole and the parting surface of the sand core die coincide and stay;
step three: after the second step is completed, the core connecting machine moves the core repairing plate towards the stay direction of the sand core and approaches to the parting surface of the mould for staying the sand core;
step four: after the step three is completed, the sand core is ejected out by the die ejection mechanism, and the sand core is scraped clean by the core trimming hole of the core trimming plate, and the burr of the parting surface of the sand core is scraped clean by the core trimming hole.
2. The method for repairing the core by integrating automatic core making, core connecting and core repairing as claimed in claim 1, wherein the core repairing plate in the first step cannot be higher than the bottom surface of the sand core.
3. The method for repairing the core by integrating automatic core making, core connecting and core repairing as claimed in claim 1, wherein the core repairing plate is arranged in parallel with the movable die and the fixed die.
4. The automatic core making, core connecting and repairing integrated core repairing method according to claim 1, wherein the lifting mechanism (4) consists of a driving motor (6) fixed on a frame of the core connecting machine (2) and a lifting support (7) fixedly connected below the core repairing plate (3), a rack (8) is fixedly arranged on the lifting support (7), a transmission gear (9) meshed with the rack (8) is arranged on a frame of the core connecting machine (2) and opposite to the rack (8), and the driving motor (6) drives the transmission gear (9) to rotate through a sprocket assembly (10), so that the rack (8) meshed with the driving motor lifts to drive the core repairing plate (3) to lift.
5. The method for repairing the core by integrating automatic core making, core connecting and core repairing according to claim 4, wherein a connecting plate (11) fixedly connected with the core repairing plate (3) is arranged on the lifting support (7), and a plurality of spring assemblies (12) for buffering are arranged between the lifting support (7) and the connecting plate (11).
6. The method for repairing the core by integrating automatic core making, core connecting and core repairing according to claim 4, wherein a guide piece (13) for guiding the rack (8) is arranged on the core connecting machine (2) relative to the rack (8), one side of the rack (8) is meshed with the gear, and the other side of the rack (8) is propped against the guide piece (13).
CN202111315513.8A 2021-11-08 2021-11-08 Automatic core making, core connecting and core repairing integrated equipment and core repairing method thereof Active CN114101592B (en)

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CN114101592B true CN114101592B (en) 2023-12-19

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CN212094240U (en) * 2020-05-16 2020-12-08 浙江信立智能设备有限公司 Unmanned core production line
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CN202105988U (en) * 2011-05-06 2012-01-11 华东泰克西汽车铸造有限公司 Automatic core picking and repairing device of core of automobile engine cylinder
CN203030832U (en) * 2012-12-28 2013-07-03 江苏恒立高压油缸股份有限公司 Core finishing device
CN203936329U (en) * 2014-06-05 2014-11-12 常州市永丰球墨铸造厂 A kind of casting sand core core finishing machine
CN104493086A (en) * 2014-12-24 2015-04-08 南车眉山车辆有限公司 Integral forming process of DZ1 type side frame guide frame of wagon
CN204975222U (en) * 2015-09-28 2016-01-20 华东泰克西汽车铸造有限公司 A core finishing device that is used for automobile engine cylinder body water jacket psammitolite side core burr
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CN208592369U (en) * 2018-06-05 2019-03-12 科华控股股份有限公司 A kind of molding that sand core fash is scraped in easy to use and reliable repairing, which is repaired, scrapes mould
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