Drill rod tool applied to deep well type carburizing furnace and using method of drill rod tool
By designing a drill rod tooling with special-shaped through holes and tubular hanging booms, the problem of poor gas circulation in the deep-well carburizing furnace is solved, and the uniformity of gas outflow and the quality improvement of carburizing process is achieved.
Patent Information
- Application Number
- CN202411568119.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-02-18
AI Technical Summary
The poor gas circulation in the deep-well carburizing furnace leads to uneven gas outflow in the carburizing furnace, affecting the quality of the carburizing process.
A drill rod tooling is designed, including a disc and a hanging rod. A special-shaped through hole is provided on the disc. The diameter of the circumference circle of the through hole is greater than the diameter of the fixing nut, allowing gas to flow out; the suspension rod is tubular, enhancing the uniformity of gas circulation.
Through this design, the gas circulation in the deep-well carburizing furnace is more uniform, which improves the quality and efficiency of the carburizing process and extends the service life of the tooling.
Smart Images
Figure CN119465012A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of carburizing furnaces, in particular to a drill rod tooling used in a deep well carburizing furnace and a use method thereof. Background Art
[0002] With the continuous advancement of science and technology, deep-well carburizing furnaces are also constantly developing and improving. Deep-well carburizing furnaces play an important role in industrial production. Without good carburizing furnace tooling, high-temperature processing and carburizing processes cannot be carried out, and thus high-quality metal products cannot be produced. Only with advanced tooling and production technology can high-quality metal products be manufactured and market competitiveness be improved.
[0003] The through hole on the drill rod tooling in the existing deep well carburizing furnace is generally circular. When the drill rod workpiece is installed and then bolted, the bolt will completely cover the through hole, thereby hindering the gas circulation in the carburizing furnace. Summary of the invention
[0004] In order to solve the problems in the related art, the present invention provides a drill rod tooling for a deep well carburizing furnace and a use method thereof, wherein the device solves the problem of poor gas circulation in the deep well carburizing furnace.
[0005] In order to solve the above problems, the following technical solutions are provided:
[0006] The drill rod tooling used in a deep well carburizing furnace of the present invention comprises a disc, the disc is provided with a center hole, a vertically arranged suspension rod is concentrically provided in the center hole, the suspension rod is tubular, the suspension rod is fixedly connected to the disc, and a first suspension part is provided at the upper end of the suspension rod; the disc is provided with a plurality of special-shaped through holes for placing workpieces, the inscribed circle diameter of the through hole is larger than the diameter of the workpiece, the inscribed circle diameter of the through hole is smaller than the diameter of the fixing nut on the workpiece, and the circumscribed circle diameter of the through hole is larger than the diameter of the fixing nut on the workpiece.
[0007] In the above scheme, through the setting of the through hole, the through hole is special-shaped, the workpiece is a drill rod, the drill rod is installed in the through hole, and then a fixing nut is sleeved on the outer periphery of one end of the drill rod close to the through hole, thereby realizing the installation of the drill rod. Since the circumscribed circle diameter of the through hole is larger than the diameter of the fixing nut, the gas in the deep well carburizing furnace can flow out from the through hole, realizing uniform circulation of the airflow, thereby solving the problem of poor gas circulation in the deep well carburizing furnace. By setting the hanger in a tubular shape, the gas flow at the upper and lower parts of the drill rod tooling is more uniform, thereby improving the uniformity of carburizing.
[0008] A second hoisting portion is provided at the lower end of the suspension rod, and the first hoisting portion and the second hoisting portion have the same structure.
[0009] In the above scheme, by setting the first lifting part and the second lifting part, when the drill rod tooling is lifted into the deep well carburizing furnace, either the first lifting part or the second lifting part can be grasped, so that the drill rod tooling can be used both forward and reverse, which is convenient for grasping and clamping, and is beneficial to extending the service life of the drill rod tooling.
[0010] The plurality of through holes are divided into at least two groups, and the through holes in each group are arranged from inside to outside along the radial direction of the disk, and the centers of the inscribed circles of the through holes in the same through hole group are all located on the same concentric circle arc.
[0011] In the above scheme, by providing a plurality of through hole groups, the positions of the through holes are arranged in a certain order, which greatly increases the number of through holes on the disk, thereby greatly increasing the number of workpieces that can be finally installed.
[0012] A plurality of first reinforcing ribs are arranged between the lower end surface of the disc and the suspension rod.
[0013] A plurality of second reinforcing ribs are arranged between the upper end surface of the disc and the suspension rod.
[0014] In the above scheme, by providing the first reinforcing rib and the second reinforcing rib, the first reinforcing rib and the second reinforcing rib can significantly enhance the strength and rigidity of the drill rod tooling, thereby improving the bearing capacity of the drill rod tooling and helping to prevent the drill rod tooling from being deformed or damaged when subjected to force.
[0015] A ring plate is arranged on the periphery of the disc, and the ring plate is fixedly connected to the disc.
[0016] In the above scheme, the provision of the ring plate is conducive to improving the stability of the drill rod tooling.
[0017] The through hole is in the shape of a regular triangle or a regular polygon.
[0018] In the above scheme, the shape of the through hole is a regular triangle or a regular polygon, so that the airflow circulation in the deep well carburizing furnace is more uniform.
[0019] The ring plate, the disc and the suspension rod are all made of heat-resistant steel.
[0020] In the above scheme, heat-resistant steel is used to ensure that the drill rod tooling can work for a long time at high temperatures, which is beneficial to improving the strength of the drill rod tooling.
[0021] The method for using the drill rod tooling applied to the deep well carburizing furnace includes the following steps:
[0022] S1: First, screw the fixing nut on one end of the workpiece, install the workpiece into the through hole from the inside to the outside, and tighten the fixing nut so that the fixing nut abuts against the surface of the disk around the through hole, and there is a gap between the fixing nut and the corners of the polygon of the through hole;
[0023] S2: After the workpiece is installed in each through hole, use the clamp to grab the first lifting part, slowly place it in the deep well carburizing furnace, place the disc on the placement plate in the deep well carburizing furnace, and remove the clamp.
[0024] Through the above scheme, the method is adopted to hoist the drill pipe tooling, the operation steps are simple, and the clamping pliers grasp the first hoisting part or the second hoisting part without dead angles, which is conducive to reducing the amount of manual operation, ensuring the safety of the hoisting process, and greatly saving the cost of manual operation.
[0025] The above solution has the following advantages:
[0026] 1. The drill rod tooling used in a deep well carburizing furnace of the present invention comprises a disc, a center hole is arranged on the disc, a vertically arranged suspension rod is concentrically arranged in the center hole, the suspension rod is tubular, the suspension rod is fixedly connected to the disc, a first suspension part is arranged on the upper end of the suspension rod, a plurality of special-shaped through holes for placing workpieces are arranged on the disc, the inscribed circle diameter of the through hole is larger than the diameter of the workpiece, the inscribed circle diameter of the through hole is smaller than the diameter of the fixing nut on the workpiece, and the circumscribed circle diameter of the through hole is larger than the diameter of the fixing nut on the workpiece. Through the arrangement of the through hole, the through hole is special-shaped, the workpiece is a drill rod, the drill rod is installed in the through hole, and then a fixing nut is sleeved on the outer periphery of one end of the drill rod close to the through hole, thereby realizing the installation of the drill rod. Since the circumscribed circle diameter of the through hole is larger than the diameter of the fixing nut, the gas in the deep well carburizing furnace can flow out from the through hole, realize airflow circulation, make the airflow evenly distributed, and meet the process requirements. Through the arrangement of the suspension rod in a tubular shape, the gas flow at the upper and lower parts of the drill rod tooling is more uniform.
[0027] 2. Through the arrangement of the first hoisting part and the second hoisting part, when the drill rod tooling is hoisted into the deep well carburizing furnace, either the first hoisting part or the second hoisting part can be grasped, so that the drill rod tooling can be used both ways, which is convenient for grasping and clamping. A plurality of first reinforcing ribs are arranged between the lower end surface of the disc and the suspension rod, and a plurality of second reinforcing ribs are arranged between the upper end surface of the disc and the suspension rod. Through the arrangement of the first reinforcing ribs and the second reinforcing ribs, the first reinforcing ribs and the second reinforcing ribs can significantly enhance the strength and rigidity of the drill rod tooling, thereby improving the bearing capacity of the drill rod tooling, and helping to prevent the drill rod tooling from being deformed or damaged when subjected to force.
[0028] 3. Through the above scheme, the method is adopted to hoist the drill pipe tooling, the operation steps are simple, and the clamping pliers grasp the first hoisting part or the second hoisting part without dead angles, which is conducive to reducing the amount of manual operation, ensuring the safety of the hoisting process, and greatly saving the cost of manual operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0029] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below according to specific embodiments of the present invention in conjunction with the accompanying drawings, wherein:
[0030] Figure 1 It is a front view of Example 1 of the drill rod tooling used in a deep well carburizing furnace;
[0031] Figure 2 A top view of the disc of Example 1 in a drill rod tooling used in a deep well carburizing furnace;
[0032] Figure 3 It is a front view of Example 2 of a drill rod tooling used in a deep well carburizing furnace;
[0033] Figure 4 A top view of the disc of Example 2 in the drill rod tooling used in a deep well carburizing furnace;
[0034] Figure 5 It is a front view of Example 3 of the drill rod tooling used in a deep well carburizing furnace;
[0035] Figure 6 A top view of the disc of Example 3 in the drill rod tooling used in a deep well carburizing furnace;
[0036] Figure 7 This is a front view of the use process of the drill rod tooling used in a deep well carburizing furnace;
[0037] Explanation of the accompanying drawings: 1. disc; 2. suspension rod; 3. first lifting part; 4. through hole; 5. second lifting part; 6. first reinforcement rib; 7. second reinforcement rib; 8. ring plate; 9. workpiece. DETAILED DESCRIPTION
[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0039] In a specific embodiment 1, Figure 1As shown, the drill rod fixture applied to the deep well carburizing furnace of the present invention comprises a disc 1, and a ring plate 8 is arranged on the periphery of the disc 1, which is beneficial to improving the stability of the drill rod fixture, the ring plate 8 is fixedly connected to the disc 1, and a center hole is arranged on the disc 1, and a vertically arranged suspension rod 2 is concentrically arranged in the center hole, and the suspension rod 2 is tubular, so that the gas flow at the upper and lower parts of the drill rod fixture in the deep well carburizing furnace is more uniform, the suspension rod 2 is fixedly connected to the disc 1, and a first suspension part 3 is arranged on the upper end part of the suspension rod 2, which is convenient for clamping the drill rod fixture, and four first reinforcing ribs 6 are arranged between the lower end surface of the disc 1 and the suspension rod 2, which can significantly enhance the strength and rigidity of the drill rod fixture, thereby improving the bearing capacity of the drill rod fixture, and helping to prevent the drill rod fixture from being deformed or damaged when subjected to force, and the materials of the ring plate 8, the disc 1 and the suspension rod 2 are all made of heat-resistant steel, which ensures that the drill rod fixture can work for a long time at high temperature, which is beneficial to improving the strength of the drill rod fixture.
[0040] like Figure 2 As shown, the disc 1 is provided with thirty-two special-shaped through holes 4 for placing drill rods, the through holes 4 are in the shape of an equilateral triangle, the inscribed circle diameter of the through holes 4 is larger than the diameter of the workpiece 9, the inscribed circle diameter of the through holes 4 is smaller than the diameter of the fixing nut on the workpiece 9, the circumscribed circle diameter of the through holes 4 is larger than the diameter of the fixing nut on the workpiece 9, the thirty-two through holes 4 are divided into three groups, each of the through holes 4 groups are arranged from the inside to the outside along the radial direction of the disc 1, and the centers of the inscribed circles of the through holes 4 in the same through hole 4 group are located on the same concentric circle arc.
[0041] like Figure 7 As shown, the method for using the drill rod tooling used in the deep well carburizing furnace includes the following steps: first screw a fixing nut on one end of the drill rod, install the drill rod into the through hole 4 from the inside to the outside in sequence, tighten the fixing nut so that the fixing nut is against the surface of the disc 1 around the through hole 4, and there is a gap between the fixing nut and the three vertices of the triangular through hole 4. After the drill rods are installed in the thirty-two through holes 4, use a clamp to grab the first lifting part 3, slowly place it in the deep well carburizing furnace, place the disc 1 on the placement plate in the deep well carburizing furnace, and remove the clamp. The method is used to lift the drill rod tooling, and the operating steps are simple. The clamp grabs the first lifting part 3 or the second lifting part 5 without dead angles, which is conducive to reducing the amount of manual operation, ensuring the safety of the lifting process, and greatly saving the cost of manual operation.
[0042] In a specific embodiment 2, Figure 3As shown, the difference between this embodiment and embodiment 1 is that this embodiment further discloses a second lifting part 5, which is located on the lower end of the suspension rod 2, and the second lifting part 5 has the same structure as the first lifting part 3. Through the provision of the second lifting part 5, the clamping pliers can grasp the first lifting part 3 or the second lifting part 5, thereby improving work efficiency, so that the drill rod tooling can be used both forward and reverse, which is convenient for grasping and clamping, and is beneficial to extending the service life of the drill rod tooling.
[0043] like Figure 4 As shown, the disc 1 is provided with forty-four equilateral triangular through holes 4 for placing drill rods, and the forty-four through holes 4 are divided into three groups. Each group of through holes 4 is arranged from the inside to the outside along the radial direction of the disc 1, and the centers of the inscribed circles of the through holes 4 in the same group of through holes 4 are all located on the same concentric circle arc. The positions of the through holes 4 are arranged in a certain order, which greatly increases the number of through holes 4 on the disc 1, so that the number of workpieces 9 finally installed is greatly increased.
[0044] like Figure 7 As shown, the method for using the drill rod tooling used in the deep well carburizing furnace includes the following steps: first screw a fixing nut on one end of the drill rod, install the drill rod into the through hole 4 from the inside to the outside in sequence, tighten the fixing nut so that the fixing nut is in contact with the surface of the disc 1 around the through hole 4, and there is a gap around the fixing nut and the three vertices of the triangular through hole 4. After the drill rods are installed in the forty-four through holes 4, use a clamp to grab the first hoisting part 3 or the second hoisting part 5, slowly place it in the deep well carburizing furnace, place the disc 1 on the placement plate in the deep well carburizing furnace, and remove the clamp.
[0045] In a specific embodiment 3, Figure 5 As shown, the difference between this embodiment and embodiments 1 and 2 is that this embodiment further discloses a second reinforcing rib 7, and the second reinforcing rib 7 is located between the upper end surface of the disc 1 and the suspension rod 2. Through the provision of the second reinforcing rib 7, the strength of the drill rod tooling is greatly improved, thereby improving the safety performance.
[0046] like Figure 6 As shown, seventy-two equilateral triangular through holes 4 for placing drill rods are provided on the disk 1. The seventy-two through holes 4 are divided into four groups. The through holes 4 in each group are arranged from the inside to the outside along the radial direction of the disk 1. The centers of the inscribed circles of the through holes 4 in the same through hole 4 group are all located on the same concentric circle arc.
[0047] like Figure 7As shown, the method for using the drill rod tooling used in the deep well carburizing furnace includes the following steps: first screw a fixing nut on one end of the drill rod, install the drill rod into the through hole 4 from the inside to the outside in sequence, tighten the fixing nut so that the fixing nut abuts against the surface of the disc 1 around the through hole 4, and there is a gap between the fixing nut and the three vertices of the triangular through hole 4. After the drill rods are installed in the seventy-two through holes 4, use a clamp to grab the first hoisting part 3 or the second hoisting part 5, slowly place it in the deep well carburizing furnace, place the disc 1 on the placement plate in the deep well carburizing furnace, and remove the clamp.
[0048] In a specific embodiment 4, the difference between this embodiment and embodiments 1, 2, and 3 is that the shape of the through hole 4 in this embodiment is a regular polygon.
[0049] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be a direct connection, or it can be an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.
[0050] Obviously, the above embodiments are merely examples for clear explanation and are not limitations on the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here, and the obvious changes or modifications derived therefrom are still within the protection scope of the invention.
Claims
1. The drill rod tooling used in deep well carburizing furnace is characterized by: The invention comprises a disc (1), wherein the disc (1) is provided with a central hole, wherein a vertically arranged suspension rod (2) is concentrically arranged in the central hole, wherein the suspension rod (2) is tubular, wherein the suspension rod (2) is fixedly connected to the disc (1), and wherein a first suspension portion (3) is arranged at the upper end of the suspension rod (2); wherein the disc (1) is provided with a plurality of irregular through holes (4) for placing workpieces (9), wherein the inscribed circle diameter of the through holes (4) is greater than the diameter of the workpiece (9), the inscribed circle diameter of the through holes (4) is smaller than the diameter of a fixing nut on the workpiece (9), and the circumscribed circle diameter of the through holes (4) is greater than the diameter of the fixing nut on the workpiece (9).
2. The drill rod tooling for deep well carburizing furnace according to claim 1, characterized in that: A second lifting portion (5) is provided at the lower end of the lifting rod (2), and the first lifting portion (3) and the second lifting portion (5) have the same structure.
3. The drill rod tooling for deep well carburizing furnace according to claim 1, characterized in that: The plurality of through holes (4) are divided into at least two groups, each of the through holes (4) groups are arranged from the inside to the outside along the radial direction of the disk (1), and the centers of the inscribed circles of the through holes (4) in the same through hole (4) group are located on the same concentric circle arc.
4. The drill rod tooling for deep well carburizing furnace according to claim 1, characterized in that: A plurality of first reinforcing ribs (6) are arranged between the lower end surface of the disc (1) and the suspension rod (2).
5. The drill rod tooling for deep well carburizing furnace according to claim 1, characterized in that: A plurality of second reinforcing ribs (7) are arranged between the upper end surface of the disc (1) and the suspension rod (2).
6. The drill rod tooling for deep well carburizing furnace according to claim 1, characterized in that: A ring plate (8) is arranged on the periphery of the disc (1), and the ring plate (8) is fixedly connected to the disc (1).
7. The drill rod tooling for deep well carburizing furnace according to claim 1, characterized in that: The through hole (4) is in the shape of a regular triangle or a regular polygon.
8. The drill rod tooling for deep well carburizing furnace according to claim 1, characterized in that: The ring plate (8), the disc (1) and the suspension rod (2) are all made of heat-resistant steel.
9. The method for using the drill rod tooling for a deep well carburizing furnace according to claim 1, characterized in that: The following steps are involved: S1: First, screw a fixing nut onto one end of the workpiece (9), install the workpiece (9) into the through hole (4) from the inside to the outside, and tighten the fixing nut so that the fixing nut abuts against the surface of the disk (1) around the through hole (4), and there is a gap between the fixing nut and the corners of the polygon of the through hole (4); S2: After the workpiece (9) is installed in each through hole (4), use a clamp to grab the first lifting part (3), slowly place it in the deep well carburizing furnace, place the disc (1) on the placement plate in the deep well carburizing furnace, and remove the clamp.