CN211481492U - Power on-off device for far infrared heating pipe of magnesium alloy plate strip coiling heating furnace - Google Patents
Power on-off device for far infrared heating pipe of magnesium alloy plate strip coiling heating furnace Download PDFInfo
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- CN211481492U CN211481492U CN202020389581.3U CN202020389581U CN211481492U CN 211481492 U CN211481492 U CN 211481492U CN 202020389581 U CN202020389581 U CN 202020389581U CN 211481492 U CN211481492 U CN 211481492U
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Abstract
The utility model discloses an on-off electric installation that is used for magnesium alloy slab band batch heating furnace far infrared heating pipe, include: the device comprises a first binding post, a second binding post and a pneumatic impact device, wherein the first binding post is used for connecting a power supply lead of a far infrared heating pipe, the second binding post is used for being electrically connected with the first binding post, and the pneumatic impact device is used for driving the second binding post to be in contact with or separated from the first binding post; the head of the first binding post is in axial contact with the head of the second binding post, the far infrared heating tube is electrified, and the far infrared heating tube is powered off when the far infrared heating tube is separated. This novel simple structure can realize the quick expert of far infrared heating pipe, cuts off the power supply, promotes the work efficiency of heating furnace.
Description
Technical Field
The utility model relates to a magnesium alloy winding tape processing technology, concretely relates to break-make electric installation that is used for magnesium alloy slab band batch heating furnace far infrared heating pipe.
Background
The magnesium alloy has the characteristics of small density, high specific strength and specific stiffness, good electric and thermal conductivity, no magnetism, good shielding property, no toxicity and the like, and also has the advantages of easy recovery, renewable utilization, environmental friendliness and the like, so the magnesium alloy material is known as a green structural material in the 21 st century, and is mainly applied to the fields of aerospace, national defense and military industry and the like, as well as plates for automobiles and trains, shells of 3C electronic products such as notebook computers, smart phones and the like, building plates, container plates and the like. The main production processes of the magnesium alloy plate strip include a double-roller casting and rolling blank supply method, an ingot casting hot rolling cogging method, an extrusion method and the like. The magnesium alloy thin plate and strip produced by the roll-type method has the remarkable advantages of strong production continuity, small product dimensional tolerance fluctuation, easy realization of automatic control, high yield, low production cost, large-scale industrial production, market popularization and application and the like, and becomes a hotspot of research and development and production of the magnesium alloy processing industry at home and abroad at present. A1 +1 type coil rolling production line formed by collinear arrangement of a hot rough rolling mill and a hot temperature finishing mill is a popular magnesium alloy plate strip production configuration form in China at present, in the production line, coiling heating furnaces are arranged at the front and the rear of the coil hot temperature finishing mill, and coiling machines are arranged in a cover type heating furnace, so that reciprocating coiling rolling and online heating of strips are realized. The coiling heating furnace is a key device of a steckel mill, so that the development of the coiling heating furnace with high production efficiency and safe and reliable quality is very important for magnesium alloy material production enterprises.
The far infrared radiation electric heating tube is called infrared radiation heating tube (also called far infrared heating tube) and is made up by using filament radiator made of high-temp. resistant rare metal, winding and sealing in special transparent quartz glass shell, vacuumizing and filling inert gas mixture. The infrared radiation energy with a certain wavelength generated by the heating pipe after being electrified has the remarkable characteristics of high strength, high heat efficiency, high penetrability and low energy consumption. The heating pipe can be used to make heating equipment such as heater, air heater, oven and drying tunnel, etc. to greatly improve working efficiency, shorten heating period, save heating energy and reduce production cost, thus it is widely used. And the infrared radiation heating technology has no pollution to the heated workpiece or the environment. Therefore, the far infrared radiation heating pipe is a real 'green product'.
The applicant of the application develops a magnesium alloy plate strip coiling heating furnace, a split furnace body is adopted, the furnace cover and a coiling machine can be separated and in an on-line state, the feeding and discharging are convenient, and the heating efficiency is high. The heating furnace adopts the far infrared heating pipe as a heating element, and the far infrared heating pipe is arranged in a hearth of the movable furnace body and moves along with the movable furnace body, so that equipment capable of realizing quick power on and power off of the far infrared heating pipe needs to be developed to be matched with the application of the magnesium alloy plate strip coiling heating furnace.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the application provides a power on/off device for a far infrared heating pipe of a magnesium alloy plate strip coiling heating furnace.
The utility model discloses a first technical scheme be: a make-and-break electric installation for magnesium alloy plate strip batch heating furnace far infrared heating pipe includes: the device comprises a first binding post, a second binding post and a pneumatic impact device, wherein the first binding post is used for connecting a power supply lead of a far infrared heating pipe, the second binding post is used for being electrically connected with the first binding post, and the pneumatic impact device is used for driving the second binding post to be in contact with or separated from the first binding post; the first wiring terminal is fixedly arranged on the sliding frame of the movable furnace body through a first wiring terminal support, and the head of the first wiring terminal faces the outer side of the furnace body and is vertical to the sliding frame; pneumatic percussion device includes support, cylinder support and second terminal support, and the rear end of side is installed on the support to the cylinder support, and the cylinder is installed on the cylinder support, and cylinder piston head and second terminal support fixed connection, second terminal are installed on second terminal support and are corresponded with first terminal axial, and the head of first terminal and the head axial contact of second terminal then far infrared heating pipe circular telegram, and the far infrared heating pipe outage is then separated.
The utility model discloses a second technical scheme be the improvement on first technical scheme, the utility model discloses a second technical scheme be: the pneumatic impact device further comprises terminal support sliding frames and rollers, the terminal support sliding frames are arranged on two sides of the second terminal support, sliding grooves are formed in two opposite side faces of the two terminal support sliding frames, the rollers are arranged on two sides of the second terminal support, and the rollers roll in the sliding grooves.
The utility model discloses a third technical scheme be the improvement on the second technical scheme, the utility model discloses a third technical scheme be: the pneumatic percussion device also comprises two guide rods and guide rod sliding seats, the two guide rods are symmetrically distributed on two sides of the piston rod, the front ends of the two guide rods are fixed on the wiring terminal support, and the rear ends of the two guide rods slide through the guide rod sliding seats fixed on the upper surface of the support.
The utility model discloses a fourth technical scheme be the improvement on first or second technical scheme, the utility model discloses a fourth technical scheme be: the first binding post comprises a short electrode, a first insulating seat and a first nut component; the first insulating seat is used for insulating and mounting the short electrode, the short electrode is made of brass and is provided with a head part and a tail part, and the tail part is provided with external threads; the short electrode penetrates through the central through hole of the first insulating seat, the head of the short electrode is abutted against the front end face of the first insulating seat, the tail of the short electrode is locked and fixed in the first insulating seat through a first nut component, and the first nut component is also used for clamping and fixing a power supply lead of the far infrared heating tube; the second wiring terminal is arranged in one-to-one correspondence with the first wiring terminal and comprises a long electrode, a second insulating seat and a second nut assembly, the second insulating seat is used for insulating and mounting the long electrode, the long electrode is made of brass and is provided with a head part and a tail part, and the tail part is provided with an external thread; the long electrode penetrates through a central through hole of the second insulating seat, the head of the long electrode is abutted against the front end face of the first insulating seat, the tail of the long electrode is locked and fixed in the second insulating seat through a second nut assembly, the second nut assembly is also used for connecting an external lead, and the first nut assembly and the second nut assembly are both made of brass.
The utility model discloses a fifth technical scheme be the improvement on the fourth technical scheme, the utility model discloses a fifth technical scheme be: the second wiring terminal further comprises a spiral spring, the spiral spring is sleeved on the long electrode, one end of the spring abuts against the second insulating seat, and the other end of the spring abuts against the head of the long electrode.
The utility model discloses a sixth technical scheme be the improvement on the fourth technical scheme, the utility model discloses a sixth technical scheme be: the first nut component and the second nut component both comprise two sets of combined structures of nuts and washers, the two sets of nuts and washers are symmetrically arranged, and the two washers are used for clamping and fixing a power supply lead or an external lead of the far infrared heating pipe relatively.
The utility model discloses a seventh technical scheme be the improvement on the fourth technical scheme, the utility model discloses a seventh technical scheme be: the first and second insulating bases are made of bakelite.
The utility model has the advantages that:
1. this novel simple structure can realize the quick expert of far infrared heating pipe, cuts off the power supply, promotes the work efficiency of heating furnace.
2. The two binding posts are pushed to be connected or separated by the air cylinder, so that the operation is simple and convenient, and the accurate control is easy.
Drawings
FIG. 1 is a schematic view of the installation of the novel power on/off device for the far infrared heating pipe of the magnesium alloy plate strip coiling heating furnace.
FIG. 2 is a schematic structural diagram of the novel power on/off device for the far infrared heating pipe of the magnesium alloy plate strip coiling heating furnace in a power-on state.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a side view of fig. 2.
FIG. 5 is a schematic structural diagram of the novel power on/off device for the far infrared heating pipe of the magnesium alloy plate strip coiling heating furnace in a power-off state.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and a preferred embodiment.
Embodiment mode 1
Referring to fig. 1, the power on/off device of the far infrared heating pipe provided by the present application is used for a magnesium alloy plate strip coiling heating furnace with the following structure, the magnesium alloy plate strip coiling heating furnace comprises a furnace body and a ground rail 40, the furnace body is composed of a fixed furnace body 10 and a movable furnace body 20, the ground rail 40 is fixed on a mounting surface, the fixed furnace body 10 is arranged on one side of the ground rail 40, the movable furnace body 20 is driven by a driving device 30 to move on the ground rail 40, the movable furnace body 20 is provided with an approximately cylindrical horizontal hearth with one sealed axial end, a plurality of far infrared heating pipes 60 are annularly arranged around a winding drum 1 in the hearth, the bottom of the movable furnace body 20 is connected with a sliding frame 211, the bottom of the sliding frame is provided with four idler wheels 41, the idler wheels 41 are driven by a driving motor 31 to roll along the ground rail 40, the movable furnace body 20 moves to one side of the fixed furnace body 10 along the ground rail 40.
Referring to fig. 2 to 5, the present embodiment provides a power on/off device for a far infrared heating pipe of a heating furnace, including: a first terminal 51, a second terminal 57 and a pneumatic percussion device 50; the first binding post 51 is fixedly arranged on the sliding frame 211 of the movable furnace body through a first binding post support 511, and the head of the first binding post 51 faces the outer side of the furnace body and is vertical to the sliding frame 211; the second terminal mounting 57 is mounted on the pneumatic impact device 50 and axially corresponds to the first terminal 51, the pneumatic impact device 50 pushes the head of the second terminal to axially contact with the head of the first terminal, and then the far infrared heating tube is powered on, and the far infrared heating tube is powered off when the head of the second terminal is separated from the head of the first terminal.
Hereinafter, each component of the power on/off device will be described in detail.
A first wiring terminal 51 is arranged on one side of the sliding frame outside the movable furnace body, the first wiring terminal 51 extends along the direction vertical to the ground rail 40, the first wiring terminal 51 is installed on a first wiring terminal support 511, and the first wiring terminal support 511 is fixed on the sliding frame at the bottom of the movable furnace body 20 through screws. The power supply lead of the far infrared heating tube 60 is connected to the first terminal 51. In the present embodiment, six first terminals 51 are provided in total, and two rows and three columns are arranged. The first terminal 51 is composed of a short electrode 512, a first insulating holder 513 and a first nut member 514. The short electrode 512 is made of brass and has a stepped cylindrical shape, the cylinder is provided with a head part and a tail part, the head part and the tail part are connected through a middle part, the diameter of the head part is the largest, the head part and the tail part are sequentially reduced from the head part to the tail part, and the tail part is provided with external threads. The first insulating base 513 is made of bakelite and has a stepped cylindrical shape, and a first through hole is formed in the axial center of the first insulating base and is matched with the diameter of the middle portion of the short electrode 512. The bakelite is made of phenolic plastics, which is plastic taking phenolic resin as a base material, and has the advantages of high mechanical strength, toughness, wear resistance, stable size, corrosion resistance and excellent electrical insulation performance. The big end of first insulating seat 513 is equipped with a plurality of evenly distributed's mounting hole axially, first insulating seat 513 is through passing the screw fixed mounting of mounting hole is in the front end of first terminal support 511, short electrode 512 passes the first through-hole of first insulating seat 513, its afterbody is fixed in first insulating seat 513 through the locking of first nut subassembly 514, first nut subassembly 514 includes two sets of copper nut and copper gasket combination, two sets of nuts, the packing ring symmetry sets up, two packing rings are relative, a set of nut, the packing ring is used for locking short electrode 512, another set of nut and packing ring and first set of nut, the packing ring cooperation is used for the power supply lead wire of the fixed far infrared heating pipe 60 of centre gripping. The nut and the gasket are simple in combined structure, the far infrared heating pipes 60 are divided into six groups and are respectively connected with six first binding posts 51, and therefore the electric load and the safety electricity consumption of the far infrared heating pipes can be equalized.
The pneumatic striking device 50 includes a holder 52, an air cylinder 54, an air cylinder holder 541, a terminal holder carriage 53, a terminal holder roller 58, a second terminal holder 55, a terminal holder guide lever 56, and a guide lever slide holder 561. The pneumatic percussion device 50 is arranged on the outer side of the ground rail 40 through a support 52, a second terminal 57 is axially opposite to the first terminal 51, and the second terminal 57 is concentric with the first terminal 51 after the movable furnace body 20 is connected with the fixed furnace body 10. The rear end of side is installed on support 52 through the screw to cylinder support 541, cylinder 54 is installed on cylinder support 541, the cylinder piston head towards first terminal and with second terminal support 55 fixed connection, terminal support carriage 53 locates the both sides of second terminal support 55, the both sides of terminal support carriage 53 are equipped with terminal support running roller 58, the open slot with terminal support running roller 58 adaptation is located to the relative both sides face of terminal support carriage 53, terminal support running roller 58 is in roll in the open slot, reduce the friction, alleviate the thrust of cylinder. The rear end of the terminal support sliding frame 53 is fixedly connected with two terminal support guide rods 56, the two terminal support guide rods 56 are parallel to the cylinder piston rod and symmetrically distributed on two sides of the piston rod, and the other ends of the terminal support guide rods 56 slide through guide rod sliding seats 561 fixed on the upper surface of the support 52. When the cylinder 54 pushes the second terminal support 55 to move back and forth, the terminal support guide rod 56 slides back and forth in the guide rod sliding seat 561 to perform a guiding function.
The second terminals 57 are disposed corresponding to the first terminals 51, and each of the second terminals includes a long electrode 571, a cylindrical coil spring 572, a second insulating seat 573, and a second nut assembly 574. The long electrode 571 is made of brass and has a stepped cylindrical shape, the cylindrical shape has a head portion and a tail portion, the head portion and the tail portion are connected through an intermediate portion, the head portion has the largest diameter, the diameter of the head portion is gradually reduced from the head portion to the tail portion, and the tail portion is provided with external threads. The long electrode 571 is longer than the short electrode 512, and the head diameter of the long electrode 571 is larger than that of the short electrode, so that the contact surface of the head of the long electrode and the head of the short electrode can be increased, and the contact is more reliable. Further, the tip of the middle portion of the long electrode 571 protrudes from the second insulating seat 573, the cylindrical coil spring 572 is fitted around the tip of the middle portion of the long electrode 571, one end of the spring abuts against the second insulating seat 573, and the other end abuts against the long electrode head. Under the action of the coil spring 572, the long electrode 571 and the short electrode 512 are contacted more reliably, and the sparking phenomenon is not generated. The second insulating seat 573 is made of bakelite and has a stepped cylindrical shape, and a second through hole is formed in the axial center of the second insulating seat 573 and is matched with the diameter of the middle part of the long electrode 571. The large end of the second insulating housing 573 is axially provided with a plurality of mounting holes uniformly distributed, the second insulating housing 573 is fixedly mounted at the front end of the second terminal support 55 by screws penetrating through the mounting holes, the long electrode 571 penetrates through the second through hole of the second insulating housing 573, and the tail part of the long electrode 571 is locked and fixed in the second insulating housing 573 by the second nut assembly 574. The second nut assembly 574 includes two sets of copper nut and copper washer combinations, the two sets of nuts and washers are arranged symmetrically, and the two washers are opposite. One set of nut and washer is used for locking the long electrode 571, the other set of nut and washer is matched with the first set of nut and washer for clamping and fixing the external lead, and the external lead is connected with a power supply.
The mode of operation of embodiment 1 includes the steps of:
1) the driving motor 31 drives the movable furnace body 20 to communicate with the first terminal 51 to move to one side of the fixed furnace body 10 along the ground rail 40, the movable furnace body 20 is connected with the fixed furnace body 10, and the first terminal 51 is aligned with the second terminal 57;
2) the cylinder 54 pushes the second terminal support 55 to move forward, the head of the second terminal 57 tightly abuts against the head of the first terminal 51, and the far infrared heating pipe 60 is electrified to heat;
3) after the heating is completed, the air cylinder 54 pulls the second terminal support 55 to move backward, the second terminal 57 is separated from the first terminal 51, and the far infrared heating tube 60 is powered off.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and the improvements and modifications are also within the protection scope of the present invention.
Claims (7)
1. The utility model provides a make-and-break electric installation that is used for magnesium alloy slab band batch heating furnace far infrared heating pipe which characterized in that includes: the device comprises a first binding post, a second binding post and a pneumatic impact device, wherein the first binding post is used for connecting a power supply lead of a far infrared heating pipe, the second binding post is used for being electrically connected with the first binding post, and the pneumatic impact device is used for driving the second binding post to be in contact with or separated from the first binding post; the first wiring terminal is fixedly arranged on the sliding frame of the movable furnace body through a first wiring terminal support, and the head of the first wiring terminal faces the outer side of the furnace body and is vertical to the sliding frame; pneumatic percussion device includes support, cylinder support and second terminal support, and the rear end of side is installed on the support to the cylinder support, and the cylinder is installed on the cylinder support, and cylinder piston head and second terminal support fixed connection, second terminal are installed on second terminal support and are corresponded with first terminal axial, and the head of first terminal and the head axial contact of second terminal then far infrared heating pipe circular telegram, and the far infrared heating pipe outage is then separated.
2. The on-off power device according to claim 1, wherein the pneumatic striking device further comprises a terminal support sliding frame and rollers, the terminal support sliding frame is arranged on two sides of the second terminal support, two opposite side surfaces of the terminal support sliding frames are provided with sliding grooves, the rollers are arranged on two sides of the second terminal support, and the rollers roll in the sliding grooves.
3. The power on/off device according to claim 2, wherein the pneumatic percussion device further comprises two guide rods and a guide rod sliding seat, the two guide rods are symmetrically distributed on two sides of the piston rod, the front ends of the two guide rods are fixed on the terminal post support, and the rear ends of the two guide rods slide through the guide rod sliding seat fixed on the upper surface of the support.
4. The power on/off device according to claim 1 or 2, wherein the first terminal stud comprises a short electrode, a first insulating holder and a first nut member; the first insulating seat is used for insulating and mounting the short electrode, the short electrode is made of brass and is provided with a head part and a tail part, and the tail part is provided with external threads; the short electrode penetrates through the central through hole of the first insulating seat, the head of the short electrode is abutted against the front end face of the first insulating seat, the tail of the short electrode is locked and fixed in the first insulating seat through a first nut component, and the first nut component is also used for clamping and fixing a power supply lead of the far infrared heating tube; the second wiring terminal is arranged in one-to-one correspondence with the first wiring terminal and comprises a long electrode, a second insulating seat and a second nut assembly, the second insulating seat is used for insulating and mounting the long electrode, the long electrode is made of brass and is provided with a head part and a tail part, and the tail part is provided with an external thread; the long electrode penetrates through a central through hole of the second insulating seat, the head of the long electrode is abutted against the front end face of the first insulating seat, the tail of the long electrode is locked and fixed in the second insulating seat through a second nut assembly, the second nut assembly is also used for connecting an external lead, and the first nut assembly and the second nut assembly are both made of brass.
5. The power on/off device according to claim 4, wherein the second terminal stud further comprises a coil spring, the coil spring being fitted over the long electrode, the spring having one end abutting the second insulating seat and the other end abutting the head of the long electrode.
6. The power on/off device according to claim 4, wherein the first nut component and the second nut component each comprise a combination structure of two sets of nuts and washers, the two sets of nuts and washers are symmetrically arranged, and the two washers are used for clamping and fixing a power supply lead or an external lead of the far infrared heating tube.
7. The on/off device of claim 4, wherein the first and second insulator bases are made of bakelite.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202020389581.3U CN211481492U (en) | 2020-03-24 | 2020-03-24 | Power on-off device for far infrared heating pipe of magnesium alloy plate strip coiling heating furnace |
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CN202020389581.3U CN211481492U (en) | 2020-03-24 | 2020-03-24 | Power on-off device for far infrared heating pipe of magnesium alloy plate strip coiling heating furnace |
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CN202020389581.3U Active CN211481492U (en) | 2020-03-24 | 2020-03-24 | Power on-off device for far infrared heating pipe of magnesium alloy plate strip coiling heating furnace |
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