Quenching and tempering heat treatment device based on screw tap

Abstract

The quenching and tempering heat treatment device comprises a bottom plate, a quenching bin, a cooling bin, a cleaning bin and a tempering bin are installed at the top of the bottom plate, the top of the bottom plate enables a supporting plate to slide through a lifting assembly, and a clamping mechanism is arranged on the surface of the supporting plate and used for achieving clamping operation of the screw tap. The utility model relates to the technical field of screw tap heat treatment. According to the quenching and tempering heat treatment device based on the screw tap, through cooperative work of the clamping mechanism, the moving assembly and the lifting assembly, automatic transfer of the screw tap among the working procedures of quenching, cooling, cleaning and tempering is achieved, manual intervention is not needed, the production efficiency is greatly improved, meanwhile, screw tap damage caused by manual operation is avoided, and the service life of the screw tap is prolonged. And by utilizing the unique design of a transmission assembly in the clamping mechanism and through the matching of a driving block, a folding rod and a transmission plate, the screw tap can be stably and reliably clamped and loosened, and the stability of the screw tap in the treatment process is ensured.

Description

Technical Field

[0001] This utility model relates to the field of tap heat treatment technology, specifically a quenching and tempering heat treatment device based on taps. Background Technology

[0002] The reference patent title is: A heat treatment device for a large aspect ratio surgical instrument tap (authorization announcement number: CN214032623U, authorization announcement date: 2021.08.24). It includes a support frame, through which the tap is placed vertically inside the furnace cavity. This heat treatment device, with the tap vertically placed through the support frame, can avoid the squeezing and collision that are easy to occur in the original stacking method. Moreover, it can make each tap better heated, effectively reduce deformation, shorten processing time, and improve yield and production efficiency.

[0003] Based on the above-mentioned documents: taps are widely used in the field of machining, and their heat treatment quality directly affects the machining accuracy and service life. In the traditional tap quenching and tempering heat treatment process, there are many problems. For example, the clamping and transfer of taps mostly rely on manual operation, which is inefficient and easily causes damage to the taps; the quenching, cooling, cleaning and tempering processes are independent of each other and lack an effective linkage mechanism, resulting in a cumbersome overall process and high energy consumption; at the same time, in the cleaning process, the cleaning effect on residual water stains and impurities on the tap surface is not good, which affects the subsequent tempering quality. Therefore, this utility model provides a tap-based quenching and tempering heat treatment device. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a quenching and tempering heat treatment device based on taps. This device solves the problems of low automation of the clamping structure and poor clamping stability in existing tap heat treatment devices, which leads to low tap transfer efficiency and easy damage. Furthermore, the lack of linkage between various processing steps and poor cleaning effect make it difficult to ensure heat treatment quality and production efficiency.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a tap-based quenching and tempering heat treatment device, comprising a base plate, a quenching chamber, a cooling chamber, a cleaning chamber, and a tempering chamber mounted on the top of the base plate, a support plate sliding via a lifting assembly on the top of the base plate, and a clamping mechanism on the surface of the support plate for clamping the tap, the clamping mechanism comprising:

[0006] The clamping assembly includes a sliding plate slidably mounted on the inner surface of a support plate. A device box is fixedly connected to the bottom of the sliding plate, and a drive cylinder is fixedly connected to the top of the sliding plate. A drive block is fixedly connected to the bottom of the drive cylinder via a piston rod. The drive block is disposed in the inner cavity of the device box, and symmetrical drive grooves are formed on the surface of the drive block. The inner surface of the drive grooves allows the clamping block to slide via a transmission assembly.

[0007] A movable component, located on the surface of the support plate, is used to drive the sliding plate to slide.

[0008] Preferably, the transmission assembly includes a folded rod rotatably mounted on the inner wall of the equipment box and a transmission plate slidably mounted on the bottom of the equipment box. The bottom end of the transmission plate is fixedly connected to the surface of the clamping block, and a transmission groove is formed on the surface of the transmission plate. One end of the folded rod is fixedly connected to a transmission block, and the surface of the transmission block is slidably connected to the inner surface of the transmission groove. The other end of the folded rod is fixedly connected to a sliding block, and the surface of the sliding block is slidably connected to the inner surface of the drive groove.

[0009] Preferably, the moving assembly includes a moving motor mounted on one side of the support plate. One end of the output shaft of the moving motor is fixedly connected to a moving lead screw via a coupling. The surface of the moving lead screw is rotatably connected to the interior of the support plate, and the surface of the moving lead screw is threadedly connected to the interior of the sliding plate.

[0010] Preferably, the lifting assembly includes connecting seats installed on both sides of the top of the base plate, a hydraulic cylinder is installed at the bottom of the connecting seat, the top of the hydraulic cylinder is fixedly connected to the bottom of the support plate through a hydraulic rod, a positioning rod is slidably connected inside the connecting seat, and the top of the positioning rod is fixedly connected to the bottom of the support plate.

[0011] Preferably, the inner walls of the quenching chamber and the tempering chamber are provided with multiple sets of infrared radiation tubes, and the surface of the cleaning chamber is equipped with multiple sets of high-pressure jet pipes. One end of each high-pressure jet pipe is fixedly connected to a high-pressure air compressor through an annular pipe.

[0012] Preferably, a filter plate is installed inside the cooling chamber, and a water inlet pipe and a water outlet pipe are installed on the rear side of the cooling chamber.

[0013] Beneficial effects

[0014] This invention provides a tap-based quenching and tempering heat treatment device. Compared with the prior art, it has the following advantages:

[0015] 1. This tap-based quenching and tempering heat treatment device achieves automated transfer of the tap between quenching, cooling, cleaning, and tempering processes through the coordinated work of the clamping mechanism, moving components, and lifting components. It requires no manual intervention, greatly improving production efficiency and avoiding tap damage caused by manual operation. Furthermore, by utilizing the unique transmission component design in the clamping mechanism, the clamping and releasing of the tap can be stably and reliably achieved through the cooperation of the drive block, folding rod, and transmission plate, ensuring the stability of the tap during the processing.

[0016] 2. This tap-based quenching and tempering heat treatment device uses infrared radiation tubes for heating in both the quenching and tempering chambers. This provides advantages such as rapid heating, good temperature uniformity, and precise control, meeting the temperature requirements of different heat treatment stages for the tap and improving its mechanical properties. The high-pressure jet cleaning method in the cleaning chamber effectively removes water stains and impurities from the tap surface, providing a good foundation for subsequent tempering and ensuring tempering quality. The filter plate design in the cooling chamber prevents impurities in the cooling water from adhering to the tap surface, ensuring cooling effect and tap surface cleanliness. Furthermore, the inlet and outlet pipes facilitate the circulation and replacement of cooling water. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of the external structure of this utility model;

[0018] Figure 2 This is a three-dimensional schematic diagram of the clamping assembly of this utility model;

[0019] Figure 3 This is a three-dimensional structural diagram of the cooling chamber of this utility model;

[0020] Figure 4 This is a three-dimensional schematic diagram of the mobile component of this utility model.

[0021] In the diagram: 1-Base plate, 2-Quenching chamber, 3-Cooling chamber, 4-Cleaning chamber, 5-Tempering chamber, 6-Lifting assembly, 61-Connecting seat, 62-Hydraulic cylinder, 63-Positioning rod, 7-Support plate, 8-Clamping mechanism, 81-Clamping assembly, 811-Sliding plate, 812-Equipment box, 813-Drive cylinder, 814-Drive block, 815-Drive groove, 816-Clamping block, 82-Moving assembly, 821-Moving motor, 822-Moving lead screw, 9-Transmission assembly, 91-Folded rod, 92-Transmission plate, 93-Transmission groove, 94-Transmission block, 95-Sliding block, 10-High-pressure jet pipe, 11-High-pressure air compressor, 12-Filter plate, 13-Water inlet pipe, 14-Drain pipe. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 This utility model provides a technical solution:

[0024] A tap-based quenching and tempering heat treatment device includes a base plate 1. A quenching chamber 2, a cooling chamber 3, a cleaning chamber 4, and a tempering chamber 5 are mounted on the top of the base plate 1. A lifting assembly 6 allows a support plate 7 to slide on the top of the base plate 1. A clamping mechanism 8 is provided on the surface of the support plate 7 for clamping the tap. The clamping mechanism 8 includes:

[0025] The clamping assembly 81 includes a sliding plate 811 slidably mounted on the inner surface of the support plate 7. The bottom of the sliding plate 811 is fixedly connected to the device box 812, and the top of the sliding plate 811 is fixedly connected to the drive cylinder 813. The bottom of the drive cylinder 813 is fixedly connected to the drive block 814 through the piston rod. The drive block 814 is disposed in the inner cavity of the device box 812. The surface of the drive block 814 is provided with symmetrical drive grooves 815. The inner surface of the drive grooves 815 causes the clamping block 816 to slide through the transmission assembly 9.

[0026] The movable component 82 is disposed on the surface of the support plate 7 and is used to drive the sliding plate 811 to slide.

[0027] Temperature sensors are installed inside the quenching chamber 2, cooling chamber 3 and tempering chamber 5 to monitor the heating temperature and cooling water temperature in real time;

[0028] The drive cylinder 813 is connected to an external air source via an air pipe;

[0029] The piston rod slides inside the device box 812 and the sliding plate 811.

[0030] In this embodiment, the transmission assembly 9 includes a folded rod 91 rotatably mounted on the inner wall of the equipment box 812 and a transmission plate 92 slidably mounted on the bottom of the equipment box 812. The bottom end of the transmission plate 92 is fixedly connected to the surface of the clamping block 816. A transmission groove 93 is formed on the surface of the transmission plate 92. A transmission block 94 is fixedly connected to one end of the folded rod 91. The surface of the transmission block 94 is slidably connected to the inner surface of the transmission groove 93. A sliding block 95 is fixedly connected to the other end of the folded rod 91. The surface of the sliding block 95 is slidably connected to the inner surface of the drive groove 815.

[0031] The bottom of the device box 812 has a limiting groove, and the transmission plate 92 slides on the inner surface of the limiting groove. The limiting groove ensures that the transmission plate 92 can only slide in a straight line, left or right.

[0032] The transmission plate 92, clamping block 816 and other structural components are all made of high-strength, high-temperature-resistant and wear-resistant steel.

[0033] In this embodiment, the moving component 82 includes a moving motor 821 installed on one side of the support plate 7. One end of the output shaft of the moving motor 821 is fixedly connected to a moving lead screw 822 via a coupling. The surface of the moving lead screw 822 is rotatably connected to the interior of the support plate 7, and the surface of the moving lead screw 822 is threadedly connected to the interior of the sliding plate 811.

[0034] The mobile motor 821 is a three-phase asynchronous motor and is connected to an external circuit via wires.

[0035] Through the coordinated operation of the clamping mechanism 8, the moving component 82, and the lifting component 6, the automatic transfer of the tap between the quenching, cooling, cleaning, and tempering processes is realized without manual intervention, which greatly improves production efficiency and avoids tap damage caused by manual operation. Utilizing the unique transmission component 9 design in the clamping mechanism 8, the clamping and releasing of the tap can be stably and reliably achieved through the cooperation of the drive block 814, the folding rod 91, and the transmission plate 92, ensuring the stability of the tap during the processing.

[0036] In this embodiment, the lifting assembly 6 includes connecting seats 61 installed on both sides of the top of the base plate 1. A hydraulic cylinder 62 is installed at the bottom of the connecting seat 61. The top of the hydraulic cylinder 62 is fixedly connected to the bottom of the support plate 7 through a hydraulic rod. A positioning rod 63 is slidably connected inside the connecting seat 61. The top of the positioning rod 63 is fixedly connected to the bottom of the support plate 7.

[0037] The hydraulic cylinder 62 is connected to an external air source through an air pipe; the positioning rod 63 is used to position the support plate 7 as it slides up and down.

[0038] In this embodiment, the inner walls of the quenching chamber 2 and the tempering chamber 5 are provided with multiple sets of infrared radiation tubes, and the surface of the cleaning chamber 4 is equipped with multiple sets of high-pressure jet pipes 10. One end of the high-pressure jet pipe 10 is fixedly connected to a high-pressure air compressor 11 through an annular pipe.

[0039] The high-pressure jet pipe 10 has a ring-shaped design with multiple sets.

[0040] In this embodiment, a filter plate 12 is installed inside the cooling chamber 3, and a water inlet pipe 13 and a drain pipe 14 are installed on the rear side of the cooling chamber 3.

[0041] In this embodiment, the hydraulic cylinder 62, high-pressure air compressor 11, drive cylinder 813, and moving motor 821 are all electrically connected to an external control system and can be flexibly controlled by the control system.

[0042] The quenching chamber 2 and tempering chamber 5 are heated by infrared radiation tubes, which have the advantages of fast heating speed, good temperature uniformity and precise control. They can meet the temperature requirements of different heat treatment stages of the tap and improve the mechanical properties of the tap. The high-pressure jet cleaning method of the cleaning chamber 4 can effectively remove water stains and impurities from the surface of the tap, providing a good foundation for subsequent tempering and ensuring the quality of tempering. The filter plate 12 design of the cooling chamber 3 can prevent impurities in the cooling water from adhering to the surface of the tap, ensuring the cooling effect and the cleanliness of the tap surface. At the same time, the setting of the water inlet pipe and the water outlet pipe facilitates the circulation and replacement of cooling water.

[0043] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0044] When performing heat treatment on the tap, firstly, the tap is placed in the initial position of the clamping mechanism 8, and the drive cylinder 813 is started. The piston rod drives the drive block 814 to move upward. The drive groove 815 on the drive block 814 cooperates with the sliding block 95 in the transmission assembly 9, causing the folded rod 91 to rotate, which in turn drives the transmission block 94 to slide in the transmission groove 93, pushing the transmission plate 92 and the clamping block 816 to move inward, thereby achieving the clamping and fixing of the tap.

[0045] Subsequently, the moving motor 821 in the moving component 82 starts, and the moving screw 822 drives the sliding plate 811 to slide on the surface of the support plate 7, moving the clamping mechanism 8 holding the tap above the quenching chamber 2. The hydraulic cylinder 62 in the lifting component 6 works, and the hydraulic rod drives the support plate 7 to descend, so that the tap enters the quenching chamber 2. The infrared radiation tube on the inner wall of the quenching chamber 2 heats and quenches the tap, and the temperature can be precisely controlled according to the process requirements.

[0046] After quenching, the hydraulic cylinder 62 drives the support plate 7 to rise, moving the tap out of the quenching chamber 2. The moving component 82 moves the tap above the cooling chamber 3 and then lowers it again for cooling. The water in the cooling chamber 3 enters through the water inlet pipe 13, and after being cooled by the filter plate 12, it is discharged from the drain pipe 14.

[0047] After cooling, the tap is moved to the cleaning chamber 4. The high-pressure air compressor 11 sprays high-pressure air onto the tap through the high-pressure jet pipe 10 to remove residual water stains and impurities from the tap surface. Finally, the tap is moved to the tempering chamber 5, where the infrared radiation tube in the tempering chamber 5 tempers the tap, completing the entire heat treatment process.

[0048] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0049] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A tap-based quenching and tempering heat treatment apparatus, comprising a base plate (1), characterized in that: The top of the base plate (1) is equipped with a quenching chamber (2), a cooling chamber (3), a cleaning chamber (4), and a tempering chamber (5). The top of the base plate (1) is equipped with a lifting assembly (6) to allow the support plate (7) to slide. The surface of the support plate (7) is provided with a clamping mechanism (8) for clamping the tap. The clamping mechanism (8) includes: The clamping assembly (81) includes a sliding plate (811) slidably mounted on the inner surface of the support plate (7). The bottom of the sliding plate (811) is fixedly connected to the device box (812), and the top of the sliding plate (811) is fixedly connected to the drive cylinder (813). The bottom of the drive cylinder (813) is fixedly connected to the drive block (814) through the piston rod. The drive block (814) is disposed in the inner cavity of the device box (812). The surface of the drive block (814) is provided with symmetrical drive grooves (815). The inner surface of the drive grooves (815) is used to make the clamping block (816) slide through the transmission assembly (9). A movable component (82) is disposed on the surface of the support plate (7) for driving the sliding plate (811) to slide.

2. The tap-based quenching and tempering heat treatment apparatus according to claim 1, characterized in that: The transmission assembly (9) includes a folded rod (91) rotatably mounted on the inner wall of the equipment box (812) and a transmission plate (92) slidably mounted on the bottom of the equipment box (812). The bottom end of the transmission plate (92) is fixedly connected to the surface of the clamping block (816). A transmission groove (93) is opened on the surface of the transmission plate (92). A transmission block (94) is fixedly connected to one end of the folded rod (91). The surface of the transmission block (94) is slidably connected to the inner surface of the transmission groove (93). A sliding block (95) is fixedly connected to the other end of the folded rod (91). The surface of the sliding block (95) is slidably connected to the inner surface of the drive groove (815).

3. The tap-based quenching and tempering heat treatment apparatus according to claim 1, characterized in that: The moving assembly (82) includes a moving motor (821) installed on one side of the support plate (7). One end of the output shaft of the moving motor (821) is fixedly connected to a moving lead screw (822) via a coupling. The surface of the moving lead screw (822) is rotatably connected to the interior of the support plate (7), and the surface of the moving lead screw (822) is threadedly connected to the interior of the sliding plate (811).

4. The tap-based quenching and tempering heat treatment apparatus according to claim 1, characterized in that: The lifting assembly (6) includes connecting seats (61) installed on both sides of the top of the base plate (1). A hydraulic cylinder (62) is installed at the bottom of the connecting seat (61). The top of the hydraulic cylinder (62) is fixedly connected to the bottom of the support plate (7) through a hydraulic rod. A positioning rod (63) is slidably connected inside the connecting seat (61). The top of the positioning rod (63) is fixedly connected to the bottom of the support plate (7).

5. The tap-based quenching and tempering heat treatment apparatus according to claim 1, characterized in that: The inner walls of the quenching chamber (2) and the tempering chamber (5) are provided with multiple sets of infrared radiation tubes, and the surface of the cleaning chamber (4) is equipped with multiple sets of high-pressure jet pipes (10). One end of the high-pressure jet pipe (10) is fixedly connected to a high-pressure air compressor (11) through a ring pipe.

6. The tap-based quenching and tempering heat treatment apparatus according to claim 1, characterized in that: The cooling chamber (3) is equipped with a filter plate (12), and the cooling chamber (3) is equipped with a water inlet pipe (13) and a drain pipe (14) on the rear side.

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