Injection mold for processing thin-wall plastic product
By introducing rotating rods, gears and push rods into the material retraction parts of thin-walled plastic injection molds, the slow rotation and precise control of the push rods during the material retraction process is achieved, and the problem of easy damage to plastic parts is solved and improved Material return efficiency and product quality.
Patent Information
- Application Number
- CN202411574587.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2025-02-25
AI Technical Summary
During the injection molding process of thin-walled plastic injection mold, the push rod pushes the plastic parts to remove the material easily leads to grooves or strains on the bottom of the plastic parts, causing defective products.
Design a material retraction component including a rotating rod, gear and push rod, so that the push rod rotates slowly during the material retraction process to avoid damage to the plastic parts, and control the material retraction speed and efficiency through the coordination of the limit rod and the turntable. .
It effectively avoids damage to the plastic parts by rotating the push rod, improves the material removal efficiency and product quality of the plastic parts, and reduces the occurrence of defective products.
Smart Images
Figure CN119502255A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of injection molds, and more particularly to an injection mold for processing thin-wall plastic products. Background Art
[0002] Thin-walled plastic injection mold is a mold used to manufacture thin-walled plastic products. Thin-walled plastic products are one of the commonly used daily necessities such as packaging, containers, tableware, etc. Its characteristics are light weight, fast molding speed, uniform wall thickness, beautiful appearance, etc. Thin-walled plastic injection mold has the ability to manufacture high-quality and high-productivity thin-walled products, which is very important to meet the growing market demand. The manufacturing of thin-walled plastic injection mold is relatively complicated, and it is necessary to consider factors such as cavity design, material selection, and cooling system design. Strict trial mold production process is the key factor to ensure the manufacturing of high-quality thin-walled plastic injection molds.
[0003] The manufacturing of thin-walled plastic injection molds requires the following steps: Design mold structure: Design the mold structure according to the shape and size requirements of thin-walled plastic products, and determine the injection molding process parameters; Make mold parts: Make each component according to the mold structure diagram, usually using CNC machining or EDM and other methods; Assemble mold: Assemble each component together to complete the manufacturing of thin-walled plastic injection molds; Trial mold: Conduct trial mold production to confirm whether the performance and quality of the injection mold meet the requirements. Usually, multiple debugging is required until the expected goal is achieved. Only after the trial mold is completed can it be put into daily production.
[0004] In the prior art, during the injection molding process of thin-walled plastic injection molds, the plastic parts on the outside of the guide pillars are usually withdrawn with the help of a push rod. However, the thin-walled plastic parts themselves have low strength and are still shaped when they are not completely cooled. It is very easy for the push rod to cause grooves or scratches on the bottom, resulting in defective thin-walled plastic products. Summary of the invention
[0005] In view of the problems existing in the prior art, the object of the present invention is to provide an injection mold for processing thin-walled plastic products.
[0006] To solve the above problem, the present invention adopts the following technical solution, which can realize that the push rod used for material withdrawal will slowly rotate during the process of pushing the plastic part, so that the plastic part can be more easily detached from the surface of the guide column, and the slow rotation can prevent the push rod from causing damage to the plastic part during the rotation process.
[0007] An injection mold for processing thin-walled plastic products, comprising a female mold and a male mold that fits with the female mold after movement, a guide post is fixedly connected to the left side of the male mold, and the right half of the guide post is fixedly connected to the inside of the male mold, and a material removal component is commonly provided inside the female mold and the male mold;
[0008] The material stripping component includes a fixed cylinder fixedly connected to the inside of the female mold, a guide groove is opened inside the fixed cylinder, and there are two guide grooves, the right halves of the two guide grooves are opened in a spiral shape, a rotating rod is slidably connected in the fixed cylinder, and the outer protrusions of the rotating rod are slidably connected in the two guide grooves respectively, the right end of the rotating rod is fixedly connected to the first gear, the first gear and the right half of the rotating rod are rotatably connected to the inner left side of the male mold, the outer side of the guide column is rotatably connected to the second gear, the outer side of the first gear and the outer side of the second gear are meshed with each other, the inner side of the second gear is slidably connected to a push rod, the left half of the push rod is slidably connected to the inside of the guide column, and the right half of the push rod is slidably connected to the inside of the male mold, and the push rod and the left half of the guide column are moved and inserted into the inner right side of the female mold together.
[0009] Furthermore, a pushing component is provided inside the female mold and the male mold, and the pushing component includes a limiting groove opened on the right side inside the female mold.
[0010] Furthermore, the limiting groove is internally slidably connected to a limiting rod, a first movable groove is provided inside the male mold, the right half of the limiting rod is slidably connected in the first movable groove, a first pressure spring is sleeved on the outer side of the limiting rod, and the first pressure spring is in the first movable groove, the limiting rod is in an "L" shape, the right end of the push rod is rotatably connected to the left inner side of the vertical part of the limiting rod, and after the male mold drives the guide column to move to the right, the left end of the push rod moves to the left relative to the guide column, a sliding groove is provided on the outer side of the push rod, and the number of the sliding grooves is two, and two sliding blocks are fixedly connected to the interior of the second gear, and the two sliding blocks are respectively slidably connected in the two sliding grooves.
[0011] Furthermore, a rotating assembly is provided inside the male mold, and the rotating assembly includes a ball screw arranged on the left side of the vertical portion of the limiting rod, and the ball screw is composed of a screw rod, a nut sleeve and a ball.
[0012] Furthermore, a first annular rack is fixedly connected to the outer side of the nut sleeve of the ball screw, and the ball screw and the first annular rack are both rotatably connected to the inside of the male mold. A turntable is provided on the outer side of the guide column, and a second annular rack is fixedly connected to the outer side of the turntable. The turntable and the second annular rack are both located on the left side of the inside of the male mold, and the outer side of the first annular rack is meshed with the outer side of the second annular rack.
[0013] Furthermore, an impact assembly is commonly provided inside the male mold and the guide post, and the impact assembly includes a magnet ring fixedly connected to the outer side of the push rod.
[0014] Furthermore, a movable groove is provided inside the guide column, and the number of the movable grooves is plural, and the multiple movable grooves are divided into two groups. The inside of the two groups of movable grooves is fixedly connected with a second pressure spring on one side away from the push rod, and the other ends of the multiple second pressure springs are fixedly connected with magnetic blocks. The multiple magnetic blocks are respectively slidably connected in the multiple movable grooves, and the magnet ring magnetically repels adjacent magnetic blocks after moving.
[0015] Furthermore, a lubricating component is provided on the right side of the female mold and inside the male mold, and the lubricating component includes an embedding groove opened on the left side inside the male mold.
[0016] Furthermore, a striker is slidably connected in the embedding groove, a third pressure spring is fixedly connected to the right side of the striker, the other end of the third pressure spring is fixedly connected to the inner right side of the embedding groove, a pressure sensor is fixedly installed on the right side of the female mold, a controller is fixedly installed on the right side of the female mold, the pressure sensor and the controller are electrically connected, the male mold drives the striker to move to the left and then squeezes and contacts the right side of the pressure sensor, a storage cavity is opened inside the male mold, an atomizing nozzle is inserted into the inner left side of the male mold, and the atomizing nozzle is communicated with the storage cavity.
[0017] Furthermore, a collecting component is provided on the inner right side of the mother mold, and the collecting component includes a second movable groove opened on the right side of the mother mold, and a fourth pressure spring is fixedly connected to the inner left side of the second movable groove, and the number of the fourth pressure springs is multiple, and a collecting frame is fixedly connected between the other ends of the multiple fourth pressure springs, and the collecting frame is inserted into the second movable groove after moving.
[0018] Compared with the prior art, the present invention has the following beneficial effects:
[0019] (1) The present invention drives the push rod to rotate when the plastic part is being removed through the rotating rod. Since the push rod for removing the plastic part rotates slowly during the process of pushing the plastic part, the plastic part can be more easily separated from the surface of the guide column. The slow rotation can prevent the push rod from damaging the plastic part during the rotation process, prevent the plastic part from being defective, and thus ensure the production quality of the plastic part.
[0020] (2) The present invention drives the push rod to move during the movement by setting a limit rod, so that the material withdrawal progress is closely related to the distance of the limit rod. Since the push rod starts to withdraw the plastic part outside the guide column from the mother mold after the guide column is completely withdrawn, the time used for material withdrawal is saved, and the material withdrawal speed is related to the speed at which the male mold moves away from the female mold, so that the material withdrawal speed can be controlled according to the thickness of the side wall of the plastic part.
[0021] (3) The present invention sets a rotatable turntable, and the rotation direction of the start turntable is opposite to that of the push rod, so that the rotation of the two will generate torque on the plastic part. Since the turntable will start to rotate during the material withdrawal process, and the rotation direction of the turntable is opposite to that of the push rod, the rotation of the two will generate torque. The turntable is restricted from moving because it can only rotate, so that the plastic part can be separated from the guide column and the turntable more quickly, which further improves the efficiency of plastic part withdrawal and avoids the wear of the plastic part caused by the continuous rotation of the turntable. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a structural schematic diagram of the present invention;
[0023] Figure 2 It is a cross-sectional structural schematic diagram of the present invention;
[0024] Figure 3 It is a schematic cross-sectional structural diagram of the mother mold of the present invention;
[0025] Figure 4 It is a schematic cross-sectional structural diagram of the fixing cylinder of the present invention;
[0026] Figure 5 It is a cross-sectional flattened schematic diagram of the fixing cylinder of the present invention;
[0027] Figure 6 It is a schematic cross-sectional structural diagram of the male mold of the present invention;
[0028] Figure 7 It is a schematic cross-sectional structural diagram of the limiting rod of the present invention;
[0029] Figure 8 It is a structural schematic diagram of the turntable of the present invention;
[0030] Fig. 9 It is a schematic cross-sectional structural diagram of the guide column of the present invention.
[0031] Description of the numbers in the figure:
[0032] 1. Female mold; 2. Male mold; 3. Guide column; 4. Material removal component; 41. Fixed cylinder; 42. Guide groove; 43. Rotating rod; 44. First gear; 45. Second gear; 46. Push rod; 47. Pushing assembly; 471. Limiting groove; 472. Limiting rod; 473. First moving groove; 474. First pressure spring; 475. Sliding groove; 476. Sliding block; 48. Rotating assembly; 481. Ball screw; 482. First annular rack; 48 3. Turntable; 484. Second annular rack; 49. Impact assembly; 491. Magnet ring; 492. Movable slot; 493. Second pressure spring; 494. Magnetic block; 5. Lubricating component; 51. Embedding slot; 52. Impact rod; 53. Third pressure spring; 54. Pressure sensor; 55. Controller; 56. Atomizing nozzle; 57. Storage chamber; 58. Collection assembly; 581. Second movable slot; 582. Fourth pressure spring; 583. Collection frame. DETAILED DESCRIPTION
[0033] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.
[0034] See also Figures 1 to 9 , an injection mold for processing thin-walled plastic products, comprising a female mold 1 and a male mold 2 that fits with the female mold 1 after movement, a guide post 3 is fixedly connected to the left side of the male mold 2, and the right half of the guide post 3 is fixedly connected to the inside of the male mold 2, and a material removal component 4 is commonly provided inside the female mold 1 and the male mold 2;
[0035] The material stripping component 4 includes a fixed cylinder 41 fixedly connected to the inside of the female mold 1, a guide groove 42 is opened inside the fixed cylinder 41, and the number of guide grooves 42 is two, and the right halves of the two guide grooves 42 are both opened in a spiral shape, a rotating rod 43 is slidably connected inside the fixed cylinder 41, and the outer protrusions of the rotating rod 43 are respectively slidably connected in the two guide grooves 42, a first gear 44 is fixedly connected to the right end of the rotating rod 43, and the first gear 44 and the right half of the rotating rod 43 are both rotatably connected to the inner left side of the male mold 2, a second gear 45 is rotatably connected to the outer side of the guide column 3, the outer side of the first gear 44 and the outer side of the second gear 45 are meshed with each other, a push rod 46 is slidably connected to the inside of the second gear 45, the left half of the push rod 46 is slidably connected to the inside of the guide column 3, and the right half of the push rod 46 is slidably connected to the inside of the male mold 2, and the push rod 46 and the left half of the guide column 3 are moved and inserted into the inner right side of the female mold 1 together.
[0036] A pushing assembly 47 is disposed inside the female mold 1 and the male mold 2 .
[0037] By adopting the above technical solution, first, after the male mold 2 and the female mold 1 are fitted together, the guide post 3 is inserted into the female mold 1. During the injection molding process, the injected raw material will fill the gap between the guide post 3 and the mold cavity of the female mold 1. Then the male mold 2 is pulled, and the guide post 3 will carry the molded plastic part to gradually leave the female mold 1. At the same time, the rotating rod 43 fixed to the first gear 44 will slide along the track of the guide groove 42 inside the fixed cylinder 41, and after the rotating rod 43 slides to the part of the guide groove 42 spirally opened, the rotating rod 43 sliding along the guide groove 42 will start to rotate and drive the first gear 44 inside the male mold 2. The gear 44 rotates, and the first gear 44 meshes with the second gear 45 on the outside of the push rod 46, and the second gear 45 is limited by the structure of the pushing component 47 and slides on the outside of the push rod 46. When the first gear 44 rotates, the second gear 45 will also drive the push rod 46 to rotate inside the guide column 3. Since the push rod 46 used for material withdrawal will rotate slowly in the process of pushing the plastic part, the plastic part can be more easily detached from the surface of the guide column 3, and the slow rotation can prevent the push rod 46 from causing damage to the plastic part during the rotation process, prevent the plastic part from being defective, and thus ensure the production quality of the plastic part.
[0038] like Figures 2 to 7 As shown, the pushing component 47 includes a limiting groove 471 opened on the right side inside the female mold 1.
[0039] The limiting groove 471 is internally slidably connected to a limiting rod 472, a first movable groove 473 is provided inside the male mold 2, the right half of the limiting rod 472 is slidably connected in the first movable groove 473, a first pressure spring 474 is sleeved on the outer side of the limiting rod 472, and the first pressure spring 474 is in the first movable groove 473, the limiting rod 472 is in an "L" shape, the right end of the push rod 46 is rotatably connected to the left inner side of the vertical part of the limiting rod 472, and after the male mold 2 drives the guide column 3 to move to the right, the left end of the push rod 46 moves to the left relative to the guide column 3, a sliding groove 475 is provided on the outer side of the push rod 46, and the number of the sliding grooves 475 is two, and two sliders 476 are fixedly connected to the interior of the second gear 45, and the two sliders 476 are respectively slidably connected in the two sliding grooves 475.
[0040] By adopting the above technical solution, first, when the male mold 2 and the female mold 1 begin to separate, the limit rod 472 will slide in the limit groove 471 inside the female mold 1. When the limit rod 472 can no longer move in the limit groove 471, the limit rod 472 will drive the push rod 46 to slide in the first moving groove 473 inside the male mold 2. At this time, the first pressure spring 474 on the outer side of the limit rod 472 begins to be squeezed, and the limit rod 472 will slide in the first moving groove 473. At the same time, the rotating rod 43 begins to drive the second gear 45 to rotate through the first gear 44, so that the push rod 46 begins to vertically move on the limit rod 472. The side of the part rotates, at this time, the limit rod 472 remains stationary, and the male mold continues to drive the guide column 3 to move to the right, and in the process of the movement of the push rod 46, the second gear 45 will slide in the slide groove 475 on the outside of the push rod 46 through the two sliders 476 inside it, so that after the push rod 46 moves to the left relative to the guide column 3, the second gear 45 still rotates in the original position. Since the push rod 46 starts to withdraw the plastic part on the outside of the guide column 3 from the mother mold 1 when the guide column 3 is completely withdrawn, the time used for withdrawing the material is saved, and the speed of withdrawing the material is related to the speed at which the male mold 2 moves away from the mother mold 1, so that the speed of withdrawing the material can be controlled according to the thickness of the side wall of the plastic part.
[0041] like Figures 6 to 8 As shown, a rotating assembly 48 is provided inside the male mold 2. The rotating assembly 48 includes a ball screw 481 arranged on the left side of the vertical portion of the limiting rod 472. The ball screw 481 is composed of a screw rod, a nut sleeve and a ball.
[0042] The outer side of the nut sleeve of the ball screw 481 is fixedly connected to the first annular rack 482, and the ball screw 481 and the first annular rack 482 are both rotatably connected to the inside of the male mold 2. A turntable 483 is sleeved on the outer side of the guide column 3, and the outer side of the turntable 483 is fixedly connected to the second annular rack 484. The turntable 483 and the second annular rack 484 are both located on the left side inside the male mold 2, and the outer side of the first annular rack 482 is meshed with the outer side of the second annular rack 484.
[0043] By adopting the above technical solution, first, when the limit rod 472 drives the push rod 46 to slide inside the first moving groove 473, the screw rod of the ball screw 481 will move with the limit rod 472, and drive the nut sleeve to start rotating through the ball inside the nut sleeve. After the nut sleeve rotates, the second annular rack 484 on its outside is meshed with the first annular rack 482 on the outside of the turntable 483, and the turntable 483 is sleeved on the outside of the guide column 3, and one side of the guide column 3 is in contact with the male mold 2, and its outer side is restricted inside the male mold 2, resulting in that during the injection molding process, the plastic part contacts the other side of the turntable 483 When the second annular rack 484 drives the first annular rack 482 to rotate, the turntable 483 will rotate outside the guide column 3, and the rotation direction of the turntable 483 is opposite to that of the push rod 46. Since the turntable 483 will start to rotate during the material withdrawal process, and the rotation direction of the turntable 483 is opposite to that of the push rod 46, torque is generated after the two rotate, and the turntable 483 that is restricted from moving can only rotate, so that the plastic parts can be more quickly separated from the guide column 3 and the turntable 483, further improving the efficiency of plastic part withdrawal, while avoiding the wear of the plastic parts caused by the continuous rotation of the turntable 483.
[0044] like Figure 3 and Figure 6 and Fig. 9 As shown, a striking assembly 49 is provided inside the male mold 2 and the guide pillar 3 . The striking assembly 49 includes a magnet ring 491 fixedly connected to the outer side of the push rod 46 .
[0045] A movable groove 492 is provided inside the guide column 3, and the number of the movable grooves 492 is multiple, and the multiple movable grooves 492 are divided into two groups. The inside of the two groups of movable grooves 492 is fixedly connected to the side away from the push rod 46, and the other ends of the multiple second pressure springs 493 are fixedly connected to the magnetic blocks 494. The multiple magnetic blocks 494 are respectively slidably connected in the multiple movable grooves 492, and the magnet ring 491 magnetically repels the adjacent magnetic blocks 494 after moving.
[0046] By adopting the above technical scheme, first, when the magnet ring 491 on the outside of the push rod 46 moves to the left in the guide column 3, as the magnetic block 494 ring approaches the magnetic block 494 inside the movable groove 492, due to the magnetic repulsion between the magnetic block 494 and the magnet ring 491, the magnetic block 494 inside the movable groove 492 quickly moves away from the magnet ring 491 and hits the inner wall of the movable groove 492. When the magnet ring 491 moves away from the current magnetic block 494, the second pressure spring 493 corresponding to the movable groove 492 will push the magnetic block 494, so that the magnetic block 494 hits the other side of the inner wall of the movable groove 492. When the magnet ring 491 moves to the left, it will pass through multiple movable grooves 492. Since multiple magnetic blocks 494 hit the inner wall of the movable groove 492 while moving back and forth inside the corresponding movable groove 492, the guide column 3 will vibrate slightly, which is more conducive to the push rod 46 to return the plastic parts, thereby further improving the return efficiency of the plastic parts.
[0047] like Figure 3 As shown, a lubricating component 5 is provided on the right side of the female mold 1 and inside the male mold 2 . The lubricating component 5 includes an embedding groove 51 opened on the left side inside the male mold 2 .
[0048] A striker rod 52 is slidably connected in the embedding groove 51, and a third pressure spring 53 is fixedly connected to the right side of the striker rod 52. The other end of the third pressure spring 53 is fixedly connected to the inner right side of the embedding groove 51. A pressure sensor 54 is fixedly installed on the right side of the female mold 1. A controller 55 is fixedly installed on the right side of the female mold 1. The pressure sensor 54 and the controller 55 are electrically connected. The male mold 2 drives the striker rod 52 to move to the left and squeezes and contacts the right side of the pressure sensor 54. A storage cavity 57 is opened inside the male mold 2. An atomizing nozzle 56 is inserted on the left side of the inside of the male mold 2, and the atomizing nozzle 56 is communicated with the storage cavity 57.
[0049] By adopting the above technical solution, first, before the male mold 2 and the female mold 1 are fitted together, the striker 52 embedded in the groove 51 will first contact the pressure sensor 54, and the pressure sensor 54 receives and processes the signal, and then transmits it to the controller 55, so that the controller 55 sprays the lubricant in the storage chamber 57 into the mold cavity of the female mold 1 through the atomizing nozzle 56. After the striker 52 contacts the pressure sensor 54 for a few seconds, the atomizing nozzle 56 stops working, and then the male mold 2 and the female mold 1 are fitted together, and injection molding begins. When the male mold 2 is away from the female mold 1, the third pressure spring 53 embedded in the groove 51 will push the striker 52. Because the atomizing nozzle 56 will spray the lubricant into the mold cavity of the female mold 1 before the male mold 2 and the female mold 1 are fully fitted, the male mold 2 and the female mold 1 are easier to separate from the guide column 3 and the mold cavity of the female mold 1 after the injection molding is completed.
[0050] like Figure 3As shown, a collecting assembly 58 is provided on the inner right side of the mother mold 1, and the collecting assembly 58 includes a second movable groove 581 opened on the right side of the mother mold 1, and a fourth pressure spring 582 is fixedly connected to the inner left side of the second movable groove 581, and the number of the fourth pressure springs 582 is multiple, and a collecting frame 583 is fixedly connected between the other ends of the multiple fourth pressure springs 582, and the collecting frame 583 is inserted into the second movable groove 581 after moving.
[0051] By adopting the above technical solution, first, the fourth pressure spring 582 inside the second movable groove 581 will push the collecting frame 583, so that the collecting frame 583 is exposed from the inside of the second movable groove 581, and in the process of the male mold 2 approaching the female mold 1, one side of the collecting frame 583 contacts the male mold 2 and is gradually pushed into the second movable groove 581, and part of the lubricant flowing out from the mold cavity of the female mold 1 will be collected by the collecting frame 583. Since the collecting frame 583 is directly below the atomizing nozzle 56, the lubricant flowing out from the mold cavity of the female mold 1 is uniformly collected by the collecting frame 583, avoiding unnecessary waste of lubricant. The embedded design of the collecting frame 583 can prevent obstruction to the docking of the male mold 2 and the female mold 1.
[0052] Working principle: First, the male mold 2 and the female mold 1 are fitted together to start injection molding. When the male mold 2 is pulled, the guide column 3 will carry the molded plastic part gradually away from the female mold 1, and the rotating rod 43 fixed to the first gear 44 will slide along the track of the guide groove 42 inside the fixed cylinder 41, and after the rotating rod 43 slides to the part of the guide groove 42 spirally opened, it drives the first gear 44 to rotate. After the first gear 44 rotates, the second gear 45 will also drive the push rod 46 to rotate inside the guide column 3. At the same time, the limit rod 472 will slide in the limit groove 471 inside the female mold 1. When the limit rod 472 can no longer move inside the limit groove 471, the limit rod 472 will drive the push rod 46 to move in the first movable groove 471 inside the male mold 2. 73, at this time, the first pressure spring 474 on the outer side of the limit rod 472 begins to be squeezed, and after the limit rod 472 moves inside the first moving groove 473, the push rod 46 begins to rotate, while the limit rod 472 stays in place, and the male mold 2 drives the guide column 3 to continue to move, so that the push rod 46 moves to the left relative to the guide column 3. At this time, the second gear 45 will slide in the slide groove 475 on the outer side of the push rod 46 through the two sliders 476 inside it, so that after the push rod 46 moves to the left, the second gear 45 still rotates in place. At the same time, the screw of the ball screw 481 drives the nut sleeve to start rotating through the ball, and the second annular rack 484 on the outer side thereof is meshed with the first annular rack 482 on the outer side of the turntable 483, and the turntable 48 3 is sleeved on the outside of the guide column 3. When the second annular rack 484 drives the first annular rack 482 to rotate, the turntable 483 will rotate on the outside of the guide column 3, and the rotation direction of the turntable 483 is opposite to the rotation direction of the push rod 46. During the movement of the magnet ring 491 on the outside of the push rod 46 to the left in the guide column 3, as the magnet block 494 ring approaches the magnet block 494 inside the movable groove 492, due to the magnetic repulsion between the magnet block 494 and the magnet ring 491, the magnet block 494 inside the movable groove 492 quickly moves away from the magnet ring 491 and hits the inner wall of the movable groove 492. When the magnet ring 491 moves away from the current magnet block 494, the second pressure spring 493 corresponding to the inside of the movable groove 492 will push the magnet block 494, causing the magnet block 494 to hit On the other side of the inner wall of the movable groove 492, the magnet ring 491 will pass through multiple movable grooves 492 when moving to the left. Before the male mold 2 and the female mold 1 are fitted, the striker 52 embedded in the groove 51 will first contact the pressure sensor 54. The pressure sensor 54 receives and processes the signal, and then transmits it to the controller 55, so that the controller 55 sprays the lubricant in the storage cavity 57 into the mold cavity of the female mold 1 through the atomizing nozzle 56, and the fourth pressure spring 582 in the second movable groove 581 will push the collection frame 583, so that the collection frame 583 is exposed from the inside of the second movable groove 581. After one side of the collection frame 583 contacts the male mold 2, the collection frame 583 will be gradually pushed into the second movable groove 581.Part of the lubricant flowing out of the cavity of the female mold 1 will be collected by the collecting frame 583. After the striker 52 contacts the pressure sensor 54 for a few seconds, the atomizing nozzle 56 stops working. When the male mold 2 is away from the female mold 1, the third pressure spring 53 embedded in the groove 51 will push the striker 52.
[0053] The above is only a preferred specific implementation of the present invention; however, the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and its improved conception within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An injection mold for processing thin-walled plastic products, comprising a female mold (1) and a male mold (2) which fits with the female mold (1) after movement, wherein a guide post (3) is fixedly connected to the left side of the male mold (2), and the right half of the guide post (3) is fixedly connected to the inside of the male mold (2), characterized in that: The female mold (1) and the male mold (2) are both provided with a material stripping component (4) inside; The material-removing component (4) comprises a fixed cylinder (41) fixedly connected to the inside of the mother mold (1), a guide groove (42) is provided inside the fixed cylinder (41), and the number of the guide grooves (42) is two, and the right halves of the two guide grooves (42) are both spirally opened, a rotating rod (43) is slidably connected inside the fixed cylinder (41), and the outer protrusions of the rotating rod (43) are respectively slidably connected to the two guide grooves (42), and the right end of the rotating rod (43) is fixedly connected to a first gear (44), and the first gear (44) and the rotating rod (43) The right half of the push rod (46) is rotatably connected to the left side of the inside of the male mold (2); the outer side of the guide column (3) is rotatably connected to the second gear (45); the outer side of the first gear (44) is meshed with the outer side of the second gear (45); the inside of the second gear (45) is slidably connected to a push rod (46); the left half of the push rod (46) is slidably connected to the inside of the guide column (3); the right half of the push rod (46) is slidably connected to the inside of the male mold (2); after the push rod (46) and the left half of the guide column (3) are moved, they are inserted into the right side of the inside of the female mold (1) together.
2. The injection mold for processing thin-walled plastic products according to claim 1, characterized in that: The female mold (1) and the male mold (2) are both provided with a pushing assembly (47) inside. The pushing assembly (47) comprises a limiting groove (471) provided on the right side inside the female mold (1).
3. The injection mold for processing thin-walled plastic products according to claim 2, characterized in that: The limiting groove (471) is internally slidably connected to a limiting rod (472); a first moving groove (473) is provided inside the male mold (2); the right half of the limiting rod (472) is slidably connected to the first moving groove (473); a first pressure spring (474) is sleeved on the outer side of the limiting rod (472), and the first pressure spring (474) is in the first moving groove (473); the limiting rod (472) is in an "L" shape; the push rod (46 ) is rotatably connected to the left inner side of the vertical part of the limiting rod (472). After the male mold (2) drives the guide column (3) to move to the right, the left end of the push rod (46) moves to the left relative to the guide column (3). A sliding groove (475) is provided on the outer side of the push rod (46), and the number of the sliding grooves (475) is two. Two sliders (476) are fixedly connected to the inside of the second gear (45), and the two sliders (476) are slidably connected in the two sliding grooves (475) respectively.
4. The injection mold for processing thin-walled plastic products according to claim 3, characterized in that: A rotating assembly (48) is provided inside the male mold (2), and the rotating assembly (48) comprises a ball screw (481) arranged on the left side of the vertical portion of the limiting rod (472), and the ball screw (481) is composed of a screw rod, a nut sleeve and a ball.
5. The injection mold for processing thin-walled plastic products according to claim 4, characterized in that: The outer side of the nut sleeve of the ball screw (481) is fixedly connected to a first annular rack (482); the ball screw (481) and the first annular rack (482) are both rotatably connected to the inside of the male mold (2); the outer side of the guide column (3) is sleeved with a turntable (483); the outer side of the turntable (483) is fixedly connected to a second annular rack (484); the turntable (483) and the second annular rack (484) are both located on the left side inside the male mold (2); the outer side of the first annular rack (482) is meshed with the outer side of the second annular rack (484).
6. The injection mold for processing thin-walled plastic products according to claim 1, characterized in that: The male mold (2) and the guide pillar (3) are provided with a strike assembly (49) inside, and the strike assembly (49) comprises a magnet ring (491) fixedly connected to the outside of the push rod (46).
7. The injection mold for processing thin-walled plastic products according to claim 6, characterized in that: The guide column (3) is provided with a movable groove (492) inside, and the number of the movable grooves (492) is multiple, and the multiple movable grooves (492) are divided into two groups. The inside of the two groups of movable grooves (492) is fixedly connected with a second pressure spring (493) on one side away from the push rod (46), and the other ends of the multiple second pressure springs (493) are fixedly connected with a magnetic block (494). The multiple magnetic blocks (494) are respectively slidably connected in the multiple movable grooves (492), and the magnet ring (491) is magnetically repelled from the adjacent magnetic blocks (494) after moving.
8. The injection mold for processing thin-walled plastic products according to claim 1, characterized in that: A lubricating component (5) is provided on the right side of the female mold (1) and inside the male mold (2). The lubricating component (5) comprises an embedding groove (51) provided on the left side inside the male mold (2).
9. The injection mold for processing thin-walled plastic products according to claim 8, characterized in that: A striker rod (52) is slidably connected in the embedding groove (51), a third pressure spring (53) is fixedly connected to the right side of the striker rod (52), the other end of the third pressure spring (53) is fixedly connected to the right side of the embedding groove (51), a pressure sensor (54) is fixedly installed on the right side of the female mold (1), a controller (55) is fixedly installed on the right side of the female mold (1), the pressure sensor (54) and the controller (55) are electrically connected, the male mold (2) drives the striker rod (52) to move to the left and then squeezes and contacts the right side of the pressure sensor (54), a storage chamber (57) is opened inside the male mold (2), an atomizing nozzle (56) is inserted on the left side of the inside of the male mold (2), and the atomizing nozzle (56) is connected to the storage chamber (57).
10. The injection mold for processing thin-walled plastic products according to claim 1, characterized in that: A collecting assembly (58) is provided on the right side of the interior of the mother mold (1), and the collecting assembly (58) includes a second movable groove (581) opened on the right side of the mother mold (1), and a fourth pressure spring (582) is fixedly connected to the left side of the interior of the second movable groove (581), and the number of the fourth pressure springs (582) is multiple, and a collecting frame (583) is fixedly connected between the other ends of the multiple fourth pressure springs (582), and the collecting frame (583) is inserted into the second movable groove (581) after moving.
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