A production process for track wheel blank

Abstract

The present invention relates to the technical field of production of supporting roller blanks, and in particular to a production process of supporting roller blanks, the process comprising the following steps: step S1, applying a coating agent in a forming column of a cooling centrifugal mechanism, then placing 1720°C molten iron in the forming column for rotating centrifugation, spraying and cooling the rolling column through a spray pipe, rotating for 7 minutes to cool and form to obtain a long column with a through hole in the middle; step S2, taking the long column out of the forming column, and then conveying it to a cutting mechanism for cutting; step S3, cutting the long column into short columns by a saw blade of the cutting mechanism, and then conveying it to a baking oven for heating; step S4, conveying the short columns heated to between 1050°C and 1150°C in the baking oven to a die press for die pressing, and finally obtaining a wheel blank. The present invention can directly manufacture a hollow column, which is convenient for the subsequent manufacture of wheel blanks and reduces production costs.

Description

Technical Field

[0001] The invention relates to the technical field of production of track roller blanks, in particular to a production process of track roller blanks. Background Art

[0002] The track rollers are used to support the weight of the tractor while rolling on the track rails (track links) or track shoes. They also limit the track and prevent it from slipping laterally. When the tractor turns, the track rollers force the track to slide on the ground. The first step in the production process of existing track roller blanks is to produce a solid cylinder, which is then drilled. Although this method can produce wheel blanks, it also significantly increases production costs. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a production process for a track wheel blank, which can directly manufacture a hollow cylinder, facilitate the subsequent manufacture of the wheel blank, and reduce production costs.

[0004] The present invention is implemented by the following technical solution: a production process of a track wheel blank, the process comprising the following steps:

[0005] Step S1, applying a coating agent inside the forming column of the cooling centrifugal mechanism, then placing molten iron into the forming column for rotating centrifugation, spraying and cooling the rolling column through a spray pipe, rotating for 7 minutes to cool and form a long column with a through hole in the middle;

[0006] Step S2, taking the long column out of the forming column and then conveying it to the cutting mechanism for cutting;

[0007] Step S3, cutting the long column into short columns by the saw blade of the cutting mechanism, and then transporting them into the oven for heating;

[0008] Step S4, after being heated to 1050° C.-1150° C. in the oven, the short column is transported to a molding machine for molding, and finally a wheel blank is obtained.

[0009] Preferably, it also includes a production device, which includes a cooling centrifugal mechanism, a cutting mechanism, an oven and a molding machine;

[0010] The cooling centrifugal mechanism comprises a forming column, a funnel for adding molten iron into the forming column, and a driving assembly for driving the forming column to rotate; the driving assembly is arranged between two walls, and the front and rear ends between the two walls are provided with support plates;

[0011] The cutting mechanism comprises a guide and centering assembly for guiding and centering the long column and a cutting assembly for cutting the long column into short columns; the cutting mechanism is arranged on a workbench;

[0012] A conveyor belt A is arranged between the discharge end of the cutting mechanism and the feed end of the oven, and a conveyor belt B is arranged between the discharge end of the oven and the feed end of the molding machine.

[0013] Preferably, the driving assembly comprises two rotating shafts arranged between the two walls, and both ends of the two rotating shafts are respectively connected to the support plate via a fixing seat; a supporting wheel for placing the forming column is installed on the rotating shaft;

[0014] The two rotating shafts include a rotating shaft A and a rotating shaft B, a pulley A is installed on the rotating shaft A, a first motor is arranged on the ground below the support plate, a pulley B is installed on the output shaft of the first motor, and the pulley B is connected to the pulley A via a transmission belt.

[0015] Preferably, a first swing rod is hinged on the wall on one side, a second swing rod is hinged at the end of the first swing rod, and the funnel is fixed on the second swing rod.

[0016] Preferably, both end openings of the forming column are fixed with cover plates via screws, and the cover plate on one side is provided with a feeding hole for the nozzle of the funnel to extend into.

[0017] Preferably, a spray pipe is provided on the upper inner side of the two walls, and the spray pipe has a plurality of nozzles.

[0018] Preferably, the guide centering assembly comprises a plurality of guide rollers mounted on the left side of the workbench;

[0019] A base is arranged on the right side of the guide roller, a conveyor belt is arranged on the base, and a rotating shaft on one side of the conveyor belt is driven by a second motor; the outer surface of the conveyor belt is toothed, so that the conveyor belt can increase the friction with the long column;

[0020] A first telescopic cylinder for squeezing and limiting the long column is arranged on the right side of the machine base.

[0021] Preferably, a plurality of conveying rollers for conveyor belt transmission are installed in the machine base; and limiting plates for limiting long columns are fixed on both the front and rear sides of the machine base.

[0022] Preferably, the cutting assembly comprises a lifting seat arranged on the right side of the workbench, and the lifting seat is driven by a second telescopic cylinder; the lifting seat has a channel A for the long column to pass through;

[0023] Two rotating wheels are installed on the right side of the lifting seat, and the saw blade is wound around the two rotating wheels; two turning blocks for changing the direction of the saw blade to a vertical direction are fixed between the two rotating wheels, so that the saw blade of the saw blade can be perpendicular to the long column so that the long column can be cut.

[0024] Preferably, a flushing pipe is provided on the lifting seat; a discharge plate is provided on the right side of the workbench, and the end of the discharge plate is located above the conveyor belt A.

[0025] Beneficial effects of the present invention:

[0026] The present invention provides an embodiment, in which molten iron can be rotated and centrifuged by a cooling centrifugal mechanism, and finally a long column with a through hole in the middle is obtained after cooling and forming; the long column can be limited and guided by a cutting mechanism, and then the long column is cut to obtain a plurality of short columns; the short columns can be heated by an oven to facilitate the die-casting machine to die-cast the short columns; the short columns can be die-casted by the die-casting machine to obtain a wheel blank; the molten iron can be rotated and centrifuged by a forming column, and finally a long column with a through hole in the middle is obtained after cooling and forming; the molten iron can be conveniently added to the forming column by a funnel; the forming column can be driven to rotate by a driving assembly; the long column can be guided by a guiding and centering assembly, and can be extruded and centered when the cutting mechanism cuts the long column, so as to prevent the long column from deviating from the position during cutting; the long column can be cut by a cutting assembly; the short columns cut by the cutting mechanism can be transported to the oven for heating by a conveyor belt A, and the short columns after heating can be transported to the die-casting machine for die-casting by a conveyor belt B.

[0027] The present invention can directly manufacture a hollow column, which is convenient for subsequent manufacturing of a wheel blank and reduces production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of the forming column and the cover plate.

[0029] Figure 2 It is a structural schematic diagram of the cover plate installed on the forming column.

[0030] Figure 3 It is a structural diagram of the funnel.

[0031] Figure 4 It is a top view schematic diagram of the formed column.

[0032] Figure 5 It is a front view schematic diagram of the cooling centrifugal mechanism.

[0033] Figure 6 It is a top view schematic diagram of the cooling centrifugal mechanism.

[0034] Figure 7 It is a structural diagram of the cutting mechanism.

[0035] Figure 8 It is the usage status diagram of the cutting mechanism.

[0036] Fig. 9 is a schematic diagram of a conveyor roller.

[0037] Fig.10 is a schematic front view of the cutting assembly.

[0038] Fig.11 It is a structural diagram of the lifting seat.

[0039] Fig.12 It is a structural diagram of the turning block.

[0040] Fig.13 It is a schematic diagram of the oven and the molding machine. DETAILED DESCRIPTION

[0041] The present invention will be further described below in conjunction with the accompanying drawings.

[0042] See also Figures 1 to 13 The present invention provides an embodiment: a production process for a track wheel blank, the process comprising the following steps:

[0043] Step S1, applying a coating agent inside the forming column of the cooling centrifugal mechanism, then putting molten iron at 1680°C-1800°C into the forming column for rotating centrifugation, spraying and cooling the rolling column through a spray pipe, rotating for 7 minutes to cool and form a long column with a through hole in the middle;

[0044] Step S2, taking the long column out of the forming column and then conveying it to the cutting mechanism for cutting;

[0045] Step S3, cutting the long column into short columns by the saw blade of the cutting mechanism, and then transporting them into the oven for heating;

[0046] Step S4, after being heated to 1050° C.-1150° C. in the oven, the short column is transported to a molding machine for molding, and finally a wheel blank is obtained.

[0047] The coating agent may include calcined kaolin for casting, diatomaceous earth, nano-bentonite, high temperature curing agent and alkaline silica sol. The coating agent can prevent molten iron from sticking to the forming column, making it easier to separate the long column.

[0048] The weight of the molten iron may be 100kg to 2000kg, and long columns of different thicknesses may be manufactured by using molten irons of different weights.

[0049] The material of the forming column is a high temperature resistant material, which may be four or five manganese.

[0050] The rotation speed of the forming column is 1500 rpm to 2500 rpm.

[0051] The oven can be heated to 1100°C.

[0052] The temperature of the molten iron may be 1720°C.

[0053] It also includes a production device, which includes a cooling centrifugal mechanism, a cutting mechanism, a baking oven 3 and a die pressing machine 4; the cooling centrifugal mechanism can be used to rotate the molten iron into a centrifugal form, and finally a long column 100 with a through hole in the middle can be obtained after cooling and forming; the cutting mechanism can be used to limit and guide the long column 100, and then the long column 100 can be cut to obtain a plurality of short columns 200; the baking oven 3 can be used to heat the short columns 200, so that the die pressing machine 4 can die-mold the short columns 200; the die pressing machine 4 can die-mold the short columns 200 to obtain a wheel blank.

[0054] The cooling centrifugal mechanism comprises a forming column 11, a funnel 12 for adding molten iron into the forming column 11, and a driving assembly for driving the forming column 11 to rotate; the molten iron can be rotated and centrifuged by the forming column 11, and finally a long column 100 with a through hole in the middle is obtained after cooling and forming; the molten iron can be easily added into the forming column 11 by the funnel 12; the forming column 11 can be driven to rotate by the driving assembly; the driving assembly is arranged between two walls 14, and the front and rear ends between the two walls 14 are provided with support plates 15;

[0055] The cutting mechanism includes a guide centering component for guiding and centering the long column 100 and a cutting component for cutting the long column 100 into short columns 200; the guide centering component can guide the long column 100, and can perform extrusion centering when the cutting mechanism cuts the long column 100, so as to prevent the long column 100 from deviating from the position during cutting; the cutting component can cut the long column 100; the cutting mechanism is arranged on a workbench 5;

[0056] A conveyor belt A6 is arranged between the discharge end of the cutting mechanism and the feed end of the oven 3, and the short columns 200 cut by the cutting mechanism can be conveyed to the oven 3 for heating through the conveyor belt A6. A conveyor belt B7 is arranged between the discharge end of the oven 3 and the feed end of the molding machine 4, and the short columns 200 after heating can be conveyed to the molding machine 4 for molding through the conveyor belt B7.

[0057] The driving assembly includes two rotating shafts arranged between the two walls 14, which are used to drive the support wheels to rotate, thereby driving the forming column 11 to rotate; the two ends of the two rotating shafts are respectively connected to the support plate 15 through the fixing seat 133; the supporting wheels for placing the forming column 11 are installed on the rotating shaft;

[0058] The two rotating shafts include a rotating shaft A131 and a rotating shaft B132, and the supporting wheels include a supporting wheel A134 installed at the front and rear ends of the rotating shaft A131, and a supporting wheel B135 installed at the front and rear ends of the rotating shaft B132, so that the forming column 11 can be better supported; a pulley A136 is installed on the rotating shaft A131, so that when the pulley A136 rotates, it can simultaneously drive the rotating shaft A131 to rotate; a first motor 137 is arranged on the ground below the support plate 15, and a pulley B138 is installed on the output shaft of the first motor 137, and the pulley B138 is connected to the pulley A136 via a transmission belt 139.

[0059] Start the first motor 137 to drive the pulley B138 to rotate, thereby driving the transmission belt 139 to drive, thereby driving the pulley A136 to rotate, thereby driving the rotating shaft A131 to rotate, thereby driving the support wheel A134 to rotate, and then driving the forming column 11 to rotate; when the forming column 11 rotates, it drives the support wheel B135 to rotate, thereby driving the rotating shaft B132 to rotate.

[0060] A first swing arm 16 is hinged on the wall 14 on one side, a second swing arm 17 is hinged at the end of the first swing arm 16, and the funnel 12 is fixed on the second swing arm 17. The funnel 12 can be moved by being hinged, so that the nozzle 121 of the funnel 12 can be easily inserted into the feeding hole 191.

[0061] The openings at both ends of the forming column 11 are fixed with cover plates 19 via screws 18, and placement grooves 111 for embedding the cover plates 19 are provided on the front and rear end surfaces of the forming column 11, and a plurality of threaded holes 112 cooperating with the screws 18 are provided in the circumferential direction of the placement grooves 111; the cover plate 19 is provided with exhaust holes 191, and since the high temperature of the molten iron will generate gas, the exhaust can be discharged through the exhaust holes 191; the exhaust holes 191 on one side can also be used as a feeding hole, which can facilitate the funnel 12 to add molten iron into the forming column 11.

[0062] When molten iron needs to be added to the forming column 11, the cover plate 19 is embedded in the placement groove 111, and the screw 18 is screwed into the threaded hole 112 to fix the cover plate 19; then the funnel 12 is rotated around the hinge point of the first swing arm 16 and the second swing arm 17, and the funnel 12 is rotated to the forming column 11, so that the nozzle 121 extends into the feeding hole 191; then the first motor 137 is started to drive the forming column 11 to rotate. During the rotation of the forming column 11, the molten iron is poured into the funnel 12 and flows into the forming column 11.

[0063] A spray pipe 101 is provided on the inner upper side of the two walls 14. The spray pipe 101 has a plurality of nozzles 102, which can spray and cool the forming column 11 when the forming column 11 rotates, so as to cool the molten iron and form it.

[0064] The guide centering assembly includes a plurality of guide rollers 211 installed on the left side of the workbench 5. Both the front and rear ends of the guide rollers 211 are connected to the workbench 5 via a bearing seat 212. The guide rollers 211 can guide the long column 100 when it moves.

[0065] A base 213 is provided on the right side of the guide roller 211, and a conveyor belt 214 is provided on the base 213. A rotating shaft on one side of the conveyor belt 214 is driven by a second motor 215. The second motor 215 can drive the rotating shaft to rotate, thereby driving the conveyor belt 214 to transmit. The outer surface of the conveyor belt 214 is toothed (not shown), so that the conveyor belt 214 can increase the friction with the long column 100, so that the conveyor belt 214 can better drive the long column 100 to move when transmitting.

[0066] A first telescopic cylinder 216 for squeezing and limiting the long column 100 is provided on the right side of the machine base 213; mounting seats 217 are fixed to the front and rear ends of the right side of the machine base 213 for mounting the first telescopic cylinder 216; the first telescopic cylinder 216 is mounted on the mounting seat 217, and a squeezing block 218 is fixed to the push rod of the first telescopic cylinder 216 for squeezing the long column 100; when the long column 100 is cut, the squeezing block 218 is driven by the first telescopic cylinder 216 to squeeze and limit the long column 100 to prevent the long column 100 from deviating from the position during cutting.

[0067] A plurality of conveyor rollers 219 for driving the conveyor belt 214 are installed in the base 213. The conveyor rollers 219 can guide and support the conveyor belt 214 to prevent the long column 100 from crushing the conveyor belt 214. Limiting plates 2110 for limiting the long column 100 are fixed on both the front and rear sides of the base 213. The limiting plates 2110 are inclined and contact the outer side of the long column 100, so that the conveyor belt 214 will not deviate from the direction when driving the long column 100 to move.

[0068] The cutting assembly includes a lifting seat 221 arranged on the right side of the workbench 5, and the lifting seat 221 is driven by a second telescopic cylinder 222. The lifting seat 221 can be driven to move up and down by the second telescopic cylinder 222, so that the saw blade 227 can be driven to move up and down to cut the long column 100; there are two second telescopic cylinders 222, which are respectively installed at the front and rear ends of the workbench 5, and the push rod of the second telescopic cylinder 222 is connected to the lifting seat 221 through a connecting block 223; the lifting seat 221 has a channel A224 for the long column 100 to pass through;

[0069] Two rotating wheels 225 are installed on the right side of the lifting seat 221, one of which is driven by a third motor 226. The saw blade 227 is wound around the two rotating wheels 225. The third motor 226 can drive the rotating wheels 225 to rotate, thereby driving the saw blade 227 to transmit, which is convenient for cutting the long column 100; two turning blocks 228 for changing the direction of the saw blade 227 to a vertical direction are fixed between the two rotating wheels 225, so that the saw blade of the saw blade 227 can be perpendicular to the long column 100 so that the long column 100 can be cut, and the turning block 228 has a channel B for the saw blade 227 to pass through, and the shape of the channel B is a rectangle, and the long side of the rectangle is vertically downward.

[0070] The lifting seat 221 is provided with a flushing pipe 229, which is installed at the upper end of the right side surface of the lifting seat 221 through a mounting block 2210. The water outlet of the flushing pipe 229 is aligned with the position where the saw blade 227 cuts the long column 100, so that when the saw blade 227 cuts the long column 100, the flushing pipe 229 can flush water to reduce the temperature of the cutting position.

[0071] The right side of the workbench 5 is provided with a discharge plate 2211 for conveying the short column 200 to the conveyor belt A6, and the end of the discharge plate 2211 is located above the conveyor belt A6.

[0072] When the conveyor belt 214 drives the right end of the long column 100 to move to the bottom of the saw blade 227, the first telescopic cylinder 216 is started to drive the extrusion block 218 to squeeze and limit the long column 100, and then the third motor 226 is started to drive the rotating wheel 225 to rotate, thereby driving the saw blade 227 to drive and cut the long column 100. During the transmission of the saw blade 227, the two second telescopic cylinders 222 simultaneously drive the connecting block 223 to move downward, thereby driving the lifting seat 221 to move downward, and then driving the saw blade 227 to move downward to cut the long column 100 downward. After the cutting is completed, the short column 200 obtained is transported to the conveyor belt A6 through the discharge plate 2211.

[0073] In one embodiment of the present invention, both front and rear ends of the outer circumference of the forming column 11 are provided with limiting grooves 113 with the same width as the supporting wheel, so that the forming column 11 can be limited during its rotation.

[0074] In one embodiment of the present invention, the extrusion block 218 may be a rubber block, so that it can play a buffering role when the long column 100 is extruded to avoid damage to the long column 100.

[0075] In one embodiment of the present invention, a plurality of rollers 2111 are disposed on the inner side surfaces of the two limiting plates 2110 , which can limit the long column 100 and also serve as a guide.

[0076] The oven, the molding machine, the motor, and the telescopic cylinder in the present invention are all prior arts, and those skilled in the art are already well aware of them, so they will not be described in detail here.

[0077] The above description is only a preferred embodiment of the present invention and should not be construed as limiting the present application. All equivalent changes and modifications made within the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. A production process for a track roller blank, characterized in that: The process comprises the following steps: Step S1, applying a coating agent inside the forming column of the cooling centrifugal mechanism, then placing molten iron into the forming column for rotating centrifugation, spraying and cooling the rolling column through a spray pipe, rotating for 7 minutes to cool and form a long column with a through hole in the middle; Step S2, taking the long column out of the forming column and then conveying it to the cutting mechanism for cutting; Step S3, cutting the long column into short columns by the saw blade of the cutting mechanism, and then transporting them into the oven for heating; Step S4, the short column heated to between 1050° C. and 1150° C. in the oven is transported to a molding machine for molding, and finally a wheel blank is obtained; Also included is a production device, which includes a cooling centrifugal mechanism, a cutting mechanism, an oven, and a die press; The cooling centrifugal mechanism comprises a forming column, a funnel for adding molten iron into the forming column, and a driving assembly for driving the forming column to rotate; the driving assembly is arranged between two walls, and the front and rear ends between the two walls are provided with support plates; The cutting mechanism comprises a guide and centering assembly for guiding and centering the long column and a cutting assembly for cutting the long column into short columns; the cutting mechanism is arranged on a workbench; A conveyor belt A is provided between the discharge end of the cutting mechanism and the feed end of the oven, and a conveyor belt B is provided between the discharge end of the oven and the feed end of the molding machine; The driving assembly includes two rotating shafts arranged between the two walls, and the two ends of the two rotating shafts are respectively connected to the support plate through a fixing seat; the rotating shafts are equipped with support wheels for placing the forming columns; The two rotating shafts include a rotating shaft A and a rotating shaft B, a pulley A is installed on the rotating shaft A, a first motor is arranged on the ground below the supporting plate, a pulley B is installed on the output shaft of the first motor, and the pulley B is connected to the pulley A via a transmission belt; The guide centering assembly includes a plurality of guide rollers mounted on the left side of the workbench; A base is arranged on the right side of the guide roller, a conveyor belt is arranged on the base, and a rotating shaft on one side of the conveyor belt is driven by a second motor; the outer surface of the conveyor belt is toothed, so that the conveyor belt can increase the friction with the long column; A first telescopic cylinder for squeezing and limiting the long column is arranged on the right side of the machine base; The cutting assembly includes a lifting seat arranged on the right side of the workbench, and the lifting seat is driven by a second telescopic cylinder; the lifting seat has a channel A for the long column to pass through; Two rotating wheels are installed on the right side of the lifting seat, and the saw blade is wound around the two rotating wheels; two turning blocks for changing the direction of the saw blade to a vertical direction are fixed between the two rotating wheels, so that the saw blade of the saw blade can be perpendicular to the long column so that the long column can be cut.

2. The process for producing a track roller blank according to claim 1, characterized in that: A first swing rod is hinged on the wall on one side, a second swing rod is hinged at the end of the first swing rod, and the funnel is fixed on the second swing rod.

3. The process for producing a track roller blank according to claim 2, characterized in that: Both end openings of the forming column are fixed with cover plates via screws, and the cover plates are provided with exhaust holes.

4. The process for producing a track roller blank according to claim 1, characterized in that: A spray pipe is arranged on the upper inner side of the two walls, and a plurality of nozzles are arranged on the spray pipe.

5. The process for producing a track roller blank according to claim 1, characterized in that: A plurality of conveying rollers for conveyor belt transmission are installed in the machine base; and limiting plates for limiting long columns are fixed on both the front and rear sides of the machine base.

6. The process for producing a track roller blank according to claim 1, characterized in that: A flushing pipe is provided on the lifting seat; a discharge plate is provided on the right side of the workbench, and the end of the discharge plate is located above the conveyor belt A.

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