Metal knitting needle quenching equipment and quenching process thereof

Abstract

The invention relates to metal knitting needle quenching equipment and a quenching process thereof, and relates to the technical field of quenching equipment, the metal knitting needle quenching equipment comprises a quenching box, a fire outlet pipe is arranged in the quenching box, the interior of the quenching box is movably connected with a clamping assembly used for clamping a knitting needle body, and the clamping assembly comprises a two-jaw chuck; a supporting piece used for supporting the clamping assembly is arranged in the quenching box, a feeding port is formed in one side of the quenching box, a discharging port is formed in the other side of the quenching box, a cooling pipe used for cooling the knitting needle body is arranged on the quenching box, the cooling pipe is located outside the quenching box, and a pipe opening of the cooling pipe is located above the discharging port. During feeding, the knitting needle body is placed at the position of the two-jaw chuck, the two-jaw chuck is controlled to clamp the knitting needle body, then the two-jaw chuck is controlled to move to the position of the fire outlet pipe, the fire outlet pipe is controlled to discharge fire, the fire outlet pipe is rotated, the two-jaw chuck is matched to rotate, then quenching is conducted on the knitting needle body at multiple angles, and the quenching efficiency of the knitting needle body is improved.

Description

Technical Field

[0001] The present application relates to the technical field of quenching equipment, and in particular to a metal knitting needle quenching equipment and a quenching process thereof. Background Art

[0002] Reference Figure 1 A knitting needle comprises a knitting needle body 100, wherein one end of the knitting needle body 100 in the length direction is set as a needle tip portion 101, and the other end of the knitting needle body 100 in the length direction is set as a picking portion 102; the middle section of the knitting needle body 100 is set as a clamping portion 103, and during production, a blank of the knitting needle body 100 is usually punched out; before leaving the factory, the needle tip portion 101 of the knitting needle body is usually polished to improve the sharpness of the needle tip portion 101, and after polishing, the knitting needle body 100 is usually surface quenched to thereby improve the hardness of the knitting needle body 100.

[0003] Related technology can refer to the Chinese patent with announcement number CN220767065U, which discloses a metal knitting needle quenching device, including a base, a quenching box is installed on one side of the base, a mobile frame is slidably arranged on the side of the base opposite to the quenching box, telescopic columns are installed on both sides of the top of the mobile frame, a quenching table is rotatably arranged between the tops of the telescopic columns, an adjustment mechanism is arranged between the quenching table and the mobile frame, the adjustment mechanism is used to adjust the angle of the quenching table, the quenching table is a concave structure, and a movable plate is slidably arranged inside the quenching table, a placement plate is slidably arranged at the bottom of the movable plate, and a plurality of through-hole grooves are evenly opened on the placement plate along the extension direction, the adjustment mechanism includes a hinge plate and a hinge seat, the hinge seat is installed between the tops of the telescopic columns, and the quenching table and the hinge seat are rotatably connected, one end of the hinge plate is hinged to the quenching table, and the other end is hinged to the mobile frame. The utility model facilitates the completion of the limiting fixation of the knitting needle body to be quenched and the unloading operation after quenching.

[0004] With regard to the above-mentioned related technologies, when the above-mentioned knitting needle body is quenched, generally speaking, the quenching should be carried out before cold processing. After quenching, the needle tip of the metal knitting needle body is cold processed to increase the hardness of the metal. When the above-mentioned equipment fixes the knitting needle body, the knitting needle body is placed in the through-hole groove. When the knitting needle body is surface quenched, usually only one side of the knitting needle body can be quenched. After the quenching of one side is completed, the knitting needle body needs to be turned over and the other side of the knitting needle body is quenched. The quenching efficiency is low. Summary of the invention

[0005] In order to improve the efficiency of quenching a knitting needle body, the present application provides a metal knitting needle quenching device and a quenching process thereof.

[0006] In the first aspect, the present application provides a metal knitting needle quenching device, which adopts the following technical solution: A metal knitting needle quenching device comprises a quenching box, in which a fire outlet pipe is arranged, a clamping assembly for clamping a knitting needle body is movably connected inside the quenching box, the clamping assembly comprises a two-jaw chuck, a support member for supporting the clamping assembly is arranged in the quenching box, an inlet is arranged on one side of the quenching box, and an outlet is arranged on the other side of the quenching box, a cooling pipe for cooling the knitting needle body is arranged on the quenching box, the cooling pipe is located outside the quenching box, and the pipe mouth of the cooling pipe is located above the outlet.

[0007] By adopting the above technical scheme, when feeding, the knitting needle body is placed on the two-jaw chuck, and then the two-jaw chuck is operated to clamp the knitting needle body, and then the two-jaw chuck is operated to move to the fire outlet pipe, and the fire is ignited by operating the fire outlet pipe, and then the fire outlet pipe is rotated to cooperate with the two-jaw chuck to rotate, and then the knitting needle body is quenched at multiple angles, thereby improving the efficiency of quenching the knitting needle body. After the quenching of the knitting needle body is completed, the two-jaw chuck is moved to the discharge port, and the cooling pipe is operated to spray colder air or coolant to complete the quenching of the surface of the knitting needle body.

[0008] Optionally, a cooling box is arranged on the quenching box, and the cooling box is connected with the quenching box. The cooling pipe extends inside the cooling box. A feeding port for feeding is opened at the lower end of the cooling box. An opening and closing plate for opening and closing the feeding port is slidably connected to the cooling box. The opening and closing plate is tilted when located in the cooling box, and the cooling box is connected with a drain pipe.

[0009] By adopting the above technical scheme, when cooling the knitting needle body, the cooling pipe is operated to spray air or coolant. If the coolant is sprayed, the opening and closing plate can be operated to slide to the inside of the cooling box, and then the coolant can be sprayed. After the sprayed coolant cools the knitting needle body, it is discharged from the drain pipe due to gravity. After cooling, the opening and closing plate is slid out of the cooling box, and then the pneumatic clamp can be operated to release the clamping of the knitting needle body. The knitting needle body is discharged from the discharge port due to gravity, which makes discharge convenient, thereby improving the overall efficiency of quenching the knitting needle body.

[0010] Optionally, a pneumatic clamp is slidably connected inside the cooling box, and the pneumatic clamp can extend into the interior of the quenching box.

[0011] By adopting the above technical solution, the knitting needle body is clamped by using a pneumatic clamp, and then the clamp can be operated to slide out to move the knitting needle body to the bottom of the cooling tube, thereby improving the convenience of clamping the knitting needle body, and the cooling tube is operated to spray cooler air or coolant to complete the quenching of the surface of the knitting needle body.

[0012] Optionally, the supporting member includes a fixed plate having a sliding groove thereon, the sliding groove being arranged in an arc shape, the clamping assembly includes a sliding block, the sliding block is located in the sliding groove and is slidably connected to the fixed plate, a motor 1 is rotating in the quenching box, a synchronous wheel 1 is outerly arranged on the output shaft of the motor 1, the two-jaw chuck is rotatably connected to one end of the sliding block, the other end of the sliding block is rotatably connected to the synchronous wheel 2, the outer sides of the synchronous wheel 1 and the synchronous wheel 2 are covered with a synchronous belt, a connecting rod is arranged on the end of the synchronous wheel 2 close to the two-jaw chuck, the connecting rod passes through the sliding block, and is fixedly connected to the axis center of the two-jaw chuck.

[0013] By adopting the above technical scheme, the output shaft of motor 1 can be manipulated to rotate to drive synchronous wheel 1 to rotate, and then drive synchronous wheel 2 to rotate, and then drive the two-jaw chuck to rotate. During quenching, the knitting needle body is also rotated by manipulating the rotation of the fire outlet tube, thereby improving the comprehensiveness of the quenching of the surface of the knitting needle body and the efficiency of quenching the knitting needle body.

[0014] Optionally, one side of the fixed disk is arc-shaped and is configured as an arc-shaped portion, a rack is arranged on one side of the arc-shaped portion, and a transmission gear meshing with the rack is rotatably connected to the sliding block.

[0015] By adopting the above technical solution, after the quenching of the knitting needle body is completed, the sliding block can be driven to rotate by operating the gear to rotate, thereby driving the two-jaw chuck and the knitting needle body to move, and the knitting needle body is moved to a position facing the discharge port, and then the pneumatic clamp can be operated to take the knitting needle body out of the discharge port, and the knitting needle body is cooled, thereby achieving a high efficiency in quenching the knitting needle body.

[0016] Optionally, a driving disk is rotatably connected in the quenching box, the driving disk is arranged in a circular shape, and a plurality of two-jaw chucks are arranged at equal intervals in the circumference of the driving disk.

[0017] By adopting the above technical scheme, before quenching, the knitting needle body is placed on one of the two-jaw chucks from the feed port and clamped, and then the driving disk can be operated to rotate, and then the knitting needle body is placed on the other two-jaw chuck and clamped, and when the knitting needle body is rotated to the bottom of the fire outlet pipe, the fire outlet pipe can be operated to spray fire, and then the knitting needle body located below the fire outlet pipe is quenched; after the quenching is completed, the driving disk is operated to rotate, and the quenched knitting needle body is placed at the discharge port, and then the pneumatic clamp can be operated to take the knitting needle body out of the discharge port, and the knitting needle body is cooled, and the quenching efficiency of the knitting needle body is high.

[0018] Optionally, a motor 2 is horizontally arranged in the quenching box, a synchronous wheel 3 is provided on the outer sleeve of the output shaft of the motor 2, a synchronous wheel 4 is rotatably connected in the quenching box, a synchronous belt is provided on the outer sleeves of the synchronous wheel 3 and the synchronous wheel 4, a bevel gear 1 is coaxially fixedly connected to the synchronous wheel 4, and gear teeth meshing with the bevel gear 1 are arranged circumferentially on the driving disk, and the bevel gear 1 is used to drive the driving disk to rotate.

[0019] By adopting the above technical solution, the output shaft of the second motor is operated to rotate, thereby driving the third and fourth synchronous wheels to rotate, and then driving the drive disk to rotate, which has a simple structure and is easy to drive.

[0020] In a second aspect, the present application provides a metal knitting needle quenching process, comprising the following steps: S1: vertically insert the polished knitting needle body into a storage box for loading materials; S2: Operate the conveyor belt to start, drive the storage box to move to the quenching box, clamp the knitting needle body through the manipulator, and move the knitting needle body into the quenching box; S3: After the two-jaw chuck clamps the knitting needle body, the knitting needle body is moved to the bottom of the fire outlet pipe for quenching; S4: After quenching, the knitting needle body is driven to move to the bottom of the cooling tube for cooling.

[0021] By adopting the above technical solution and the method to quench the knitting needle body, it is beneficial to improve the quenching efficiency of the knitting needle body, and the quality of the knitting needle body after quenching is higher.

[0022] In summary, the present application includes at least one of the following beneficial technical effects: 1. When feeding, place the knitting needle body at the two-claw chuck, then operate the two-claw chuck to clamp the knitting needle body, then operate the two-claw chuck to move to the fire outlet, operate the fire outlet to emit fire, then rotate the fire outlet, cooperate with the two-claw chuck to rotate, and then quench the knitting needle body at multiple angles, thereby improving the efficiency of quenching the knitting needle body. After the knitting needle body is quenched, move the two-claw chuck to the discharge port, operate the cooling pipe to spray cold air or coolant, and complete the quenching of the surface of the knitting needle body; 2. After the knitting needle body is quenched, the sliding block can be driven to rotate by operating the gear to rotate, thereby driving the two-jaw chuck and the knitting needle body to move, and the knitting needle body is moved to a position facing the discharge port, and then the pneumatic clamp can be operated to take the knitting needle body out of the discharge port, and the knitting needle body is cooled, and the quenching efficiency of the knitting needle body is high; 3. Before quenching, place the knitting needle body on one of the two-jaw chucks from the feed port and clamp it, then operate the drive disk to rotate, and then place the knitting needle body on the other two-jaw chuck and clamp it. When the knitting needle body rotates to the bottom of the fire outlet pipe, the fire outlet pipe can be operated to spray fire, and then the knitting needle body located below the fire outlet pipe is quenched; after the quenching is completed, operate the drive disk to rotate, place the quenched knitting needle body at the discharge port, and then operate the pneumatic clamp to take the knitting needle body out of the discharge port, cool the knitting needle body, and the quenching efficiency of the knitting needle body is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a diagram of a knitting needle.

[0024] Figure 2 It is a cross-sectional schematic diagram highlighting the internal structure of the quenching box in Example 1.

[0025] Figure 3 It is a cross-sectional schematic diagram highlighting the synchronous wheel.

[0026] Figure 4 It is a cross-sectional schematic diagram highlighting the cooling box.

[0027] Figure 5 It is a cross-sectional schematic diagram highlighting the driving disk of the second embodiment.

[0028] Figure 6 It is a cross-sectional schematic diagram highlighting motor 2.

[0029] Explanation of the reference numerals: 100, needle body; 101, needle tip; 102, picking up part; 103, clamping part; 1, quenching box; 11, fire outlet pipe; 2, feed inlet; 3, discharge port; 4, cooling box; 41, feed outlet; 42, drain pipe; 43, cooling box; 44, cooling pipe; 45, pneumatic clamp; 46, cylinder one; 47, opening and closing plate; 48, cylinder two; 5, fixed plate; 51, motor one; 52, synchronous wheel one; 53, synchronous wheel two; 54, two-jaw chuck; 55, arc-shaped part; 56, rack; 57, transmission gear; 6, driving plate; 61, gear teeth; 7, motor two; 71, synchronous wheel three; 72, synchronous wheel four; 73, bevel gear one; 8, sliding groove; 81, sliding block. DETAILED DESCRIPTION

[0030] The present application is further described in detail below in conjunction with all the accompanying drawings.

[0031] In a first aspect, an embodiment of the present application discloses a metal knitting needle quenching device.

[0032] Embodiment 1: Reference Figure 2 and Figure 3A metal knitting needle quenching device comprises a quenching box 1, a fire outlet pipe 11 is arranged in the quenching box 1, and a quenching box 1 is movably connected inside with a knitting needle body 100 (refer to Figure 1 ) clamping assembly, a support for supporting the clamping assembly is provided in the quenching box 1, a feed inlet 2 is provided on one side of the quenching box 1, a discharge port 3 is provided on the other side of the quenching box 1, and a cooling device 100 (refer to Figure 1 ) cooling pipe 44, the cooling pipe 44 is located outside the quenching box 1, the pipe opening of the cooling pipe 44 is located above the discharge port 3, when feeding, the knitting needle body 100 is placed on the two-claw chuck 54, and then the two-claw chuck 54 is operated to align the knitting needle body 100 (refer to Figure 1 ) is clamped, and then the two-claw chuck 54 is operated to move to the fire outlet pipe 11, and the fire outlet pipe 11 is operated to emit fire, and then the fire outlet pipe 11 is rotated to cooperate with the two-claw chuck 54 to rotate, thereby the knitting needle body 100 (refer to Figure 1 ) is quenched at multiple angles to improve the knitting needle body 100 (refer to Figure 1 ) quenching efficiency, the knitting needle body 100 (refer to Figure 1 ) After quenching, the two-jaw chuck 54 is moved to the discharge port 3, and the cooling pipe 44 is operated to spray cooler air or coolant to complete the knitting needle body 100 (refer to Figure 1 ) surface quenching.

[0033] The support member includes a fixed plate 5, on which a sliding groove 8 is provided, and the sliding groove 8 is arranged in an arc shape. The clamping assembly includes a sliding block 81, which is located in the sliding groove 8 and is slidably connected to the fixed plate 5. One side of the fixed plate 5 is arranged in an arc shape and is arranged as an arc portion 55. A rack 56 is arranged on one side of the arc portion 55. A transmission gear 57 meshing with the rack 56 is rotatably connected to the sliding block 81. A driving motor is arranged at one end of the sliding block 81, and an output shaft of the driving motor is coaxially and fixedly connected with the transmission gear 57. Before loading, firstly, the output shaft of the driving motor is operated to rotate, thereby driving the transmission gear 57 to rotate, and then driving the two-jaw chuck 54 to move. The two-jaw chuck 54 is moved to a position opposite to the feed port 2 to start loading.

[0034] When loading, the robot or other components can be manipulated to move the knitting needle body 100 (refer to Figure 1 ) is clamped in the direction close to the two-claw chuck 54, and then the two-claw chuck 54 is manipulated to move the knitting needle body 100 (refer to Figure 1 ) is clamped by the picking up portion 102.

[0035] Among them, the two-jaw chuck 54 is a prior art and will not be described in detail in this embodiment.

[0036] Then, the driving motor is operated to rotate, the two-claw chuck 54 is rotated to the bottom of the fire outlet pipe 11, and the fire outlet pipe 11 is operated to spray fire, thereby the knitting needle body 100 (refer to Figure 1 ) surface is quenched.

[0037] A motor 51 is rotated in the quenching box 1, and a synchronous wheel 52 is provided on the outer sleeve of the output shaft of the motor 51. The two-claw chuck 54 is rotatably connected to one end of the sliding block 81, and the other end of the sliding block 81 is rotatably connected to the synchronous wheel 2 53. The outer sleeves of the synchronous wheel 1 52 and the synchronous wheel 2 53 are provided with a synchronous belt. A connecting rod is provided at one end of the synchronous wheel 2 53 close to the two-claw chuck 54, and the connecting rod passes through the sliding block 81 and is fixedly connected to the axis of the two-claw chuck 54. By operating the motor 51 to rotate, the two-claw chuck 54 is driven to rotate, and then the knitting needle body 100 is driven to rotate, so that the knitting needle body 100 (refer to Figure 1 ) can be re-quenched with the knitting needle body 100 (refer to Figure 1 ) of the plurality of surfaces, thereby improving the knitting needle body 100 (refer to Figure 1 ) can also improve the quenching efficiency of the knitting needle body 100 and the comprehensiveness of the quenching.

[0038] Referring to the figure, the knitting needle body 100 (refer to Figure 1 ) After quenching for a certain period of time, the drive motor can be continued to rotate to move the two-jaw chuck 54 to a position directly opposite to the discharge port 3.

[0039] Reference Figure 3 and Figure 4 The quenching box 1 is provided with a cooling box 434, which is connected to the quenching box 1. A pneumatic clamp 45 is slidably connected in the cooling box 434. A cylinder 46 is provided on the cooling box 434. The cylinder 46 is located at the end of the pneumatic clamp 45 away from the quenching box 1. The piston rod of the cylinder 46 is fixedly connected to the pneumatic clamp 45. The piston rod of the cylinder 46 extends to drive the pneumatic clamp 45 to move into the quenching box 1. The pneumatic clamp 45 extends into the interior of the quenching box 1 to clamp the quenched knitting needle body 100, and then the piston rod of the cylinder 46 is operated to retract, and the knitting needle body 100 (refer to Figure 1 ) enters into the cooling box 434.

[0040] The cooling pipe 44 extends inside the cooling box 434, through which cooling gas or cooling liquid can be sprayed. A feeding port 41 for feeding is provided at the lower end of the cooling box 434, and an opening and closing plate 47 for opening and closing the feeding port 41 is slidably connected to the cooling box 434. After the cooling gas is sprayed, the knitting needle body 100 (refer to Figure 1 ) after cooling, the pneumatic clamp 45 can be directly operated to release the knitting needle body 100 (refer to Figure 1) is fixed, the knitting needle body 100 falls from the feeding port 41 due to gravity, and the knitting needle body 100 (refer to Figure 1 ) for cutting.

[0041] The opening and closing plate 47 is tilted when it is located in the cooling box 434. A cylinder 48 is provided outside the cooling box 434. The piston rod of the cylinder 48 is fixedly connected to the opening and closing plate 47. The cooling box 434 is connected to a drain pipe 42. If the cooling pipe 44 is used to spray the cooling liquid, the cooling liquid will be applied to the knitting needle body 100 (refer to Figure 1 ) after cooling, the coolant flows along the inclination angle of the opening and closing plate 47, and is discharged from the drain pipe 42 to the outside of the cooling box 434; after the cooling is completed, the piston rod of the cylinder 2 48 can be operated to extend, and the pneumatic clamp 45 can be operated to release the knitting needle body 100 (refer to Figure 1 ) is fixed to complete the knitting needle body 100 (refer to Figure 1 ) for cutting.

[0042] The implementation principle of a metal knitting needle quenching device and a quenching process of the present application is as follows: when feeding, the knitting needle body 100 (refer to Figure 1 ) is placed at the two-claw chuck 54, and then the two-claw chuck 54 is manipulated to move the knitting needle body 100 (refer to Figure 1 ) is clamped, and then the two-claw chuck 54 is operated to move to the fire outlet pipe 11, and the fire outlet pipe 11 is operated to emit fire, and then the fire outlet pipe 11 is rotated to cooperate with the two-claw chuck 54 to rotate, thereby the knitting needle body 100 (refer to Figure 1 ) to quench at multiple angles, thereby improving the efficiency of quenching the knitting needle body 100; after quenching, move the two-jaw chuck 54 to the discharge port 3, and then use the pneumatic clamp 45 to hold the knitting needle body 100 (refer to Figure 1 ) is moved from the quenching box 1 to the cooling box 434, and the knitting needle body 100 (refer to Figure 1 ) can be cut after cooling, and the knitting needle body 100 (refer to Figure 1 ) The quenching efficiency is higher.

[0043] Embodiment 2: Reference Figure 5 and Figure 6 The difference between the second embodiment and the first embodiment is that the arrangement of the support member is different.

[0044] A driving disk 6 is rotatably connected in the quenching box 1. The driving disk 6 is circularly arranged. Four two-claw chucks 54 are arranged. The four two-claw chucks 54 are arranged at equal intervals on the circumference of the driving disk 6. A motor 2 7 is horizontally arranged on the upper end of the quenching box 1. A synchronous wheel 3 71 is provided on the output shaft of the motor 2 7. A synchronous wheel 4 72 is rotatably connected in the quenching box 1. The synchronous wheel 3 71 and the synchronous wheel 4 72 are provided with a synchronous belt. A bevel gear 1 73 is coaxially fixedly connected to the synchronous wheel 4 72. The circumference of the driving disk 6 is provided with gear teeth 61 meshing with the bevel gear 1 73. The bevel gear 1 73 is used to drive the driving disk 6 to rotate. Before quenching, the knitting needle body 100 (refer to Figure 1 ) is placed on one of the two-claw chucks 54 from the feed port 2 and clamped, and then the drive disk 6 can be operated to rotate, and then the knitting needle body 100 (refer to Figure 1 ) and then placed on another two-jaw chuck 54 to clamp, and wait for the knitting needle body 100 (refer to Figure 1 ) is rotated to the bottom of the fire outlet tube 11, the fire outlet tube 11 can be operated to spray fire, thereby striking the knitting needle body 100 (refer to Figure 1 ) for quenching.

[0045] After the quenching is completed, the driving disk 6 is operated to rotate, and the quenched knitting needle body 100 is placed at the discharge port 3, and then the knitting needle body 100 (refer to Figure 1 ) is taken out from the quenching box 1, and then the knitting needle body 100 (refer to Figure 1 ) is cooled, and the knitting needle body 100 (refer to Figure 1 ) The quenching efficiency is higher.

[0046] The knitting needle body 100 after quenching (refer to Figure 1 ) moves to the discharge port 3, while the knitting needle body 100 to be quenched (refer to Figure 1 ) at this time, it moves to the bottom of the fire outlet tube 11, and the fire outlet tube 11 can be operated to continue to emit fire, thereby Figure 1 ) for quenching, thereby achieving the effect of quenching the knitting needles without stopping the machine, further improving the knitting needle body 100 (refer to Figure 1 ) Quenching efficiency.

[0047] In a second aspect, the present application provides a metal knitting needle quenching process, comprising the following steps: S1: vertically inserting the polished knitting needle body 100 into a storage box for loading; S2: The conveyor belt is turned on to drive the storage box to move to the side of the quenching box 1, and the knitting needle body 100 is clamped by the manipulator to move the knitting needle body 100 into the quenching box 1; S3: After the two-jaw chuck 54 clamps the knitting needle body 100, the knitting needle body 100 is moved to the bottom of the fire outlet pipe 11 for quenching; S4: After quenching, the knitting needle body 100 is driven to move to the bottom of the cooling tube 44 for cooling.

[0048] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A metal knitting needle quenching device, comprising a quenching box (1), wherein a fire outlet pipe (11) is arranged in the quenching box (1), characterized in that: The quenching box (1) is movably connected inside with a clamping assembly for clamping the knitting needle body (100), the clamping assembly comprising a two-jaw chuck (54), a support member for supporting the clamping assembly is arranged inside the quenching box (1), an inlet (2) is arranged on one side of the quenching box (1), and an outlet (3) is arranged on the other side of the quenching box (1), a cooling pipe (44) for cooling the knitting needle body (100) is arranged on the quenching box (1), the cooling pipe (44) is located outside the quenching box (1), and the pipe mouth of the cooling pipe (44) is located above the outlet (3).

2. A metal knitting needle quenching device according to claim 1, characterized in that: The quenching box (1) is provided with a cooling box (43) (4), the cooling box (43) (4) is connected to the quenching box (1), a cooling pipe (44) extends inside the cooling box (43) (4), a feeding port (41) for feeding is provided at the lower end of the cooling box (43) (4), an opening and closing plate (47) for opening and closing the feeding port (41) is slidably connected to the cooling box (43) (4), and the opening and closing plate (47) is inclined when located in the cooling box (43) (4), and a drain pipe (42) is connected to the cooling box (43) (4).

3. A metal knitting needle quenching device according to claim 2, characterized in that: A pneumatic clamp (45) is slidably connected inside the cooling box (43) (4), and the pneumatic clamp (45) can extend into the interior of the quenching box (1).

4. A metal knitting needle quenching device according to claim 3, characterized in that: The support member comprises a fixed disk (5), a sliding groove (8) is provided on the fixed disk (5), and the sliding groove (8) is arranged in an arc shape. The clamping assembly comprises a sliding block (81), and the sliding block (81) is located in the sliding groove (8) and is slidably connected to the fixed disk (5). A motor (51) is rotatable in the quenching box (1), and a synchronous wheel (52) is provided on the outer sleeve of the output shaft of the motor (51). The two-jaw chuck (54) is rotatably connected to one end of the sliding block (81), and the other end of the sliding block (81) is rotatably connected to the synchronous wheel (53). The outer sides of the synchronous wheel (52) and the synchronous wheel (53) are covered with a synchronous belt. A connecting rod is provided at one end of the synchronous wheel (53) close to the two-jaw chuck (54), and the connecting rod passes through the sliding block (81) and is fixedly connected to the axis of the two-jaw chuck (54).

5. A metal knitting needle quenching device according to claim 4, characterized in that: One side of the fixed disk (5) is arranged in an arc shape and is arranged as an arc portion (55), one side of the arc portion (55) is provided with a rack (56), and a transmission gear (57) meshing with the rack (56) is rotatably connected to the sliding block (81).

6. A metal knitting needle quenching device according to claim 3, characterized in that: A driving disk (6) is rotatably connected in the quenching box (1), the driving disk (6) is arranged in a circular shape, and a plurality of two-jaw chucks (54) are arranged at equal intervals in the circumferential direction of the driving disk (6).

7. A metal knitting needle quenching device according to claim 6, characterized in that: A second motor (7) is horizontally arranged in the quenching box (1), a synchronous wheel (71) is provided on the outer sleeve of the output shaft of the second motor (7), a synchronous wheel (72) is rotatably connected in the quenching box (1), a synchronous belt is provided on the outer sleeves of the synchronous wheel (71) and the fourth synchronous wheel (72), a bevel gear (73) is coaxially fixedly connected to the synchronous wheel (72), gear teeth (61) meshing with the bevel gear (73) are arranged in the circumference of the driving disk (6), and the bevel gear (73) is used to drive the driving disk (6) to rotate.

8. A metal knitting needle quenching process according to claim 1, characterized in that: The steps include: S1: vertically inserting the polished knitting needle body (100) into a storage box for loading materials; S2: operating the conveyor belt to start, driving the storage box to move to the side of the quenching box (1), and using the robot to clamp the knitting needle body (100), and move the knitting needle body (100) into the quenching box (1); S3: After the two-jaw chuck (54) clamps the knitting needle body (100), the knitting needle body (100) is moved to the bottom of the fire outlet pipe (11) for quenching; S4: After quenching, the knitting needle body (100) is driven to move to the bottom of the cooling tube (44) for cooling.

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