CN212398041U

CN212398041U - Wire feeder for casting

Info

Publication number: CN212398041U
Application number: CN202020590904.5U
Authority: CN
Inventors: 张铁刚
Original assignee: Cangzhou Kenuo Machinery Manufacturing Co ltd
Current assignee: Cangzhou Kenuo Machinery Manufacturing Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2021-01-26
Anticipated expiration: 2030-04-20

Abstract

The utility model provides a wire feeder for casting, which comprises a first station, wherein the first station comprises a frame, a feeding mechanism, a feeding pipe, a speed reducer and a driving motor, the frame comprises a first side plate and a second side plate which are vertically arranged on a bottom plate and a cover plate arranged on the top of the first side plate, the number of the first side plate and the second side plate is two, the feeding mechanism comprises a feeding shaft and a feeding roller pair, the feeding shaft is respectively rotationally connected with the first side plate and the second side plate, the feeding roller pair is evenly provided with a plurality of bulges along the circumferential direction, the upper roller of the feeding roller pair is rotationally connected with a U-shaped frame, the U-shaped frame is movably connected with the cover plate through an elastic component, the lower roller of the feeding roller pair is connected with one end of the feeding shaft, the feeding pipe comprises a plurality of pipe sections, and the clearance between each pipe section and the upper, the driving motor is connected with the speed reducer, and a shaft of the speed reducer is connected with the feeding shaft through a coupler. The wire feeder is stable in wire feeding, high in efficiency and capable of achieving accurate metering of wire feeding amount.

Description

Wire feeder for casting

Technical Field

The utility model relates to a casting field, in particular to casting is with sending silk machine.

Background

During metal smelting and casting, the cored wire wrapped with various additives is often required to be fed into a smelting furnace, so that molten steel can be purified, the form of inclusions is changed, the castability and the mechanical property of the molten steel are improved, the yield of ferroalloy can be obviously improved, the steelmaking cost is reduced, and the economic effect is obvious.

In the prior art, the wire is fed manually or mechanically, the manual wire feeding speed is slow, the cored wire cannot reach the bottom of the metal solution quickly, the danger is high, and the human body is easily injured; the wire feeder in the prior art is not stable enough in wire feeding and lack of an accurate speed regulating mechanism, and the accurate metering of the wire feeding amount is difficult to realize.

Disclosure of Invention

For overcoming the above-mentioned not enough among the prior art, the utility model provides a send silk efficient, and can realize sending the silk machine of sending that the accurate measurement is realized to sending the silk volume.

The technical scheme of the utility model is that:

a wire feeder for casting comprises a first station, wherein the first station comprises a rack, a feeding mechanism, an inlet pipe, a speed reducer and a driving motor, the rack comprises a first side plate and a second side plate which are vertically arranged on a bottom plate and a cover plate arranged at the top of the first side plate, the number of the first side plate and the second side plate is two, the feeding mechanism comprises a feeding shaft and a feeding roller pair, the feeding shaft is respectively and rotatably connected with the first side plate and the second side plate, the feeding roller pair is uniformly provided with a plurality of bulges along the circumferential direction, an upper roller of the feeding roller pair is rotatably connected with a U-shaped frame, the U-shaped frame is movably connected with the cover plate through an elastic component, a lower roller of the feeding roller pair is connected with one end of the feeding shaft, the inlet pipe comprises a plurality of pipe sections, the pipe sections and the gaps between the feeding roller pair and the upper roller and the lower, the reducer shaft is connected with the feeding shaft through a coupler.

Preferably, the elastic member includes a supporting rod, a spring and an installation sleeve, the outer wall of the top of the supporting rod is provided with threads, the wall of the supporting rod is provided with a spring seat, at least one convex edge is arranged below the spring seat, the top of the installation sleeve is provided with a supporting rod installation hole for the supporting rod to pass through, and the bottom of the installation sleeve is provided with a flange.

In any of the above schemes, preferably, the coupling is any one of an elastic column pin shaft coupling, a quincunx coupling, a flange coupling, and a sleeve coupling.

In any of the above schemes, preferably, the wire feeder further comprises an iron removal device, and the iron removal device is installed at the inlet of the wire feeder.

In any of the above schemes, preferably, the wire feeder further comprises an auxiliary pipe, wherein two ends of the auxiliary pipe are linear, the middle of the auxiliary pipe is arc-shaped, the inner diameter of the auxiliary pipe is matched with the outer diameter of the outlet pipe section, and the auxiliary pipe is sleeved on the outer wall of the outlet pipe section.

In any of the above schemes, preferably, the number of the feeding mechanisms is multiple, the structures of the feeding mechanisms are the same, the first side plate and the second side plate are sequentially connected with a feeding shaft, a first transmission shaft, a first feeding shaft, a second transmission shaft, a second feeding shaft, … …, an nth transmission shaft and an nth feeding shaft in a rotating manner, and gears meshed in sequence are arranged on the shafts.

In any of the above schemes, preferably, the wire feeder further comprises a speed regulator, and the power supply is electrically connected with the driving motor through the speed regulator.

In any of the above schemes, preferably, the wire feeder further comprises a speed measuring device, a control unit and a display screen, wherein the speed measuring device comprises a speed measuring disc and a photoelectric sensor, the speed measuring disc is provided with a mounting hole for connecting with the feeding shaft or the speed reducer shaft, and a plurality of speed measuring holes for allowing electromagnetic waves of the photoelectric sensor to pass through are uniformly distributed in a circular ring shape by taking the circle center of the mounting hole as the circle center, and the photoelectric sensor and the display screen are respectively and electrically connected with the control unit;

in any of the above aspects, an oil tank for lubricating gears is preferably provided between the first side plate and the second side plate.

In any of the above schemes, preferably, the wire feeder further includes a second station, and each member of the second station and the first station is the same and symmetrically disposed on the other side of the frame.

In any of the above embodiments, the driving motor is preferably any one of a stepping motor and a servo motor.

Drawings

Fig. 1 is a schematic cross-sectional view of a preferred embodiment of a wire feeder according to the present invention.

Fig. 2 is a schematic view illustrating the installation of the feeding pipe and the iron removing device of the wire feeder according to a preferred embodiment of the present invention.

Fig. 3 is a schematic view of a preferred embodiment of the elastic member of the wire feeder of the present invention.

Fig. 4 is a schematic transmission diagram of a feeding mechanism of a wire feeder according to a preferred embodiment of the present invention.

Fig. 5 is a schematic view illustrating the installation of a preferred embodiment of the speed measuring disk of the wire feeder of the present invention.

Fig. 6 is a circuit diagram of a preferred embodiment of the wire feeder of the present invention.

The reference numbers in the figures illustrate:

101-cover plate, 102-U-shaped frame, 103-elastic member, 104-feeding roller pair, 105-first side plate, 106-feeding shaft, 107-speed measuring disc, 108-driving motor, 109-reducer shaft, 110-reducer, 111-coupler, 112-second side plate, 113-oil tank, 114-feeding roller pair, lower roller, 115-bottom plate, 201-bulge, 203-feeding pipe, 204-wire feeder inlet, 205-deironing device, 206-bracket, 207-auxiliary pipe, 208-mounting frame, 301-supporting rod, 302-rib, 303-spring seat, 304-spring, 305-thread, 306-supporting rod mounting hole, 307-flange, 401-feeding gear, 402-first feeding gear, 403-first feeding shaft, 404-second feeding gear, 405-second feeding shaft, 406-first transmission gear, 407-first transmission shaft, 408-second transmission gear, 409-second transmission shaft, 501-speed measuring disc mounting hole, 502-speed measuring hole.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientation or positional relationship is based on that shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1:

a wire feeder for casting comprises a first station, wherein the first station comprises a rack, a feeding mechanism, a feeding pipe 203, a speed reducer 110 and a driving motor 108, the rack comprises a first side plate 105 and a second side plate 112 which are vertically arranged on a bottom plate 115, and a cover plate 101 arranged at the top of the first side plate 105, and the number of the first side plate 105 and the second side plate 112 is two; the feeding mechanism comprises a feeding shaft 106 and a feeding double-roller, the feeding shaft 106 is respectively rotatably connected with the first side plate 105 and the second side plate 112, a plurality of convex parts 201 are uniformly distributed on the feeding double-roller along the circumferential direction, the feeding double-roller upper roller 104 is rotatably connected with the U-shaped frame 102, the U-shaped frame 102 is movably connected with the cover plate 101 through an elastic component 103, and the feeding double-roller lower roller 114 is connected with one end of the feeding shaft 106; the feeding pipe 203 comprises a plurality of pipe sections, and gaps between the pipe sections and the upper roller 104 and the lower roller 114 of the feeding pair rollers are linearly arranged on the frame; the driving motor 108 is connected with a speed reducer 110, and a speed reducer shaft 109 is connected with the feeding shaft 106 through a coupling 111.

In this embodiment, the feeding shaft 106 is rotatably connected to the first side plate 105 and the second side plate 112 through bearings; the feeding roller pair is uniformly provided with a plurality of protrusions 201 along the circumferential direction, so that the friction force between the feeding roller pair and the alloy cored wire can be increased, and the phenomenon of slipping in the wire feeding process is avoided, wherein the protrusions 201 can be any one of convex edges, arc-shaped teeth or involute-shaped teeth; the feeding upper roller pair 104 is rotatably connected with the U-shaped frame 102, a rotating shaft is arranged on the U-shaped frame 102, the feeding upper roller pair 104 is connected with the rotating shaft through a bearing, and the rotating shaft and the axis of the feeding shaft 106 are ensured to be parallel to each other during installation; the U-shaped frame 102 is movably connected with the cover plate 101 through an elastic component 103, so as to be capable of adapting to alloy cored wires with different diameters, the elastic component 103 comprises a supporting rod 301, a spring 304 and an installation sleeve, the outer wall of the top of the supporting rod 301 is provided with threads 305, the wall of the supporting rod is provided with a spring seat 303, at least one convex rib 302 is arranged below the spring seat 303, the top of the installation sleeve is provided with a supporting rod installation hole 306 for the supporting rod 301 to pass through, the bottom of the installation sleeve is provided with a flange 307, specifically, when the installation is carried out, the spring 304 is firstly sleeved into the supporting rod 301, then one end with the threads 305 is sleeved into the supporting rod installation hole 306 at the top of the installation sleeve, the supporting rod 301 is fixed on the installation sleeve through a nut, the frame cover plate 101 is provided with a hole for the supporting rod 301 to pass through and the hole is provided with a, the convex ribs 302 are arranged on the supporting rod 301, so that the supporting rod 301 can be prevented from rotating in work; when the wire feeder works, the elastic component 103 generates certain elastic force, so that the friction force between the feeding roller pair and the alloy cored wire is increased, the slipping in the wire feeding process can be prevented, and the breakage of the feeding shaft 106 or the damage of other components of the wire feeder caused by the overlarge load of the feeding shaft 106 when the diameter of the alloy cored wire is overlarge can be avoided; the feeding pipe 203 comprises a plurality of pipe sections, gaps between each pipe section and each

feeding pair roller

104 and 114 are linearly arranged on the frame, specifically, when the feeding pipe 203 is arranged, mounting frames 208 can be respectively arranged on two sides of the two first side plates 105, a support 206 is arranged on the bottom plate 115, the feeding pipe 203 is arranged on the frame through the mounting frames 208 and the support 206, and the feeding pipe 203 plays a role in guiding the alloy cored wire, namely, the alloy cored wire is prevented from being separated from the feeding pair rollers in the wire feeding process; the driving motor 108 is connected with a speed reducer 110, a speed reducer shaft 109 is connected with the feeding shaft 106 through a coupling 111, and the speed reducer 110 is arranged for controlling the feeding speed and reducing the load of the driving motor 108; the coupling 111 may be any one of an elastic column pin shaft coupling, a quincunx coupling, and a flange coupling.

In this embodiment, the wire feeder further comprises an iron removal device 205, wherein the iron removal device 205 is installed at the inlet 204 of the feeding pipe; the deironing device 205 is used for getting rid of the iron plate that adsorbs on the alloy cored wire to prevent that great iron plate from getting into the pay-off pair roller along with the alloy cored wire and causing the damage of sending the silk machine, specifically speaking, deironing device 205 can be at least one in neodymium iron boron strong magnet or the dust removal rifle, utilizes the suction of neodymium iron boron strong magnet to get rid of the iron plate that will adhere to on the alloy cored wire or blow off with the dust removal rifle with the iron plate that adheres to on the alloy cored wire, if both use simultaneously, the effect is better.

In this embodiment, the wire feeder further includes an auxiliary tube 207, two ends of the auxiliary tube 207 are linear and the middle is arc, the inner diameter of the auxiliary tube is adapted to the outer diameter of the pipe section at the outlet 209, and the auxiliary tube 207 is sleeved on the outer wall of the pipe section at the outlet 209; the auxiliary pipe 207 is arranged for smoothly feeding the alloy cored wire into the smelting furnace, specifically, the auxiliary pipe 207 is sleeved on the pipe section at the outlet 209 of the wire feeder, in order to fix the auxiliary pipe 207 and the pipe section at the outlet 209, a threaded hole can be arranged on the auxiliary pipe 207, a threaded pin passes through the threaded hole, and the end part of the threaded pin is abutted against the outer wall of the pipe section at the outlet; in order to facilitate the bending of the alloy cored wire in the auxiliary tube, the curvature radius of the middle arc part is not less than 0.5 m.

In this embodiment, the feeding mechanisms are provided in a plurality, and the feeding mechanisms are mutually matched, so that a larger friction force can be provided, and slipping between the feeding pair roller and the alloy cored wire in the wire feeding process can be prevented; the structure of each feeding mechanism is the same, the first side plate 105 and the second side plate 112 are sequentially connected with a feeding shaft 106, a first transmission shaft 407, a first feeding shaft 403, a second transmission shaft 409, second feeding shafts 405 and … …, an Nth transmission shaft and an Nth feeding shaft in a rotating manner, and gears meshed in turn are arranged on each shaft; specifically, a feeding gear 401 is arranged on the feeding shaft 106, a first transmission gear 406 is arranged on a first transmission shaft 407, a first feeding gear 402 is arranged on a first feeding shaft 403, a second transmission gear 408 is arranged on a second transmission shaft 409, second feeding gears 404 and … … are arranged on a second feeding shaft 405, an nth transmission gear is arranged on an nth transmission shaft, and an nth feeding gear is arranged on an nth feeding shaft, wherein N is a natural number greater than or equal to 2; the feeding gear 401 is meshed with the first transmission gear 406 as a driving gear, the first transmission gear 406 is meshed with the first feeding gear 402, the first feeding gear 402 is meshed with the second transmission gear 408, the second transmission gear 408 is meshed with the second feeding gear 404, … …, the Nth transmission gear is meshed with the Nth feeding gear, wherein the parameters of the feeding gear 401, the first feeding gear 402, the second feeding gear 404, … … and the Nth feeding gear are the same, and the parameters of the first transmission gear 406, the second transmission gear 408, … … and the Nth transmission gear are the same, so that the feeding mechanisms can ensure that the feeding linear speeds of feeding rollers are the same.

In this embodiment, the wire feeder further comprises a speed regulator, and the power supply is electrically connected to the driving motor 108 through the speed regulator; the speed regulator is arranged to adjust the rotation speed of the driving motor 108, so as to control the feeding speed, and the speed regulator may be an electromagnetic speed regulator or a variable frequency speed regulator, which are both in the prior art and will not be described herein.

In this embodiment, the wire feeder further includes a speed measuring device and a control unit, the speed measuring device includes a speed measuring disk 107 and a photoelectric sensor, the speed measuring disk 107 is provided with a mounting hole 501 for connecting with the feeding shaft 106 or the reducer shaft 109, and a plurality of speed measuring holes 502 for passing electromagnetic waves of the photoelectric sensor are uniformly distributed in a circular ring shape with the circle center of the mounting hole 501 as the circle center, and the photoelectric sensor and the display screen are respectively and electrically connected with the control unit; the speed measuring device is used for measuring the feeding speed of the alloy cored wire, and the control unit can be a single chip microcomputer or a PLC (programmable logic controller); specifically, the photoelectric sensor comprises a transmitter and a receiver, the transmitter and the receiver are installed on two sides of the speed measuring disc 107, the transmitter sends out electromagnetic waves and transmits the electromagnetic waves to the receiver through the speed measuring hole 502, when the wire feeder works, the speed measuring disc 107 and the feeding shaft 106 rotate at the same angular speed, the receiver receives pulse signals and transmits the pulse signals to the control unit, the control unit calculates the linear speed of the feeding pair roller lower roller 114 according to the number of the pulse signals per second, the axial center distance between the speed measuring hole 502 and the feeding shaft 106 and the radius of the feeding pair roller lower roller 114, and the display screen is used for displaying the measured speed information; according to the speed measured by the speed measuring device, the speed measuring device is matched with the speed regulator, so that the feeding speed is accurately controlled.

In this embodiment, an oil tank 113 for lubricating the gears is disposed between the first side plate 105 and the second side plate 112 to lubricate the gears, so as to prevent the gear surfaces of the gears from being worn or pitted during operation, prevent impurities such as iron filings from being mixed into the gears during use, and further provide a closed type gear box between the first side plate 105 and the second side plate 112.

In this embodiment, the wire feeder further includes a second station, and the second station and the first station are respectively and symmetrically arranged on the other side of the frame; the two stations are arranged to simultaneously add two different alloy cored wires in the production process, so that the production efficiency is improved.

Example 2:

on the basis of the above embodiment, the driving motor 108 of the wire feeder provided by the utility model is any one of a stepping motor or a servo motor, and the stepping motor or the servo motor can realize the accurate control of the speed, so that the adding amount of the alloy cored wire in the metal smelting process can be accurately controlled; specifically, unlike the above-described embodiment, the wire feeder in this embodiment may not include a speed governor and a speed measuring device because the rotational speed of the stepping motor or the servo motor can be precisely controlled by the encoder; stepping motor, servo motor encoder with the control unit electric connection, the display screen is used for showing operation interface and material feeding speed, has further improved the convenience of device operation.

The above-mentioned embodiments are only specific embodiments of the preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is within the technical scope of the present invention, and according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered in the protection scope of the present invention.

Claims

1. A wire feeder for casting comprises a first station, wherein the first station comprises a rack, a feeding mechanism, a feeding pipe (203), a speed reducer (110) and a driving motor (108), the rack comprises a first side plate (105) and a second side plate (112) which are vertically arranged on a bottom plate (115) and a cover plate (101) arranged at the top of the first side plate (105), the number of the first side plate (105) and the number of the second side plate (112) are two, the wire feeder is characterized in that the feeding mechanism comprises a feeding shaft (106) and feeding roller pairs, the feeding shaft (106) is respectively in rotating connection with the first side plate (105) and the second side plate (112), a plurality of bulges (201) are uniformly distributed along the circumferential direction, the feeding roller pairs (104) are in rotating connection with a U-shaped frame (102), and the U-shaped frame (102) is movably connected with the cover plate (101) through an elastic component (103), the lower roller (114) of the feeding roller pair is connected with one end of a feeding shaft (106);

the feeding pipe (203) comprises a plurality of pipe sections, and gaps between the pipe sections and the feeding roller pair upper roller (104) and the feeding roller pair lower roller (114) are linearly arranged on the rack;

the driving motor (108) is connected with the speed reducer (110), and the shaft (109) of the speed reducer is connected with the feeding shaft (106) through the coupler (111).

2. The wire feeder according to claim 1, wherein the elastic member (103) comprises a support rod (301), a spring (304) and a mounting sleeve, wherein the outer wall of the top of the support rod (301) is provided with a thread (305), the wall of the support rod is provided with a spring seat (303), at least one convex rib (302) is arranged below the spring seat (303), the top of the mounting sleeve is provided with a support rod mounting hole (306) for the support rod (301) to pass through, and the bottom of the mounting sleeve is provided with a flange (307).

3. The wire feeder of claim 2, wherein the coupling (111) is any one of a resilient pin-and-pin coupling, a quincunx coupling, a flange coupling, and a sleeve coupling.

4. The wire feeder of claim 3, further comprising an iron removal device (205), the iron removal device (205) being mounted at the wire feeder inlet (204).

5. The wire feeder according to claim 4, further comprising an auxiliary pipe (207), wherein the two ends of the auxiliary pipe (207) are linear and the middle is arc, the inner diameter of the auxiliary pipe is matched with the outer diameter of the pipe section at the outlet (209), and the auxiliary pipe (207) is sleeved on the outer wall of the pipe section at the outlet (209).

6. The wire feeder according to claim 5, characterized in that the feeding mechanisms are provided in plurality, each feeding mechanism is identical in structure, the first side plate (105) and the second side plate (112) are sequentially and rotatably connected with the feeding shaft (106), the first transmission shaft (407), the first feeding shaft (403), the second transmission shaft (409), the second feeding shaft (405), … …, the Nth transmission shaft and the Nth feeding shaft, and gears which are meshed in sequence are arranged on each shaft.

7. The wire feeder of claim 6, further comprising a speed governor, wherein the power source is electrically connected to the drive motor (108) via the speed governor.

8. The wire feeder according to claim 7, further comprising a speed measuring device, a control unit and a display screen, wherein the speed measuring device comprises a speed measuring disc (107) and a photoelectric sensor, the speed measuring disc (107) is provided with a mounting hole (501) for connecting with the feeding shaft (106) or the speed reducer shaft (109), and a plurality of speed measuring holes (502) for passing electromagnetic waves of the photoelectric sensor are uniformly distributed in a circular ring shape by taking the circle center of the mounting hole (501) as the circle center, and the photoelectric sensor and the display screen are respectively and electrically connected with the control unit.

9. The wire feeder of claim 8, wherein an oil tank (113) for gear lubrication is disposed between the first side plate (105) and the second side plate (112).

10. The wire feeder of claim 9, further comprising a second station, wherein the second station is identical to the first station and symmetrically disposed on the other side of the frame.

11. The wire feeder of any of claims 1-10, wherein the drive motor (108) is any of a stepper motor or a servo motor.