High-speed steel carburizing and quenching device

Abstract

The utility model relates to the technical field of quenching devices, and provides a high-speed steel carburizing and quenching device which comprises a bottom plate and a hydraulic cylinder, the top end of the bottom plate is connected with a quenching furnace body, internal threads are formed in the position, close to the top end, of the inner side wall of the quenching furnace body, the hydraulic cylinder is connected to the top end of the bottom plate, and a connecting plate is arranged at the top end of the hydraulic cylinder. One end of the connecting plate is connected with a connecting ring, the bottom end of the connecting ring is connected with a top cover matched with the quenching furnace body, a servo motor is installed at the top end of the top cover, the output end of the servo motor penetrates through the top cover to be connected with a heat insulation threaded piece, and the heat insulation threaded piece is matched with the internal threads; two matched fixing seats are connected to the position, close to the top end, of the outer wall of the quenching furnace body, limiting holes are formed in the fixing seats, two connecting seats are connected to the top cover, and limiting rods slidably connected with the limiting holes are connected to the bottom ends of the connecting seats, so that shaking or deflection of the top cover is avoided, and the purpose of improving the stability of the top cover is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to quenching device technical field, specifically, relate to a high speed steel carburizing quenching device. BACKGROUND

[0002] The quenching furnace is the most basic device in the quenching device. The quenching furnace is a furnace for heating workpieces before quenching. Quenching involves placing workpieces in the furnace, heating them to a temperature above the critical point, and then quickly removing them from the furnace and immersing them in a quenching liquid, such as oil or water, for quenching. The heat source for the furnace can be electricity or fuel. Quenching in a quenching furnace is an essential and important step in steel production.

[0003] After searching, on January 6, 2023, China published patent CN218232482U, a high speed steel carburizing quenching device, which is generally described as including: a quenching furnace shell and a quenching furnace upper cover; a quenching furnace bottom is fixedly connected below the quenching furnace shell, a heat insulation bottom plate is provided at one end above the quenching furnace bottom, a gas outlet hole is formed in the middle above the heat insulation bottom plate, a bracket groove is formed on the outer side above the heat insulation bottom plate, a bracket foot is provided inside the bracket groove, a bracket plate is fixedly connected at one end above the bracket foot, an upper cover heat insulation block is fixedly connected at one end of the quenching furnace upper cover, and a guide inclined plate is fixedly connected at one end of the upper cover heat insulation block.

[0004] The above-mentioned prior art solution can effectively improve the uniformity of heating, but the device relies on a hydraulic lifting rod to control the opening and closing of the top cover, which causes the top cover to easily shake or tilt, resulting in poor stability of the top cover. Utility model content

[0005] (I) Technical problems solved

[0006] To address the shortcomings of the prior art, the utility model provides a high speed steel carburizing quenching device to solve the problem of poor stability of the top cover due to its tendency to shake or tilt.

[0007] (II) Technical solutions

[0008] To achieve the above object, the utility model provides following technical scheme: a high speed steel carburizing and quenching device, including bottom plate, including hydraulic cylinder, the top fixedly connected with quenching furnace body of bottom plate, the inner side wall of quenching furnace body is opened with internal thread in the position close to the top, the top of hydraulic cylinder is fixedly connected with the connecting plate, one end of connecting plate is fixedly connected with the connecting ring, the bottom of connecting ring is fixedly connected with the top cover that cooperates with quenching furnace body, the top of top cover is installed with servo motor, the output of servo motor is connected with heat insulation screw member and passes through top cover, heat insulation screw member cooperates with internal thread, the outer wall of quenching furnace body is fixedly connected with two fixed seats that cooperate in the position close to the top, and the fixed seat is opened with the limit hole, two connecting seats are fixedly connected on the top cover, and the bottom of connecting seat is fixedly connected with the limit rod that is connected with the limit hole slidingly.

[0009] Through adopt above technical scheme, after workpiece is placed into quenching furnace body, start hydraulic cylinder and servo motor simultaneously, hydraulic cylinder drives connecting plate and connecting ring to move, in this way, drive top cover and heat insulation screw member to move, when heat insulation screw member is close to quenching furnace body, servo motor drives heat insulation screw member to rotate, make heat insulation screw member cooperate with internal thread, make heat insulation screw member be connected on quenching furnace body with screw thread, in this way, improve the connection strength of top cover and quenching furnace body, limit rod cooperates with fixed seat, and is used for limiting top cover and heat insulation screw member, in this way, avoid top cover to shake or deflect, reach the purpose of improving the stability of top cover.

[0010] Optionally, the top end of the hydraulic cylinder is provided with a buffer groove, and the bottom end of the connecting plate is fixedly connected with a T-shaped slide connected with the buffer groove.

[0011] Through the above technical scheme, the T-shaped slide cooperates with the buffer groove to provide a buffer between the connecting plate and the hydraulic cylinder. When the heat insulation screw moves on the quenching furnace body, the servo motor drives the heat insulation screw to move at a different speed than the hydraulic cylinder drives the connecting rod to move. This avoids the connection between the connecting plate and the hydraulic cylinder from breaking, thereby improving the stability of the equipment.

[0012] Optionally, the side wall of the hydraulic cylinder is fixedly connected with two T-shaped sliding grooves at a position close to the top end, and the bottom end of the connecting plate is fixedly connected with two reinforcing members slidingly connected with the T-shaped sliding grooves.

[0013] Through the above technical scheme, the T-shaped sliding groove cooperates with the reinforcing member to improve the stability of the connecting plate and avoid the connecting plate from shaking or deflecting, thereby improving the stability of the equipment.

[0014] Optionally, the bottom end of the top cover is fixedly connected with a sealing ring, and the top end of the quenching furnace body is provided with a sealing groove matched with the sealing ring.

[0015] By adopting the above technical scheme, the sealing ring and the sealing groove are matched to improve the sealing performance between the top cover and the quenching furnace body, so that the stability of the equipment is improved.

[0016] Optionally, an isolation shell is fixedly connected to the outer wall of the quenching furnace body.

[0017] By adopting the above technical scheme, the isolation shell is used to wrap the quenching furnace body, so that the probability of damage to the quenching furnace body is reduced, and harm caused by accidental contact with the quenching furnace body is avoided.

[0018] (Three) beneficial effects

[0019] In summary, the utility model has at least one of the following beneficial technical effects:

[0020] The high-speed steel carburizing and quenching device is characterized in that: after the workpiece is placed in the quenching furnace body, the hydraulic cylinder and the servo motor are started at the same time, the hydraulic cylinder drives the connecting plate and the connecting ring to move, thereby driving the top cover and the heat insulation screw to move, when the heat insulation screw is close to the quenching furnace body, the servo motor drives the heat insulation screw to rotate, so that the heat insulation screw is matched with the internal thread, and the heat insulation screw is screwed on the quenching furnace body, thereby improving the connection strength of the top cover and the quenching furnace body, the limiting rod is matched with the fixed seat, and is used for limiting the top cover and the heat insulation screw, so that the top cover is prevented from shaking or deviating, and the stability of the top cover is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a first side view structure schematic diagram of the utility model;

[0022] Figure 2 It is a second side view structure schematic diagram of the utility model;

[0023] Figure 3 It is a first cross-sectional structure schematic diagram of the utility model;

[0024] Figure 4 It is a first cross-sectional structure schematic diagram of the utility model; Figure 3 It is a first cross-sectional structure schematic diagram of the utility model;

[0025] In the figure: 1, bottom plate; 2, hydraulic cylinder; 3, quenching furnace body; 4, connecting plate; 5, connecting ring; 6, top cover; 7, servo motor; 8, heat insulation screw; 9, fixed seat; 10, connecting seat; 11, limiting rod; 12, T-shaped slide; 13, tension spring; 14, T-shaped sliding groove; 15, reinforcing piece; 16, sealing ring; 17, sealing groove; 18, isolation shell. DETAILED DESCRIPTION

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] The present invention will be further described in detail below with reference to the accompanying drawings.

[0028] Reference Figure 1 and Figure 2 A high-speed steel carburizing and quenching device includes a base plate 1, a hydraulic cylinder 2, and a quenching furnace body 3 fixedly connected to the top of the base plate 1. The inner wall of the quenching furnace body 3 has an internal thread near the top. The hydraulic cylinder 2 is fixedly connected to the top of the base plate 1, and a connecting plate 4 is provided at the top of the hydraulic cylinder 2. A connecting ring 5 is fixedly connected to one end of the connecting plate 4, and a top cover 6 that mates with the quenching furnace body 3 is fixedly connected to the bottom end of the connecting ring 5. A servo motor 7 is installed at the top of the top cover 6, and the output end of the servo motor 7 passes through the top cover 6 and is connected to a heat-insulating threaded component 8, which mates with the internal thread. Two mating fixing seats 9 are fixedly connected to the outer wall of the quenching furnace body 3 near the top, and limit holes are provided on the fixing seats 9. A [missing information - likely a device or component] is fixedly connected to the top cover 6. Two connecting seats 10 are provided, with a limiting rod 11 fixedly connected to the bottom of each connecting seat 10 and slidably connected to the limiting hole. After the workpiece is placed into the quenching furnace body 3, the hydraulic cylinder 2 and the servo motor 7 are started simultaneously. The hydraulic cylinder 2 drives the connecting plate 4 and the connecting ring 5 to move, thereby driving the top cover 6 and the heat-insulating threaded part 8 to move. When the heat-insulating threaded part 8 is close to the quenching furnace body 3, the servo motor 7 drives the heat-insulating threaded part 8 to rotate, so that the heat-insulating threaded part 8 engages with the internal thread, and the heat-insulating threaded part 8 is threadedly connected to the quenching furnace body 3, thereby improving the connection strength between the top cover 6 and the quenching furnace body 3. The limiting rod 11 engages with the fixed seat 9 to limit the top cover 6 and the heat-insulating threaded part 8, thereby preventing the top cover 6 from shaking or tilting, and achieving the purpose of improving the stability of the top cover 6.

[0029] Reference Figure 3 and Figure 4The top end of the hydraulic cylinder 2 is provided with a buffer groove, the bottom end of the connecting plate 4 is fixedly connected with a T-shaped sliding piece 12 which is in sliding connection with the buffer groove, a tension spring 13 is arranged between the T-shaped sliding piece 12 and the inner side wall of the buffer groove, the T-shaped sliding piece 12 cooperates with the buffer groove, and is used for providing buffering between the connecting plate 4 and the hydraulic cylinder 2, so that when the heat insulation screw 8 moves on the quenching furnace body 3, the connecting position between the connecting plate 4 and the hydraulic cylinder 2 is prevented from being broken when the moving speed of the heat insulation screw 8 driven by the servo motor 7 is different from the moving speed of the connecting rod driven by the hydraulic cylinder 2, so as to improve the stability of the equipment.

[0030] With reference to Figures 2-4 The side wall of the hydraulic cylinder 2 is fixedly connected with two T-shaped sliding grooves 14 near the top end, and the bottom end of the connecting plate 4 is fixedly connected with two reinforcing pieces 15 which are in sliding connection with the T-shaped sliding grooves 14, the T-shaped sliding grooves 14 cooperate with the reinforcing pieces 15, and are used for improving the stability of the connecting plate 4 and preventing the connecting plate 4 from shaking or deflecting, so as to improve the stability of the equipment.

[0031] With reference to Figure 1 And Figure 2 The bottom end of the top cover 6 is fixedly connected with a sealing ring 16, and the top end of the quenching furnace body 3 is provided with a sealing groove 17 which cooperates with the sealing ring 16, the sealing ring 16 cooperates with the sealing groove 17, and is used for improving the sealing property between the top cover 6 and the quenching furnace body 3, so as to improve the stability of the equipment.

[0032] With reference to Figure 1 The outer wall of the quenching furnace body 3 is fixedly connected with an isolation shell 18, the isolation shell 18 is used for wrapping the quenching furnace body 3, so as to reduce the probability of damage of the quenching furnace body 3 and prevent personnel from being injured by accidentally touching the quenching furnace body 3.

[0033] In summary, the working principle and working process of the high-speed steel carburizing and quenching device are as follows: when in use, first, the workpiece is placed in the quenching furnace body 3, and then the hydraulic cylinder 2 and the servo motor 7 are started, the hydraulic cylinder 2 drives the connecting plate 4 and the connecting ring 5 to move, thereby driving the top cover 6 and the heat insulation threaded part 8 to move, when the heat insulation threaded part 8 is close to the quenching furnace body 3, the servo motor 7 drives the heat insulation threaded part 8 to rotate, so that the heat insulation threaded part 8 is matched with the internal thread, the heat insulation threaded part 8 is screwed on the quenching furnace body 3, thereby improving the connection strength of the top cover 6 and the quenching furnace body 3, the limiting rod 11 is matched with the fixed seat 9, and is used for limiting the top cover 6 and the heat insulation threaded part 8, so as to avoid the shaking or deflection of the top cover 6, and the stability of the top cover 6 is improved, the T-shaped sliding part 12 is matched with the buffer groove, and is used for providing buffering between the connecting plate 4 and the hydraulic cylinder 2, so that when the heat insulation threaded part 8 moves on the quenching furnace body 3, when the moving speed of the heat insulation threaded part 8 driven by the servo motor 7 is different from the moving speed of the connecting rod driven by the hydraulic cylinder 2, the connection position between the connecting plate 4 and the hydraulic cylinder 2 is prevented from being broken, and the stability of the equipment is improved, the T-shaped sliding groove 14 is matched with the reinforcing part 15, and is used for improving the stability of the connecting plate 4, avoiding the shaking or deflection of the connecting plate 4, and improving the stability of the equipment, the sealing ring 16 is matched with the sealing groove 17, and is used for improving the sealing property between the top cover 6 and the quenching furnace body 3, thereby improving the stability of the equipment, and the isolation shell 18 is used for wrapping the quenching furnace body 3, thereby reducing the probability of damage of the quenching furnace body 3 and avoiding the harm caused by the accidental touch of the quenching furnace body 3 by the personnel.

[0034] The above-described embodiments only express the specific implementation of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of protection of the present application.

Claims

1. A high speed steel carburizing and quenching apparatus comprising a base plate (1), characterized in that: Including hydraulic cylinder (2), the top of the bottom plate (1) is fixedly connected with quenching furnace body (3), the inner side wall of quenching furnace body (3) is provided with internal thread at the position close to the top, the hydraulic cylinder (2) is fixedly connected at the top of the bottom plate (1), the top of the hydraulic cylinder (2) is provided with connecting plate (4), one end of connecting plate (4) is fixedly connected with connecting ring (5), the bottom end of connecting ring (5) is fixedly connected with top cover (6) matched with quenching furnace body (3), the top of top cover (6) is installed with servo motor (7), the output end of servo motor (7) is connected with heat insulation screw (8) penetrating through top cover (6), heat insulation screw (8) is matched with internal thread, the outer wall of quenching furnace body (3) is fixedly connected with two matched fixed seats (9) at the position close to the top, the fixed seat (9) is provided with limiting hole, the top cover (6) is fixedly connected with two connecting seats (10), the bottom end of connecting seat (10) is fixedly connected with limiting rod (11) slidably connected with limiting hole.

2. The apparatus for carburizing and quenching a high speed steel of claim 1, wherein: The top of the hydraulic cylinder (2) is provided with buffer groove, the bottom end of the connecting plate (4) is fixedly connected with T-shaped slide (12) slidably connected with the buffer groove, and the T-shaped slide (12) is provided with tension spring (13) between the inner side wall of the buffer groove.

3. The apparatus for carburizing and quenching a high speed steel of claim 1, wherein: The side wall of the hydraulic cylinder (2) is fixedly connected with two T-shaped sliding grooves (14) at the position close to the top, and the bottom end of the connecting plate (4) is fixedly connected with two reinforcing members (15) slidably connected with the T-shaped sliding grooves (14).

4. The apparatus for carburizing and quenching a high speed steel of claim 1 wherein: The bottom end of the top cover (6) is fixedly connected with sealing ring (16), and the top of the quenching furnace body (3) is provided with sealing groove (17) matched with the sealing ring (16).

5. The apparatus for carburizing and quenching a high speed steel of claim 1 wherein: The outer wall of the quenching furnace body (3) is fixedly connected with isolation shell (18).

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