Automatic demolding equipment for plastic injection molding processing

Abstract

The invention belongs to the technical field of plastic injection molding processing, and provides automatic demolding equipment for plastic injection molding processing, the automatic demolding equipment for plastic injection molding processing comprises an injection molding table, a lower mold is fixedly connected to the middle of the injection molding table, a supporting frame is fixedly connected to the upper end face of the injection molding table, and a driving rod is fixedly connected to the supporting frame; the telescopic end of the driving rod is fixedly connected with an upper mold plate, the supporting frame is rotationally connected with a rotating frame, the supporting frame is provided with a driving assembly for driving the rotating frame to rotate, the lower end face of the rotating frame is fixedly connected with a second electric telescopic sleeve, and the second electric telescopic sleeve is fixedly connected with a fixing frame. According to the device, when all the tension mechanisms jointly adsorb the surface of the injection molding part, the tension mechanisms jointly pull the injection molding part upwards to the outside of the lower mold, and in the process, the tension mechanisms can detect the posture change of the injection molding part during movement.

Description

Technical Field

[0001] The invention belongs to the technical field of plastic injection molding, and in particular relates to automatic demoulding equipment for plastic injection molding. Background Art

[0002] Plastic injection molding machine is also called plastic injection molding machine or plastic injection machine. It is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. Plastic injection molding machines are divided into vertical, horizontal, and all-electric types. Plastic injection molding machines can heat plastic and apply high pressure to molten plastic to make it eject and fill the mold cavity. The demolding mechanism of plastic injection mold is an important part of the injection mold, which is used to separate the molded plastic product from the mold.

[0003] Existing automatic demolding equipment for plastic injection molding generally uses a pneumatic device to directly eject the molded parts from the mold. However, the friction between larger injection molded parts and the mold is relatively large, and thermal adhesion is easily generated between the injection molded parts and the inner wall of the mold. The pneumatic device is likely to cause a large impact force on the injection molded parts when ejecting. In addition, when a general pulling device pulls the injection molded parts, an indentation will be formed on the surface of the injection molded parts, causing damage to the appearance of the injection molded parts. Summary of the invention

[0004] The purpose of the present invention is to provide an automatic demoulding device for plastic injection molding, aiming to solve the technical problems in the prior art that the air pressure device easily causes the injection molded parts to generate a large impact force when ejecting; and the general pulling device will form an indentation on the surface of the injection molded parts when pulling the injection molded parts, causing damage to the appearance of the injection molded parts.

[0005] The present invention is implemented in this way. An automatic demoulding device for plastic injection molding processing comprises an injection molding table, wherein the middle part of the injection molding table is fixedly connected to a lower mold, the upper end surface of the injection molding table is fixedly connected to a support frame, the support frame is fixedly connected to a driving rod, the telescopic end of the driving rod is fixedly connected to an upper mold plate, the support frame is rotatably connected to a rotating frame, a driving component for driving the rotating frame to rotate is arranged on the support frame, the lower end surface of the rotating frame is fixedly connected to a No. 2 electric telescopic sleeve, the No. 2 electric telescopic sleeve is fixedly connected to a fixed frame, the fixed frame is cross-shaped, and the end surfaces of the fixed frame are all provided with tension mechanisms, all tension mechanisms are commonly connected to a No. 2 air pump, all tension mechanisms can jointly adsorb the surface of the injection molded parts, and the tension mechanisms jointly pull the injection molded parts upward to the outside of the lower mold, and the tension mechanisms can detect the posture changes of the injection molded parts when they move; The rotating frame is rotatably connected to a heat absorbing mechanism, and the heat absorbing mechanism can contact the surface of the injection molded part to dissipate heat. The rotating frame is provided with a power assembly, and the power assembly can drive the heat absorbing mechanism to rotate. The heat absorbing mechanism is connected to a plurality of adjustment mechanisms, and all the adjustment mechanisms can simultaneously clean the burrs on the surface of the injection molded part. In addition, when the injection molded part is tilted and stuck in the lower mold, all the adjustment mechanisms can adjust the posture of the injection molded part; The four side walls of the lower mold are all connected to cooling mechanisms, and all cooling mechanisms can jointly cool the injection molded parts in the lower mold. The lower mold is connected to a thrust mechanism, and the thrust mechanism can apply air pressure to the injection molded parts in the lower mold.

[0006] Further technical solution: the pulling mechanism includes a sleeve, a spring, an upper boss and a suction cup; The bottom end of the sleeve is fixedly connected with a suction cup, the sleeve is communicated with the suction cup, an upper boss and a lower boss are fixedly connected to the sleeve, one end of the fixing frame is slidably connected between the upper boss and the lower boss, the spring is arranged between the upper boss and the fixing frame, and a pressure sensor is arranged between the spring and the upper boss.

[0007] Further technical solution: The heat absorption mechanism includes a No. 1 electric telescopic sleeve and a heat-conducting plate. The fixed end of the No. 1 electric telescopic sleeve is fixedly connected to the injection molding table, and the telescopic end of the No. 1 electric telescopic sleeve is rotatably connected to the heat-conducting plate. A water tank is fixedly connected to the rotating frame, and the water tank is connected to a No. 2 water pump. A water pipe is connected between the No. 2 water pump and the upper end of the No. 1 electric telescopic sleeve, and a rotating joint is connected between the water pipe and the fixed end of the No. 1 electric telescopic sleeve, and the No. 1 electric telescopic sleeve is connected to the heat-conducting plate.

[0008] Further technical solution: The power assembly includes a No. 2 motor and a belt transmission pair, the No. 2 motor is fixedly connected to the rotating frame, and a belt transmission pair is connected between the output shaft of the No. 2 motor and the fixed end of the No. 1 electric telescopic sleeve.

[0009] Further technical solution: the adjustment mechanism includes an electric sleeve rod, a scraper bar, a capsule and a gear; The telescopic end of the No. 1 electric telescopic sleeve is rotatably connected to a plurality of electric sleeve rods, and the telescopic end of the electric sleeve rod is fixedly provided with a plurality of scraping strips, all of which are inclined in one rotation direction, and capsules are provided in the scraping strips, all of which are connected to the telescopic end of the electric sleeve rod, and the electric sleeve rods are connected to the No. 1 electric telescopic sleeve, and the fixed end of the electric sleeve rod is fixedly connected with gears, and all of the gears can mesh with the upper end surface of the heat conducting plate.

[0010] Further technical solution: The thrust mechanism includes an air pump No. 1 and a one-way solenoid valve. The air pump No. 1 is fixedly connected to the outer end surface of the lower mold. The air outlet of the air pump No. 1 is connected to the interior of the lower mold. The bottom of the lower mold is connected to the one-way solenoid valve.

[0011] Further technical solution: The cooling mechanism includes a No. 1 water pump and a cooling pipe. A No. 1 water pump is respectively arranged on the four sides of the lower mold, and cooling channels are respectively arranged on the four side walls of the lower mold. Both ends of each cooling channel are connected to the water inlet and outlet of a No. 1 water pump through a cooling pipe.

[0012] Further technical solution: the driving assembly includes a No. 1 motor, a driving wheel and a gear sleeve; The No. 1 motor is fixedly connected to the support frame, the output shaft of the No. 1 motor is fixedly connected to the driving wheel, one end of the rotating frame is fixedly connected to a gear sleeve, the gear sleeve is rotatably connected to the support frame, and the gear sleeve is meshed with the driving wheel.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. First, start the heat absorption mechanism to contact and dissipate heat on the surface of the injection molded part to avoid thermal adhesion between the subsequent tension mechanism and the upper surface of the injection molded part. All adjustment mechanisms can clean the burrs on the surface of the injection molded part, thereby avoiding the subsequent tension mechanism and the upper end surface of the injection molded part from being unable to fully fit together; then, all tension mechanisms jointly adsorb the surface of the injection molded part, and the tension mechanisms jointly pull the injection molded part upward to the outside of the lower mold. During this process, the tension mechanisms can detect the posture changes of the injection molded part when it moves; 2. The pulling mechanism can detect the posture change of the injection molded part when it moves. Then, when the injection molded part tilts and gets stuck in the lower mold, all the adjustment mechanisms can adjust the posture of the injection molded part. During this process, the thrust mechanism provides an upward thrust to the injection molded part, thereby preventing the pulling mechanism from separating from the injection molded part. 3. All cooling mechanisms can jointly cool the injection molded parts in the lower mold. When the tension mechanism detects that the adhesion between the side wall of the injection molded part and the corresponding side wall of the lower mold is too large, the cooling mechanism on the outer side of the corresponding lower mold side wall will increase its own power to improve the cooling effect of the sticky part of the lower mold to avoid similar sticking in the subsequent production process.

[0014] 4. When the posture of the injection molded part surface is adjusted, the No. 2 water pump increases the water pressure in the electric sleeve rod through the No. 1 electric telescopic sleeve, and the water pressure in all capsules connected to the electric sleeve rod increases. At this time, the extrusion pressure between the capsule and the upper surface of the injection molded part increases, and the No. 1 electric telescopic sleeve drives all the electric sleeve rods to rotate around the axis of the No. 1 electric telescopic sleeve. At this time, the electric sleeve rod applies pressure to the entire surface of the injection molded part, so that the upward-raised part of the injection molded part moves downward, thereby releasing the injection part from the inner wall of the lower mold; further, the scraper drives the capsule to rotate along the upper surface of the injection molded part, which can correct the posture of the injection molded part while avoiding the formation of indentations on the surface of the injection molded part. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0016] Figure 2 It is a schematic diagram of the structure of the driving component in the present invention.

[0017] Figure 3 It is a structural schematic diagram of the cooling mechanism in the present invention.

[0018] Figure 4 It is a schematic diagram of the structure of the power assembly in the present invention.

[0019] Figure 5 It is a structural schematic diagram of the tension mechanism in the present invention.

[0020] Figure 6 It is a structural schematic diagram of the heat absorption mechanism in the present invention.

[0021] Figure 7 It is a structural schematic diagram of the adjustment mechanism in the present invention.

[0022] In the attached drawings: 1, injection molding table; 2, support frame; 3, drive assembly; 31, No. 1 motor; 32, driving wheel; 33, gear sleeve; 4, cooling mechanism; 41, No. 1 water pump; 42, cooling pipe; 5, tension mechanism; 51, sleeve; 52, spring; 53, upper boss; 54, suction cup; 55, lower boss; 6, heat absorption mechanism; 61, No. 1 electric telescopic sleeve; 62, heat conducting plate; 63, water tank; 64 , No. 2 water pump; 7, power assembly; 71, No. 2 motor; 72, belt drive pair; 8, adjustment mechanism; 81, electric sleeve rod; 82, scraper; 83, capsule; 84, gear; 9, thrust mechanism; 91, No. 1 air pump; 92, one-way solenoid valve; 10, No. 2 air pump; 11, lower mold; 12, driving rod; 13, upper mold plate; 14, rotating frame; 15, No. 2 electric telescopic sleeve; 16, fixed frame. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0024] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0025] like Figure 1-Figure 7 As shown, an automatic demoulding device for plastic injection molding provided by the present invention comprises an injection molding table 1, a lower mold 11 is fixedly connected to the middle part of the injection molding table 1, a support frame 2 is fixedly connected to the upper end surface of the injection molding table 1, a driving rod 12 is fixedly connected to the support frame 2, an upper mold plate 13 is fixedly connected to the telescopic end of the driving rod 12, the support frame 2 is rotatably connected to a rotating frame 14, a driving component 3 for driving the rotating frame 14 to rotate is arranged on the support frame 2, a No. 2 electric telescopic sleeve 15 is fixedly connected to the lower end surface of the rotating frame 14, the No. 2 electric telescopic sleeve 15 is fixedly connected to a fixed frame 16, the fixed frame 16 is a cross, and the end surface of the fixed frame 16 is provided with a pulling mechanism 5, all the pulling mechanisms 5 are commonly connected to a No. 2 air pump 10, all the pulling mechanisms 5 can jointly adsorb the surface of the injection molded parts, and the pulling mechanisms 5 jointly pull the injection molded parts upward to the outside of the lower mold 11, and the pulling mechanisms 5 can detect the posture change of the injection molded parts when they move; The rotating frame 14 is rotatably connected with a heat absorbing mechanism 6, and the heat absorbing mechanism 6 can contact the surface of the injection molded part to dissipate heat. The rotating frame 14 is provided with a power assembly 7, and the power assembly 7 can drive the heat absorbing mechanism 6 to rotate. The heat absorbing mechanism 6 is connected with a plurality of adjustment mechanisms 8, and all the adjustment mechanisms 8 can simultaneously clean the burrs on the surface of the injection molded part. In addition, when the injection molded part is tilted and stuck in the lower mold 11, all the adjustment mechanisms 8 can adjust the posture of the injection molded part; The four side walls of the lower mold 11 are all connected to cooling mechanisms 4, and all cooling mechanisms 4 can jointly cool the injection molded parts in the lower mold 11. The lower mold 11 is connected to a thrust mechanism 9, and the thrust mechanism 9 can apply air pressure to the injection molded parts in the lower mold 11.

[0026] In this embodiment, after the injection molded part in the lower mold 11 is cooled, the driving rod 12 is started to drive the upper mold plate 13 to open, the driving assembly 3 is started to drive the rotating frame 14 to rotate, and the rotating frame 14 drives all the tension mechanisms 5 to move above the injection molded part; First, the heat absorption mechanism 6 is started to perform contact heat dissipation on the surface of the injection molded part, and all the adjustment mechanisms 8 can clean the burrs on the surface of the injection molded part. Then, all the tension mechanisms 5 jointly adsorb the surface of the injection molded part, and the tension mechanisms 5 jointly pull the injection molded part upward to the outside of the lower mold 11. In this process, the tension mechanisms 5 can detect the posture change of the injection molded part when it moves; When the injection molded part moves upward, the injection molded part is easily thermally adhered to the inner wall of the lower mold 11, resulting in different friction forces on the four side walls of the injection molded part, causing the injection molded part to easily tilt when moving upward in the lower mold 11, thereby causing the injection molded part to be stuck in the lower mold 11; In this embodiment, the tension mechanism 5 can detect the posture change of the injection molded part when it moves. Then, when the injection molded part is tilted and stuck in the lower mold 11, all the adjustment mechanisms 8 can adjust the posture of the injection molded part. During this process, the thrust mechanism 9 provides an upward thrust to the injection molded part, thereby preventing the tension mechanism 5 from being separated from the injection molded part. All cooling mechanisms 4 can jointly cool the injection molded parts in the lower mold 11. When the tension mechanism 5 detects that the adhesion between the side wall of the injection molded part and the corresponding side wall of the lower mold 11 is too large, the cooling mechanism 4 on the outer side of the corresponding side wall of the lower mold 11 will increase its own power to enhance the cooling effect of the sticky part of the lower mold 11, thereby avoiding similar sticking situations in the subsequent production process.

[0027] like Figure 5 As shown, it is an automatic demoulding device for plastic injection molding provided by the present invention, wherein the pulling mechanism 5 includes a sleeve 51, a spring 52, an upper boss 53 and a suction cup 54; A suction cup 54 is fixedly connected to the bottom end of the sleeve 51, and the sleeve 51 is communicated with the suction cup 54. An upper boss 53 and a lower boss 55 are fixedly connected to the sleeve 51. One end of the fixing frame 16 is slidably connected between the upper boss 53 and the lower boss 55. The spring 52 is arranged between the upper boss 53 and the fixing frame 16, and a pressure sensor is arranged between the spring 52 and the upper boss 53.

[0028] In this embodiment, the No. 2 electric telescopic sleeve 15 is started to extend, and the No. 2 electric telescopic sleeve 15 drives the fixing frame 16 to move downward, and the fixing frame 16 pushes all the suction cups 54 to adsorb to the upper surface of the injection molded part, and then the No. 2 air pump 10 is started, and the No. 2 air pump 10 extracts the air inside the sleeve 51, thereby forming a negative pressure environment in the sleeve 51, so that the suction cups 54 are adsorbed and fixed to the surface of the injection molded part; Then the second electric telescopic sleeve 15 is started to contract, and the second electric telescopic sleeve 15 pulls all the sleeves 51 through the fixing frame 16, and all the sleeves 51 pull the injection molded parts upward together, and at this time all the springs 52 elastically contract; When the pressure difference between the pressure sensors exceeds the preset pressure difference threshold, it means that the upper surface of the injection molded part is tilted and the injection molded part is stuck in the lower mold 11. At this time, the adjustment mechanism 8 starts to adjust the position of the injection molded part.

[0029] like Figure 6 As shown, an automatic demoulding device for plastic injection molding provided by the present invention, the heat absorption mechanism 6 includes a No. 1 electric telescopic sleeve 61 and a heat-conducting plate 62, the fixed end of the No. 1 electric telescopic sleeve 61 is fixedly connected to the injection molding table 1, the telescopic end of the No. 1 electric telescopic sleeve 61 is rotatably connected to the heat-conducting plate 62, the rotating frame 14 is fixedly connected to a water tank 63, the water tank 63 is connected to a No. 2 water pump 64, a water pipe is connected between the No. 2 water pump 64 and the upper end of the No. 1 electric telescopic sleeve 61, a rotating joint is connected between the water pipe and the fixed end of the No. 1 electric telescopic sleeve 61, and the No. 1 electric telescopic sleeve 61 is connected to the heat-conducting plate 62.

[0030] In this embodiment, when the plastic part in the lower mold 11 is demolded, the No. 1 electric telescopic sleeve 61 is first started to extend, and the No. 1 electric telescopic sleeve 61 drives the heat conducting plate 62 to move downward. The heat conducting plate 62 performs contact cooling on the upper surface of the injection molded part to avoid thermal adhesion between the suction cup 54 and the injection molded part.

[0031] like Figure 4 As shown, an automatic demoulding device for plastic injection molding provided by the present invention, the power assembly 7 includes a No. 2 motor 71 and a belt transmission pair 72, the No. 2 motor 71 is fixedly connected to the rotating frame 14, and the belt transmission pair 72 is connected between the output shaft of the No. 2 motor 71 and the fixed end of the No. 1 electric telescopic sleeve 61.

[0032] In this embodiment, the second motor 71 is started, and the second motor 71 can drive the first electric telescopic sleeve 61 to rotate through the belt transmission pair 72 .

[0033] like Figure 7 As shown, it is an automatic demoulding device for plastic injection molding provided by the present invention, wherein the adjustment mechanism 8 includes an electric sleeve rod 81, a scraper bar 82, a capsule 83 and a gear 84; The telescopic end of the No. 1 electric telescopic sleeve 61 is rotatably connected to a plurality of electric sleeve rods 81, and the telescopic end of the electric sleeve rod 81 is fixedly provided with a plurality of scraper strips 82, all of which are inclined in one rotation direction, and capsules 83 are provided in the scraper strips 82, and all of the capsules 83 are connected to the telescopic end of the electric sleeve rod 81, and the electric sleeve rods 81 are connected to the No. 1 electric telescopic sleeve 61, and the fixed end of the electric sleeve rod 81 is fixedly connected with a gear 84, and all of the gears 84 can engage with the upper end surface of the heat conducting plate 62.

[0034] In this embodiment, when cleaning the burrs on the surface of the injection molded part, all the electric sleeve rods 81 are started to extend. At this time, under the drive of the power assembly 7, the No. 1 electric telescopic sleeve 61 drives all the electric sleeve rods 81 to perform circular motion around the axis of the No. 1 electric telescopic sleeve 61. At this time, the heat conducting plate 62 abuts against the upper surface of the injection molded part. Under the meshing action of the gear 84 and the upper surface of the heat conducting plate 62, the electric sleeve rods 81 perform circular motion around the axis of the No. 1 electric telescopic sleeve 61. At the same time, all the electric sleeve rods 81 rotate themselves, and all the electric sleeve rods 81 drive all the scraping strips 82 to scrape off the burrs on the surface of the injection molded part. When the burrs are scraped off, the No. 1 electric telescopic sleeve 61 is stopped, and all the electric sleeve rods 81 are controlled to retract and reset. After the burrs on the surface of the injection molded part are scraped off, it can be avoided that the suction cup 54 and the surface of the injection molded part cannot be adsorbed and fixed; When the posture of the injection molded part surface is adjusted, the No. 2 water pump 64 is started, and the No. 2 water pump 64 increases the water pressure in the electric sleeve rod 81 through the No. 1 electric telescopic sleeve 61. The water pressure in all capsules 83 connected to the electric sleeve rod 81 increases. At this time, the extrusion force between the capsule 83 and the upper surface of the injection molded part increases, and the No. 2 motor 71 is started. Under the drive of the No. 2 motor 71, the No. 1 electric telescopic sleeve 61 drives all the electric sleeve rods 81 to rotate around the axis of the No. 1 electric telescopic sleeve 61. At this time, the electric sleeve rod 81 applies pressure to the entire surface of the injection molded part through pressure, so that the upwardly raised part of the injection molded part moves downward, so that the injection part is released from the clamping connection with the inner wall of the lower mold 11; further, the scraper bar 82 drives the capsule 83 to rotate along the upper surface of the injection molded part, which can correct the posture of the injection molded part while avoiding the formation of indentations on the surface of the injection molded part.

[0035] like Figure 3 As shown, an automatic demoulding device for plastic injection molding provided by the present invention, the thrust mechanism 9 includes a No. 1 air pump 91 and a one-way solenoid valve 92, the No. 1 air pump 91 is fixedly connected to the outer end surface of the lower mold 11, the air outlet of the No. 1 air pump 91 is connected to the interior of the lower mold 11, and the bottom of the lower mold 11 is connected to the one-way solenoid valve 92.

[0036] In this embodiment, start the No. 1 air pump 91 to increase the air pressure in the lower mold 11, thereby generating an upward thrust on the molded parts. When the air pressure reaches the set value, the thrust mechanism 9 is turned on and exhausts air to the outside. During this process, the No. 1 air pump 91 applies air pressure to the injection molding table 1 to help the molded parts to be demolded. At the same time, the No. 1 air pump 91 cooperates with the one-way solenoid valve 92 to discharge the hot air in the lower mold 11, thereby accelerating the cooling of the inner wall of the lower mold 11 and the molded parts during the demolding process. Adjusting the set pressure value of the one-way solenoid valve 92 can control the size of the air pressure thrust on the injection molded parts.

[0037] like Figure 3As shown, an automatic demolding device for plastic injection molding provided by the present invention, the cooling mechanism 4 includes a No. 1 water pump 41 and a cooling pipe 42, a No. 1 water pump 41 is respectively arranged on the four sides of the lower mold 11, and cooling channels are respectively arranged on the four side walls of the lower mold 11, and both ends of each cooling channel are connected to the water inlet and outlet of a No. 1 water pump 41 through a cooling pipe 42.

[0038] In this embodiment, when the tension mechanism 5 detects that the viscosity between the side wall of one side of the injection molded part and the corresponding side wall of the lower mold 11 is too large, the water pump No. 1 41 on the outer side of the corresponding side wall of the lower mold 11 will increase its own power. The water pump No. 1 drives the cooling water to accelerate the circulation flow in the side wall of one side of the lower mold 11, thereby improving the cooling effect of the lower mold 11 where the sticking occurs, and avoiding similar sticking situations in the subsequent production process.

[0039] like Figure 2 As shown, it is an automatic demoulding device for plastic injection molding provided by the present invention, the driving assembly 3 includes a first motor 31, a driving wheel 32 and a gear sleeve 33; The No. 1 motor 31 is fixedly connected to the support frame 2 , the output shaft of the No. 1 motor 31 is fixedly connected to the driving wheel 32 , one end of the rotating frame 14 is fixedly connected to a gear sleeve 33 , the gear sleeve 33 is rotatably connected to the support frame 2 , and the gear sleeve 33 is meshed with the driving wheel 32 .

[0040] In this embodiment, the No. 1 motor 31 is started, the No. 1 motor 31 drives the driving wheel 32 to rotate, and the driving wheel 32 drives the rotating frame 14 to rotate by engaging with the gear sleeve 33. When the pulling mechanism 5 pulls the injection molded part out of the lower mold 11, the rotating frame 14 can drive the injection molded part to move to one side.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0042] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An automatic demoulding device for plastic injection molding, comprising an injection molding table (1), characterized in that: The upper end surface of the injection molding table (1) is fixedly connected to a support frame (2), the support frame (2) is rotatably connected to a rotating frame (14), the support frame (2) is provided with a driving component (3) for driving the rotating frame (14) to rotate, the lower end surface of the rotating frame (14) is fixedly connected to a No. 2 electric telescopic sleeve (15), the No. 2 electric telescopic sleeve (15) is fixedly connected to a fixed frame (16), the fixed frame (16) is cross-shaped, and the end surface of the fixed frame (16) is provided with a pulling mechanism (5), all the pulling mechanisms (5) are commonly connected to a No. 2 air pump (10), all the pulling mechanisms (5) can jointly adsorb the surface of the injection molded part, and at the same time, the pulling mechanisms (5) jointly pull the injection molded part upward to the outside of the lower mold (11), and the pulling mechanisms (5) can detect the change in posture of the injection molded part when it moves; The rotating frame (14) is rotatably connected to a heat absorbing mechanism (6), and the heat absorbing mechanism (6) can contact-type heat dissipation on the surface of the injection molded part. The rotating frame (14) is provided with a power assembly (7), and the power assembly (7) can drive the heat absorbing mechanism (6) to rotate. The heat absorbing mechanism (6) is connected to a plurality of adjustment mechanisms (8), and all the adjustment mechanisms (8) can simultaneously clean burrs on the surface of the injection molded part. In addition, when the injection molded part is tilted and stuck in the lower mold (11), all the adjustment mechanisms (8) can adjust the position of the injection molded part. The four side walls of the lower mold (11) are all connected to cooling mechanisms (4), and all cooling mechanisms (4) can jointly cool the injection molded parts in the lower mold (11). The lower mold (11) is connected to a thrust mechanism (9), and the thrust mechanism (9) can apply air pressure to the injection molded parts in the lower mold (11).

2. The automatic demoulding equipment for plastic injection molding according to claim 1, characterized in that: The pulling mechanism (5) comprises a sleeve (51), a spring (52), an upper boss (53) and a suction cup (54); The bottom end of the sleeve (51) is fixedly connected to a suction cup (54), the sleeve (51) is communicated with the suction cup (54), an upper boss (53) and a lower boss (55) are fixedly connected to the sleeve (51), one end of the fixing frame (16) is slidably connected between the upper boss (53) and the lower boss (55), the spring (52) is arranged between the upper boss (53) and the fixing frame (16), and a pressure sensor is arranged between the spring (52) and the upper boss (53).

3. The automatic demoulding equipment for plastic injection molding according to claim 1, characterized in that: The heat absorption mechanism (6) comprises a No. 1 electric telescopic sleeve (61) and a heat conducting plate (62); the fixed end of the No. 1 electric telescopic sleeve (61) is fixedly connected to the injection molding table (1); the telescopic end of the No. 1 electric telescopic sleeve (61) is rotatably connected to the heat conducting plate (62); a water tank (63) is fixedly connected to the rotating frame (14); the water tank (63) is connected to a No. 2 water pump (64); a water pipe is connected between the No. 2 water pump (64) and the upper end of the No. 1 electric telescopic sleeve (61); a rotatable joint is connected between the water pipe and the fixed end of the No. 1 electric telescopic sleeve (61); the No. 1 electric telescopic sleeve (61) is in communication with the heat conducting plate (62).

4. The automatic demoulding equipment for plastic injection molding according to claim 3, characterized in that: The power assembly (7) comprises a No. 2 motor (71) and a belt transmission pair (72); the No. 2 motor (71) is fixedly connected to the rotating frame (14); and the belt transmission pair (72) is connected between the output shaft of the No. 2 motor (71) and the fixed end of the No. 1 electric telescopic sleeve (61).

5. The automatic demoulding equipment for plastic injection molding according to claim 3, characterized in that: The regulating mechanism (8) comprises an electric sleeve rod (81), a scraper bar (82), a capsule (83) and a gear (84); The telescopic end of the first electric telescopic sleeve (61) is rotatably connected to a plurality of electric sleeve rods (81); the telescopic end of the electric sleeve rod (81) is fixedly provided with a plurality of scraping strips (82); all the scraping strips (82) are tilted in one rotation direction; capsules (83) are provided in the scraping strips (82); all the capsules (83) are connected to the telescopic end of the electric sleeve rod (81); the electric sleeve rods (81) are connected to the first electric telescopic sleeve (61); the fixed end of the electric sleeve rod (81) is fixedly connected with a gear (84); all the gears (84) are capable of meshing with the upper end surface of the heat conducting plate (62).

6. The automatic demoulding equipment for plastic injection molding according to claim 1, characterized in that: The thrust mechanism (9) comprises a first air pump (91) and a one-way solenoid valve (92); the first air pump (91) is fixedly connected to the outer end surface of the lower mold (11); an air outlet of the first air pump (91) is connected to the interior of the lower mold (11); and the bottom of the lower mold (11) is connected to the one-way solenoid valve (92).

7. The automatic demoulding equipment for plastic injection molding according to claim 1, characterized in that: The cooling mechanism (4) comprises a water pump (41) and a cooling pipe (42); the four sides of the lower mold (11) are respectively provided with a water pump (41); and the four side walls of the lower mold (11) are respectively provided with cooling channels; both ends of each cooling channel are connected to a water inlet and a water outlet of the water pump (41) via the cooling pipe (42).

8. The automatic demoulding equipment for plastic injection molding according to claim 1, characterized in that: The driving assembly (3) comprises a first motor (31), a driving wheel (32) and a gear sleeve (33); The first motor (31) is fixedly connected to the support frame (2); the output shaft of the first motor (31) is fixedly connected to a driving wheel (32); one end of the rotating frame (14) is fixedly connected to a gear sleeve (33); the gear sleeve (33) is rotatably connected to the support frame (2); and the gear sleeve (33) is meshed with the driving wheel (32).

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