Quenching furnace for automobile part gear machining

Abstract

The invention discloses a quenching furnace for automobile part gear machining, and relates to the technical field of quenching furnaces, the quenching furnace comprises a bottom plate, a quenching furnace body is fixedly mounted at the top position of the bottom plate, supporting plates are fixedly connected to the four corners of the top surface of the bottom plate, and a control panel is fixedly mounted on the outer surface of one of the supporting plates; a supporting plate is fixedly connected to the bottom plate, a frame is fixedly connected to the top end of the supporting plate, a pair of sliding rods is fixedly connected to the inner wall of the frame, a toothed plate is fixedly connected to the middle of the inner side of the frame, a pair of fixing frames is fixedly connected to the bottom plate, and a supporting plate is fixedly connected between the top ends of the pair of fixing frames. The gear quenching furnace is reasonable in structure, gears in the feeding groove are clamped and fixed through the limiting assembly, and then the gears are conveniently placed into the quenching furnace body in batches for heating work through cooperative use of the hoisting assembly and the sliding assembly.

Description

Technical Field

[0001] The invention relates to the technical field of quenching furnaces, in particular to a quenching furnace for machining gears of automobile parts. Background Art

[0002] The quenching furnace is a furnace for heating the workpiece before quenching. Quenching is to put the workpiece into the furnace and heat it to a quenching temperature above the critical point and keep it for a period of time, then quickly take the workpiece out of the furnace and put it into the quenching liquid (oil or water) for quenching. The heat source of the furnace can be electricity and fuel, and the temperature can be measured by thermocouples. Furnaces that use electricity and gas or liquid fuel can use instruments to automatically control and adjust the temperature.

[0003] When the gear is being processed, it is first cast through a mold, and then the molded and cooled gear needs to be quenched to increase the overall rigidity of the gear. However, when the gear is placed in the quenching furnace, manual hand clamps are required to place the cooled and formed gears one by one in the quenching furnace for heating. This method is very inefficient and can easily delay the progress of gear production. Summary of the invention

[0004] The purpose of the present application is to provide a quenching furnace for processing gears of automotive parts, which realizes that a limit assembly is used to clamp and fix the gears inside a feed trough, and then, through the coordinated use of a lifting assembly and a sliding assembly, it is convenient to place the gears in batches inside a quenching furnace body for heating.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a quenching furnace for processing gears of automobile parts, comprising a base plate, a quenching furnace body is fixedly installed at the top position of the base plate, support plates are fixedly connected to the four corners of the top surface of the base plate, a control panel is fixedly installed on the outer surface of one of the support plates, a frame is fixedly connected to the top position of the support plate, a pair of sliding rods are fixedly connected to the inner wall of the frame, a tooth plate is fixedly connected to the middle position of the inner side of the frame, a pair of fixed frames are fixedly connected to the base plate, a support plate is fixedly connected between the top ends of the pair of fixed frames, a pair of material storage plates are fixedly installed on the support plate, and a pair of material storage plates are provided with a feed trough; it also includes a sliding assembly, a lifting assembly and a limiting assembly, the sliding assembly is arranged on the frame for carrying gears, the lifting assembly is arranged on the base plate for use in conjunction with the sliding assembly, and the limiting assembly is arranged on the lifting assembly to fix the gears inside the feed trough.

[0006] Preferably, the sliding assembly includes a pulley slidably connected to the sliding rod, the pulley is rotatably connected to the mounting seat, the top end of the mounting seat is fixedly connected to an axle pin, the axle pin is sleeved with a docking seat, one end of the docking seat is fixedly connected to the top plate, and a through groove is opened in the middle of the top plate.

[0007] Preferably, a first motor is fixedly installed on the top surface of the top plate, and the output end of the first motor is fixedly connected to the first transmission rod, the first transmission rod is sleeved with a first shaft seat, the bottom end of the first shaft seat is fixedly connected to the top plate, one end of the first transmission rod is fixedly connected to the first pulley, the first pulley is sleeved with a transmission belt, the other end of the transmission belt is sleeved on the second pulley, the second pulley is fixedly connected to the main shaft, and the main shaft is rotatably connected to the second shaft seat, the second shaft seat is arranged on both sides of the through groove, the bottom end of the second shaft seat is fixedly installed on the top plate, and a toothed disc is fixedly connected to the middle position of the main shaft, and the toothed disc and the toothed plate are meshed with each other.

[0008] Preferably, a pair of steel wire ropes are fixedly connected to one side of the bottom of the top plate, the other end of the pair of steel wire ropes is fixedly connected to a winding roller, the winding roller is fixedly connected to a second transmission rod, the middle position of the second transmission rod is fixedly connected to the output end of the second motor, and the second motor is fixedly mounted on the top plate.

[0009] Preferably, the lifting assembly includes a lifting frame arranged on the base plate, a pair of clamping plates are fixedly connected to the inner wall of the lifting frame, side blocks are fixedly connected on both sides of the inner wall of the lifting frame, a pair of limit plates are fixedly connected to the top of the side blocks, a limit block is fixedly connected between the pair of limit plates, and a through hole is opened in the limit block.

[0010] Preferably, a docking plate is fixedly connected between the top ends of a pair of the limiting plates, a pair of brackets are fixedly connected to the docking plate, both ends of the brackets are rotatably connected to driven wheels, and the middle part of the wire rope passes through the through hole and fits with the driven wheels.

[0011] Preferably, the limiting assembly includes a pair of rods movably inserted on both sides of a pair of clamping plates, one end of the pair of rods is fixedly connected to the clamping block, the other end of the rods is fixedly connected to an arm plate, the inner side of the top end of the arm plate is fixedly connected to a first hinge seat, the first hinge seat is rotatably connected to a first pin, the first pin is fixedly connected to a linkage plate, the other end of the linkage plate is fixedly connected to a second pin, the second pin is rotatably connected to a second hinge seat, the second hinge seat is fixedly mounted on the sleeve block, and the bottom surface of the sleeve block is fixedly connected to a baffle.

[0012] Preferably, the sleeve block is slidably connected to the positioning rod, a ring is fixedly connected to the top end of the positioning rod, the bottom end of the positioning rod is fixedly connected to the clamping block, a spring is sleeved on the positioning rod, and both ends of the spring are respectively fixedly connected to the bottom surface of the baffle and the top surface of the clamping block.

[0013] Preferably, a transverse plate is fixedly connected to one side of the sleeve block, a loading plate is fixedly connected to one middle side of the transverse plate, an adjusting block is fixedly connected to the middle position of the top surface of the loading plate, an arc groove is provided on the top surface of the adjusting block, and a socket is provided on the loading plate.

[0014] Preferably, a third axle seat is inserted into the inside of the socket, the top of the third axle seat is rotatably connected to a rotating shaft, the middle position of the rotating shaft is fixedly connected to a camshaft, the camshaft fits inside the arc groove, a pair of pull plates are fixedly connected to the rotating shaft, a pull rod is fixedly connected between one end of the pair of pull plates, the bottom end of the third axle seat is fixedly connected to a positioning plate, and both ends of the positioning plate are fixedly connected to the lifting frame.

[0015] In summary, the present invention has the following beneficial effects:

[0016] 1. The present invention has a reasonable structure. When the top plate needs to be moved, the first motor is operated, and the operation of the first motor facilitates the rotation of the first transmission rod. The other end of the first transmission rod is fixedly connected to the first pulley, and the first pulley is driven to rotate by the rotation of the first transmission rod. A transmission belt is sleeved on the first pulley, and the other end of the transmission belt is sleeved on the second pulley. The rotation of the first pulley drives the second pulley to rotate through the transmission belt, thereby facilitating the rotation of the main shaft on the second pulley. A toothed disc is fixedly connected to the middle position of the main shaft, and the toothed disc and the toothed disc are meshed with each other. The rotation of the toothed disc facilitates the pulley on the top plate to slide on the slide rod, thereby facilitating the movement of the top plate.

[0017] 2. In the present invention, when adjusting the height of the lifting frame, a steel wire rope is fixedly connected to the bottom end of the top plate, and the steel wire rope passes through the through hole and meshes with the driven wheel, and the other end of the steel wire rope is fixedly connected to the winding roller, and the control panel is operated to operate the second motor, and the output end of the second motor is fixedly connected to the second transmission rod, and the second transmission rod is rotated by the operation of the second motor, and the winding roller is fixedly connected to one end of the second transmission rod, and the winding roller is used to wind up the steel wire rope by the rotation of the second transmission rod, so as to facilitate the free adjustment of the upper and lower heights of the lifting frame;

[0018] 3. In the present invention, the gear to be quenched enters the interior of the feed trough, and then the clamping plate on the lifting frame is moved to the gear inside the feed trough. At this time, the clamping block is in the open state. When the clamping block is needed to clamp and fix the gear, the pull rod is pulled upward to facilitate the rotation of the camshaft. The carrier plate will also move upward due to the elastic force of the spring. A sleeve block is sleeved on the positioning rod. The upward movement of the carrier plate facilitates the sleeve block to slide upward on the positioning rod. The movement of the sleeve block pulls the arm plate closer to each other through the linkage plate, so that the clamping block on the insertion rod can clamp and fix the gear inside the feed trough, and the gear can be transported to the interior of the quenching furnace body for quenching. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the quenching furnace body;

[0021] Figure 2 It is a schematic diagram of the three-dimensional structure of the top plate;

[0022] Figure 3 It is a schematic diagram of the three-dimensional structure of the top plate from the rear;

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of the lifting frame;

[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of the lifting frame from a top view;

[0025] Figure 6 It is a schematic diagram of the three-dimensional structure of the pallet;

[0026] Figure 7 It is a schematic diagram of the three-dimensional structure of the limiting component;

[0027] Figure 8 for Figure 6 The enlarged structural diagram at A in the middle;

[0028] Fig. 9 for Figure 7 Enlarged structural diagram at B in the middle.

[0029] In the figure: 1. bottom plate; 101. quenching furnace body; 102. support plate; 103. control panel; 104. frame; 105. slide bar; 106. tooth plate; 107. fixed frame; 108. support plate; 109. storage plate; 110. feeding trough; 2. pulley; 201. mounting seat; 202. shaft pin; 203. docking seat; 204. top plate; 205. through slot; 206. first motor; 207. first transmission rod; 208. first shaft seat; 209. first pulley; 210. transmission belt; 211. second pulley; 212. main shaft; 213. second shaft seat; 214. toothed disc; 3. wire rope; 301. winding roller; 302. second transmission rod; 303. second motor; 4. lifting Frame; 401, card plate; 402, side block; 403, limit plate; 404, limit block; 405, through hole; 406, docking plate; 407, bracket; 408, driven wheel; 5, plug rod; 501, clamp block; 502, arm plate; 503, first hinge seat; 504, first pin; 505, linkage plate; 506, second pin; 507, second hinge seat; 508, sleeve block; 509, baffle; 510, positioning rod; 511, ring; 512, spring; 6, horizontal plate; 601, loading plate; 602, adjustment block; 603, arc groove; 604, jack; 605, third shaft seat; 606, rotating shaft; 607, camshaft; 608, pull plate; 609, pull rod; 610, positioning plate. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Example: Reference Figure 1 - Fig. 9The quenching furnace for machining gears of automobile parts shown in the figure comprises a bottom plate 1, a quenching furnace body 101 is fixedly installed at the top position of the bottom plate 1, support plates 102 are fixedly connected to the four corners of the top surface of the bottom plate 1, a control panel 103 is fixedly installed on the outer surface of one of the support plates 102, a frame 104 is fixedly connected to the top position of the support plate 102, a pair of sliding rods 105 are fixedly connected to the inner wall of the frame 104, a tooth plate 106 is fixedly connected to the inner middle position of the frame 104, and the bottom plate 1 is fixedly connected to the outer wall of the frame 104. A pair of fixing frames 107 are connected, a support plate 108 is fixedly connected between the top ends of the pair of fixing frames 107, a pair of material storage plates 109 are fixedly installed on the support plate 108, and a feed trough 110 is opened on the pair of material storage plates 109; it also includes a sliding component, a lifting component and a limit component, the sliding component is arranged on the frame 104 for carrying the gears, the lifting component is arranged on the bottom plate 1 for use with the sliding component, and the limit component is arranged on the lifting component to fix the gears inside the feed trough 110.

[0032] Specifically, it should be noted that the control panel 103, the first motor 206 and the second motor 303 are electrically connected through wires, and the specific working principles therebetween are referenced through the existing technology and will not be elaborated on here. The operation of the first motor 206 facilitates the movement of the top plate 204 as a whole, and the operation of the second motor 303 facilitates the winding roller 301 to wind up the wire rope 3.

[0033] As an implementation method in this embodiment, the sliding assembly includes a pulley 2 slidably connected to the sliding rod 105, the pulley 2 is rotatably connected to the mounting seat 201, the top of the mounting seat 201 is fixedly connected with an axle pin 202, the axle pin 202 is sleeved with a docking seat 203, one end of the docking seat 203 is fixedly connected to the top plate 204, the middle position of the top plate 204 is provided with a through groove 205, the top surface of the top plate 204 is fixedly installed with a first motor 206, the output end of the first motor 206 is fixedly connected with a first transmission rod 207, the first transmission rod 207 is sleeved with a first shaft seat 208, the bottom end of the first shaft seat 208 is fixedly connected to the top plate 204, one end of the first transmission rod 207 is fixedly connected with a first pulley 209, and the first pulley 209 is sleeved with a transmission belt 21 0, the other end of the transmission belt 210 is sleeved on the second pulley 211, the second pulley 211 is fixedly connected to the main shaft 212, the main shaft 212 is rotatably connected to the second shaft seat 213, the second shaft seat 213 is arranged on both sides of the through groove 205, the bottom end of the second shaft seat 213 is fixedly installed on the top plate 204, the middle position of the main shaft 212 is fixedly connected with a toothed disc 214, the toothed disc 214 and the toothed plate 106 are meshed with each other, a pair of steel wire ropes 3 are fixedly connected to one side of the bottom of the top plate 204, the other end of the pair of steel wire ropes 3 is fixedly connected to the winding roller 301, the winding roller 301 is fixedly connected to the second transmission rod 302, the middle position of the second transmission rod 302 is fixedly connected to the output end of the second motor 303, and the second motor 303 is fixedly installed on the top plate 204.

[0034] Specifically, when it is necessary to move the top plate 204, the first motor 206 is operated, and the operation of the first motor 206 facilitates the rotation of the first transmission rod 207. The other end of the first transmission rod 207 is fixedly connected to the first pulley 209, and the rotation of the first transmission rod 207 drives the first pulley 209 to rotate. A transmission belt 210 is provided on the first pulley 209, and the other end of the transmission belt 210 is provided on the second pulley 211. The rotation of the first pulley 209 drives the second pulley 211 to rotate through the transmission belt 210, thereby facilitating the rotation of the main shaft 212 on the second pulley 211. A toothed disc 214 is fixedly connected to the middle position of the main shaft 212, and the toothed disc 214 and the toothed plate 106 are meshed with each other. Through the rotation of the toothed disc 214, it is easy to drive the pulley 2 on the top plate 204 to slide on the slide rod 105, thereby facilitating the movement of the top plate 204.

[0035] As an implementation method in this embodiment, the lifting assembly includes a lifting frame 4 arranged on the base plate 1, a pair of clamping plates 401 are fixedly connected to the inner wall of the lifting frame 4, side blocks 402 are fixedly connected to the inner walls of the lifting frame 4 on both sides, a pair of limiting plates 403 are fixedly connected to the top of the side blocks 402, a limiting block 404 is fixedly connected between the pair of limiting plates 403, a through hole 405 is opened on the limiting block 404, a docking plate 406 is fixedly connected between the top ends of the pair of limiting plates 403, a pair of brackets 407 are fixedly connected to the docking plate 406, and driven wheels 408 are rotatably connected to both ends of the brackets 407. The middle part of the wire rope 3 passes through the through hole 405 and fits with the driven wheel 408.

[0036] Specifically, when adjusting the height of the lifting frame 4, a steel wire rope 3 is fixedly connected to the bottom end of the top plate 204, and the steel wire rope 3 passes through the through hole 405 and engages with the driven wheel 408, and the other end of the steel wire rope 3 is fixedly connected to the winding roller 301. The control panel 103 is operated to operate the second motor 303, and the output end of the second motor 303 is fixedly connected to the second transmission rod 302, and the operation of the second motor 303 facilitates the rotation of the second transmission rod 302. A winding roller 301 is fixedly connected to one end of the second transmission rod 302, and the winding roller 301 is used to wind up the steel wire rope 3 through the rotation of the second transmission rod 302, thereby facilitating the free adjustment of the upper and lower heights of the lifting frame 4.

[0037] As an implementation method in this embodiment, the limiting assembly includes a pair of insertion rods 5 movably inserted on both sides of a pair of clamping plates 401, one end of the pair of insertion rods 5 is fixedly connected to the clamping block 501, and the other end of the insertion rod 5 is fixedly connected to an arm plate 502, and the inner side of the top end of the arm plate 502 is fixedly connected to a first hinge seat 503, and the first hinge seat 503 is rotatably connected to a first pin 504, and the first pin 504 is fixedly connected to a linkage plate 505, and the other end of the linkage plate 505 is fixedly connected to a second pin 506, and the second pin 506 is rotatably connected to a second hinge seat 507, and the second hinge seat 507 is fixedly installed on a sleeve block 508, and a baffle 509 is fixedly connected to the bottom surface of the sleeve block 508, and the sleeve block 508 is slidably connected to a positioning rod 510, and a ring 511 is fixedly connected to the top of the positioning rod 510, and the bottom end of the positioning rod 510 is fixedly connected to the clamping block 501, and a spring is sleeved on the positioning rod 510 512, the two ends of the spring 512 are respectively fixedly connected to the bottom surface of the baffle 509 and the top surface of the clamping block 501, one side of the sleeve block 508 is fixedly connected to the horizontal plate 6, the middle side of the horizontal plate 6 is fixedly connected to the loading plate 601, the middle position of the top surface of the loading plate 601 is fixedly connected to the adjusting block 602, the top surface of the adjusting block 602 is provided with an arc groove 603, the loading plate 601 is provided with a socket 604, and the inside of the socket 604 is inserted with a third shaft seat 605, the top of the third shaft seat 605 is rotatably connected to a rotating shaft 606, the middle position of the rotating shaft 606 is fixedly connected to a cam shaft 607, the cam shaft 607 fits inside the arc groove 603, a pair of pull plates 608 are fixedly connected to the rotating shaft 606, a pull rod 609 is fixedly connected between one end of the pair of pull plates 608, the bottom end of the third shaft seat 605 is fixedly connected to a positioning plate 610, and both ends of the positioning plate 610 are fixedly connected to the lifting frame 4.

[0038] Specifically, the gear that needs to be quenched enters the interior of the feed trough 110, and then the clamping plate 401 on the lifting frame 4 is moved to the gear inside the feed trough 110. At this time, the clamping block 501 is in the open state. When the clamping block 501 is needed to clamp and fix the gear, the pull rod 609 is pulled upward to facilitate the rotation of the camshaft 607. The carrier plate 601 will also move upward due to the elastic force of the spring 512. A sleeve block 508 is sleeved on the positioning rod 510. The upward movement of the carrier plate 601 facilitates the sleeve block 508 to slide upward on the positioning rod 510. The movement of the sleeve block 508 pulls the arm plate 502 together through the linkage plate 505, so that the clamping block 501 on the insertion rod 5 can clamp and fix the gear inside the feed trough 110, so that the gear can be transported to the interior of the quenching furnace body 101 for quenching.

[0039] Working principle of the present invention: when it is necessary to move the top plate 204, the first motor 206 is operated, and the operation of the first motor 206 facilitates the rotation of the first transmission rod 207. The other end of the first transmission rod 207 is fixedly connected to the first pulley 209, and the first pulley 209 is driven to rotate by the rotation of the first transmission rod 207. A transmission belt 210 is sleeved on the first pulley 209, and the other end of the transmission belt 210 is sleeved on the second pulley 211. The rotation of the first pulley 209 drives the second pulley 211 to rotate through the transmission belt 210, thereby facilitating the rotation of the main shaft 212 on the second pulley 211. A toothed disc 214 is fixedly connected to the middle position of the main shaft 212, and the toothed disc 214 and the toothed plate 106 are meshed with each other. The rotation of the toothed disc 214 facilitates the pulley 2 on the top plate 204 to slide on the slide rod 105, thereby facilitating the movement of the top plate 204.

[0040] When adjusting the height of the lifting frame 4, a steel wire rope 3 is fixedly connected to the bottom end of the top plate 204, and the steel wire rope 3 passes through the through hole 405 and meshes with the driven wheel 408, and the other end of the steel wire rope 3 is fixedly connected to the winding roller 301, and the control panel 103 is operated to operate the second motor 303, and the output end of the second motor 303 is fixedly connected to the second transmission rod 302, and the second transmission rod 302 is operated to facilitate the rotation of the second motor 303, and the winding roller 301 is fixedly connected to one end of the second transmission rod 302, and the winding roller 301 is used to wind up the steel wire rope 3 through the rotation of the second transmission rod 302, so as to facilitate the free adjustment of the upper and lower heights of the lifting frame 4;

[0041] The gear that needs to be quenched enters the interior of the feed trough 110, and then the clamping plate 401 on the lifting frame 4 is moved to the gear inside the feed trough 110. At this time, the clamping block 501 is in the open state. When the clamping block 501 is needed to clamp and fix the gear, the pull rod 609 is pulled upward to facilitate the rotation of the camshaft 607. The carrier plate 601 will also move upward due to the elastic force of the spring 512. A sleeve block 508 is sleeved on the positioning rod 510. The upward movement of the carrier plate 601 facilitates the sleeve block 508 to slide upward on the positioning rod 510. The movement of the sleeve block 508 pulls the arm plate 502 closer to each other through the linkage plate 505, so that the clamping block 501 on the insertion rod 5 can clamp and fix the gear inside the feed trough 110, so that the gear can be transported to the interior of the quenching furnace body 101 for quenching.

[0042] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A quenching furnace for machining gears of automobile parts, comprising a bottom plate (1), characterized in that: A quenching furnace body (101) is fixedly installed at the top position of the bottom plate (1), support plates (102) are fixedly connected at the four corners of the top surface of the bottom plate (1), a control panel (103) is fixedly installed on the outer surface of one of the support plates (102), a frame (104) is fixedly connected at the top position of the support plate (102), a pair of sliding rods (105) are fixedly connected to the inner wall of the frame (104), a tooth plate (106) is fixedly connected to the inner middle position of the frame (104), a pair of fixing frames (107) are fixedly connected to the bottom plate (1), a supporting plate (108) is fixedly connected between the top ends of the pair of fixing frames (107), a pair of material storage plates (109) are fixedly installed on the supporting plate (108), and a pair of material storage plates (109) are provided with a feeding trough (110); It also includes a sliding assembly, a lifting assembly and a limiting assembly, wherein the sliding assembly is arranged on the frame (104) for carrying the gears, the lifting assembly is arranged on the base plate (1) for use in conjunction with the sliding assembly, and the limiting assembly is arranged on the lifting assembly for fixing the gears inside the feed trough (110).

2. A quenching furnace for machining gears of automotive parts according to claim 1, characterized in that: The sliding assembly comprises a pulley (2) slidably connected to the sliding rod (105), the pulley (2) is rotatably connected to a mounting seat (201), a shaft pin (202) is fixedly connected to the top of the mounting seat (201), a docking seat (203) is sleeved on the shaft pin (202), one end of the docking seat (203) is fixedly connected to a top plate (204), and a through groove (205) is provided in the middle of the top plate (204).

3. A quenching furnace for machining automotive parts gears according to claim 2, characterized in that: A first motor (206) is fixedly mounted on the top surface of the top plate (204); an output end of the first motor (206) is fixedly connected to a first transmission rod (207); a first shaft seat (208) is sleeved on the first transmission rod (207); a bottom end of the first shaft seat (208) is fixedly connected to the top plate (204); one end of the first transmission rod (207) is fixedly connected to a first pulley (209); a transmission belt (210) is sleeved on the first pulley (209); and the transmission belt (210) The other end of the main shaft (205) is sleeved on the second pulley (211), the second pulley (211) is fixedly connected to the main shaft (212), the main shaft (212) is rotatably connected to the second shaft seat (213), the second shaft seat (213) is arranged on both sides of the through groove (205), the bottom end of the second shaft seat (213) is fixedly installed on the top plate (204), and the middle position of the main shaft (212) is fixedly connected with a toothed disc (214), and the toothed disc (214) and the toothed plate (106) are meshed with each other.

4. The quenching furnace for machining automotive parts gears according to claim 3, characterized in that: A pair of steel wire ropes (3) are fixedly connected to one side of the bottom of the top plate (204); the other ends of the pair of steel wire ropes (3) are fixedly connected to a winding roller (301); the winding roller (301) is fixedly connected to a second transmission rod (302); the middle position of the second transmission rod (302) is fixedly connected to the output end of a second motor (303); and the second motor (303) is fixedly mounted on the top plate (204).

5. The quenching furnace for machining gears of automobile parts according to claim 4, characterized in that: The lifting assembly comprises a lifting frame (4) arranged on the base plate (1), a pair of clamping plates (401) being fixedly connected to the inner wall of the lifting frame (4), side blocks (402) being fixedly connected to both sides of the inner wall of the lifting frame (4), a pair of limiting plates (403) being fixedly connected to the top of the side blocks (402), a limiting block (404) being fixedly connected between the pair of limiting plates (403), and a through hole (405) being provided on the limiting block (404).

6. The quenching furnace for machining automotive parts gears according to claim 5, characterized in that: A docking plate (406) is fixedly connected between the top ends of a pair of limiting plates (403), a pair of brackets (407) are fixedly connected to the docking plate (406), and driven wheels (408) are rotatably connected to both ends of the brackets (407). The middle part of the steel wire rope (3) passes through the through hole (405) and fits with the driven wheel (408).

7. A quenching furnace for machining automotive parts gears according to claim 6, characterized in that: The limiting assembly comprises a pair of insertion rods (5) movably inserted on both sides of a pair of the clamping plates (401), one end of the pair of insertion rods (5) is fixedly connected to the clamping block (501), the other end of the insertion rods (5) is fixedly connected to an arm plate (502), the inner side of the top end of the arm plate (502) is fixedly connected to a first hinge seat (503), the first hinge seat (503) is rotatably connected to a first pin column (504), the first pin column (504) is fixedly connected to a linkage plate (505), the other end of the linkage plate (505) is fixedly connected to a second pin column (506), the second pin column (506) is rotatably connected to a second hinge seat (507), the second hinge seat (507) is fixedly mounted on a sleeve block (508), and a blocking sheet (509) is fixedly connected to the bottom surface of the sleeve block (508).

8. The quenching furnace for machining gears of automobile parts according to claim 7, characterized in that: The sleeve block (508) is slidably connected to the positioning rod (510), the top end of the positioning rod (510) is fixedly connected to a ring (511), the bottom end of the positioning rod (510) is fixedly connected to the clamping block (501), and a spring (512) is sleeved on the positioning rod (510), and the two ends of the spring (512) are respectively fixedly connected to the bottom surface of the baffle (509) and the top surface of the clamping block (501).

9. The quenching furnace for machining gears of automobile parts according to claim 8, characterized in that: A transverse plate (6) is fixedly connected to one side of the sleeve block (508), a carrier plate (601) is fixedly connected to one side of the middle of the transverse plate (6), an adjustment block (602) is fixedly connected to the middle of the top surface of the carrier plate (601), an arc groove (603) is provided on the top surface of the adjustment block (602), and a plug hole (604) is provided on the carrier plate (601).

10. The quenching furnace for machining automotive parts gears according to claim 9, characterized in that: A third shaft seat (605) is inserted into the interior of the insertion hole (604), the top of the third shaft seat (605) is rotatably connected to a rotating shaft (606), the middle position of the rotating shaft (606) is fixedly connected to a cam shaft (607), the cam shaft (607) fits inside the arc groove (603), a pair of pull plates (608) are fixedly connected to the rotating shaft (606), a pull rod (609) is fixedly connected between one end of the pair of pull plates (608), the bottom end of the third shaft seat (605) is fixedly connected to a positioning plate (610), and both ends of the positioning plate (610) are fixedly connected to the lifting frame (4).

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