阅读说明：本技术 一种双锥桶式锌定量浇铸装置及作业方法 (Double-cone-barrel type zinc quantitative casting device and operation method ) 是由 张勇 潘神功 刘赫 胡馨丹 张旭 淦华洋 李愉徽 田运福 刘水长 于 2021-10-21 设计创作，主要内容包括：本发明公开了一种双锥桶式锌定量浇铸装置,包括腰部,腰部的顶部转动连接有大臂,大臂的顶部转动连接有小臂,小臂远离大臂的一端转动连接有腕部,腕部的底部设有法兰盘,法兰盘的底部固定连接有电机,电机的输出端设有滚珠丝杆,电机与滚珠丝杆之间设有减速器与联轴器,滚珠丝杆螺纹连接有丝杆螺母,本发明的有益效果：本取液装置通过机械臂将取液的锥桶放入锌液内,由于锥桶内外压力差相等,锌液从锥桶底部的浇铸孔进入锥桶内,通过超声波感应器感应锥桶的锌液液位,实现定量取液的目的,提高成品率；丝杆螺母的外部设有水套,通过水套中的冷却液将锥桶传导上来的热量带走,避免较高的温度传递到顶部的动力设备,提高设备安全性。(The invention discloses a double-cone-barrel type zinc quantitative casting device, which comprises a waist part, wherein the top of the waist part is rotatably connected with a large arm, the top of the large arm is rotatably connected with a small arm, one end of the small arm, which is far away from the large arm, is rotatably connected with a wrist part, the bottom of the wrist part is provided with a flange plate, the bottom of the flange plate is fixedly connected with a motor, the output end of the motor is provided with a ball screw, a reducer and a coupler are arranged between the motor and the ball screw, and the ball screw is in threaded connection with a screw nut, and the double-cone-barrel type zinc quantitative casting device has the beneficial effects that: the liquid taking device is characterized in that a conical barrel for taking liquid is placed into zinc liquid through a mechanical arm, the zinc liquid enters the conical barrel from a casting hole at the bottom of the conical barrel due to equal pressure difference between the inside and the outside of the conical barrel, and the liquid level of the zinc liquid in the conical barrel is sensed through an ultrasonic sensor, so that the purpose of quantitative liquid taking is realized, and the yield is improved; the outside of screw-nut is equipped with the water jacket, takes away the heat that the awl bucket conduction came up through the coolant liquid in the water jacket, avoids higher temperature to transmit the power equipment at top, improves the equipment security.)

1. The double-cone-barrel type zinc quantitative casting device is characterized by comprising a waist portion (9), wherein the top of the waist portion (9) is connected with a large arm (10) in a rotating mode, the top of the large arm (10) is connected with a small arm (11) in a rotating mode, one end, far away from the large arm (10), of the small arm (11) is connected with a wrist portion (12) in a rotating mode, a flange plate (13) is arranged at the bottom of the wrist portion (12), a motor (1) is fixedly connected with the bottom of the flange plate (13), a ball screw (4) is arranged at the output end of the motor (1), a speed reducer (2) and a coupler (3) are arranged between the motor (1) and the ball screw (4), a screw nut (5) is connected with the screw nut (5) through threads, a telescopic support (6.1) is arranged at the bottom of the screw nut (5), and a first screw (5.1) is connected between the screw nut (5) and the telescopic support (6.1), the bottom fixedly connected with of telescopic support (6.1) stretches pole (6), the bottom fixedly connected with of stretching pole (6) casts end cap (8), the below of casting end cap (8) is equipped with awl bucket (7), the bottom fixedly connected with davit shell (14) of ring flange (13), davit shell (14) are located the outside of ball screw (4), the bottom fixedly connected with connecting rod (15) of davit shell (14), the bottom and the awl bucket (7) fixed connection of connecting rod (15), the bottom middle part and the awl bucket (7) relative position fixedly connected with ultrasonic sensor (17) of davit shell (14), be equipped with mould (18) under awl bucket (7).

2. The double-cone-barrel type zinc quantitative casting device according to claim 1, wherein the ultrasonic sensor (17) is connected with a processor, the processor is electrically connected with the motor (1), and the ultrasonic sensor (17) senses the height of the zinc liquid in the cone barrel (7) and feeds the sensed height back to a PLC control system.

3. The double-cone-barrel type zinc quantitative casting device according to claim 1, characterized in that a water jacket (5.3), a baffle plate (5.4) and a sealing ring (5.2) are sleeved outside the screw nut (5), a second screw (5.5) is arranged between the baffle plate (5.4) and the water jacket (5.3), a hollow cylindrical space is formed among the water jacket (5.3), the baffle plate (5.4) and the screw nut (5), two small holes are formed in the end surface of the water jacket (5.3), and cooling liquid can respectively enter and flow out of the hollow cylindrical space from the two small holes to cool the ball screw (4).

4. The double-cone-barrel type zinc quantitative casting device according to claim 1, characterized in that a cylindrical roller bearing (4.1) is arranged at the bottom of the ball screw (4), a casting bearing seat (4.2) is arranged outside the cylindrical roller bearing (4.1), a connecting bearing seat (4.3) is sleeved outside the casting bearing seat (4.2), and the outside of the connecting bearing seat (4.3) is fixedly connected with the boom shell (14).

5. The double-cone-barrel type zinc quantitative casting device and the operation method thereof according to claim 1 are characterized in that the plug (8) is made of high-temperature-resistant ceramic material, the cone barrel (7) is made of high-temperature-resistant graphite material, a casting hole (16) is formed in the bottom of the cone barrel (7), and the casting hole (16) is located right below the plug (8) and is smaller than the maximum diameter of the plug (8).

6. The double-cone-barrel type zinc quantitative casting method adopted by the method is characterized by comprising the following steps:

t1, respectively butting a liquid inlet pipe and a liquid outlet pipe of cooling equipment with two special through holes of a water jacket 5.3, cooling the ball screw 4, and avoiding the upward conduction of higher temperature;

t2, controlling power equipment of the mechanical arm through a PLC control system, firstly driving the waist 9 to further drive the main body suspension arm to rotate in a horizontal space, enabling the conical barrel 7 to reach the upper part of a zinc liquid pool, then under the drive of the mechanical arm, the conical barrel 7 is inserted into the zinc liquid pool along with the main body suspension arm, zinc liquid in the conical barrel 7 enters the conical barrel 7 through a casting hole 16, after the zinc liquid in the conical barrel 7 reaches a preset value, a motor 1 drives a ball screw rod 4 to rotate after being decelerated by a speed reducer 2, and drives a plug 8 at the tail end of an extension rod 6 to plug the casting hole 16 to finish liquid taking of metal zinc liquid;

t3, after liquid taking is finished, the liquid moves in space along with the rotation motion of the mechanical arm; after the molten zinc reaches the die 18 on the casting production transmission line, the PLC control system drives the servo motor 1 to rotate, mechanical power is transmitted to the ball screw 4, the ball screw 4 drives the screw nut 5 to move in an upward translation mode, the plug 8 on the extension rod 6 indirectly connected with the screw nut 5 is lifted, and the molten zinc flows into the die 18 from the casting hole 16, so that one casting operation is completed.

Technical Field

The invention belongs to the technical field of metal smelting equipment, and particularly relates to a double-cone-barrel type zinc quantitative casting device and an operation method.

Background

Under the stimulation of market demands at home and abroad, the zinc ingot casting industry keeps a steady and rapid development trend, and in the zinc ingot casting industry, a zinc sheet formed by electrolyzing zinc is melted in a high-temperature heat preservation furnace, then is cast into a mold with a certain specification and size by a casting device, and finally is cooled to form an ingot with a certain standard specification through the procedures of slagging-off, demolding, trimming and the like. In the casting process, as the feeding into the heat preservation furnace is intermittent rather than continuous, the volume of the molten zinc in the heat preservation furnace can be changed due to the intermittent feeding and the continuous casting operation; the posture of the prior connecting rod type ladle casting device is fixed when zinc liquid is taken, and the volume change of the zinc liquid in the heat preservation furnace causes the volume of the zinc liquid scooped by the ladle to be different each time, thereby the quality error of cast ingots cannot be ensured; under the condition of continuous production, casting errors during feeding of the empty window become larger and larger, and the rejection rate is higher.

Disclosure of Invention

The invention aims to solve the problems and provide a double-cone-barrel type zinc quantitative casting device and an operation method.

In order to solve the above problems, the present invention provides a technical solution:

a double-cone-barrel type zinc quantitative casting device comprises a waist, wherein a large arm is rotatably connected to the top of the waist, a small arm is rotatably connected to the top of the large arm, one end, far away from the large arm, of the small arm is rotatably connected with a wrist, a flange is arranged at the bottom of the wrist, a motor is fixedly connected to the bottom of the flange, a ball screw is arranged at the output end of the motor, a speed reducer and a coupler are arranged between the motor and the ball screw, the ball screw is in threaded connection with a screw nut, a telescopic support is arranged at the bottom of the screw nut, a screw is connected between the screw nut and the telescopic support, an extension rod is fixedly connected to the bottom of the telescopic support, a casting plug is fixedly connected to the bottom of the extension rod, a cone barrel is arranged below the casting plug, a suspension arm shell is fixedly connected to the bottom of the flange, and the suspension arm shell is positioned outside the ball screw, the bottom fixedly connected with connecting rod of davit shell, the bottom and the awl bucket fixed connection of connecting rod, the bottom middle part of davit shell and the relative position fixedly connected with ultrasonic sensor of awl bucket, be equipped with the mould under the awl bucket.

As a preferable technical scheme of the invention, the ultrasonic sensor is connected with the processor, the processor is electrically connected with the motor, and the ultrasonic sensor senses the height of the zinc liquid in the cone barrel and feeds the height back to the PLC control system.

As a preferred technical scheme of the invention, a water jacket, a baffle plate and a sealing ring are sleeved outside the screw rod nut, a second screw is arranged between the baffle plate and the water jacket, a hollow cylindrical space is formed among the water jacket, the baffle plate and the screw rod nut, two small holes are formed in the end face of the water jacket, and cooling liquid can respectively enter and flow out of the hollow cylindrical space from the two small holes to cool the ball screw rod.

According to a preferable technical scheme of the invention, a cylindrical roller bearing is arranged at the bottom of the ball screw, a casting bearing seat is arranged outside the cylindrical roller bearing, a connecting bearing seat is sleeved outside the casting bearing seat, and the outside of the connecting bearing seat is fixedly connected with the suspension arm shell.

As a preferable technical scheme of the invention, the plug is made of a high-temperature-resistant ceramic material, the conical barrel is made of a high-temperature-resistant graphite material, a casting hole is formed in the bottom of the conical barrel, and the casting hole is located right below the plug and is smaller than the maximum diameter of the plug.

Preferably, the double-cone-barrel type zinc quantitative casting method comprises the following specific using steps:

t1, respectively butting a liquid inlet pipe and a liquid outlet pipe of cooling equipment with two special through holes of a water jacket, cooling the ball screw and avoiding the upward conduction of higher temperature;

t2, controlling power equipment of the mechanical arm through a PLC control system, firstly driving the waist 9 to further drive the main body suspension arm to rotate in a horizontal space, enabling the conical barrel to reach the upper part of the zinc liquid pool, then under the drive of the mechanical arm, the conical barrel is inserted into the zinc liquid pool along with the main body suspension arm, zinc liquid in the conical barrel enters the conical barrel through a casting hole, after the zinc liquid in the conical barrel reaches a preset value, a motor drives a ball screw to rotate after being decelerated by a speed reducer, and a plug at the tail end of an extension rod is driven to plug the casting hole to finish liquid taking of the metal zinc liquid;

t3, after liquid taking is finished, the liquid moves in space along with the rotation motion of the mechanical arm; when the zinc liquid reaches a mould on a casting production transmission line, the PLC control system drives the servo motor to rotate, mechanical power is transmitted to the ball screw, the ball screw drives the screw nut to move in an upward translation mode, a plug on the extension rod indirectly connected with the screw nut is lifted, and the zinc liquid flows into the mould from a casting hole to finish one casting operation;

the invention has the beneficial effects that: the liquid taking device is characterized in that a conical barrel for taking liquid is placed into zinc liquid through a mechanical arm, the zinc liquid enters the conical barrel from a casting hole at the bottom of the conical barrel due to equal pressure difference between the inside and the outside of the conical barrel, and the liquid level of the zinc liquid in the conical barrel is sensed through an ultrasonic sensor, so that the purpose of quantitative liquid taking is realized, and the yield is improved; the outside of screw-nut is equipped with the water jacket, takes away the heat that the awl bucket conduction came up through the coolant liquid in the water jacket, avoids higher temperature to transmit the power equipment at top, improves the equipment security.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a sectional view of the boom housing of the present invention;

FIG. 4 is a schematic view of a coupling structure of the cylindrical roller bearing of the present invention;

fig. 5 is a schematic view of a connection structure of the water jacket of the present invention.

In the figure: 1. a motor; 2. a speed reducer; 3. a coupling; 4. a ball screw; 4.1, cylindrical roller bearings; 4.2, casting a bearing seat; 4.3, connecting a bearing seat; 5. a feed screw nut; 5.1, screw I; 5.2, sealing rings; 5.3, water jacket; 5.4, a baffle plate; 5.5, screw II; 6. stretching the rod; 6.1, a telescopic support; 7. a conical barrel; 8. a plug; 9. a waist part; 10. a large arm; 11. a small arm; 12. a wrist portion; 13. a flange plate; 14. a boom housing; 15. a connecting rod; 16. a casting hole; 17. an ultrasonic sensor; 18. and (5) molding.

The specific implementation mode is as follows:

as shown in fig. 1 to 5, the following technical solutions are adopted in the present embodiment: a double-cone-barrel type zinc quantitative casting device comprises a waist portion 9, wherein the top portion of the waist portion 9 is rotatably connected with a large arm 10, the top portion of the large arm 10 is rotatably connected with a small arm 11, one end, far away from the large arm 10, of the small arm 11 is rotatably connected with a wrist portion 12, the bottom portion of the wrist portion 12 is provided with a flange 13, the bottom portion of the flange 13 is fixedly connected with a motor 1, the output end of the motor 1 is provided with a ball screw 4, a speed reducer 2 and a coupler 3 are arranged between the motor 1 and the ball screw 4, the ball screw 4 is in threaded connection with a screw nut 5, the bottom portion of the screw nut 5 is provided with a telescopic support 6.1, a first screw 5.1 is connected between the screw nut 5 and the telescopic support 6.1, the bottom portion of the telescopic support 6.1 is fixedly connected with an extension rod 6, the bottom portion of the extension rod 6 is fixedly connected with a casting plug 8, and a cone barrel 7 is arranged below the casting plug 8, the bottom of the flange plate 13 is fixedly connected with a suspension arm shell 14, the suspension arm shell 14 is located outside the ball screw 4, the bottom of the suspension arm shell 14 is fixedly connected with a connecting rod 15, the bottom of the connecting rod 15 is fixedly connected with the conical barrel 7, the middle of the bottom end of the suspension arm shell 14 is fixedly connected with an ultrasonic sensor 17 opposite to the conical barrel 7, and a mold 18 is arranged under the conical barrel 7.

The ultrasonic sensor 17 is connected with the processor, the processor is electrically connected with the motor 1, and the ultrasonic sensor 17 senses the height of the zinc liquid in the conical barrel 7 and feeds the height back to the PLC control system.

The ball screw is characterized in that a water jacket 5.3, a baffle 5.4 and a sealing ring 5.2 are sleeved outside the screw rod nut 5, a second screw 5.5 is arranged between the baffle 5.4 and the water jacket 5.3, a hollow cylindrical space is formed among the water jacket 5.3, the baffle 5.4 and the screw rod nut 5, two small holes are formed in the end face of the water jacket 5.3, and cooling liquid can enter and flow out of the hollow cylindrical space from the two small holes respectively to cool the ball screw 4.

The bottom of the ball screw 4 is provided with a cylindrical roller bearing 4.1, the outside of the cylindrical roller bearing 4.1 is provided with a casting bearing seat 4.2, the outside of the casting bearing seat 4.2 is sleeved with a connecting bearing seat 4.3, and the outside of the connecting bearing seat 4.3 is fixedly connected with the suspension arm shell 14.

The plug 8 is made of a high-temperature-resistant ceramic material, the cone barrel 7 is made of a high-temperature-resistant graphite material, a casting hole 16 is formed in the bottom of the cone barrel 7, and the casting hole 16 is located right below the plug 8 and smaller than the maximum diameter of the plug 8.

Specifically, when the invention is used, a liquid inlet and outlet pipe of cooling equipment is respectively butted with two special through holes of a water jacket 5.3 to cool a ball screw 4, so as to avoid higher temperature from being conducted upwards, power equipment of a mechanical arm is controlled by a PLC control system, firstly, a waist part 9 is driven to further drive a main body suspension arm to rotate in a horizontal space, a conical barrel 7 reaches the upper part of a zinc liquid pool, then, under the driving of the mechanical arm, the conical barrel 7 is inserted into the zinc liquid pool along with the main body suspension arm, zinc liquid in the conical barrel 7 enters the conical barrel 7 through a casting hole 16, after an ultrasonic sensor senses that the zinc liquid in the conical barrel 7 reaches a preset value, a signal is transmitted to the PLC control system, the PLC control system controls a motor 1 to drive the ball screw 4 to rotate after being decelerated by a speed reducer 2, a plug 8 at the tail end of an extension rod 6 is driven to plug the casting hole 16 to finish liquid taking of the metal zinc liquid, and after the liquid taking is finished, moving in space along with the rotation motion of the mechanical arm; after the molten zinc reaches the die 18 on the casting production transmission line, the PLC control system drives the servo motor 1 to rotate, mechanical power is transmitted to the ball screw 4, the ball screw 4 drives the screw nut 5 to move in an upward translation mode, the plug 8 on the extension rod 6 indirectly connected with the screw nut 5 is lifted, and the molten zinc flows into the die 18 from the casting hole 16, so that one casting operation is completed.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.