High-precision laser heat treatment device for chuck body

Abstract

The chuck body high-precision laser heat treatment device comprises a heat treatment box body, a linear rail and two lasers, an opening in the top end of the heat treatment box body and the linear rail are installed in a sealed mode, a pneumatic sliding block is installed at a rail groove in the bottom end of the linear rail, and a connecting rod fixing base is arranged at the bottom end of the pneumatic sliding block. A clamping jaw connecting rod is arranged at the bottom end of the connecting rod fixing base, a cross-shaped clamping jaw is arranged at the bottom end of the clamping jaw connecting rod, movable clamping blocks are installed at the four ends of the cross-shaped clamping jaw correspondingly, an air inlet valve is installed on the side wall of the clamping jaw connecting rod, and air channels are arranged in the clamping jaw connecting rod and the cross-shaped clamping jaw correspondingly. The air inlet valve is communicated with the four movable clamping blocks through air paths; according to the chuck body blackening device, coating soaking can be conducted in the feeding process, the blackening process of the chuck body is achieved, the problem that in the prior art, the coating is damaged when the chuck body is clamped can be solved, spraying is not needed in advance, and the laser heat treatment efficiency is greatly improved.

Description

Technical Field

[0001] This utility model belongs to the field of laser heat treatment technology and relates to a high-precision laser heat treatment device for chuck bodies. Background Technology

[0002] A chuck is a mechanical device used on machine tools to clamp workpieces. It is a machine tool accessory that uses the radial movement of movable jaws evenly distributed on the chuck body to clamp and position the workpiece. The chuck body is a crucial component of the chuck. To ensure high precision and accuracy, heat treatment is often required (heat treatment is a metal heat processing technology that uses heating, holding, and cooling to obtain the desired microstructure and properties). Laser heat treatment is commonly used. Existing technology, such as patent publication number CN209747455U, provides a laser heat treatment device, including: three lasers, each with its own laser controller; and a system control unit that performs overall timing control of the three laser pulses and synchronous timing control with the motion table. The system control unit is in the form of a pulse generator. This laser heat treatment or annealing device or system achieves multi-beam superposition and controllable timing, enabling adjustment of multiple parameters such as wavelength, energy, pulse action time, and pulse action sequence. It can handle both deep and shallow heat treatment or annealing processes within the same device, significantly improving processing efficiency and reducing processing costs while ensuring excellent heat treatment or annealing performance.

[0003] However, existing technical solutions and devices for chuck body processing do not include a pre-treatment step, i.e., a light-absorbing coating (blackening process) is pre-applied to the surface of the chuck body. This requires pre-spraying, which not only consumes time, manpower and resources, but also causes damage to the light-absorbing coating at the clamping part when the fixture holds the outer surface of the chuck, resulting in poor laser heat treatment effect. Therefore, we have designed a high-precision laser heat treatment device for chuck body. Summary of the Invention

[0004] The purpose of this invention is to provide a high-precision laser heat treatment device for chuck bodies to solve the problems mentioned in the background art.

[0005] The purpose of this utility model can be achieved through the following technical solution: a high-precision laser heat treatment device for chuck body, including a heat treatment chamber, a linear track and two lasers. The heat treatment chamber has hinged door panels installed at the front and back openings. Rock wool insulation boards are installed on the inner sides of the two door panels. The two lasers are respectively installed at the center of the rock wool insulation boards and correspond to the heat treatment cavity of the heat treatment chamber.

[0006] The top opening of the heat treatment chamber is sealed to the linear track. A pneumatic sliding block is installed at the bottom groove of the linear track. A connecting rod fixing seat is provided at the bottom of the pneumatic sliding block. A gripper connecting rod is provided at the bottom of the connecting rod fixing seat. A cross gripper is provided at the bottom of the gripper connecting rod. Movable grippers are installed at the four ends of the cross gripper. An air inlet valve is installed on the side wall of the gripper connecting rod. Air passages are provided inside the gripper connecting rod and inside the cross gripper. The air inlet valve is connected to the four movable grippers through the air passages.

[0007] A feeding notch is provided on the top of one side of the heat treatment chamber, a pneumatic lifting seat is installed on the bottom of one side of the heat treatment chamber, and a coating immersion box is installed on the top of the pneumatic lifting seat.

[0008] In the aforementioned high-precision laser heat treatment device for the chuck body, toggle switches are installed on one side of the front and one side of the back of the heat treatment chamber. Power control wiring is provided on the sides of both lasers, and these wirings pass through the wiring holes in the heat treatment chamber and are connected to the toggle switches. This arrangement aims to facilitate better control of the laser connection and disconnection circuits via the toggle switches, simplifying operation. Furthermore, corresponding numerical labels are placed next to the toggle switches during operation, allowing for a clear understanding of the laser control level.

[0009] In the aforementioned high-precision laser heat treatment device for a chuck, a transverse pulling rod is installed at one end of the pneumatic sliding block, and a notch sealing plate is installed at the other end of the transverse pulling rod, with the notch sealing plate corresponding to the feeding notch. The length of the transverse pulling rod is not less than the shortest horizontal distance between the laser and the feeding notch and not greater than the longest horizontal distance between the laser and the feeding notch. This arrangement aims to block the feeding notch during laser heat treatment by using the notch sealing plate to reduce heat loss and prevent uneven heat treatment caused by excessive heat dissipation inside the heat treatment chamber. Furthermore, the transverse pulling rod is connected to the pneumatic sliding block to achieve a linkage effect, ensuring that the notch sealing plate blocks the feeding notch simultaneously with feeding.

[0010] In the aforementioned high-precision laser heat treatment device for the chuck body, multiple heat dissipation holes are provided on one side of the top of the heat treatment chamber. A cover plate is movably installed along the edge of one side of the top of the heat treatment chamber, covering the multiple heat dissipation holes. This arrangement aims to ensure rapid heat dissipation from the inside of the heat treatment chamber during heat treatment contact, thereby achieving cooling and maximizing the cooling effect. It also ensures that no heat overflow occurs during the heat treatment process.

[0011] In the aforementioned high-precision laser heat treatment device for the chuck body, a guide plate is provided on the top side of the coating immersion box, corresponding to the bottom of the loading notch. This arrangement aims to allow the dripping coating liquid from the chuck body during movement to slide down the guide plate into the interior of the coating immersion box, preventing the coating from dripping inside the heat treatment chamber. It also ensures the notch sealing plate provides a certain degree of stability in blocking the loading notch.

[0012] Compared with the prior art, the advantages of this utility model of high-precision laser heat treatment device for chuck body are as follows: A linear track with pneumatic sliding blocks is installed at the top opening of the heat treatment chamber. The pneumatic sliding blocks are connected to the clamping jaws via a connecting rod fixing seat. A cross-shaped clamping jaw is set at the bottom of the clamping jaws, and movable clamping blocks are installed at the four ends of the cross-shaped clamping jaws. The clamping operation of the inner ring of the chuck body is achieved by the movable clamping blocks at the four ends of the cross-shaped clamping jaws. A pneumatic lifting seat is installed at the bottom of one side of the heat treatment chamber, and a coating soaking box corresponding to the feeding notch is installed at the top of the pneumatic lifting seat. During the feeding process, the coating can be soaked to achieve the blackening process of the chuck body. This can avoid the problem of coating damage caused by clamping the chuck body in the prior art, and there is no need for pre-painting, which greatly improves the efficiency of laser heat treatment.

[0013] A horizontal pulling rod is installed at one end of the pneumatic sliding block, and a notch sealing plate corresponding to the feeding notch is installed at the other end of the horizontal pulling rod. The length of the horizontal pulling rod is set to be no less than the shortest horizontal distance between the laser and the feeding notch and no greater than the longest horizontal distance between the laser and the feeding notch. By using the notch sealing plate to block the feeding notch, the feeding notch is blocked during the laser heat treatment operation, reducing heat loss and preventing uneven heat treatment caused by excessive heat loss inside the heat treatment chamber. The horizontal pulling rod is connected to the pneumatic sliding block to achieve a linkage effect, so that the notch sealing plate blocks the feeding notch while feeding. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the high-precision laser heat treatment device for the chuck body of this utility model.

[0015] Figure 2 This is a three-dimensional structural diagram of the pneumatic sliding block of the high-precision laser heat treatment device for the chuck body of this utility model.

[0016] Figure 3 This is a schematic diagram of the structure of the high-precision laser heat treatment device for the chuck body of this utility model, showing the connection between the door panel and the laser.

[0017] Figure 4 This is a three-dimensional structural diagram of the coating immersion box of the high-precision laser heat treatment device for the chuck body of this utility model.

[0018] In the diagram, 1. Heat treatment chamber; 2. Opening and closing chamber door; 3. Linear track; 4. Feeding notch; 5. Pneumatic lifting seat; 6. Coating soaking box; 7. Gripper connecting rod; 8. Toggle switch; 9. Through-hole cover plate; 10. Heat dissipation through-hole; 11. Pneumatic sliding block; 12. Connecting rod fixing seat; 13. Cross gripper; 14. Movable clamping block; 15. Air inlet valve; 16. Lateral pull rod; 17. Notch sealing plate; 18. Laser; 19. Rock wool insulation board; 20. Power control wiring; 21. Front guide plate. Detailed Implementation

[0019] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0020] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, this utility model relates to a high-precision laser heat treatment device for chuck disc bodies.

[0021] The main body of the laser heat treatment device includes a heat treatment chamber 1 and two lasers 18. The openings on the front and back of the heat treatment chamber 1 are hinged to openable and closed chamber doors 2. Rock wool insulation boards 19 are installed on the inner side of the two opening and closed chamber doors 2. The two lasers 18 are respectively installed at the center of the rock wool insulation boards 19 and correspond to the heat treatment cavity of the heat treatment chamber 1.

[0022] Furthermore, it also includes toggle switches 8 installed on one side of the front and one side of the back of the heat treatment chamber 1, and power control wiring 20 provided on the side of the two lasers 18. The two power control wiring 20 pass through the wiring holes of the heat treatment chamber 1 and are connected to the toggle switches 8 accordingly.

[0023] Furthermore, in order to achieve good heat exchange and reduce the heat inside the heat treatment chamber 1, a plurality of heat dissipation holes 10 are provided on one side of the top of the heat treatment chamber 1, and a hole cover plate 9 is movably provided at the edge of one side of the top of the heat treatment chamber 1, covering the plurality of heat dissipation holes 10.

[0024] Example 1: The top opening of the heat treatment chamber 1 is sealed to the linear track 3. A pneumatic sliding block 11 is installed at the bottom rail groove of the linear track 3. A connecting rod fixing seat 12 is provided at the bottom of the pneumatic sliding block 11. A gripper connecting rod 7 is provided at the bottom of the connecting rod fixing seat 12. A cross gripper 13 is provided at the bottom of the gripper connecting rod 7. Movable clamping blocks 14 are installed at the four ends of the cross gripper 13. An air inlet valve 15 is installed on the side wall of the gripper connecting rod 7. Air passages are provided inside the gripper connecting rod 7 and the cross gripper 13. The air inlet valve 15 is connected to the four movable clamping blocks 14 through the air passages. A feeding notch 4 is opened at the top of one side of the heat treatment chamber 1. A pneumatic lifting seat 5 is installed at the bottom of one side of the heat treatment chamber 1. A coating soaking box 6 is installed at the top of the pneumatic lifting seat 5. A front guide plate 21 is provided on the top side of the coating soaking box 6. The front guide plate 21 corresponds to the bottom of the feeding notch 4.

[0025] The above-described embodiment 1 is used as follows: The inner ring of the chuck body corresponds to the four movable clamping blocks 14 of the cross-shaped gripper 13. The air inlet valve 15 is connected to the air source, causing the movable clamping blocks 14 to move radially and clamp the chuck body. The air inlet valve 15 is then closed, allowing the air source to be removed. The pneumatic sliding block 11 slides along the groove of the linear track 3, moving the chuck body directly above the coating soaking box 6. The pneumatic lifting seat 5 uses air pressure to lift the chuck body, causing the coating soaking box 6 to rise and soak the chuck body, thus achieving the blackening process of the chuck body. In this process, additional equipment is required. By placing a position sensor of the corresponding technology at the coating soaking box 6, it can be ensured that the coating soaking box 6 is aligned with the chuck body. After soaking, the pneumatic lifting seat 5 descends. At this time, the pneumatic sliding block 11 continues to slide along the linear track 3 to the heat treatment chamber of the heat treatment box 1. After the two lasers 18 are powered on, they generate laser beams and form laser spots with a width in the range of 10-400 mm to perform laser heat treatment on the chuck body. When the pneumatic sliding block 11 moves to the end of the linear track 3, reverse ventilation is used to make the pneumatic sliding block 11 slide out of the heat treatment box 1 along the linear track 3.

[0026] The pneumatic sliding block 11 is connected to the air source and is electrically controlled by a PLC.

[0027] Example 2: A transverse pulling rod 16 is installed at one end of the pneumatic sliding block 11, and a notch sealing plate 17 is installed at one end of the transverse pulling rod 16. The notch sealing plate 17 corresponds to the feeding notch 4. The length of the transverse pulling rod 16 is not less than the shortest horizontal distance between the laser 18 and the feeding notch 4 and not greater than the longest horizontal distance between the laser 18 and the feeding notch 4.

[0028] The above design ensures that the feeding gap 4 is blocked during the laser heat treatment process, reducing heat loss and preventing uneven heat treatment caused by excessive heat loss inside the heat treatment chamber 1. Furthermore, the horizontal pull rod 16 is connected to the pneumatic sliding block 11 to achieve a linkage effect, so that the gap sealing plate 17 blocks the feeding gap 4 while feeding.

[0029] Contents not described in detail herein are existing technologies known to those skilled in the art. The specific embodiments described herein are merely illustrative examples illustrating the spirit of this invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this invention or exceeding the scope defined by the appended claims.

Claims

1. A high-precision laser heat treatment device for a chuck body, comprising a heat treatment chamber (1), a linear track (3), and two lasers (18), wherein hinged door panels (2) are installed at the opening on the front and back of the heat treatment chamber (1), and rock wool insulation panels (19) are installed on the inner sides of the two door panels (2), and the two lasers (18) are respectively installed at the center of the rock wool insulation panels (19) and corresponding to the heat treatment cavity of the heat treatment chamber (1), characterized in that... ； The top opening of the heat treatment chamber (1) is sealed to the linear track (3). A pneumatic sliding block (11) is installed at the bottom rail groove of the linear track (3). A connecting rod fixing seat (12) is provided at the bottom of the pneumatic sliding block (11). A gripper connecting rod (7) is provided at the bottom of the connecting rod fixing seat (12). A cross gripper (13) is provided at the bottom of the gripper connecting rod (7). Movable clamping blocks (14) are installed at the four ends of the cross gripper (13). An air inlet valve (15) is installed on the side wall of the gripper connecting rod (7). Air passages are provided inside the gripper connecting rod (7) and inside the cross gripper (13). The air inlet valve (15) is connected to the four movable clamping blocks (14) through the air passage. A feeding notch (4) is provided on the top of one side of the heat treatment chamber (1), a pneumatic lifting seat (5) is installed on the bottom of one side of the heat treatment chamber (1), and a coating soaking box (6) is installed on the top of the pneumatic lifting seat (5).

2. The high-precision laser heat treatment device for chuck body according to claim 1, characterized in that, A toggle switch (8) is installed on one side of the front and one side of the back of the heat treatment chamber (1). Power control wiring (20) is provided on the side of each of the two lasers (18). The two power control wiring (20) pass through the wiring holes of the heat treatment chamber (1) and are connected to the toggle switch (8) accordingly.

3. The high-precision laser heat treatment device for chuck body according to claim 1, characterized in that, One end of the pneumatic sliding block (11) is equipped with a transverse pulling rod (16), and one end of the transverse pulling rod (16) is equipped with a notch sealing plate (17), which corresponds to the feeding notch (4).

4. The high-precision laser heat treatment device for chuck body according to claim 3, characterized in that, The length of the lateral pull rod (16) is not less than the shortest horizontal distance between the laser (18) and the feeding gap (4) and not greater than the longest horizontal distance between the laser (18) and the feeding gap (4).

5. The high-precision laser heat treatment device for chuck body according to claim 1, characterized in that, The heat treatment chamber (1) has multiple heat dissipation holes (10) on one side of its top end. A hole cover plate (9) is movably provided at the edge of one side of the top end of the heat treatment chamber (1), and the hole cover plate (9) covers the multiple heat dissipation holes (10).

6. The high-precision laser heat treatment device for chuck body according to claim 1, characterized in that, A front guide plate (21) is provided on the top side of the coating soaking box (6), and the front guide plate (21) corresponds to the bottom of the feeding notch (4).

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