CN112322862A

CN112322862A - Peanut pickup machine row grass fan impeller blade high frequency quenching equipment

Info

Publication number: CN112322862A
Application number: CN202011506766.9A
Authority: CN
Inventors: 王瑜
Original assignee: Huixian Hengxing Metal Products Co ltd
Current assignee: Huixian Hengxing Metal Products Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-02-05

Abstract

The invention discloses high-frequency quenching equipment for a grass discharge fan impeller blade of a peanut pickup machine, which comprises a support, wherein a workbench is arranged on the support, a quenching machine for quenching the blade is arranged on the workbench, the quenching machine is not contacted with the workbench, a water spray pipe for cooling the quenched blade is also arranged on the workbench, and a clamp for clamping the blade is arranged on the support. The invention has the beneficial effects that: through setting up anchor clamps, under the effect of workstation, can treat the exposed core of quenching blade and the middle-end of blade and carry out effective centre gripping and spacing to prevent that its quenching end from making this blade whole deformation when quenching high temperature, and produce relative movement by the quenching head of blade and quenching machine, make this slender blade can reach the purpose that moves limit quenching, solved the tradition and to produce great deformation and influence the technical bias of assembly after this blade quenches, effectively prolonged the device's life.

Description

Peanut pickup machine row grass fan impeller blade high frequency quenching equipment

Technical Field

The invention relates to the field of pickup machines, in particular to high-frequency quenching equipment for a grass discharge fan impeller blade of a peanut pickup machine.

Background

The peanut pickup machine arranges grass fan wheel and includes the disc, connect the bracing piece of each disc and connect and be circular-arc blade between the disc, prior art sets up the arc hole with blade looks adaptation on to the disc before assembling this impeller whole, and the universal adoption is arranged each disc equidistance and the arc hole aligns the back and is connected it with the bracing piece during its assembly, passes each disc with the blade at last.

The blade of the fan impeller is about 880 mm long, 40-60 mm wide and about 3 mm thick, and the bending radius of the blade is about 55 mm, so that the blade of the impeller is a long piece and has a radian, the blade is long and arc-shaped, and the arc-shaped holes formed in the disk are matched with the blade, so that the blade can smoothly pass through the arc-shaped holes and cannot generate bending deformation, and the grounding end of the blade needs to be subjected to surface quenching in order to ensure that the hardness of the end of the blade contacting the ground is higher and more wear-resistant.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides high-frequency quenching equipment for an impeller blade of a grass discharge fan of a peanut pickup machine.

The purpose of the invention is realized by the following technical scheme:

the utility model provides a quick-witted grass discharging fan impeller blade high frequency quenching equipment is picked up to peanut, includes the support, be equipped with the workstation on the support, be equipped with the machine of quenching that quenches the blade on the workstation, and the machine of quenching does not contact with the workstation, still be equipped with on the workstation and carry out refrigerated spray pipe for the blade that has quenched, be equipped with the anchor clamps of centre gripping blade on the support.

The further technical scheme is that the quenching machine moves linearly at a constant speed.

The further technical scheme is that the workbench linearly moves at a constant speed.

According to a further technical scheme, the fixture comprises a fixing plate which is fixedly connected to a workbench and used for clamping the clamping ends of the blades, a supporting plate which is in an L shape is fixedly connected to the workbench, an air cylinder is detachably connected to the supporting plate, the fixing plate is located below the air cylinder, a pressing piece used for pressing the middle ends of the blades is arranged at the output end of the air cylinder, and the quenching ends of the blades are suspended.

The pressing piece is in a flat plate shape, and the bottom edge of the pressing piece is in contact with the middle of the blade.

The technical scheme is that the bottom surface of the pressing piece is arc-shaped, and the bottom surface of the pressing piece is attached to the middle of the blade.

According to a further technical scheme, the quenching machine comprises a quenching head and a power supply box, the quenching head is U-shaped, and the quenching end of the blade is overlapped with the quenching head on the longitudinal projection surface of the blade.

According to a further technical scheme, the sliding device is arranged on the support and comprises a sliding rail fixedly connected to the support, a sliding ring matched with the sliding rail is arranged on the bottom surface of the workbench and is connected to the sliding rail in a sliding mode, the sliding device further comprises crawler wheels rotatably connected to the support and connected with the two crawler wheels in a crawler transmission mode, a pressing rod penetrating through the workbench is further arranged at the output end of the air cylinder, an L-shaped adjusting plate is fixedly connected to the bottom surface of the workbench, the crawler is located between the pressing rod and the adjusting plate, a travel switch used for controlling a power source of the crawler wheels is arranged on the support and corresponds to the sliding ring.

A further technical scheme is that the adjusting plate is telescopic in the vertical direction.

According to a further technical scheme, a water tank is arranged below the workbench, a circulating water pump is arranged in the water tank, the water supply end of the water spray pipe is communicated with the output end of the water pump, and water leakage holes corresponding to the water tank are formed in the workbench and are far away from the track.

Compared with the prior art, the invention has the beneficial effects that:

1. the clamp is arranged, under the action of the workbench, the clamping end of the blade to be quenched and the middle end of the blade can be effectively clamped and limited, so that the blade is prevented from being integrally deformed due to overhigh temperature of the quenching end during quenching, the blade and the quenching head of the quenching machine can relatively move, the purposes of moving and quenching can be achieved by the slender blade, the technical bias that assembly is influenced due to larger deformation generated after the blade is quenched in the prior art is solved, and the service life of the device is effectively prolonged.

2. The invention can provide a circulating water source for the equipment to be quenched by arranging the water tank so as to achieve the aim of rapidly cooling the quenched part, and can ensure that the whole workbench and the blades to be quenched move at a constant speed along the appointed direction under the combined action of the crawler and the crawler wheel by arranging the slide rail and the slide ring, thereby effectively ensuring the quenching width and quality and avoiding the risk of width change or no quenching of the quenched part of the blades caused by deflection when the workbench moves.

Drawings

Fig. 1 is a perspective view of the present invention.

FIG. 2 is a schematic view of the assembly of the inventive fixture with a blade to be quenched.

FIG. 3 is a schematic view of the assembly of the strut and track of the present invention.

FIG. 4 is a schematic view of a blade of the present invention taken in stages.

FIG. 5 is a schematic view of a second embodiment of the present invention.

Fig. 6 is an overall perspective view of the impeller of the present invention.

Fig. 7 is a flow chart of the impeller blade quenching process of the invention.

Fig. 8 is a schematic view of a blade pressing state in the impeller blade quenching process of the present invention.

In the figure, 1-support, 2-workbench, 3-quenching machine, 4-water spray pipe, 5-clamp, 501-cylinder, 502-pressing piece, 503-fixing plate, 6-sliding device, 601-track wheel, 602-track, 603-slide rail, 604-slip ring, 605-travel switch, 606-press rod, 607-regulating plate and 7-water tank.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that the products of the present invention conventionally lay out when in use, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. They may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to the embodiment shown in fig. 1-4, a peanut pickup machine grass discharge fan impeller blade high-frequency quenching device comprises a support 1, a workbench 2 is arranged on the support 1, a quenching machine 3 for quenching the blade is arranged on the workbench 2, the quenching machine 3 is not in contact with the workbench 2, the quenching machine 3 comprises a quenching head and a power supply box, the quenching head is an output end of the quenching device, namely a quenching magnetizer, the quenching head is in a U shape, a quenching end of the blade and the quenching head are overlapped on a longitudinal projection plane of the blade, the clear height of the inside of the U-shaped quenching head is 10-12mm, the quenching end of the blade is positioned in the middle of the quenching head during quenching, so that the quenching hardness of the blade can be ensured to be above 55 degrees, a water spray pipe 4 for cooling the quenched blade is also arranged on the workbench 2, and a clamp 5 for clamping the blade is arranged on the support 1.

Anchor clamps 5 include fixed connection be used for the fixed plate 503 of centre gripping blade exposed core on workstation 2, fixedly connected with is the backup pad of L type on workstation 2, and can dismantle in the backup pad and be connected with cylinder 501, and fixed plate 503 is located cylinder 501 below, and the output of cylinder 501 is equipped with the casting die 502 that is used for pressing the blade middle-end, and the quenching end of blade is unsettled form.

The bottom surface of the pressing piece 502 is arc-shaped, the bottom surface of the pressing piece 502 is attached to the middle of the blade, the pressing piece 502 is in surface contact with the blade, the friction force is large, and the middle end of the blade can be prevented from being integrally deformed.

The quenching machine 3 can move linearly at a constant speed under the action of external pushing force, the moving speed is 35-45mm/s, the blade is not moved at the moment, the U-shaped quenching head moves at the constant speed, when the blade passes through the inside of the quenching head, the overlapped part of the blade and the quenching head can be heated, and when the blade leaves the quenching head, a cooling medium can be sprayed immediately, at the moment, the local quenching of the blade can be completed, the quenching machine 3 can do linear motion at the constant speed, a guide device can be additionally arranged at the bottom of a power supply box of the quenching machine, and the quenching machine 3 can be integrally pushed at the constant speed along the guide device.

The worktable 2 can also move linearly at a constant speed of 35-45mm/s, the bracket 1 is provided with a sliding device 6, the sliding device 6 comprises a sliding rail 603 fixedly connected to the bracket 1, the bottom surface of the worktable 2 is provided with a sliding ring 604 matched with the sliding rail 603, and the slip ring 604 is slidably connected to the slide rail 603, the sliding device 6 further comprises a track wheel 601 rotatably connected to the frame 1, the two crawler wheels 601 are in transmission connection through a crawler 602, the output end of the air cylinder 501 is further provided with a pressure lever 606 penetrating through the workbench 2, the bottom surface of the workbench 2 is fixedly connected with an L-shaped adjusting plate 607, and the crawler 602 is positioned between the pressure rod 606 and the adjusting plate 607, the bracket 1 is provided with a travel switch 605 for controlling the power source of the crawler wheel 601, and the travel switch 605 corresponds to the slip ring 604, the adjusting plate 607 is telescopic in the vertical direction, and the telescopic function can adjust the clamping force between the pressure rod 606 and the adjusting plate 607.

The lower side of the workbench 2 is provided with a water tank 7, the water tank 7 is internally provided with a circulating water pump, the water supply end of the spray pipe 4 is communicated with the output end of the water pump, the workbench 2 is provided with a water leakage hole corresponding to the water tank 7, the water leakage hole is far away from the crawler belt 602, the water tank 7 and the circulating water pump can provide cooling water for the spray pipe 4, so that the water cooling can be carried out on the blade which is heated up, the quenching process is completed, and the cooling water can enter the water tank 7 again through the water leakage hole after the use, so as to achieve the purpose of recycling.

Example two:

referring to the embodiment shown in fig. 5, the pressing member 502 is in a flat plate shape, and the bottom edge of the pressing member 502 is in contact with the middle of the blade, and at this time, the pressing member 502 is in line contact with the middle end of the blade, so that the contact between the pressing member 502 and the blade is tighter, and the relative sliding between the blade and the pressing member 502 can be reduced, thereby making the blade more difficult to deform.

The rest of the contents are the same as the first embodiment.

The quenching process of the impeller blade of the grass discharge fan of the peanut pickup machine comprises the following steps:

the utility model provides a peanut pickup machine grass discharging fan impeller blade quenches technology, will bend the shaping blade centre gripping that wants to quench on the workstation, press the middle part of blade through the upper portion anchor clamps that set up on the workstation and hold, this upper portion anchor clamps only contact with waiting to quench the blade middle part, and it does not exert decurrent effort, and this setting is only in order to prevent this blade bending deformation when quenching is heated, makes the blade keep original crooked radian, and the material of this blade is: 65Mn, a quenching head which is not contacted with the workbench is arranged above the workbench, the arc length of the quenching end of the blade is 17-18 mm, the quenching end of the blade is overlapped with the inner part of the quenching head under the orthographic projection by adjusting the quenching head, and the arc length of the quenching end of the overlapped section is 13-15 mm.

The workbench or the quenching head is moved at a constant speed, the moving speed is 35-45mm/s, and the overlapping width of the quenching end of the blade and the quenching head is 13-15 mm, so that the quenching width of the blade is 13-15 mm.

The model of the high-frequency quenching equipment is LSW-80, the power is 100KW, the quenching temperature of the quenching head is 810-830 ℃, and when the overlapped part of the quenching end of the blade passes under the quenching head, the quenching work of the blade section is finished.

The outlet of the quenching head is provided with a cooling medium spray head, the blade is contacted with the cooling medium sprayed by the cooling medium spray head immediately after quenching is finished, the cooling medium is preferably water, the temperature of the cooling medium is 20-40 ℃, and the water cooling time is 2-3 seconds.

After the top end of the blade is completely quenched and the cooling medium nozzle is moved out, the blade is air-cooled for a period of time, and the blade is still clamped and pressed down until the blade is completely cooled and then taken down.

And (5) correcting the quenched blade by using a balancing machine.

The grass discharge fan impeller of the peanut pickup machine is described as follows:

referring to fig. 6, a grass discharge fan impeller of a peanut pickup machine comprises a plurality of disks arranged at equal intervals, wherein the disks are connected through a connecting shaft, the connecting shaft is a hollow shaft, the overall weight of the impeller can be reduced, arc-shaped grooves arranged in a circumferential manner are formed in each disk, blades which are arc-shaped and matched with the arc-shaped grooves are arranged in each arc-shaped groove, the left end and the right end of each blade are respectively welded with the disks on the two sides, a quenching layer with a wear-resisting function is arranged at one end, away from the connecting shaft, of each blade, the quenching arc length of each blade is measured to be-millimeter from the top end of the blade to be quenched, the quenching layer is wrapped at the edges of the blades in a U shape, the width of the quenching layer is too large, the deformation is easily caused to be too large, the modification is not good, the assembly.

Wherein the material of the blade is: 65Mn and the material of the disc is Q235B.

The working process of the invention is as follows: the clamping end of a blade to be quenched is placed between two fixing plates 503 on a workbench 2, the quenching end faces the direction of a U-shaped quenching head of a quenching machine 3, the air cylinder 501 is started to enable the output end of the air cylinder to fully extend, the output end of the air cylinder 501 can push the pressing piece 502 to press the middle end of the blade downwards, the pressing piece 502 can only press the middle part of the blade, the quenching end of the blade is suspended, the length of the quenching end is 17-18 mm, the pressing piece 502 only contacts with the middle end of the blade and cannot enable the blade to bend and deform downwards, the output end of the air cylinder 501 can push the pressing rod 606 to move downwards when extending, so that the crawler 602 is pressed between the pressing rod 606 and the adjusting plate 607, the crawler wheel 601 is connected with an external power source, the quenching head of the quenching machine 3 is adjusted to enable the quenching end of the blade to be overlapped at the longitudinal projection of the blade, and the arc length of the blade at the overlapped part is 13-15, the quenching machine 3 is started, the quenching machine 3 can be made to move at a constant speed under the action of external pushing force at the moment, the workbench 2 can also be made to move at a constant speed, when the workbench 2 moves at a constant speed, the workbench 2 can drive the blade to move at a constant speed, when the blade and the quenching machine 3 pass through the U-shaped quenching head of the quenching machine 3, the part of the blade passing through the U-shaped quenching head can be quenched, as the blade and the U-shaped quenching head always move at a constant speed, a workpiece far away from the U-shaped quenching head after quenching can be contacted with cooling liquid sprayed by the water spray pipe 4, the quenched part can be rapidly cooled, when the slip ring 604 moves to be contacted with the travel switch 605, the end to be quenched of the whole blade is finished and far away from the U-shaped quenching head, the travel switch 605 can control the power source driving the crawler wheel 601 to rotate to be powered off, namely the workbench 2 can not move any more, and the, when the blades are completely cooled, the output end of the cylinder 501 can be contracted, and at this time, the blades can be taken out, and since the blades are always held by the jig 5 during quenching, even if the tips thereof are subjected to high-frequency quenching, the entire blades cannot be deformed by being held, and therefore, the purpose of quenching one end thereof and not deforming the blades can be achieved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a quick-witted grass-discharging fan impeller blade high frequency quenching equipment is picked up to peanut, includes support (1), be equipped with workstation (2) on support (1), be equipped with quenching machine (3) that carry out the quenching to the blade on workstation (2), and quench machine (3) and do not contact with workstation (2), still be equipped with on workstation (2) and carry out refrigerated spray pipe (4) for the blade that has quenched, its characterized in that: and the bracket (1) is provided with a clamp (5) for clamping the blade.

2. The peanut pickup machine grass discharge fan impeller blade high-frequency quenching equipment as claimed in claim 1, characterized in that: the quenching machine (3) moves linearly at a constant speed.

3. The peanut pickup machine grass discharge fan impeller blade high-frequency quenching equipment as claimed in claim 1, characterized in that: the workbench (2) linearly moves at a constant speed.

4. The peanut pickup machine grass discharge fan impeller blade high-frequency quenching equipment as claimed in claim 1, characterized in that: the clamp (5) comprises a fixing plate (503) fixedly connected to the workbench (2) and used for clamping the clamping ends of the blades, a supporting plate in an L shape is fixedly connected to the workbench (2), an air cylinder (501) is detachably connected to the supporting plate, the fixing plate (503) is located below the air cylinder (501), a pressing piece (502) used for pressing the middle ends of the blades is arranged at the output end of the air cylinder (501), and the quenching ends of the blades are suspended.

5. The peanut pickup machine grass discharge fan impeller blade high-frequency quenching equipment as claimed in claim 4, wherein: the pressing piece (502) is in a flat plate shape, and the bottom edge of the pressing piece (502) is in contact with the middle of the blade.

6. The peanut pickup machine grass discharge fan impeller blade high-frequency quenching equipment as claimed in claim 4, wherein: the bottom surface of the pressing piece (502) is arc-shaped, and the bottom surface of the pressing piece (502) is attached to the middle part of the blade.

7. The peanut pickup machine grass discharge fan impeller blade high-frequency quenching equipment as claimed in claim 1, characterized in that: the quenching machine (3) comprises a quenching head and a power supply box, wherein the quenching head is U-shaped, and the quenching end of the blade is overlapped with the quenching head on the longitudinal projection surface of the blade.

8. The peanut pickup machine grass discharge fan impeller blade high-frequency quenching equipment as claimed in claim 3, characterized in that: the device is characterized in that a sliding device (6) is arranged on the support (1), the sliding device (6) comprises a sliding rail (603) fixedly connected to the support (1), a sliding ring (604) matched with the sliding rail (603) is arranged on the bottom surface of the workbench (2), the sliding ring (604) is slidably connected to the sliding rail (603), the sliding device (6) further comprises crawler wheels (601) rotatably connected to the support (1), the two crawler wheels (601) are in transmission connection through a crawler belt (602), a pressure rod (606) penetrating through the workbench (2) is further arranged at the output end of the cylinder (501), an L-shaped adjusting plate (607) is fixedly connected to the bottom surface of the workbench (2), the crawler belt (602) is located between the pressure rod (606) and the adjusting plate (607), a travel switch (605) used for controlling a power source of the crawler wheels (601) is arranged on the support (1), and the travel switch (605) corresponds to the slip ring (604).

9. The peanut pickup machine grass discharge fan impeller blade high-frequency quenching equipment as claimed in claim 8, wherein: the adjusting plate (607) is telescopic in the vertical direction.

10. The peanut pickup machine grass discharge fan impeller blade high-frequency quenching equipment as claimed in claim 1, characterized in that: workstation (2) below is equipped with water tank (7), be equipped with circulating water pump in water tank (7), and the water supply end of spray pipe (4) is linked together with the output of water pump, be equipped with the hole that leaks corresponding with water tank (7) on workstation (2), and the track (602) is kept away from in the hole that leaks.