Forge piece quenching device

By using a rack and pinion meshing transmission and a cross-sleeving structure of moving blocks, the problems of gear and rack wear and liquid splashing in the forging quenching device are solved, achieving high-precision transmission and efficient slag removal, and improving the stability and quenching quality of the quenching device.

CN224186202UActive Publication Date: 2026-05-01CHANGZHOU KAILEI CASTING & FORGING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGZHOU KAILEI CASTING & FORGING CO LTD
Filing Date
2025-06-03
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

In existing forging quenching equipment, the gear and rack transmission of the drive auxiliary mechanism is susceptible to impact wear, affecting accuracy. Furthermore, the liquid at the bottom of the quenching cooling tank is prone to splashing and contaminating the transmission components, leading to equipment aging and unstable operation.

Method used

The system employs a rack and pinion meshing transmission, combined with a cross-sleeving structure of movable blocks, to achieve synchronous opposite/backward movement of the collection baskets. The fixed box is integrated with the gear drive to prevent the quenching liquid from corroding the transmission components, and the quenching liquid is uniformly stirred by the stirring component.

Benefits of technology

It improves transmission accuracy and equipment stability, extends service life, ensures the removal of slag inclusions on the surface of forgings, and enhances quenching quality.

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Abstract

The utility model discloses a forge piece quenching device and belongs to the field of forge piece quenching. The quenching device mainly comprises a quenching tank and a quenching assembly, the quenching assembly comprises two sets of connecting frames arranged at the upper end of the quenching tank, a fixing box is installed between the two sets of connecting frames, two sets of oppositely-arranged toothed bars movably penetrate through the fixing box, a second motor is installed on the fixing box, and a gear meshed with the two sets of toothed bars is installed at one end of the second motor; the two groups of toothed bars are defined as a first toothed bar and a second toothed bar, the first toothed bar is fixedly sleeved with a first movable block, the second toothed bar is movably sleeved with the first movable block, the second toothed bar is fixedly sleeved with a second movable block, and the first toothed bar is movably sleeved with the second movable block; a first collecting basket is detachably installed on the first movable block, and a second collecting basket is detachably installed on the second movable block. According to the forge piece quenching device, synchronous movement of the collecting basket is achieved through double-rack-rod gear transmission and a cross sleeving structure, the device adapts to forge piece deslagging, and the rack rods and the gears are arranged at the upper ends to achieve the anti-erosion effect.
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Description

Technical Field

[0001] This utility model relates to the field of forging quenching technology, and in particular to a forging quenching device. Background Technology

[0002] In the field of machinery manufacturing, forgings are key basic components constituting various mechanical equipment, and their performance directly affects the overall quality and service life of the equipment. Quenching, as a key heat treatment process to improve the hardness, strength, and wear resistance of forgings, plays a decisive role in the final performance of forgings.

[0003] In existing forging quenching devices, the forging is placed on a screening auxiliary frame. The forging's weight and impact force cause the drive control frame to slide down, driving the drive rack to rotate the drive gear. The drive shaft rotates synchronously, causing the screening auxiliary frame on the other side to slide up. During the sliding of the drive control frame, the support auxiliary block rotates the transmission shaft, causing the transmission gear to roll along the transmission rack. The transmission cam at the outer end of the transmission shaft contacts the bottom end of the screening auxiliary frame. When rotating, it pushes the screening auxiliary frame to slide along the T-shaped limit groove. The elastic reset component provides the reset force, realizing the reciprocating motion of the screening auxiliary frame and completing the screening action of the forging. At the same time, the movement of the screening auxiliary frame can clean impurities in the quenching cooling tank and drain the quenching liquid through the drain hole, realizing the cleaning function of the device.

[0004] In practical applications, the gear and rack transmission method (drive gear and drive rack) used in the drive auxiliary mechanism has defects: the impact load generated during the quenching process of the forging causes dynamic changes in the meshing clearance of the gear and rack. With increasing usage time, component wear intensifies, not only reducing transmission accuracy but also potentially leading to jamming or even seizure. Furthermore, the drain hole located on the outer side of the bottom of the quenching cooling tank allows residual liquid to splash when the drive control frame slides, contaminating transmission components such as gears and cams, accelerating equipment aging, and affecting operational stability. Therefore, a forging quenching device needs to be designed.

[0005] It should be noted that the information disclosed in this background section is only for understanding the background technology of this application concept, and therefore may include information that does not constitute prior art. Utility Model Content

[0006] This utility model provides a forging quenching device to solve the problems of gear and rack transmission in the drive auxiliary mechanism being susceptible to impact wear, affecting accuracy, and the drive control frame easily splashing and contaminating parts when sliding.

[0007] This utility model embodiment adopts the following technical solution: a forging quenching device. It includes a quenching tank, a quenching assembly, and a driving assembly. The quenching assembly includes two sets of connecting frames disposed at the upper end of the quenching tank. A fixed box is installed between the two sets of connecting frames. Two sets of opposing gears are movably inserted through the side of the fixed box. A second motor is installed on the fixed box, with its output end extending into the fixed box and a gear meshing with the two sets of gears installed at one end. The gear on the left is defined as gear one, and the gear on the right is defined as gear two. A first movable block is fixedly sleeved on gear one, and the first movable block is movably sleeved on gear two. A second movable block is fixedly sleeved on gear two, and the second movable block is simultaneously movably sleeved on gear one. A first collection basket is detachably installed on the first movable block, and a second collection basket is detachably installed on the second movable block.

[0008] Furthermore, each of the four sides of the first and second movable blocks is threaded with a lifting ring 1, and the first and second collection baskets are respectively provided with lifting ring 2 near the four sides. The lifting ring 1 and the lifting ring 2 are connected by a connecting part composed of a chain and a hook. One end of the chain is fixedly connected to the lifting ring 1, and the other end is detachably connected to the lifting ring 2 through the hook.

[0009] Furthermore, support parts are installed on both sides of the quenching tank. Each support part includes a guide box installed on both sides of the quenching tank. A limiting groove is opened on the side of the guide box. A support frame is slidably arranged inside the guide box. A slider that is adapted to slide in the limiting groove is installed on the side of the support frame. The two sets of connecting frames are respectively connected to the two sets of support frames. The support parts are used to support and fix the position of the fixed box.

[0010] Furthermore, the drive assembly includes brackets mounted on both sides of the quenching tank. The brackets are concave, and two sets of guide rails are mounted on the sides of the brackets. A lead screw is mounted on a bearing inside the bracket.

[0011] The lead screw is threadedly connected to a sliding frame, which slides simultaneously on two sets of guide rails. A motor is installed at one end of the bracket, and the output end of the motor passes through the bracket and is connected to one end of the lead screw. Support plates are installed on both sets of sliding frames, and both ends of the toothed rod and the toothed rod are movably connected to the two sets of support plates.

[0012] Furthermore, both ends of rack one and rack two are provided with limiting blocks, which are adapted to contact the mutually distant sides of the support plate when rack one and rack two move relative to or towards each other.

[0013] Furthermore, two sets of baffles with a certain distance from the bottom surface of the quenching tank are installed inside the quenching tank, and a stirring assembly is fixedly installed on the side of the quenching tank. There are two sets of stirring assemblies. The stirring assembly includes a motor installed on the quenching tank. A stirring shaft is installed at the output end of the motor, and stirring blades are provided on the stirring shaft.

[0014] The above-mentioned technical solutions adopted in the embodiments of this utility model can achieve the following beneficial effects:

[0015] A forging quenching device, through the meshing transmission of two sets of racks and gears, and in conjunction with the cross-sleeving structure of the movable blocks, realizes the synchronous opposite / backward movement of the collection baskets, enabling the first and second collection baskets to achieve centering and separation. During the movement, the collection baskets can adapt to the surface contour of the forging, generating more effective frictional force, which can remove slag inclusions from the surface of the forging. At the same time, the gear drive component integrated in the fixed box is arranged above the quenching tank 1, effectively utilizing space, avoiding the corrosion of the transmission components by the quenching liquid, and extending the service life of the equipment. Attached Figure Description

[0016] The accompanying drawings, which are provided to further illustrate the present invention and constitute a part of the present invention, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.

[0017] In the attached diagram:

[0018] Figure 1 This is an overall schematic diagram of a forging quenching device according to this application;

[0019] Figure 2 for Figure 1 Schematic diagram of the intermediate quenching component structure;

[0020] Figure 3 for Figure 2 Exploded view;

[0021] Figure 4 for Figure 3 Enlarged view of point A;

[0022] Figure 5 for Figure 2 Enlarged view of point B;

[0023] Figure 6 for Figure 3 Enlarged view of point C;

[0024] Figure label:

[0025] 1. Quenching tank; 11. Baffle plate; 2. Stirring assembly; 21. Motor 1; 22. Stirring shaft; 3. Quenching assembly; 31. Guide box; 32. Support frame; 33. Slider; 34. Connecting frame; 35. Fixing box; 36. Motor 2; 37. Gear; 38. Gear rack; 39. First movable block; 310. Second movable block; 311. First collection basket; 312. Second collection basket; 313. Lifting ring 1; 314. Lifting hook; 315. Chain; 316. Lifting ring 2; 4. Drive assembly; 41. Bracket; 42. Guide rail; 43. Lead screw; 44. Sliding frame; 45. Motor 3; 46. Support plate. Detailed Implementation

[0026] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0027] The technical solutions provided by the various embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0028] Reference Figures 1 to 6 As shown, this utility model embodiment provides a forging quenching device, including a quenching tank 1, a stirring assembly 2, a quenching assembly 3, and a driving assembly 4;

[0029] The quenching assembly 3 includes two sets of connecting frames 34 disposed at the upper end of the quenching tank 1. A fixed box 35 is fixedly installed between the two sets of connecting frames 34. Two sets of racks 38 are movably passed through the side of the fixed box 35. The two sets of racks 38 are arranged opposite to each other. A second motor 36 is fixedly installed on the fixed box 35. The output end of the second motor 36 extends into the fixed box 35, and a gear 37 that meshes with the two sets of racks 38 is fixedly installed at one end. The gear 37 is adapted to rotate with the output end of the second motor 36 to drive the two sets of racks 38 to move closer or further apart.

[0030] Here Figure 3 For example, the toothed bar 38 on the left is defined as toothed bar one, and the toothed bar 38 on the right is defined as toothed bar two. A first movable block 39 is fixedly sleeved on toothed bar one, and the first movable block 39 is simultaneously movably sleeved on toothed bar two. A second movable block 310 is fixedly sleeved on toothed bar two, and the second movable block 310 is simultaneously movably sleeved on toothed bar one.

[0031] Furthermore, a first collection basket 311 is detachably installed on the first movable block 39, and a second collection basket 312 is detachably installed on the second movable block 310;

[0032] When motor 36 is started, its output drives gear 37 inside the fixed box 35 to rotate. Since gear 37 meshes with two sets of opposing racks 38, the rotation of gear 37 drives the racks 38 to move closer or further apart in a linear motion. The first movable block 39 and the second movable block 310 are respectively movably sleeved on the two racks and move synchronously with them. When the racks approach each other, the first movable block 39 and the second movable block 310 drive the first collection basket 311 and the second collection basket 312 to move closer together.

[0033] When the rack moves away from each other, the two sets of collection baskets move in opposite directions. By controlling the forward and reverse rotation of motor 36, the first collection basket 311 and the second collection basket 312 reciprocate horizontally. During the movement, they generate lateral friction and shear force with the surface of the forging. This lateral stress can be used to peel off the inclusions attached to the surface of the forging.

[0034] Specifically, the first movable block 39 and the second movable block 310 are threaded with lifting rings 313 on all four sides, and the first collection basket 311 and the second collection basket 312 are respectively provided with lifting rings 316 near the four sides. The lifting rings 313 and 316 are connected by a connecting part composed of a chain 315 and a hook 314.

[0035] One end of the chain 315 is fixedly connected to the first lifting ring 313, and the other end is detachably connected to the second lifting ring 316 via the hook 314. This structural design ensures a flexible connection between the first movable block 39, the second movable block 310, and the collection basket, allowing the collection basket to effectively conform to the surface of the forging and generate friction during horizontal reciprocating motion. It also facilitates quick replacement or cleaning of the collection basket by disassembling the hook 314. At the same time, the threaded connection ensures the stability of the lifting ring installation and can withstand the tension and vibration during the movement.

[0036] Specifically, support parts are installed on both sides of the quenching tank 1. The support parts include guide boxes 31 fixedly installed on both sides of the quenching tank 1. The guide boxes 31 have limiting grooves (not shown in the figure) on their sides. A support frame 32 is slidably arranged inside the guide box 31. A slider 33 adapted to slide in the limiting groove is fixedly installed on the side of the support frame 32. Two sets of connecting frames 34 are respectively connected to two sets of support frames 32. The support parts are used to support and fix the position of the fixed box 35.

[0037] The support frame 32 is nested inside the guide box 31. The slider 33 on its side and the limiting groove of the guide box 31 form a sliding pair, which restricts the degree of freedom of the support frame 32, allowing it to move linearly only along the direction of the limiting groove. At the same time, the fixed box 35 is rigidly connected to the support frame 32 through the connecting frame 34. When the motor 36 drives the gear 37 to drive the rack 38, the horizontal driving force is transmitted to the support frame 32 through the fixed box 35 and the connecting frame 34. Finally, the lateral force is borne by the mating surface of the slider 33 and the limiting groove.

[0038] Specifically, the drive assembly 4 includes a bracket 41 fixedly installed on both sides of the quenching tank 1. The bracket 41 is concave. Two sets of guide rails 42 are fixedly installed on the side of the bracket 41. A lead screw 43 is installed in the bracket 41 and a sliding frame 44 is threadedly connected to the lead screw 43. The sliding frame 44 slides on both sets of guide rails 42. A motor 3 45 is fixedly installed at one end of the bracket 41. The output end of the motor 3 45 passes through the bracket 41 and is connected to one end of the lead screw 43. Support plates 46 are fixedly installed on both sets of sliding frames 44. Both ends of the first and second racks are movably connected to the two sets of support plates 46. In this application, a limiting block can be provided at both ends of the first and second racks. The limiting block is adapted to contact the opposite sides of the support plate 46 when the first and second racks move relative to or towards each other.

[0039] The motor 45 is adapted to start, so as to drive the lead screw 43 to rotate, and then to drive the sliding frame 44 to move up and down, so as to synchronously drive the two sets of support plates 46 to move up and down, so as to drive the first collection basket 311 and the second collection basket 312 to be immersed in the quenching tank 1, or to be taken out from the quenching tank 1.

[0040] Motor 45 serves as the power source. After starting, it drives the lead screw 43 to rotate via the output shaft. Utilizing the transmission characteristics of the lead screw 43 and nut pair, the rotational motion of the motor is converted into the linear motion of the sliding frame 44, which simultaneously slides in cooperation with the two sets of guide rails 42 on the side of the bracket 41. When the lead screw 43 rotates forward or backward, the sliding frame 44 rises or falls vertically along the guide rails 42. This, in turn, through the support plate 46 fixed on the sliding frame 44, synchronously drives the first and second racks, as well as the first and second collection baskets 311 and 312, to perform vertical immersion or retrieval actions.

[0041] Limiting blocks are set at both ends of rack one and rack two, which cooperate with support plate 46 to form a mechanical limiting structure. When motor three 45 drives sliding frame 44 to raise and lower support plate 46, rack one and rack two move synchronously with support plate 46. When the rack moves horizontally relative to each other or towards each other, the limiting blocks will contact the opposite sides of support plate 46, thereby limiting the stroke range of the rack.

[0042] Specifically, two sets of baffles 11 with a certain distance from the bottom surface of the quenching tank 1 are fixedly installed inside the quenching tank 1. Two sets of stirring components 2 are provided. The stirring components 2 include a motor 21 fixedly installed on the quenching tank 1. A stirring shaft 22 is fixedly installed at the output end of the motor 21. A stirring blade (not shown in the figure) is provided on the stirring shaft 22. The stirring shaft 22 is adapted to rotate with the output end of the motor 21 so as to stir the quenching liquid in the quenching tank 1 evenly through the stirring blade.

[0043] In the quenching process, the two sets of baffles 11 in the quenching tank 1 serve to separate areas, dividing the quenching tank 1 into specific working zones, providing space for the stirring of the quenching liquid and the quenching of the workpiece. The two sets of stirring components 2 are used to achieve uniform stirring of the quenching liquid. When the stirring component 2 starts working, the output end of the motor 21 rotates, and the stirring shaft 22 rotates synchronously with the rotation of the output end of the motor 21.

[0044] The stirring blades installed on the stirring shaft 22 agitate the quenching liquid in the quenching tank 1 under the drive of the stirring shaft 22. By cutting and pushing the quenching liquid, the quenching liquid is made to flow and mix in the quenching tank 1, thereby stirring the quenching liquid with uneven local concentration and temperature evenly, ensuring that the workpiece can be evenly contacted with the quenching liquid during the quenching process, and improving the quenching quality.

[0045] In summary: When the forging quenching device is working, the motor 3 45 in the drive assembly 4 starts, drives the lead screw 43 to rotate, and causes the sliding frame 44 to move up and down along the guide rail 42, thereby driving the support plate 46, the first toothed rod, the second toothed rod, and the first collection basket 311 and the second collection basket 312 to perform vertical immersion or removal of the quenching tank 1.

[0046] When quenching and surface treatment of forgings are required, the collection basket is immersed in the quenching tank 1. At this time, the motor 36 of the quenching assembly 3 starts to work, and its output end drives the gear 37 in the fixed box 35 to rotate. Since the gear 37 meshes with the rack 38, it drives the rack 38 to move closer or further away. The first movable block 39 and the second movable block 310 move synchronously with the rack, so that the first collection basket 311 and the second collection basket 312 perform horizontal reciprocating motion, generating lateral friction and shearing force with the surface of the forging, and peeling off the slag inclusions on the surface of the forging. At the same time, the motor 21 of the stirring assembly 2 runs, driving the stirring shaft 22 and the stirring blade to rotate, stirring the quenching liquid in the quenching tank 1, so that the quenching liquid is uniform and the quenching quality of the forging is guaranteed.

[0047] Compared with traditional quenching devices, this utility model has significant advantages. In terms of transmission structure, gear 37 and rack 38 are used in combination with transmission components such as lead screw 43 and guide rail 42, all of which are located at the upper end of the quenching tank 1. This enhances the structural stability and impact resistance, and reduces the problems of decreased transmission accuracy and jamming caused by changes in meshing clearance and wear of components.

[0048] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A forging quenching device, comprising a quenching tank (1), a quenching assembly (3), and a driving assembly (4), characterized in that: The quenching assembly (3) includes two sets of connecting frames (34) set at the upper end of the quenching tank (1), and a fixed box (35) is installed between the two sets of connecting frames (34). Two sets of opposing gears (38) are movably passed through the side of the fixed box (35). A second motor (36) is installed on the fixed box (35). The output end of the second motor (36) extends into the fixed box (35), and a gear (37) that meshes with the two sets of gears (38) is installed at one end. The toothed bar (38) on the left is defined as toothed bar one, and the toothed bar (38) on the right is defined as toothed bar two. A first movable block (39) is fixedly sleeved on toothed bar one, and the first movable block (39) is movably sleeved on toothed bar two. A second movable block (310) is fixedly sleeved on toothed bar two, and the second movable block (310) is simultaneously movably sleeved on toothed bar one. A first collection basket (311) is detachably mounted on the first movable block (39), and a second collection basket (312) is detachably mounted on the second movable block (310).

2. A device for quenching a forged piece according to claim 1, characterized in that: The first movable block (39) and the second movable block (310) are threaded with lifting rings (313) on all four sides. The first collection basket (311) and the second collection basket (312) are respectively provided with lifting rings (316) near the four sides. The lifting rings (313) and the lifting rings (316) are connected by a connecting part composed of a chain (315) and a hook (314). One end of the chain (315) is fixedly connected to the lifting ring (313), and the other end is detachably connected to the lifting ring (316) through the hook (314).

3. A device for quenching a forged piece according to claim 2, characterized in that: The quenching tank (1) is equipped with support parts on both sides. The support parts include guide boxes (31) installed on both sides of the quenching tank (1). The guide boxes (31) have a limiting groove on their side. A support frame (32) is slidably arranged inside the guide box (31). A slider (33) adapted to slide in the limiting groove is installed on the side of the support frame (32). Two sets of connecting frames (34) are respectively connected to two sets of support frames (32). The support parts are used to support and fix the position of the fixed box (35).

4. A device for quenching a forged piece according to claim 3, characterized in that: The drive assembly (4) includes brackets (41) installed on both sides of the quenching tank (1). The brackets (41) are concave. Two sets of guide rails (42) are installed on the side of the brackets (41). A lead screw (43) is installed in the bearing inside the brackets (41). The lead screw (43) is threaded with a sliding frame (44), which slides on two sets of guide rails (42) at the same time. A motor (45) is installed at one end of the bracket (41). The output end of the motor (45) passes through the bracket (41) and is connected to one end of the lead screw (43). Support plates (46) are installed on both sets of sliding frames (44). Both ends of the rack and pinion are movably connected to the two sets of support plates (46).

5. A forging quenching device according to claim 4, characterized in that: Both ends of the rack and the second rack are provided with limiting blocks. The limiting blocks are adapted to contact the opposite sides of the support plate (46) when the rack and the second rack move relative to each other or towards each other.

6. A forging quenching device according to claim 5, characterized in that: Two sets of baffles (11) with a certain distance from the bottom surface of the quenching tank (1) are installed inside the quenching tank (1). A stirring assembly (2) is fixedly installed on the side of the quenching tank (1). There are two sets of stirring assemblies (2). The stirring assembly (2) includes a motor (21) installed on the quenching tank (1). A stirring shaft (22) is installed at the output end of the motor (21). A stirring blade is provided on the stirring shaft (22).