CN111299522B - Mold starter for casting with two speeds - Google Patents
Mold starter for casting with two speeds Download PDFInfo
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- CN111299522B CN111299522B CN202010213631.7A CN202010213631A CN111299522B CN 111299522 B CN111299522 B CN 111299522B CN 202010213631 A CN202010213631 A CN 202010213631A CN 111299522 B CN111299522 B CN 111299522B
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- chuck
- mold
- planetary gear
- screw
- stripping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C19/00—Components or accessories for moulding machines
- B22C19/06—Devices for rapping or loosening the pattern
Abstract
A mold stripping machine with two speeds for casting comprises a frame, a gland, a turntable, a limit nut, a lock nut, an upper chuck, a chuck cover, a lower chuck, a fixing nut, a screw shaft, a duplex planetary gear, a gland screw, a mold stripping screw, an adjusting nut, a mold stripping plate, a casting mold and a sand box, wherein the mold stripping machine can take a model out of the sand box by utilizing the mold stripping plate, the screw shaft and the like; the advantages of the mold stripping machine are: the mold stripping speed can be greatly reduced, so that the large covering force of the molding sand on the mold can be overcome, and the integrity of the mold can be effectively maintained; after the mold is drawn for a certain distance, the coating force on the mold is reduced, the required mold drawing force is also gradually reduced, and at the moment, the mold drawing speed can be rapidly changed by the mold drawing machine, so that the efficiency is improved.
Description
Technical Field
The invention relates to the field of mold manufacturing and use, in particular to a mold stripping tool and a method suitable for casting molds made of different materials such as wood molds, metal molds, plastic molds and the like, and particularly relates to a mold stripping machine with two speeds for casting.
Background
The mold stripping of the common sand mold casting generally uses a screw rod for stripping, a stripping screw hole is arranged on the mold, the stripping screw rod is screwed into the screw hole during stripping, and then the screw rod is grasped to take out the mold from the casting mold. The disadvantage of this method is that when the mold is large, the mold is very difficult to be drawn by hand due to the large wrapping force to which the mold is subjected, and the drawing speed is not well controlled, so the applicant has designed a mold-drawing machine for casting having two speeds.
Disclosure of Invention
To solve the above existing problems. The invention provides a mold stripping machine with two speeds for casting, which can ensure that the mold stripping starting speed is very slow in the work of the mold stripping machine, thus being beneficial to ensuring the mold stripping quality; after the die is drawn for a certain distance, the die drawing speed is accelerated, and the efficiency is improved. The planetary gear train is utilized to ensure that the mold stripping machine obtains a larger transmission ratio in a smaller space, so that the equipment has simple structure and lower equipment cost, and the purpose is achieved:
the invention provides a mold starter for casting with two speeds, which comprises a frame, a gland, a rotary table, a limit nut, a locking nut, an upper chuck, a chuck cover, a lower chuck, a fixing nut, a screw shaft, a duplex planetary gear, a gland screw, a mold-drawing screw, an adjusting nut, a mold-drawing disc, a casting mold and a sand box, wherein the bottom of the rotary table is provided with a flange; the bottom of the screw shaft is provided with screw threads, and a die drawing disk threaded hole in the middle of the die drawing disk is in threaded connection with the lower end of the screw shaft; the guide post hole of the mold stripping disc is penetrated by a guide post on the rack, and the chuck cover is connected with the lower chuck through the internal thread of the chuck cover and the tooth-shaped part thread of the lower chuck; when the lower chuck is reset, the tooth-shaped part of the lower chuck is superposed with the tooth-shaped part of the chuck cover; the lower chuck moves from top to bottom and is penetrated by the screw shaft, the clamping pin hole is penetrated by the corresponding clamping pin on the rotary table, and the limiting nut is screwed on the clamping pin; the duplex planetary gear penetrates through the turntable gear hole and the lower chuck gear hole from bottom to top, the upper part of the duplex planetary gear is provided with duplex planetary gear threads, and the duplex planetary gear is axially positioned by a fixing nut; the upper end of the screw shaft is provided with an upper end thread, and the upper chuck is fixed on the screw shaft by a key and is axially positioned by a convex shoulder and a locking nut; the central gear is arranged in the middle of the screw shaft, the upper portion of the duplex planetary gear is provided with the upper planetary gear, the lower portion of the duplex planetary gear is provided with the lower planetary gear, the upper planetary gear is meshed with the central gear of the screw shaft, the lower planetary gear is meshed with the fixed gear on the upper portion of the rack, the number of the stripping screws is four, the four stripping screws penetrate through the straight grooves of the corresponding stripping discs and are in threaded connection with the corresponding threaded holes of the casting molds, and the casting molds are arranged on the corresponding sand boxes.
As a further improvement of the invention, the upper part of the stripping screw is provided with an adjusting nut, and the adjusting nut is rotated to be pressed on the upper surface of the stripping plate during operation.
As a further improvement of the invention, a handle is arranged on one side of the rotating disc, and the operation can be convenient through the handle.
The invention provides a mold stripping machine with two speeds for casting, which can take out a mold from a sand box by utilizing a mold stripping disc, a screw shaft and the like; the advantages of the mold stripping machine are: the mold stripping speed can be greatly reduced, so that the large covering force of the molding sand on the mold can be overcome, and the integrity of the mold can be effectively maintained; after the mold is drawn for a certain distance, the coating force on the mold is reduced, the required mold drawing force is also gradually reduced, and at the moment, the mold drawing speed can be rapidly changed by the mold drawing machine, so that the efficiency is improved.
Drawings
FIG. 1 is a general schematic of the present invention;
FIG. 2 is a partial schematic view of the first embodiment of the present invention;
FIG. 3 is a partial schematic view of the present invention;
FIG. 4 is a partial schematic view of the third embodiment of the present invention;
FIG. 5 is a partial schematic view of the present invention;
FIG. 6 is a partial schematic view of the present invention;
FIG. 7 is a sixth schematic view of a portion of the present invention;
FIG. 8 is a seventh partial schematic view of the present invention;
FIG. 9 is a partial schematic view eight of the present invention;
FIG. 10 is a state diagram of the mechanism after the lower chuck of the present invention has been moved upward.
Illustration of the drawings:
1. a frame; 1-1, a frame body; 1-2, disc track; 1-3, a fixed gear; 1-4, round holes; 1-5, guide posts; 2. a gland; 3. a turntable; 3-1, a handle; 3-2, a bayonet lock; 3-3, rotating shaft center hole; 3-4, a turntable gear hole; 3-5, flanges; 4. a limit nut; 5. locking the nut; 6. an upper chuck; 7. a chuck cover; 7-1, a tooth-shaped part of the chuck cover; 7-2, internal threads; 7-3, a central hole of the chuck cover; 8. a lower chuck; 8-1, a pin clamping hole; 8-2, a tooth-shaped part of the lower chuck; 8-3, tooth-shaped part threads; 8-4, a lower chuck gear hole; 9. fixing a nut; 10. a screw shaft; 10-1 upper end thread; 10-2, a central gear; 10-3, screw threads of a lead screw; 11. a duplex planetary gear; 11-1, double planetary gear threads; 11-2 upper planetary gears; 11-3, lower planetary gear; 12. a gland screw; 13. stripping the die screw; 14. adjusting the nut; 15. a mold stripping disc; 15-1 guide post hole; 15-2 straight grooves; 15-3, drawing a threaded hole of a die plate; 16. casting; 17. and (4) a sand box.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
the invention provides a mold stripping machine with two speeds for casting, which can ensure that the mold stripping starting speed is very slow in the work of the mold stripping machine, thus being beneficial to ensuring the mold stripping quality; after the die is drawn for a certain distance, the die drawing speed is accelerated, and the efficiency is improved. The planetary gear train is utilized to ensure that the mold stripping machine obtains a larger transmission ratio in a smaller space, so that the equipment structure is simple and the equipment cost is lower.
As an embodiment of the invention, the invention provides a casting mold stripping machine with two speeds, which comprises a frame 1, a gland 2, a rotary table 3, a limit nut 4, a lock nut 5, an upper chuck 6, a chuck cover 7, a lower chuck 8, a fixed nut 9, a screw shaft 10, a duplex planetary gear 11, a gland screw 12, a mold stripping screw 13, an adjusting nut 14, a mold stripping disc 15, a casting mold 16 and a sand box 17, the bottom of the rotary table 3 is provided with a flange 3-5, the rotary table 3 is fixed on a circular track 1-2 of a frame body 1-1 in the frame 1 by a gland 2 and a gland screw 12 and freely rotates around an axis along the circular track 1-2, the screw shaft 10 passes through a rotating shaft center hole 3-3 of the turntable 3, a chuck cover center hole 7-3 and a round hole 1-4 of a fixed gear 1-3 at the upper part of the frame 1; the bottom of the screw shaft 10 is provided with a screw thread 10-3, and a die drawing disk thread hole 15-3 in the middle of the die drawing disk 15 is in threaded connection with the lower end of the screw shaft 10; the guide post hole 15-1 of the mold stripping disc 15 is penetrated by a guide post 1-5 on the frame 1, and the chuck cover 7 and the lower chuck 8 are connected through an internal thread 7-2 of the chuck cover 7 and a tooth-shaped part thread 8-3 of the lower chuck 8; when resetting, the tooth-shaped part 8-2 of the lower chuck is superposed with the tooth-shaped part 7-1 of the chuck cover; the lower chuck 8 moves from top to bottom and is penetrated by the screw shaft 10, the clamping pin hole 8-1 is penetrated by the corresponding clamping pin 3-2 on the rotary table 3, and the limiting nut 4 is screwed on the clamping pin 3-2; the duplex planetary gear 11 penetrates through a turntable gear hole 3-4 and a lower chuck gear hole 8-4 from bottom to top, a duplex planetary gear thread 11-1 is arranged at the upper part of the duplex planetary gear 11, and a fixing nut 9 is used for carrying out axial positioning; the upper end of the screw shaft 10 is provided with an upper end thread 10-1, and the upper chuck 6 is fixed on the screw shaft 10 by a key and is axially positioned by a convex shoulder and a locking nut 5; the central gear 10-2 is arranged in the middle of the screw shaft 10, the upper planetary gear 11-2 is arranged at the upper part of the duplex planetary gear 11, the lower planetary gear 11-3 is arranged at the lower part of the duplex planetary gear, the upper planetary gear 11-2 is meshed with the central gear 10-2 of the screw shaft 10, the lower planetary gear 11-3 is meshed with the fixed gear 1-3 at the upper part of the frame 1, four stripping screws 13 are arranged, the four stripping screws 13 penetrate through the straight grooves 15-2 of the corresponding stripping discs 15 and are in threaded connection with the corresponding threaded holes of the casting molds 16, and the casting molds 16 are arranged on the corresponding sand boxes 17.
As a specific embodiment of the invention, the invention provides a casting mold starter with two speeds as shown in figures 1-9, which comprises a frame 1, a gland 2, a turntable 3, a limit nut 4, a lock nut 5, an upper chuck 6, a chuck cover 7, a lower chuck 8, a fixing nut 9, a screw shaft 10, a duplex planetary gear 11, a gland screw 12, a stripping screw 13, an adjusting nut 14, a stripping plate 15, a casting mold 16 and a sand box 17, wherein one side of the turntable 3 is provided with a handle 3-1 which can be conveniently operated, the bottom of the turntable 3 is provided with a flange 3-5, the turntable 3 is fixed on a circular track 1-2 of a frame body 1-1 in the frame 1 by the gland 2 and the gland screw 12 and freely rotates along the circular track 1-2 around an axis, the screw shaft 10 passes through a central hole 3-3 of a rotating shaft 3 of the turntable 3, A central hole 7-3 of the chuck cover and a round hole 1-4 of a fixed gear 1-3 at the upper part of the frame 1; the bottom of the screw shaft 10 is provided with a screw thread 10-3, and a die drawing disk thread hole 15-3 in the middle of the die drawing disk 15 is in threaded connection with the lower end of the screw shaft 10; the guide post hole 15-1 of the mold stripping disc 15 is penetrated by a guide post 1-5 on the frame 1, and the chuck cover 7 and the lower chuck 8 are connected through an internal thread 7-2 of the chuck cover 7 and a tooth-shaped part thread 8-3 of the lower chuck 8; when resetting, the tooth-shaped part 8-2 of the lower chuck is superposed with the tooth-shaped part 7-1 of the chuck cover; the lower chuck 8 moves from top to bottom and is penetrated by the screw shaft 10, the clamping pin hole 8-1 is penetrated by the corresponding clamping pin 3-2 on the rotary table 3, and the limiting nut 4 is screwed on the clamping pin 3-2; the duplex planetary gear 11 penetrates through a turntable gear hole 3-4 and a lower chuck gear hole 8-4 from bottom to top, a duplex planetary gear thread 11-1 is arranged at the upper part of the duplex planetary gear 11, and a fixing nut 9 is used for carrying out axial positioning; the upper end of the screw shaft 10 is provided with an upper end thread 10-1, and the upper chuck 6 is fixed on the screw shaft 10 by a key and is axially positioned by a convex shoulder and a locking nut 5; the central gear 10-2 is arranged in the middle of the screw shaft 10, the upper planetary gear 11-2 is arranged at the upper part of the duplex planetary gear 11, the lower planetary gear 11-3 is arranged at the lower part of the duplex planetary gear, the upper planetary gear 11-2 is meshed with the central gear 10-2 of the screw shaft 10, the lower planetary gear 11-3 is meshed with the fixed gear 1-3 at the upper part of the frame 1, four stripping screws 13 are arranged, the four stripping screws 13 penetrate through the straight grooves 15-2 of the corresponding stripping discs 15 and are in threaded connection with the corresponding threaded holes of the casting molds 16, the upper parts of the stripping screws 13 are provided with adjusting nuts 14, and the adjusting nuts are rotated to be pressed on the upper surfaces of the stripping discs during operation, and the casting molds 16 are arranged on the corresponding sand boxes 17.
The working principle of the application is as follows:
the working principle is as follows: the sand box is positioned right below the screw shaft of the stripping machine; and sequentially adjusting the position of the stripping screw, screwing the stripping screw into a corresponding threaded hole of the casting mold, and rotating an adjusting nut on the stripping screw to tightly press the stripping screw on the upper surface of the stripping disc. The handle of the rotary table is rotated, the rotary table rotates, the lower chuck is driven to rotate by the bayonet lock on the rotary table, and the lower chuck rotates to drive the duplex planetary gear rod to rotate; at the moment, a fixed gear on the rack, a central gear on the screw shaft and a planet duplicate gear form a planetary gear train; the transmission ratio of the rotating speed of the screw shaft to the rotating speed of the handle can be greatly increased through the planetary gear train, and the handle rotates for one circle at the moment; the lead screw shaft can only rotate a small angle; therefore, the stripping speed of the stripping disc is very slow, so that the coating force of larger molding sand on the model is effectively overcome, and the damage of the stripping to the casting mould is greatly reduced; after the die is drawn for a certain distance, the coating force is greatly reduced, so that the die drawing speed can be increased; at the moment, the lower chuck is pulled upwards to a limit nut of the turntable, the tooth-shaped part of the lower chuck is meshed with the tooth-shaped part of the upper chuck, then the chuck cover is rotated to enable the tooth-shaped part of the chuck cover to be overlapped with the tooth-shaped part of the upper chuck, and the lower chuck is supported by the upper chuck and cannot move downwards; meanwhile, the lower chuck moves upwards to drive the planet duplex gear to move upwards, so that the duplex planet gear is staggered with the fixed gear and the central gear, and the gears are not meshed with each other any more; at the moment, the fixed gear, the central gear and the planetary gear do not form a planetary gear train any more; at this moment, the handle rotates and drives down the chuck and then rotates, because the tooth portion of chuck and the tooth portion intermeshing of last chuck down this moment, consequently go up the chuck and then rotate, go up the chuck rotation and drive screw shaft synchronous rotation promptly, the drive ratio at this moment becomes 1: 1, as shown in fig. 10; the mold stripping disc moves upwards at a higher speed, so that the transmission efficiency is high. When the model is separated from the sand box; moving the sand box away, reversing the handle to enable the screw rod shaft to descend and reset, reversing the stripping screw and stably taking out the model; and reversely rotating the chuck cover to enable the tooth-shaped part of the chuck cover to be staggered with the tooth part of the upper chuck, and the lower chuck is reset downwards under the action of gravity, and the tooth part of the lower chuck is disengaged from the tooth part of the upper chuck to finish resetting.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, but any modifications or equivalent variations made according to the technical spirit of the present invention are within the scope of the present invention as claimed.
Claims (1)
1. The utility model provides a casting is with machine of moulding start with two kinds of speed, includes frame (1), gland (2), carousel (3), stop nut (4), lock nut (5), go up chuck (6), chuck lid (7), lower chuck (8), fixation nut (9), lead screw axle (10), duplex planetary gear (11), gland screw (12), drawing screw (13), adjusting nut (14), drawing start dish (15), casting mould (16) and sand box (17), its characterized in that: a handle (3-1) is arranged on one side of the rotary table (3), a flange (3-5) is arranged at the bottom of the rotary table (3), the rotary table (3) is fixed on a circular track (1-2) of a frame body (1-1) in the frame (1) through a gland (2) and a gland screw (12) and freely rotates around an axis along the circular track (1-2), and the screw shaft (10) penetrates through a rotary shaft center hole (3-3) of the rotary table (3), a chuck cover center hole (7-3) and a circular hole (1-4) of a fixed gear (1-3) on the upper portion of the frame (1); the bottom of the screw shaft (10) is provided with screw threads (10-3), and a die drawing disk threaded hole (15-3) in the middle of the die drawing disk (15) is in threaded connection with the lower end of the screw shaft (10); a guide post hole (15-1) of the mold stripping disc (15) is penetrated by a guide post (1-5) on the rack (1), and the chuck cover (7) is connected with the lower chuck (8) through an internal thread (7-2) of the chuck cover (7) and a tooth-shaped part thread (8-3) of the lower chuck (8); when the chuck is reset, the tooth-shaped part (8-2) of the lower chuck is superposed with the tooth-shaped part (7-1) of the chuck cover; the lower chuck (8) moves from top to bottom, is penetrated by a screw shaft (10), and enables a clamping pin hole (8-1) to be penetrated by a corresponding clamping pin (3-2) on the rotary table (3) and a limiting nut (4) is screwed on the clamping pin (3-2); the duplex planetary gear (11) penetrates through a turntable gear hole (3-4) and a lower chuck gear hole (8-4) from bottom to top, a duplex planetary gear thread (11-1) is arranged at the upper part of the duplex planetary gear (11), and the duplex planetary gear is axially positioned by using a fixing nut (9); the upper end of the screw shaft (10) is provided with an upper end thread (10-1), and the upper chuck (6) is fixed on the screw shaft (10) by a key and is axially positioned by a convex shoulder and a locking nut (5); the central gear (10-2) is arranged in the middle of the screw shaft (10), the upper portion of the duplex planetary gear (11) is provided with an upper planetary gear (11-2), the lower portion of the duplex planetary gear (11) is provided with a lower planetary gear (11-3), the upper planetary gear (11-2) is meshed with the central gear (10-2) of the screw shaft (10), the lower planetary gear (11-3) is meshed with the fixed gear (1-3) on the upper portion of the rack (1), the number of the stripping screws (13) is four, the upper portion of each stripping screw (13) is provided with an adjusting nut (14), the four stripping screws (13) penetrate through the straight grooves (15-2) of the corresponding stripping discs (15) and are in threaded connection with the corresponding threaded holes of the casting molds (16), and the casting molds (16) are arranged on the corresponding sand boxes (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010213631.7A CN111299522B (en) | 2020-03-24 | 2020-03-24 | Mold starter for casting with two speeds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010213631.7A CN111299522B (en) | 2020-03-24 | 2020-03-24 | Mold starter for casting with two speeds |
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| Publication Number | Publication Date |
|---|---|
| CN111299522A CN111299522A (en) | 2020-06-19 |
| CN111299522B true CN111299522B (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010213631.7A Active CN111299522B (en) | 2020-03-24 | 2020-03-24 | Mold starter for casting with two speeds |
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| CN (1) | CN111299522B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111889631A (en) * | 2020-08-10 | 2020-11-06 | 马鞍山市兴隆铸造有限公司 | High-efficient sand core is along with unsteady compound die equipment of shape layer board |
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| CN102921905A (en) * | 2012-11-21 | 2013-02-13 | 宁夏共享集团有限责任公司 | Tool for solving difficult stripping of live feed of large-scale steel casting mould |
| CN103611883A (en) * | 2013-10-16 | 2014-03-05 | 慈溪市汇丽机电有限公司 | Sand mold and sand core internal movable block draft apparatus |
| CN204108236U (en) * | 2014-08-04 | 2015-01-21 | 成都新同高复合器材有限公司 | The die lifter of well seat well lid in the casting of V method |
| CN104308630A (en) * | 2014-10-15 | 2015-01-28 | 重庆金仑工业股份有限公司 | Micro feeding mechanism |
| CN104389973A (en) * | 2014-11-19 | 2015-03-04 | 陈昊书 | Micro feed device |
| CN105195688A (en) * | 2015-11-02 | 2015-12-30 | 上海宝钢铸造有限公司 | Sand mold sample stripping device and stripping method |
| CN105344948A (en) * | 2015-09-29 | 2016-02-24 | 荣昌县金益铸业有限公司 | Casting drawing device and drawing method thereof |
| KR101660879B1 (en) * | 2015-11-17 | 2016-09-29 | 티아이씨(주) | Handle assembly for grander |
-
2020
- 2020-03-24 CN CN202010213631.7A patent/CN111299522B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102921905A (en) * | 2012-11-21 | 2013-02-13 | 宁夏共享集团有限责任公司 | Tool for solving difficult stripping of live feed of large-scale steel casting mould |
| CN103611883A (en) * | 2013-10-16 | 2014-03-05 | 慈溪市汇丽机电有限公司 | Sand mold and sand core internal movable block draft apparatus |
| CN204108236U (en) * | 2014-08-04 | 2015-01-21 | 成都新同高复合器材有限公司 | The die lifter of well seat well lid in the casting of V method |
| CN104308630A (en) * | 2014-10-15 | 2015-01-28 | 重庆金仑工业股份有限公司 | Micro feeding mechanism |
| CN104389973A (en) * | 2014-11-19 | 2015-03-04 | 陈昊书 | Micro feed device |
| CN105344948A (en) * | 2015-09-29 | 2016-02-24 | 荣昌县金益铸业有限公司 | Casting drawing device and drawing method thereof |
| CN105195688A (en) * | 2015-11-02 | 2015-12-30 | 上海宝钢铸造有限公司 | Sand mold sample stripping device and stripping method |
| KR101660879B1 (en) * | 2015-11-17 | 2016-09-29 | 티아이씨(주) | Handle assembly for grander |
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| CN111299522A (en) | 2020-06-19 |
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Effective date of registration: 20221221 Address after: 315000 He Jia Industrial Zone, Gulin Town, Haishu District, Ningbo City, Zhejiang Province Patentee after: Ningbo Sanwei Jingshi Technology Co.,Ltd. Address before: No. 99 Jiangning Road, Nanjing District hirokage 210000 cities in Jiangsu Province Patentee before: JINLING INSTITUTE OF TECHNOLOGY |