阅读说明：本技术 一种热塑性薄膜生产加工装置及方法 (Thermoplastic film production and processing device and method ) 是由 高殿斌 于 2021-03-31 设计创作，主要内容包括：本发明公开了一种热塑性薄膜生产加工装置及方法,包括机架,所述机架中转动连接两组辊体：第一组辊体由第一中间辊和第二中间辊组成,第二组辊体为由两个辊体组成的收料辊；所述收料辊的两个辊体分别固定连接有一个收料齿轮,两个所述收料齿轮互相啮合,其中一个所述收料齿轮同轴固定连接有同步轮；所述机架侧壁固定连接有动力盒,所述动力盒的外侧壁固定连接有驱动电机,所述动力盒内设置有一组互相啮合的同步齿轮。优点在于：可实时控制金属弹簧的接入电流,从而控制薄膜的张紧度,进而控制滑柱往复运动,从而使得两个动力圆台传输的速度发生变化,最终调节薄膜的张紧度,保证工作人员有足够的控制权限,便于对装置进行实时把控。(The invention discloses a thermoplastic film production and processing device and a thermoplastic film production and processing method, wherein the thermoplastic film production and processing device comprises a rack, wherein two groups of roller bodies are rotatably connected in the rack: the first group of roller bodies consists of a first middle roller and a second middle roller, and the second group of roller bodies is a material receiving roller consisting of two roller bodies; the two roller bodies of the material receiving roller are respectively and fixedly connected with a material receiving gear, the two material receiving gears are meshed with each other, and one of the material receiving gears is coaxially and fixedly connected with a synchronizing wheel; the side wall of the rack is fixedly connected with a power box, the outer side wall of the power box is fixedly connected with a driving motor, and a group of synchronous gears which are meshed with each other is arranged in the power box. Has the advantages that: but real-time control metal spring's access electric current to the rate of tension of control film, and then control traveller reciprocating motion, thereby make the speed of two power round platform transmissions change, finally adjust the rate of tension of film, guarantee that the staff has sufficient control authority, be convenient for carry out real-time the accuse to the device.)

1. A thermoplastic film produces processingequipment, includes frame (1), its characterized in that in frame (1) rotate and connect two sets of roll bodies:

the first group of roller bodies consists of a first middle roller (4) and a second middle roller (5), and the second group of roller bodies is a material receiving roller (6) consisting of two roller bodies;

two roller bodies of the material receiving roller (6) are respectively and fixedly connected with a material receiving gear (7), the two material receiving gears (7) are mutually meshed, and one material receiving gear (7) is coaxially and fixedly connected with a synchronizing wheel (8);

the side wall of the frame (1) is fixedly connected with a power box (2),

the outer side wall of the power box (2) is fixedly connected with a driving motor (3), a group of synchronous gears (14) which are meshed with each other are arranged in the power box (2), one gear of the synchronous gears (14) is coaxially and fixedly connected with an inner synchronous wheel, and the inner synchronous wheel is connected with a synchronous wheel (8) through a synchronous belt (9);

an output shaft of the driving motor (3) penetrates through the side wall of the power box (2) and is connected with an adjusting device, and the adjusting device is connected with the synchronous gear (14);

the first middle roller (4) comprises a first outer roller ring (41) and a first inner roller body (42) which are connected in a relatively sliding manner, and the second middle roller (5) comprises a second outer roller ring (51) and a second inner roller body (52) which are connected in a relatively sliding manner; the first intermediate roll (4) is connected to an adjusting device.

2. The thermoplastic film production and processing device as claimed in claim 1, wherein the synchronous gear (14) comprises two gears, and central shafts of the two gears are fixedly connected with the first intermediate roller (4) and the second intermediate roller (5) respectively;

adjusting device includes first power round platform (10) and second power round platform (11), first power round platform (10) and second power round platform (11) are overlapped jointly and are equipped with a power area (12), be provided with one control box (13) between first power round platform (10) and second power round platform (11), the inner wall fixed connection of control box (13) and power box (2), axle center department fixedly connected with synchronizing shaft (16) of first power round platform (10), the coaxial fixed connection of gear in synchronizing shaft (16) and synchronizing gear (14), axle center department fixedly connected with power shaft (15) of second power round platform (11), power shaft (15) and the coaxial fixed connection of output shaft of driving motor (3).

3. The production and processing device for the thermoplastic film as claimed in claim 2, wherein a sliding sleeve (18) is fixedly connected in the control box (13), a sliding column (19) is hermetically and slidably connected in the sliding sleeve (18), and a clamping plate (20) is fixedly connected to one end of the sliding column (19) far away from the sliding sleeve (18);

the lateral wall that control box (13) are close to two power round platforms has all seted up box groove (17), two box grooves (17) are run through in power area (12), splint (20) offset with power area (12), sliding sleeve (18) department is provided with power component.

4. The production and processing device of the thermoplastic film as claimed in claim 3, wherein the power assembly comprises a positioning plate (22) fixedly connected to the inner wall of the sliding sleeve (18), one side of the positioning plate (22) close to the sliding column (19) is fixedly connected with a metal spring (23), the metal spring (23) is fixedly connected with the sliding column (19), one side of the sliding sleeve (18) far away from the sliding column (19) is provided with a columnar sliding cavity (21), the sliding cavity (21) is internally and slidably connected with an electric connection plate (25), the electric connection plate (25) is connected with an electric conduction column (26) in a penetrating and sliding manner, and the electric conduction column (26) is fixedly connected with the inner wall of the sliding cavity (21).

5. The production and processing device for the thermoplastic film as claimed in claim 1, wherein a plurality of step grooves (45) are symmetrically formed in the middle of the circumferential side wall of the first inner roller body (42), a plurality of push rods (47) in sealing sliding connection with the step grooves (45) are arranged on the inner wall of the first outer roller ring (41), the sections of the push rods (47) and the step grooves (45) are uniform and L-shaped, and a compression spring (46) abutting against the push rods (47) is fixedly connected in each step groove (45).

6. The production and processing device for thermoplastic film as claimed in claim 4, wherein the inner wall of the first inner roller body (42) is provided with a plurality of liquid grooves (44) communicated with the step groove (45), the first inner roller body (42) is provided with a circular hole (43) communicated with the plurality of liquid grooves (44), and the circular hole (43) is connected with the adjusting device.

7. The thermoplastic film production and processing device as claimed in claim 6, wherein a control spring (27) is sleeved outside the conductive column (26), one end of the control spring (27) is fixedly connected with the inner wall of the sliding cavity (21), the other end of the control spring (27) is fixedly connected with the electric connection plate (25), a flow pipe (28) is communicated in the sliding cavity (21), and one end of the flow pipe (28) far away from the sliding cavity (21) is communicated with the round hole (43).

8. A method for producing and processing a thermoplastic film, characterized by comprising the steps of:

s1, enabling the blown film to pass through a first intermediate roller (4) and a second intermediate roller (5) and then to pass through a material receiving roller (6) in a winding mode;

s2, slowly rotating the material receiving roller (6) to enable the film to be tensioned and adjusting the material receiving roller (6) to enable the compression spring (46) to be in a compression state;

s3, introducing current to the control conductive column (26);

and S4, starting the driving motor (3) and enabling the clamping plate (20) to be located at the middle position of the box groove (17).

Technical Field

The invention relates to the technical field of film production, in particular to a device and a method for producing and processing a thermoplastic film.

Background

The thermoplastic film is produced by spraying liquid plastic and blowing the plastic into a shaped cavity by the force of wind blown by the machine, so as to produce the product, this equipment is called a blow molding machine; the film blow molding machine does not need a mold cavity, and when the cylindrical film prototype is blown out by wind power, the cylindrical film is rolled into a double-layer flat film by a corresponding rolling part, so that the production of the film is realized.

But the whole thickness of the film that prior art's blowing machine can't guarantee the blowing to accomplish is identical completely, just can appear the condition such as fold easily when subsequent tensile, rolling this moment, and the fold problem often accomplishes through tensioning stretching in prior art, but prior art's fold stretching can not guarantee to carry out accurate tensile to the film in real time, so lead to follow-up product quality not good enough easily.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a thermoplastic film production processing device and a thermoplastic film production processing method.

In order to achieve the purpose, the invention adopts the following technical scheme: a thermoplastic film production and processing device and method comprises a frame, wherein two groups of roller bodies are rotatably connected in the frame:

the first group of roller bodies consists of a first middle roller and a second middle roller, and the second group of roller bodies is a material receiving roller consisting of two roller bodies;

the two roller bodies of the material receiving roller are respectively and fixedly connected with a material receiving gear, the two material receiving gears are meshed with each other, and one of the material receiving gears is coaxially and fixedly connected with a synchronizing wheel;

the side wall of the machine frame is fixedly connected with a power box,

the outer side wall of the power box is fixedly connected with a driving motor, a group of mutually meshed synchronous gears are arranged in the power box, one gear of the synchronous gears is coaxially and fixedly connected with an inner synchronous wheel, and the inner synchronous wheel is connected with the synchronous wheel through a synchronous belt;

an output shaft of the driving motor penetrates through the side wall of the power box and is connected with an adjusting device, and the adjusting device is connected with the synchronous gear;

the first middle roller comprises a first outer roller ring and a first inner roller body which are in relative sliding connection, and the second middle roller comprises a second outer roller ring and a second inner roller body which are in relative sliding connection; the first intermediate roller is connected with an adjusting device.

In the thermoplastic film production processing device, the synchronous gear comprises two gears, and central shafts of the two gears are fixedly connected with the first intermediate roller and the second intermediate roller respectively;

adjusting device includes first power round platform and second power round platform, the common cover of first power round platform and second power round platform is equipped with a power strip, be provided with a control box between first power round platform and the second power round platform, the inner wall fixed connection of control box and power box, a synchronizing shaft of fixedly connected with is located to the axle center of first power round platform, a coaxial fixed connection of gear in synchronizing shaft and the synchronizing gear, a power shaft of fixedly connected with is located to the axle center of second power round platform, power shaft and driving motor's the coaxial fixed connection of output shaft.

In the thermoplastic film production processing device, a sliding sleeve is fixedly connected in the control box, a sliding column is connected in the sliding sleeve in a sealing and sliding manner, and one end of the sliding column, which is far away from the sliding sleeve, is fixedly connected with a clamping plate;

the lateral wall that the control box is close to two power round platforms has all seted up the box groove, the power band runs through two box grooves, splint and power band offset, sliding sleeve department is provided with power component.

In foretell thermoplastic film production processingequipment, power component includes the locating plate of fixed connection at the sliding sleeve inner wall, one side fixedly connected with metal spring that the locating plate is close to the traveller, metal spring and traveller fixed connection, a cylindrical smooth chamber has been seted up to one side that the traveller was kept away from to the sliding sleeve, the sealed sliding connection in the sliding chamber has one to connect the electroplax, it has one to lead electrical pillar to run through sliding connection on the electroplax, lead electrical pillar and sliding chamber inner wall fixed connection.

In the thermoplastic film production processing device, a plurality of step grooves are symmetrically formed in the middle of the circumferential side wall of the first inner roller body, a plurality of push rods in sliding connection with the step grooves in a sealing mode are arranged on the inner wall of the first outer roller ring, the cross sections of the push rods and the step grooves are uniform in L shape, and each step groove is internally and fixedly connected with a compression spring which abuts against the push rod.

In the thermoplastic film production processing device, the inner wall of the first inner roller body is provided with a plurality of liquid tanks communicated with the step tank, the first inner roller body is internally provided with a round hole communicated with the plurality of liquid tanks, and the round hole is connected with the adjusting device.

In foretell thermoplastic film production processingequipment, it is equipped with a control spring to lead electrical pillar overcoat, the one end and the smooth intracavity wall fixed connection of control spring, the other end of control spring with connect electric plate fixed connection, it has a runner pipe to link up in the smooth chamber, the one end and the round hole intercommunication of runner pipe keeping away from the smooth chamber.

A thermoplastic film production processing method comprises the following steps:

s1, enabling the blown film to pass through a first intermediate roller and a second intermediate roller, and then winding and passing through a material receiving roller;

s2, slowly rotating the material receiving roller to enable the film to be tensioned and adjusting the material receiving roller to enable the compression spring to be in a compression state;

s3, introducing current to the control conductive column;

and S4, starting the driving motor and enabling the clamping plate to be in the middle position of the box groove.

Compared with the prior art, the invention has the advantages that:

1. when the film is wrinkled due to abnormity in the blow molding stage, the compression spring can extend to enable the first outer roller ring to move relative to the first inner roller body so as to press the fluid in the step groove to move, so that the liquid flows in or out through the liquid tank, the electric connecting plate is driven to slide in the sliding cavity, the connection point of the conductive post and the electric connecting plate is changed, and the resistance connected with the conductive post is changed, the metal spring is connected with the current to change, and the metal spring is contracted when the current is connected, the larger the current is, the larger the shrinkage is, the reciprocating motion of the sliding column is controlled, so that the clamping plate moves to drive the power belt to displace relative to the two power round tables, therefore, the transmission speed of the two power round tables is changed, the tension degree of the film is finally adjusted, and the influence on the product quality caused by the conditions of fold and the like during final production is avoided.

2. According to the invention, the access current of the metal spring can be manually controlled in real time, so that the tension degree of the film is controlled, and the reciprocating motion of the sliding column is further controlled, so that the transmission speeds of the two power circular truncated cones are changed, the tension degree of the film is finally adjusted, the fact that a worker has enough control authority is ensured, and the device is convenient to handle and control in real time.

Drawings

FIG. 1 is a schematic structural diagram of a thermoplastic film production and processing apparatus according to the present invention;

FIG. 2 is an enlarged schematic view of the power circular table portion of the apparatus and method for manufacturing and processing thermoplastic film in accordance with the present invention;

FIG. 3 is a schematic cross-sectional view of a first intermediate roll portion of an apparatus and method for producing and processing a thermoplastic film in accordance with the present invention;

FIG. 4 is a schematic cross-sectional view of a control box portion of a thermoplastic film production processing apparatus and method according to the present invention;

figure 5 is an enlarged schematic view of the sliding sleeve portion of figure 4 according to the present invention.

In the figure: the automatic feeding device comprises a machine frame 1, a power box 2, a driving motor 3, a first middle roller 4, a first outer roller ring 41, a first inner roller 42, a circular hole 43, a liquid groove 44, a step groove 45, a compression spring 46, a push rod 47, a second middle roller 5, a second outer roller ring 51, a second inner roller 52, a material receiving roller 6, a material receiving gear 7, a synchronizing wheel 8, a synchronous belt 9, a first power circular table 10, a second power circular table 11, a power belt 12, a control box 13, a synchronizing gear 14, a power shaft 15, a synchronizing shaft 16, a box groove 17, a sliding sleeve 18, a sliding column 19, a clamping plate 20, a sliding cavity 21, a positioning plate 22, a metal spring 23, insulating liquid 24, a power connection plate 25, a conductive column 26, a control spring 27 and a circulation pipe 28.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-5, a thermoplastic film production and processing device and method comprises a frame 1, wherein two sets of roller bodies are rotatably connected in the frame 1: the first group of roller bodies consists of a first middle roller 4 and a second middle roller 5, and the second group of roller bodies is a material receiving roller 6 consisting of two roller bodies; the two groups of roller bodies jointly act to fix the thermoplastic film on the device;

the first middle roller 4 comprises a first outer roller ring 41 and a first inner roller body 42 which are connected in a relatively sliding manner, and the second middle roller 5 comprises a second outer roller ring 51 and a second inner roller body 52 which are connected in a relatively sliding manner; when the film is wrinkled due to abnormality in the blowing stage of the film, the compression spring 46 extends to enable the first outer roller ring 41 to move relative to the first inner roller body 42, so that the fluid in the stepped groove 45 is pressed to move, the liquid flows in or out through the liquid groove 44, and the electric plate 25 is driven to slide in the sliding cavity 21.

The first middle roller 4 is connected with the adjusting device, a power shaft 15 drives a second power circular table 11 to rotate during working, the second power circular table 11 drives a first power circular table 10 to rotate through a power belt 12, the first power circular table 10 drives a synchronous gear 14 to synchronously rotate through a synchronous shaft 16, the synchronous gear 14 drives a material receiving gear 7 to rotate through a synchronous belt 9, and the material receiving gear 7 drives a material receiving roller 6 to rotate, so that the film is shaped and stretched;

a plurality of step grooves 45 are symmetrically formed in the middle of the circumferential side wall of the first inner roller body 42, a plurality of push rods 47 in sealing sliding connection with the step grooves 45 are arranged on the inner wall of the first outer roller ring 41, the sections of the push rods 47 and the step grooves 45 are uniform and L-shaped, and a compression spring 46 abutting against the push rods 47 is fixedly connected in each step groove 45; under the normal operating condition, the two sets of roller bodies generate a certain pulling force on the film, at this time, the first outer roller ring 41 generates a certain relative movement with respect to the first inner roller body 42, that is, the compression spring 46 generates a certain compression amount, and the step groove 45 is filled with the insulating liquid 24.

A plurality of liquid tanks 44 communicated with the step tank 45 are formed in the inner wall of the first inner roller body 42, a round hole 43 communicated with the liquid tanks 44 is formed in the first inner roller body 42, and the round hole 43 is connected with an adjusting device; when the film loosens, the compression spring 46 will extend to make the first outer roller 41 move relatively to the first inner roller 42, so as to press the fluid in the step groove 45 to move, and further make the liquid flow in or out through the liquid groove 44, thereby driving the electric plate 25 to slide in the sliding cavity 21.

A control spring 27 is sleeved outside the conductive column 26, one end of the control spring 27 is fixedly connected with the inner wall of the sliding cavity 21, the other end of the control spring 27 is fixedly connected with the electric connection plate 25, a circulation pipe 28 is communicated in the sliding cavity 21, and one end, far away from the sliding cavity 21, of the circulation pipe 28 is communicated with the round hole 43; the connecting point of the conductive column 26 and the power plate 25 changes, and further the resistance connected to the conductive column 26 changes, that is, the current connected to the metal spring 23 changes, and the current connected to the metal spring 23 can contract, and the larger the current is, the larger the contraction amount is, so that the reciprocating motion of the sliding column 19 can be controlled, and the current connected to the metal spring 23 can contract, and the larger the contraction amount is, so that the reciprocating motion of the sliding column 19 can be controlled, so that the clamping plate 20 moves to drive the power belt 12 to displace relative to the two power circular tables, so that the transmission speed of the two power circular tables changes, and finally the tension of the film is adjusted, thereby avoiding the final production from affecting the product quality due to the occurrence of wrinkles and other conditions.

Two roller bodies of the material receiving roller 6 are respectively and fixedly connected with a material receiving gear 7, the two material receiving gears 7 are meshed with each other, one material receiving gear 7 is coaxially and fixedly connected with a synchronizing wheel 8, the synchronizing wheel 8 is used as a power source of the material receiving roller 6 and used for providing power for the material receiving roller 6, and the two material receiving rollers 6 rotate together under the action of the material receiving gear 7;

the side wall of the rack 1 is fixedly connected with a power box 2, the outer side wall of the power box 2 is fixedly connected with a driving motor 3, a group of synchronous gears 14 which are meshed with each other are arranged in the power box 2, one gear of the synchronous gears 14 is coaxially and fixedly connected with an inner synchronous wheel, the inner synchronous wheel is connected with a synchronous wheel 8 through a synchronous belt 9, the power box 2 inputs power from the driving motor 3, and then the power is transmitted to the synchronous gears 14 and the inner synchronous wheel, so that a first group of roller bodies and a second group of roller bodies are driven to rotate;

an output shaft of the driving motor 3 penetrates through the side wall of the power box 2 and is connected with an adjusting device, and the adjusting device is connected with the synchronous gear 14; the synchronous gear 14 comprises two gears, and central shafts of the two gears are fixedly connected with the first intermediate roller 4 and the second intermediate roller 5 respectively, so that the power transmission of the driving motor to the first group of roller bodies is completed;

the adjusting device comprises a first power circular truncated cone 10 and a second power circular truncated cone 11, a power belt 12 is sleeved on the first power circular truncated cone 10 and the second power circular truncated cone 11 together, a control box 13 is arranged between the first power circular truncated cone 10 and the second power circular truncated cone 11, the control box 13 is fixedly connected with the inner wall of the power box 2, a synchronizing shaft 16 is fixedly connected with the axis of the first power circular truncated cone 10, the synchronizing shaft 16 is coaxially and fixedly connected with one gear in the synchronizing gear 14, a power shaft 15 is fixedly connected with the axis of the second power circular truncated cone 11, and the power shaft 15 is coaxially and fixedly connected with an output shaft of the driving motor 3;

the side walls of the control box 13 close to the two power circular truncated cones are respectively provided with a box groove 17, the power belt 12 penetrates through the two box grooves 17, the clamping plate 20 is abutted against the power belt 12, a power assembly is arranged at the position of the sliding sleeve 18, the control box 13 is fixedly connected with a sliding sleeve 18, the sliding sleeve 18 is internally and hermetically connected with a sliding column 19 in a sliding manner, and one end of the sliding column 19 far away from the sliding sleeve 18 is fixedly connected with the clamping plate 20; the clamping plate 20 is used for limiting the power belt 12, so that the sliding column 19 can move to drive the power belt 12 to move.

The power assembly comprises a positioning plate 22 fixedly connected to the inner wall of the sliding sleeve 18, a metal spring 23 is fixedly connected to one side, close to the sliding column 19, of the positioning plate 22, the metal spring 23 is fixedly connected with the sliding column 19, a cylindrical sliding cavity 21 is formed in one side, far away from the sliding column 19, of the sliding sleeve 18, an electric connection plate 25 is connected in the sliding cavity 21 in a sealing and sliding mode, a conductive column 26 penetrates through and is connected to the electric connection plate 25 in a sliding mode, and the conductive column 26 is fixedly connected with the inner wall of the sliding cavity 21.

A thermoplastic film production processing method comprises the following steps:

s1, enabling the blown film to pass through a first intermediate roller 4 and a second intermediate roller 5, and then winding and passing through a material receiving roller 6;

s2, slowly rotating the material receiving roller 6 to enable the film to be tensioned, and adjusting the material receiving roller 6 to enable the compression spring 46 to be in a compression state;

s3, supplying current to the control conductive pillar 26;

s4, the driving motor 3 is started and the clamp plate 20 is positioned at the middle position of the cartridge slot 17.

When the device is used for producing a film, a driving motor 3 is started to drive a power shaft 15 to rotate, the power shaft 15 drives a second power circular table 11 to rotate, the second power circular table 11 drives a first power circular table 10 to rotate through a power belt 12, the first power circular table 10 drives a synchronous gear 14 to synchronously rotate through a synchronous shaft 16, the synchronous gear 14 drives a material receiving gear 7 to rotate through a synchronous belt 9, and the material receiving gear 7 drives a material receiving roller 6 to rotate, so that the film is shaped and stretched;

under a normal working state, the two groups of roller bodies generate certain pulling force on the film, at the moment, the first outer roller ring 41 generates certain relative motion relative to the first inner roller body 42, namely, the compression spring 46 generates certain compression amount, and the step groove 45 is filled with the insulating liquid 24; when the film is wrinkled due to an abnormal condition in the film blowing stage, the compression spring 46 will extend to move the first outer roller ring 41 relative to the first inner roller 42, so as to press the fluid in the step groove 45, so as to make the liquid flow in or out through the liquid tank 44, and then drive the electric plate 25 to slide in the slide cavity 21, the connection point of the conductive column 26 and the electric plate 25 changes, and further the resistance connected to the conductive column 26 changes, the metal spring 23 is connected with current to change, and the metal spring 23 is connected with current to shrink, the larger the current is, the larger the contraction quantity is, the reciprocating motion of the sliding column 19 is controlled, so that the clamping plate 20 moves to drive the power belt 12 to displace relative to the two power circular truncated cones 11, therefore, the transmission speed of the two power round tables is changed, the tension degree of the film is finally adjusted, and the influence on the product quality caused by the conditions of fold and the like during final production is avoided.

Although the terms of the frame 1, the power box 2, the driving motor 3, the first intermediate roller 4, the first outer roller ring 41, the first inner roller body 42, the circular hole 43, the liquid groove 44, the step groove 45, the compression spring 46, the push rod 47, the second intermediate roller 5, the second outer roller ring 51, the second inner roller body 52, the material receiving roller 6, the material receiving gear 7, the synchronizing wheel 8, the synchronizing belt 9, the first power circular table 10, the second power circular table 11, the power belt 12, the control box 13, the synchronizing gear 14, the power shaft 15, the synchronizing shaft 16, the box groove 17, the sliding sleeve 18, the sliding column 19, the clamping plate 20, the sliding cavity 21, the positioning plate 22, the metal spring 23, the insulating liquid 24, the power receiving plate 25, the conductive column 26, the control spring 27, the flow pipe 28, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.