A high-toughness die steel strengthening device

Abstract

The present invention relates to the technical field of mold steel strengthening devices, and proposes a high-toughness mold steel strengthening device, including: a precooling box, on which a precooling mechanism is arranged, and when the blower mechanism is working, the heated mold steel workpiece can be blown precooled by a fan first, and while the blower mechanism is working, the linkage mechanism can be driven, and two transmission mechanisms can be started synchronously through the linkage mechanism, and one of the transmission mechanisms can indirectly drive the toggle mechanism, so that the transmission component can be indirectly driven through the toggle mechanism to transport the workpiece to be heated and precooled. The motor on the blower mechanism is used as a power device, and while the blower mechanism realizes air cooling, it can also realize water mist precooling after air cooling, transmission of the workpiece by the transmission component, and flipping of the workpiece during transmission, etc., with strong functionality, high degree of automation, and high use value.

Description

Technical Field

[0001] The present invention relates to the technical field of die steel strengthening devices, and specifically, to a high-toughness die steel strengthening device. Background Art

[0002] Die steel is a type of steel used to manufacture dies such as cold stamping dies, hot forging dies, and die-casting dies. The principle of heat strengthening of die steel is mainly to improve its hardness and strength by changing its organizational structure. Heat strengthening usually includes processes such as quenching, tempering, and normalizing. The purpose of quenching is to make the structure of the steel undergo a phase change through rapid cooling, thereby obtaining high hardness and strength. Tempering is to eliminate the internal stress after quenching, improve toughness and impact resistance, so that the die steel has the advantages of high toughness, high hardness, and high strength.

[0003] After retrieval, the existing patent (publication number: CN217149237U) discloses a device for surface strengthening treatment of hot work die steel. It includes a heating device, two fixing bars are fixedly connected to the inner wall of the heating device, a sliding frame is slidably connected to the surfaces of the two fixing bars, a base is fixedly connected to the upper surface of the sliding frame, a control device is arranged inside the heating device, the control device includes two rotating shafts, both of the two rotating shafts are rotatably connected to the inside of the heating device, a gear is fixedly connected to one end of the rotating shaft located inside the heating device, two racks are fixedly connected to the side wall of the sliding frame, the tooth surfaces of the racks are engaged with the tooth surfaces of the gears, and a turning handle is fixedly connected to the side of the rotating shaft away from the gear. This solution solves the problem that the sliding frame located inside the heating device may be scalded when the staff directly pulls it out from the fixing bar on the heating device after being heated.

[0004] However, there are still certain deficiencies in the above solution:

[0005] In the heat strengthening process, when the die steel is heated inside the heating device, since the die steel cannot be flipped, the uniformity of heating of the die steel is insufficient. Especially at the bottom of the workpiece, the heating effect is much worse than that at the top of the workpiece. Due to the uneven heating, it is easy to cause deformation of the workpiece after heat treatment, which will seriously affect the quality and service life of the die. Once it cracks during heat treatment, the die will be scrapped;

[0006] Its working efficiency is low. After each heating is completed, it is necessary to take out the die steel and then reinstall the next die steel, and it cannot perform assembly line operations;

[0007] In the heat strengthening process, after the workpiece is heated, it needs to be quenched and cooled. However, in the above solution, the functionality is relatively single and the degree of automation is low.

[0008] In view of this, the present invention proposes a high-toughness die steel strengthening device. Summary of the invention

[0009] The present invention provides a high-toughness mold steel strengthening device, which solves the problems of the existing mold steel strengthening devices in the related art having relatively single functionality, low automation and low working efficiency.

[0010] The technical solution of the present invention is as follows: A high-toughness mold steel strengthening device comprises: a heating box and a precooling box connected to one end of the heating box, wherein the heating box and the precooling box are provided with a transmission component inside, and a limit component for clamping the mold steel workpiece is distributed on the transmission component, and a precooling mechanism is provided on the precooling box for precooling the mold steel workpiece transported to the inside of the precooling box via the transmission component and the limit component;

[0011] The precooling mechanism comprises:

[0012] A blower mechanism, disposed on the top of the precooling box, for air cooling the mold steel workpiece inside the precooling box;

[0013] A linkage mechanism is arranged at the lower side of the hair dryer mechanism, and can drive the linkage mechanism during the operation of the hair dryer mechanism;

[0014] Two transmission mechanisms are respectively arranged on both sides of the pre-cooling box. When the blower mechanism drives the linkage mechanism, the two transmission mechanisms can be started synchronously through the linkage mechanism.

[0015] A toggle mechanism is disposed at the lower side of one of the transmission mechanisms, and the toggle mechanism can be driven by the transmission mechanism, so that the transmission assembly can be indirectly driven by the toggle mechanism;

[0016] The spray mechanism is arranged at the lower side of another transmission mechanism, and is driven by the transmission mechanism so that the spray mechanism can spray toward the inside of the pre-cooling box.

[0017] Preferably, two installation cavities are provided through the top of the pre-cooling box, and the blower mechanism includes two star-shaped frames respectively fixed to the inner sides of the two installation cavities, the bottoms of the two star-shaped frames are rotatably connected to fans, the tops of the two star-shaped frames are rotatably connected to first sprockets, the first sprockets are coaxially fixed to the fans, a first chain is connected between the two first sprockets, the bottom end of one of the star-shaped frames is fixed to a frame, and a motor for rotating the first sprocket is installed on the top of the frame.

[0018] Preferably, slit grooves are provided on both sides of the precooling box, and the linkage mechanism includes a rotating ring rotatably mounted on the inner side of the precooling box, an inner gear ring is fixedly connected to the inner side of the rotating ring, an outer gear ring is fixedly connected to the outer periphery of the rotating ring, and the outer gear ring slides through the inner side of the slit groove, a hanging plate is fixedly connected to the inner wall of the precooling box, a middle gear is rotatably connected to the bottom of the hanging plate, a small gear is coaxially fixedly connected to the bottom of the center of the fan, and the small gear and the inner gear ring are both meshed with the middle gear.

[0019] Preferably, the transmission mechanism comprises a gear plate rotatably connected to the outer wall of the precooling box, the gear plate meshes with the outer gear ring, the upper and lower sides of the gear plate are each provided with a fixed block fixed to the outer wall of the precooling box, the two fixed blocks are each slidably sleeved with a guide rod, the ends of the two guide rods close to each other are commonly fixedly connected to a swing frame, the inner side of the swing frame is slidably sleeved with a push column, and the end of the push column close to the gear plate is fixedly connected to an adjustment block;

[0020] A swing frame is fixedly connected to the center of the gear plate, the adjustment block is slidably clamped on the inner side of the swing frame, a screw rod is rotatably connected to the inner side of the swing frame, the screw rod thread runs through the inside of the adjustment block, and a rotating cap for rotating the screw rod is arranged on the top of the swing frame.

[0021] Preferably, the toggle mechanism includes a connecting shaft that rotates and passes through the outer wall of the pre-cooling box, one end of the connecting shaft is connected to a toggle rod through a toggle piece, the end of the toggle rod away from the toggle piece is fixedly connected to a connecting rod, one end of the connecting rod is fixedly connected to a moving block, the outer wall of the pre-cooling box is provided with an arc-shaped cavity for the moving block to slide, an arc-shaped rod is fixedly connected to the inner side of the arc-shaped cavity, the arc-shaped rod slides through the inside of the moving block, a connecting spring is sleeved on the outer side of the arc-shaped rod, and both ends of the connecting spring are respectively fixedly connected to the end of the moving block and the bottom of the arc-shaped cavity.

[0022] Preferably, the toggle member includes a rotating sleeve sleeved on the outer wall of the connecting shaft, the outer wall of the connecting shaft is fixedly sleeved with two limit rings, the limit ring is slidably sleeved inside the rotating sleeve, a telescopic groove is provided inside the rotating sleeve, the telescopic groove is slidably sleeved inside with an insert block, a reset spring is connected between the insert block and the telescopic groove, and the outer wall of the connecting shaft is provided with slots matching the insert blocks in a ring array.

[0023] Preferably, the spray mechanism comprises a water tank and a water frame arranged on one side of the precooling box, a water inlet pipe is connected between the water tank and the water frame, a piston plate is provided on a sliding sleeve inside the water frame, the top of the piston plate is fixedly connected to the bottom of the guide rod, a water outlet pipe is fixedly connected to one side of the water frame, the other end of the water outlet pipe extends to the inside of the precooling box, and a shower is connected to the end of the water outlet pipe;

[0024] One-way valves are arranged at the ends of the water inlet pipe and the water outlet pipe close to the water frame.

[0025] Preferably, a feed port is provided at one end of the heating box, a flip plate is rotatably connected to the upper side of the feed port via a rotating shaft, and a side plate is fixedly connected to one end of the heating box;

[0026] The transmission assembly includes a frame, rollers are equidistantly connected to the inner side of the frame, a metal steel mesh conveyor belt is connected between the plurality of rollers, the rollers located outside the precooling box penetrate the outer wall of the frame and are rotatably connected to the side plate, a linkage component is provided between two adjacent rollers, the linkage component includes two second sprockets respectively fixed to the outer walls of the two rollers, and a second chain is transmission-connected between the two second sprockets;

[0027] The connecting shaft is fixedly connected to one of the second sprockets.

[0028] Preferably, the limiting assembly includes a mounting base arranged on the outer wall of the metal steel mesh conveyor belt, and two supporting frames are symmetrically arranged on the outer wall of the mounting base, and a swivel seat is rotatably connected to the two supporting frames, and a plurality of screws are fixed to the outer wall of the swivel seat, and a threaded tube is provided on the threaded sleeve of the outer wall of each screw, and a transmission gear is arranged on one side of one of the supporting frames, and the transmission gear is coaxially fixed with one of the swivel seats.

[0029] Preferably, a transmission rack is fixedly connected to the inner wall of the heating box and the pre-cooling box, and the transmission rack is meshed with a transmission gear located inside the heating box and the pre-cooling box;

[0030] One end of the pre-cooling box close to the heating box is rotatably connected with a flip partition through a rotating shaft, which is used to separate the interior of the pre-cooling box and the heating box.

[0031] The working principle and beneficial effects of the present invention are:

[0032] In the present invention, a precooling mechanism is arranged on the precooling box, wherein the precooling mechanism includes a blower mechanism, a linkage mechanism, two transmission mechanisms and a toggle mechanism. When the blower mechanism is working, the heated mold steel workpiece can be precooled by blowing air through a fan, and while the blower mechanism is working, the linkage mechanism can be driven, and the two transmission mechanisms can be started synchronously through the linkage mechanism, and one of the transmission mechanisms can indirectly drive the toggle mechanism, so that the transmission component can be indirectly driven through the toggle mechanism to transport the workpiece to be heated and precooled.

[0033] In the present invention, when the limit assembly moves the mold steel workpiece into the heating box or the pre-cooling box, the rotating seat can drive the mold steel workpiece to move and flip through the screw and the threaded barrel under the transmission cooperation of the transmission gear and the transmission rack, so that the mold steel workpiece can be heated and pre-cooled more fully and evenly;

[0034] In the present invention, the distance of the up and down reciprocating movement of the guide rod can be adjusted by adjusting the position of the adjusting block inside the swing frame. Specifically, the screw rod is rotated by the rotating cap, so that the adjusting block moves inside the swing frame, thereby moving the position of the push column, so that when the gear plate rotates, the revolution radius of the push column can be adjusted, so that the reciprocating distance of the swing frame can be adjusted, and then the rotation angle of the connecting shaft on the toggle mechanism can be adjusted, so that the transmission efficiency of the transmission component can be controlled;

[0035] In the present invention, the precooling mechanism also includes a spray mechanism, which can drive the piston plate to move back and forth inside the water frame when the guide rod moves up and down, and can transport the water inside the water frame to the inside of the precooling box through the water outlet pipe, and spray it out through a shower installed at the end of the water outlet pipe, so as to realize air precooling of the workpiece and then water mist precooling of the workpiece, thereby greatly improving the precooling efficiency of the workpiece, realizing layered precooling, avoiding damage caused by sudden cooling of the workpiece, and greatly improving safety and efficiency.

[0036] In the present invention, the motor on the hair dryer mechanism is used as a power device. While the hair dryer mechanism realizes air cooling, it can also realize the effects of water mist pre-cooling after air cooling, transmission of the workpiece by the transmission component, and flipping of the workpiece during transmission. It has strong functionality, high degree of automation, and high use value. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0038] Figure 1 This is a schematic diagram of the three-dimensional structure of a high-toughness die steel strengthening device proposed by the present invention;

[0039] Figure 2 for Figure 1 The enlarged structural diagram at A in the middle;

[0040] Figure 3 This is a schematic diagram of the assembly structure of the pre-cooling mechanism proposed by the present invention;

[0041] Figure 4 This is a schematic diagram of the assembly structure of the blower mechanism and the spray mechanism proposed by the present invention;

[0042] Figure 5 It is a schematic diagram of the assembly of the linkage mechanism proposed by the present invention;

[0043] Figure 6 This is a schematic diagram of the assembly structure of the pinion and middle gear proposed by the present invention;

[0044] Figure 7 This is a schematic diagram of the transmission mechanism structure proposed by the present invention;

[0045] Figure 8 for Figure 5 The enlarged structural diagram at B in the middle;

[0046] Figure 9 This is a schematic diagram of the structural composition of the toggle member proposed in the present invention;

[0047] In the figure:

[0048] 1. Heating box; 11. Side plate; 12. Feeding port; 13. Turning plate;

[0049] 2. Precooling box; 21. Turning partition; 22. Installation cavity; 23. Split groove;

[0050] 3. Precooling mechanism; 31. Transmission mechanism; 311. Gear plate; 312. Fixed block; 313. Guide rod; 314. Push column; 315. Swing frame; 316. Adjustment block; 317. Screw rod; 318. Swing frame; 319. Rotating cap; 32. Toggle mechanism; 321. Moving block; 322. Connecting rod; 323. Arc rod; 324. Arc cavity; 325. Connecting spring; 326. Toggle rod; 327. Toggle piece; 3271. Rotating sleeve; 3272. Telescopic slot; 3273. Reset spring; 3274. Insert block ; 3275, limit ring; 3276, slot; 328, shaft; 33, linkage mechanism; 331, pinion; 332, middle gear; 333, inner gear ring; 334, rotating ring; 335, outer gear ring; 336, hanging plate; 34, hair dryer mechanism; 341, first chain; 342, fan; 343, star frame; 344, first sprocket; 345, motor; 346, frame; 35, spray mechanism; 351, water tank; 352, water inlet pipe; 353, piston plate; 354, water frame; 355, water outlet pipe;

[0051] 4. Die steel workpiece;

[0052] 5. Transmission rack;

[0053] 6. Limiting assembly; 61. Mounting seat; 62. Support frame; 63. Transmission gear; 64. Screw rod; 65. Rotating seat; 66. Threaded barrel;

[0054] 7. Transmission assembly; 71. Roller; 72. Second chain; 73. Second sprocket; 74. Frame; 75. Metal steel mesh conveyor belt. DETAILED DESCRIPTION

[0055] The following will be combined with 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. Example

[0056] See also Figure 1 and Figure 2 A high-toughness mold steel strengthening device includes: a heating box 1 and a precooling box 2 connected to one end of the heating box 1, a transmission component 7 is commonly arranged inside the heating box 1 and the precooling box 2, and a limiting component 6 for clamping the mold steel workpiece 4 is distributed on the transmission component 7.

[0057] Among them, a feed port 12 is provided at one end of the heating box 1, and a flip plate 13 is rotatably connected to the upper side of the feed port 12 through a rotating shaft, and a side plate 11 is fixedly connected to one end of the heating box 1. A flip partition 21 is rotatably connected to the end of the precooling box 2 near the heating box 1 through a rotating shaft, which is used to separate the precooling box 2 and the heating box 1. It should be noted that the mold steel workpiece 4 can be heated inside the heating box 1 by means of distributed electric heating rods, etc., which is an existing mature technology and will not be elaborated here.

[0058] Specifically, the transmission component 7 includes a frame 74, and rollers 71 are rotatably connected to the inner side of the frame 74 at equal intervals. A metal steel mesh conveyor belt 75 is connected between the multiple rollers 71. The rollers 71 located on the outside of the pre-cooling box 2 pass through the outer wall of the frame 74 and are rotatably connected to the side plate 11. A linkage component is provided between each adjacent roller 71. The linkage component includes two second sprockets 73 respectively fixed to the outer walls of the two rollers 71, and a second chain 72 is transmission-connected between the two second sprockets 73.

[0059] Specifically, the limiting assembly 6 includes a mounting base 61 arranged on the outer wall of the metal steel mesh conveyor belt 75, and two support frames 62 are symmetrically arranged on the outer wall of the mounting base 61. Both support frames 62 are rotatably connected with a swivel seat 65, and a plurality of screw rods 64 are fixedly connected to the outer wall of the swivel seat 65. A threaded tube 66 is threadedly sleeved on the outer wall of each screw rod 64. A transmission gear 63 is arranged on one side of one of the support frames 62, and the transmission gear 63 is coaxially fixed with one of the swivel seats 65.

[0060] Furthermore, a transmission rack 5 is fixedly connected to the inner wall of the heating box 1 and the pre-cooling box 2 , and the transmission rack 5 is meshed with a transmission gear 63 located inside the heating box 1 and the pre-cooling box 2 .

[0061] In this embodiment, when one of the second sprockets 73 rotates, the roller 71 rotates indirectly with the cooperation of the second chain 72, and the metal steel mesh conveyor belt 75 is indirectly conveyed, thereby conveying the limit assembly 6. By twisting the threaded barrel 66 on the outside of the screw 64, the mold steel workpiece 4 is clamped and limited by the threaded barrel 66. When the limit assembly 6 moves the mold steel workpiece 4 to the inside of the heating box 1 or the pre-cooling box 2, the rotating seat 65 can drive the mold steel workpiece 4 to move and flip through the screw 64 and the threaded barrel 66 under the transmission cooperation of the transmission gear 63 and the transmission rack 5, so that the mold steel workpiece 4 can be heated and pre-cooled more fully and evenly. Example

[0062] See also Figure 1 and Figure 2 A high-toughness mold steel strengthening device includes all the contents of Example 1. In addition, a precooling mechanism 3 is provided on the precooling box 2, which is used to precool the mold steel workpiece 4 transported to the inner side of the precooling box 2 via the transmission component 7 and the limit component 6.

[0063] Specifically, the precooling mechanism 3 includes: a blower mechanism 34, which is arranged on the top of the precooling box 2 and is used to air cool the mold steel workpiece 4 inside the precooling box 2; a linkage mechanism 33, which is arranged on the lower side of the blower mechanism 34 and can drive the linkage mechanism 33 during the operation of the blower mechanism 34; two transmission mechanisms 31, which are respectively arranged on both sides of the precooling box 2, and when the blower mechanism 34 drives the linkage mechanism 33, the two transmission mechanisms 31 can be synchronously started through the linkage mechanism 33; a toggle mechanism 32, which is arranged on the lower side of one of the transmission mechanisms 31, and can drive the toggle mechanism 32 through the transmission mechanism 31, so that the transmission component 7 can be indirectly driven through the toggle mechanism 32.

[0064] Furthermore, two installation cavities 22 are provided through the top of the pre-cooling box 2, and the blower mechanism 34 includes two star-shaped frames 343 respectively fixed to the inner sides of the two installation cavities 22, the bottoms of the two star-shaped frames 343 are rotatably connected to the fans 342, the tops of the two star-shaped frames 343 are rotatably connected to the first sprockets 344, the first sprockets 344 are coaxially fixed to the fans 342, a first chain 341 is connected between the two first sprockets 344, the bottom end of one of the star-shaped frames 343 is fixed to a frame 346, and a motor 345 for rotating the first sprocket 344 is installed at the top of the frame 346.

[0065] Furthermore, a slit groove 23 is provided on both sides of the precooling box 2, and the linkage mechanism 33 includes a rotating ring 334 rotatably mounted on the inner side of the precooling box 2, an inner gear ring 333 is fixedly connected to the inner side of the rotating ring 334, an outer gear ring 335 is fixedly connected to the outer periphery of the rotating ring 334, and the outer gear ring 335 slides through the inner side of the slit groove 23, a hanging plate 336 is fixedly connected to the inner wall of the precooling box 2, and a middle gear 332 is rotatably connected to the bottom of the hanging plate 336, and a small gear 331 is coaxially fixedly connected to the bottom of the center of the fan 342, and the small gear 331 and the inner gear ring 333 are both meshed with the middle gear 332.

[0066] Specifically, the transmission mechanism 31 includes a gear plate 311 rotatably connected to the outer wall of the precooling box 2, the gear plate 311 meshes with the outer gear ring 335, and a fixed block 312 fixed to the outer wall of the precooling box 2 is provided on the upper and lower sides of the gear plate 311, and a guide rod 313 is slidably sleeved inside the two fixed blocks 312, and a swing frame 315 is fixedly connected to the ends of the two guide rods 313 close to each other, and a push column 314 is slidably sleeved inside the swing frame 315, and an adjustment block 316 is fixedly connected to the end of the push column 314 close to the gear plate 311. A swing frame 318 is fixedly connected at the center of the gear plate 311, and the adjustment block 316 is slidably clamped inside the swing frame 318, and a screw rod 317 is rotatably connected to the inside of the swing frame 318, and the screw rod 317 is threadedly penetrated inside the adjustment block 316, and a rotating cap 319 for rotating the screw rod 317 is provided at the top of the swing frame 318.

[0067] In this embodiment, when working, the power is turned on and the precooling mechanism 3 is started through an external control device. The precooling mechanism 3 drives one of the fans 342 to rotate through its output shaft. Under the joint action of the first sprocket 344 and the first chain 341, the two fans 342 rotate synchronously to blow air to the inside of the precooling box 2.

[0068] In this embodiment, during the rotation of the fan 342, the pinion 331 can be driven to rotate, the pinion 331 drives the middle gear 332 to rotate, the middle gear 332 drives the rotating ring 334 to rotate through the inner gear ring 333, and the rotating ring 334 drives the gear plate 311 to rotate through the outer gear ring 335. The gear plate 311 drives the swing frame 318 to rotate, the swing frame 318 drives the adjustment block 316 to revolve, the adjustment block 316 pushes the swing frame 315 through the push column 314, and under the cooperation of the guide rod 313 and the fixed block 312, the swing frame 315 can drive the guide rod 313 to reciprocate up and down. It should be noted that the distance of the reciprocating movement of the guide rod 313 up and down can be adjusted by adjusting the position of the adjustment block 316 inside the swing frame 318. Specifically, the screw rod 317 is rotated by the rotating cap 319, so that the adjustment block 316 is moved inside the swing frame 318, thereby moving the position of the push column 314, so that when the gear plate 311 rotates, the orbital radius of the push column 314 can be adjusted, thereby adjusting the reciprocating distance of the swing frame 315. Example

[0069] See also Figure 1 and Figure 2 , a high-toughness mold steel strengthening device, including all the contents of Example 2, in addition, the toggle mechanism 32 includes a connecting shaft 328 that rotates and passes through the outer wall of the pre-cooling box 2, one end of the connecting shaft 328 is connected to a toggle rod 326 through a toggle piece 327, and the end of the toggle rod 326 away from the toggle piece 327 is fixedly connected to a connecting rod 322, and one end of the connecting rod 322 is fixedly connected to a moving block 321, and an arc cavity 324 for sliding of the moving block 321 is opened on the outer wall of the pre-cooling box 2, and an arc rod 323 is fixedly connected to the inner side of the arc cavity 324, and the arc rod 323 slides through the inside of the moving block 321, and a connecting spring 325 is sleeved on the outer side of the arc rod 323, and the two ends of the connecting spring 325 are respectively fixed to the end of the moving block 321 and the bottom of the arc cavity 324.

[0070] Furthermore, the toggle member 327 includes a rotating sleeve 3271 sleeved on the outer wall of the connecting shaft 328, the outer wall of the connecting shaft 328 is fixedly sleeved with two limit rings 3275, the limit rings 3275 are slidably sleeved inside the rotating sleeve 3271, a telescopic groove 3272 is opened inside the rotating sleeve 3271, the telescopic groove 3272 is slidably sleeved inside the plug block 3274, a return spring 3273 is connected between the plug block 3274 and the telescopic groove 3272, and the outer wall of the connecting shaft 328 is provided with a ring array of slots 3276 that match the plug block 3274.

[0071] In this embodiment, when one of the guide rods 313 moves downward, the lever 326 can be pressed downward, so that the connecting rod 322 drives the moving block 321 to slide inside the arc cavity 324, compressing the connecting spring 325. When the lever 326 rotates downward, the connecting shaft 328 with the slot 3276 can be rotated clockwise through the rotating sleeve 3271 and the inserting block 3274. When the guide rod 313 moves upward, under the action of the connecting spring 325, the lever 326 rotates upward to reset. At this time, the inserting block 3274 is squeezed by the slot 3276 and retracts to the inside of the telescopic slot 3272 to compress the reset spring 3273, which will not cause the connecting shaft 328 to rotate. In addition, the connecting shaft 328 is fixedly connected to one of the second sprockets 73 , and under the action of the toggle mechanism 32 , each clockwise rotation of the connecting shaft 328 (the rotation amplitude of the connecting shaft 328 can be adjusted according to the downward pressure distance of the guide rod 313 ) can rotate one of the second sprockets 73 . Example

[0072] See also Figure 1 and Figure 2 A high-toughness mold steel strengthening device includes all the contents of Example 3. In addition, the precooling mechanism 3 also includes a spray mechanism 35, and the spray mechanism 35 is arranged on the lower side of another transmission mechanism 31. The spray mechanism 35 is driven by the transmission mechanism 31 so that the spray mechanism 35 can spray toward the inside of the precooling box 2.

[0073] Specifically, the spray mechanism 35 includes a water tank 351 and a water frame 354 arranged on one side of the pre-cooling box 2, a water inlet pipe 352 is connected between the water tank 351 and the water frame 354, a piston plate 353 is provided on the sliding sleeve inside the water frame 354, the top of the piston plate 353 is fixedly connected to the bottom end of the guide rod 313, a water outlet pipe 355 is fixedly connected to one side of the water frame 354, the other end of the water outlet pipe 355 extends to the inside of the pre-cooling box 2, and a shower is connected to the end of the water outlet pipe 355.

[0074] Furthermore, one-way valves are provided at one end of the water inlet pipe 352 and the water outlet pipe 355 close to the water frame 354 .

[0075] In this embodiment, when the guide rod 313 moves up and down reciprocally, it can drive the piston plate 353 to move reciprocally inside the water frame 354. When the piston plate 353 moves upward, the check valve on the water inlet pipe 352 opens, and the check valve on the water outlet pipe 355 closes, enabling the water inside the water tank 351 to be transported into the water frame 354 through the water inlet pipe 352. When the piston plate 353 moves downward, the check valve on the water inlet pipe 352 closes, and the check valve on the water outlet pipe 355 opens. The water inside the water frame 354 will be transported into the pre-cooling box 2 through the water outlet pipe 355 and sprayed out through a shower head (not shown in the figure) installed at the end of the water outlet pipe 355. At this time, the fan 342 at the bottom of the pre-cooling box 2 can cooperate to spray the water mist onto the die steel workpiece 4 pre-cooled by air cooling.

[0076] Working principle and usage process: When working, the power is turned on, and the pre-cooling mechanism 3 is started through an external control device. The pre-cooling mechanism 3 drives one of the fans 342 to rotate through its output shaft. Under the combined action of the first sprocket 344 and the first chain 341, the two fans 342 rotate synchronously to blow air inside the pre-cooling box 2.

[0077] During the rotation of the fan 342, it can drive the small gear 331 to rotate. The small gear 331 drives the middle gear 332 to rotate. The middle gear 332 drives the rotating ring 334 to rotate through the internal gear ring 333. The rotating ring 334 drives the gear disk 311 to rotate through the external gear ring 335. The gear disk 311 drives the swing frame 318 to rotate. The swing frame 318 drives the adjusting block 316 to revolve. The adjusting block 316 pushes the swing frame 315 through the push column 314. With the cooperation of the guide rod 313 and the fixed block 312, the swing frame 315 can drive the guide rod 313 to move up and down reciprocally. It should be noted that the reciprocating movement distance of the guide rod 313 can be adjusted by adjusting the position of the adjusting block 316 inside the swing frame 318. Specifically, by rotating the screw rod 317 through the turning cap 319, the adjusting block 316 moves inside the swing frame 318, so that the position of the push column 314 can be moved. When the gear disk 311 rotates, the revolution radius of the push column 314 can be adjusted, so that the reciprocating movement distance of the swing frame 315 can be adjusted.

[0078] When one of the guide rods 313 moves downward, the lever 326 can be pressed downward, so that the connecting rod 322 drives the moving block 321 to slide inside the arc cavity 324, compressing the connecting spring 325. When the lever 326 rotates downward, the connecting shaft 328 with the slot 3276 can be rotated clockwise through the rotating sleeve 3271 and the inserting block 3274. When the guide rod 313 moves upward, under the action of the connecting spring 325, the lever 326 rotates upward to reset. At this time, the inserting block 3274 is squeezed by the slot 3276 and retracts to the inside of the telescopic slot 3272 to compress the reset spring 3273, which will not cause the connecting shaft 328 to rotate.

[0079] When the other guide rod 313 reciprocates up and down, it can drive the piston plate 353 to reciprocate inside the water frame 354. When the piston plate 353 moves up, the one-way valve on the water inlet pipe 352 opens, and the one-way valve on the water outlet pipe 355 closes, so that the water inside the water tank 351 can be transported to the inside of the water frame 354 through the water inlet pipe 352. When the piston plate 353 moves down, the one-way valve on the water inlet pipe 352 is closed, and the one-way valve on the water outlet pipe 355 is opened, and the water inside the water frame 354 will be transported to the inside of the pre-cooling box 2 through the water outlet pipe 355, and sprayed out through the shower (not shown in the figure) installed at the end of the water outlet pipe 355. At this time, the fan 342 at the bottom of the pre-cooling box 2 can spray water mist onto the mold steel workpiece 4 that has been pre-cooled by air cooling.

[0080] Under the action of the toggle mechanism 32, each clockwise rotation of the connecting shaft 328 (the rotation amplitude of the connecting shaft 328 can be adjusted according to the downward pressure distance of the guide rod 313) can rotate one of the second sprocket wheels 73, and with the cooperation of the second chain 72, the roller 71 is indirectly rotated, and the metal steel mesh conveyor belt 75 is indirectly conveyed, thereby conveying the limit assembly 6. By twisting the threaded barrel 66 on the outside of the screw 64, the mold steel workpiece 4 is clamped and limited by the threaded barrel 66. When the limit assembly 6 moves the mold steel workpiece 4 to the inside of the heating box 1 or the precooling box 2, under the transmission cooperation of the transmission gear 63 and the transmission rack 5, the rotating seat 65 can drive the mold steel workpiece 4 to move and flip through the screw 64 and the threaded barrel 66, so that the mold steel workpiece 4 can be heated and precooled more fully and evenly.

[0081] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. 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 high-toughness die steel strengthening device, comprising: A heating box (1) and a precooling box (2) connected to one end of the heating box (1), wherein a transmission component (7) is provided inside the heating box (1) and the precooling box (2), and a limit component (6) for clamping a mold steel workpiece (4) is distributed on the transmission component (7), and the precooling box (2) is characterized in that a precooling mechanism (3) is provided on the precooling box (2) for precooling the mold steel workpiece (4) transported to the inside of the precooling box (2) via the transmission component (7) and the limit component (6); The precooling mechanism (3) comprises: A blower mechanism (34) is disposed on the top of the precooling box (2) and is used to air cool the mold steel workpiece (4) inside the precooling box (2); A linkage mechanism (33) is arranged on the lower side of the hair dryer mechanism (34) and is capable of driving the linkage mechanism (33) during the operation of the hair dryer mechanism (34); Two transmission mechanisms (31) are respectively arranged on both sides of the precooling box (2); when the blower mechanism (34) drives the linkage mechanism (33), the two transmission mechanisms (31) can be started synchronously through the linkage mechanism (33); A toggle mechanism (32) is arranged on the lower side of one of the transmission mechanisms (31), and the toggle mechanism (32) can be driven by the transmission mechanism (31), so that the transmission component (7) can be indirectly driven by the toggle mechanism (32); A spray mechanism (35) is disposed on the lower side of another transmission mechanism (31), and the spray mechanism (35) is driven by the transmission mechanism (31) so that the spray mechanism (35) can spray toward the inside of the precooling box (2); Two installation cavities (22) are provided through the top of the precooling box (2). The blower mechanism (34) comprises two star-shaped frames (343) respectively fixed to the inner sides of the two installation cavities (22). The bottoms of the two star-shaped frames (343) are rotatably connected to fans (342). The tops of the two star-shaped frames (343) are rotatably connected to first sprockets (344). The first sprockets (344) are coaxially fixed to the fans (342). A first chain (341) is connected between the two first sprockets (344). The bottom end of one of the star-shaped frames (343) is fixed to a frame (346). A motor (345) for rotating the first sprocket (344) is installed at the top of the frame (346).

2. A high toughness die steel strengthening device according to claim 1, characterized in that: A split groove (23) is provided on both sides of the precooling box (2). The linkage mechanism (33) comprises a rotating ring (334) rotatably sleeved on the inner side of the precooling box (2). An inner gear ring (333) is fixedly connected to the inner side of the rotating ring (334). An outer gear ring (335) is fixedly connected to the outer periphery of the rotating ring (334). The outer gear ring (335) slides through the inner side of the split groove (23). A hanging plate (336) is fixedly connected to the inner wall of the precooling box (2). A middle gear (332) is rotatably connected to the bottom of the hanging plate (336). A pinion gear (331) is coaxially fixedly connected to the bottom of the center of the fan (342). The pinion gear (331) and the inner gear ring (333) are both meshed with the middle gear (332).

3. A high toughness die steel strengthening device according to claim 2, characterized in that: The transmission mechanism (31) comprises a gear plate (311) rotatably connected to the outer wall of the precooling box (2), the gear plate (311) meshing with the outer gear ring (335), a fixing block (312) fixed to the outer wall of the precooling box (2) is provided on the upper and lower sides of the gear plate (311), guide rods (313) are slidably sleeved inside the two fixing blocks (312), a swing frame (315) is fixedly connected to the two ends of the two guide rods (313) close to each other, a push column (314) is slidably sleeved inside the swing frame (315), and an adjustment block (316) is fixedly connected to the push column (314) at one end close to the gear plate (311); A swing frame (318) is fixedly connected at the center of the gear plate (311); the adjustment block (316) is slidably clamped inside the swing frame (318); a screw rod (317) is rotatably connected inside the swing frame (318); the screw rod (317) is threadedly inserted into the adjustment block (316); and a rotating cap (319) for rotating the screw rod (317) is arranged at the top end of the swing frame (318).

4. A high toughness die steel strengthening device according to claim 3, characterized in that: The toggle mechanism (32) comprises a connecting shaft (328) rotatably passing through the outer wall of the precooling box (2); one end of the connecting shaft (328) is connected to a toggle rod (326) via a toggle member (327); one end of the toggle rod (326) away from the toggle member (327) is fixedly connected to a connecting rod (322); one end of the connecting rod (322) is fixedly connected to a moving block (321); an arc-shaped cavity (324) for sliding of the moving block (321) is provided on the outer wall of the precooling box (2); an arc-shaped rod (323) is fixedly connected inside the arc-shaped cavity (324); the arc-shaped rod (323) slidably passes through the inside of the moving block (321); a connecting spring (325) is sleeved outside the arc-shaped rod (323); two ends of the connecting spring (325) are respectively fixedly connected to an end of the moving block (321) and a bottom of the arc-shaped cavity (324).

5. A high toughness die steel strengthening device according to claim 4, characterized in that: The toggle member (327) comprises a rotating sleeve (3271) sleeved on the outer wall of the connecting shaft (328); the outer wall of the connecting shaft (328) is fixedly sleeved with two limit rings (3275); the limit rings (3275) are slidably sleeved inside the rotating sleeve (3271); a telescopic groove (3272) is provided inside the rotating sleeve (3271); an insert block (3274) is slidably sleeved inside the telescopic groove (3272); a return spring (3273) is connected between the insert block (3274) and the telescopic groove (3272); and a slot (3276) matching the insert block (3274) is provided in a ring array on the outer wall of the connecting shaft (328).

6. A high toughness die steel strengthening device according to claim 5, characterized in that: The spray mechanism (35) comprises a water tank (351) and a water frame (354) which are arranged on one side of the precooling box (2); a water inlet pipe (352) is connected between the water tank (351) and the water frame (354); a piston plate (353) is provided in a sliding sleeve inside the water frame (354); the top end of the piston plate (353) is fixedly connected to the bottom end of the guide rod (313); a water outlet pipe (355) is fixedly connected to one side of the water frame (354); the other end of the water outlet pipe (355) extends into the interior of the precooling box (2); and a shower head is connected to the end of the water outlet pipe (355); One-way valves are provided at one end of the water inlet pipe (352) and the water outlet pipe (355) close to the water frame (354).

7. A high toughness die steel strengthening device according to claim 6, characterized in that: A feed port (12) is provided at one end of the heating box (1), a flip plate (13) is rotatably connected to the upper side of the feed port (12) via a rotating shaft, and a side plate (11) is fixedly connected to one end of the heating box (1); The transmission assembly (7) comprises a frame (74), rollers (71) are rotatably connected to the inner side of the frame (74) at equal intervals, a metal steel mesh conveyor belt (75) is connected between the plurality of rollers (71), the rollers (71) located outside the precooling box (2) penetrate the outer wall of the frame (74) and are rotatably connected to the side plate (11), a linkage component is provided between two adjacent rollers (71), the linkage component comprises two second sprocket wheels (73) respectively fixed to the outer walls of the two rollers (71), and a second chain (72) is transmission-connected between the two second sprocket wheels (73); The connecting shaft (328) is fixedly connected to one of the second sprockets (73).

8. A high toughness die steel strengthening device according to claim 7, characterized in that: The limiting assembly (6) comprises a mounting seat (61) arranged on the outer wall of the metal steel mesh conveyor belt (75), the outer wall of the mounting seat (61) is symmetrically provided with two support frames (62), and a rotating seat (65) is rotatably connected to the two support frames (62), and a plurality of screw rods (64) are fixedly connected to the outer wall of the rotating seat (65), and a threaded sleeve (66) is threadedly sleeved on the outer wall of each screw rod (64), and a transmission gear (63) is arranged on one side of one of the support frames (62), and the transmission gear (63) is coaxially fixed to one of the rotating seats (65).

9. A high toughness die steel strengthening device according to claim 8, characterized in that: A transmission rack (5) is fixedly connected to the inner wall of the heating box (1) and the pre-cooling box (2), and the transmission rack (5) is meshed with a transmission gear (63) located inside the heating box (1) and the pre-cooling box (2); One end of the pre-cooling box (2) close to the heating box (1) is rotatably connected to a flip partition (21) via a rotating shaft, and is used to separate the interior of the pre-cooling box (2) and the heating box (1).

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