Cast steel brake disc heat treatment tool

Abstract

The utility model relates to the technical field of heat treatment tools, in particular to a cast steel brake disc heat treatment tool which comprises a support, two supporting rods fixed between two transverse plates, a plurality of trays sequentially fixed between the two supporting rods from top to bottom, a plurality of through holes formed in the tops of the trays, and limiting shafts fixed to the centers of the tops of the trays. A plurality of first ejector rods are fixed to the position, located on the peripheral side of the limiting shaft, of the top of the tray, a plurality of pressing plates are sequentially and slidably installed between the two supporting rods from top to bottom, and second ejector rods are fixed to the two sides of the bottom of each pressing plate. The brake disc is placed between the pressing plate and the tray, the brake disc is clamped and fixed through the first clamping block and the second clamping block on the upper side and the lower side, and during heat treatment, the support is directly transferred into heat treatment equipment through hoisting equipment to be subjected to heat treatment; by means of the design, the brake discs can be fixed conveniently, heat treatment can be conducted on the multiple brake discs at the same time, and the heat treatment efficiency of the brake discs is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat treatment frock technical field, concretely is a kind of cast steel brake disc heat treatment frock. BACKGROUND

[0002] Cast steel brake disc is the friction pair of disc brake, and the kinetic energy is converted into heat energy by the friction contact between brake disc and brake pad, so as to realize emergency braking. It is the key component in brake system to generate braking force to hinder vehicle movement or movement trend. In the processing of cast steel brake disc, the cast steel brake disc needs to be heat treated to improve the wear resistance, hardness and strength of the brake disc.

[0003] The utility model discloses a cast steel brake disc heat treatment frock, the cast steel brake disc heat treatment frock includes erecting structure and support structure, and support structure is set up in the top of erecting structure;Wherein, the top of erecting structure is provided with brake disc, and is supported by support structure and is lifted to the top, when the brake disc is placed on the top of multiple pad sleeves, multiple pad sleeves form support on the outside of the bottom of brake disc protruding, are supported by support structure and are lifted to the top, and the bottom end of support ring seat and the inside of assembly base form communication channel, can guarantee that the bottom of brake disc is exposed to the outside, facilitate guaranteeing that brake disc is heated overall, guarantee quenching effect.

[0004] Although the cast steel brake disc heat treatment frock guarantees that brake disc is heated overall, the device still has the following problems in actual use;In the processing of brake disc, a large number of brake discs often need to be heat treated, and the device can only realize the heat treatment of one brake disc at a time when heat treating brake disc, which leads to low heat treatment efficiency of brake disc, and seriously affects the processing progress of brake disc. In view of this, we propose a cast steel brake disc heat treatment frock. UTILITY MODEL CONTENTS

[0005] The utility model aims at at least one of the technical problems in the related art to some extent. Therefore, one purpose of the utility model is to provide a cast steel brake disc heat treatment frock, which improves the heat treatment efficiency of brake disc by heat treating multiple brake discs at the same time, thereby ensuring the processing progress of brake disc.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A cast steel brake disc heat treatment frock, comprising a bracket, the bracket comprises two upper and lower symmetrical cross plates, two cross plates are fixed with two support rods between them;

[0008] A plurality of trays are sequentially fixed between the two supporting rods from top to bottom, the two supporting rods pass through the two sides of the trays, a plurality of through holes are formed in the top of the tray, a limiting shaft is coaxially fixed at the top center of the tray, a plurality of first top rods are fixed at the top of the tray and located at the circumferential side of the limiting shaft, first clamping blocks are coaxially fixed at the top ends of the plurality of first top rods, and a limiting pin is arranged at the top outer side of the limiting shaft;

[0009] A plurality of pressing plates are sequentially and slidably installed between the two supporting rods from top to bottom, the two supporting rods pass through the two ends of the pressing plates and are slidably connected with the pressing plates, a connecting hole is formed at the center of the pressing plate, the limiting shaft can pass through the connecting hole, second top rods are fixed at the bottom sides of the pressing plate, second clamping blocks are fixed at the bottom of the plurality of second top rods, and the plurality of trays and the plurality of pressing plates are sequentially and staggered arranged from bottom to top.

[0010] In addition, the steel brake disc heat treatment tooling according to the application can further have the following additional technical features:

[0011] Specifically, the first top rod and the first clamping block are an integral structure, and the second top rod and the second clamping block are an integral structure.

[0012] Specifically, a lifting ring is fixed at the top center of the upper horizontal plate, and the cross-sectional shape of the lifting ring is U-shaped.

[0013] Specifically, the limiting pin is arranged on the limiting shaft in an inclined manner, and the limiting pin is a finished product made of alloy steel.

[0014] Specifically, the overall shape of the through hole is a regular hexagon, and the plurality of through holes on each tray are annularly and equidistantly distributed.

[0015] Specifically, the pressing plate is a plate-shaped structure with a wide middle and narrow ends, and the pressing plate is tightly welded with the first top rod.

[0016] Specifically, the trays are linearly and equidistantly distributed in the vertical direction, and the trays are finished products made of high-temperature alloy material.

[0017] Compared with the prior art, the utility model has the advantages of:

[0018] The utility model discloses a support, a tray and a pressing plate are arranged, the brake disc is arranged between the pressing plate and the tray, the first clamping block and the second clamping block on the upper and lower sides clamp and fix the brake disc, when heat treatment, the support is directly transferred to the heat treatment equipment through hoisting equipment and is heat treated, the design not only is convenient for fixing the brake disc, but also can heat treat multiple brake discs simultaneously, improves the heat treatment efficiency of the brake disc, and further guarantees the machining progress of the brake disc. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1The overall structure schematic view of the utility model is shown in the figure.

[0020] Figure 2 The structure schematic view of the support in the utility model is shown in the figure.

[0021] Figure 3 The structure front view of the tray in the utility model is shown in the figure.

[0022] Figure 4 The partial structure front view in the utility model is shown in the figure.

[0023] In the figure,

[0024] 1, support; 10, horizontal plate; 11, support rod; 12, lifting ring;

[0025] 2, tray; 20, through hole; 21, first jacking rod; 22, first clamping block; 23, limiting shaft; 24, limiting pin;

[0026] 3, pressing plate; 30, connecting hole; 31, second jacking rod; 32, second clamping block. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] The embodiment provides a technical scheme:

[0029] Please refer to Figures 1-4 As shown in the figure, a cast steel brake disc heat treatment tool includes a support 1, the support 1 includes two horizontally symmetrical horizontal plates 10, two horizontal plates 10 are fixed with two support rods 11, and the support rod 11 is fixedly connected with the horizontal plate 10 through a bolt. A plurality of trays 2 are sequentially fixed between the two support rods 11 from top to bottom, the two support rods 11 pass through the two sides of the tray 2 respectively, a plurality of through holes 20 are formed in the top of the tray 2, a limiting shaft 23 is coaxially fixed at the center of the top of the tray 2, a plurality of first jacking rods 21 are fixed at the top of the tray 2 and located at the side of the limiting shaft 23, the top end of the plurality of first jacking rods 21 is coaxially fixed with a first clamping block 22, and a limiting pin 24 is arranged at the top of the outer side of the limiting shaft 23.

[0030] A plurality of pressing plates 3 are sequentially and slidably arranged between the two support rods 11 from top to bottom, the two support rods 11 pass through the two ends of the pressing plate 3 and are slidably connected with the pressing plate 3, a connecting hole 30 is formed at the center of the pressing plate 3, the limiting shaft 23 can pass through the connecting hole 30, the bottom of the pressing plate 3 is fixed with a second top rod 31 on each side, the bottom of the plurality of second top rods 31 is fixed with a second clamping block 32, the plurality of trays 2 and the plurality of pressing plates 3 are sequentially and staggered arranged from bottom to top, and the second top rod 31 is arranged opposite to the corresponding first top rod 21.

[0031] In use, the pressing plate 3 and the tray 2 are used to place the cast steel brake disc 4, the limiting shaft 23 passes through the center through hole of the cast steel brake disc 4, the second clamping block 32 abuts against the top of the cast steel brake disc 4, and the first clamping block 22 abuts against the bottom of the cast steel brake disc 4, so as to fix the cast steel brake disc 4.

[0032] In the embodiment, the first top rod 21 and the first clamping block 22 are an integral structure, and the second top rod 31 and the second clamping block 32 are an integral structure. The integral structure has better connection strength, which ensures the connection stability and firmness of the first top rod 21 and the first clamping block 22 and the second top rod 31 and the second clamping block 32, and ensures the service life of the first top rod 21 and the first clamping block 22 and the second top rod 31 and the second clamping block 32 and the fixing effect on the cast steel brake disc 4.

[0033] In the embodiment, the top center of the upper horizontal plate 10 is fixed with a lifting ring 12, and the cross-sectional shape of the lifting ring 12 is U-shaped. The lifting ring 12 is convenient to connect with hoisting equipment, so as to conveniently transfer the device for heat treatment.

[0034] In the embodiment, the limiting pin 24 is obliquely arranged on the limiting shaft 23, and the limiting pin 24 is a finished product made of alloy steel. The obliquely arranged limiting pin 24 is not easy to separate from the limiting shaft 23, which ensures the installation stability of the limiting pin 24, and the alloy steel has the advantages of corrosion resistance and high temperature resistance, which ensures the service life of the limiting pin 24.

[0035] In the embodiment, the overall shape of the through hole 20 is a regular hexagon, and the plurality of through holes 20 on each tray 2 are annularly and equidistantly distributed. The plurality of through holes 20 can promote the transmission and distribution of heat, so that the temperature of the cast steel brake disc 4 is more uniform, thereby avoiding deformation and cracking.

[0036] In the embodiment, the pressing plate 3 is a plate-shaped structure with wide middle and narrow ends, and the pressing plate 3 is tightly welded with the first top rod 21. The tightly welded mode ensures the connection stability and firmness between the pressing plate 3 and the first top rod 21, and the design of wide middle and narrow ends is conducive to the stable cooperation between the limiting shaft 23 and the connecting hole 30.

[0037] In the embodiment, the plurality of trays 2 are linearly and equidistantly distributed in the vertical direction, and the trays 2 are made of high-temperature alloy material. The plurality of trays 2 are arranged to facilitate simultaneous placement of a plurality of cast steel brake discs 4 for heat treatment, and the high-temperature alloy material has the advantage of high-temperature resistance, thereby ensuring the service life of the trays 2.

[0038] It should be noted that, in the embodiment, the cast steel brake disc 4 is clamped and fixed by the first clamping block 22 and the second clamping block 32. When the cast steel brake disc 4 is fixed, the cast steel brake disc 4 is in a suspended state. This design allows the cast steel brake disc 4 to be uniformly heated after entering the heat treatment equipment, thereby avoiding deformation and cracking.

[0039] In specific use, the user first lifts the pressing plate 3 upward, and places the cast steel brake disc 4 above the tray 2. At this time, the user passes the center perforation of the cast steel brake disc 4 through the limiting shaft 23, and places the cast steel brake disc 4 on the top of the plurality of first clamping blocks 22. Then, the user lowers the pressing plate 3, the limiting shaft 23 passes through the connecting hole 30, and the second top rod 31 drives the second clamping block 32 to abut against the top of the cast steel brake disc 4. At this time, the user passes the limiting pin 24 through the limiting shaft 23, and the cast steel brake disc 4 is fixed. Then, the user repeats the above steps to sequentially fix the plurality of cast steel brake discs 4. Finally, the user uses the hoisting equipment to transfer the support 1 to the heat treatment equipment to heat treat the cast steel brake disc 4.

[0040] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A heat treatment tooling for a cast steel brake disc, characterised in that: Including support (1), support (1) includes two upper and lower symmetrical cross plates (10), two cross plates (10) are fixed with two support rods (11) between them; A plurality of trays (2) are sequentially fixed between the two support rods (11) from top to bottom, the two support rods (11) pass through the two sides of the tray (2) respectively, a plurality of through holes (20) are formed in the top of the tray (2), a limiting shaft (23) is coaxially fixed at the top center of the tray (2), a plurality of first top rods (21) are fixed at the top of the tray (2) and located at the side of the limiting shaft (23), the top end of the first top rod (21) is coaxially fixed with a first clamping block (22), and a limiting pin (24) is arranged at the top of the outer side of the limiting shaft (23); A plurality of pressing plates (3) are sequentially and slidably installed between the two support rods (11) from top to bottom, the two support rods (11) pass through the two ends of the pressing plate (3) and are slidably connected with the pressing plate (3), a connecting hole (30) is formed at the center of the pressing plate (3), the limiting shaft (23) can pass through the connecting hole (30), the bottom of the pressing plate (3) is fixed with a second top rod (31) on both sides, the bottom of the second top rod (31) is fixed with a second clamping block (32), and the plurality of trays (2) and the plurality of pressing plates (3) are sequentially and staggered from bottom to top.

2. The heat treatment tooling for cast steel brake rotors of claim 1, wherein: The first top rod (21) and the first clamping block (22) are an integral structure, and the second top rod (31) and the second clamping block (32) are an integral structure.

3. The heat treatment tooling for cast steel brake rotors of claim 1, wherein: The top center of the upper cross plate (10) is fixed with a lifting ring (12), and the cross section of the lifting ring (12) is in the shape of U.

4. The heat treatment tooling for cast steel brake rotors of claim 1 wherein: The limiting pin (24) is obliquely arranged on the limiting shaft (23), and the limiting pin (24) is made of alloy steel material.

5. The heat treatment tooling for cast steel brake rotors of claim 1 wherein: The overall shape of the through hole (20) is a regular hexagon, and a plurality of through holes (20) on each tray (2) are annularly and equally spaced.

6. The heat treatment tooling for cast steel brake rotors of claim 1 wherein: The pressing plate (3) is in the shape of a plate with wide middle and narrow ends, and the pressing plate (3) is tightly welded with the first top rod (21).

7. The heat treatment tooling for cast steel brake rotors of claim 1 wherein: A plurality of the trays (2) are linearly and equally spaced in the vertical direction, and the tray (2) is made of high-temperature alloy material.

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