High-temperature carburizing and quenching device for carburizing furnace

Abstract

This invention relates to the field of bearing carburizing technology and discloses a high-temperature carburizing and quenching device for a carburizing furnace, comprising a carburizing box and a thrust bearing. A continuous carburizing inclined plate is installed inside the carburizing box, and carburizing and quenching components are installed on the two inner side walls of the carburizing box. A guide component is slidably installed on the continuous carburizing inclined plate. The guide component includes an inclined slide plate with a straight groove. An adjusting component is slidably installed in the straight groove and is driven by a drive component. In this invention, a clamping and positioning block is inserted between the two raceways of the thrust bearing. A lifting guide rod drives the lifting block upward, while simultaneously pushing the inclined clamping blocks on both sides of the clamping and positioning block via the inclined surface of the inclined push block. The toothed ring on the lifting block meshes with the inclined rack, causing the thrust bearing to change from a horizontal to a vertical state. When the lifting block slides to the top of the straight groove, the thrust bearing rotates to a vertical state, and the carburizing and quenching components on the two inner side walls of the carburizing box carburize the raceway annular surface of the thrust bearing.

Description

Technical Field

[0001] This invention relates to the field of bearing carburizing technology, and more specifically to a high-temperature carburizing and quenching apparatus for a carburizing furnace. Background Technology

[0002] A carburizing furnace is a piece of equipment specifically designed for performing the carburizing process, a heat treatment process commonly used to improve the hardness, wear resistance, and corrosion resistance of bearing metal surfaces. During carburizing, carbon atoms are dispersed onto the metal surface to form a carbide layer, thereby improving the surface properties of the metal.

[0003] Existing technologies for carburizing thrust bearings require the use of a continuous carburizing furnace. For example, the utility model patent with publication number CN219752407U mainly discloses a method of achieving continuous carburizing by placing the bearing on an inclined plate.

[0004] Existing technologies for carburizing thrust bearings have the following technical problems: The raceway working surface (ring surface) of a thrust bearing bears rolling friction and contact stress, requiring guaranteed carburization depth and hardness as it is the core reinforcement area. Therefore, the core carburizing area of ​​a thrust bearing is the raceway ring surface. However, the existing technology does not specifically limit the bearing placement. Those skilled in the art can understand this as two methods: horizontal and vertical placement. When the bearing is horizontal, the core carburizing area is mainly the outer ring. When the bearing is vertical, it rolls along the inclined plate. Although the core carburizing area is the raceway ring surface, the unstable rolling motion makes it prone to tipping over, thus vertical placement cannot continuously carburize the raceway ring surface. Therefore, existing technologies are not suitable for carburizing the raceway ring surface of thrust bearings. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing a high-temperature carburizing and quenching device for carburizing the raceway annular surface of thrust bearings in a carburizing furnace.

[0006] The objective of this invention can be achieved through the following technical solutions: A high-temperature carburizing and quenching device for a carburizing furnace includes a carburizing box and a thrust bearing. A continuous carburizing inclined plate is installed inside the carburizing box, and carburizing and quenching components are installed on the two inner side walls of the carburizing box. A guide component is slidably installed on the continuous carburizing inclined plate. The guide component includes an inclined slide plate with a straight groove. An adjustment component is slidably installed in the straight groove and driven by a drive component. The adjustment component includes a lifting block with a clamping and positioning block rotatably installed at its front end. The clamping and positioning block extends between the two races of the thrust bearing. An inclined guide groove is formed inside the straight groove, and the lifting block is slidably connected to the inclined guide groove through the guide block. A limiting push rod is slidably installed inside the lifting block. One side of the limiting push rod is attached to the straight wall of the lifting guide rod, and an inclined push block is installed on the other side. The inclined surface of the inclined push block cooperates with the inclined surfaces of the clamping and positioning blocks on both sides.

[0007] As a further embodiment of the present invention: an inclined rack is installed inside the straight groove, and a toothed ring is rotatably installed on the lifting block. The toothed ring meshes with the inclined rack, and the toothed ring is connected to the limiting push rod.

[0008] As a further aspect of the present invention: a strip groove is formed on the limiting push rod, and a transmission block is installed on the inner wall of the toothed ring, with the transmission block sliding inside the strip groove.

[0009] As a further embodiment of the present invention: a lifting guide rod is installed at the bottom of the lifting block, a guide groove is opened on the continuous carburizing inclined plate, a guide plate is installed inside the carburizing box, and the lifting guide rod passes through the guide groove and fits against the guide plate.

[0010] As a further aspect of the present invention: the driving assembly includes a motor installed inside the carburizing box, the output end of the motor is connected to a lead screw, the lead screw is connected to a guide seat, and the guide seat is connected to a lifting guide rod through a guide sleeve rod.

[0011] As a further aspect of the present invention, a top groove is formed at the top of the straight groove.

[0012] As a further aspect of the present invention: a positioning arc surface is provided on the inclined slide plate, and when the thrust bearing is placed on the continuous carburized inclined plate, the thrust bearing slides into the positioning arc surface.

[0013] The beneficial effects of this invention are: (1) In this invention, the lifting guide rod is driven by the driving component to slide along the guide groove, and the inclined slide slides accordingly. During this process, the lifting guide rod and the inclined surface of the guide plate cooperate to drive the lifting block to move upward. The lifting block slides along the inclined guide groove through the guide block. As the lifting block moves upward, the lifting block and the limiting push rod on it gradually approach the straight groove and straight wall, so that the limiting push rod slides into the lifting block. The limiting push rod drives the inclined push block to move synchronously. The inclined surface on the inclined push block pushes the inclined clamping blocks on both sides of the clamping positioning block, so that the inclined clamping blocks extend out to clamp and fix the thrust bearing. After the inclined clamping block clamps the thrust bearing, the toothed ring on the lifting block meshes with the inclined rack. As the lifting block moves upward, the toothed ring drives the limit push rod to rotate through the transmission block. The limit push rod drives the clamping positioning block to rotate through the inclined push block. The thrust bearing changes from a flat state to a vertical state. When the lifting block slides to the top of the straight groove, the thrust bearing rotates to a vertical state, and the carburizing and quenching components on the two inner walls of the carburizing box carburize the raceway ring surface of the thrust bearing.

[0014] (2) When the lifting block of the present invention slides to the top of the straight groove, the limiting push rod corresponds to the top groove. The compression spring rebounds and drives the inclined push block to move into the top groove. At this time, the inclined clamping block automatically retracts into the clamping positioning block, and the thrust bearing makes limiting contact. As the drive assembly drives the guide assembly to slide along the continuous carburizing inclined plate, the thrust bearing rolls from top to bottom along the continuous carburizing inclined plate. At the same time, the clamping positioning block guides the thrust bearing to roll by extending between the two races of the thrust bearing, preventing the thrust bearing from tipping over during rolling, which would prevent continuous carburizing of the raceway ring surface. Attached Figure Description

[0015] The invention will now be further described with reference to the accompanying drawings.

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a top view of the overall structure of the invention; Figure 3 This is a cross-sectional view of the overall structure of the present invention; Figure 4 This is a schematic diagram of the connection structure between the drive component and the adjustment component; Figure 5 This is a schematic diagram of the thrust bearing in its horizontal position. Figure 6 This is a schematic diagram of the thrust bearing in its vertical position. Figure 7 This is a schematic diagram of the split structure of the adjustment component and the guide component; Figure 8 It is a cross-sectional view of the overall structure of the adjustment component; Figure 9 This is a schematic diagram of the connection structure between the lifting block and the clamping positioning block; Figure 10This is a schematic diagram of the connection structure between the lifting block and the limit push rod.

[0017] In the diagram: 1. Carburizing box; 2. Continuous carburizing inclined plate; 3. Carburizing and quenching assembly; 4. Guide groove; 5. Guide assembly; 501. Inclined slide plate; 502. Positioning arc surface; 503. Straight groove; 504. Top groove; 505. Inclined guide groove; 506. Inclined rack; 6. Drive assembly; 601. Motor; 602. Lead screw; 603. Guide seat; 604. Guide sleeve rod; 7. Guide plate; 8. Adjustment assembly; 801. Clamping and positioning block; 802. Lifting block; 803. Lifting guide rod; 804. Inclined clamping block; 805. Limiting push rod; 806. Inclined push block; 807. Compression spring; 808. Guide block; 809. Gear ring; 810. Transmission block; 811. Strip groove; 9. Thrust bearing. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Please see Figures 1-10 As shown, this invention relates to a high-temperature carburizing and quenching device for a carburizing furnace, comprising a carburizing box 1 and a thrust bearing 9. A continuous carburizing inclined plate 2 is installed inside the carburizing box 1, and carburizing and quenching components 3 are installed on the two inner side walls of the carburizing box 1. A guide component 5 is slidably installed on the continuous carburizing inclined plate 2. The guide component 5 includes an inclined slide plate 501, on which a straight groove 503 is formed. An adjusting component 8 is slidably installed within the straight groove 503, and the adjusting component 8 is driven by a driving component 6. The adjusting component 8 includes a lifting block 802. 2. A front-end rotating clamping and positioning block 801 is installed, extending between the two races of the thrust bearing 9. An inclined guide groove 505 is formed inside the straight groove 503. The lifting block 802 is slidably connected to the inclined guide groove 505 via a guide block 808. A limiting push rod 805 is slidably installed inside the lifting block 802. One side of the limiting push rod 805 is attached to the straight wall of the lifting guide rod 803, and the other side is equipped with an inclined push block 806. The inclined surface of the inclined push block 806 cooperates with the inclined surfaces of the clamping and positioning blocks 804 on both sides of the clamping and positioning block 801. Specifically, a positioning arc surface 502 is formed on the inclined slide plate 501. When the thrust bearing 9 is placed on the continuous carburized inclined plate 2, the thrust bearing 9 slides into the positioning arc surface 502. Specifically, a top groove 504 is formed at the top of the straight groove 503.

[0020] It should be noted that, in use, the thrust bearing 9 to be carburized is placed flat at the high point of the continuous carburizing inclined plate 2. The thrust bearing 9 slides from the high point of the continuous carburizing inclined plate 2 into the positioning arc surface 502. After the thrust bearing 9 enters the positioning arc surface 502, the clamping positioning block 801 is inserted between the two races of the thrust bearing 9. Figure 5 As shown.

[0021] Motor 601 drives lead screw 602 to rotate. Guide seat 603 drives lifting guide rod 803 to slide along guide groove 4 through guide sleeve rod 604. Inclined slide plate 501 slides accordingly. During this process, through the cooperation of lifting guide rod 803 and inclined surface of guide plate 7, lifting guide rod 803 drives lifting block 802 to move upward. Lifting block 802 slides along inclined guide groove 505 through guide block 808. As lifting block 802 moves upward, lifting block 802 and its limiting push rod 805 gradually approach the straight wall of straight groove 503, causing limiting push rod 805 to slide into lifting block 802. Limiting push rod 805 drives inclined push block 806 to move synchronously. Through the inclined surface on inclined push block 806, the inclined clamping blocks 804 on both sides of clamping positioning block 801 are pushed, causing inclined clamping blocks 804 to extend and clamp and fix thrust bearing 9.

[0022] After the inclined clamping block 804 clamps the thrust bearing 9, the toothed ring 809 on the lifting block 802 meshes with the inclined rack 506. As the lifting block 802 moves upward, the toothed ring 809 drives the limiting push rod 805 to rotate through the transmission block 810. The limiting push rod 805 drives the clamping positioning block 801 to rotate through the inclined push block 806. The thrust bearing 9 changes from a flat state to a vertical state. When the lifting block 802 slides to the top of the straight groove 503, the thrust bearing 9 rotates to a vertical state, and the carburizing and quenching components 3 on the two inner side walls of the carburizing box 1 carburize the raceway annular surface of the thrust bearing 9. When the lifting block 802 slides to the top of the straight groove 503, the limiting push rod 805 corresponds to the top groove 504. The compression spring 807 rebounds and drives the inclined push block 806 to move into the top groove 504. At this time, the inclined clamping block 804 automatically retracts into the clamping positioning block 801, and the thrust bearing 9 makes limiting contact. As the drive assembly 6 drives the guide assembly 5 to slide along the continuous carburizing inclined plate 2, the thrust bearing 9 rolls from top to bottom along the continuous carburizing inclined plate 2. At the same time, the clamping positioning block 801 guides the thrust bearing 9 to roll by extending between the two races of the thrust bearing 9, preventing the thrust bearing 9 from tipping over during rolling, which would prevent continuous carburizing of the raceway annular surface.

[0023] Furthermore, the present invention improves the uniformity of carburizing on the raceway surface of the thrust bearing 9 by having the thrust bearing 9 roll through the carburizing and quenching assembly 3.

[0024] See Figures 4-7An inclined rack 506 is installed inside the straight groove 503. A gear ring 809 is rotatably installed on the lifting block 802, meshing with the inclined rack 506. The gear ring 809 is connected to a limiting push rod 805. A strip groove 811 is formed on the limiting push rod 805, and a transmission block 810 is installed on the inner wall of the gear ring 809, sliding inside the strip groove 811. A lifting guide rod 803 is installed at the bottom of the lifting block 802. A guide groove 4 is formed on the continuous carburizing inclined plate 2, and a guide plate 7 is installed inside the carburizing box 1. The lifting guide rod 803 passes through the guide groove 4 and fits against the guide plate 7. Specifically, the drive assembly 6 includes a motor 601 installed inside the carburizing box 1. The output end of the motor 601 is connected to a lead screw 602, which is driven by a guide seat 603. The guide seat 603 is connected to the lifting guide rod 803 through a guide sleeve rod 604.

[0025] It should be noted that the present invention drives the guide component 5 to slide along the continuous carburizing inclined plate 2 through the drive component 6. During this process, the lifting guide rod 803 cooperates with the inclined surface of the guide plate 7, and the lifting guide rod 803 pushes the lifting block 802 to slide along the inclined guide groove 505.

[0026] Furthermore, the inclined guide groove 505 of the present invention is perpendicular to the continuous carburizing inclined plate 2. After the thrust bearing 9 is rotated to a vertical state, the lifting block 802 is at a right angle to the continuous carburizing inclined plate 2. After the thrust bearing 9 is released from its limit, the thrust bearing 9 can be prevented from jumping and the rolling stability of the thrust bearing 9 can be improved.

[0027] The working principle of this invention: In use, the thrust bearing 9 to be carburized is placed flat at the high point of the continuous carburizing inclined plate 2. The thrust bearing 9 slides from the high point of the continuous carburizing inclined plate 2 into the positioning arc surface 502. After the thrust bearing 9 enters the positioning arc surface 502, the clamping positioning block 801 is inserted between the two races of the thrust bearing 9. Figure 5 As shown.

[0028] Motor 601 drives lead screw 602 to rotate. Guide seat 603 drives lifting guide rod 803 to slide along guide groove 4 through guide sleeve rod 604. Inclined slide plate 501 slides accordingly. During this process, through the cooperation of lifting guide rod 803 and inclined surface of guide plate 7, lifting guide rod 803 drives lifting block 802 to move upward. Lifting block 802 slides along inclined guide groove 505 through guide block 808. As lifting block 802 moves upward, lifting block 802 and its limiting push rod 805 gradually approach the straight wall of straight groove 503, causing limiting push rod 805 to slide into lifting block 802. Limiting push rod 805 drives inclined push block 806 to move synchronously. Through the inclined surface on inclined push block 806, the inclined clamping blocks 804 on both sides of clamping positioning block 801 are pushed, causing inclined clamping blocks 804 to extend and clamp and fix thrust bearing 9.

[0029] After the inclined clamping block 804 clamps the thrust bearing 9, the toothed ring 809 on the lifting block 802 meshes with the inclined rack 506. As the lifting block 802 moves upward, the toothed ring 809 drives the limiting push rod 805 to rotate through the transmission block 810. The limiting push rod 805 drives the clamping positioning block 801 to rotate through the inclined push block 806. The thrust bearing 9 changes from a flat state to a vertical state. When the lifting block 802 slides to the top of the straight groove 503, the thrust bearing 9 rotates to a vertical state, and the carburizing and quenching components 3 on the two inner side walls of the carburizing box 1 carburize the raceway annular surface of the thrust bearing 9. When the lifting block 802 slides to the top of the straight groove 503, the limiting push rod 805 corresponds to the top groove 504. The compression spring 807 rebounds and drives the inclined push block 806 to move into the top groove 504. At this time, the inclined clamping block 804 automatically retracts into the clamping positioning block 801, and the thrust bearing 9 makes limiting contact. As the drive assembly 6 drives the guide assembly 5 to slide along the continuous carburizing inclined plate 2, the thrust bearing 9 rolls from top to bottom along the continuous carburizing inclined plate 2. At the same time, the clamping positioning block 801 guides the thrust bearing 9 to roll by extending between the two races of the thrust bearing 9, preventing the thrust bearing 9 from tipping over during rolling, which would prevent continuous carburizing of the raceway annular surface.

Claims

1. A high-temperature carburizing and quenching device for a carburizing furnace, characterized in that, It includes a carburizing box (1) and a thrust bearing (9). A continuous carburizing inclined plate (2) is installed inside the carburizing box (1), and a carburizing and quenching assembly (3) is installed on the two inner side walls of the carburizing box (1). The guide assembly (5) is slidably installed on the continuous carburizing inclined plate (2). The guide assembly (5) includes an inclined slide plate (501). A straight groove (503) is opened on the inclined slide plate (501). An adjustment assembly (8) is slidably installed in the straight groove (503). The adjustment assembly (8) is driven by the drive assembly (6). The adjustment assembly (8) includes a lifting block (802). A clamping and positioning block (801) is rotatably installed at the front end of the lifting block (802). The clamping and positioning block (801) extends between the two races of the thrust bearing (9). An inclined guide groove (505) is opened inside the straight groove (503). The lifting block (802) is slidably connected to the inclined guide groove (505) through the guide block (808). The lifting block (802) is internally slidably installed with a limiting push rod (805). One side of the limiting push rod (805) is attached to the straight wall of the lifting guide rod (803), and the other side is installed with an inclined push block (806). The inclined surface of the inclined push block (806) cooperates with the inclined surfaces of the inclined clamping blocks (804) on both sides of the clamping and positioning block (801).

2. The carburizing furnace high temperature carburizing and quenching apparatus according to claim 1, characterized by An inclined rack (506) is installed inside the straight groove (503), and a toothed ring (809) is rotatably installed on the lifting block (802). The toothed ring (809) meshes with the inclined rack (506), and the toothed ring (809) is connected to the limiting push rod (805).

3. The carburizing furnace high temperature carburizing and quenching apparatus according to claim 2, wherein The limiting push rod (805) has a strip groove (811) and a transmission block (810) is installed on the inner wall of the toothed ring (809). The transmission block (810) slides inside the strip groove (811).

4. The carburizing furnace high temperature carburizing and quenching apparatus according to claim 1, characterized by The lifting block (802) is equipped with a lifting guide rod (803) at the bottom. A guide groove (4) is opened on the continuous carburizing inclined plate (2). A guide plate (7) is installed inside the carburizing box (1). The lifting guide rod (803) passes through the guide groove (4) and fits against the guide plate (7).

5. The carburizing furnace high temperature carburizing and quenching apparatus according to claim 1, wherein The drive assembly (6) includes a motor (601) installed inside the carburizing box (1), the output end of the motor (601) is connected to a lead screw (602), the lead screw (602) is connected to a guide seat (603), and the guide seat (603) is connected to a lifting guide rod (803) through a guide sleeve rod (604).

6. The carburizing furnace high temperature carburizing and quenching apparatus according to claim 1, wherein The top groove (504) is formed at the top of the straight groove (503).

7. The high-temperature carburizing and quenching apparatus for a carburizing furnace according to claim 1, characterized in that, The inclined slide plate (501) has a positioning arc surface (502). When the thrust bearing (9) is placed on the continuous carburizing inclined plate (2), the thrust bearing (9) slides into the positioning arc surface (502).

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