阅读说明：本技术 一种包芯线喂丝球化处理包盖升降机构 (Core-spun yarn feeding spheroidizing ladle cover lifting mechanism ) 是由 张锐龙 姜丽 于 2020-07-17 设计创作，主要内容包括：本发明公开了一种包芯线喂丝球化处理包盖升降机构,包括顶板、升降驱动系统、包盖和限位装置,所述顶板上设有支架、主轴座、副轴座一和副轴座二,所述副轴座一上转动设有副链轮一,所述副轴座二上转动设有副链轮二；所述升降驱动系统由气缸、单连接头、第一链条、主轴、第二链条、双连接头、第三链条、第四链条和吊耳组成；所述包盖与吊耳连接,所述限位装置设于主轴端部,实现了包盖稳定自动升降,避免工人发生烫伤的工伤事故,升降的位置由传感器控制,使得每次包盖距离铁液液面高度相同,保证了球化效果,另外包盖上的长槽,适应了铁液包的两个吊装耳座。(The invention discloses a core-spun yarn feeding spheroidizing ladle cover lifting mechanism which comprises a top plate, a lifting driving system, a ladle cover and a limiting device, wherein a support, a main shaft seat, an auxiliary shaft seat I and an auxiliary shaft seat II are arranged on the top plate; the lifting driving system consists of an air cylinder, a single connector, a first chain, a main shaft, a second chain, a double connector, a third chain, a fourth chain and a lifting lug; the ladle cover is connected with the lifting lug, the limiting device is arranged at the end part of the main shaft, the stable and automatic lifting of the ladle cover is realized, the industrial accident that workers are scalded is avoided, the lifting position is controlled by a sensor, the distance between the ladle cover and the liquid level of molten iron is the same at every time, the spheroidization effect is ensured, and in addition, the long grooves on the ladle cover adapt to two lifting lug seats of the molten iron ladle.)

1. The utility model provides a core-spun yarn wire feeding balling handle be built by contract elevating system which characterized in that: the lifting mechanism comprises a top plate (1), a lifting driving system (2), a covering cover (3) and a limiting device (4), wherein a support (10), a main shaft seat (11), an auxiliary shaft seat I (12) and an auxiliary shaft seat II (13) are arranged on the top plate (1), an auxiliary chain wheel I (12-1) is rotatably arranged on the auxiliary shaft seat I (12), and an auxiliary chain wheel II (13-1) is rotatably arranged on the auxiliary shaft seat II (13);

the lifting driving system (2) consists of an air cylinder (20), a single connecting head (21), a first chain (22), a main shaft (23), a second chain (24), a double connecting head (25), a third chain (26), a fourth chain (27) and lifting lugs (28), the air cylinder (20) is fixedly connected with the upper end of the support (10), the single connecting head (21) is fixedly connected with the end part of a piston rod of the air cylinder (20), the main shaft (23) is rotatably connected with the main shaft seat (11), a chain wheel I (23-1) is arranged in the middle of the main shaft (23), chain wheel II (23-2) is arranged at two ends of the main shaft (23), one end of the first chain (22) is hinged with the single connecting head (21), the other end of the first chain is wound and fixed with the chain wheel I (23-1), one end of the second chain (24) is wound and fixed with the chain wheel II (23-2), the other end of the third chain (26) is hinged with the double-connection joint (25), one end of the third chain (26) is hinged with the lower end of the double-connection joint (25), the other end of the third chain is hinged with the lifting lug (28), the third chain (26) strides over from the auxiliary chain wheel I (12-1), one end of the fourth chain (27) is hinged with the upper end of the double-connection joint (25), the other end of the fourth chain is hinged with the lifting lug (28), and the fourth chain (27) strides over from the auxiliary chain wheel II (13-1);

The ladle cover (3) is connected with a lifting lug (28), and the limiting device (4) is arranged at the end part of the main shaft (23).

2. The lifting mechanism for the covering cover of the cored wire for wire feeding and spheroidizing according to claim 1, characterized in that: the ladle cover (3) is symmetrically provided with long grooves (30), and the middle of the ladle cover (3) is provided with a ladle cover (31).

3. The lifting mechanism for the covering cover of the cored wire for wire feeding and spheroidizing according to claim 1, characterized in that: the novel smoke exhaust device is characterized in that a first wire passing hole (14) and a first smoke exhaust hole (15) are formed in the top plate (1), a second wire passing hole (32) and a second smoke exhaust hole (33) are formed in the ladle cover (3), the first wire passing hole (14) and the second wire passing hole (32) are communicated and connected through a corrugated pipe, and the first smoke exhaust hole (15) and the second smoke exhaust hole (33) are communicated and connected through a corrugated pipe.

4. The lifting mechanism for the covering cover of the cored wire for wire feeding and spheroidizing according to claim 1, characterized in that: the limiting device (4) is composed of a screw rod (40), a nut (41), an induction iron sheet (42), a first support (43) and a second support (44), the screw rod (40) is connected with the coaxial screw pair at the end part of the main shaft (23), the nut (41) is screwed on the screw rod (40), the induction iron sheet (42) is fixedly connected with the end part of the screw rod (40), the first support (43) and the second support (44) are connected with the top plate (1) and are respectively positioned on two sides of the main shaft (23), the first support (43) is provided with a first sensor (43-1), and the second support (44) is provided with a second sensor (44-1).

Technical Field

The invention belongs to the technical field of casting equipment, and particularly relates to a lifting mechanism for a covering cover of a core-spun yarn feeding spheroidizing treatment.

Background

At present, the wire feeding method is used for producing iron castings, namely, core-spun wires coated with alloy elements are directly inserted into molten iron to produce ductile iron, vermicular iron and inoculated cast iron.

In the core-spun yarn feeding method, when magnesium is in contact reaction with molten iron, the magnesium is quickly gasified and forms a certain magnesium steam pressure between the liquid level and the ladle cover, and the ladle cover is added on the molten iron ladle, so that the burning loss of the magnesium is reduced, the absorption rate of the magnesium is improved, and the magnesium light and smoke dust are reduced. The prior art covers are divided into fixed covers and movable covers. In addition, most of the existing ladle covers are formed by steel plates and built with refractory materials, on one hand, the whole process of covering the ladle cover on the molten iron ladle needs to be completed by means of auxiliary tools such as travelling cranes and the like due to heavy weight, the operation is difficult, and the proper pouring time is difficult to ensure.

The fixed ladle cover is generally fastened with the molten iron ladle by bolts, and is always connected with the molten iron ladle in the whole spheroidization process, because workers need to be in close contact with the molten iron ladle with high temperature to easily generate industrial accidents such as scalding and the like when the ladle cover is assembled and disassembled.

The self-lifting ladle cover method in the movable ladle cover has higher requirements on the device and can be completed only by manual tacit cooperation.

Disclosure of Invention

The invention provides a ladle cover lifting mechanism for core-spun yarn feeding spheroidization, which realizes stable and automatic lifting of a ladle cover and avoids industrial accidents of scalding workers, the lifting position is controlled by a sensor, so that the height of the ladle cover from the liquid level of molten iron is the same each time, the spheroidization effect is ensured, and in addition, a long groove on the ladle cover is adapted to two lifting lug seats of the molten iron ladle.

In order to achieve the purpose, the invention adopts the technical scheme that: a covering lifting mechanism for core-spun yarn feeding spheroidization comprises a top plate, a lifting driving system, a covering and a limiting device, wherein a support, a main shaft seat, an auxiliary shaft seat I and an auxiliary shaft seat II are arranged on the top plate, an auxiliary chain wheel I is arranged on the auxiliary shaft seat I in a rotating mode, and an auxiliary chain wheel II is arranged on the auxiliary shaft seat II in a rotating mode;

the lifting driving system consists of a cylinder, a single connector, a first chain, a main shaft, a second chain, a double connector, a third chain, a fourth chain and a lifting lug, the cylinder is fixedly connected with the upper end of the bracket, the single connector is fixedly connected with the end part of the piston rod of the cylinder, the main shaft is rotationally connected with the main shaft seat, a first chain wheel is arranged in the middle of the main shaft, a second chain wheel is arranged at two ends of the main shaft, one end of the first chain is hinged with the single connecting head, the other end of the first chain is wound and fixed with the first chain wheel, one end of the second chain is wound and fixed with the second chain wheel, the other end of the second chain is hinged with the double connecting head, one end of the third chain is hinged with the lower end of the double connecting head, the other end of the third chain is hinged with the lifting lug, the third chain spans from the first auxiliary chain wheel, one end of the fourth chain is hinged with the upper end of the double-connection joint, the other end of the fourth chain is hinged with the lifting lug, and the fourth chain spans from the second auxiliary chain wheel;

The ladle cover is connected with the lifting lug, and the limiting device is arranged at the end part of the main shaft.

Preferably, the ladle cover is symmetrically provided with long grooves, and the ladle cover is provided with a ladle cover in the middle.

Preferably, the top plate is provided with a first wire penetrating hole and a first smoke discharging hole, the ladle cover is provided with a second wire penetrating hole and a second smoke discharging hole, the first wire penetrating hole is communicated with the second wire penetrating hole through a corrugated pipe, and the first smoke discharging hole is communicated with the second smoke discharging hole through a corrugated pipe.

Preferably, stop device comprises screw rod, nut, response iron sheet, support one and support two, the screw rod is connected with the coaxial screw pair of main shaft tip, the nut is twisted on the screw rod, response iron sheet and screw rod tip fastening connection, support one and support two are connected with the roof, and are located the main shaft both sides respectively, be equipped with sensor one on the support one, be equipped with sensor two on the support two.

The beneficial effect of adopting above technical scheme is:

1. this covering wire balling process be built by contract elevating system is fed to cored wire, the iron liquid package that will be equipped with the molten iron is sent to under the be built by contract through the dolly, then start the cylinder among the lift actuating system, the piston rod of cylinder stretches out, single connector and first chain move down, a main shaft and sprocket clockwise rotate, two clockwise rotations of sprocket, then the second chain, double-link joint, third chain and fourth chain move to the right, then lug and be built by contract move down, make the be built by contract on the iron liquid package, otherwise, the piston rod shrink of cylinder, the be built by contract upward movement, the stable automatic rising of be built by contract has been realized, avoid the industrial injury accident that the workman takes place to scald.

2. Stop device comprises screw rod, nut, response iron sheet, support one and support two, the screw rod is connected with the coaxial screw pair of main shaft tip, the nut is twisted on the screw rod, the response iron sheet is connected with screw rod tip fastening, support one and support two are connected with the roof, and are located the main shaft both sides respectively, be equipped with sensor one on the support one, be equipped with sensor two on the support two, when response iron sheet is close to with sensor one, the piston rod shrink of cylinder stops, and the package lid up moves and stops, and when response iron sheet was close to with sensor two, the piston rod of cylinder stretches out and stops, and the package lid down moves and stops, and the position of going up and down is controlled by the sensor for at every turn the package lid is the same apart from the molten iron liquid level height, has guaranteed the balling effect.

Elongated slots are symmetrically arranged on the ladle cover and are adapted to two hoisting lug seats of the molten iron ladle; the bottom ladle cover is arranged in the middle of the ladle cover, so that the bottom ladle cover can be inserted into the molten iron ladle, and the sealing performance is ensured.

The top plate is provided with a first wire penetrating hole and a first smoke discharging hole, the ladle cover is provided with a second wire penetrating hole and a second smoke discharging hole, the first wire penetrating hole and the second wire penetrating hole are communicated and connected through a corrugated pipe, the first smoke discharging hole and the second smoke discharging hole are communicated and connected through a corrugated pipe, and the ladle cover can freely lift through the corrugated pipe without influencing the arrangement of a wire penetrating pipeline and a smoke discharging pipeline.

Drawings

FIG. 1 is an overall assembly view of the lifting mechanism of the covering for feeding and spheroidizing the cored wire;

FIG. 2 is a schematic view of a lift drive system;

wherein:

1. a top plate; 2. a lift drive system; 3. covering; 4. a limiting device;

10. a support; 11. a main shaft seat; 12. a first auxiliary shaft seat; 12-1, a first auxiliary chain wheel; 13. a secondary shaft seat II; 13-1 and a secondary chain wheel II; 14. a first threading hole; 15. a first smoke exhaust hole;

20. a cylinder; 21. a single connector; 22. a first chain; 23. a main shaft; 23-1, a first chain wheel; 23-2 and a second chain wheel; 24. a second chain; 25. a double connection joint; 26. a third chain; 27. a fourth chain; 28. lifting lugs;

30. a long groove; 31. a bottom ladle cover; 32. a second threading hole; 33. a second smoke exhaust hole;

40. a screw; 41. a nut; 42. sensing an iron sheet; 43. a first support; 43-1, sensor one; 44. a second support; 44-1 and a second sensor.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.

As shown in fig. 1 to 2, the lifting mechanism for the ladle cover for the core-spun yarn feeding spheroidization realizes the stable and automatic lifting of the ladle cover, avoids the industrial injury accident of scalding workers, ensures the same height of the ladle cover from the liquid level of molten iron each time by controlling the lifting position by a sensor, ensures the spheroidization effect, and is adapted to two lifting lug seats of the molten iron ladle by a long groove on the ladle cover.

Specifically, as shown in fig. 1 to 2, the lifting device comprises a top plate 1, a lifting driving system 2, a covering 3 and a limiting device 4, wherein a support 10, a main shaft seat 11, a first auxiliary shaft seat 12 and a second auxiliary shaft seat 13 are arranged on the top plate 1, a first auxiliary chain wheel 12-1 is rotatably arranged on the first auxiliary shaft seat 12, and a second auxiliary chain wheel 13-1 is rotatably arranged on the second auxiliary shaft seat 13;

the lifting driving system 2 comprises an air cylinder 20, a single connector 21, a first chain 22, a main shaft 23, a second chain 24, a double connector 25, a third chain 26, a fourth chain 27 and lifting lugs 28, the air cylinder 20 is tightly connected with the upper end of the support 10, the single connector 21 is tightly connected with the end part of a piston rod of the air cylinder 20, the main shaft 23 is rotatably connected with the main shaft seat 11, a chain wheel I23-1 is arranged in the middle of the main shaft 23, chain wheels II 23-2 are arranged at two ends of the main shaft 23, one end of the first chain 22 is hinged with the single connector 21, the other end of the first chain is wound and fixed with the chain wheel I23-1, one end of the second chain 24 is wound and fixed with the chain wheel II 23-2, the other end of the second chain is hinged with the double connector 25, one end of the third chain 26 is hinged with the lower end of the double connector 25, the other end of the third chain is hinged with, one end of the fourth chain 27 is hinged with the upper end of the double-connecting joint 25, the other end of the fourth chain 27 is hinged with the lifting lug 28, and the fourth chain 27 spans over the secondary chain wheel II 13-1;

The ladle cover 3 is connected with a lifting lug 28, and the limiting device 4 is arranged at the end part of the main shaft 23.

As shown in fig. 2, the ladle cover 3 is symmetrically provided with long slots 30, and a ladle cover 31 is arranged in the middle of the ladle cover 3.

As shown in fig. 1 and 2, a first threading hole 14 and a first smoke discharge hole 15 are formed in the top plate 1, a second threading hole 32 and a second smoke discharge hole 33 are formed in the bag cover 3, the first threading hole 14 and the second threading hole 32 are communicated and connected through a corrugated pipe, and the first smoke discharge hole 15 and the second smoke discharge hole 33 are communicated and connected through a corrugated pipe.

As shown in fig. 1, the limiting device 4 is composed of a screw 40, a nut 41, an induction iron sheet 42, a first support 43 and a second support 44, the screw 40 is coaxially and spirally connected with the end portion of the main shaft 23, the nut 41 is screwed on the screw 40, the induction iron sheet 42 is tightly connected with the end portion of the screw 40, the first support 43 and the second support 44 are connected with the top plate 1 and respectively located on two sides of the main shaft 23, the first support 43 is provided with the first sensor 43-1, and the second support 44 is provided with the second sensor 44-1.

The following specific working modes are illustrated by specific examples: