Universal joint casting device with automatic pressurizing function

By integrating the technical means of automatic pressurization and uniform shaking on the universal joint casting machine tool, the difficulties in ensuring density, toughness and hardness and cavity problems in the existing universal joint casting technology are solved, and higher quality universal joint casting is achieved.

CN119772138AInactive Publication Date: 2025-04-08JIANGSU ASIAN STAR ANCHOR CHAIN
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Patent Information

Application Number
CN202411731012.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-04-08
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing universal joint casting technology is difficult to ensure the density, toughness and hardness of the cast universal joints, and cavity problems are prone to occur.

Method used

A universal joint casting device with automatic pressurization function is designed. By setting up an injection box, a casting track, a casting mold, a swing rack and an integration box on the casting machine tool, a swing motor, a heating sheet, a temperature measuring sensor and a hydraulic system, uniform mixing and shaping of the casting raw materials is achieved to avoid the generation of cavity.

Benefits of technology

Through the technical means of automatic pressurization and uniform shaking, the density, toughness and hardness of the universal joint are significantly improved, the occurrence of cavity problems is reduced, and the yield rate is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a universal joint casting device with an automatic pressurizing function, and relates to the technical field of casting equipment. A casting machine tool is provided with an injection box and a casting track, the injection box is in sliding connection with the casting track, the casting machine tool is provided with a casting mold, and the casting mold is in sliding connection with the casting machine tool; the casting mold is in intermittent sliding contact with the injection box, a swing frame is arranged on the casting machine tool and rotationally connected with the casting machine tool, a swing box is arranged on the casting machine tool, the output end of the swing box is connected with the swing frame, an integration box is arranged on the casting machine tool, and the swing box, the injection box and the casting mold are electrically connected with the integration box through wires. The casting machine tool is provided with a heat preservation box, the heat preservation box is provided with an access door, and the casting machine tool has the functions of automatic temperature sensing and automatic pressurization during casting.
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Description

Technical Field

[0001] The invention relates to the technical field of casting equipment, in particular to a universal joint casting device with an automatic pressurizing function. Background Art

[0002] Universal joint, a universal joint, is a component that realizes variable-angle power transmission. It is used in positions where the direction of the transmission axis needs to be changed. The universal joint is combined with the transmission shaft, and can also be coordinated with the coupling to achieve multi-angle transmission. It can meet the needs of power transmission, steering, and the up and down jumping caused by the operation of some large equipment. Usually, the universal joint is not a single part, but multiple groups of universal joints work together to achieve more stable power transmission.

[0003] Therefore, the production of universal joints is usually very important. Usually, universal joints are produced by casting. For example, Chinese utility model patent CN220092960U discloses a universal joint casting mold, a universal joint casting mold. When in use, the mold can be tightly fitted between the first extrusion components, and then the casting upper core is used to fit the first lower core and the second lower core together before injection molding. During the injection molding process, the gap between the first lower core and the second lower core can be reduced, so that the surface of the cast universal joint is smooth. However, the density, toughness and hardness of the universal joint produced in this way are difficult to guarantee, and the problem of cavity is very likely to occur. This problem needs to be paid attention to and solved. Summary of the invention

[0004] The object of the present invention is to provide a universal joint casting device with an automatic pressurizing function to solve the problems raised in the prior art.

[0005] To achieve the above object, the present invention provides the following technical solutions: The casting machine is provided with an injection box and a casting track, the injection box and the casting track are slidably connected, the casting machine is provided with a casting mold, the casting mold and the casting machine are slidably connected, the casting mold and the injection box are intermittently in sliding contact, the casting machine is provided with a swing frame, the swing frame is rotationally connected to the casting machine, the casting machine is provided with a swing box, the output end of the swing box is connected to the swing frame, the casting machine is provided with an integration box, the swing box, the injection box, and the casting mold are electrically connected to the integration box through a wire, the casting machine is provided with an insulation box, and the insulation box is provided with an inspection door. During the casting process, the casting stock solution is sent into the injection box, the injection box will move on the casting track, move to the vicinity of the casting mold, and send the output end of the injection box into the casting mold. During the injection, the swing box drives the swing frame to rotate, so that the casting mold can be shaken, so that the casting stock solution is more uniform. After the injection is completed, the casting mold will shape the casting stock solution. After the shaping is completed, the universal joint parts are discharged from the equipment. During casting, the inspection door can be opened to inspect it, and the integration box performs program control.

[0006] An injection port is provided in the casting machine tool, and a closed spiral rod is provided on the injection port, which is rotatably connected to the injection port. An injection motor is provided on the injection port, and an output box is provided on the output end of the injection motor, which is connected to the closed spiral rod through a connecting rod. An injection pipe is provided on the injection port, which is connected to the injection box. An injection switch is provided on the injection port. When the injection switch contacts the injection box connection port, the injection switch will be triggered, and the injection motor will be started at this time. The injection motor drives the closed spiral rod to rotate through the connecting rod, and the thread on the closed spiral rod will fully mix the casting stock solution and send it into the injection pipe, and the injection pipe will send the casting stock solution into the injection box.

[0007] The injection box includes a storage box, which is provided with multiple heating plates. A temperature sensor is provided in the storage box. The temperature sensor and the heating plate are electrically connected to the integration box through wires. A swing motor is provided on the injection box, and a moving gear is provided on the output end of the swing motor. Teeth are provided in the casting track, and the moving gear meshes with the teeth on the casting track. A limiting bar is provided on the storage box, and the limiting bar is embedded in the casting track and is slidably connected with the casting track. When the casting raw material is fed into the storage box, in order to ensure the activity of the casting raw material in the storage box, the heating plate needs to work continuously to ensure the temperature in the storage box, and then the swing motor is started, and the swing motor drives the moving gear to move. The limiting bar limits the posture of the storage box, and the moving gear moves on the casting track. At this time, the storage box will gradually approach the casting mold.

[0008] An injection cavity is provided in the injection box. The injection cavity is a wedge-shaped channel. A sliding plate is provided in the injection cavity. A pressure plate is provided on the sliding plate. The pressure plate is slidably connected to the injection cavity. A telescopic hydraulic rod is provided on the casting machine. The output end of the telescopic hydraulic rod is connected to the pressure plate. A blocking edge is provided on the side of the pressure plate close to the output end of the storage box. When casting, the telescopic hydraulic rod will drive the pressure plate to move in the injection cavity to squeeze the casting raw materials and avoid the problem of adhesion of the raw materials. The blocking edge ensures the casting pressure and reduces the problem of overflow of the casting raw materials. It can also block bubbles and the like to deliver the casting raw materials into the casting mold.

[0009] The casting mold includes a casting upper mold and a casting lower mold. The casting lower mold is provided with a supporting column. The casting upper mold is sleeved on the supporting column and is slidably connected to the supporting column. The casting lower mold is slidably connected to the casting machine tool. A swing track is provided at the bottom of the casting lower mold. The swing frame is embedded in the swing track and is slidably connected to the swing track. A casting cavity is provided on the side of the casting lower mold close to the casting upper mold. During the casting process, in order to ensure that there will be no cavity problem when the casting raw material is injected, the casting upper mold and the casting lower mold are separated from each other, and then the casting upper mold is gradually lowered. After waiting for a closed chamber to be formed between the casting upper mold and the casting lower mold, the closing operation is completed, and the raw material injection operation is performed. The supporting column has the effect of limiting movement, and the casting raw material will enter the casting cavity. Through the swing frame, the casting lower mold and the casting upper mold can be shaken synchronously.

[0010] The casting machine tool is provided with a closed oil cylinder, a closed platform is provided on the casting upper mold, the closed platform is slidably connected to the casting upper mold, a pressure spring is provided between the closed platform and the casting upper mold, pressure racks are provided on both sides of the casting lower mold, a one-way arm is provided on the casting upper mold, the one-way arm is fixedly connected to the closed platform, the one-way arm is rotatably connected to the one-way gear, the one-way arm is a double-section rotating structure, the one-way arm close to the one-way gear can rotate under the action of the rotating shaft, the rotating shaft adopts the structure of an electric shaft, the one-way gear is meshed with the pressure rack, the closed oil cylinder drives the casting upper mold to move on the casting lower mold, the closed platform plays the role of transmitting power, the pressure spring realizes buffering, and also adapts to the swing of the casting upper mold and the casting lower mold. In order to avoid the problem of separation during shaking, the one-way gear on the one-way arm will be locked on the pressure rack, so that the casting upper mold and the casting lower mold are tightly fitted together.

[0011] A separation column is provided in the casting cavity, the separation column is rotationally connected to the casting cavity, a boosting thread is provided on the separation column, a transmission column is provided in the casting lower mold, the transmission column and the separation column are connected by a thermal insulation column, the transmission column is provided on the output end of the separation motor, a temperature sensing cover is provided in the casting lower mold, a plurality of temperature measuring plates are provided in the temperature sensing cover, each temperature measuring plate is electrically connected to the integration box, the separation motor is electrically connected to the integration box through a wire, after the casting raw material enters the casting cavity, the separation column is driven by the separation motor to rotate, the thermal insulation column blocks heat transfer, reduces the influence of the heat of the casting raw material on the separation motor, and the temperature measuring plate senses the temperature change, and pressurizes the casting raw material at this time, which can not only avoid the influence on the activity of the raw material, but also make the casting raw material more uniform during molding, and the separation column ensures the smoothness of the inner wall of the universal joint, and can also indirectly play the effect of pressurized grinding, thereby improving the yield rate.

[0012] The casting upper mold is provided with a feed port, a blocking block is provided on the feed port, the blocking block is slidably connected to the feed port, a pressurizing column is provided on the closing table, an extrusion shaping block is slidably connected in the casting upper mold, the extrusion shaping block is in sliding contact with the pressurizing block, a differential ring is rotatably connected in the extrusion shaping block, a wave groove is provided at the bottom end of the differential ring, a traction weight is provided in the casting upper mold, and the traction weight is connected to the differential ring through a guide rod. When injecting material, the pressurizing column at the injection port is pushed open by the storage box, and the casting raw material will enter the casting upper mold from the storage box. When the pressurizing column has not completely fallen, the spring will support the blocking block, and the casting raw material where the blocking block is located will pass through At this time, the channel is connected to the casting chamber, and under the action of the pressure spring, the casting upper mold and the casting lower mold will be closed first. After the closing is completed, the pressure spring continues to be compressed, and under the action of the casting lower mold, the pressure column will continue to move in the casting upper mold. At this time, the pressure column will push the blocking block back, so that the channel of the casting raw material is completely cut off by the blocking block to prevent overflow. While waiting for finalization, the closed oil cylinder drives the pressure finalization block to move and gradually pressurizes the casting raw material. When the casting upper mold and the casting lower mold are swinging, the wave groove rotates under the action of the traction weight to reduce the burr problem at the joint.

[0013] A shaking motor is arranged in the swing box, and a swing wheel is arranged on the output end of the shaking motor. The swing wheel is rotationally connected with the swing box, and the swing frame is embedded in the swing box and rotationally connected with the swing box. The swing wheel is connected with the swing frame through a pulley. During the casting process and when the casting raw material is injected, the shaking motor will drive the swing wheel to rotate, and the swing frame will also rotate under the transmission of the pulley, so that the casting mold can be shaken, so that the casting raw materials can be mixed more fully, thereby making the shaping of the casting raw materials more uniform.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention adopts an automatic locking structural component, and realizes the locking between the casting molds through a one-way gear structure. At the same time, the internal wave groove cooperates with the differential ring, and the casting mold itself swings to correct the joints of the casting workpiece, so that the casting raw materials at the joints surge more fully and reduce the generation of casting burrs.

[0015] 2. The present invention adopts a structural component with automatic temperature sensing. By sensing the temperature, the pressure in the casting mold is adjusted, and the pressure is applied to the casting workpiece, thereby making the casting workpiece tighter. At the same time, the use of temperature sensing and pressurization can avoid the cracking problem caused by the large temperature difference in the casting mold during shaping.

[0016] 3. The present invention adopts a structural component with temperature-sensitive acceleration. Through the continuous rotation of the inside of the casting workpiece, the inside of the casting workpiece can be made smoother, and the casting raw materials can be continuously surged to reduce the problem of air cavities. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a partial cross-sectional structural schematic diagram of the heat preservation box of the present invention; Figure 3 It is a schematic diagram of the internal structure of the injection port of the present invention; Figure 4 It is a schematic diagram of the internal structure of the storage box of the present invention; Figure 5 It is a schematic diagram of the structure of the matching relationship between the casting mold and the swing box of the present invention; Figure 6 for Figure 5 The structural schematic diagram of A is partially enlarged in the middle; Figure 7 It is a schematic diagram of the cross-sectional structure of the casting upper mold of the present invention; Figure 8 for Figure 7 Schematic diagram of the structure of B with a partial enlargement in the middle.

[0018] In the figure: 1. casting machine; 101. injection port; 102. closed screw rod; 103. injection motor; 104. output box; 2. injection box; 201. injection switch; 202. storage box; 203. heating plate; 204. temperature sensor; 205. swing motor; 206. moving gear; 207. limit bar; 208. injection cavity; 209. sliding plate; 210. pressure plate; 211. telescopic hydraulic rod; 212. blocking edge; 3. casting track; 4. casting mold; 401. casting upper mold; 402. casting lower mold; 403. support column; 404. swing track; 40 5. Casting cavity; 406. Closing cylinder; 407. Closing table; 408. Pressurized spring; 409. Pressurized rack; 410. One-way arm; 411. One-way gear; 412. Separation column; 413. Transmission column; 414. Insulation column; 415. Separation motor; 416. Temperature sensing cover; 417. Temperature measuring sheet; 418. Blocking block; 419. Pressurized column; 420. Extrusion shaping block; 421. Differential ring; 422. Wave groove; 423. Traction weight; 5. Swing frame; 6. Swing box; 601. Shaking motor; 602. Swing wheel; 7. Integration box; 8. Insulation box; 9. Inspection door. DETAILED DESCRIPTION

[0019] 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.

[0020] Example: Figure 1-Figure 8As shown, the present invention provides a technical solution, the casting machine 1 is provided with an injection box 2 and a casting track 3, the injection box 2 and the casting track 3 are slidably connected, the casting machine 1 is provided with a casting mold 4, the casting mold 4 is slidably connected to the casting machine 1, the casting mold 4 is intermittently in sliding contact with the injection box 2, the casting machine 1 is provided with a swing frame 5, the swing frame 5 is rotatably connected to the casting machine 1, the casting machine 1 is provided with a swing box 6, the output end of the swing box 6 is connected to the swing frame 5, the casting machine 1 is provided with an integration box 7, the swing box 6, the injection box 2, and the casting mold 4 are electrically connected to the integration box 7 through a wire, and the casting machine 1 is provided with The insulation box 8 is provided with an inspection door 9. During the casting process, the casting liquid is fed into the injection box 2, and the injection box 2 will move on the casting track 3 to the vicinity of the casting mold 4, and the output end of the injection box 2 is fed into the casting mold 4. During the injection, the swing box 6 drives the swing frame 5 to rotate, so that the casting mold 4 can be shaken to make the casting liquid more uniform. After the injection is completed, the casting mold 4 will shape the casting liquid. After the shaping is completed, the universal joint parts are discharged from the equipment. During the casting, the inspection door 9 can be opened for inspection, and the integration box 7 performs program control.

[0021] An injection port 101 is provided in the casting machine tool 1, and a closed screw rod 102 is provided on the injection port 101, and the closed screw rod 102 is rotatably connected to the injection port 101. An injection motor 103 is provided on the injection port 101, and an output box 104 is provided on the output end of the injection motor 103, and the output box 104 is connected to the closed screw rod 102 through a connecting rod. An injection pipe is provided on the injection port 101, and the injection pipe is connected to the injection box 2. An injection switch 201 is provided on the injection port. When the injection switch 201 contacts the connection port of the injection box 2, the injection switch 201 will be triggered, and the injection motor 103 will be started at this time. The injection motor 103 drives the closed screw rod 102 to rotate through the connecting rod, and the thread on the closed screw rod 102 fully mixes the casting stock solution and sends it into the injection pipe, and the injection pipe will send the casting stock solution into the injection box 2.

[0022] The injection box 2 includes a storage box 202, on which a plurality of heating plates 203 are arranged, a temperature sensor 204 is arranged in the storage box 202, and the temperature sensor 204 and the heating plates 203 are electrically connected to the integration box 7 through wires, a swing motor 205 is arranged on the injection box 2, and a moving gear 206 is arranged on the output end of the swing motor 205, and teeth are arranged in the casting track 3, and the moving gear 206 meshes with the teeth on the casting track 3, and a limiting bar 207 is arranged on the storage box 202, and the limiting bar 207 is embedded in the Into the casting track 3 and slidingly connected with the casting track 3, when the casting raw material is fed into the storage box 202, in order to ensure the activity of the casting raw material in the storage box 202, the heating plate 203 needs to work continuously to ensure the temperature in the storage box 202, and then start the swing motor 205, the swing motor 205 drives the moving gear 206 to move, the limiting bar 207 limits the posture of the storage box 202, and the moving gear 206 moves on the casting track 3. At this time, the storage box 202 will gradually approach the casting mold 4.

[0023] An injection chamber 208 is provided in the injection box 2. The injection chamber 208 is a wedge-shaped channel. A sliding plate 209 is provided in the injection chamber 208. A pressure plate 210 is provided on the sliding plate 209. The pressure plate 210 is slidably connected to the injection chamber 208. A telescopic hydraulic rod 211 is provided on the casting machine 1. The output end of the telescopic hydraulic rod 211 is connected to the pressure plate 210. A blocking edge 212 is provided on the side of the pressure plate 210 close to the output end of the storage box 202. When casting, the telescopic hydraulic rod 211 will drive the pressure plate 210 to move in the injection chamber 208 to squeeze the casting raw materials and avoid the problem of adhesion of the raw materials. The blocking edge 212 ensures the casting pressure and reduces the problem of overflow of the casting raw materials. At the same time, it can also block bubbles and the like to deliver the casting raw materials into the casting mold 4.

[0024] The casting mold 4 includes a casting upper mold 401 and a casting lower mold 402. The casting lower mold 402 is provided with a support column 403. The casting upper mold 401 is sleeved on the support column 403 and is slidably connected to the support column 403. The casting lower mold 402 is slidably connected to the casting machine 1. The bottom end of the casting lower mold 402 is provided with a swing track 404. The swing frame 5 is embedded in the swing track 404 and is slidably connected to the swing track 404. The casting lower mold 402 is provided with a casting cavity 405 on the side close to the casting upper mold 401. During the process, in order to ensure that there will be no cavity problem when the casting raw material is injected, the casting upper mold 401 and the casting lower mold 402 are separated from each other, and then the casting upper mold 401 gradually descends, and after waiting for a closed chamber to be formed between the casting upper mold 401 and the casting lower mold 402, the sealing operation is completed, and the raw material injection operation is carried out. The support column 403 has the effect of limiting movement, and the casting raw material will enter the casting cavity 405. Through the swing frame 5, the casting lower mold 402 and the casting upper mold 401 can be shaken synchronously.

[0025] The casting machine 1 is provided with a closed oil cylinder 406, the casting upper mold 401 is provided with a closed platform 407, the closed platform 407 is slidably connected to the casting upper mold 401, a pressure spring 408 is provided between the closed platform 407 and the casting upper mold 401, and pressure racks 409 are respectively provided on both sides of the casting lower mold 402. A one-way arm 410 is provided on the casting upper mold 401, and the one-way arm 410 is fixedly connected to the closed platform 407. The one-way gear 411 is rotatably connected to the one-way arm 410. The one-way arm 410 is a double-section rotating structure, and the one-way arm near the one-way gear 411 can be rotated on the rotating shaft. The one-way arm 410 rotates under the action of the one-way gear 411, which adopts the structure of the electric shaft. The one-way gear 411 is meshed with the pressure rack 409. The closed oil cylinder 406 drives the casting upper mold 401 to move on the casting lower mold 402. The closed platform 407 plays the role of transmitting power. The pressure spring 408 realizes buffering and also adapts to the swing of the casting upper mold 401 and the casting lower mold 402. In order to avoid the problem of separation during shaking, the one-way gear 411 on the one-way arm 410 will be locked on the pressure rack 409, so that the casting upper mold 401 and the casting lower mold 402 are tightly fitted together.

[0026] A separation column 412 is provided in the casting cavity 405, and the separation column 412 is rotatably connected to the casting cavity 405. A pressurizing thread is provided on the separation column 412. A transmission column 413 is provided in the casting lower mold 402. The transmission column 413 is connected to the separation column 412 through a temperature insulating column 414. The transmission column 413 is provided on the output end of the separation motor 415. A temperature sensing cover 416 is provided in the casting lower mold 402. A plurality of temperature measuring sheets 417 are provided in the temperature sensing cover 416. Each temperature measuring sheet 417 is electrically connected to the integration box 7. The separation motor 415 is connected to the integration box 7 through a wire. Box 7 is electrically connected. After the casting raw material enters the casting cavity 405, the separation column 412 rotates driven by the separation motor 415. The insulation column 414 blocks heat transfer and reduces the influence of the heat of the casting raw material on the separation motor 415. The temperature measuring piece 417 senses the temperature change. At this time, the casting raw material is pressurized, which can not only avoid the influence on the activity of the raw material, but also make the casting raw material more uniform during molding. The separation column 412 ensures the smoothness of the inner wall of the universal joint, and can also indirectly play the role of pressurized grinding to improve the yield.

[0027] The casting upper mold 401 is provided with a feed port, and a blocking block 418 is provided on the feed port, and the blocking block 418 is slidably connected to the feed port, and a pressurizing column 419 is provided on the closing platform 407. An extrusion shaping block 420 is slidably connected in the casting upper mold 401, and the extrusion shaping block 420 is in sliding contact with the pressurizing block, and a differential ring 421 is rotatably connected in the extrusion shaping block 420, and a wave groove 422 is provided at the bottom end of the differential ring 421. A traction weight 423 is provided in the casting upper mold 401, and the traction weight 423 is connected to the differential ring 421 through a guide rod. When injecting material, the pressurizing column 419 at the injection port is pushed open by the storage box 202, and the casting raw material will enter the casting upper mold 401 from the storage box 202. When the pressurizing column 419 has not completely fallen, the spring will support the blocking block 418 to block the pressure column 419. The casting raw material channel where the block 418 is located is connected to the casting chamber at this time, and under the action of the pressure spring 408, the casting upper mold 401 and the casting lower mold 402 will be closed first. After the closing is completed, the pressure spring 408 continues to be compressed, and under the action of the casting lower mold 402, the pressure column 419 will continue to move in the casting upper mold 401. At this time, the pressure column 419 will push the blocking block 419 back, so that the channel of the casting raw material is completely cut off by the blocking block to prevent overflow and wait for shaping. When shaping, the closed oil cylinder 406 drives the pressure shaping block to move and gradually pressurizes the casting raw material. When the casting upper mold 401 and the casting lower mold 402 are swinging, the wave groove 422 rotates under the action of the traction weight 423 to reduce the burr problem at the joint.

[0028] A shaking motor 601 is arranged in the swing box 6, and a swing wheel is arranged on the output end of the shaking motor 601. The swing wheel is rotationally connected to the swing box 6. The swing frame 5 is embedded in the swing box 6 and rotationally connected to the swing box 6. The swing wheel 602 is connected to the swing frame 5 through a pulley. During the casting process and when the casting raw material is injected, the shaking motor 601 will drive the swing wheel 602 to rotate. Under the transmission of the pulley, the swing frame 5 will also rotate, so that the casting mold 4 can be shaken, so that the casting raw materials are mixed more fully, and the shaping of the casting raw materials is also made more uniform.

[0029] Working principle: First, the casting stock solution is sent into the injection port 101, and the injection motor 103 drives the closed screw rod 102 to rotate through the connecting rod. The thread on the closed screw rod 102 mixes the casting stock solution thoroughly and sends it into the injection pipe. The injection pipe will send the casting stock solution into the injection box 2, and the swing motor 205 drives the moving gear 206 to move, so that the injection box 2 moves on the casting track 3, moves to the vicinity of the casting mold 4, and sends the output end in the injection box 2 into the casting mold 4, and the closed oil cylinder 406 raises the casting upper mold to discharge the excess gas inside, and the closed oil cylinder 406 slowly lowers the casting upper mold 401, and the one-way gear 411 is engaged with the extrusion rack 409 to lock the casting upper mold 401 and the casting lower mold 402, and wait for the casting upper mold 401 and the casting lower mold 4 After a closed chamber is formed between 02, the operation of injecting the casting raw material is carried out. During the injection process, the shaking motor 601 in the swing box 6 will drive the swing wheel 602 to rotate. Under the transmission of the pulley, the swing frame 5 will also rotate, so that the casting mold 4 can shake, making the casting stock liquid more uniform. During the shaping process, the temperature measuring piece 417 in the temperature sensing cover 416 senses the temperature change, adjusts the pressure of the closed cylinder 406, and also adjusts the speed of the separation motor 415. The lower the temperature, the higher the speed of the separation motor 415. At the same time, the pressure of the closed cylinder 406 gradually decreases until the temperature reaches the shaping temperature. At this time, the closed cylinder 406 no longer continues to pressurize but maintains it. After the shaping is completed, the universal joint parts are discharged from the equipment, and the integration box 7 is responsible for program control.

[0030] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A universal joint casting device with automatic pressurization function, comprising a casting machine tool (1), characterized in that: The casting machine (1) is provided with an injection box (2) and a casting track (3), the injection box (2) and the casting track (3) are slidably connected, the casting machine (1) is provided with a casting mold (4), the casting mold (4) is slidably connected to the casting machine (1), the casting mold (4) and the injection box (2) are in intermittent sliding contact, the casting machine (1) is provided with a swing frame (5), the swing frame (5) is rotatably connected to the casting machine (1), the casting machine (1) is provided with a swing box (6), the output end of the swing box (6) is connected to the swing frame (5), the casting machine (1) is provided with an integration box (7), the swing box (6), the injection box (2), and the casting mold (4) are electrically connected to the integration box (7) through a wire, and the casting machine (1) is provided with an insulation box (8), and the insulation box (8) is provided with an inspection door (9); A universal joint casting device with automatic pressurization function according to claim 1, characterized in that: the casting mold (4) comprises a casting upper mold (401) and a casting lower mold (402), the casting lower mold (402) is provided with a support column (403), the casting upper mold (401) is sleeved on the support column (403) and is slidably connected to the support column (403), the casting lower mold (402) is slidably connected to the casting machine tool (1), a swing track (404) is provided at the bottom end of the casting lower mold (402), the swing frame (5) is embedded in the swing track (404) and is slidably connected to the swing track (404), and a casting cavity (405) is provided on the side of the casting lower mold (402) close to the casting upper mold (401); The casting machine tool (1) is provided with a closed oil cylinder (406), the casting upper mold (401) is provided with a closed platform (407), the closed platform (407) is slidably connected to the casting upper mold (401), a pressure spring (408) is provided between the closed platform (407) and the casting upper mold (401), pressure racks (409) are respectively provided on both sides of the casting lower mold (402), a one-way arm (410) is provided on the casting upper mold (401), the one-way arm (410) is fixedly connected to the closed platform (407), a one-way gear (411) is rotatably connected to the one-way arm (410), and the one-way gear (411) is meshed with the pressure rack (409); A separation column (412) is arranged in the casting cavity (405), the separation column (412) is rotationally connected to the casting cavity (405), a boosting thread is arranged on the separation column (412), a transmission column (413) is arranged in the casting lower mold (402), the transmission column (413) and the separation column (412) are connected via a thermal insulation column (414), the transmission column (413) is arranged on the output end of the separation motor (415), a temperature sensing cover (416) is arranged in the casting lower mold (402), a plurality of temperature measuring plates (417) are arranged in the temperature sensing cover (416), each of the temperature measuring plates (417) is electrically connected to the integration box (7), and the separation motor (415) is electrically connected to the integration box (7) via a wire.

2. The universal joint casting device with automatic pressurization function according to claim 1 is characterized in that: The casting machine (1) is provided with an injection port (101), the injection port (101) is provided with a closed spiral rod (102), the closed spiral rod (102) is rotatably connected to the injection port (101), the injection port (101) is provided with an injection motor (103), an output box (104) is provided at the output end of the injection motor (103), the output box (104) is connected to the closed spiral rod (102) via a connecting rod, the injection port (101) is provided with an injection pipe, the injection pipe is connected to the injection box (2), and the injection port (101) is provided with an injection switch (201).

3. The universal joint casting device with automatic pressurization function according to claim 1, characterized in that: The injection box (2) comprises a storage box (202), a plurality of heating plates (203) are arranged on the storage box (202), a temperature sensor (204) is arranged in the storage box (202), the temperature sensor (204) and the heating plates (203) are electrically connected to the integration box (7) via wires, a swing motor (205) is arranged on the injection box (2), a moving gear (206) is arranged on the output end of the swing motor (205), teeth are arranged in the casting track (3), the moving gear (206) meshes with the teeth on the casting track (3), and a limiting strip (207) is arranged on the storage box (202), the limiting strip (207) is embedded in the casting track (3) and is slidably connected to the casting track (3).

4. The universal joint casting device with automatic pressurization function according to claim 3 is characterized in that: The injection box (2) is provided with an injection cavity (208), the injection cavity (208) is a wedge-shaped channel, a sliding plate (209) is provided in the injection cavity (208), a pressure plate (210) is provided on the sliding plate (209), the pressure plate (210) is slidably connected to the injection cavity (208), a telescopic hydraulic rod (211) is provided on the casting machine (1), the output end of the telescopic hydraulic rod (211) is connected to the pressure plate (210), and a blocking edge (212) is provided on the side of the pressure plate (210) close to the output end of the storage box (202).

5. The universal joint casting device with automatic pressurization function according to claim 1 is characterized in that: The casting upper mold (401) is provided with a feed port, and a blocking block (418) is provided on the feed port. The blocking block (418) is slidably connected to the feed port. The closing platform (407) is provided with a pressurizing column (419). An extrusion shaping block (420) is slidably connected inside the casting upper mold (401). The extrusion shaping block (420) is in sliding contact with the pressurizing column (419). A differential ring (421) is rotatably connected inside the extrusion shaping block (420). A wave groove (422) is provided at the bottom end of the differential ring (421). A traction weight (423) is provided inside the casting upper mold (401), and the traction weight (423) is connected to the differential ring (421) via a guide rod.

6. The universal joint casting device with automatic pressurization function according to claim 1, characterized in that: A shaking motor (601) is arranged in the swing box (6), a swing wheel (602) is arranged on the output end of the swing motor (601), the swing wheel (602) is rotationally connected to the swing box (6), the swing frame (5) is embedded in the swing box (6) and rotationally connected to the swing box (6), and the swing wheel (602) is connected to the swing frame (5) via a pulley.

Citation Information

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