CN108941454B - Sand adding device free of arrangement in lost foam casting - Google Patents

Sand adding device free of arrangement in lost foam casting Download PDF

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Publication number
CN108941454B
CN108941454B CN201810696715.3A CN201810696715A CN108941454B CN 108941454 B CN108941454 B CN 108941454B CN 201810696715 A CN201810696715 A CN 201810696715A CN 108941454 B CN108941454 B CN 108941454B
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Prior art keywords
sand
groove
plate
slide rail
sand outlet
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CN201810696715.3A
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CN108941454A (en
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王培燃
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Anhui David Mould Co Ltd
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Anhui David Mould Co Ltd
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Publication of CN108941454A publication Critical patent/CN108941454A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/02Sand moulds or like moulds for shaped castings
    • B22C9/04Use of lost patterns
    • B22C9/046Use of patterns which are eliminated by the liquid metal in the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C5/00Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
    • B22C5/12Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose for filling flasks

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Special Chairs (AREA)
  • Casting Devices For Molds (AREA)

Abstract

The invention discloses a sand adding device free of arrangement in lost foam casting, which comprises a sand adding groove, wherein the sand adding groove is of a top opening structure, the end face of the sand adding groove is connected with an electric slide rail through a slide block, the end face of the electric slide rail is fixed on a connecting plate, two ends of the connecting plate are respectively fixed on a left connecting shaft and a right connecting shaft, a sand outlet hole is formed in the bottom of the sand adding groove, the sand outlet hole is connected with a sand outlet plate in a sliding mode, a buffer groove is arranged below the sand outlet hole, the buffer groove is fixedly connected with the bottom of the sand adding groove through a connecting frame, a second sand outlet hole is formed in the bottom of the buffer groove, the second sand outlet hole is rotatably connected with a second sand outlet plate, and a volute spring is arranged at the joint of the second sand outlet plate and the second sand outlet; through setting up with sand groove and electronic slide rail, can locate to add the sand operation to the sand box in different positions, avoid piling up of molding sand, effectively solved the current problem that needs constantly vibrate the sand box in adding the sand operation.

Description

Sand adding device free of arrangement in lost foam casting
Technical Field
The invention relates to a sand adding device free of arrangement in lost foam casting, and belongs to the field of lost foam casting.
Background
Lost foam casting is also called solid casting, which is solid casting that a foam plastic mould adopts a binder-free dry sand combined vacuumizing technology, and is a novel casting method that foam models with similar size and shape to a casting are bonded and combined into a model cluster, the model cluster is coated with refractory paint and dried, then the model cluster is buried in dry quartz sand for vibration molding, the model is poured under negative pressure, the model is gasified, liquid metal occupies the position of the model, and the model cluster is solidified and cooled to form the casting; the method has the advantages of good casting quality, low cost and high precision; the current sand adding device is convenient for adding sand, the sand adding device is usually fixed at a certain fixed position for adding sand operation, lead to the molding sand to add at a certain position of sand box and add, need continuous vibration sand box at the sand in-process that adds, the work load of adding sand operation has been increased, and the current sand adding device adopts the mode of empting to add sand operation usually, lead to adding sand speed and can't obtain control adding the sand in-process, can't effectually carry out the control of sand adding speed, and then accurate the sand amount control that adds.
Disclosure of Invention
The invention provides a sand adding device for lost foam casting without finishing, and solves the problems that a sand box needs to be vibrated continuously and the falling speed of molding sand cannot be controlled in the sand adding process of the conventional sand adding device.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention provides a sand adding device for lost foam casting without finishing, which comprises a sand adding groove, wherein the sand adding groove is of a top opening structure, the end surface of the sand adding groove is connected with an electric slide rail through a slide block, the end surface of the electric slide rail is fixed on a connecting plate, two ends of the connecting plate are respectively fixed on the left connecting shaft and the right connecting shaft which are both fixed on the base, a sand outlet is arranged at the bottom of the sand adding groove, the sand outlet is connected with a sand outlet plate in a sliding way, a buffer groove is arranged below the sand outlet, the buffer tank is fixedly connected with the bottom of the sand adding tank through a connecting frame, the bottom of the buffer tank is provided with a second sand outlet, the second sand outlet is rotationally connected with a second sand outlet plate, a volute spring is arranged at the joint of the second sand outlet plate and the second sand outlet, the base bottom is equipped with the runner, be equipped with control panel on the base, control panel electric property links to each other electronic slide rail.
Preferably, the bottom of the sand adding groove is obliquely arranged, and the height of one end, close to the sand outlet, of the bottom of the sand adding groove is lower than that of one end, far away from the sand outlet.
Preferably, the bottom of the buffer tank is in a shape of a frustum pyramid, and the second sand outlet is located in the center of the bottom of the buffer tank.
Preferably, a baffle is arranged inside the buffer groove and is in sliding connection with the inner wall of the buffer groove. The size of the sand outlet is convenient to adjust according to different sand boxes.
Preferably, the sanding plate end face is connected with an electric telescopic rod, the electric telescopic rod is connected with the sanding groove end face through a support, and the electric telescopic rod is electrically connected with the control panel. The falling speed and whether the molding sand falls can be automatically controlled.
Preferably, left side connecting axle includes that left fixed axle and left remove the axle, right side connecting axle includes that right fixed axle and right remove the axle, left side fixed axle is open-top's hollow structure, the inside left screw rod that is equipped with of left side fixed axle, left side screw rod passes through left nut and connects left removal axle bottom, left side screw rod passes through worm drive mode and links to each other with transmission shaft one end, the transmission shaft middle part passes through worm drive mode and links to each other with right screw rod, right screw rod is established inside right fixed axle, right screw rod passes through right nut and connects right removal axle bottom, the transmission shaft other end passes right fixed axle and links to each other with the rotating electrical machines, the rotating electrical machines is established on the base, the continuous control panel of rotating electrical.
Preferably, a second electric slide rail is arranged on the connecting plate below the electric slide rail and connected with a second electric telescopic rod through a second slide block, the bottom of the second electric telescopic rod is fixedly connected with a second connecting plate, and the second connecting plate is connected with the pressing plate through threads.
Preferably, the pressing plate has multiple specifications, the pressing plate is cuboid in shape, the width and the height of the pressing plate are consistent, and the pressing plate is different in length.
Preferably, the bottom of the connecting plate is provided with an infrared sensor, and the infrared sensor is electrically connected with the control panel. The falling height of the sand adding groove is controlled, and the collision between the sand adding groove and the sand box and the quantity of the molding sand in the sand box are prevented.
Through the technical scheme, the invention has the beneficial effects that: through setting up with sand groove and electronic slide rail, can locate to add the sand operation to the sand box in different positions, avoid piling up of molding sand, effectively solved the current problem that needs constantly vibrate the sand box in adding the sand operation to through setting up dashpot and electric telescopic handle, effectively solved the problem of uncontrollable molding sand falling speed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the present invention;
fig. 3 is a schematic view of the inside of the left connecting shaft.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The sand adding device free from arrangement in lost foam casting comprises a sand adding groove 1, wherein the sand adding groove 1 is of a top opening structure, the end face of the sand adding groove 1 is connected with an electric slide rail 3 through a slide block 2, the end face of the electric slide rail 3 is fixed on a connecting plate 5, two ends of the connecting plate 5 are respectively fixed on a left connecting shaft 13 and a right connecting shaft 14, the left connecting shaft 13 and the right connecting shaft 14 are both fixed on a base 16, a sand outlet 22 is arranged at the bottom of the sand adding groove 1, the sand outlet 22 is connected with a sand outlet plate 19 in a sliding manner, a buffer groove 4 is arranged below the sand outlet 22, the buffer groove 4 is fixedly connected with the bottom of the sand adding groove 1 through a connecting frame, a second sand outlet is arranged at the bottom of the buffer groove 4, the second sand outlet is rotatably connected with a second sand outlet plate 21, and a vortex ring spring is arranged at the joint of the second sand outlet plate 21 and the second sand outlet, the bottom of the base 13 is provided with a rotating wheel 17, the base 16 is provided with a control panel 18, and the control panel 18 is electrically connected with the electric sliding rail 3.
Preferably, the bottom of the sand adding groove 1 is obliquely arranged, and the height of one end, close to the sand outlet 22, of the bottom of the sand adding groove 1 is lower than that of one end, far away from the sand outlet 22.
Preferably, the bottom of the buffer tank 4 is in a shape of a frustum pyramid, and the second sand outlet is located at the center of the bottom of the buffer tank 4.
Baffle 20 is arranged in buffer slot 4, baffle 20 and buffer slot 4 inner wall sliding connection. The size of the sand outlet is convenient to adjust according to different sand boxes.
Preferably, the end face of the sand outlet plate 19 is connected with an electric telescopic rod 11, the electric telescopic rod 11 is connected with the end face of the sand adding tank 1 through a support 12, and the electric telescopic rod 12 is electrically connected with a control panel 18. The falling speed and whether the molding sand falls can be automatically controlled.
Preferably, the left connecting shaft 13 includes a left fixed shaft 23 and a left movable shaft 24, the right connecting shaft 14 includes a right fixed shaft 27 and a right movable shaft 28, the left fixed shaft 23 is of a hollow structure with an opening at the top, a left screw 25 is arranged inside the left fixed shaft 23, the left screw 25 is connected with the bottom of the left movable shaft 24 through a left nut 26, the left screw 25 is connected with one end of a transmission shaft 31 through a worm transmission mode, the middle part of the transmission shaft 31 is connected with a right screw 29 through a worm transmission mode, the right screw 29 is arranged inside the right fixed shaft 27, the right screw 29 is connected with the bottom of the right movable shaft 28 through a right nut 30, the other end of the transmission shaft 31 passes through the right fixed shaft 27 to be connected with the rotating motor 15, the rotating motor 15 is arranged on the base 16, and the rotating motor 16 is electrically connected.
Preferably, a second electric slide rail 6 is arranged on a connecting plate below the electric slide rail 3, the second electric slide rail 6 is connected with a second electric telescopic rod 8 through a second slide block 7, the bottom of the second electric telescopic rod 8 is fixedly connected with a second connecting plate 9, and the second connecting plate 9 is connected with a pressing plate 10 through threads.
Preferably, the pressing plate 10 has multiple specifications, the pressing plate 10 is cuboid, and the width and the height of the pressing plate 10 are consistent and the length is different.
Preferably, the bottom of the connecting plate 5 is provided with an infrared sensor 32, and the infrared sensor 32 is electrically connected to the control panel 18. The falling height of the sand adding groove is controlled, and the collision between the sand adding groove and the sand box and the quantity of the molding sand in the sand box are prevented.
When the sand feeding device is used specifically, the molding sand is poured into the sand feeding groove 1, parameters are set through the control panel 18, the sand feeding device is started, the electric telescopic rod 11 moves the sand discharging plate 19 for a corresponding distance according to a set value, the molding sand in the sand feeding groove 1 falls into the buffer groove 4 under the action of gravity, when the weight of the molding sand in the buffer groove 4 does not reach a certain weight, the second sand discharging plate 21 plugs the second sand discharging hole under the action of the volute spring, when the weight reaches the upper limit of the volute spring, the second sand discharging plate 21 is opened, the molding sand falls into the sand box under the action of gravity, at the moment, the infrared sensor 32 monitors the falling of the molding sand, the electric slide rail 3 starts to drive the sand feeding groove 1 to move, the position of the sand feeding groove 1 is constantly changed, the molding sand falls everywhere in the sand box, after the molding sand falls into a certain time, under the drive of the second electric telescopic rod 8, the pressing plate 10 falls, carry out the compaction to the molding sand in the sandbox, and can carry out the compaction operation to the molding sand of different positions under the effect of second electric slide rail 6, after the molding sand in the sandbox is monitored to infrared sensor 32 and the setting value is reached, go out sand board 19 through electric telescopic handle 11 and reply the normal position, stop up sand outlet 22, and the molding sand quantity in buffer slot 4 reduces gradually, after the quantity reduces the setting value of volute spring, second goes out sand board 21 and replies the normal position, the molding sand stops to fall, the operation of adding the sand has been accomplished this moment.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides a disappearance mould casting is exempted from to arrange in order and is added sand device, includes and adds the sand groove, its characterized in that: the sand adding groove is of a top opening structure, the end face of the sand adding groove is connected with an electric slide rail through a slide block, the end face of the electric slide rail is fixed on a connecting plate, two ends of the connecting plate are respectively fixed on a left connecting shaft and a right connecting shaft, the left connecting shaft and the right connecting shaft are both fixed on a base, the bottom of the sand adding groove is provided with a sand outlet, the sand outlet is in sliding connection with a sand outlet plate, a buffer groove is arranged below the sand outlet, the buffer groove is fixedly connected with the bottom of the sand adding groove through a connecting frame, the bottom of the buffer groove is provided with a second sand outlet, the second sand outlet is in rotating connection with the second sand outlet plate, a volute spring is arranged at the joint of the second sand outlet plate and the second sand outlet, the bottom of the base is provided with a rotating wheel, the base is provided with a control panel, the control panel is electrically connected with the electric slide rail, the bottom of the sand adding groove is in an inclined arrangement, the height of the bottom, the buffer slot is internally provided with a baffle which is connected with the inner wall of the buffer slot in a sliding way.
2. The device for adding sand without finishing in lost foam casting according to claim 1, wherein: the bottom of the buffer groove is in a prismoid shape, and the second sand outlet is located at the center of the bottom of the buffer groove.
3. The device for adding sand without finishing in lost foam casting according to claim 1, wherein: the sand discharging plate end face is connected with an electric telescopic rod, the electric telescopic rod is connected with the sand adding groove end face through a support, and the electric telescopic rod is electrically connected with a control panel.
4. The device for adding sand without finishing in lost foam casting according to claim 1, wherein: the left connecting axle includes that left fixed axle and left remove the axle, the right connecting axle includes that right fixed axle and right remove the axle, left side fixed axle is open-top's hollow structure, the inside left screw rod that is equipped with of left fixed axle, left side screw rod passes through left nut and connects left removal axle bottom, left side screw rod passes through worm drive mode and links to each other with transmission shaft one end, the transmission shaft middle part passes through worm drive mode and links to each other with right screw rod, right screw rod is established inside right fixed axle, right screw rod passes through right nut and connects right removal axle bottom, the transmission shaft other end passes right fixed axle and links to each other with the rotating electrical machines, the rotating electrical machines is established on the base, the continuous control panel of rotating electrical.
5. The device for adding sand without finishing in lost foam casting according to claim 1, wherein: the electric slide rail is characterized in that a second electric slide rail is arranged on a connecting plate below the electric slide rail, the second electric slide rail is connected with a second electric telescopic rod through a second sliding block, the bottom of the second electric telescopic rod is fixedly connected with a second connecting plate, and the second connecting plate is connected with a pressing plate through threads.
6. The device for adding sand without finishing in lost foam casting according to claim 5, wherein: the clamp plate has multiple specifications, the clamp plate shape is the cuboid, and width is unanimous with the height between the different clamp plates, and length is different.
7. The device for adding sand without finishing in lost foam casting according to claim 1, wherein: the bottom of the connecting plate is provided with an infrared sensor, and the infrared sensor is electrically connected with the control panel.
CN201810696715.3A 2018-06-29 2018-06-29 Sand adding device free of arrangement in lost foam casting Active CN108941454B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810696715.3A CN108941454B (en) 2018-06-29 2018-06-29 Sand adding device free of arrangement in lost foam casting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810696715.3A CN108941454B (en) 2018-06-29 2018-06-29 Sand adding device free of arrangement in lost foam casting

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Publication Number Publication Date
CN108941454A CN108941454A (en) 2018-12-07
CN108941454B true CN108941454B (en) 2020-01-17

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110405137A (en) * 2019-07-23 2019-11-05 安徽大卫模具有限公司 A kind of dispellable mould casting sanding device
CN110976755B (en) * 2019-11-14 2021-08-20 安徽省繁昌县皖南阀门铸造有限公司 Sand distributing device capable of freely quantifying
CN112427601B (en) * 2020-11-23 2021-09-24 包头市晟裕机械制造有限责任公司 Sodium silicate sand molding sand adding device
CN114700460B (en) * 2022-03-09 2023-05-26 芜湖泓鹄材料技术有限公司 Movable self-discharging sand hopper device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2520787Y (en) * 2001-12-06 2002-11-20 朱念青 Antitheft delivery box
CN202291230U (en) * 2011-09-30 2012-07-04 刘成文 Embedded box molding sand buffering device for lost foam casting
CN103128234B (en) * 2013-02-28 2016-04-20 辉煌水暖集团有限公司 Automatically the core shooter system of sand is sent
CN204128339U (en) * 2014-08-20 2015-01-28 四川路加四通科技发展有限公司 Drying plant discharging structure
CN204603232U (en) * 2015-03-06 2015-09-02 溧阳市万盛铸造有限公司 Core shooter sanding device
CN107362888A (en) * 2017-08-30 2017-11-21 深圳市昱意科技有限公司 A kind of mixer feed arrangement with dust reduction capability

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