阅读说明：本技术 一种复杂内腔铸件的振动除芯装置 (Vibration core removing device for complex inner cavity casting ) 是由 邓超 于 2020-04-24 设计创作，主要内容包括：本发明公开了一种复杂内腔铸件的振动除芯装置,包括除芯锤,电磁振动器,随形托盘,液压缸,橡胶垫,旋转支架,翻板机,排屑器等；铸件固定在托盘上,其下有橡胶垫提供缓冲,一个旋转支架带有4个随形托盘并通过液压缸紧固；在除芯工位由除芯锤进行冲击,尤其铸件拐脖处受到精准作用,其力量与频率及其安装位置可调；在清砂工位由电磁振动器提供振动源,其振动力与频率可调,同时翻板机旋转清砂。本发明利用除芯锤、电磁振动器与旋转支架配合,使振动力直接作用在铸件本体,能够有效除芯与清砂,铸件自动转换工位,使装置连续运行,省去了工人手动捶打的繁琐,降低了工人的劳动强度,提高了生产效率和保护铸件不被损坏；同时通过密闭封装,可以减少烟尘与噪音。(The invention discloses a vibrating core removing device for a complex inner cavity casting, which comprises a core removing hammer, an electromagnetic vibrator, a conformal tray, a hydraulic cylinder, a rubber pad, a rotary bracket, a plate turnover machine, a chip removal device and the like; the casting is fixed on the tray, a rubber pad is arranged below the casting for buffering, and a rotating bracket is provided with 4 conformal trays and is fastened through a hydraulic cylinder; the core removing hammer is used for impacting at a core removing station, particularly a casting corner is accurately acted, and the force, the frequency and the installation position of the casting corner are adjustable; a vibration source is provided by an electromagnetic vibrator at a sand cleaning station, the vibration force and frequency of the vibration source are adjustable, and meanwhile, the plate turnover machine rotates to clean sand. According to the invention, the core removing hammer, the electromagnetic vibrator and the rotary bracket are matched, so that the vibration force directly acts on the casting body, the core removing and sand cleaning can be effectively realized, the casting automatically switches stations, the device can continuously operate, the trouble of manual beating of workers is eliminated, the labor intensity of the workers is reduced, the production efficiency is improved, and the casting is protected from being damaged; meanwhile, smoke dust and noise can be reduced through closed packaging.)

1. The utility model provides a vibration of complicated inner chamber foundry goods removes core device which characterized in that: the rotary bracket is provided with four uniformly distributed support arms, a conformal tray and a casting are placed on the support arms and are supported and fastened by a rubber pad and a hydraulic cylinder, the rotary bracket connects a central rotary oil cylinder with the four hydraulic cylinders through a slip ring, and the rotary bracket moves in sequence at four stations of workpiece feeding, core removing, sand cleaning and workpiece discharging according to working beats; the core removing hammer impacts the surface of the casting at a core removing station, particularly can directly act on a corner which is the position most difficult to remove the core, the impact force, the frequency and the installation position of the corner are adjustable, the casting is fixed between a conformal tray and a rubber pad thereof, and the core removing hammer, on one hand, the casting is directly stressed on the core removing hammer, on the other hand, the contact surface of the casting is prevented from being damaged through the buffering of the rubber pad, and meanwhile, the conformal tray is arranged on an installation frame of the core removing station and is separated from a support arm of a rotary support, so that the rotary support is protected; a vibration source is provided by an electromagnetic vibrator at a sand removal station, a plate turnover machine rotates to erect the casting and the shape-following tray thereof, and scraps are continuously discharged by vibration; at the moment, the casting and the shape following tray thereof are separated from the bracket arm of the rotating bracket and are fixed on a sand cleaning station through a positioning pin of the shape following tray.

2. The apparatus of claim 1 for vibratory coring of complex bore castings, wherein: the core removing hammer impacts the surface of the casting, particularly can directly act on a part which is the crank neck and is the most difficult to remove the core, and the impact force and the frequency of the core removing hammer are adjustable; at the moment, a casting is fixed between the shape-following tray and the rubber pad thereof and the core removing hammer, the shape-following tray is provided with two positioning feet, one positioning foot is used for being fixed on a supporting arm of the rotating bracket, and the other positioning foot is used for being fixed on a core removing station or a sand removing station; the rubber pad provides buffering to prevent the contact surface of foundry goods impaired, and the pneumatic cylinder below the rubber pad provides power for the foundry goods is fixed simultaneously.

3. The apparatus of claim 1 for vibratory coring of complex bore castings, wherein: the casting is fixed on the conformal tray and the rubber pad thereof, the tool is fixed on the supporting arms of the rotating bracket, the rotating bracket is provided with four supporting arms which are uniformly distributed, the rotating bracket connects the central rotating oil cylinder with four hydraulic cylinders through a slip ring, and the hydraulic cylinders finish fastening the conformal tray and the casting; the central rotary oil cylinder drives the rotary support to move at four stations according to the working beat, and the four stations are respectively workpiece feeding, core removing, sand cleaning and workpiece discharging.

4. The apparatus of claim 1 for vibratory coring of complex bore castings, wherein: the electromagnetic vibrator provides a vibration source at a sand removal station, the vibration force and the frequency of the electromagnetic vibrator are adjustable, meanwhile, the plate turnover machine rotates to erect the casting and the shape following tray thereof, and scraps are continuously discharged by vibration; at the moment, the casting and the shape following tray thereof are separated from the bracket arm of the rotating bracket and are fixed on a sand cleaning station through a positioning pin of the shape following tray.

5. The apparatus of claim 1 for vibratory coring of complex bore castings, wherein: the bottom of the sand removal station is provided with the chip cleaner, and the chips are continuously discharged by the chip cleaner under the vibration.

6. The apparatus of claim 1 for vibratory coring of complex bore castings, wherein: the workpiece inlet station extends out through the rail, and the conformal tray and the casting can enter and exit on the rail; meanwhile, the shape-following tray and the casting are made to pass in and out of the bracket arm of the rotating bracket through the sequential opening and closing of the two sealing doors, so that the continuous operation of the device is not influenced, and the smoke and dust can be prevented from overflowing and the influence of noise can be reduced.

Technical Field

The invention relates to the technical field of casting core removal, in particular to a vibration core removal device for a casting with a complex inner cavity.

Background

In the casting process, the core of the casting needs to be removed after the casting is poured and cooled, but the inner cavity of the complex inner cavity casting has large curvature and narrow inner diameter, which becomes the difficulty of core removal.

The traditional core removing method mostly adopts manual core removing of workers, the working strength is high, the working environment is severe, the manual beating positioning is not accurate, the efficiency is low, and the casting is easy to damage.

Disclosure of Invention

In order to overcome the defects of the prior art, one of the purposes of the invention is to provide a vibration core removing device for a complex inner cavity casting, wherein a core removing hammer, an electromagnetic vibrator and a rotary bracket are matched, so that the vibration force is directly acted on a casting body, the core removing and sand cleaning can be effectively realized, the casting automatically switches stations, the equipment is continuously operated, the complexity of manual beating of workers is saved, the labor intensity of the workers is reduced, the production efficiency is improved, and the casting is protected from being damaged; meanwhile, smoke dust and noise can be reduced through closed packaging.

The purpose of the invention is realized by adopting the following technical scheme:

the utility model provides a vibration of complicated inner chamber foundry goods removes core device which characterized in that: the core removing hammer impacts the surface of the casting, particularly can directly act on a part which is the crank neck and is the most difficult to remove the core, and the impact force and the frequency of the core removing hammer are adjustable; at the moment, the casting is fixed between the conformal tray and the rubber pad thereof and the core removing hammer, so that the casting is directly stressed on the core removing hammer, and the contact surface of the casting is prevented from being damaged by the buffering of the rubber pad; the conformal tray is arranged on the mounting frame where the core removing hammer is arranged and separated from the supporting arm of the rotary support, so that the rotary support is protected.

Through adopting above-mentioned technical scheme, utilize and remove core hammer direct contact foundry goods surface, guaranteed that the impact force direct action can reach better core effect of removing, the impact force that removes the core hammer in addition is adjustable with frequency and mounted position, has also protected the foundry goods to avoid damaging, simultaneously applicable in multiple foundry goods.

Furthermore, the core removing hammer impacts the surface of the casting, particularly can directly act on a part which is the corner and is most difficult to remove the core, and the impact force, the frequency and the installation position of the core removing hammer are adjustable; at the moment, the casting is fixed between the conformal tray and the rubber pad thereof and the core removing hammer, the conformal tray is provided with two positioning feet, one positioning foot is used for being fixed on a supporting arm of the rotating bracket, and the other positioning foot is used for being fixed on a core removing station or a sand removing station; the rubber pad provides the buffering in order to prevent the contact surface of foundry goods impaired, and the pneumatic cylinder below the rubber pad provides power for the foundry goods is fixed simultaneously.

By adopting the technical scheme, the positioning of the shape-following tray and the casting in the core removing device can be completed by utilizing the two positioning feet of the shape-following tray, on one hand, the shape-following tray can be fixed on the supporting arm of the rotating bracket, and on the other hand, the shape-following tray can be fixed on the mounting frame of the core removing station or the sand cleaning station and separated from the supporting arm, so that the positioning problem of the casting is solved, and the supporting arm is prevented from being influenced by vibration.

Further, the casting is fixed on the conformal tray and the rubber pad thereof, the tool is fixed on a supporting arm of a rotating support, the rotating support is provided with four supporting arms which are uniformly distributed, the rotating support connects a central rotating oil cylinder with four hydraulic cylinders through a slip ring, and the hydraulic cylinders finish fastening the conformal tray and the casting; the central rotary oil cylinder drives the rotary support to move at four stations according to the working beat, and the four stations are respectively workpiece feeding, core removing, sand cleaning and workpiece discharging.

Through adopting above-mentioned technical scheme, the runing rest is provided power by central authorities ' rotatory hydro-cylinder, makes four evenly distributed's trailing arm remove according to the work beat at four stations, not only makes things convenient for the foundry goods business turn over, lets the work of equipment coring sand removal go on in succession simultaneously, does not receive the influence of workman's loading and unloading foundry goods, very big improvement production efficiency.

Furthermore, a vibration source is provided by an electromagnetic vibrator at a sand removal station, the vibration force and the frequency of the vibration source are adjustable, meanwhile, the plate turnover machine rotates to erect the casting and the shape following tray thereof, and scraps are continuously discharged by vibration; at the moment, the casting and the shape following tray thereof are separated from the bracket arm of the rotating bracket and are fixed on a sand cleaning station through a positioning pin of the shape following tray.

By adopting the technical scheme, the electromagnetic vibrator is in close contact with the casting through the conformal tool, so that enough vibration force is ensured to act on the casting body, and meanwhile, the vibration force and frequency can be adjusted, thereby achieving the optimal sand removal effect and improving the sand removal efficiency; meanwhile, the conformal tray and the casting are fixed on the mounting frame of the sand removal station and separated from the supporting arm, so that the positioning problem of the casting is solved, and the supporting arm is prevented from being influenced by vibration.

Furthermore, the chip cleaner is arranged at the bottom of the sand cleaning station, and the chips are vibrated and continuously discharged by the chip cleaner; meanwhile, the workpiece feeding position extends outwards through the rail, and the conformal tray and the casting can enter and exit on the rail; meanwhile, the shape-following tray and the casting are made to pass in and out of the bracket arm of the rotating bracket through the sequential opening and closing of the two sealing doors, so that the continuous operation of the device is not influenced, the smoke and dust are prevented from overflowing, and the noise is reduced.

Through adopting above-mentioned technical scheme, can keep clean and tidy of equipment through the chip cleaner, make things convenient for the piece to retrieve, realize the airtight encapsulation operation of device through twice sealing door, prevent that the smoke and dust from spilling over and the noise reduction has improved operational environment.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the vibration source is provided by the core removing hammer and the electromagnetic vibrator, and the core removing hammer and the electromagnetic vibrator directly act on the casting body, so that the core can be effectively removed and the sand can be removed, the trouble of manually beating by workers is saved, the labor intensity of the workers is reduced, the production efficiency is improved, and the casting is protected from being damaged; 2. the four supporting arms are driven by the rotary support to move at four stations, so that continuous operation of equipment is realized, and the production efficiency is improved; 3. through the sealed package, the smoke dust and the noise can be reduced.