Chain link quenching device

Abstract

The utility model discloses a chain link quenching device, which relates to the technical field of quenching and comprises a conveying device for conveying chain links and a mounting cover arranged above the conveying device, an induction heating device is arranged at the feeding end of the mounting cover, and a quenching device is arranged at the discharging end of the mounting cover; the induction heating device comprises a transformer and an induction heating pipe connected with the transformer; a U-shaped heating space is defined by the induction heating pipe at the feeding end; the quenching device comprises a water spraying box fixedly connected with the top of the mounting cover, a quenching liquid pipe communicated with the water spraying box and a quenching pool arranged below the water spraying box, and water spraying holes are formed in the bottom of the water spraying box; the induction heating device and the quenching device are arranged in the mounting cover, the structure is reasonable, the occupied space is small, the overall structure is more attractive, the U-shaped heating space is used for heating the top of the chain link in a centralized mode, waste caused by overall heating of the chain link is avoided, the heating efficiency is improved, the cooling time is relatively shortened, and the cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of quenching, and more specifically, to a link quenching device. Background Art

[0002] At present, in the process of link processing, in order to improve the strength and hardness of the link, the track link needs to be quenched. For example, Chinese Patent No. 202020242245.6 discloses a crawler drive track link quenching processing device, which includes a cross beam, a transmission roller, a transmission belt, a motor, a quenching furnace, an electric heating block, an exhaust chamber and a fan. The features are as follows: the cross beam is arranged on a bracket, bearings are arranged on the cross beam, connecting shafts are arranged at both ends of the transmission roller, the transmission belt is arranged between the transmission rollers, the motor is arranged on the cross beam, the quenching furnace is arranged on the cross beam, the electric heating block is arranged at the inner top of the quenching furnace, and electric heating wires are arranged between the electric heating blocks. The exhaust chamber is arranged on the cross beam, and the fan is arranged in the exhaust pipe.

[0003] Generally, only the top of the link needs to be quenched. After the link enters the quenching furnace in the above patent, the electric heating wire heats the whole link, resulting in slow heating efficiency and waste of resources. Since the whole link is heated, more cooling time is required during the cooling process. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a link quenching device in order to solve the above technical problems.

[0005] The utility model specifically adopts the following technical solutions to achieve the above purpose:

[0006] A link quenching device includes a transmission device for conveying links and a mounting cover arranged above the transmission device; an induction heating device is arranged at the feeding end of the mounting cover, and a quenching device is arranged at the discharging end.

[0007] The induction heating device includes a transformer and an induction heating tube connected to the transformer; the induction heating tube forms a U-shaped heating space at the feeding end.

[0008] The quenching device includes a water spraying box fixedly connected to the top of the mounting cover, a quenching liquid pipe communicated with the water spraying box, and a quenching pool arranged below the water spraying box. Water spraying holes are arranged at the bottom of the water spraying box.

[0009] The transmission device includes a frame, transmission rollers, a motor and a transmission belt; both ends of the roller shaft of the transmission roller are rotatably connected to the frame through bearings, the transmission belt is installed between the transmission rollers, the motor is fixedly installed on the frame, and the output shaft of the motor is connected to the roller shaft of one of the transmission rollers.

[0010] A transfer plate is bolted to the conveyor belt, and permanent magnet steel for adsorbing chain links is provided on the transfer plate. The permanent magnet steel is provided to position the chain links, prevent the chain links from displacing during the transfer process, and ensure accurate transfer.

[0011] One end of the induction heating tube is connected to a water inlet pipe, and the other end is connected to a water outlet pipe. Cooling water is connected to the water inlet pipe, and the cooling water flows into the induction heating tube to cool it.

[0012] Limit electric cylinders are fixedly connected to the outer walls on both sides of the installation cover respectively. The piston end of the limit electric cylinder penetrates through the side wall of the installation cover and is connected to a U-shaped limit plate. Strip-shaped holes are respectively provided above and below the limit electric cylinder on the installation cover, and the strip-shaped holes are correspondingly inserted and connected to the upper plate and the lower plate of the U-shaped limit plate. The U-shaped limit plate is provided to limit the chain links, prevent the chain links from displacing when being washed and cooled by the quenching liquid, and at the same time prevent the quenching liquid from washing the output shaft of the limit electric cylinder. The limit electric cylinder is provided to adjust the distance between the two U-shaped limit plates to adapt to chain links of different widths.

[0013] This chain link quenching device further includes a numerical control control cabinet, and the numerical control control cabinet is electrically connected to the limit electric cylinder, the transformer, and the motor respectively.

[0014] Working principle: The transfer plate is used to place the chain links. The motor works to drive the transfer plate to move and convey the chain links into the U-shaped heating space. The induction heating tube heats the top of the chain links. After heating, the chain links are conveyed into the discharge end of the installation cover for cooling. The quenching liquid pipe is used to introduce quenching liquid, and the chain links are cooled through the water spraying box. The induction heating device and the quenching device of the present utility model are arranged in the installation cover, with reasonable structure and small occupied space, and the overall structure is more beautiful. The U-shaped heating space conducts centralized heating on the top of the chain links, avoiding waste caused by heating the whole chain link, improving the heating efficiency, relatively shortening the cooling time, and saving costs.

[0015] The beneficial effects of the present utility model are as follows:

[0016] In the present utility model, the induction heating device and the quenching device are arranged in the installation cover, with reasonable structure and small occupied space, and the overall structure is more beautiful. The U-shaped heating space conducts centralized heating on the top of the chain links, avoiding waste caused by heating the whole chain link, improving the heating efficiency, relatively shortening the cooling time, and saving costs; the permanent magnet steel is provided to position the chain links, prevent the chain links from displacing during the transfer process; the U-shaped limit plate is provided to limit the chain links, prevent the chain links from displacing when being washed and cooled by the quenching liquid, and the limit electric cylinder is provided to adjust the distance between the two U-shaped limit plates to adapt to chain links of different widths. Brief Description of the Drawings

[0017] Figure 1 is a schematic structural diagram of the present utility model;

[0018] Figure 2 It is the right view of the installation cover;

[0019] Figure 3 It is a schematic structural diagram of the induction heating tube;

[0020] Figure 4 It is a schematic structural diagram of the transfer plate.

[0021] Reference numerals: 1, installation cover; 2, transformer; 3, induction heating tube; 4, U-shaped heating space; 5, water spraying box; 6, quenching liquid pipe; 7, quenching pool; 8, motor; 9, frame; 10, transmission roller; 11, transmission belt; 12, transfer plate; 13, permanent magnet; 14, water inlet pipe; 15, water outlet pipe; 16, limit electric cylinder; 17, C-shaped limit plate; 18, strip hole; 19, numerical control control cabinet. Detailed implementation manners

[0022] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and illustrated herein can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the claimed present utility model, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1

[0025] As Figures 1 to 4 shown, this embodiment provides a chain link quenching device, including a transmission device for conveying chain links and an installation cover 1 arranged above the transmission device; an induction heating device is provided at the feeding end of the installation cover 1, and a quenching device is provided at the discharging end;

[0026] The induction heating device includes a transformer 2 and an induction heating tube 3 connected to the transformer 2; the induction heating tube 3 encloses a U-shaped heating space 4 at the feeding end;

[0027] The quenching device includes a water spraying box 5 fixedly connected to the top of the installation cover 1, a quenching liquid pipe 6 communicated with the water spraying box 5, and a quenching pool 7 arranged below the water spraying box 5. The bottom of the water spraying box 5 is provided with water spraying holes.

[0028] The transmission device includes a frame 9, transmission rollers 10, a motor 8, and a transmission belt 11; both ends of the roller shafts of the transmission rollers 10 are rotatably connected to the frame 9 through bearings, the transmission belt 11 is installed between the transmission rollers 10, the motor 8 is fixedly installed on the frame 9, and the output shaft of the motor 8 is connected to the roller shaft of one of the transmission rollers 10.

[0029] A transfer plate 12 is bolted to the transmission belt 11, and a permanent magnet steel 13 for adsorbing chain links is provided on the transfer plate 12. The permanent magnet steel 13 is provided to position the chain links, prevent the chain links from displacing during the transfer process, and ensure accurate transfer.

[0030] One end of the induction heating tube 3 is connected to a water inlet pipe 14, and the other end is connected to a water outlet pipe 15. Cooling water is introduced into the water inlet pipe 14, and the cooling water flows into the induction heating tube 3 to cool it.

[0031] On both outer walls of the installation cover 1, limit electric cylinders 16 are fixedly connected respectively. The piston end of the limit electric cylinder 16 penetrates through the side wall of the installation cover 1 and is connected to a U-shaped limit plate 17. The installation cover 1 is respectively provided with strip-shaped holes 18 above and below the limit electric cylinder 16, and the strip-shaped holes 18 are correspondingly inserted and connected to the upper plate and the lower plate of the U-shaped limit plate 17. The U-shaped limit plate 17 is provided to limit the chain links, prevent the chain links from displacing when being rinsed and cooled by the quenching liquid, and at the same time prevent the quenching liquid from flushing the output shaft of the limit electric cylinder 16. The limit electric cylinder 16 is provided to adjust the distance between the two U-shaped limit plates 17 to adapt to chain links of different widths.

[0032] The quenching device further includes a numerical control control cabinet 19, and the numerical control control cabinet 19 is electrically connected to the limit electric cylinder 16, the transformer 2, and the motor 8 respectively.

[0033] Working principle: The transfer plate 12 is used to place the chain links. The motor 8 works to drive the transfer plate 12 to move and convey the chain links into the U-shaped heating space 4. The induction heating tube 3 heats the top of the chain links. After heating, the chain links are conveyed into the discharge end of the installation cover 1 for cooling. The quenching liquid pipe 6 is used to introduce the quenching liquid, and the chain links are cooled through the water spraying box 5. The induction heating device and the quenching device of the present utility model are arranged in the installation cover 1, with a reasonable structure and small occupied space, and the overall structure is more beautiful. The U-shaped heating space 4 conducts centralized heating on the top of the chain links, avoiding waste caused by heating the whole chain link, improving the heating efficiency, relatively shortening the cooling time, and saving costs.

Claims

1. A chain link quenching device, comprising a transmission device for conveying chain links and a mounting cover arranged above the transmission device; characterized in that: An induction heating device is provided at the feeding end of the installation cover, and a quenching device is provided at the discharging end; The induction heating device includes a transformer and an induction heating pipe connected to the transformer; the induction heating pipe encloses a U-shaped heating space at the feeding end; The quenching device includes a water spraying box fixedly connected to the top of the installation cover, a quenching liquid pipe communicated with the water spraying box, and a quenching pool arranged below the water spraying box. Water spraying holes are provided at the bottom of the water spraying box.

2. A chain link quenching device according to claim 1, characterized in that: The transmission device includes a frame, transmission rollers, a motor, and a transmission belt; both ends of the roller shafts of the transmission rollers are rotatably connected to the frame through bearings, the transmission belt is installed between the transmission rollers, the motor is fixedly installed on the frame, and the output shaft of the motor is connected to the roller shaft of one of the transmission rollers.

3. A chain link quenching device according to claim 2, characterized in that: A conveying plate is bolted to the transmission belt, and a permanent magnet is provided on the conveying plate for adsorbing the chain links.

4. A chain link quenching device according to claim 1, characterized in that: One end of the induction heating pipe is communicated with a water inlet pipe, and the other end is communicated with a water outlet pipe.

5. A chain link quenching device according to claim 1, characterized in that: Limit electric cylinders are fixedly connected to the outer walls on both sides of the installation cover respectively. The piston ends of the limit electric cylinders penetrate through the side walls of the installation cover and are connected with a U-shaped limit plate. Strip-shaped holes are respectively provided above and below the limit electric cylinders on the installation cover, and the strip-shaped holes are correspondingly inserted and connected with the upper plate and the lower plate of the U-shaped limit plate.

6. A chain link quenching device according to claim 5, characterized in that: The quenching device further includes a numerical control control cabinet, and the numerical control control cabinet is electrically connected to the limit electric cylinder, the transformer, and the motor respectively.

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