Mould for producing and processing plastic products
By using a motor-driven rotating plate and hydraulic rod system, combined with electromagnetic coil heating and stirring rods, the system automatically removes burrs and evenly mixes materials, solving the problem of low efficiency in burr removal and material uniformity of existing molds, and improving production efficiency and product quality.
Patent Information
- Application Number
- CN202520563922.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-28
AI Technical Summary
Existing plastic product processing molds are inefficient in removing burrs and ensuring material uniformity, and rely heavily on manual labor, resulting in poor production efficiency and product quality.
The system employs a motor-driven rotating plate and hydraulic rod system, combined with electromagnetic coil heating and a stirring rod, to achieve automated burr removal and uniform material mixing. The hydraulic rod and limiting structure ensure molding accuracy and consistency.
It improves the production efficiency of plastic products, reduces manual intervention, ensures material uniformity and molding quality, and reduces labor costs.
Smart Images

Figure CN223904439U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plastic production and processing, specifically to a mould for plastic product production and processing. BACKGROUND
[0002] In the production process of plastic products, moulds are needed to provide specific shapes and structures for plastics, and specific plastic product processing moulds are tools used in the plastic processing industry to produce and manufacture plastic products, which can produce plastic products of various shapes and sizes and are widely used in automobiles, home appliances, electronic communications, daily necessities and many other fields.
[0003] The plastic product processing mould adds plastic raw materials into a hopper and melts them into a molten state through heating, uses an injection device to push the molten plastic into the mould and fill the entire cavity, cools and solidifies the plastic in the cavity to form the required shape and size of the plastic product, opens the mould after cooling, and the solidified plastic product falls off from the cavity. However, burrs may be generated in the plastic product during processing due to the mould, and in the prior art, manual removal is used, which requires a lot of time and manpower, especially when dealing with a large number of or complex products, the efficiency is significantly low. At the same time, when the material is injected into the cavity, uneven color and deformation may occur due to uneven material. Based on the above problems, we propose a mould for plastic product production and processing. SUMMARY
[0004] The utility model provides a mould for plastic product production and processing solves the problem proposed in the background art.
[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a mould for plastic product production and processing, including support frame, fixedly installed with organism on the top of support frame, the inside right side of organism is fixedly installed with first motor, and the output shaft of first motor is fixedly connected with rotating plate movably installed in the inside of organism, the left side surface of rotating plate is fixedly installed with a plurality of first hydraulic rod, and two movable moulds are fixedly connected through a plurality of first hydraulic rod, and the front side of movable mould has fixedly installed fixed mould in the inside of organism, the front side of movable mould is fixedly installed with limiting cylinder, positioning cylinder and a plurality of second hydraulic rod, and a plurality of holes are arranged in the inside of movable mould, the movable mould is movably connected with limiting plate through limiting cylinder, and a round hole is arranged in the inside of limiting plate, which can be passed through second hydraulic rod, one end of second hydraulic rod is fixedly connected with pressure plate, and a detachable model is installed in the inside of pressure plate, third hydraulic rod is fixedly installed on rotating plate, and one end of third hydraulic rod extends to the outside of limiting plate and is fixedly connected with model.
[0006] The inside of the limiting plate is provided with a circular hole, and a thimble is fixedly sleeved in the circular hole, one end of the thimble extends to the outside of the movable mold, the other end extends to the outside of the pressure plate and is flush with the circular hole of the mold, and the spring is fixedly connected between one side of the limiting plate in the pressure plate and the inside of the pressure plate;
[0007] The inside of the fixed mold is provided with a first mold groove matched with the mold, a hole for material entering is formed in the bottom of the first mold groove, one side of the fixed mold is fixedly provided with a fixed mold, the inside of the fixed mold is provided with a second mold groove matched with the mold, fourth hydraulic rods are fixedly installed around the second mold groove, and a pushing plate is fixedly connected through the fourth hydraulic rods;
[0008] The left side of the machine body is fixedly provided with a shielding cover on a support frame, a feeding pipe is fixedly installed in the inner cavity of the shielding cover, an electromagnetic coil is fixedly connected to the outside of the feeding pipe, a screw stirring rod is movably sleeved in the inside of the feeding pipe, an extension machine and a second motor are fixedly installed above the support frame, a worm is fixedly connected to the output shaft of the extension machine, the other end of the worm extends to the inside of the shielding cover and is fixedly connected with the screw stirring rod, a worm wheel is engaged below the worm, and the worm wheel is fixedly connected with the output shaft of the second motor.
[0009] Optionally, the fixed mold, the fixed mold and the pushing plate are provided with holes in the four corners for the positioning cylinder to pass through.
[0010] Optionally, the outer circle of the rotating plate is fixedly connected with a limiting protrusion, and the inside of the machine body is provided with a groove matched with the limiting protrusion, and the limiting protrusion can be limited when rotating in the groove.
[0011] Optionally, the upper side of the shielding cover is fixedly connected with a feeding port, the material flows into the feeding pipe through the feeding port, and one end of the feeding pipe extends to the outside of the machine body and is connected with the hole of the first mold groove.
[0012] Optionally, the first hydraulic rod and the second hydraulic rod drive the movable mold and the pressure plate to move backward, so that the bottom of the thimble sleeved in the limiting plate hits the protrusion on the rotating plate, the pressure plate extrudes the spring, and the other end of the thimble extends through the inside of the circular hole of the mold and pushes out the formed material.
[0013] The utility model has the following beneficial effects:
[0014] 1. The mold for plastic product production and processing, through the rotation of the first motor drives the rotary plate to rotate, the machine body is internally provided with a limiting convex matching groove, the limiting convex can be rotated in the groove to limit it, after the material is formed, the fixed mold and the movable mold can be matched to extrude the material, so that the burr is removed, the burr removal can achieve better effect, and the manual dependence is reduced to reduce the labor cost.
[0015] 2. The mold for plastic product production and processing, material flows into the feeding pipe through the feeding port, and then is heated and dissolved through the externally fixed electromagnetic coil, in the heating process, the second motor is started to make the screw stirring rod rotate, the material is stirred and driven, after the material is uniformly stirred, the material is extruded into the fixed mold through the telescopic machine, the material can be uniformly stirred in a short time during stirring to avoid problems of the product caused by uneven or poor mixing of the material, and the material is heated through the electromagnetic coil, so that the heating process is faster and more uniform, thereby shortening the extrusion molding time and improving the production efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structure schematic view of the utility model;
[0017] Figure 2 It is a structure schematic view of the feeding pipe of the utility model;
[0018] Figure 3 It is a structure schematic view of the fixed mold of the utility model;
[0019] Figure 4 It is a structure schematic view of the movable mold of the utility model;
[0020] Figure 5 It is a limiting plate structure schematic view of the utility model.
[0021] In the drawing: 1, support frame; 2, machine body; 3, first motor; 4, rotary plate; 5, first hydraulic rod; 6, movable mold; 7, fixed mold; 8, limiting cylinder; 9, positioning cylinder; 10, second hydraulic rod; 11, limiting plate; 12, pressure plate; 13, model; 14, third hydraulic rod; 15, spring; 16, first mold groove; 17, fixed mold; 18, second mold groove; 19, fourth hydraulic rod; 20, push plate; 21, shield; 22, feeding pipe; 23, electromagnetic coil; 24, screw stirring rod; 25, worm; 26, telescopic machine; 27, worm wheel; 28, second motor; 29, thimble; 30, feeding port. DETAILED DESCRIPTION
[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0023] Please refer to Figures 1 to 5 The utility model provides a kind of technical scheme: a mould for plastic product production and processing, including support frame 1, by utilizing support frame 1 can be set machine body 2 and feeding device above it, so as to facilitate operation, machine body 2 is fixedly installed above support frame 1, utilizing machine body 2 can be set film utensil inside, so as to facilitate extruding film utensil forming, the inside right side of machine body 2 is fixedly installed with first motor 3, by first motor 3 can drive rotating plate 4, rotating adjustment position, and the output shaft of first motor 3 is fixedly connected with rotating plate 4 movably installed in machine body 2, by rotating plate 4 rotating adjustment position, it is convenient to extrude to remove burr, the left side surface of rotating plate 4 is fixedly installed with a plurality of first hydraulic rod 5, by hydraulic rod 5 can drive, dynamic mode 6 moves to front, and by a plurality of first hydraulic rod 5 fixedly connected with two dynamic modes 6, the main role of dynamic mode 6 is separated after forming to facilitate taking out plastic product, and the front side of dynamic mode 6 has fixedly installed in machine body 2 inside fixed mode 7, the main role of fixed mode 7 is to set up an inner cavity in the inside with the same as the part to be injection molded, the front side of dynamic mode 6 is fixedly installed with limiting cylinder 8, limiting cylinder 8 can be limited to limiting plate 11, positioning cylinder 9, the main role of positioning cylinder 9 is to ensure that dynamic mode 6 and fixed mode 7 accurate position and centering, prevent dynamic mode 6 and fixed mode 7 from position deviation in work, and a plurality of second hydraulic rod 10, by second hydraulic rod 10 can drive pressure plate 12 to move, and dynamic mode 6 is provided with a plurality of holes inside, the dynamic mode 6 is movably connected with limiting plate 11 by limiting cylinder 8, and the inside of limiting plate 11 is provided with round hole for the second hydraulic rod 10 to pass through, one end of the second hydraulic rod 10 is fixedly connected with pressure plate 12, limiting plate 11 is passed through, and pressure plate 12 is closed to form pouring cavity with fixed mode 7 by pressure plate 12, and the inside of pressure plate 12 is installed with detachable model 13, by model 13, it can ensure that the product produced has high consistency, third hydraulic rod 14 is fixedly installed on rotating plate 4, by third hydraulic rod 14 can drive model 13 to move, and one end of third hydraulic rod 14 extends to the outside of limiting plate 11 and is fixedly connected with model 13;
[0024] The inside of the limiting plate 11 is provided with a circular hole, and a thimble 29 is fixedly sleeved in the inside of the circular hole. The thimble 29 can push out the material. One end of the thimble 29 extends to the outside of the movable mold 6, and the other end extends to the outside of the pressure plate 12 and is flush with the circular hole of the model 13. The side of the limiting plate 11 between the inside of the pressure plate 12 is fixedly connected with a spring 15. The spring 15 can assist the thimble 29 to push out the material.
[0025] The inside of the fixed mold 7 is provided with a first mold groove 16 matched with the model 13. The first mold groove 16 provides a basic framework in mold making. By changing the shape and size of the blank, the required size and shape requirements can be finally achieved. The bottom of the first mold groove 16 is provided with a hole for the material to enter. One side of the fixed mold 7 is fixedly provided with a fixed mold 17. The main function of the fixed mold 17 is to tightly combine with the movable mold 6 after the material is formed. The inside of the fixed mold 17 is provided with a second mold groove 18 matched with the model 13. The second mold groove 18 can be tightly combined with the formed material. The fourth hydraulic rod 19 is fixedly installed around the second mold groove 18. The fourth hydraulic rod 19 can drive the push plate 20 to move to complete the extrusion movement. The push plate 20 is fixedly connected with the fourth hydraulic rod 19. The push plate 20 extrudes the material to make the pressure plate 12 move backward to extrude the flash.
[0026] The left side of the machine body 2 is fixedly installed on the shielding cover 21 on the support frame 1. The shielding cover 21 can prevent the operator from contacting the feeding pipe 22 to avoid personal injury accidents. The inner cavity of the shielding cover 21 is fixedly installed with the feeding pipe 22. The feeding pipe 22 is part of the material conveying part to ensure that the material can smoothly enter the inside of the fixed mold 7. The outside of the feeding pipe 22 is fixedly connected with the electromagnetic coil 23. The electromagnetic coil 23 can heat the material. The inside of the feeding pipe 22 movably sleeves the screw stirring rod 24. The main function of the screw stirring rod 24 is to convey and stir the material. The upper side of the support frame 1 is fixedly installed with the telescopic machine 26. The telescopic machine 26 can control the worm 25 and the screw stirring rod 24 to complete the extrusion and the second motor 28. The second motor 28 can drive the worm 25 and the screw stirring rod 24 to rotate. The output shaft of the telescopic machine 26 is fixedly connected with the worm 25. The worm 25 is used to transmit the rotary motion to drive the screw stirring rod 24 to rotate. The other end of the worm 25 extends to the inside of the shielding cover 21 and is fixedly connected with the screw stirring rod 24. The lower side of the worm 25 engages with the worm gear 27. The main function of the worm gear 27 is to transmit the motion and power between two staggered shafts. The worm gear 27 is fixedly connected with the output shaft of the second motor 28.
[0027] Please refer to Figures 3 to 5The four corners of the fixed die 7, the fixed mold 17 and the push plate 20 are provided with holes through which the positioning cylinder 9 passes, and through the holes, the positioning cylinder 9 can be matched to complete accurate positioning.
[0028] Please refer to Figure 5 The outer ring of the rotating plate 4 is fixedly connected with a limiting protrusion, and the inside of the machine body 2 is provided with a groove matched with the limiting protrusion. The limiting protrusion can be limited when rotating in the groove, and can prevent it from exceeding the predetermined position or being subjected to unnecessary stress when the rotating plate 4 rotates to change position.
[0029] Please refer to Figures 1 to 2 The upper part of the shielding cover 21 is fixedly connected with a feeding port 30. The main function of the feeding port 30 includes accelerating the material when entering the feeding pipe 22, which is beneficial to quickly filling the cavity, and the plastic of the sprue is condensed after forming. The feeding port 30 can also seal the cavity to prevent the molten plastic from flowing back. The material flows into the inside of the feeding pipe 22 through the feeding port 30, and one end of the feeding pipe 22 extends to the outside of the machine body 2 and is connected with the hole of the first mold groove 16.
[0030] Please refer to Figures 1 to 5 The first hydraulic rod 5 and the second hydraulic rod 10 drive the movable die 6 and the pressure plate 12 to move backward, so that the bottom of the ejector pin 29 sleeved in the limiting plate 11 hits the protrusion on the rotating plate 4, and the pressure plate 12 extrudes the spring 15 while the other end of the ejector pin 29 extends through the circular hole of the model 13 to eject the formed material. The automatic discharging can be completed through the cooperation of the ejector pin 29 and the spring 15.
[0031] In summary, the mold for producing and processing plastic products is used. When the first hydraulic rod 5 on the rotating plate 4 in the machine body 2 drives the movable die 6 to move, the second hydraulic rod 10 on the movable die 6 and the third hydraulic rod 14 on the rotating plate 4 are started to make the pressure plate 12 and the model 13 adhere to the first mold groove 16 in the fixed die 7. Then the material is added to the inside of the feeding pipe 22 through the feeding port 30. The material is heated and dissolved by the electromagnetic coil 23 outside the feeding pipe 22, and at the same time, the second motor 28 can be started to provide kinetic energy to the worm gear 27 to make the worm gear 27 rotate, thereby driving the worm 25 to rotate. Since the worm 25 is fixedly connected with the screw stirring rod 24, the screw stirring rod 24 can be driven to rotate to stir the material. After sufficient stirring, the telescopic machine 26 drives the worm 25 to extrude to make the material fully fill the first mold groove 16 in the fixed die 7.
[0032] When the first hydraulic rod 5 is started to remove the burr, the movable die 6 is moved backward, and after a certain distance, the first motor 3 is started to rotate the rotating plate 4, so that the movable die 6 after forming is parallel to the fixed die 17, and the pressure plate 12 and the mold 13 are pushed into the second mold groove 18 in the fixed die 17 through the first hydraulic rod 5, the second hydraulic rod 10 and the third hydraulic rod 14, and the fourth hydraulic rod 19 and the second hydraulic rod 10 are started to move the pressure plate 12 backward, and when the pressure plate 12 moves, the mold 13 linked by the third hydraulic rod 14 remains unchanged.
[0033] When discharging, the movable die 6 and the pressure plate 12 are moved backward by the first hydraulic rod 5 and the second hydraulic rod 10, so that the bottom of the ejector pin 29 sleeved on the limiting plate 11 hits the protrusion on the rotating plate 4, so that the pressure plate 12 extrudes the spring 15, and the other end of the ejector pin 29 extends through the circular hole in the mold 13 to eject the formed material.
[0034] In the description of the present application, it should be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment.
[0035] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A mold for manufacturing and processing plastic products, comprising a support frame (1), an organic body (2) fixedly installed above the support frame (1), a first motor (3) fixedly installed on the right side inside the organic body (2), and a rotating plate (4) movably installed inside the organic body (2) connected to the output shaft of the first motor (3), a plurality of first hydraulic rods (5) fixedly installed on the left side surface of the rotating plate (4), and two moving molds (6) fixedly connected through the plurality of first hydraulic rods (5), and a fixed mold (7) fixedly installed inside the organic body (2) on the front side of the moving molds (6), characterized in that: The front side of the movable die (6) is fixedly provided with a limiting cylinder (8), a positioning cylinder (9) and a plurality of second hydraulic rods (10), and a plurality of holes are formed in the movable die (6), the movable die (6) is movably connected with a limiting plate (11) through the limiting cylinder (8), a circular hole is formed in the limiting plate (11) and the second hydraulic rods (10) can pass through the circular hole, one end of the second hydraulic rod (10) passing through the limiting plate (11) is fixedly connected with a pressure plate (12), and a detachable model (13) is arranged in the pressure plate (12), a third hydraulic rod (14) is fixedly arranged on the rotating plate (4), and one end of the third hydraulic rod (14) extends to the outside of the limiting plate (11) and is fixedly connected with the model (13). A circular hole is formed in the limiting plate (11), and a thimble (29) is fixedly arranged in the circular hole, one end of the thimble (29) extends to the outside of the movable die (6), the other end of the thimble (29) extends to the outside of the pressure plate (12) and is flush with the circular hole of the model (13), and a spring (15) is fixedly connected between one side of the limiting plate (11) located in the pressure plate (12) and the inner side of the pressure plate (12). A first mold groove (16) matched with the model (13) is formed in the fixed die (7), a hole for material to enter is formed in the bottom of the first mold groove (16), a fixed mold (17) is fixedly arranged on one side of the fixed die (7), a second mold groove (18) matched with the model (13) is formed in the fixed mold (17), a fourth hydraulic rod (19) is fixedly arranged around the second mold groove (18), and a pushing plate (20) is fixedly connected through the fourth hydraulic rod (19). A shielding cover (21) is fixedly arranged on the support frame (1) on the left side of the machine body (2), and a feeding pipe (22) is fixedly arranged in the inner cavity of the shielding cover (21), an electromagnetic coil (23) is fixedly connected to the outside of the feeding pipe (22), and a screw stirring rod (24) is movably arranged in the feeding pipe (22), a telescopic machine (26) and a second motor (28) are fixedly arranged above the support frame (1), a worm (25) is fixedly connected to the output shaft of the telescopic machine (26), the other end of the worm (25) extends to the inside of the shielding cover (21) and is fixedly connected with the screw stirring rod (24), and a worm wheel (27) is engaged below the worm (25), and the worm wheel (27) is fixedly connected with the output shaft of the second motor (28).
2. The mold for producing plastic products according to claim 1, wherein: Holes are formed in the four corners of the fixed die (7), the fixed mold (17) and the pushing plate (20) for the positioning cylinder (9) to pass through.
3. The mold for producing plastic products according to claim 1, wherein: Limiting protrusions are fixedly connected to the outer ring of the rotating plate (4), and grooves matched with the limiting protrusions are formed in the machine body (2), and the limiting protrusions can be limited when rotating in the grooves.
4. The mold for producing plastic products according to claim 1, wherein: The upper part of the shielding cover (21) is fixedly connected with a feeding port (30), through which the material flows into the feeding pipe (22), and one end of the feeding pipe (22) extends to the outside of the machine body (2) and is connected with the hole of the first die groove (16).
5. The mold for producing plastic products according to claim 1, wherein: The first hydraulic rod (5) and the second hydraulic rod (10) drive the movable die (6) and the pressure plate (12) to move backward, so that the bottom of the ejector pin (29) sleeved in the limiting plate (11) hits the protrusion on the rotating plate (4), the pressure plate (12) extrudes the spring (15), and the other end of the ejector pin (29) extends out through the circular hole of the mold (13) and ejects the formed material.