CN115709368A - High-quality die-cast gear steel and preparation method thereof - Google Patents

High-quality die-cast gear steel and preparation method thereof Download PDF

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Publication number
CN115709368A
CN115709368A CN202211451417.0A CN202211451417A CN115709368A CN 115709368 A CN115709368 A CN 115709368A CN 202211451417 A CN202211451417 A CN 202211451417A CN 115709368 A CN115709368 A CN 115709368A
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China
Prior art keywords
plate
rod
sliding
transmission
guide
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CN202211451417.0A
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Chinese (zh)
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罗晓芳
徐卫明
吴海军
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Zhangjiagang Guangda Special Material Co ltd
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Zhangjiagang Guangda Special Material Co ltd
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Priority to CN202211451417.0A priority Critical patent/CN115709368A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Abstract

The invention discloses high-quality die casting gear steel and a preparation method thereof, wherein the high-quality die casting gear steel comprises the following components: c:0.18-0.20%, mn:1.0-1.2%, cr:0.9-1.1%, ti:0.04-0.08%, ni:0.8-1.2%, si:0.2-0.3%, P: less than or equal to 0.03%, S:0.015-0.03%, the rest is iron; the preparation method of the gear steel comprises the following specific steps: smelting in an electric furnace; refining after vacuum carbon deoxidation; after the molten steel is poured, cooling to form a billet; after forging, carrying out heat treatment on the steel billet, and carrying out hot rolling after the heat treatment; cutting off; and (6) annealing. According to the invention, through the cooperation of the transmission assembly, the rotating rod, the cam and the lifting assembly, the steel billet can be cut by the cutting knife, and meanwhile, the steel billet is blocked by the connecting rod and the material blocking rod, so that quantitative cutting is realized.

Description

High-quality die-cast gear steel and preparation method thereof
Technical Field
The invention relates to the technical field of gear steel preparation, in particular to high-quality die casting gear steel and a preparation method thereof.
Background
The gear steel is a general name of alloy materials for processing and manufacturing gears, is one of key materials with high requirements in special alloy materials used in the fields of wind power equipment, rail transit, mechanical equipment, automobile manufacturing, ship manufacturing and the like, takes the wind power equipment as an example, more than 80% of faults occur in a gear box and a generator, the gear box is a key component of a transmission system of the wind power equipment and is a core component for completing wind energy conversion, and the occurrence of the faults easily causes the shutdown of equipment, so that the requirements on the performance of the gear steel materials of the gear box are extremely strict.
In the actual preparation process, after the steel billet of the gear steel is subjected to hot rolling, quantitative cutting operation needs to be carried out on the steel billet subjected to hot rolling by using cutting equipment, and then the steel billet is conveyed to an annealing furnace through a conveyor for annealing.
Therefore, it is necessary to invent a high quality die cast gear steel and a method for preparing the same to solve the above problems.
Disclosure of Invention
The invention aims to provide high-quality die casting gear steel and a preparation method thereof, and aims to solve the problems that in the prior art, when steel billets are conveyed by a conveyor, the steel billets with different sizes may deviate during movement, the stability is poor, the cutting operation of cutting equipment is inconvenient, and the machining accuracy is reduced.
In order to achieve the above purpose, the invention provides the following technical scheme: the high-quality die casting gear steel comprises gear steel, and the gear steel comprises the following components: c:0.18-0.20%, mn:1.0-1.2%, cr:0.9-1.1%, ti:0.04-0.08%, ni:0.8-1.2%, si:0.2-0.3%, P: less than or equal to 0.03%, S:0.015-0.03%, the rest is iron;
the preparation method of the gear steel comprises the following specific steps:
s1: smelting in an electric furnace;
s2: refining after vacuum carbon deoxidation;
s3: after pouring the molten steel, cooling to form a billet;
s4: after forging the steel blank, carrying out heat treatment, and carrying out hot rolling after the heat treatment;
s5: cutting, namely cutting the steel blank subjected to hot rolling by a cutting device;
s6: annealing, and inspecting a finished product after the annealing is finished;
the cutting device used in the preparation method comprises a conveying part and a cutting part arranged on one side of the conveying part, wherein a guide part is arranged at the top of the conveying part;
the cutting-off part comprises a cutting-off mechanism, a transmission device, an adjusting device, a material blocking device, a shielding device, a limiting plate and a supporting box for mounting each component, the adjusting device comprises an adjusting motor and an adjusting assembly, an output shaft of the adjusting motor is connected with an one-way lead screw, a second nut sliding seat is sleeved on the outer wall of the one-way lead screw, the transmission device comprises a double-acting driving cylinder, a transmission assembly and a rotating rod, one end of the rotating rod is arranged on a mounting plate through a bearing in a rotating mode, the mounting plate is detachably mounted on the outer wall of the second nut sliding seat, the material blocking device comprises a cam which is fixedly sleeved on the outer wall of the rotating rod and a lifting assembly which is arranged at the top of the cam, one side of the lifting assembly is provided with a fixed support, the bottom of the fixed support is in bolted connection with three connecting rods which are distributed in a linear array, and a material blocking rod is mounted at the lower end of each connecting rod;
the cutting mechanism comprises a mounting bracket fixedly connected with one end of a piston rod of the double-acting driving cylinder, and a linear driver for driving the cutting knife is arranged at the bottom of the mounting bracket;
the guide portion includes two-way lead screw, all the cover is equipped with the first nut slide that motion direction is opposite on the outer wall at two-way lead screw both ends, the bottom of first nut slide is fixed with T shape connecting rod, the bottom demountable installation of T shape connecting rod has the guide board that is used for forming splayed guide channel.
As a preferable scheme of the invention, the adjusting assembly comprises an auxiliary support and a wedge block, an auxiliary inclined plate which is obliquely arranged is arranged on the auxiliary support, the wedge block is detachably mounted at the top of the second nut sliding seat, an inclined surface of the wedge block is attached to the auxiliary inclined plate, and the wedge block is slidably connected with the auxiliary inclined plate.
As a preferable scheme of the invention, the transmission assembly comprises a transmission rack and a v-21274arranged at the other end of the double-acting driving cylinder in a detachable mode, one side of the transmission rack is connected with a transmission gear in a meshing mode, the center position of the transmission gear is fixedly connected with a transmission rod in an inserted mode, one end of the transmission rod is rotatably connected with the inner wall of the supporting box through a bearing, and the v-21274is rotationally provided with a tension rod at one side of the v-shaped moving rack, and the tension rod, the transmission rod and the rotating rod are in transmission connection through a transmission belt;
the device comprises a support box, a v-shaped 21274;, a v-shaped moving frame, a limiting baffle plate, two adjusting vertical rods and an auxiliary support, wherein the v-shaped 21274is symmetrically provided with first return springs on the inner side of the v-shaped moving frame, the lower end of each first return spring is fixedly connected with a bottom plate of the support box, the v-shaped 21274is provided with the limiting baffle plate above the v-shaped moving frame, the top of the v-shaped moving frame is detachably provided with the two adjusting vertical rods which are symmetrically distributed, and the adjusting vertical rods penetrate through holes in the limiting baffle plate and then are fixedly connected with the bottom of the auxiliary support.
As a preferred scheme of the invention, the lifting assembly comprises a lifting plate attached to the outer arc surface of the cam, the lifting plate is connected with the second nut sliding seat through a telescopic rod, a hollowed plate used for being in sliding fit with a sliding through hole in the top plate of the supporting box is fixed to the top of the lifting plate, a T-shaped plate is fixed to the top of the hollowed plate, guide rods are arranged in four through holes which are distributed in a rectangular shape in a sliding mode, guide blocks are fixed to two ends of each guide rod, a second return spring is sleeved on the outer wall of each guide rod, two ends of each second return spring are respectively connected with the T-shaped plate and the guide block located at the bottom of the T-shaped plate, a guide rail used for limiting the guide blocks is arranged on the outer side of the guide block located at the bottom of the T-shaped plate, and the guide rail is fixed to the top of the top plate of the supporting box.
As a preferable scheme of the present invention, the shielding device includes a shielding box penetrating through a top plate of the supporting box, the shielding box is disposed on one side of the sliding through hole, a third return spring is installed inside the shielding box, one end of the third return spring is fixedly connected to an inner wall of the shielding box, the other end of the third return spring is installed with a sliding plate, a shielding plate for shielding the sliding through hole is fixed on one side of the sliding plate away from the third return spring, and the shielding plate penetrates through a through hole on the shielding box and is slidably connected to the sliding through hole.
As a preferable scheme of the invention, a supporting seat is arranged at the bottom of the adjusting motor, the supporting seat is used for installing the adjusting motor, the supporting seat is fixed at the top of a bottom plate of the supporting box, sliding grooves are symmetrically formed in one side of the supporting seat, and the limiting baffle is fixed on one side of the supporting seat.
As a preferable scheme of the invention, sliding blocks are symmetrically arranged on one side of the rectangular moving frame close to the supporting seat, and the sliding blocks are in sliding connection with the sliding grooves.
According to the preferable scheme, the limiting plate is arranged at one end, away from the mounting plate, of the rotating rod, the limiting plate is fixed on the inner wall of the supporting box, the limiting plate is provided with the strip-shaped through hole, and one end of the rotating rod is provided with the sliding head in sliding connection with the strip-shaped through hole.
As a preferable embodiment of the present invention, the top of the conveying part is symmetrically fixed with a support plate, and the bidirectional screw is rotatably disposed on the support plate.
In the technical scheme, the invention has the following technical effects and advantages:
1. the conveying part conveys the steel billet after hot rolling, the double-acting driving cylinder is started, the transmission assembly, the rotating rod, the cam and the lifting assembly are matched, the connecting rod and the material blocking rod are utilized to block the steel billet while the cutting knife moves downwards to cut the steel billet, quantitative cutting is realized, meanwhile, the connecting rod, the material blocking rod and the guide plate are matched for use, the steel billet can be limited, the stability of the steel billet can be further improved, the consistency of the length of a finished product is improved, only a single power mechanism is used, and the use cost can be saved;
2. the adjusting motor drives the one-way screw to enable the second nut sliding seat to move along the one-way screw, meanwhile, the telescopic rod is utilized to enable the second nut sliding seat to drive the lifting plate to move, so that the distance between the material blocking rod and the cutting mechanism is changed, finished products with different lengths can be cut, the applicability is improved, and through the matched use of the one-way screw, the second nut sliding seat, the adjusting assembly, the transmission assembly and the limiting plate, when the distance between the material blocking rod and the cutting mechanism is adjusted, the transmission belt can be tensioned, and the influence on the operation of the transmission assembly is avoided;
3. when the hollow plate moves towards the direction close to the cutting mechanism in the sliding through hole, the shielding plate is extruded through the hollow plate, the shielding plate moves towards the inside of the shielding box, the sliding plate is driven to extrude a third reset spring through the shielding plate, buffering is performed through the third reset spring, the stability is improved, the hollow plate moves to the leftmost end when the device is not used, meanwhile, the third reset spring is utilized to enable the shielding plate to move along with the hollow plate, the sliding through hole is covered through the hollow plate and the shielding plate, dust can be effectively prevented from entering the supporting box from the sliding through hole when idle equipment is avoided, the dustproof effect is achieved, and the protection of all parts inside the supporting box is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a perspective view from a second perspective of the present invention;
FIG. 3 is an internal mounting view of the support box of the present invention;
FIG. 4 is a matching view of the material blocking device, the transmission device, the shielding device and the adjusting device of the invention;
FIG. 5 is a perspective view of the transmission and adjustment device of the present invention;
FIG. 6 is a perspective view of a shaped mobile frame of the present invention;
FIG. 7 is a perspective view of the support base of the present invention;
FIG. 8 is a matching view of the material blocking device and a limiting plate of the invention;
fig. 9 is a perspective cut-away view of the shielding device of the present invention.
Description of the reference numerals:
1. a conveying section; 2. a support box; 21. a slide through hole;
3. a guide section; 31. a bidirectional lead screw; 32. a T-shaped connecting rod; 33. a first nut slide; 34. a guide plate; 4. a support plate;
5. a material blocking device; 51. a cam; 52. a lifting plate; 53. a guide rail; 54. a hollowed-out plate; 55. a guide rod; 551. a second return spring; 552. a guide block; 56. a T-shaped plate; 57. a fixed bracket; 58. a connecting rod; 59. a material blocking rod;
6. a transmission device; 61. a double-acting driving cylinder; 62. a drive rack; 63. a transmission gear; 64. a transmission rod; 65. \ 21274; -shaped mobile frame; 651. a first return spring; 652. a tension rod; 653. adjusting the vertical rod; 654. a slider; 66. a limit baffle; 67. rotating the rod; 671. a sliding head; 68. mounting a plate;
7. a shielding device; 71. a shielding box; 72. a third return spring; 73. a shielding plate; 74. a sliding plate;
8. a limiting plate; 81. a strip-shaped through hole;
9. mounting a bracket; 91. a linear actuator; 92. a cutting knife;
10. an adjustment device; 101. adjusting the motor; 102. a one-way lead screw; 103. an auxiliary support; 104. a wedge block; 105. a supporting seat; 1051. a sliding groove.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The invention provides high-quality die casting gear steel as shown in figures 1-9 and a preparation method thereof, wherein the high-quality die casting gear steel comprises the following components: c:0.18-0.20%, mn:1.0-1.2%, cr:0.9-1.1%, ti:0.04-0.08%, ni:0.8-1.2%, si:0.2-0.3%, P: less than or equal to 0.03%, S:0.015-0.03%, the rest is iron;
the preparation method of the gear steel comprises the following specific steps:
s1: smelting in an electric furnace;
s2: refining after vacuum carbon deoxidation;
s3: after pouring the molten steel, cooling to form a billet;
s4: after forging the steel blank, carrying out heat treatment, and carrying out hot rolling after the heat treatment;
s5: cutting, namely cutting the steel blank subjected to hot rolling by a cutting device;
s6: annealing, and inspecting a finished product after the annealing is finished;
the cutting device used in the preparation method comprises a conveying part 1 and a cutting part arranged on one side of the conveying part 1, wherein a guide part 3 is arranged at the top of the conveying part 1 in the structure;
in the structure, a cutting part comprises a cutting mechanism, a transmission device 6, an adjusting device 10, a material blocking device 5, a shielding device 7, a limiting plate 8 and a supporting box 2 for mounting each component, wherein the adjusting device 10 comprises an adjusting motor 101 and an adjusting assembly, an output shaft of the adjusting motor 101 is connected with a one-way lead screw 102, a second nut sliding seat is sleeved on the outer wall of the one-way lead screw 102, the transmission device 6 comprises a double-acting driving cylinder 61, the transmission assembly and a rotating rod 67, one end of the rotating rod 67 is rotatably arranged on a mounting plate 68 through a bearing, the mounting plate 68 is detachably arranged on the outer wall of the second nut sliding seat, the material blocking device 5 comprises a cam 51 fixedly sleeved on the outer wall of the rotating rod 67 and a lifting assembly arranged at the top of the cam 51, a fixing support 57 is arranged on one side of the lifting assembly, three connecting rods 58 distributed in a linear array are bolted to the bottom of the fixing support 57, and the material blocking rod 59 is mounted at the lower end of the connecting rod 58;
the cutting mechanism comprises a mounting bracket 9 fixedly connected with one end of a piston rod of a double-acting driving cylinder 61, a linear driver 91 for driving a cutting knife 92 is arranged at the bottom of the mounting bracket 9, the linear driver 91 can be a linear module, a hydraulic cylinder and the like, and the linear driver 91 can drive the cutting knife 92 to horizontally reciprocate, so that the cutting operation of a steel blank is facilitated;
guide portion 3 includes two-way lead screw 31 in the structure, all overlaps on the outer wall at two-way lead screw 31 both ends to be equipped with the first nut slide 33 that the direction of motion is opposite, and the bottom of first nut slide 33 is fixed with T shape connecting rod 32, and demountable installation has the guide board 34 that is used for forming the splayed guide passageway in the bottom of T shape connecting rod 32.
Concretely, carry the billet after the hot rolling through conveying part 1, start double-acting driving cylinder 61, through transmission assembly, dwang 67, cam and with lifting unit's cooperation, can move down the cutting billet in cutting knife 92, utilize connecting rod 58 and striker rod 59 to block the billet, carry out the ration cutting, simultaneously through connecting rod 58, striker rod 59 uses with guide plate 34's cooperation, can be spacing to the billet, and then can improve the stability of billet, help improving the uniformity of finished product length, and only used single power unit, use cost can be saved, start adjusting motor 101, through one-way lead screw 102, the second nut slide, adjusting part, transmission assembly and limiting plate 8's cooperation is used, can be when adjusting the distance between striker rod 59 and the cutting mechanism, make the drive belt tensioning, avoid causing the influence to the operation of transmission assembly.
Referring to fig. 3-5, in order to improve the applicability of the present invention, the adjusting assembly in the structure includes an auxiliary support 103 and a wedge 104, the auxiliary support 103 is provided with an inclined auxiliary inclined plate, the wedge 104 is detachably mounted on the top of the second nut sliding seat, the inclined surface of the wedge 104 is attached to the auxiliary inclined plate, and the wedge 104 is slidably connected to the auxiliary inclined plate.
Specifically, the adjusting motor 101 is started, the one-way lead screw 102 is driven by the adjusting motor 101, the second nut slide seat is enabled to move along the one-way lead screw 102, meanwhile, the telescopic rod is utilized to enable the second nut slide seat to drive the lifting plate 52 to move, further, the distance between the material blocking rod 59 and the cutting mechanism is enabled to change, finished products with different lengths can be cut, the applicability is improved, when the second nut slide seat wedge block 104 is close to the adjusting motor 101, the wedge block 104 is matched with the auxiliary inclined plate on the auxiliary support 103, the auxiliary support 103 is enabled to move downwards under the action of gravity and the elastic force of the first reset spring 651, the adjusting vertical rod 653 is driven to move downwards by the auxiliary support 103, the tension 21274is enabled to move downwards, the shape moving frame 65 is enabled to move downwards, further, the transmission belt is enabled to be tensioned, and the influence on the operation of the transmission assembly is avoided.
Referring to fig. 3-7, in order to improve the consistency of the length of the finished product, the structure of the transmission assembly comprises a transmission rack 62 and a v-21274which are detachably mounted at the other end of a double-acting driving cylinder 61, a shape moving frame 65, one side of the transmission rack 62 is engaged and connected with a transmission gear 63, the center position of the transmission gear 63 is fixedly inserted with a transmission rod 64, one end of the transmission rod 64 is rotatably connected with the inner wall of the supporting box 2 through a bearing, and v-21274, one side of the shape moving frame 65 is rotatably provided with a tension rod 652, and the tension rod 652, the transmission rod 64 and the rotating rod 67 are in transmission connection through a transmission belt;
in the structure, 21274, first return springs 651 are symmetrically arranged on the inner sides of the shaped moving frames 65, the lower ends of the first return springs 651 are fixedly connected with a bottom plate of the supporting box 2, the 21274is arranged on the upper portions of the shaped moving frames 65, limiting baffles 66 and 21274are arranged on the top portions of the shaped moving frames 65, two adjusting vertical rods 653 which are symmetrically distributed are detachably mounted on the top portions of the shaped moving frames 65, and the adjusting vertical rods 653 penetrate through holes in the limiting baffles 66 and then are fixedly connected with the bottoms of the auxiliary supports 103.
Specifically, when the double-acting driving cylinder 61 drives the cutting knife 92 to move downwards, the double-acting driving cylinder 61 controls the transmission rack 62 to be meshed with the transmission gear 63 for transmission, the transmission gear 63 is driven to rotate through the transmission rack 62 to realize the transmission rod 64, then the transmission belt is utilized to drive the tensioning rod 652 and the rotation rod 67 to rotate, the cam 51 is driven to rotate through the rotation rod 67, so that the stop rod 59 is lifted and lowered, the cutting knife 92 can move downwards to cut the billet, the connecting rod 58 and the stop rod 59 are used for blocking the billet, the consistency of the finished product length can be improved, only a single power mechanism is used, and the use cost can be saved.
Referring to fig. 3-4 and 8, in order to realize quantitative cutting of the billet and improve the stability of the billet, the lifting assembly in the structure comprises a lifting plate 52 attached to the outer arc surface of the cam 51, the lifting plate 52 is connected with the second nut slide seat through a telescopic rod, the telescopic rod adopts the prior art, the structure of the telescopic rod can be selected according to actual conditions, and therefore the telescopic rod is not marked in the drawing, a hollow plate 54 for slidably matching with the sliding through hole 21 on the top plate of the supporting box 2 is fixed at the top of the lifting plate 52, a T-shaped plate 56 is fixed at the top of the hollow plate 54, guide rods 55 are slidably arranged in four through holes which are distributed in a rectangular shape on the T-shaped plate 56, guide blocks 552 are fixed at both ends of each guide rod 55, a second return spring 551 is sleeved on the outer wall of each guide rod 55, both ends of each second return spring 551 are respectively connected with the T-shaped plate 56 and the guide block 552 located at the bottom, a guide rail 53 for limiting the guide blocks 552 is arranged outside the guide blocks 552 located at the bottom of the top plate of the supporting box 2, and the guide rail 53 is fixed at the top plate of the supporting box 2.
Specifically, in the process that the long side of the cam 51 rotates to the short side, the lifting plate 52 moves downwards under the action of the elastic force and gravity of the second return spring 551, the hollow plate 54 is driven to move downwards through the lifting plate 52, the T-shaped plate 56 drives the fixing support 57 to move downwards, the connecting rod 58 and the material blocking rod 59 are driven to move downwards, the connecting rod 58 and the material blocking rod 59 moving downwards to the bottommost end block the billet from moving continuously, quantitative cutting of the billet is achieved, the connecting rod 58, the material blocking rod 59 and the guide plate 34 are used in a matched mode, the billet can be limited, the stability of the billet can be improved, cutting of the billet is facilitated, the machining accuracy is improved, in the process of adjusting the distance between the material blocking rod 59 and the cutting mechanism, the guide block 552 is guided and limited through the guide rail 53, and the operation stability of the mechanism can be improved.
Referring to fig. 1-3 and fig. 9, in order to prevent dust from entering the inside of the supporting box 2 from the sliding through hole 21 when the device is not in use, the shielding device 7 in the structure includes a shielding box 71 penetrating through the top plate of the supporting box 2, the shielding box 71 is disposed on one side of the sliding through hole 21, a third return spring 72 is mounted inside the shielding box 71, one end of the third return spring 72 is fixedly connected with the inner wall of the shielding box 71, the other end of the third return spring is mounted with a sliding plate 74, a shielding plate 73 for shielding the sliding through hole 21 is fixed on one side of the sliding plate 74 away from the third return spring 72, and the shielding plate 73 penetrates through the through hole on the shielding box 71 and is slidably connected with the sliding through hole 21.
Specifically, when the hollow plate 54 moves in the direction close to the cutting mechanism in the sliding through hole 21, the shielding plate 73 is extruded through the hollow plate 54, so that the shielding plate 73 moves towards the inside of the shielding box 71, the sliding plate 74 is driven to extrude the third return spring 72 through the shielding plate 73, buffering is performed through the third return spring 72, stability is improved, when the device is not used, the hollow plate 54 moves to the leftmost end, meanwhile, the shielding plate 73 moves along with the hollow plate 54 through the third return spring 72, the sliding through hole 21 is covered through the hollow plate 54 and the shielding plate 73, dust can be effectively prevented from entering the supporting box 2 from the sliding through hole 21 when the device is not used, a dustproof effect is achieved, and protection of all parts inside the supporting box 2 is facilitated.
In the above scheme, the bottom of adjusting motor 101 is equipped with supporting seat 105 in the structure, and supporting seat 105 is used for installing adjusting motor 101, and supporting seat 105 is fixed in the top of supporting box 2 bottom plate, and sliding tray 1051 has been seted up to one side symmetry of supporting seat 105, and limit baffle 66 is fixed in one side of supporting seat 105, supports adjusting motor 101 and limit baffle 66 through the supporting seat 105 that sets up.
In the scheme, in the structure, sliding blocks 654 are symmetrically arranged on one side of the v-shaped moving frame 65 close to the supporting seat 105, the sliding blocks 654 are in sliding connection with the sliding grooves 1051, and the v-shaped moving frame 65 is guided and limited by the matching of the arranged sliding blocks 654 and the sliding grooves 1051, so that the v-shaped moving frame 65 is prevented from deviating in the moving process.
In the above scheme, the limiting plate 8 sets up in the structure in the one end that mounting panel 68 was kept away from to dwang 67, and limiting plate 8 is fixed in the inner wall that supports case 2, seted up on the limiting plate 8 with bar through-hole 81, and the one end of dwang 67 be provided with bar through-hole 81 sliding connection's slider 671, use through the cooperation of bar through-hole 81 with slider 671, lead to dwang 67, spacing.
In the scheme, the supporting plate 4 is symmetrically fixed at the top of the conveying part 1 in the structure, the bidirectional screw 31 is rotatably arranged on the supporting plate 4, and the bidirectional screw 31 is supported by the arranged supporting plate 4.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and are not to be construed as limiting the scope of the invention.

Claims (9)

1. High-quality die casting gear steel and a preparation method thereof, wherein the die casting gear steel comprises gear steel and is characterized in that: the gear steel comprises the following components: c:0.18-0.20%, mn:1.0-1.2%, cr:0.9-1.1%, ti:0.04-0.08%, ni:0.8-1.2%, si:0.2-0.3%, P: less than or equal to 0.03%, S:0.015-0.03%, the rest is iron;
the preparation method of the gear steel comprises the following specific steps:
s1: smelting in an electric furnace;
s2: refining after vacuum carbon deoxidation;
s3: after pouring the molten steel, cooling to form a billet;
s4: after forging, carrying out heat treatment on the steel billet, and carrying out hot rolling after the heat treatment;
s5: cutting, namely cutting the steel billet which is subjected to hot rolling through a cutting device;
s6: annealing, and after the annealing is finished, inspecting a finished product;
the cutting device used in the preparation method comprises a conveying part (1) and a cutting part arranged on one side of the conveying part (1), wherein a guide part (3) is arranged at the top of the conveying part (1);
the cutting-off part comprises a cutting-off mechanism, a transmission device (6), an adjusting device (10), a material blocking device (5), a shielding device (7), a limiting plate (8) and a supporting box (2) for installing each component, the adjusting device (10) comprises an adjusting motor (101) and an adjusting assembly, an output shaft of the adjusting motor (101) is connected with a one-way lead screw (102), a second nut sliding seat is sleeved on the outer wall of the one-way lead screw (102), the transmission device (6) comprises a double-acting driving cylinder (61), a transmission assembly and a rotating rod (67), one end of the rotating rod (67) is arranged on a mounting plate (68) in a rotating mode through a bearing, the mounting plate (68) is detachably mounted on the outer wall of the second nut sliding seat, the material blocking device (5) comprises a cam (51) fixed on the outer wall of the rotating rod (67) in a sleeved mode and a lifting assembly arranged at the top of the cam (51), one side of the lifting assembly is provided with a fixing support (57), the bottom of the fixing support (57) is connected with three connecting rods (58) which are distributed in a linear array in a bolt, and the lower end of the connecting rod (58) is provided with a material blocking rod (59);
the cutting mechanism comprises a mounting bracket (9) fixedly connected with one end of a piston rod of the double-acting driving cylinder (61), and a linear driver (91) for driving the cutting knife (92) is arranged at the bottom of the mounting bracket (9);
guide portion (3) are including two-way lead screw (31), all the cover is equipped with first nut slide (33) that the direction of motion is opposite on the outer wall at two-way lead screw (31) both ends, the bottom of first nut slide (33) is fixed with T shape connecting rod (32), the bottom demountable installation of T shape connecting rod (32) has guide board (34) that are used for forming the splayed guide passageway.
2. A high-quality die cast gear steel and a method for producing the same according to claim 1, wherein: the adjusting component comprises an auxiliary support (103) and a wedge block (104), an auxiliary inclined plate which is obliquely arranged is arranged on the auxiliary support (103), the wedge block (104) is detachably mounted at the top of the second nut sliding seat, the inclined surface of the wedge block (104) is attached to the auxiliary inclined plate, and the wedge block (104) is connected with the auxiliary inclined plate in a sliding mode.
3. A high-quality die-cast gear steel and a manufacturing method thereof according to claim 2, characterized in that: the transmission assembly comprises a transmission rack (62) and a V21274arranged at the other end of the double-acting driving cylinder (61) in a detachable mode, a shape moving frame (65), a transmission gear (63) is connected to one side of the transmission rack (62) in a meshed mode, a transmission rod (64) is fixedly connected to the center of the transmission gear (63) in an inserted mode, one end of the transmission rod (64) is rotatably connected with the inner wall of the supporting box (2) through a bearing, the V21274, a tensioning rod (652) is rotatably arranged on one side of the shape moving frame (65), and the tensioning rod (652), the transmission rod (64) and the rotating rod (67) are in transmission connection through a transmission belt;
the support box is characterized in that first return springs (651) are symmetrically arranged on the inner side of the v-21274-shaped moving frame (65), the lower end of each first return spring (651) is fixedly connected with a bottom plate of the support box (2), a limiting baffle (66) is arranged above the v-21274-shaped moving frame (65), two adjusting vertical rods (653) which are symmetrically distributed are detachably mounted at the top of the v-2127465, and the adjusting vertical rods (653) penetrate through holes in the limiting baffle (66) and then are fixedly connected with the bottom of the auxiliary support (103).
4. A high-quality die-cast gear steel and a manufacturing method thereof according to claim 3, characterized in that: the lifting assembly comprises a lifting plate (52) attached to the outer arc surface of a cam (51), the lifting plate (52) is connected with a second nut sliding seat through a telescopic rod, a hollowed-out plate (54) used for being in sliding fit with a sliding through hole (21) in a top plate of the supporting box (2) is fixed to the top of the lifting plate (52), a T-shaped plate (56) is fixed to the top of the hollowed-out plate (54), guide rods (55) are arranged in four penetrating holes in rectangular distribution in the T-shaped plate (56) in a sliding mode, guide blocks (552) are fixed to two ends of each guide rod (55), a second return spring (551) is sleeved on the outer wall of each guide rod (55), two ends of each second return spring (551) are connected with the T-shaped plate (56) and the guide block (552) located at the bottom respectively, a guide rail (53) used for limiting the guide blocks (552) is arranged on the outer side of the guide block (552) located at the bottom, and the guide rail (53) is fixed to the top plate of the supporting box (2).
5. A high-quality die-cast gear steel and a manufacturing method thereof according to claim 4, characterized in that: the shielding device (7) comprises a shielding box (71) which is arranged on a top plate of the supporting box (2) in a penetrating mode, the shielding box (71) is arranged on one side of the sliding through hole (21), a third reset spring (72) is arranged inside the shielding box (71), one end of the third reset spring (72) is fixedly connected with the inner wall of the shielding box (71), a sliding plate (74) is arranged at the other end of the third reset spring, a shielding plate (73) used for shielding the sliding through hole (21) is fixed on one side, away from the third reset spring (72), of the sliding plate (74), and the shielding plate (73) penetrates through a through hole in the shielding box (71) and is connected with the sliding through hole (21) in a sliding mode.
6. A high-quality die-cast gear steel and a manufacturing method thereof according to claim 3, characterized in that: the bottom of accommodate motor (101) is equipped with supporting seat (105), supporting seat (105) are used for installing accommodate motor (101), supporting seat (105) are fixed in the top of supporting box (2) bottom plate, sliding tray (1051) have been seted up to one side symmetry of supporting seat (105), just limit baffle (66) are fixed in one side of supporting seat (105).
7. The high-quality die-cast gear steel and the manufacturing method thereof according to claim 6, wherein: slide blocks (654) are symmetrically arranged on one side of the rectangular moving frame (65) close to the support seat (105), and the slide blocks (654) are connected with the slide grooves (1051) in a sliding manner.
8. A high-quality die-cast gear steel and a manufacturing method thereof according to claim 1, characterized in that: limiting plate (8) set up in dwang (67) keep away from the one end of mounting panel (68), limiting plate (8) are fixed in the inner wall of supporting box (2), seted up on limiting plate (8) with bar through-hole (81), just the one end of dwang (67) is provided with slider (671) with bar through-hole (81) sliding connection.
9. A high-quality die cast gear steel and a method for producing the same according to claim 1, wherein: the top of the conveying part (1) is symmetrically fixed with a supporting plate (4), and the bidirectional screw rod (31) is rotatably arranged on the supporting plate (4).
CN202211451417.0A 2022-11-20 2022-11-20 High-quality die-cast gear steel and preparation method thereof Pending CN115709368A (en)

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CN202211451417.0A CN115709368A (en) 2022-11-20 2022-11-20 High-quality die-cast gear steel and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211451417.0A CN115709368A (en) 2022-11-20 2022-11-20 High-quality die-cast gear steel and preparation method thereof

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CN115709368A true CN115709368A (en) 2023-02-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117381339A (en) * 2023-12-13 2024-01-12 湖南华菱湘潭钢铁有限公司 Method for efficiently producing medium plate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117381339A (en) * 2023-12-13 2024-01-12 湖南华菱湘潭钢铁有限公司 Method for efficiently producing medium plate
CN117381339B (en) * 2023-12-13 2024-03-08 湖南华菱湘潭钢铁有限公司 Method for efficiently producing medium plate

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