Forming die capable of removing excess materials
By designing the drive and scraping components, the problems of uneven application of release agent and mold cavity residue caused by wear on the mold surface were solved, achieving uniform application of release agent and efficient cleaning of stubborn residues, thus improving production efficiency and resource utilization.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-02-05
- Publication Date
- 2026-03-10
AI Technical Summary
After long-term use, existing molding dies are prone to minor wear and tear or dimensional deviations on their surfaces, resulting in uneven application of the release agent, such as missed areas or excessive application, which affects workpiece demolding and mold life. At the same time, residual material on the inner wall of the mold cavity is difficult to clean, and the cleaning efficiency is low and the effect is affected by the operator's experience.
The system employs a drive assembly to rotate the turntable and sliding frame, combined with an elastic rod and a sponge-material application roller to adaptively adjust the height, ensuring even application of the release agent. The scraping assembly uses a combination of a cutter and a scraper to cut and scrape away stubborn residues. A recycling box and a filter layer are included to collect and reuse the release agent.
It achieves uniform application of the release agent, reduces mold wear, ensures thorough cleaning, lowers labor intensity and costs, improves production efficiency and molding accuracy, and realizes resource recycling.
Smart Images

Figure CN121625348A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of molding die technology, and in particular to a molding die capable of removing excess material. Background Technology
[0002] In industrial production fields such as injection molding and die casting, molding dies are the core equipment for realizing batch processing of workpieces. Their performance directly determines the molding quality, production efficiency and production cost of the workpieces. During the molding process, in order to reduce the adhesion between the workpiece and the mold surface and ensure that the workpiece is demolded smoothly, it is usually necessary to apply a release agent to the surface of the mold cavity.
[0003] Existing methods for applying mold release agents mostly involve manual application or mechanical application at a fixed height. However, due to the tendency for mold surfaces to develop minor wear and tear over time, or unavoidable dimensional deviations during processing, fixed-height application methods cannot adaptively adjust the height, leading to uneven application of the release agent. This results in areas where the release agent is missed or applied too thickly. Missed areas can cause difficulties in demolding, resulting in scratches on the workpiece surface and damage to the mold cavity. Applying too thickly increases release agent residue, affecting not only the assembly accuracy and surface quality of subsequent workpieces but also increasing the friction between the residue and the mold. Severe mold wear and tear, coupled with the fact that stubborn residues, flash, and cured adhesive layers often remain on the inner wall of the mold cavity after workpiece demolding, can affect the forming accuracy of subsequent workpieces and even cause mold cavity blockage if not cleaned in time. Manual scraping is inefficient, labor-intensive, and the cleaning effect is greatly affected by the operator's experience, easily resulting in incomplete cleaning. Single-structure mechanical scraping components are difficult to meet the requirements of cutting and peeling off stubborn residues and flash, have cleaning dead corners, and cannot achieve complete coverage of all residual areas, resulting in poor cleaning thoroughness and difficulty in meeting the requirements of high-precision production.
[0004] Therefore, this application provides a molding die that can remove excess material to meet the requirements. Summary of the Invention
[0005] The technical problem this invention aims to solve is to provide a molding die capable of removing excess material. This addresses the shortcomings of existing molds that rely on manual application or fixed-height mechanical application. Due to the tendency for molds to develop minor wear and tear on their surfaces after prolonged use, or to experience unavoidable dimensional deviations during processing, missed coating can lead to difficulties in demolding, scratches on the workpiece surface, and damage to the mold cavity. Excessive coating increases mold release agent residue and friction between the residue and the mold, exacerbating mold wear. Furthermore, after demolding, stubborn residues, flash, and cured adhesive layers often remain on the inner wall of the mold cavity. Manual scraping is inefficient, labor-intensive, and its effectiveness is heavily dependent on the operator's experience. Single-structure mechanical scraping components struggle to handle the cutting and stripping of stubborn residues and flash, leaving cleaning dead zones and failing to achieve complete coverage of all residual areas.
[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: A molding die capable of removing residual material includes a cabinet. Four hydraulic modules are evenly distributed at the top of the cabinet. A worktable is fixedly installed at the top of the cabinet. A movable platform is fixedly connected to the top of the four hydraulic modules. An upper template is fixedly installed at the bottom of the movable platform. An industrial camera module is installed at the bottom of the movable platform. The die also includes a drive assembly installed at the top of the worktable, used to drive the various components; a demolding assembly installed on one side of the drive assembly, used to apply a release agent to the inner side of the die cavity; and a scraping assembly installed on one side of the drive assembly, used to scrape away residue from the inner side of the die cavity.
[0007] Optionally, the drive assembly includes a tilting table, which is rotatably mounted on the top of the workbench. A lower template is fixedly mounted on the top of the tilting table by bolts. A connecting plate is connected to the bottom of the tilting table, and a sliding block is sleeved on one side of the connecting plate.
[0008] Optionally, the sliding block rotates on one side of the connecting plate, slides inside the groove of the worktable, and has a screw threaded into its inner side. The screw rotates on the support of the worktable, and one end of the screw is connected to a motor, which is fixedly mounted on the worktable.
[0009] Optionally, a reciprocating lead screw is rotatably mounted on the inner side of the top support of the tilting table. One end of the reciprocating lead screw is connected to a second motor, which is fixedly mounted on the top of the tilting table. A sliding frame is engaged with the outer side of the reciprocating lead screw, and a guide rod is nested on the inner side of the sliding frame. The guide rod slides on the inner side of the sliding frame and is fixedly mounted on the inner side of the support of the tilting table.
[0010] Optionally, the demolding assembly includes a mounting frame 1, which is mounted on one side of the sliding frame. Multiple elastic rods are fixedly connected to the inner side of the mounting frame 1, and the elastic rods are connected to each other. An applicator roller is installed at equal intervals on the outer side of each elastic rod.
[0011] Optionally, the applicator rollers rotate on the outside of the corresponding elastic rods, and each elastic rod has a liquid guiding hole on its surface. One side of the mounting bracket is connected to a throttle valve via a hose. The throttle valve is installed on one side of the workbench and is connected to a water pump via a pipeline.
[0012] Optionally, the water pump is installed inside the cabinet, one side of the water pump is connected to the storage box via a pipe, the storage box is installed inside the cabinet, one side of the storage box is connected to the recycling box via a pipe, the recycling box is nested inside the cabinet, and a filter layer is installed inside the recycling box.
[0013] Optionally, the scraping assembly includes a scraper holder and a mounting bracket, wherein the scraper holder is fixedly mounted on one side of the sliding bracket.
[0014] Optionally, a plurality of elastic telescopic rods are equidistantly distributed on one side of the scraper holder, and a cutter is installed at the end of each elastic telescopic rod, with each cutter rotating at the corresponding end of the elastic telescopic rod.
[0015] Optionally, the bottom end of the scraper holder is connected to multiple scrapers via torsion springs, the second mounting bracket is installed inside the recycling box, and multiple springs are equidistantly distributed on the inner side of the second mounting bracket, with the top ends of the multiple springs connected to a drain box.
[0016] Compared with the prior art, the present invention has at least the following beneficial effects: In the above solution, by setting up a drive component, the linkage of motor 1, screw, sliding block and connecting plate realizes the stable tilting of the lower template driven by the tilting table, so that the residue slides into the recycling box under the action of gravity, and at the same time allows the excess release agent solution to flow back along the tilted surface, providing gravity assistance for subsequent cleaning and recycling, without the need for additional power to drive the material movement.
[0017] By setting up a release assembly, the elastic rod adaptively adjusts the height of the application roller through its own deformation. Combined with the soft characteristics of the sponge material application roller, it can adapt to the slight unevenness or dimensional deviation of the lower template surface, ensuring that the release agent is applied evenly and avoiding local missed areas or excessive thickness. The sponge material application roller has strong liquid storage capacity and can slowly release the release agent to form a thin and uniform protective film, reducing the friction between the residue and the template. At the same time, when the release agent solution flows along the inclined surface, it penetrates deep into the gaps of the residue and wets and permeates, causing the residue to absorb the solution and expand, producing slight deformation, loosening the connection between the residue and the inner wall of the lower template, creating favorable conditions for efficient cleaning by the scraping assembly.
[0018] By setting up a recycling box and a filter layer, the release agent solution flows towards the edge of the recycling box as it flows along the inclined surface. After entering the recycling box, it is filtered by the filter layer, realizing the collection, filtration and recycling of excess release agent, reducing release agent waste, lowering production costs and avoiding environmental pollution from waste liquid.
[0019] By setting up a scraping component, a structure with a front-mounted cutter and a rear-mounted scraper is adopted. The cutter first cuts and peels off stubborn residues, burrs and cured adhesive layers, and then the scraper performs fine scraping on the cut surface, covering all residual areas without omission. The cleaning thoroughness is far superior to a single scraping structure.
[0020] By setting up a drain box, the inclined template, combined with the flow thrust of the release agent, allows the scraped residue to quickly fall into the drain box for centralized collection. Then, the drain box is connected to the spring of the second mounting frame, and the gravity of the falling residue triggers vibration, which not only quickly drains the release agent adhering to the surface of the residue, but also prevents the residue from clumping, improving the convenience of subsequent recycling and reuse. The centrally collected residue can be recycled and regenerated through plastic pellet preparation equipment to achieve resource recycling and reduce waste pollution. Attached Figure Description
[0021] The accompanying drawings, which are incorporated herein and form part of the specification, illustrate embodiments of the invention and, together with the specification, further serve to explain the principles of the invention and enable those skilled in the art to practice and use the invention.
[0022] Figure 1 A schematic diagram of the three-dimensional structure of a molding die that allows for the removal of excess material; Figure 2 This is a top view of the three-dimensional structure of a molding die that allows for the removal of excess material. Figure 3 This is a schematic diagram of the three-dimensional structure of the drive component; Figure 4 This is a top view of the three-dimensional structure of the drive component; Figure 5 A schematic diagram of the three-dimensional assembly of the drive component and the demolding component; Figure 6This is a schematic diagram of the three-dimensional structure of the demolding component; Figure 7 A schematic diagram of the three-dimensional assembly structure of mounting bracket 1, elastic rod and coating roller; Figure 8 A schematic diagram of the three-dimensional assembly structure of mounting bracket 1, elastic rod and liquid guide hole; Figure 9 A schematic diagram of the three-dimensional structure of the scraping component; Figure 10 for Figure 9 A schematic diagram of the three-dimensional structure of A in the middle; Figure 11 A schematic diagram of the three-dimensional structure of the mounting bracket, spring, and drain box assembly.
[0023] Figure label: 1. Cabinet; 2. Hydraulic module; 3. Workbench; 4. Moving table; 5. Upper template; 6. Drive assembly; 61. Tilting table; 610. Lower template; 62. Connecting plate; 63. Sliding block; 64. Screw; 65. Motor 1; 66. Reciprocating screw; 67. Motor 2; 68. Sliding frame; 69. Guide rod; 7. Demolding assembly; 71. Mounting frame 1; 72. Elastic rod; 73. Applying roller; 74. Liquid guide hole; 75. Throttling valve; 76. Water pump; 77. Storage tank; 78. Recycling box; 79. Filter layer; 8. Scraping assembly; 81. Scraper holder; 82. Elastic telescopic rod; 83. Cutter; 84. Scraper; 85. Mounting frame 2; 86. Spring; 87. Drain box; 9. Industrial camera module.
[0024] As shown in the figure, specific structures and devices are labeled in the figure to clearly illustrate the structure of the embodiments of the present invention. However, this is only for illustrative purposes and is not intended to limit the present invention to this specific structure, device and environment. Those skilled in the art can adjust or modify these devices and environments according to specific needs. Detailed Implementation
[0025] The following is a detailed description of a molding die capable of removing excess material provided by the present invention, in conjunction with the accompanying drawings and specific embodiments. It should be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments; those skilled in the art can also use other alternative methods to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit the present invention.
[0026] like Figures 1 to 11As shown, an embodiment of the present invention provides a molding die capable of removing residual material, including a cabinet 1. Four hydraulic modules 2 are evenly distributed at the top of the cabinet 1. A workbench 3 is fixedly installed at the top of the cabinet 1. A movable platform 4 is fixedly connected to the top of the four hydraulic modules 2. An upper template 5 is fixedly installed at the bottom of the movable platform 4. An industrial camera module 9 is installed at the bottom of the movable platform 4. The invention also includes a drive assembly 6, which is installed at the top of the workbench 3 and is used to drive the various components. A demolding assembly 7 is installed on one side of the drive assembly 6 and is used to apply a release agent to the inner side of the mold cavity. A scraping assembly 8 is installed on one side of the drive assembly 6 and is used to scrape off the residue on the inner side of the mold cavity.
[0027] like Figures 3 to 5 As shown, the drive assembly 6 includes a tilting table 61, which is rotatably mounted on the top of the workbench 3. A lower template 610 is fixedly mounted on the top of the tilting table 61 by bolts. A connecting plate 62 is connected to the bottom of the tilting table 61. A sliding block 63 is sleeved on one side of the connecting plate 62. The sliding block 63 rotates on one side of the connecting plate 62 and slides inside the groove of the workbench 3. A screw 64 is threaded into the inner side of the sliding block 63. The screw 64 rotates on the support of the workbench 3. One end of rod 64 is connected to motor 65, which is fixedly installed on worktable 3. A reciprocating screw 66 is rotatably installed on the inner side of the top support of the tilting table 61. One end of the reciprocating screw 66 is connected to motor 67, which is fixedly installed on the top of the tilting table 61. A sliding frame 68 is meshed on the outer side of the reciprocating screw 66. A smooth rod 69 is nested on the inner side of the sliding frame 68. The smooth rod 69 slides on the inner side of the sliding frame 68 and is fixedly installed on the inner side of the support of the tilting table 61.
[0028] By setting the drive assembly 6, after the injection molded part is removed, the control module (not shown in the figure) controls the motor 65 to drive the screw 64 to rotate. During the rotation of the screw 64, the thread on the outer surface of the screw 64 engages with the threaded hole on the inner side of the sliding block 63, and the sliding block 63 is limited by the sliding groove on the surface of the worktable 3, so that the sliding block 63 converts the rotational motion of the screw 64 into linear motion. The sliding block 63 moves towards the hinge end of the tilting table 61. As the sliding block 63 continues to move, the other end of the connecting plate 62 applies an upward thrust to the support lug at the bottom of the tilting table 61 through the connecting pin. The connecting plate 62 pushes the bottom end of the tilting table 61 for support, so that the tilting table 61 is on the worktable 3. During side rotation, the connecting plate 62 always maintains rigid support for the bottom of the tilting table 61. Its support point is adjusted synchronously with the movement of the sliding block 63 to ensure that the tilting table 61 can obtain stable support force at any rotation angle, thereby enabling the tilting table 61 to drive the lower template 610 to rotate. At the same time, the control module (not marked in the figure) controls the second motor 67 to rotate, so that the second motor 67 drives the reciprocating screw 66 to rotate. The outer groove of the reciprocating screw 66 engages with the inner wall of one side of the sliding frame 68, and the sliding frame 68 is limited by the smooth rod 69, so that the sliding frame 68 can reciprocate parallel to the smooth rod 69 on the outside of the reciprocating screw 66 and the smooth rod 69 during the rotation of the reciprocating screw 66. like Figures 5 to 8 As shown, the demolding assembly 7 includes a mounting frame 71, which is mounted on one side of the sliding frame 68. Multiple elastic rods 72 are fixedly connected to the inner side of the mounting frame 71. The elastic rods 72 are interconnected. An applicator roller 73 is equidistantly mounted on the outer side of each elastic rod 72, rotating on the outer side of the corresponding elastic rod 72. Each elastic rod 72 has a liquid guiding hole 74 on its surface. One side of the mounting frame 71 is connected to a throttle valve 75 via a hose. The throttle valve 75 is mounted on one side of the workbench 3 and connected to a water pump 76 via a pipe. The water pump 76 is mounted inside the cabinet 1. One side of the water pump 76 is connected to a storage tank 77 via a pipe. The storage tank 77 is mounted inside the cabinet 1 and connected to a recycling box 78 via a pipe. The recycling box 78 is nested inside the cabinet 1, and a filter layer 79 is installed inside the recycling box 78. By setting the demolding component 7, during the reciprocating sliding of the sliding frame 68, the application roller 73 on the outer side of the elastic rod 72 is driven by the mounting frame 71 to contact the surface of the lower template 610. The elastic rod 72 has a certain elasticity, which allows the application roller 73 to always be in contact with the surface of the lower template 610 to apply the demolding agent solution to the surface of the lower template 610. If there are slight unevenness or dimensional deviations on the surface of the lower template 610, the elastic rod 72 will adaptively adjust the height of the application roller 73 through its own elastic deformation, so that the application roller 73 always applies uniform pressure. The applicator roller 73 is made of a highly flexible sponge material with excellent liquid storage capacity. Its porous structure provides superior liquid storage and adsorption capacity compared to traditional materials, allowing it to fully absorb and hold the release agent solution. Driven by the sliding frame 68, the roller 73 rolls along the surface of the lower template 610. The sponge's softness ensures a closer fit, and the elastic adjustment of the elastic rod 72 further enhances the application. This ensures uniform application of the release agent, preventing localized missed areas or excessive thickness. This improves the integrity of the coating coverage, avoiding localized missed areas. Simultaneously, the release agent solution stored in the porous structure slowly and evenly penetrates the molding surface of the lower mold plate 610, forming a thin and uniform protective film. This significantly reduces the friction between the molded workpiece and the lower mold plate 610, facilitating smooth demolding of subsequent workpieces. It also reduces wear on the mold plate surface, extending its service life. Furthermore, the release agent solution has a certain fluidity; when the tilting table 61 is tilted, the release agent solution squeezed from the coating roller 73 will move along the tilting surface towards the tilting surface. The solution flows in the direction of the rotating shaft of platform 61. Some of the solution will penetrate into the gaps of the plastic block remaining on the inner wall of the lower template 610 to wet it. The release agent solution will gradually wet the inside of the plastic block, causing the plastic block to undergo slight deformation due to water absorption or swelling, further loosening its connection with the inner wall of the template, creating favorable conditions for the subsequent removal and cleaning of the plastic block. The excess release agent solution will flow along the surface of the lower template 610 towards the recycling box 78, and finally flow into the inner side of the recycling box 78. After being filtered by the filter layer 79, the release agent solution will flow back to the storage tank 77 along the pipeline for use.
[0029] like Figures 9 to 11As shown, the scraping assembly 8 includes a scraper holder 81 and a mounting bracket 85. The scraper holder 81 is fixedly installed on one side of the sliding frame 68. Multiple elastic telescopic rods 82 are equidistantly distributed on one side of the scraper holder 81. Each elastic telescopic rod 82 has a cutter 83 installed at its end. Each cutter 83 rotates at the corresponding end of the elastic telescopic rod 82. Multiple scrapers 84 are connected to the bottom of the scraper holder 81 through a torsion spring. The mounting bracket 85 is installed inside the recycling box 78. Multiple springs 86 are equidistantly distributed on the inner side of the mounting bracket 85. The top of the multiple springs 86 is connected to a drain box 87. The drain box 87 has a hollow structure with an open top. The side walls and bottom of the drain box 87 are provided with tiny drain holes to facilitate drainage. By setting the scraping component 8, during the process of applying the release agent solution to the surface of the lower template 610, the sliding frame 68 drives the scraper frame 81 to move synchronously. Multiple cutters 83, equidistantly arranged on one side of the scraper frame 81, contact the surface of the lower template 610. Each cutter 83, via a corresponding elastic telescopic rod 82, can adaptively adjust its connection distance with the scraper frame 81, ensuring that each cutter 83 is tightly attached to the surface of the lower template 610 and moves with the scraper frame 81 to cut away any residue on the surface of the lower template 610. Simultaneously, the multiple cutters 83 located at the bottom of the scraper frame 81 can... After cutting, residue is scraped off. When the scraper holder 81 moves, if there are minor protrusions or depressions on the surface of the lower mold plate 610, the torsion spring can drive the corresponding scraper 84 to adaptively deflect around the hinge axis, always keeping the scraper 84 in full contact with the surface of the lower mold plate 610. This forms a cleaning structure with the cutter 83 cutting in front and the scraper 84 scraping behind, which can cut and peel off the overflow, flash, and cured adhesive layer of the injection molding residue point by point without any omissions. Combined with the wetting of the surface of the lower mold plate 610 by the release agent solution, the residue on the surface of the lower mold plate 610 can be quickly removed. The removed residue is then removed from the lower mold. The surface of plate 610, influenced by the tilt of the flipping table 61, slides towards the recycling box 78 along the slope of the lower template 610. Driven by the flow of the release agent solution along the outer edge of the recycling box 78, it falls into the drain box 87 located at the edge of the recycling box 78. Due to the gravity of the residue entering the drain box 87, the spring 86 connecting the outer side of the drain box 87 to the mounting bracket 85 undergoes elastic deformation, causing the drain box 87 to vibrate at the opening of the recycling box 78. The release agent solution adhering to the surface of the residue is subjected to the combined effects of centrifugal force and gravity, and... The liquid quickly detaches from the perforated hole of the drain box 87 and flows along the inner wall of the recycling box 78 into the collection chamber at the bottom of the recycling box 78. At the same time, the vibration of the drain box 87 can also prevent the residue from accumulating and clumping inside the drain box 87, so that the residue is in a loose state inside the box, further improving the draining efficiency of the surface release agent solution. After being filtered by the filter layer 79 inside the recycling box 78, the release agent solution flows back to the inside of the storage tank 77 through the pipeline, realizing the recycling and reuse of the release agent solution. After production is completed, the operator can collect the residue in the drain box 87 and uniformly process it through the plastic granule preparation equipment for recycling.
[0030] The working principle of the technical solution provided by this invention is as follows: When using the mold, the operator transports the mold body to the tilting table 61 using lifting equipment, and uses standard bolts to fix the lower template 610 to the top of the tilting table 61. Then, by controlling the hydraulic module 2 (not shown in the figure) through the control module, the operator moves the moving table 4 downward, gradually approaching the top of the upper template 5. The operator then fixes the upper template 5 to the bottom of the moving table 4 using standard bolts, completing the installation of the mold body. Then, by driving the hydraulic module 2 through the control module (not shown in the figure), the moving table 4 and the upper template 5 are reset, so that the moving table 4 returns to its initial maximum height position. After the mold body is installed, the operator needs to perform a no-load test on the mold to verify the collaborative performance of each component before product production. When the upper mold plate 5 and the lower mold plate 610 come into contact and combine to form the mold as a whole, the injection port located on one side of the mold as a whole injects heated molten plastic with good fluidity into the cavity formed between the upper mold plate 5 and the lower mold plate 610 through an external injection molding machine module. During the injection process, the heated plastic fluid first fills the main channel and branch channel of the mold cavity, and then gradually diffuses to all corners of the cavity according to the flow path. When the fluid is about to fill the entire cavity, the injection molding machine will automatically switch to the holding pressure stage. By maintaining the holding pressure for a period of time, the injection molding machine stops feeding material into the cavity and then enters the cooling stage, thereby completing the injection molding process. The observation data is uploaded to the control module (not marked in the figure) through the built-in thermal imaging sensor in the industrial camera module 9. The control module (not marked in the figure) issues an opening command, and the hydraulic module 2 drives the moving table 4 and the upper mold plate 5 to move upward and separate from the lower mold plate 610. Then the operator can use special tools to remove the injection molded part, completing a complete injection molding cycle. After the injection molded part is removed, the control module (not shown in the figure) controls the motor 65 to drive the screw 64 to rotate. During the rotation of the screw 64, the thread on the outer surface of the screw 64 engages with the threaded hole on the inner side of the sliding block 63, and the sliding block 63 is limited by the sliding groove on the surface of the worktable 3, so that the sliding block 63 converts the rotational motion of the screw 64 into linear motion. The sliding block 63 moves towards the hinge end of the flipping table 61. As the sliding block 63 continues to move, the other end of the connecting plate 62 applies an upward thrust to the support lug at the bottom of the flipping table 61 through the connecting pin. The connecting plate 62 pushes the bottom of the flipping table 61 to support it, so that the flipping table 61 rotates on one side of the worktable 3. The connecting plate 62 always maintains rigid support for the bottom of the flipping table 61, and its support point is adjusted synchronously with the movement of the sliding block 63 to ensure that the flipping table 61 can obtain stable support force at any rotation angle, so that the flipping table 61 drives the lower template 610 to flip. Meanwhile, the control module (not shown in the figure) controls the rotation of motor 67, which drives the reciprocating screw 66 to rotate. The outer groove of the reciprocating screw 66 engages with the inner wall of one side of the sliding frame 68, and the guide rod 69 limits the sliding frame 68. During the rotation of the reciprocating screw 66, the sliding frame 68 can be driven to reciprocate parallel to the guide rod 69 on the outside of the reciprocating screw 66 and the guide rod 69. The industrial camera module 9 acquires image data and sends it to the control module. The water pump 76 is then started. The water pump 76 pumps the release agent solution in the storage tank 77 through the pipeline to the throttle valve 75. After the flow rate is controlled by the throttle valve 75, the solution enters the inner wall of the elastic rod 72 from one side of the mounting bracket 71 through the pipeline. The release agent solution is transported through multiple hollow elastic rods 72 and flows out from the liquid guide hole 74 on the outside of each elastic rod 72. The outflowing release agent solution will soak into the interior of the application roller 73 on the outside of the elastic rod 72. During the reciprocating sliding of the sliding frame 68, the coating roller 73 on the outside of the elastic rod 72 is brought into contact with the surface of the lower template 610 by the mounting frame 71. The elastic rod 72 has a certain elasticity, which allows the coating roller 73 to always be in contact with the surface of the lower template 610 to apply the release agent solution to the surface of the lower template 610. If there are slight unevenness or dimensional deviations on the surface of the lower template 610, the elastic rod 72 will adaptively adjust the height of the coating roller 73 through its own elastic deformation, so that the coating roller 73 always applies uniform pressure to the lower template 610. The surface contact ensures uniform application of the release agent, preventing localized missed areas or excessive thickness. The application roller 73 is made of a highly flexible sponge material with excellent liquid storage capacity and a rich porous structure. Its liquid storage and adsorption capacity far exceeds that of traditional materials, allowing it to fully absorb and hold the release agent solution. Driven by the sliding frame 68, the application roller 73 rolls along the surface of the lower template 610. The sponge's softness allows it to adhere more closely to the surface of the lower template 610. Combined with the elastic adjustment of the elastic rod 72, this further enhances the coating coverage. To ensure the integrity of the coating and avoid localized missed areas, the release agent solution stored in the porous structure slowly and evenly penetrates to the molding surface of the lower mold plate 610, forming a thin and uniform release protective film. This significantly reduces the friction between the molded workpiece and the lower mold plate 610, facilitating smooth demolding of subsequent workpieces. It also reduces wear on the mold plate surface, extending the mold plate's service life. Furthermore, the release agent solution has a certain degree of fluidity; when the tilting table 61 is tilted, the release agent solution squeezed from the coating roller 73 will move along the tilting surface towards the tilting table 610. The solution flows in the direction of the rotating shaft 1. Some of the solution will penetrate into the gaps of the plastic block remaining on the inner wall of the lower mold 610 to wet it. The release agent solution will gradually wet the inside of the plastic block, causing the plastic block to undergo slight deformation due to water absorption or swelling, further loosening its connection with the inner wall of the mold, creating favorable conditions for the subsequent removal and cleaning of the plastic block. The excess release agent solution will flow along the surface of the lower mold 610 towards the recycling box 78 and eventually flow into the inside of the recycling box 78. After being filtered by the filter layer 79, the release agent solution flows back to the storage box 77 along the pipeline for use. During the application of the release agent solution to the surface of the lower template 610, the sliding frame 68 drives the scraper frame 81 to move synchronously. Multiple cutters 83, equidistantly arranged on one side of the scraper frame 81, contact the surface of the lower template 610. Each cutter 83, via a corresponding elastic telescopic rod 82, can adaptively adjust its connection distance with the scraper frame 81, ensuring that each cutter 83 is tightly attached to the surface of the lower template 610 and moves with the scraper frame 81 to cut away any remaining residue on the surface of the lower template 610. Simultaneously, the multiple cutters 83 located at the bottom of the scraper frame 81 can also remove any remaining residue after cutting. During scraping, when the scraper holder 81 moves, if there are minor protrusions or depressions on the surface of the lower mold plate 610, the torsion spring can drive the corresponding scraper 84 to adaptively deflect around the hinge axis, always keeping the scraper 84 in full contact with the surface of the lower mold plate 610. This forms a cleaning structure with the cutter 83 cutting in front and the scraper 84 scraping behind, which can cut and peel off the overflow, flash, and cured adhesive layer of the injection molding residue point by point without any omissions. Combined with the wetting of the surface of the lower mold plate 610 by the release agent solution, it can quickly remove the residue on the surface of the lower mold plate 610. The removed residue is then removed from the lower mold plate 610. The residue, influenced by the tilt of the flipping table 61, slides towards the recycling box 78 along the slope of the lower template 610. Driven by the flow of the release agent solution along the outer edge of the recycling box 78, it falls into the drain box 87 located at the edge of the recycling box 78. Due to the gravity of the residue entering the drain box 87, the spring 86 connecting the outer side of the drain box 87 to the mounting bracket 85 undergoes elastic deformation, causing the drain box 87 to vibrate at the opening of the recycling box 78. The release agent solution adhering to the surface of the residue is subjected to both centrifugal force and gravity, causing it to flow out of the drain box. The residue quickly detaches from the perforated hole of 87 and flows along the inner wall of the recycling box 78 into the liquid collection chamber at the bottom of the recycling box 78. At the same time, the vibration of the draining box 87 can also prevent the residue from accumulating and clumping in the draining box 87, so that the residue is in a loose state in the box, further improving the draining efficiency of the surface release agent solution. After being filtered by the filter layer 79 in the recycling box 78, the release agent solution flows back to the interior of the storage tank 77 through the pipeline, realizing the recycling and reuse of the release agent solution. After production is completed, the operator can collect the residue in the draining box 87 and uniformly process it through the plastic granule preparation equipment for recycling.
[0031] This invention encompasses any substitutions, modifications, equivalent methods, and solutions made within the spirit and scope of this invention. To provide the public with a thorough understanding of this invention, specific details are described in detail in the following preferred embodiments; however, those skilled in the art will fully understand the invention even without these details. Furthermore, to avoid unnecessary misunderstanding of the essence of this invention, well-known methods, processes, procedures, components, and circuits are not described in detail.
[0032] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.
Claims
1. A molding die capable of removing excess material, characterized by, Including cabinet (1), the top of the cabinet (1) isosceles distribution is provided with four hydraulic modules (2), the top of the cabinet (1) is fixedly installed with a workbench (3), the top of four hydraulic modules (2) is fixedly connected with a moving platform (4), the bottom of the moving platform (4) is fixedly installed with an upper die plate (5), the bottom of the moving platform (4) is installed with an industrial camera module (9); It also includes a drive assembly (6), the drive assembly (6) is installed at the top of the workbench (3), the drive assembly (6) is used for driving each component; Demoulding assembly (7), the demoulding assembly (7) is installed on one side of the drive assembly (6), the demoulding assembly (7) is used for coating release agent on the inner side of the cavity of the mold; Scraping assembly (8), the scraping assembly (8) is installed on one side of the drive assembly (6), the scraping assembly (8) is used for scraping the residual on the inner side of the cavity of the mold.
2. The flash-trap mold according to claim 1, wherein The drive assembly (6) includes a turnover table (61), the turnover table (61) is rotatably installed at the top of the workbench (3), the top of the turnover table (61) is fixedly installed with a lower die plate (610) through bolts, the bottom of the turnover table (61) is connected with a connecting plate (62), one side of the connecting plate (62) is sleeved with a sliding block (63).
3. The flash-trap mold according to claim 2, wherein The sliding block (63) rotates on one side of the connecting plate (62), the sliding block (63) slides in the sliding groove of the workbench (3), the inner side of the sliding block (63) is threadedly engaged with a screw rod (64), the screw rod (64) rotates on the support of the workbench (3), one end of the screw rod (64) is connected with a motor one (65), the motor one (65) is fixedly installed on the workbench (3).
4. The flash-trap mold according to claim 3, wherein The top support of the turnover table (61) is rotatably installed with a reciprocating screw rod (66), one end of the reciprocating screw rod (66) is connected with a motor two (67), the motor two (67) is fixedly installed at the top of the turnover table (61), the outer side of the reciprocating screw rod (66) is engagedly installed with a sliding frame (68), the inner side of the sliding frame (68) is nestedly installed with a polished rod (69), the polished rod (69) slides in the inner side of the sliding frame (68), the polished rod (69) is fixedly installed in the inner side of the support of the turnover table (61).
5. The flash-trap mold according to claim 4, wherein The demoulding assembly (7) includes a mounting bracket one (71), the mounting bracket one (71) is installed on one side of the sliding frame (68), the inner side of the mounting bracket one (71) is fixedly connected with a plurality of elastic rods (72), the elastic rods (72) are connected between each other, a plurality of elastic rods (72) are installed on the outer side of the mounting bracket one (71) at equal intervals.
6. The flash-trap mold according to claim 5, wherein The coating roller (73) rotates on the outside of the elastic rod (72) respectively, the surface of the elastic rod (72) is provided with liquid guide hole (74), one side of the mounting frame (71) is connected with throttle valve (75) through hose, the throttle valve (75) is installed on one side of the workbench (3), the throttle valve (75) is connected with water pump (76) through pipeline.
7. The flash-trap mold according to claim 6, wherein The water pump (76) is installed on the inside of the cabinet (1), one side of the water pump (76) is connected with storage tank (77) through pipeline, the storage tank (77) is installed on the inside of the cabinet (1), one side of the storage tank (77) is connected with recycling box (78) through pipeline, the recycling box (78) is nested in the inside of the cabinet (1), the inside of the recycling box (78) is installed with filter layer (79).
8. The flash-trap mold according to claim 7, wherein The scraping assembly (8) comprises scraper frame (81) and mounting frame two (85), the scraper frame (81) is fixedly installed on one side of the sliding frame (68).
9. The flash-trap mold according to claim 8, wherein Multiple elastic telescopic rods (82) are installed on one side of the scraper frame (81) at equal intervals, a cutter (83) is installed at the end of each elastic telescopic rod (82), each cutter (83) rotates at the end of the corresponding elastic telescopic rod (82).
10. The flash-trap mold according to claim 9, wherein Multiple scrapers (84) are connected to the bottom end of the scraper frame (81) through torsional springs, the mounting frame two (85) is installed on the inside of the recycling box (78), multiple springs (86) are installed on the inside of the mounting frame two (85) at equal intervals, and a liquid drainage box (87) is connected to the top end of the multiple springs (86).
Citation Information
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