Sheet tooth part heat treatment tool

Abstract

The utility model discloses a heat treatment tool for sheet-tooth parts, which solves the technical problems that the existing heat treatment tool is complicated in structure and larger in volume, the accommodating quantity of the parts is limited and the like. The heat treatment tool comprises a base, a material hanging plate, a cross beam and a material rod, the base is of a grid-shaped flat plate structure; the tops of the two material hanging plates are connected into a whole through a cross beam, and the bottoms of the material hanging plates are inclined in the direction away from each other and installed on the base. A plurality of material hanging holes are formed in the material hanging plate, one end of the material rod penetrates through the material hanging holes to be vertically installed on the material hanging plate, and the other end of the material rod is suspended and used for hanging sheet tooth parts. The heat treatment tool is simple in structure, can be suitable for sheet tooth type parts of different sizes, does not need field recombination, can be directly used as a material frame for transferring the parts, reduces the frame reversing times of the parts, reduces the damage risk of the parts, and remarkably improves the production efficiency.

Description

Technical Field

[0001] This utility model relates to heat treatment tooling, specifically to a heat treatment tooling for toothed parts. Background Technology

[0002] In the field of heat treatment production technology, the number of times parts are flipped through the heat treatment fixture is closely related to its design; however, existing heat treatment fixtures have significant shortcomings in this regard. In the current production process, finished parts are typically placed in a material box and then transported to the heat treatment workshop by automated equipment (such as AGVs). In the heat treatment workshop, workers need to disassemble and adjust the heat treatment fixture on-site according to the part's dimensions before removing the part from the material box and placing it on the heat treatment fixture for heat treatment. After heat treatment, workers must remove the part from the heat treatment fixture again and place it back into the material box for transport to the next workshop for further processing. This process of multiple flipping of the material box is not only time-consuming and labor-intensive, reducing production efficiency, but also increases the risk of part confusion, damage, and difficulties in batch management.

[0003] To address this, Chinese utility model patent CN 214496405 U discloses a heat treatment fixture for large gears. This type of fixture has a relatively complex overall structure and large volume, and is mainly used for the heat treatment of large gears, but is not suitable for smaller gear-like parts. Furthermore, this type of fixture has few and relatively fixed loading positions, which limits the number of parts it can accommodate. Utility Model Content

[0004] The purpose of this utility model is to solve the technical problems of existing heat treatment tooling, such as complex structure, large size and limited number of parts that can be accommodated, and to provide a heat treatment tooling for toothed parts.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A heat treatment fixture for toothed parts, characterized in that it includes a base, a hanging plate, a crossbeam and at least one material bar;

[0007] The base is a grid-shaped flat plate structure; there are two hanging plates, whose tops are connected as one piece by the crossbeam, and whose bottoms are inclined in opposite directions and installed on the base;

[0008] The hanging plate is provided with multiple hanging holes. One end of each rod passes through the hanging hole and is vertically installed on the corresponding hanging plate, while the other end is suspended in the air for hanging tooth-like parts.

[0009] Furthermore, the included angle between the tops of the two hanging plates is 8 to 10 degrees, and the included angle between the two plates and the base is the same.

[0010] Furthermore, the material hanging hole is a rectangular hole.

[0011] Furthermore, one end of each material rod is vertically mounted on the corresponding hanging plate through the hanging hole via a suspension assembly; the suspension assembly includes a positioning plate and a hanging plate vertically mounted on the end face of the material rod, which are arranged in parallel, and the distance between them is adapted to the thickness of the frame of the hanging hole; the positioning plate is used to abut against the inner side of the upper frame or the outer side of the lower frame of the corresponding hanging hole, and the hanging plate cooperates with the positioning plate to abut against the outer side of the upper frame or the inner side of the lower frame of the corresponding hanging hole; the end of the hanging plate away from the material rod is a bent structure that bends towards the positioning plate, and the distance from the bent structure to the end face of the material rod is adapted to the thickness of the hanging plate.

[0012] Furthermore, each bar has multiple protrusions along the axial direction on the outer wall of the side corresponding to the suspension plate, and the distance between two adjacent protrusions is greater than or equal to the thickness of the toothed part.

[0013] Furthermore, there are four protrusions, all of which are spherical protrusions, with the two outermost spherical protrusions located at the two ends of the feed rod, respectively.

[0014] Furthermore, it also includes at least one protective pad for placement between two adjacent toothed parts during transport.

[0015] Furthermore, the length of the crossbeam is adapted to the width of the top of the hanging plate, and two first connecting holes are provided at both ends of the crossbeam. The tops of the two hanging plates are respectively provided with second connecting holes corresponding to the first connecting holes. Bolts are used to pass through the first connecting holes and the corresponding second connecting holes in sequence to connect the tops of the two hanging plates into one piece.

[0016] The advantages of this utility model compared to the prior art are:

[0017] 1. This utility model includes a base, hanging plates, a crossbeam, and at least one material rod. There are two hanging plates, their tops connected as one unit by the crossbeam, and their bottoms inclined in opposite directions and mounted on the base. One end of the material rod is vertically mounted on the hanging plate, while the other end is suspended, used to suspend toothed parts. This utility model has a simple and compact overall structure, solving the problem of frequent reconfiguration of traditional tooling to accommodate parts of different sizes. Furthermore, the installation position of the material rod on the hanging plate is flexible, thereby improving the flexibility and efficiency of the production line.

[0018] 2. The included angle between the tops of the two hanging plates of this utility model is 8 to 10°, and the included angle between the two plates and the base is the same. This setting can ensure the stability of the suspension of the toothed parts and the stability of the heat treatment fixture during the transfer process.

[0019] 3. In this utility model, one end of each material rod is vertically installed on the corresponding hanging plate through a suspension assembly, which improves the convenience and flexibility of material rod installation, thereby meeting diverse production needs.

[0020] 4. The material bar of this utility model is provided with multiple protrusions, which not only ensures the stability of the suspension of the toothed parts, but also reduces the risk of damage during transportation and heat treatment.

[0021] 5. This utility model can be directly used as a material frame for the transfer process of toothed parts, thereby simplifying the transfer process and improving the transfer efficiency.

[0022] 6. This utility model allows for replacement in sections. When the tooling wears out, it is not necessary to replace the entire tooling; only the worn parts need to be replaced, which reduces maintenance costs and extends the service life of the tooling. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of an embodiment of a heat treatment fixture for toothed parts according to the present invention;

[0024] Figure 2 This is a schematic diagram of the installation structure of the hanging plate in an embodiment of a heat treatment tooling for toothed parts according to this utility model;

[0025] Figure 3 for Figure 2 Enlarged view of point A in the image;

[0026] Figure 4 This is a schematic diagram of the material rod structure in an embodiment of a heat treatment tooling for toothed parts according to this utility model;

[0027] Figure 5 This is a reference diagram showing the usage state of an embodiment of the heat treatment tooling for toothed parts according to this utility model.

[0028] The attached figures are labeled as follows:

[0029] 1-Base, 2-Hanging plate, 3-Crossbeam, 4-Material rod, 5-Hanging hole, 6-Toothed part, 7-Positioning plate, 8-Suspension plate, 9-Protrusion, 10-First connecting hole. Detailed Implementation

[0030] To make the objectives, advantages and features of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0031] like Figure 1As shown, this embodiment provides a heat treatment fixture for toothed parts, including a base 1, a hanging plate 2, a crossbeam 3, and at least one material rod 4. All components of this heat treatment fixture are made of heat-resistant steel, a material with excellent high-temperature resistance, high strength, and good oxidation resistance, while also being easy to process and form. This utility model's heat treatment fixture adopts a modular design, facilitating the replacement of only damaged parts when wear occurs, thereby reducing operating costs.

[0032] The base 1 is a grid-shaped flat plate structure, which can provide planar support for the hanging plate 2. At the same time, the grid-shaped structure also facilitates the flow of oil from the surface of the toothed parts 6 during heat treatment, preventing oil from accumulating on the base 1.

[0033] Combination Figure 2 and Figure 3 As shown, there are two identical hanging plates 2, connected at the top by a crossbeam 3, and their bottoms are inclined in opposite directions and mounted on the base 1. Specifically, the crossbeam 3 is a long strip structure, its length matching the width of the tops of the two hanging plates 2. Two first connecting holes 10 are provided at each end of the crossbeam 3 along its length, and corresponding second connecting holes are provided at the tops of the two hanging plates 2. Both the first and second connecting holes are threaded holes. Bolts are passed through the first connecting holes 10 and the corresponding second connecting holes in sequence to connect the tops of the two hanging plates 2 together. Similarly, the installation of the bottoms of the hanging plates 2 to the base 1 can also be achieved using this connection method. This installation method ensures the overall stability of the heat treatment fixture structure, and allows for quick disassembly and replacement of the hanging plates 2 when they show wear.

[0034] The hanging plate 2 has multiple hanging holes 5. One end of each material rod 4 passes through the hanging hole 5 and is vertically installed on the corresponding hanging plate 2, while the other end is suspended in the air for hanging toothed parts 6. Figure 5 (As shown). One or more material rods 4 can be equipped depending on the actual use, and their suspension position can be flexibly adjusted according to the diameter of the toothed parts 6 to ensure uniformity of the heat treatment process and post-heat treatment quality of the parts under maximum loading conditions. The included angle between the tops of the two hanging plates 2 is generally 8–10°, and the included angle between them and the base 1 is the same. The design of the included angle between the hanging plates 2 and the base 1 ensures that after the toothed parts 6 are suspended on the material rods 4, the material rods 4 maintain a 90–100° angle with the hanging plates 2 under the weight of the toothed parts 6. That is, even under full load, the material rods 4 can still maintain an almost parallel state with the base, thereby ensuring the stability of the suspension of the toothed parts 6 and the stability of the parts during the transfer process with the heat treatment fixture.

[0035] In this embodiment, one end of each material rod 4 is vertically mounted on the corresponding material hanging plate 2 through the hanging hole 5 via a suspension assembly. For example... Figure 4 As shown, the suspension assembly includes a positioning plate 7 and a suspension plate 8 that are vertically mounted on the end face of the material rod 4. The positioning plate 7 and the suspension plate 8 are arranged in parallel, and the end of the suspension plate 8 away from the material rod 4 is a bent structure that bends toward the positioning plate 7.

[0036] In this embodiment, the hanging hole 5 is a rectangular hole, typically about 50mm × 50mm in size. Of course, the specific size can be designed according to actual conditions. In use, the bending structure of the hanging plate 8 hooks onto the inner side of the lower frame or the outer side of the upper frame of the rectangular hole at the selected position, while the positioning plate 7 abuts against the outer side of the lower frame or the inner side of the upper frame of the rectangular hole, thereby making the material rod 4 perpendicularly connected to the hanging plate 2 and ensuring the overall stability of the material rod 4 and the hanging plate 2.

[0037] On the outer wall of each material rod 4 corresponding to the suspension plate 8, there are multiple protrusions 9 along the axial direction to limit the suspension position of the toothed part 6. At the same time, the distance between two adjacent protrusions 9 must be greater than or equal to the thickness of the toothed part 6.

[0038] In this embodiment, there are four protrusions 9, all of which are spherical protrusions with a diameter of about 20mm. The two outermost spherical protrusions are located at the two ends of the material rod 4, respectively. The protrusion 9 near the end of the suspension assembly can prevent the toothed parts 6 from directly contacting the hanging plate 2. The protrusion 9 in the middle can prevent the parts from colliding with each other. The protrusion 9 away from the end of the suspension assembly can prevent the toothed parts 6 from slipping during movement, thereby ensuring the uniformity of the heat treatment of the parts.

[0039] This utility model's heat treatment fixture can be used from the machining stage. First, the base 1 and two hanging plates 2 are assembled together to form the main body of the fixture. Next, according to the size specifications of the toothed parts 6 to be transferred, the material rod 4 is suspended at a suitable position on the hanging plate 2. Then, the machined toothed parts 6 are hung one by one on the material rod 4 until all material rods 4 are fully loaded. After that, they are transported by an AGV trolley to the heat treatment workshop for heat treatment. After the heat treatment is completed, the heat treatment fixture continues to act as a material frame to transport the toothed parts 6 to the next workshop.

[0040] During the above-mentioned transfer process, protective pads can be inserted between two adjacent toothed parts 6 and between the toothed parts 6 and the hanging plate 2 to prevent the toothed parts 6 from being damaged by shaking during the movement. They can be removed during the heat treatment process.

[0041] The heat treatment fixture of this invention can be directly adapted to toothed parts of different sizes without on-site reassembly. Therefore, it can be directly used as a material frame for the transfer of toothed parts, thereby reducing the number of times the parts need to be repositioned, reducing the risk of damage to the parts, significantly improving production efficiency, and reducing quality uncertainty in the production process.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of this utility model.

Claims

1. A heat treatment tool for sheet tooth parts, characterized in that: it comprises a base (1), a hanging plate (2), a crossbeam (3) and at least one material rod (4); the base (1) is a grid-shaped flat structure; the hanging plate (2) has two parts, the top parts of which are connected into one body through the crossbeam (3), the bottom parts of which are respectively inclined to the direction away from each other and are installed on the base (1); the hanging plate (2) is provided with a plurality of hanging holes (5), one end of each material rod (4) is vertically installed on the corresponding hanging plate (2) through the hanging hole (5), and the other end is suspended for hanging the sheet tooth parts (6).

2. The heat treatment tool for sheet tooth parts according to claim 1, characterized in that: the included angle between the top parts of the two hanging plates (2) is 8-10°, and the included angles between the two hanging plates (2) and the base (1) are the same.

3. The heat treatment tool for sheet tooth parts according to claim 1 or 2, characterized in that: the hanging hole (5) is a rectangular hole.

4. The heat treatment tool for sheet tooth parts according to claim 3, characterized in that: one end of each material rod (4) is vertically installed on the corresponding hanging plate (2) through a hanging assembly; the hanging assembly comprises a positioning plate (7) and a hanging plate (8) which are vertically installed on the end face of the material rod (4) and are arranged in parallel, and the distance between the two is matched with the frame thickness of the hanging hole (5); the positioning plate (7) is used for abutting on the inner side of the upper frame or the outer side of the lower frame of the corresponding hanging hole (5), the hanging plate (8) is matched with the positioning plate (7) and is used for abutting on the outer side of the upper frame or the inner side of the lower frame of the corresponding hanging hole (5); one end of the hanging plate (8) away from the material rod (4) is a bending structure bent towards the positioning plate (7), and the distance from the bending structure to the end face of the material rod (4) is matched with the thickness of the hanging plate (2).

5. The heat treatment tool for sheet tooth parts according to claim 4, characterized in that: a plurality of protrusions (9) are arranged on the corresponding side outer wall of each material rod (4) in the axial direction, and the distance between the adjacent two protrusions (9) is greater than or equal to the thickness of the sheet tooth parts (6).

6. The heat treatment tool for sheet tooth parts according to claim 5, characterized in that: the protrusions (9) are four spherical protrusions, and the outermost two spherical protrusions are respectively located at the two end parts of the material rod (4).

7. The heat treatment tool for sheet tooth parts according to claim 6, characterized in that: it further comprises at least one protective gasket for being placed between the adjacent two sheet tooth parts (6) during the transfer process.

8. The heat treatment tool for sheet tooth parts according to claim 1, characterized in that: the length of the crossbeam (3) is matched with the width of the top part of the hanging plate (2), and two first connecting holes (10) are arranged at the two ends of the crossbeam (3), the top parts of the two hanging plates (2) are respectively provided with second connecting holes corresponding to the first connecting holes (10), and the two top parts of the two hanging plates (2) are connected into one body by sequentially passing bolts through the first connecting holes (10) and the corresponding second connecting holes. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

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