Steel ball carrying mechanism of steel ball tempering furnace

Abstract

The utility model discloses a steel ball of a kind of steel ball tempering furnace's steel ball carrying mechanism, including base and chain conveyor installed on base, be provided with several carrying rollers on chain conveyor, and chain conveyor includes input end and conveying end, and the input end and conveying end of chain conveyor are respectively equipped with support frame on base, the top of support frame is horizontally provided with crossbeam, and several guide rods are provided between two crossbeams, and spacing adjustment mechanism is provided on support frame, and spacing adjustment mechanism includes adjusting block, and the both ends of guide rod are respectively fixedly connected with corresponding adjusting block through connecting sleeve, and the synchronous drive mechanism that can synchronously drive the adjusting block in every support frame moves is provided between two support frames, and through the collaborative work of spacing adjustment mechanism and synchronous drive mechanism, guide rod spacing can be automatically adjusted, and the quick adaptation to different diameter steel ball is realized.

Description

Technical Field

[0001] This utility model relates to the technical field of steel ball production equipment, specifically to a steel ball transport mechanism for a steel ball tempering furnace. Background Technology

[0002] In the production and processing of steel balls, tempering is a key process for eliminating residual stress inside the steel balls and optimizing their mechanical properties. To improve tempering efficiency, tempering furnaces are usually equipped with steel ball transport mechanisms to achieve continuous conveying of steel balls during the heat treatment process.

[0003] Chinese utility model patent (authorization announcement number CN219824297U) provides a steel ball carrying mechanism for a steel ball tempering furnace, including a base plate. A limit device is installed on the top of the base plate, and a bracket is fixedly connected to the top of the base plate. A motor is fixedly connected to the surface of the bracket, and a rotating roller is fixedly connected to the output end of the motor. A conveyor belt is rotatably connected to the surface of the rotating roller, and an adjustment device is provided on the surface of the conveyor belt. The adjustment device includes an L-shaped block fixedly connected to the surface of the conveyor belt, a circular roller on the surface of the L-shaped block, and a gear rotatably connected to the surface of the L-shaped block. A rectangular plate is fixedly connected to the surface of the bracket, positioned in the middle of the conveyor belt, and a rack is fixedly connected to the surface of the rectangular plate. The rack meshes with the gear for transmission. This steel ball carrying mechanism solves the problem of uneven tempering caused by the steel balls' inability to rotate on the conveying assembly.

[0004] In the existing technology, steel ball carrying mechanisms mostly adopt a structure of chain conveyor combined with guide rods: the chain conveyor carries and transports steel balls through spaced-apart carrying rollers, while the guide rods are arranged above the carrying rollers along the conveying direction to limit the lateral displacement of the steel balls and prevent the steel balls from deviating or colliding.

[0005] However, the above-mentioned mechanisms and existing technologies have the following problems: the adjustment of the guide rod spacing depends on manual operation, the changeover efficiency is low when adapting to steel balls of different specifications, and it is difficult to ensure the uniformity of the spacing.

[0006] Therefore, there is an urgent need for a transport mechanism for steel ball tempering furnaces that can automatically adjust the spacing between guide rods. Utility Model Content

[0007] To address the aforementioned issues, a steel ball transport mechanism for a steel ball tempering furnace is provided. Through the coordinated operation of a spacing adjustment mechanism and a synchronous drive mechanism, the spacing between guide rods can be automatically adjusted, enabling rapid adaptation to steel balls of different diameters.

[0008] To address the problems of existing technologies, this utility model provides a steel ball carrying mechanism for a steel ball tempering furnace, including a base and a chain conveyor mounted on the base. The chain conveyor is equipped with several spaced-apart carrying rollers for transporting steel balls. The chain conveyor includes an input end and a conveying end. Support frames are respectively provided on the base at the input end and the conveying end of the chain conveyor. A crossbeam is horizontally arranged on the top of the support frame. Several guide rods for guiding the movement of steel balls are arranged between two crossbeams. A spacing adjustment mechanism is provided on the support frame. The spacing adjustment mechanism includes adjustment blocks corresponding to the guide rods one by one. The two ends of the guide rods are respectively fixedly connected to the corresponding adjustment blocks through connecting sleeves. The adjustment blocks can move along the axis of the crossbeam to adjust the spacing between adjacent guide rods. A synchronous drive mechanism is provided between the two support frames to synchronously drive the adjustment blocks in each support frame to move.

[0009] Preferably, the spacing adjustment mechanism further includes a fixed slide rail, a movable slide rail, a first slider, and a second slider;

[0010] The fixed slide rail is horizontally mounted on the support frame and is located directly below the crossbeam;

[0011] The number of first sliders is the same as the number of adjustment blocks, and they are set at the bottom of the adjustment blocks in a one-to-one correspondence. The bottom of the first slider is in sliding cooperation with the fixed slide rail.

[0012] The movable slide rail is horizontally positioned below the fixed slide rail. The movable slide rail can move along the vertical direction of the support frame. The bottom of the movable slide rail is connected to one end of the internal transmission of the synchronous drive mechanism.

[0013] The number of the second sliders is the same as the number of the first sliders and they correspond one-to-one. The top of the second slider slides in conjunction with the movable slide rail.

[0014] An X-link assembly is provided between adjacent adjusting blocks. The X-link assembly consists of two X-links hinged in the middle. The X-links have four connecting ends, which are rotatably connected to the side walls of the adjacent first slider and the adjacent second slider, respectively.

[0015] Preferably, a first spring is provided between adjacent adjusting blocks, the first spring is sleeved on the crossbeam, and the two ends of the first spring abut against the adjacent adjusting block and the connecting sleeve respectively;

[0016] The two ends of the crossbeam are also fitted with second springs. One end of the second spring abuts against the adjusting block and the connecting sleeve closest to the outermost side, and the other end of the second spring abuts against the inner wall of the support frame.

[0017] Preferably, the movable slide rail is provided with limit sliders at both ends, and the support frame is provided with first limit grooves on both sides for each limit slider to move up and down.

[0018] Preferably, the synchronous drive mechanism includes a servo motor, a rotary shaft, a rack and pinion, and gears;

[0019] The rotating shaft is horizontally positioned between the two support frames, and both ends of the rotating shaft are rotatable and extend through the side walls of the two support frames into the inside of the support frames.

[0020] The gears are provided in pairs and are respectively located at both ends of the rotating shaft;

[0021] The racks are provided in pairs and are respectively located on one side of the gear. The adjacent racks mesh with the gear, and one end of the rack is fixedly connected to the bottom of the movable slide rail through a connecting bracket.

[0022] The servo motor is mounted on the base, and the output shaft of the servo motor is connected to one end of the rotating shaft.

[0023] Preferably, a limit post is provided on one side of the rack, and a second limit groove is provided on the support frame for the limit post to move in the vertical direction of the support frame.

[0024] Preferably, the support frame is provided with a cover that can cover the crossbeam and the spacing adjustment mechanism.

[0025] The advantages of this utility model compared to the prior art are:

[0026] 1. This utility model can automatically adjust the spacing of the guide rods through the coordinated work of the spacing adjustment mechanism and the synchronous drive mechanism, so as to achieve rapid adaptation to steel balls of different diameters.

[0027] 2. This utility model uses the linkage between the first and second sliders and the X-link assembly, along with the elastic constraint of the spring, to ensure that the guide rod maintains spacing accuracy during the conveying process. Attached Figure Description

[0028] Figure 1 This is a three-dimensional structural diagram of a steel ball carrying mechanism for a steel ball tempering furnace according to this utility model.

[0029] Figure 2 This is a top view of a steel ball carrying mechanism for a steel ball tempering furnace according to this utility model.

[0030] Figure 3 yes Figure 2 Sectional view at point AA.

[0031] Figure 4 yes Figure 3 Enlarged view of section B in the middle.

[0032] Figure 5 This is a partial exploded view of the steel ball carrying mechanism of a steel ball tempering furnace according to this utility model.

[0033] Figure 6 yes Figure 5Enlarged view of point C.

[0034] Figure 7 yes Figure 5 Enlarged view of point D in the middle.

[0035] Figure 8 This is a partial perspective view of a steel ball carrying mechanism for a steel ball tempering furnace according to this utility model.

[0036] Figure 9 yes Figure 8 Enlarged view of point E in the middle.

[0037] The diagram is labeled as follows: 1. Base; 2. Chain conveyor; 21. Carrying roller; 22. Input end; 23. Conveying end; 3. Support frame; 31. Cover; 4. Crossbeam; 5. Guide rod; 51. Connecting sleeve; 6. Spacing adjustment mechanism; 61. Adjusting block; 62. Fixed slide rail; 63. Movable slide rail; 631. Limiting slider; 632. First limiting groove; 64. First slider; 65. Second slider; 66. X-link; 67. First spring; 68. Second spring; 7. Synchronous drive mechanism; 71. Servo motor; 72. Rotating shaft; 73. Rack; 731. Limiting post; 732. Second limiting groove; 74. Gear. Detailed Implementation

[0038] To further understand the features, technical means, and specific objectives and functions achieved by this utility model, the following detailed description of this utility model application is provided in conjunction with the accompanying drawings and specific embodiments.

[0039] Reference Figures 1 to 3 As shown: A steel ball carrying mechanism for a steel ball tempering furnace includes a base 1 and a chain conveyor 2 mounted on the base 1. The chain conveyor 2 is provided with several spaced-apart carrying rollers 21 for conveying steel balls. The chain conveyor 2 includes an input end 22 and a conveying end 23. Support frames 3 are respectively provided on the base 1 at the input end 22 and the conveying end 23 of the chain conveyor 2. A crossbeam 4 is horizontally arranged on the top of the support frame 3. Several guide rods 5 for guiding the movement of steel balls are arranged between two crossbeams 4. A spacing adjustment mechanism 6 is provided on the support frame 3. The spacing adjustment mechanism 6 includes adjustment blocks 61 corresponding to the guide rods 5 one by one. The two ends of the guide rods 5 are respectively fixedly connected to the corresponding adjustment blocks 61 through connecting sleeves 51. The adjustment blocks 61 can move along the axis of the crossbeam 4 to adjust the spacing between adjacent guide rods 5. A synchronous drive mechanism 7 is provided between the two support frames 3 to synchronously drive the adjustment blocks 61 in each support frame 3 to move.

[0040] The chain conveyor 2 and the carrying roller 21 are existing technologies and will not be described in this application. When it is necessary to adapt to steel balls of different diameters, the spacing of the guide rods 5 can be precisely adjusted by the spacing adjustment mechanism 6.

[0041] Each guide rod 5 corresponds to an adjusting block 61. The adjusting block 61 is fixedly connected to the connecting sleeve 51 of the guide rod 5, and the adjusting block 61 can slide along the axial direction of the crossbeam 4.

[0042] The movement of the adjusting block 61 directly drives the corresponding guide rod 5 to move laterally. By controlling the relative distance between adjacent adjusting blocks 61, the spacing between two adjacent guide rods 5 can be changed. For example, when the diameter of the steel ball increases, the adjusting block 61 drives the guide rod 5 to move outward synchronously to increase the spacing; when the diameter decreases, it moves inward to reduce the spacing, ensuring that the guide rod 5 is in contact with the surface of the steel ball, avoiding the steel ball from shifting due to excessive gap, or the steel ball being squeezed due to insufficient gap.

[0043] To prevent the guide rod 5 from tilting due to asynchronous adjustment at both ends, the synchronous drive mechanism 7 creates a linkage between the two support frames 3:

[0044] After the synchronous drive mechanism 7 is started, the power is synchronously transmitted to the spacing adjustment mechanism 6 at the input end 22 and the conveying end 23.

[0045] The synchronous drive mechanism 7 converts power into the displacement of the adjusting block 61, so that the adjusting blocks 61 corresponding to the input end 22 and the conveying end 23 move simultaneously, in the same direction, and at the same distance. For example, if a certain adjusting block 61 of the input end 22 moves 5mm to the right, the corresponding adjusting block 61 of the conveying end 23 also moves 5mm to the right synchronously, ensuring that the displacement of both ends of the guide rod 5 is consistent and always remains parallel to the conveying direction, avoiding bending of the guide rod 5 or jamming of the steel ball due to the position deviation of the two ends.

[0046] Reference Figure 2 , Figure 5 and Figure 8 As shown: The spacing adjustment mechanism 6 also includes a fixed slide rail 62, a movable slide rail 63, a first slider 64, and a second slider 65;

[0047] The fixed slide rail 62 is horizontally mounted on the support frame 3, and the fixed slide rail 62 is located directly below the crossbeam 4;

[0048] The number of first sliders 64 is the same as the number of adjusting blocks 61, and they are set at the bottom of adjusting blocks 61 in a one-to-one correspondence. The bottom of the first slider 64 slides in cooperation with the fixed slide rail 62.

[0049] The movable slide rail 63 is horizontally positioned below the fixed slide rail 62. The movable slide rail 63 can be moved along the vertical direction of the support frame 3. The bottom of the movable slide rail 63 is connected to one end of the internal transmission of the synchronous drive mechanism 7.

[0050] The number of second sliders 65 is the same as the number of first sliders 64 and they correspond one-to-one. The top of the second slider 65 slides in conjunction with the movable slide rail 63.

[0051] An X-link assembly is provided between adjacent adjusting blocks 61. The X-link assembly consists of two X-links 66 hinged in the middle. Each X-link 66 has four connecting ends, which are rotatably connected to the side wall of the adjacent first slider 64 and the side wall of the adjacent second slider 65, respectively.

[0052] When the movable slide rail 63 is driven to move by the synchronous drive mechanism 7, the output power drives the movable slide rail 63 to move vertically upward along the support frame 3;

[0053] The second slider 65 moves upward with the movable slide rail 63, and at the same time, due to the hinge constraint of the X-link 66, it begins to push and pull the first slider 64 laterally.

[0054] The hinge point in the middle of the X-link 66 moves upward with the movable slide rail 63, and the two X-links 66 "open up", pushing the adjacent first slider 64 to slide to both sides along the fixed slide rail 62;

[0055] The first slider 64 drives the adjusting block 61 to move laterally, and the guide rods 5 on the adjusting block 61 simultaneously unfold to both sides, increasing the distance between adjacent guide rods 5.

[0056] If the movable slide rail 63 moves down, the X-link assembly "contracts", pulling the first slider 64 closer to the center and reducing the spacing of the guide rods 5.

[0057] Based on this, the synchronous linkage of multiple guide rods 5 is achieved, solving the problems of low efficiency and easy skewness of traditional manual adjustment.

[0058] Reference Figure 7 As shown: A first spring 67 is provided between adjacent adjusting blocks 61. The first spring 67 is sleeved on the crossbeam 4, and both ends of the first spring 67 abut against the adjacent adjusting block 61 and the connecting sleeve 51 respectively.

[0059] The two ends of the crossbeam 4 are also fitted with second springs 68. One end of the second spring 68 abuts against the adjusting block 61 and the connecting sleeve 51 closest to the outermost side, and the other end of the second spring 68 abuts against the inner side wall of the support frame 3.

[0060] When the steel ball is conveyed on the transport roller 21, the rotation or collision impact of the guide rod 5 will cause the adjusting block 61 to have a lateral displacement tendency. Therefore, the squeezed adjusting block 61 compresses the first spring 67, and the elastic force of the first spring 67 acts in the opposite direction on the adjusting block 61 to counteract the displacement tendency caused by the impact of the steel ball. If the impact is transmitted to the outermost adjusting block 61, the adjusting block 61 compresses the second spring 68, and the elastic force of the second spring 68 also "pushes back" the adjusting block 61 in the opposite direction. The impact energy is absorbed by the elastic deformation of the spring, and the adjusting block 61 and the guide rod 5 return to their initial positions under the spring pressure, maintaining a stable spacing and preventing the steel ball from deviating from the conveying path due to the displacement of the guide rod 5.

[0061] Reference Figure 4 and Figure 7 As shown: Limiting sliders 631 are respectively provided at both ends of the movable slide rail 63, and first limiting grooves 632 are respectively provided on both sides of the support frame 3 for each limiting slider 631 to move up and down.

[0062] When the synchronous drive mechanism 7 drives the movable slide rail 63 to move vertically and adjust the distance between the guide rods 5, the limiting slider 631 will be embedded in the first limiting groove 632 and slide along the direction of the first limiting groove 632. By utilizing the vertical guiding property of the first limiting groove 632, the movable slide rail 63 is restricted to only make vertical linear movements, thus preventing the movable slide rail 63 from tilting.

[0063] Reference Figures 2 to 6 As shown: The synchronous drive mechanism 7 includes a servo motor 71, a rotating shaft 72, a rack 73, and a gear 74;

[0064] The rotating shaft 72 is horizontally positioned between the two support frames 3, and both ends of the rotating shaft 72 are rotatable and extend through the side walls of the two support frames 3 toward the inside of the support frames 3.

[0065] The gears 74 are provided in pairs and are respectively disposed at both ends of the rotating shaft 72;

[0066] A pair of racks 73 are provided and are respectively located on one side of the gear 74. Adjacent racks 73 mesh with gears 74, and one end of rack 73 is fixedly connected to the bottom of movable slide rail 63 through a connecting bracket.

[0067] The servo motor 71 is mounted on the base 1, and the output shaft of the servo motor 71 is connected to one end of the rotating shaft 72.

[0068] When the spacing of the guide rod 5 needs to be adjusted, the servo motor 71 starts and drives the rotating shaft 72 to rotate; the gears 74 at both ends of the rotating shaft 72 rotate with the rotating shaft 72, and the rack 73 meshing with the gear 74 moves linearly in the vertical direction; the rack 73 pushes the movable slide rail 63 to move up and down along the first limit slide groove 632 through the connecting frame;

[0069] Through the transmission of gear 74 and rack 73 and two pitch adjustment mechanisms 6, the problems of low efficiency and poor accuracy of traditional manual adjustment are solved, realizing the automated control of the spacing of guide rod 5 and improving the equipment's adaptability to steel balls of different specifications.

[0070] Reference Figure 9 As shown: A limit post 731 is provided on one side of the rack 73, and a second limit groove 732 is provided on the support frame 3 for the limit post 731 to move in the vertical direction of the support frame 3.

[0071] When gear 74 drives rack 73 to move vertically, limit post 731 is embedded in second limit groove 732 and slides synchronously with rack 73. Through the vertical guiding property of the groove, rack 73 is forced to move only in the vertical direction, avoiding lateral deviation or skew caused by gear 74 meshing clearance, steel ball impact vibration, etc.

[0072] Reference Figures 1 to 5 As shown: The support frame 3 is equipped with a cover 31 that can cover the crossbeam 4 and the spacing adjustment mechanism 6.

[0073] The cover 31 isolates the spacing adjustment mechanism 6 from the outside, preventing operators from accidentally touching moving parts during equipment operation and causing scratches, or preventing steel balls from accidentally bouncing in and blocking them, thus improving safety.

[0074] The above embodiments only illustrate one or more implementations of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.

Claims

1. A steel ball carrying mechanism for a steel ball tempering furnace, comprising a base (1) and a chain conveyor (2) mounted on the base (1), wherein the chain conveyor (2) is provided with a plurality of spaced-apart carrying rollers (21) for conveying steel balls, the chain conveyor (2) includes an input end (22) and a conveying end (23), and the base (1) is provided with support frames (3) at the input end (22) and the conveying end (23) of the chain conveyor (2), respectively, and a crossbeam (4) is provided on the top of the support frame (3), and a plurality of guide rods (5) for guiding the movement of steel balls are provided between the two crossbeams (4), characterized in that, A spacing adjustment mechanism (6) is provided on the support frame (3). The spacing adjustment mechanism (6) includes an adjustment block (61) corresponding to the guide rod (5). The two ends of the guide rod (5) are fixedly connected to the corresponding adjustment block (61) through the connecting sleeve (51). The adjustment block (61) can move along the axis of the crossbeam (4) to adjust the spacing between adjacent guide rods (5). A synchronous drive mechanism (7) is provided between the two support frames (3) to synchronously drive the adjustment block (61) in each support frame (3) to move.

2. The steel ball carrying mechanism for a steel ball tempering furnace according to claim 1, characterized in that, The spacing adjustment mechanism (6) also includes a fixed slide rail (62), a movable slide rail (63), a first slider (64), and a second slider (65); The fixed slide rail (62) is horizontally set on the support frame (3), and the fixed slide rail (62) is located directly below the crossbeam (4); The number of first sliders (64) is the same as the number of adjusting blocks (61) and they are set at the bottom of adjusting blocks (61) in a one-to-one correspondence. The bottom of the first sliders (64) slides in cooperation with the fixed slide rail (62). The movable slide rail (63) is horizontally positioned below the fixed slide rail (62). The movable slide rail (63) can be moved along the vertical direction of the support frame (3). The bottom of the movable slide rail (63) is connected to one end of the internal transmission of the synchronous drive mechanism (7). The number of the second sliders (65) is the same as the number of the first sliders (64) and they correspond one-to-one. The top of the second slider (65) slides in conjunction with the movable slide rail (63). An X-link assembly is provided between adjacent adjustment blocks (61). The X-link assembly consists of two X-links (66) that are hinged in the middle. The X-links (66) have four connecting ends, which are rotatably connected to the side wall of the adjacent first slider (64) and the side wall of the adjacent second slider (65), respectively.

3. The steel ball carrying mechanism for a steel ball tempering furnace according to claim 1, characterized in that, A first spring (67) is provided between adjacent adjusting blocks (61). The first spring (67) is sleeved on the crossbeam (4), and the two ends of the first spring (67) abut against the adjacent adjusting block (61) and the connecting sleeve (51) respectively. The two ends of the crossbeam (4) are also fitted with second springs (68). One end of the second spring (68) abuts against the adjusting block (61) and the connecting sleeve (51) closest to the outermost side, and the other end of the second spring (68) abuts against the inner wall of the support frame (3).

4. The steel ball carrying mechanism for a steel ball tempering furnace according to claim 2, characterized in that, The movable slide rail (63) is provided with limit sliders (631) at both ends, and the support frame (3) is provided with first limit grooves (632) on both sides for each limit slider (631) to move up and down.

5. The steel ball carrying mechanism for a steel ball tempering furnace according to claim 2, characterized in that, The synchronous drive mechanism (7) includes a servo motor (71), a rotating shaft (72), a rack (73), and a gear (74). The rotating shaft (72) is horizontally positioned between the two support frames (3). Both ends of the rotating shaft (72) are rotatable and extend through the side walls of the two support frames (3) toward the inside of the support frames (3). The gears (74) are provided in pairs and are respectively disposed at both ends of the rotating shaft (72); A pair of racks (73) are provided and are respectively located on one side of the gear (74). Adjacent racks (73) mesh with the gear (74). One end of the rack (73) is fixedly connected to the bottom of the movable slide rail (63) through a connecting bracket. The servo motor (71) is mounted on the base (1), and the output shaft of the servo motor (71) is connected to one end of the rotating shaft (72) via a transmission.

6. The steel ball carrying mechanism for a steel ball tempering furnace according to claim 5, characterized in that, A limit post (731) is provided on one side of the rack (73), and a second limit groove (732) is provided on the support frame (3) for the limit post (731) to move vertically along the support frame (3).

7. The steel ball carrying mechanism for a steel ball tempering furnace according to claim 1, characterized in that, The support frame (3) is provided with a cover (31) that can cover the crossbeam (4) and the spacing adjustment mechanism (6).

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