Anti-deformation mold for robot manipulator and method of using the same

By designing an anti-deformation mold for a robotic arm, combined with a cylinder drive and an eccentric shaft limiting rod system, injection molded parts can be easily ejected. The venting mechanism and semiconductor cooling chip are used to cool the mold, solving the problems of time-consuming and labor-intensive mold removal and safety hazards, thus improving production efficiency and safety.

CN117227101BActive Publication Date: 2026-02-06JANGSU YUSTAR MOULD TECH CO LTD
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Patent Information

Application Number
CN202311191771.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-09-15
Publication Date
2026-02-06
Estimated Expiration
2043-09-15

AI Technical Summary

Technical Problem

Existing robotic arms require tools to remove molded parts from injection molds, a process that is time-consuming, labor-intensive, and poses safety hazards.

Method used

A deformation-resistant mold for a robotic arm was designed, comprising a bottom mold, an injection mechanism, an ejection mechanism, and an exhaust mechanism. The upper mold is driven to move downward by a cylinder, and combined with an eccentric shaft and a limit rod system, the parts are easily ejected. At the same time, the exhaust mechanism creates a vacuum environment to expel air from the mold, and the mold is cooled by a semiconductor cooling chip.

Benefits of technology

It enables convenient ejection of injection molded parts, avoids the generation of air bubbles on the mold surface, improves product quality and safety, and reduces the risk of burns to workers during inspection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the field of mechanical arm production equipment, and discloses a robot mechanical arm anti-deformation mold, which comprises a bottom mold, an injection molding mechanism arranged above the bottom mold, a taking-out mechanism arranged in the middle of the inside of the bottom mold, an exhaust mechanism arranged at the top of the bottom mold, and a detachable protective plate fixedly connected to one side of the bottom mold. The taking-out mechanism comprises two support frames, four limiting rods, two support frames fixedly connected to the two sides of the inner bottom wall of the bottom mold, a connecting shaft rotatably connected to the middle of the support frame, a rotating disc I fixedly connected to one end of the connecting shaft, and a limiting groove formed in the bottom of the movable plate. Through cooperation of the taking-out mechanism and the exhaust mechanism, the mold can be conveniently and quickly pushed out, so that workers can conveniently take the mold, air in the mold is conveniently exhausted, small bubbles on the surface of the injection-molded mold are avoided, and the parts are subjected to cooling treatment again, so that the safety is higher.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of mechanical arm production equipment, in particular to an anti-deformation mold for robot mechanical arm and a use method thereof. BACKGROUND

[0002] A robot is an automated device or system capable of performing various tasks by inputting predetermined program instructions to execute various commands, thereby perfectly replacing manual work in some production aspects. The structure used by the robot to execute the instructions is called a mechanical arm, which is a mechanical device that can simulate human arm movements, with multiple movable joints and end effectors. It is usually composed of joints, chain rods, connecting pieces and actuators, etc. Through electric, hydraulic or pneumatic driving systems, the movement and coordination of each joint are realized to complete various complex operation tasks. In order to ensure the accuracy of the components inside the mechanical arm during production, some components are usually manufactured by using injection molds, which improve the strength of the structure.

[0003] At present, most of the injection molds for producing mechanical arms will have the injection products adhered to the inside of the injection mold. When taking out the injection parts, the workers need to use tools to assist in taking out the cooled and formed parts from the mold, which is time-consuming and laborious, and has certain safety hazards. Therefore, the present application provides an anti-deformation mold for robot mechanical arm and a use method thereof. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides an anti-deformation mold for robot mechanical arm and a use method thereof, which solves the problem that workers need to use tools to assist in taking out the cooled and formed parts from the mold, which is time-consuming and laborious.

[0005] To achieve the above purpose, the present application is realized by the following technical scheme: an anti-deformation mold for robot mechanical arm, comprising a bottom mold, an injection mechanism is arranged above the bottom mold, a taking-out mechanism is arranged in the middle side of the inside of the bottom mold, an exhaust mechanism is arranged on the top of the bottom mold, and a detachable guard plate is fixedly connected on one side of the bottom mold.

[0006] The taking-out mechanism comprises two supporting frames, four limiting rods, two supporting frames are fixedly connected on both sides of the inner bottom wall of the bottom mold, a connecting shaft is rotatably connected in the middle of the supporting frame, a rotating disc I is fixedly connected at one end of the connecting shaft, an eccentric shaft I is fixedly connected on the side, away from the supporting frame, of the rotating disc I, a movable block is rotatably connected on the outer periphery of the eccentric shaft I, two slide racks are fixedly connected at the bottom ends of the two limiting rods, a rotating disc II is fixedly connected at the other end of the rotating disc I, an eccentric shaft II is fixedly connected on the side, away from the supporting frame, of the rotating disc II, a sliding block is rotatably connected on the outer periphery of the eccentric shaft II, a limiting block is fixedly connected at the top of the sliding block, an activity plate is arranged between the top of the two sliding blocks, a thimble is fixedly connected in the middle of the top of the activity plate, and a piston I is fixedly connected at the top of the thimble.

[0007] Preferably, the injection mechanism comprises a fixed frame and a lower mold, the fixed frame is fixedly connected at the top edge of the bottom mold, air cylinders are fixedly connected on both sides of the top of the fixed frame, an upper mold is fixedly connected at the output end of the air cylinder, an injection port is formed at the top of the upper mold, and the lower mold is fixedly connected at the middle of the top of the bottom mold.

[0008] Preferably, the exhaust mechanism comprises a shell, an exhaust hole, a support, a hollow sleeve and two cooling pipes, the shell is fixedly connected at the middle of the inner bottom wall of the bottom mold, a piston II is slidably connected in the shell, the piston II is fixedly connected with an activity rod at the top, the activity rod penetrates through the shell and is fixedly connected at the middle of the bottom of the activity plate, an air suction pipe is fixedly connected at one side of the shell, a one-way valve is mounted on the side, close to the shell, of the air suction pipe, the exhaust hole is formed at one side in the upper mold, an exhaust plug is fixedly connected at the bottom end of the exhaust hole, an air outlet pipe is fixedly connected at the other side of the shell, the support is fixedly connected at one side of the top of the bottom mold, a nozzle pipe is fixedly connected in the middle of the support, a semiconductor refrigeration sheet is arranged on the side, close to the lower mold, of the support, the hollow sleeve is fixedly connected at the outside of the lower mold, and the two cooling pipes are fixedly connected at both sides of the inner top wall of the bottom mold.

[0009] Preferably, the four limiting rods are fixedly connected at the top edges of the bottom of the upper mold, two sleeve pipes are fixedly connected at the side, away from the detachable guard plate, of the inside of the bottom mold, the limiting rods penetrate through the bottom mold, the bottom parts of the two limiting rods are slidably connected in the two sleeve pipes, respectively, and two supporting columns are fixedly connected at the side, close to the detachable guard plate, of the inside of the bottom mold.

[0010] Preferably, limiting grooves are formed at both sides of the bottom of the activity plate, the limiting blocks are slidably connected in the limiting grooves, and the limiting blocks and the limiting grooves are both in T-shaped cross section.

[0011] Preferably, the bottom mold is provided with a piston hole in the middle, the piston is slidably connected to the inside of the piston hole, and the ejector pin penetrates the bottom mold and the piston hole.

[0012] Preferably, the movable block is slidably connected to the inside of the sliding frame, the buffer spring is sleeved on the outer periphery of the limiting rod, the top end of the buffer spring is fixedly connected to the bottom of the upper mold, and the bottom end of the buffer spring is fixedly connected to the top of the bottom mold.

[0013] Preferably, the exhaust hole is communicated between the exhaust pipe and the shell, the nozzle pipe is communicated between the exhaust pipe and the shell, and one end near the two cooling pipes is communicated with the inside of the hollow sleeve shell.

[0014] Preferably, the semiconductor refrigerating sheet is fixedly connected to the top of the bottom mold, and the semiconductor refrigerating sheet penetrates the bottom mold.

[0015] A use method of the anti-deformation mold for a robot mechanical arm, and the specific use steps are as follows:

[0016] S1, start the air cylinder to push the upper mold downward, so that the mold groove in the upper mold and the lower mold on the bottom mold are clamped with the hollow sleeve shell, and the limiting rod is pushed downward by the upper mold and drives the sliding frame to move downward, so that the sliding frame drives the eccentric shaft one to move through the movable block, the movable block slides in the sliding frame, the eccentric shaft one circularly moves to drive the turntable one to rotate downward, and then the turntable one rotates to drive the connecting shaft and the turntable two to rotate, the eccentric shaft two circularly moves through the downward rotation of the turntable two, the movable plate moves downward through the sliding block, the limiting block and the limiting groove, the sliding block rotates on the outer periphery of the eccentric shaft two, and the limiting block slides in the limiting groove, and then the movable plate moves downward to drive the ejector pin and the piston to move downward, and the piston one is retracted into the piston hole to keep flush with the top of the bottom mold;

[0017] S2, as the upper mold moves down and the lower mold contacts, the movable plate also moves down and drives the piston two to move down inside the shell by pushing the movable rod, at this time part of the outside air will enter the inside of the shell through the nozzle pipe and the air outlet pipe, and another part will enter the inside of the shell through the exhaust hole, the air pump and the one-way valve, when the mold groove in the upper mold and the lower mold contact the hollow sleeve shell, the inside of the upper mold is in a sealed state, the suction force generated inside the exhaust hole will exhaust the air between the upper mold and the lower mold, until the upper mold and the bottom mold contact, at this time a vacuum environment is formed between the upper mold and the lower mold, then the molten material is extruded into the upper mold and the lower mold through the injection port by the injection molding machine, and the molten material is prevented from entering the inside of the exhaust hole by the exhaust plug, the cooling liquid outside is injected into the cooling pipe through the conveying mechanism and the pipeline, then the cooling liquid circulates through the cooling pipe and the hollow sleeve shell, so that the mechanical arm part of the injection molding is cooled, and the material in the injection mold is cooled and shaped;

[0018] S3, when the mechanical arm part is shaped in the mold, the upper mold is pulled upward by the cylinder to separate the upper mold and the lower mold, and the slide rail is pulled upward by the limiting rod, so that the slide rail drives the turntable one to rotate upward, and then the turntable two rotates upward and pushes the movable plate upward, and then the ejector pin and the piston one move upward to eject the shaped part out of the inside of the lower mold, so that the worker can quickly take it, and the movable rod pulls the piston two upward, so that the air stored in the inside of the shell is discharged from the air outlet pipe and blown on the ejected part through the nozzle pipe, and the semiconductor refrigeration sheet is started to make the blown wind cold, and the temperature of the part is further reduced.

[0019] The application provides a robot mechanical arm anti-deformation mold and a use method thereof.

[0020] The robot mechanical arm anti-deformation mold can conveniently and quickly eject the part out of the mold when the shaped part is loosened from the upper and lower molds during use, so that the worker can conveniently take it, the air in the mold can be conveniently discharged when the mold is closed to injection mold the part, the small bubbles on the surface of the injection molded mold are avoided, the quality of the product is improved, and the part is cooled again when the shaped part is ejected from the mold, so that the worker is not scalded by the residual heat during detection, and the safety is higher. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a perspective view of the application;

[0022] Figure 2 It is a schematic view of the upper mold structure of the application;

[0023] Figure 3 It is a sectional view of the upper mold of the application;

[0024] Figure 4 Structure diagram of nozzle pipe of the present application;

[0025] Figure 5 Structure diagram of bottom die of the present application; Figure 4 Enlarged view at A in the middle;

[0026] Figure 6 Structure diagram of bottom die of the present application;

[0027] Figure 7 Structure diagram of shell of the present application;

[0028] Figure 8 Structure diagram of take-out mechanism of the present application;

[0029] Figure 9 Structure diagram of slide of the present application;

[0030] Figure 10 Structure diagram of shell of the present application;

[0031] Figure 11 Structure diagram of limiting block of the present application.

[0032] Wherein, 1, bottom die; 2, injection mechanism; 201, fixed frame; 202, air cylinder; 203, upper die; 204, injection port; 205, lower die; 3, take-out mechanism; 301, support frame; 302, connecting shaft; 303, turntable one; 304, eccentric shaft one; 305, movable block; 306, limiting rod; 307, slide; 308, turntable two; 309, eccentric shaft two; 310, slide block; 311, limiting block; 312, movable plate; 313, limiting groove; 314, thimble; 315, piston one; 316, piston hole; 4, exhaust mechanism; 401, shell; 402, piston two; 403, movable rod; 404, air extraction pipe; 405, one-way valve; 406, exhaust hole; 407, exhaust plug; 408, air outlet pipe; 409, support; 410, nozzle pipe; 411, semiconductor refrigeration sheet; 412, hollow sleeve; 413, cooling pipe; 5, detachable guard plate; 6, buffer spring; 7, support column; 8, sleeve. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0034] Embodiment:

[0035] Please refer to the attached Figure 1 -attached Figure 11 , the embodiment of the application provides a kind of anti-deformation mould for robot manipulator, including bottom die 1, bottom die 1 top is provided with injection molding mechanism 2, support two moulds by bottom die 1 to top and bottom, bottom die 1 inside middle side is provided with taking-out mechanism 3, and the component after shaping is ejected from mould by taking-out mechanism 3, it is convenient for worker to fetch, bottom die 1 top is provided with exhaust mechanism 4, bottom die 1 side is fixedly connected with detachable guard plate 5, by the detachable guard plate 5 after being disassembled, it can be maintained and maintained to the part installed in bottom die 1 inside;

[0036] The taking-out mechanism 3 comprises two support frames 301, four limiting rods 306, two support frames 301 are fixedly connected on both sides of the inner bottom wall of the bottom die 1, the support frame 301 supports and fixes the whole taking-out mechanism 3, a connecting shaft 302 is rotatably connected in the middle of the support frame 301, a rotating disc one 303 is fixedly connected at one end of the connecting shaft 302, an eccentric shaft one 304 is fixedly connected on the side, away from the support frame 301, of the rotating disc one 303, a movable block 305 is rotatably connected on the outer periphery of the eccentric shaft one 304, two limiting rods 306 are fixedly connected at the bottom ends of the two limiting rods 306, when the upper and lower molds are closed to injection mold the parts, the limiting rod 306 is pushed downward by the upper mold 203 and drives the sliding frame 307 to move downward, so that the sliding frame 307 drives the eccentric shaft one 304 to move through the movable block 305, and the movable block 305 slides in the sliding frame 307, the eccentric shaft one 304 drives the rotating disc one 303 to rotate downward in the circumferential motion, and then the rotating disc one 303 drives the connecting shaft 302 and the rotating disc two 308 to rotate, the rotating disc two 308 drives the eccentric shaft two 309 to move in the circumferential motion by rotating downward, so that the eccentric shaft two 309 drives the movable plate 312 to move downward through the sliding block 310, the limiting block 311 and the limiting groove 313, and the sliding block 310 rotates on the outer periphery of the eccentric shaft two 309 while the limiting block 311 slides in the limiting groove 313, and then the movable plate 312 drives the ejector pin 314 and the piston one 315 to move downward, and the piston one 315 is retracted into the piston hole 316 to keep flush with the top of the bottom die 1, the other end of the rotating disc one 303 is fixedly connected with the rotating disc two 308, the rotating disc two 308 is fixedly connected with the eccentric shaft two 309 on the side, away from the support frame 301, the sliding block 310 is rotatably connected on the outer periphery of the eccentric shaft two 309, the limiting block 311 is fixedly connected on the top of the sliding block 310, the movable plate 312 is arranged between the tops of the two sliding blocks 310, the ejector pin 314 is fixedly connected on the top of the movable plate 312, and the piston one 315 is fixedly connected on the top of the ejector pin 314, when the mechanical arm part is shaped in the mold, the limiting rod 306 drives the sliding frame 307 to move upward, so that the sliding frame 307 drives the rotating disc one 303 to rotate upward, and then the rotating disc two 308 rotates upward and drives the movable plate 312 to move upward, and then the ejector pin 314 and the piston one 315 move upward to eject the shaped part from the inside of the lower mold 205, which is convenient for workers to take quickly.

[0037] The injection mechanism 2 comprises a fixed frame 201 and a lower mold 205, the fixed frame 201 is fixedly connected to the top edge of the bottom mold 1, the fixed frame 201 supports the whole injection mechanism 2, ensures that the mold can be stable when the mold is closed and injection molded, both sides of the top of the fixed frame 201 are fixedly connected with a pneumatic cylinder 202, the output end of the pneumatic cylinder 202 is fixedly connected with an upper mold 203, the top of the upper mold 203 is provided with an injection port 204, the lower mold 205 is fixedly connected to the top middle side of the bottom mold 1, the molten material is extruded into the upper mold 203 and the lower mold 205 through the injection port 204 by means of the injection molding machine, and the molten material is prevented from entering the exhaust hole 406 by the exhaust plug 407.

[0038] The exhaust mechanism 4 comprises a shell 401, an exhaust hole 406, a support 409, a hollow sleeve 412 and two cooling pipes 413, the shell 401 is fixedly connected to the inner bottom wall of the bottom mold 1, a piston two 402 is slidably connected inside the shell 401, the piston two 402 is fixedly connected to the top of a movable rod 403, the movable rod 403 penetrates through the shell 401 and is fixedly connected to the bottom of the movable plate 312, when the upper mold 203 moves down and contacts the lower mold 205, the movable plate 312 also moves down and drives the piston two 402 to move down in the shell 401 by pushing the movable rod 403, at this time, part of the external air enters the shell 401 through the nozzle pipe 410 and the air outlet pipe 408, and the other part enters the shell 401 through the exhaust hole 406, the air suction pipe 404 and the one-way valve 405, when the mold groove in the upper mold 203 contacts the hollow sleeve 412, the inside of the upper mold 203 is in a sealed state, the air between the upper mold 203 and the lower mold 205 is exhausted by the suction force generated inside the exhaust hole 406, until the upper mold 203 contacts the bottom mold 1, at this time, a vacuum environment is formed between the upper mold 203 and the lower mold 205, which ensures that the molten material injected into the mold after the mold is contacted will not produce small bubbles during the shaping process, improves the quality of the mechanical arm parts produced, the shell 401 is fixedly connected to the air suction pipe 404, the air suction pipe 404 is provided with a one-way valve 405 close to the shell 401, the exhaust hole 406 is arranged on one side of the inside of the upper mold 203, the exhaust hole 406 is fixedly connected to the exhaust plug 407 at the bottom end, the shell 401 is fixedly connected to the air outlet pipe 408 on the other side, the support 409 is fixedly connected to one side of the top of the bottom mold 1, the support 409 is fixedly connected to the nozzle pipe 410 in the middle, the support 409 is provided with a semiconductor refrigeration piece 411 close to the lower mold 205, the hollow sleeve 412 is fixedly connected to the outside of the lower mold 205, and the two cooling pipes 413 are fixedly connected to the inner top wall of the bottom mold 1, when the mechanical arm part is demolded after being shaped in the mold, the movable plate 312 moves up to eject the shaped mechanical arm part, the movable rod 403 pulls the piston two 402 to move up, so that the air stored in the shell 401 is exhausted from the air outlet pipe 408 and blown on the ejected part through the nozzle pipe 410, the semiconductor refrigeration piece 411 is started to cool the blown air, further reducing the temperature of the part, avoiding the workers from being scalded by the residual heat when detecting the part, and the safety is higher.

[0039] The four limiting rods 306 are fixedly connected at the top ends to the bottom edges of the upper die 203. The four limiting rods 306 can limit the upper die 203, so as to avoid the upper die 203 from deviating when the mold is moved, and ensure that the upper die 203 and the lower die 205 can be fitted. Two sleeve pipes 8 are fixedly connected to the side of the bottom die 1 away from the detachable guard plate 5. The limiting rods 306 penetrate through the bottom die 1, and the bottoms of the two limiting rods 306 are slidingly connected in the two sleeve pipes 8 respectively. The two sleeve pipes 8 limit the two limiting rods 306, so as to further improve the stability of the upper die 203 when the upper die 203 is moved. Two supporting columns 7 are fixedly connected to the side of the bottom die 1 close to the detachable guard plate 5. The two supporting columns 7 and the two sleeve pipes 8 support the inside of the bottom die 1, so as to improve the supporting strength of the bottom die 1.

[0040] The two sides of the bottom of the movable plate 312 are provided with limiting grooves 313. The limiting blocks 311 are slidingly connected in the limiting grooves 313. The limiting blocks 311 and the limiting grooves 313 are both in T-shaped cross section, so as to ensure that the limiting blocks 311 slide in the limiting grooves 313 when the movable plate 312 is moved by the circumferential movement of the eccentric shaft two 309. The sliding block 310 can pull the movable plate 312 to move, so as to retract or eject the ejector pin 314 and the piston one 315. It is ensured that the sliding block 310 and the movable plate 312 will not be separated.

[0041] The piston hole 316 is arranged in the middle of the bottom die 1. The piston one 315 is slidingly connected to the inside of the piston hole 316. The ejector pin 314 penetrates through the bottom die 1 and the piston hole 316. When the taking-out mechanism 3 retracts the piston one 315 into the piston hole 316, the piston one 315 can seal the piston hole 316. At the same time, the piston hole 316 can hide the piston one 315 in the bottom die 1. The bottom of the part after the mold is injection molded and shaped will not have traces, so as to improve the quality of the product.

[0042] The movable block 305 is slidingly connected to the inside of the sliding frame 307. When the sliding frame 307 moves, the movable block 305 will slide in the sliding frame 307, and drive the eccentric shaft one 304 and the rotating disc one 303 to rotate. The limiting rod 306 is sleeved with the buffer spring 6. The top end of the buffer spring 6 is fixedly connected to the bottom of the upper die 203. The bottom end of the buffer spring 6 is fixedly connected to the top of the bottom die 1. When the mold is injection molded, the upper die 203 will compress the buffer spring 6, so as to play a buffering role. When the upper die 203 and the top of the bottom die 1 are in contact, the vibration will not be too large, so as to reduce the probability of deformation of the mold. At the same time, the top end of the buffer spring 6 extends into the inside of the upper die 203 by a distance. When the upper die 203 is moved downward, the buffer spring 6 will be completely compressed into the groove in the inside of the upper die 203 (not shown in the figure).

[0043] The exhaust hole 406 is communicated between the exhaust pipe 404 and the shell 401, so that the upper mold 203 and the lower mold 205 can exhaust the air in the mold after the mold is closed, avoiding the generation of bubbles when the mold injection part, the nozzle pipe 410 is communicated between the exhaust pipe 408 and the shell 401, so that the nozzle pipe 410 can aim the blown wind at the ejected part, and the part is cooled again to prevent the subsequent detection personnel from being scalded by the residual heat of the part when detecting the quality of the part. The two cooling pipes 413 are in communication with the inside of the hollow sleeve 412 near one end, so that the external water cooling circulation system can flow through the inside of the cooling pipe 413 and the hollow sleeve 412, and the hollow sleeve 412 can quickly absorb the high temperature generated by the lower mold 205 during injection molding of the part, so that the mechanical arm part can be quickly cooled and shaped.

[0044] The semiconductor refrigeration sheet 411 is fixedly connected to the top of the bottom mold 1, penetrates the bottom mold 1, and the upper part of the semiconductor refrigeration sheet 411 is continuously cooled after being started, so that the air around the nozzle pipe 410 is cooled, and the wind blown by the nozzle pipe 410 becomes cold wind, achieving the purpose of cooling the ejected part again. At the same time, the lower heating side of the semiconductor refrigeration sheet 411 is inserted into the inside of the bottom mold 1, which can avoid the influence of the heating side of the semiconductor refrigeration sheet 411 on the temperature of the air around the nozzle pipe 410. The temperature in the inside of the bottom mold 1 can be dissipated through the ventilation openings on both sides of the bottom mold 1.

[0045] A use method of the anti-deformation mold for the robot mechanical arm, the specific use steps are as follows:

[0046] S1, start the air cylinder 202 to push the upper mold 203 downward, so that the mold groove in the upper mold 203 and the lower mold 205 on the bottom mold 1 are engaged with the hollow sleeve 412, and at the same time the limit rod 306 is pushed downward by the upper mold 203 and drives the sliding frame 307 to move downward, so that the sliding frame 307 drives the eccentric shaft one 304 to move through the movable block 305, and the movable block 305 slides in the sliding frame 307, the eccentric shaft one 304 rotates to drive the rotating disc one 303 to rotate downward, and then the rotating disc one 303 rotates to drive the connecting shaft 302 and the rotating disc two 308 to rotate, the eccentric shaft two 309 rotates through the rotating disc two 308 to drive the movable plate 312 to move downward through the sliding block 310, the limit block 311 and the limit groove 313, and at the same time the sliding block 310 rotates around the eccentric shaft two 309 and the limit block 311 slides in the limit groove 313, and then the movable plate 312 drives the ejector pin 314 and the piston one 315 to move downward, and the piston one 315 is retracted into the piston hole 316 to keep flush with the top of the bottom mold 1;

[0047] S2, with the upper mold 203 down and the lower mold 205 contact, the movable plate 312 will also be down and by pushing the movable rod 403 driven piston two 402 inside the shell 401 down, at this time the outside air part will pass through the nozzle tube 410, air pipe 408 into the shell 401 inside, another part will pass through the exhaust hole 406, exhaust pipe 404 and one-way valve 405 into the shell 401 inside, when the mold groove in the upper mold 203 and the lower mold 205 and hollow sleeve shell 412 contact, the upper mold 203 inside in a sealed state, by the suction force generated inside the exhaust hole 406 will be between the upper mold 203 and the lower mold 205 air exhaust, until the upper mold 203 and the bottom die 1 contact, at this time the upper mold 203 and the lower mold 205 between the vacuum environment, then with the injection molding machine will melt after the material through the injection port 204 extruded into the upper mold 203 and the lower mold 205, and prevent the melt after the material into the exhaust hole 406 inside through the exhaust plug 407, the outside cooling liquid through the conveying mechanism and pipeline injection cooling pipe 413, in turn, so that the cooling liquid through the cooling pipe 413 and hollow sleeve shell 412 circulation, cooling of the injection molding mechanical arm parts, waiting for the material in the injection mold cooling and setting;

[0048] S3, when the mechanical arm parts in the mold after setting, start the cylinder 202 will be pulled out of the upper mold 203, so that the upper mold 203 and the lower mold 205 between the separation, while the limit rod 306 pull the carriage 307 up, so that the carriage 307 will drive the turntable one 303 upward, in turn, so that the turntable two 308 upward and push the movable plate 312 up, in turn, so that the ejector pin 314 and piston one 315 up will set the parts out of the lower mold 205 inside, convenient for workers to quickly take, while the movable rod 403 will pull the piston two 402 up, so that the shell 401 inside the air will be from the air pipe 408, and through the nozzle tube 410 blowing on the ejected parts, start the semiconductor refrigeration fin 411 will blow cold, further reduce the temperature of the parts.

[0049] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application being defined by the appended claims and their equivalents.

Claims

1. A deformation-resistant mold for a robot manipulator, comprising a drag (1), characterized in that, The bottom die (1) is provided with an injection mechanism (2) above, the inside of the bottom die (1) is provided with a taking-out mechanism (3) in the middle side, the top of the bottom die (1) is provided with an exhaust mechanism (4), and one side of the bottom die (1) is fixedly connected with a detachable guard plate (5); The taking-out mechanism (3) comprises two supporting frames (301), four limiting rods (306), two supporting frames (301) are fixedly connected on the both sides of the inner bottom wall of the bottom die (1), a connecting shaft (302) is rotatably connected to the middle of the supporting frame (301), one end of the connecting shaft (302) is fixedly connected with a rotating disc I (303), the side, away from the supporting frame (301), of the rotating disc I (303) is fixedly connected with an eccentric shaft I (304), the outer periphery of the eccentric shaft I (304) is rotatably connected with a movable block (305), two limiting rods (306) are fixedly connected with a sliding frame (307) at the bottom ends, the other end of the rotating disc I (303) is fixedly connected with a rotating disc II (308), the side, away from the supporting frame (301), of the rotating disc II (308) is fixedly connected with an eccentric shaft II (309), the outer periphery of the eccentric shaft II (309) is rotatably connected with a sliding block (310), the top of the sliding block (310) is fixedly connected with a limiting block (311), an activity plate (312) is arranged between the tops of two sliding blocks (310), a thimble (314) is fixedly connected to the top of the middle side of the activity plate (312), and the top of the thimble (314) is fixedly connected with a piston I (315); The injection mechanism (2) comprises a fixed frame (201) and a lower mold (205), the fixed frame (201) is fixedly connected to the top edge of the bottom die (1), the top of the fixed frame (201) is fixedly connected with a gas cylinder (202) on both sides, the output end of the gas cylinder (202) is fixedly connected with an upper mold (203), the top of the upper mold (203) is provided with an injection port (204), and the lower mold (205) is fixedly connected to the top of the bottom die (1). The exhaust mechanism (4) includes a shell (401), an exhaust hole (406), a support (409), a hollow sleeve (412) and two cooling pipes (413), the shell (401) is fixedly connected to the middle side of the inner bottom wall of the bottom mold (1), a piston two (402) is slidably connected inside the shell (401), the top of the piston two (402) is fixedly connected with a movable rod (403), the movable rod (403) penetrates through the shell (401) and is fixedly connected to the bottom middle side of the movable plate (312), one side of the shell (401) is fixedly connected with a suction pipe (404), a one-way valve (405) is installed on the side close to the shell (401) of the suction pipe (404), the exhaust hole (406) is arranged on one side of the inner side of the upper mold (203), the bottom end of the exhaust hole (406) is fixedly connected with an exhaust plug (407), the other side of the shell (401) is fixedly connected with an air outlet pipe (408), the support (409) is fixedly connected to one side of the top of the bottom mold (1), a nozzle pipe (410) is fixedly connected to the middle part of the support (409), a semiconductor refrigeration sheet (411) is arranged on the side close to the lower mold (205) of the support (409), the hollow sleeve (412) is fixedly connected to the outer side of the lower mold (205), and two cooling pipes (413) are fixedly connected to the inner top wall of the bottom mold (1). The exhaust hole (406) is communicated between the suction pipe (404) and the shell (401), the nozzle pipe (410) is communicated between the air outlet pipe (408) and the shell (401), and the end close to each other between the two cooling pipes (413) is communicated with the inside of the hollow sleeve (412).

2. The anti-deformation mold for a robot manipulator according to claim 1, characterized by, The top ends of the four limiting rods (306) are fixedly connected to the bottom edges of the upper mold (203), two sleeve pipes (8) are fixedly connected to one side of the inner bottom mold (1) away from the detachable guard plate (5), the limiting rods (306) penetrate through the bottom mold (1), and the bottoms of two of the limiting rods (306) are slidably connected inside the two sleeve pipes (8), two supporting columns (7) are fixedly connected to one side of the inner bottom mold (1) close to the detachable guard plate (5).

3. The anti-deformation mold for a robot manipulator according to claim 1, characterized by, The bottoms of the movable plates (312) are provided with limiting grooves (313) on both sides, the limiting blocks (311) are slidably connected inside the limiting grooves (313), and the limiting blocks (311) and the limiting grooves (313) are both T-shaped in section.

4. The anti-deformation mold for a robot manipulator according to claim 1, characterized by, The middle part of the bottom mold (1) is provided with a piston hole (316), the outer side of the piston one (315) is slidably connected inside the piston hole (316), and the thimble (314) penetrates through the bottom mold (1) and the piston hole (316).

5. The anti-deformation mold for a robot manipulator according to claim 2, characterized by The movable block (305) is slidably connected outside the sliding frame (307), the limiting rod (306) is externally sleeved with the buffer spring (6), the top end of the buffer spring (6) is fixedly connected to the bottom of the upper die (203), and the bottom end of the buffer spring (6) is fixedly connected to the top of the bottom die (1).

6. The anti-deformation mold for a robot manipulator according to claim 5, wherein The semiconductor refrigeration piece (411) is fixedly connected to the top of the bottom die (1), and the semiconductor refrigeration piece (411) penetrates the bottom die (1).

7. A method of using the anti-deformation mold for a robot manipulator according to claim 1, characterized by, The specific use steps are as follows: S1, start the air cylinder (202) to push the upper die (203) downward, so that the mold groove in the upper die (203) and the lower die (205) on the bottom die (1) are clamped with the hollow sleeve shell (412), at the same time, the limiting rod (306) is pushed downward by the upper die (203) and drives the sliding frame (307) to move downward, so that the sliding frame (307) drives the eccentric shaft one (304) to move through the movable block (305), the movable block (305) slides in the sliding frame (307), the eccentric shaft one (304) drives the rotating disc one (303) to rotate downward through the circular motion, and then the rotating disc one (303) drives the connecting shaft (302) and the rotating disc two (308) to rotate, the eccentric shaft two (309) drives the movable plate (312) to move downward through the sliding block (310), the limiting block (311) and the limiting groove (313) through the rotating disc two (308) rotating downward to drive the circular motion, at the same time, the sliding block (310) rotates outside the eccentric shaft two (309) and the limiting block (311) slides in the limiting groove (313), and then the movable plate (312) drives the ejector pin (314) and the piston one (315) to move downward, and the piston one (315) is retracted into the piston hole (316) to keep flush with the top of the bottom die (1); S2, as the upper die (203) moves down and the lower die (205) contacts, the movable plate (312) also moves down and drives the piston two (402) to move down in the shell (401) by pushing the movable rod (403), at this time part of the external air will enter the shell (401) through the nozzle pipe (410) and the air outlet pipe (408), another part will enter the shell (401) through the exhaust hole (406), the suction pipe (404) and the one-way valve (405), when the mold groove in the upper die (203) and the lower die (205) contact the hollow sleeve shell (412), the upper die (203) is in a sealed state, the suction force generated inside the exhaust hole (406) will exhaust the air between the upper die (203) and the lower die (205), until the upper die (203) and the bottom die (1) contact, at this time a vacuum environment is formed between the upper die (203) and the lower die (205), then the melted material is extruded into the upper die (203) and the lower die (205) through the injection port (204) by means of the injection molding machine, and the exhaust plug (407) is prevented from entering the exhaust hole (406), the cooling liquid is injected into the cooling pipe (413) through the conveying mechanism and the pipeline, and then the cooling liquid is circulated through the cooling pipe (413) and the hollow sleeve shell (412), so as to cool the injection molded mechanical arm part, and wait for the material in the injection mold to cool and shape; S3, when the mechanical arm part is shaped in the mold, the cylinder (202) is started to pull the upper die (203) upwards, so that the upper die (203) and the lower die (205) are separated, at the same time the limit rod (306) pulls the sliding frame (307) to move upwards, so that the sliding frame (307) drives the rotating disc one (303) to rotate upwards, and then the rotating disc two (308) rotates upwards and pushes the movable plate (312) to move upwards, and then the ejector pin (314) and the piston one (315) move upwards to eject the shaped part from the inside of the lower die (205), which is convenient for workers to quickly take, at the same time the movable rod (403) pulls the piston two (402) to move upwards, so that the air stored in the shell (401) is discharged from the air outlet pipe (408) and blown on the ejected part through the nozzle pipe (410), the semiconductor refrigeration sheet (411) is started to cool the blown air, further reducing the temperature of the part.

Citation Information

Patent Citations

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