CN113276367A

CN113276367A - Injection molding equipment with automatic discharging function

Info

Publication number: CN113276367A
Application number: CN202110337352.6A
Authority: CN
Inventors: 张娟
Original assignee: Individual
Current assignee: Shaoguan Dongzhu Industrial Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-08-20
Anticipated expiration: 2041-03-30
Also published as: CN113276367B

Abstract

The invention discloses injection molding equipment with an automatic discharging function, which comprises a bottom plate, a supporting platform, side brackets, a first vertical supporting rod, a second vertical supporting rod, a slideway plate and the like, wherein the bottom plate is provided with a first vertical supporting rod and a second vertical supporting rod; the bottom plate is fixedly provided with a supporting platform, a first vertical supporting rod, a second vertical supporting rod and a slideway plate, wherein the supporting platform and the slideway plate are positioned at two sides of the first vertical supporting rod and the second vertical supporting rod, the first vertical supporting rod is symmetrically provided with two supporting platforms which are close to each other, the second vertical supporting rod is close to the slideway plate, and a side bracket is fixedly arranged at one side of the supporting platform far away from the first vertical supporting rod. Compared with manual demoulding, the automatic demoulding device has the advantages of good demoulding quality, high efficiency and automatic demoulding.

Description

Injection molding equipment with automatic discharging function

Technical Field

The invention relates to the field of injection molding, in particular to injection molding equipment with an automatic discharging function.

Background

Injection molding is a method for producing and molding industrial products, and is a method for manufacturing plastic products with various shapes by injecting thermoplastic plastics or thermosetting materials into a plastic molding die through injection molding equipment, wherein a plastic basin is a plastic container commonly used in our daily life at present. The plastic basin is made of general plastic, and has the performance of low cost, high durability, high corrosion resistance, no reaction with acid and alkali and excellent insulator. Plastic pots are commonly used for household goods. High quality plastic products are also used in catering, medical appliances, etc. Corrosion resistant plastic pots are also used in chemical containers.

In injection molding, the mechanism for safely and undamaged ejecting the cooled and solidified plastic product and the casting system from the mold is called a mold-releasing mechanism, also called an ejector mechanism or an ejector mechanism. The safe and nondestructive means that the plastic part is not deformed, damaged, stuck and white in top when being demoulded, and the attractive appearance of the plastic part is not influenced by the position of the thimble. The demolding mode of the plastic basin is generally manual demolding, and a worker buckles a finished product out of the mold through fingers after the injection molding is finished, so that the efficiency is low, the quality of the finished product is influenced, and the following principle should be followed during demolding; ejection is balanced, care should be taken of the aesthetics of the plastic part, and mold release forces must be applied to the lowermost end of the plastic part to push the plastic part out, rather than pull it out.

Therefore, it is necessary to design an injection molding apparatus with good demolding quality, high efficiency and automatic demolding.

Disclosure of Invention

In order to solve the technical defects in the prior art, the invention provides the injection molding equipment which has good demolding quality and high efficiency and can perform automatic demolding.

In order to solve the technical problem, the invention discloses injection molding equipment with an automatic discharging function, which comprises a bottom plate, a supporting platform, side supports, a first vertical supporting rod, a second vertical supporting rod, a slideway plate, a pushing component and a shaping component, wherein the bottom plate is fixedly provided with the supporting platform, the first vertical supporting rod, the second vertical supporting rod and the slideway plate, the supporting platform and the slideway plate are positioned at two sides of the first vertical supporting rod and the second vertical supporting rod, the first vertical supporting rod is symmetrically provided with two supporting rods, the two supporting rods are both close to the supporting platform, the second vertical supporting rod is close to the slideway plate, the side supports are fixedly arranged at one sides of the supporting platform far away from the first vertical supporting rod, the pushing component is respectively connected with the supporting platform and the side supports, the shaping component is fixedly connected with the bottom plate, and the shaping component is respectively connected with the second vertical supporting rod, the slideway plate and the pushing component.

According to a preferred technical scheme, the pushing assembly comprises a U-shaped frame, a heating barrel, side sliding plates, a feeding port, a rack, a power motor, an air cylinder, a flood dragon, a feeding assembly and a die breaking assembly, the U-shaped frame is fixedly arranged on one side, far away from a bottom plate, of a supporting platform, the heating barrel is fixedly and slidably connected with the U-shaped frame through the two side sliding plates symmetrically arranged on two sides, the heating barrel is in sliding contact with the U-shaped frame, the upper portion of the heating barrel is provided with the feeding port communicated with the interior of the heating barrel, the feeding port is provided with the feeding assembly, the rack is arranged on the outer side wall of the heating barrel, one side, far away from the rack, of the heating barrel is provided with a discharging port, the discharging port is connected with the die breaking assembly, the power motor is arranged on the rack, a power shaft of the flood dragon is fixedly connected with an output shaft of the power motor, the flood dragon is arranged inside the heating barrel, the air cylinder is arranged on the side rack, and a push rod of the air cylinder is fixedly connected with the rack.

As a preferred technical scheme of the invention, the heating device comprises a heating pipe, wherein the heating pipe is arranged in a cavity inside a U-shaped frame, and the heating pipe can continuously heat a heating barrel.

As a preferred technical scheme, the feeding assembly comprises a side frame, a first spur rack, a second U-shaped support, a first U-shaped support, a rotating shaft, a first gear, a push rod and a reciprocating device, wherein the side frame is fixedly arranged at a position, close to a rack, of the U-shaped support, the first spur rack is fixedly arranged at the upper portion of the side frame, the first U-shaped support is fixedly arranged on the side of a feeding hole, the first U-shaped support is fixedly connected with the second U-shaped support, the rotating shaft penetrates through the second U-shaped support in a rotating mode, the first gear and the reciprocating device are respectively and fixedly connected with two ends of the rotating shaft, the first gear is meshed with the first spur rack, the reciprocating device is provided with the push rod, and the push rod is connected with the first U-shaped support in a sliding mode.

As a preferred technical scheme of the invention, the reciprocating device comprises a rotary disc, a cylinder and a sliding sleeve, wherein the rotary disc is fixedly connected with one end of the rotating shaft, which is far away from the gear, the rotary disc is in rotating fit with one end of the U-shaped support, the cylinder is fixedly arranged at the position, which is far away from the circle center, of the rotary disc, the sliding sleeve is fixedly connected with the push rod, and the sliding sleeve is matched with the cylinder.

As a preferred technical scheme of the invention, the die-cutting assembly comprises a nut, a hollow screw and a connecting shaft sleeve, the hollow screw is rotatably connected with a discharge hole of the heating barrel through the connecting shaft sleeve, the nut is fixedly arranged at the upper end of the second vertical supporting rod, and the nut is in threaded fit with the hollow screw.

As a preferred technical scheme of the invention, the shaping assembly comprises a movable mould, a sliding round rod, a fixed mould, a base plate, a power rod, a pressure spring, an elliptical plate, an L-shaped rod and a connecting plate, wherein the movable mould is connected with a slideway plate in a sliding way, the movable mould is matched with a hollow screw rod in a rotating way, three corners of the movable mould are respectively and fixedly provided with the sliding round rod, the fixed mould is fixedly arranged on a bottom plate, the sliding round rod on the movable mould penetrates through the fixed mould in a sliding way, the fixed mould is matched with the movable mould in a sealing way, the discharge end of the hollow screw rod is positioned in a cavity between the fixed mould and the movable mould, the L-shaped rod is fixedly connected with the outer wall of the fixed mould, the connecting plate is fixedly connected with the L-shaped rod, the power rod penetrates through the L-shaped rod in a sliding way and is fixedly connected with the base plate at the end part, the base plate is matched with the fixed mould in a sliding way, the base plate, the fixed mould and the movable mould are matched to form a sealed cavity, the pressure spring is sleeved on the power rod, the L-shaped rod is contacted with the elliptical plate in a rotating way, one end part far away from the base plate, the center of the elliptic plate is matched with the connecting plate in a rotating way.

As a preferred technical scheme, the device further comprises a power round rod, a straight rack II, a fixed rod, a gear II, a gear III, a ring-shaped rod, a straight rack III, a touch connecting rod and a roller, wherein the power round rod is fixedly arranged at the other corner of the movable mold, the power round rod penetrates through the fixed mold in a sliding mode and is fixedly connected with the straight rack II, the fixed rod is fixedly connected with the outer side wall of the fixed mold, the fixed rod is connected with the straight rack II in a sliding mode, the gear II is coaxial and fixedly connected with the gear III, a central shaft of the gear II and the gear III are rotatably connected with the fixed rod, the ring-shaped rod is fixedly connected to the outer side wall of the fixed mold, the ring-shaped rod is located right below the fixed rod, the straight rack III is connected with the ring-shaped rod in a sliding mode, the straight rack III is meshed with the gear III, the touch connecting rod is fixedly arranged at the side part of the straight rack III, the end part of the touch connecting rod is provided with the roller, and the roller is in contact with the elliptical plate.

As a preferable technical scheme, the device further comprises two contact blocks, two pin rods and a first spring, the two contact blocks are symmetrically arranged, the contact blocks are in sliding connection with the tracks on the U-shaped frame and touch the side sliding plates, two pin rods penetrate through each first vertical supporting rod, each contact block is fixedly connected with the two adjacent pin rods, each pin rod is sleeved with the first spring, and two ends of each first spring are respectively in contact with the first vertical supporting rod and the contact blocks.

Compared with the prior art, the invention has the following advantages:

according to the invention, when the movable mold is separated from the fixed mold, the hollow screw is matched with the nut, so that the nut rotates to drive the injection molding part to rotate, the mold core and the injection molding part are fractured, meanwhile, the movable mold enables the power round rod to move, so that power is provided for the demolding structure, finally, the power rod drives the chassis to push the injection molding part away from the fixed mold through power transmission, and when the movable mold and the fixed mold are closed, the chassis and the power rod are reset relative to the movable mold under the action of the pressure spring, so that demolding of the injection molding part is completed.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic partial perspective view of the material pushing assembly according to the present invention.

FIG. 3 is a cross-sectional view of a U-shaped frame of the present invention.

Fig. 4 is a schematic perspective view of the reciprocating device of the present invention.

Fig. 5 is a schematic perspective view of the cylinder of the present invention.

Fig. 6 is a schematic perspective view of the die-cutting assembly according to the present invention.

Fig. 7 is a schematic perspective view of a fixed mold and a base plate according to the present invention.

Fig. 8 is a partial perspective view of the present invention.

Fig. 9 is a schematic perspective view of the roller according to the present invention.

Fig. 10 is a schematic perspective view of a contact block, a pin rod and a first spring according to the present invention.

Wherein: 1-bottom plate, 101-support table, 1011-side support, 102-first vertical support rod, 103-second vertical support rod, 104-slideway plate, 2-U-shaped support, 201-heating barrel, 2011-side sliding plate, 2012-feeding port, 202-frame, 203-power motor, 2031-cylinder, 204-dragon, 3-side support, 301-straight rack I, 302-U-shaped support I, 303-U-shaped support II, 304-rotating shaft, 305-gear I, 306-rotating disk, 3061-cylinder, 307-sliding sleeve, 308-push rod, 4-touch block, 401-pin rod, 402-spring I, 5-nut, 501-hollow screw rod, 502-connecting shaft sleeve, 6-heating pipe, 7-movable mold, 701-sliding round rod, 702-fixed die, 703-chassis, 7031-power rod, 7032-pressure spring, 7033-elliptical plate, 805-L-shaped rod, 8051-connecting plate, 8-power circular rod, 801-straight rack II, 802-fixed rod, 803-gear II, 804-gear III, 806-annular rod, 8041-straight rack III, 8042-touch connecting rod and 8043-roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, an injection molding device with an automatic discharging function comprises a bottom plate 1, a supporting platform 101, a side support 1011, a first vertical support rod 102, a second vertical support rod 103, a chute plate 104, a pushing component and a shaping component, wherein the supporting platform 101, the first vertical support rod 102, the second vertical support rod 103 and the chute plate 104 are fixedly installed on the upper side of the bottom plate 1, the supporting platform 101 and the chute plate 104 are located on the left side and the right side of the first vertical support rod 102 and the second vertical support rod 103, the first vertical support rod 102 is symmetrically provided with two front and back parts, the two parts are located on the left side of the supporting platform 101, the second vertical support rod 103 is located on the right side of the chute plate 104, the side support 1011 is fixedly installed on the right side of the supporting platform 101, the pushing component is respectively connected with the supporting platform 101 and the side support 1011, the bottom plate 1 of the shaping component is fixedly connected with the shaping component, and the shaping component is respectively connected with the second vertical support rod 103, the chute plate 104 and the pushing component.

As shown in fig. 1-3, the pushing assembly includes a U-shaped frame 2, a heating barrel 201, a side sliding plate 2011, a feeding port 2012, a frame 202, a power motor 203, a cylinder 2031, a flood dragon 204, a feeding assembly and a die breaking assembly, the U-shaped frame 2 is fixedly installed on the upper side of the supporting platform 101, the heating barrel 201 is fixedly and slidably connected with the U-shaped frame 2 through two side sliding plates 2011 symmetrically arranged on the front and rear sides, the heating barrel 201 is in sliding contact with the U-shaped frame 2, the right upper portion of the heating barrel 201 is provided with the feeding port 2012 communicated with the inside thereof, the feeding assembly is installed on the feeding port 2012, the frame 202 is installed on the right side wall of the heating barrel 201, the left side of the heating barrel 201 is provided with a discharging port connected with the die breaking assembly, the power motor 203 is installed on the frame 202, a power shaft of the flood dragon 204 is fixedly connected with an output shaft of the motor 203, the flood dragon 204 is installed inside the heating barrel 201, the cylinder 2031 is installed on the upper portion of the side frame 1011, the cylinder 2031 push rod 308 is fixedly connected with the frame 202.

As shown in fig. 3, a heating pipe 6 is included, the heating pipe 6 is disposed in the cavity inside the U-shaped frame 2, and the heating pipe 6 can continuously heat the heating barrel 201.

As shown in fig. 2 and 4, the feeding assembly comprises a side frame 3, a first spur rack 301, a second U-shaped support 303, a first U-shaped support 302, a rotating shaft 304, a first gear 305, a push rod 308 and a reciprocating device, wherein the side frame 3 is fixedly arranged at the right rear side of the first U-shaped support 2, the first spur rack 301 is fixedly arranged at the upper part of the side frame 3, the first U-shaped support 302 is fixedly arranged at the side of the feed port 2012, the first U-shaped support 302 is fixedly connected with the second U-shaped support 303, the rotating shaft 304 rotatably penetrates through the second U-shaped support 303, the first gear 305 and the reciprocating device are respectively fixedly connected with two ends of the rotating shaft 304, the first gear 305 is meshed with the first spur rack 301, the push rod 308 is arranged on the reciprocating device, and the push rod 308 is slidably connected with the first U-shaped support 302.

As shown in fig. 4-5, the reciprocating device includes a rotating disc 306, a cylinder 3061 and a sliding sleeve 307, the rotating disc 306 is fixedly connected with the front end of the rotating shaft 304, the rotating disc 306 is rotatably matched with the first U-shaped bracket 302, the cylinder 3061 is fixedly arranged at a position far away from the center of the circle on the rotating disc 306, the sliding sleeve 307 is fixedly connected with the push rod 308, and the sliding sleeve 307 is matched with the cylinder 3061.

As shown in fig. 6, the die-cutting assembly includes a nut 5, a hollow screw 501 and a coupling sleeve 502, the hollow screw 501 is rotatably connected with the left side of the discharge port of the heating barrel 201 through the coupling sleeve 502, the nut 5 is fixedly mounted at the upper end of the second vertical support rod 103, and the nut 5 is in threaded fit with the hollow screw 501.

As shown in fig. 6-8, the shaping assembly comprises a movable mold 7, a sliding round bar 701, a fixed mold 702, a bottom plate 703, a power bar 7031, a pressure spring 7032, an elliptical plate 7033, an L-shaped bar 805 and a connecting plate 8051, wherein the movable mold 7 is slidably connected with the upper side of the chute plate 104, the movable mold 7 is rotatably matched with the hollow screw 501, one sliding round bar 701 is fixedly installed on each of three corners of the movable mold 7, the fixed mold 702 is fixedly installed on the left upper side of the bottom plate 1, the sliding round bar 701 on the movable mold 7 slidably passes through the fixed mold 702, the fixed mold 702 is in sealing fit with the movable mold 7, the left end of the hollow screw 501 is located in a cavity between the fixed mold 702 and the movable mold 7, the L-shaped bar 805 is fixedly connected with the left outer wall of the fixed mold 702, the connecting plate 8051 is fixedly connected with the L-shaped bar 805, the power bar 7031 slidably passes through the L-shaped bar 805 and is fixedly connected with the bottom plate 703 at the right end, the bottom plate 703 is slidably matched with the fixed mold 702, the bottom plate 703 is in sliding fit with the fixed mold 703, the bottom plate 703 is matched with the fixed mold 703 and the fixed mold 702, the bottom plate 703, the movable mold 7 to form a sealed cavity, the pressure spring 7032 is sleeved on the power rod 7031, the pressure spring 7032 is in contact with the L-shaped rod 805, the right end of the power rod 7031 is rotatably and slidably connected with an elliptical plate 7033, and the center of the elliptical plate 7033 is in rotating fit with the connecting plate 8051.

As shown in fig. 7-9, the device further comprises a power circular rod 8, a second spur rack 801, a fixed rod 802, a second gear 803, a third gear 804, a ring rod 806, a third spur rack 8041, a touch connecting rod 8042 and a roller 8043, wherein the power circular rod 8 is fixedly installed at one corner of the rear upper part of the movable mold 7, the power circular rod 8 slides leftwards to penetrate through the fixed mold 702 and is fixedly connected with the second spur rack 801, the right end of the fixed rod 802 is fixedly connected with the left side wall of the fixed mold 702, the fixed rod 802 is slidably connected with the second spur rack 801, the second gear 803 is coaxial and fixedly connected with the third gear 804, the central shaft of the second gear 803 and the third gear 804 is rotatably connected with the fixed rod 802, the ring rod 806 is fixedly connected with the left side wall of the fixed mold 702, the ring rod 806 is positioned under the fixed rod 802, the third spur rack 8041 is slidably connected with the upper side of the ring rod 806, the third spur rack 8041 is meshed with the third gear 804, the touch connecting rod 8042 is fixedly installed at the front part of the third spur rack 8041, the left end of the touch connecting rod 8042 is provided with a roller 8043, and the roller 8043 is in contact with the elliptical plate 7033.

As shown in fig. 10, the device further comprises two contact blocks 4, two pin rods 401 and two springs, the two contact blocks 4 are symmetrically arranged in front and back, the contact blocks 4 are slidably connected with the rails on the U-shaped frame 2, the contact blocks 4 touch the side sliding plate 2011, the two pin rods 401 penetrate through the upper portion of each first vertical supporting rod 102, each contact block 4 is fixedly connected with the two adjacent pin rods 401, each pin rod 401 is sleeved with one spring 402, and two ends of each spring 402 are respectively in contact with the first vertical supporting rod 102 and the contact block 4.

The working principle is as follows:

before the injection molding equipment works, a worker needs to electrify the heating pipe 6, after the heating pipe 6 is preheated, plastic raw materials can be added into the heating barrel 201 through the feeding hole 2012, the cylinder 2031 is started after plastics in the heating barrel 201 are completely melted, the cylinder 2031 can drive the whole pushing material assembly to move towards the molding assembly, the feeding hole 2012 can drive the U-shaped bracket II 303 to move, the U-shaped bracket II 303 can drive the rotating shaft 304 and the gear I305 to move, therefore, when the whole pushing material assembly moves, the gear I305 can rotate through the matching with the straight rack I301, the rotating shaft 304 and the turntable 306 can be driven to rotate, when the turntable 306 rotates, the sliding sleeve 307 and the push rod 308 can be driven to reciprocate up and down, so that the plastic raw materials in the feeding hole 2012 can be filled into the heating barrel 201, and the raw materials can be prevented from being clamped at the feeding hole 2012, when cylinder 2031 drives the propelling movement material subassembly and transports to leftmost end, movable mould 7 will seal up the cooperation with cover half 702, and the contact of side slide 2011 accessible and touch 4 plays the effect of buffering, meanwhile, open motor 203, motor 203 will drive the flood dragon 204 and rotate later, just so can continue to send the plastics raw materials that melt in the heating bucket 201 into the mould cavity through hollow screw 501, wait to pour into and close motor 203 after the completion, then still need wait for the mould cooling shaping, just so accomplished the shaping action of mould.

Then the air cylinder 2031 drives the whole material pushing component to return, and the hollow screw 501 is matched with the nut 5 in a threaded manner when returning, so that the connection point of the plastic raw material in the hollow screw 501 and the model is rotationally broken, and at the moment, the injection molded finished product is adhered to the fixed mold 702, and when the hollow screw 501 drives the movable mold 7 to move rightwards, the movable mold 7 drives the spur rack II 801 to move together through the power circular rod 8, so that the gear III 804 is driven to rotate through the matching of the spur rack II 801 and the gear II 803, when the gear III 804 rotates, the gear III drives the touch connecting rod 8042 to move leftwards through the matching with the spur rack III 8041, when the roller 8043 on the touch connecting rod 8042 touches the elliptical plate 7033, the elliptical plate 7033 is driven to rotate along the central axis, so that the power rod 7031 is pushed to move rightwards through the elliptical plate 7033, the chassis 703 is driven to move rightwards, and when the chassis 703 moves, the injection molded part on the mold is pushed away, this completes the final demolding.

The above-mentioned embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and therefore, all equivalent changes made by the contents of the claims of the present invention should be included in the claims of the present invention.

Claims

1. An injection molding device with an automatic discharging function comprises a bottom plate (1), a supporting platform (101), side supports (1011), a first vertical support rod (102), a second vertical support rod (103) and a slide way plate (104), wherein the supporting platform (101), the first vertical support rod (102), the second vertical support rod (103) and the slide way plate (104) are fixedly installed on the bottom plate (1), the supporting platform (101) and the slide way plate (104) are positioned at two sides of the first vertical support rod (102) and the second vertical support rod (103), the first vertical support rod (102) is symmetrically provided with two supporting platforms (101), the second vertical support rod (103) is abutted against the slide way plate (104), the side supports (1011) are fixedly installed at one side of the supporting platform (101) far away from the first vertical support rod (102), the injection molding device is characterized by further comprising a pushing and feeding assembly and a shaping assembly, the pushing and the feeding assembly is respectively connected with the supporting platform (101) and the side supports (1011), the shaping component bottom plate (1) is fixedly connected, and the shaping component is respectively connected with the second vertical supporting rod (103), the sliding channel plate (104) and the pushing component.

2. The injection molding device with the automatic discharging function according to claim 1, wherein the pushing assembly comprises a U-shaped frame (2), a heating barrel (201), side sliding plates (2011), a feeding port (2012), a frame (202), a power motor (203), a cylinder (2031), a dragon (204), a feeding assembly and a die breaking assembly, the U-shaped frame (2) is fixedly installed on one side of the supporting platform (101) far away from the bottom plate (1), the heating barrel (201) is fixedly and slidably connected with the U-shaped frame (2) through the two side sliding plates (2011) symmetrically arranged on two sides, the heating barrel (201) is in sliding contact with the U-shaped frame (2), the feeding port (2012) communicated with the inside of the heating barrel (201) is formed in the upper portion of the heating barrel (201), the feeding assembly is installed on the feeding port (2012), the frame (202) is installed on the outer side wall of the heating barrel (201), and a discharging port is formed in one side of the heating barrel (201) far away from the frame (202), the discharge gate is connected with the die breaking assembly, power motor (203) is installed on frame (202), the power shaft of flood dragon (204) and power motor (203) output shaft fixed connection, flood dragon (204) are located inside heating bucket (201), cylinder (2031) is installed on side support (1011), cylinder (2031) push rod (308) and frame (202) fixed connection.

3. The injection molding device with the automatic discharging function according to claim 2, comprising a heating pipe (6), wherein the heating pipe (6) is arranged in the cavity inside the U-shaped frame (2), and the heating pipe (6) can continuously heat the heating barrel (201).

4. The injection molding device with the automatic discharging function as claimed in claim 2, wherein the feeding assembly comprises a side frame (3), a first spur rack (301), a second U-shaped bracket (303), a first U-shaped bracket (302), a rotating shaft (304), a first gear (305), a push rod (308) and a reciprocating device, the side frame (3) is fixedly installed at a position, close to the rack (202), of the U-shaped bracket (2), the first spur rack (301) is fixedly installed at the upper portion of the side frame (3), the first U-shaped bracket (302) is fixedly installed at the side of the feeding port (2012), the first U-shaped bracket (302) is fixedly connected with the second U-shaped bracket (303), the rotating shaft (304) penetrates through the second U-shaped bracket (303), the first gear (305) and the reciprocating device are respectively fixedly connected with two ends of the rotating shaft (304), the first gear (305) is meshed with the first spur rack (301), the push rod (308) is installed on the reciprocating device, the push rod (308) is connected with the first U-shaped bracket (302) in a sliding mode.

5. The injection molding device with the automatic discharging function according to claim 4, wherein the reciprocating device comprises a rotating disc (306), a cylinder (3061) and a sliding sleeve (307), the rotating disc (306) is fixedly connected with one end, away from the first gear (305), of the rotating shaft (304), the rotating disc (306) is in rotating fit with the first U-shaped bracket (302), the cylinder (3061) is fixedly installed at the position, away from the center of the circle, of the rotating disc (306), the sliding sleeve (307) is fixedly connected with the push rod (308), and the sliding sleeve (307) is matched with the cylinder (3061).

6. The injection molding device with the automatic discharging function according to claim 2, wherein the die-cutting assembly comprises a nut (5), a hollow screw (501) and a connecting shaft sleeve (502), the hollow screw (501) is rotatably connected with the discharging port of the heating barrel (201) through the connecting shaft sleeve (502), the nut (5) is fixedly installed at the upper end of the second vertical supporting rod (103), and the nut (5) is in threaded fit with the hollow screw (501).

7. The injection molding device with the automatic discharging function according to claim 1, wherein the molding assembly comprises a movable mold (7), a sliding round rod (701), a fixed mold (702), a chassis (703), a power rod (7031), a pressure spring (7032), an elliptical plate (7033), an L-shaped rod (805) and a connecting plate (8051), the movable mold (7) is connected with the sliding track plate (104) in a sliding manner, the movable mold (7) is matched with the hollow screw (501) in a rotating manner, the sliding round rods (701) are fixedly arranged on three corners of the movable mold (7), the fixed mold (702) is fixedly arranged on the bottom plate (1), the sliding round rod (701) on the movable mold (7) penetrates through the fixed mold (702) in a sliding manner, the fixed mold (702) is matched with the movable mold (7) in a sealing manner, the discharging end of the hollow screw (501) is positioned in a cavity between the fixed mold (702) and the movable mold (7), and the L-shaped rod (805) is fixedly connected with the outer wall of the fixed mold (702), the connecting plate (8051) is fixedly connected with the L-shaped rod (805), the power rod (7031) penetrates through the L-shaped rod (805) in a sliding mode and is fixedly connected with a chassis (703) at the end portion, the chassis (703) is in sliding fit with the fixed die (702), the chassis (703), the fixed die (702) and the movable die (7) are matched to form a sealed cavity, the power rod (7031) is sleeved with a pressure spring (7032), the pressure spring (7032) is in contact with the L-shaped rod (805), one end, far away from the chassis (703), of the power rod (7031) is in rotary type sliding connection with the elliptical plate (7033), and the center of the elliptical plate (7033) is in rotating fit with the connecting plate (8051).

8. The injection molding device with the automatic discharging function as claimed in claim 1, further comprising a power round bar (8), a second spur rack (801), a fixed bar (802), a second gear (803), a third gear (804), an annular bar (806), a third spur rack (8041), a touch connecting bar (8042) and a roller (8043), wherein the power round bar (8) is fixedly installed at the other corner of the movable mold (7), the power round bar (8) penetrates through the fixed mold (702) in a sliding manner and is fixedly connected with the second spur rack (801), the fixed bar (802) is fixedly connected with the outer side wall of the fixed mold (702), the fixed bar (802) is slidably connected with the second spur rack (801), the second gear (803) is coaxial and fixedly connected with the third gear (804), the central shaft of the second gear (803) and the third gear (804) is rotatably connected with the fixed bar (802), the annular bar (806) is fixedly connected with the outer side wall of the fixed mold (702), the annular rod (806) is located right below the fixing rod (802), the straight rack III (8041) is connected with the annular rod (806) in a sliding mode, the straight rack III (8041) is meshed with the gear III (804), the touch connecting rod (8042) is fixedly installed on the side portion of the straight rack III (8041), a roller (8043) is arranged at the end portion of the touch connecting rod (8042), and the roller (8043) is in contact with the elliptical plate (7033).

9. The injection molding device with the automatic discharging function according to claim 8, further comprising two contact blocks (4), two pin rods (401) and a first spring (402), wherein the two contact blocks (4) are symmetrically arranged, the contact blocks (4) are slidably connected with a rail on the U-shaped frame (2), the contact blocks (4) touch the side sliding plate (2011), two pin rods (401) penetrate through each first vertical support rod (102), each contact block (4) is fixedly connected with two adjacent pin rods (401), each pin rod (401) is sleeved with a first spring (402), and two ends of each first spring (402) are respectively in contact with the first vertical support rod (102) and the contact block (4).