Segmented Floating Demolding Mechanism Based on High-Fall Products and an Injection Mold

Abstract

The present invention relates to the field of injection molds, specifically to a segmented floating demolding mechanism for high-drop products, which is arranged on an injection mold. The injection mold includes a fixed mold and a movable mold. The segmented floating demolding mechanism includes a first linkage assembly and a second linkage assembly evenly distributed around the fixed mold and the movable mold. The fixed mold is composed of a first segmented female mold and a second segmented female mold, and the movable mold is composed of a first segmented male mold and a second segmented male mold. The first linkage assembly is arranged between the first segmented female mold and the second segmented female mold, and the second linkage assembly is arranged between the first segmented male mold and the second segmented male mold. The present invention sequentially separates from the outer wall of the barrel through the cooperation of the first linkage assembly with the first segmented female mold and the second segmented female mold, and sequentially separates from the inner wall of the barrel through the cooperation of the second linkage assembly with the second segmented male mold and the first segmented male mold, ensuring the stability during the demolding process and improving the demolding success rate and product quality. The present invention also relates to an injection mold.

Description

Technical Field

[0001] The present invention relates to the field of injection molds, specifically to a segmented floating demolding mechanism for high-drop products, and also to an injection mold. Background Art

[0002] Currently, during the demolding process of products with high drops, when demolding, due to the large contact area, the required demolding force is large, which easily causes damage, cracks, or deformation to the cavity, thereby affecting the forming quality of the barrel. The existing segmented floating demolding mechanism divides the mold into multiple segments and sets floating devices between each segment to achieve independent floating and position adjustment of each segment to adapt to the height difference of the product. This mechanism design can effectively reduce the jamming and deformation of the product during the demolding process and improve the demolding success rate and product quality. However, since the segmented floating demolding mechanism requires multiple floating segments and floating devices, its stability may be affected. During the operation process, if the cooperation between the floating segments is not tight enough or the adjustment of the floating device is inaccurate, it may lead to incomplete demolding.

[0003] The currently disclosed Chinese patent CN114932658A for an injection mold for high-drop products includes a fixed mold, a movable mold, and a demolding mechanism. The fixed mold is fixedly arranged, and a forming groove is arranged in the fixed mold. The movable mold is adapted to cooperate with the forming groove to form a forming deep cavity for forming a barrel. The movable mold includes at least one segmented core mold and a substrate. The core mold is installed on the substrate, and the core mold is adapted to cooperate with the forming groove to form a cavity in the barrel. The demolding mechanism is installed on the substrate and cooperates with the core mold. When demolding, the demolding process includes a first process and a second process. Among them, in the first process: the demolding mechanism is adapted to sequentially drive each segment of the core mold to contract towards the center of the movable mold, and then sequentially separate the core mold from the side wall of the formed cavity in segments, thereby effectively reducing the demolding force on the barrel when the core mold is demolded and improving the demolding quality of the barrel. In the second process: the movable mold drives the demolding mechanism to move away from the formed barrel synchronously.

[0004] Although the above patent uses a segmented floating demolding method, it fails to ensure the stability between the floating segments. If the cooperation between the floating segments is not tight enough or the adjustment of the floating device is inaccurate, it may lead to incomplete demolding. Therefore, it is necessary to ensure the tight cooperation between the floating segments, avoid loosening or gaps, and set a linkage component between the floating segments to ensure stable demolding. Summary of the Invention

[0005] In view of the problems existing in the prior art, a segmented floating demoulding mechanism for high-drop products is provided. In the present invention, the first linkage component cooperates with the first segmented female die and the second segmented female die to sequentially disengage from the outer wall of the barrel, and the second linkage component cooperates with the second segmented male die and the first segmented male die to sequentially disengage from the inner wall of the barrel, ensuring the stability during the demoulding process and improving the demoulding success rate and product quality.

[0006] To solve the problems of the prior art, the present invention provides a segmented floating demoulding mechanism for high-drop products, which is arranged on an injection mould. The injection mould includes a first frame and a second frame. Guide columns are provided between the four corners around the first frame and the second frame. The injection mould further includes a fixed mould and a moving mould. The fixed mould is fixedly arranged on the first frame, and the moving mould is slidably arranged on the guide columns. When the fixed mould and the moving mould are closed, a mould cavity for injection moulding the barrel is formed between the fixed mould and the moving mould. The segmented floating demoulding mechanism includes a first linkage component and a second linkage component evenly distributed around the fixed mould and the moving mould. The fixed mould is composed of a first segmented female die and a second segmented female die. The first segmented female die is fixedly connected to the first frame, and an injection port is formed on the first segmented female die. The second segmented female die can move relative to the first segmented female die. The moving mould is composed of a first segmented male die and a second segmented male die. Both the first segmented male die and the second segmented male die are slidably arranged on the guide columns. The second segmented male die can move relative to the first segmented male die. The first linkage component is arranged between the first segmented female die and the second segmented female die, and the second linkage component is arranged between the first segmented male die and the second segmented male die.

[0007] Preferably, a middle rod is coaxially and throughly provided at the center of the first segmented male die. One end of the middle rod is fixedly connected to the first segmented male die, and the other end of the middle rod extends outwards through the second segmented male die. An end plate is coaxially and fixedly provided at the extending end of the middle rod. The second segmented male die is arranged between the end plate and the first segmented male die. The second segmented male die is provided with a plurality of segmented modules, which are evenly distributed around the circumferential direction of the middle rod. A gap is left between every two adjacent segmented modules, and a supplementary insert is inserted into each gap. A slot for the supplementary insert to slide and be clamped is formed along the axial direction of the edge of the first segmented male die. A convex block is provided at the end of each segmented module in contact with the first segmented male die. A sliding groove for the corresponding convex block to slide is respectively formed along the axial center line direction at the ends of the first segmented male die and the second segmented male die in contact with each other.

[0008] Preferably, a floating sleeve frame in contact with the second segmented female die is slidably sleeved on the first segmented male die. Each supplementary insert is fixedly connected to the floating sleeve frame. A spring is fixedly connected between the floating sleeve frame and the first segmented male die. A magnetic attraction part controlled by electricity is provided at the end of the first segmented male die in contact with the second segmented male die and corresponding to the edge of each supplementary insert. Each supplementary insert is made of a magnet material. A first electromagnet is provided at the edge of the second segmented female die, and a second electromagnet is provided at the edge of the floating sleeve frame corresponding to the first electromagnet.

[0009] Preferably, the first linkage assembly is provided with a first connecting rod and a second connecting rod. One end of the first connecting rod is rotatably connected to the first segmented female die, and one end of the second connecting rod is rotatably connected to the second segmented female die. A first shaft rod is axially connected between the other end of the first connecting rod and the other end of the second connecting rod. A fixed frame that sleeves the fixed die is fixedly connected between the four guide posts. A track opening for the first shaft rod to move is formed on the side of the fixed frame. A reset driving part for driving the second segmented female die to fit with the first segmented female die is provided between the fixed frame and the first frame.

[0010] Preferably, the reset driving part is provided with a block slidably clamped on the fixed frame. A first movable frame is provided between the fixed frame and the first frame. The first movable frame is slidably arranged on the guide posts. A push rod is provided between the block and the first movable frame. The two ends of the push rod are respectively rotatably connected to the block and the first movable frame. A first electromagnetic driver for driving the first movable frame to move is provided between the first frame and the first movable frame.

[0011] Preferably, a pressure sensor facing the first shaft rod is provided on the block. A compression spring is fixedly connected between the pressure sensor and the block.

[0012] Preferably, the second linkage assembly is provided with a third connecting rod and a fourth connecting rod. One end of the third connecting rod is rotatably connected to the floating sleeve frame, and one end of the fourth connecting rod is rotatably connected to the first segmented male die. A second shaft rod is axially connected between the other end of the third connecting rod and the other end of the fourth connecting rod. A separation driving part for driving the floating sleeve frame to move relative to the first segmented male die is provided between the floating sleeve frame and the first segmented male die. An opening and closing driving part for driving the opening and closing between multiple segmented modules is provided on the intermediate rod.

[0013] Preferably, the separation driving part is provided with a second movable frame. The second movable frame is slidably arranged on the guide posts. A strip-shaped opening for the second shaft rod to move is formed on the side of the second movable frame. A second electromagnetic driver for driving the second movable frame to move is provided between the first segmented male die and the second movable frame.

[0014] Preferably, the opening and closing driving member is provided with a third electromagnet and a fourth electromagnet. Both the third electromagnet and the fourth electromagnet are in a ring structure. The third electromagnet and the fourth electromagnet are both sleeved on the middle rod. An embedding opening for installing the opening and closing driving member is provided at the end where the first segmented punch and the second segmented punch are in contact. The third electromagnet is fixedly connected to the first segmented punch. The fourth electromagnet can slide on the middle rod relative to the fourth electromagnet. A linkage rod is hinged between each segmented module and the fourth electromagnet.

[0015] The present invention also provides an injection mold, which includes a first frame and a second frame. Guide columns are provided between the four corners around the first frame and the second frame. The injection mold also includes a fixed mold and a movable mold. The fixed mold is fixedly arranged on the first frame. The movable mold is slidably arranged on the guide columns. The fixed mold is composed of a first segmented female mold and a second segmented female mold. The movable mold is composed of a first segmented punch and a second segmented punch. It also includes a segmented floating demolding mechanism for high-drop products. The demolding mechanism includes a first linkage assembly and a second linkage assembly evenly distributed around the fixed mold and the movable mold. The first linkage assembly is arranged between the first segmented female mold and the second segmented female mold. The second linkage assembly is arranged between the first segmented punch and the second segmented punch.

[0016] The beneficial effects of this application compared with the prior art are as follows:

[0017] 1. In the present invention, the first linkage assembly cooperates with the first segmented female mold and the second segmented female mold to sequentially separate from the barrel body, so that the outer wall of the barrel body is separated from the concave surface of the fixed mold. The second linkage assembly cooperates with the second segmented punch and the first segmented punch to sequentially separate from the barrel body, so that the inner wall of the barrel body is separated from the convex surface of the movable mold, realizing segmented demolding of the barrel body in the fixed mold and the movable mold, ensuring the stability during the demolding process, and improving the demolding success rate and product quality.

[0018] 2. In the present invention, the first segmented female mold and the second segmented female mold are connected together by the first connecting rod and the second connecting rod, enabling the second segmented female mold to move relative to the first segmented female mold, and under the action of the reset driving member, enabling the second segmented female mold to fit with the first segmented female mold again, realizing the sequential separation of the outer wall of the barrel body from the first segmented female mold and the second segmented female mold, and ensuring the stability of the demolding of the outer wall of the barrel body.

[0019] 3. In the present invention, the first segmented punch and the floating sleeve frame are connected together by the third connecting rod and the fourth connecting rod, enabling the floating sleeve frame to move relative to the first segmented punch. Under the action of the separation driving member, enabling the supplementary insert to enter and exit between adjacent two segmented modules, and under the action of the opening and closing driving member, enabling multiple segmented modules to approach or move away from the inner wall of the barrel body, realizing the sequential separation of the inner wall of the barrel body from the second segmented punch and the first segmented punch, and ensuring the stability of the demolding of the inner wall of the barrel body. Description of the Drawings

[0020] Figure 1 is a three-dimensional structural schematic diagram of a segmented floating demolding mechanism for high-drop products;

[0021] Figure 2 is a partial three-dimensional structural sectional view of a segmented floating demolding mechanism for high-drop products;

[0022] Figure 3 is a left view of a segmented floating demolding mechanism for high-drop products;

[0023] Figure 4 is a centerline sectional view of a segmented floating demolding mechanism for high-drop products;

[0024] Figure 5 is a diagonal sectional view of a segmented floating demolding mechanism for high-drop products;

[0025] Figure 6 is Figure 5 a sectional view taken at A-A of

[0026] Figure 7 is a schematic diagram of the state where the barrel of a segmented floating demolding mechanism for high-drop products is separated from the fixed mold;

[0027] Figure 8 is a schematic diagram of the state where the barrel of a segmented floating demolding mechanism for high-drop products is separated from the moving mold;

[0028] Figure 9 is Figure 3 a three-dimensional structural sectional view taken at B-B of

[0029] Figure 10 is Figure 9 an enlarged schematic diagram at C of

[0030] Figure 11 is Figure 5 an enlarged schematic diagram at D of

[0031] Figure 12 is a three-dimensional structural schematic diagram of the fixed mold of a segmented floating demolding mechanism for high-drop products;

[0032] Figure 13 is a three-dimensional structural schematic diagram of the moving mold of a segmented floating demolding mechanism for high-drop products.

[0033] The reference numerals in the figure are: 1 - first frame; 11 - guide post; 2 - second frame; 3 - fixed mold; 31 - first segmented female mold; 311 - injection port; 32 - second segmented female mold; 321 - first electromagnet; 322 - second electromagnet; 4 - moving mold; 41 - first segmented male mold; 411 - intermediate rod; 4111 - end plate; 412 - slot; 42 - second segmented male mold; 421 - segmented module; 4211 - convex block; 422 - supplementary insert; 4221 - magnetic attracting part; 423 - floating sleeve frame; 4231 - spring; 5 - first linkage assembly; 51 - first connecting rod; 52 - second connecting rod; 521 - first shaft rod; 53 - fixed frame; 54 - reset driving part; 541 - clamping block; 5411 - pressure sensor; 5412 - compression spring; 542 - first movable frame; 5421 - first electromagnetic driver; 543 - push rod; 6 - second linkage assembly; 61 - third connecting rod; 62 - fourth connecting rod; 621 - second shaft rod; 63 - separating driving part; 631 - second movable frame; 632 - second electromagnetic driver; 64 - opening and closing driving part; 641 - third electromagnet; 642 - fourth electromagnet; 6421 - linkage rod; 7 - barrel body. Detailed implementation mode

[0034] To further understand the features, technical means, specific purposes and functions achieved by the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation modes.

[0035] See Figures 1-8 As shown, based on the segmented floating demolding mechanism for high-drop products, it is arranged on an injection mold. The injection mold includes a first frame 1 and a second frame 2. Guide posts 11 are provided between the four corners of the first frame 1 and the second frame 2. The injection mold further includes a fixed mold 3 and a moving mold 4. The fixed mold 3 is fixedly arranged on the first frame 1, and the moving mold 4 is slidably arranged on the guide posts 11. When the fixed mold 3 and the moving mold 4 are closed, a cavity for injecting and molding the barrel body 7 is formed between the fixed mold 3 and the moving mold 4. The segmented floating demolding mechanism includes a first linkage assembly 5 and a second linkage assembly 6 evenly distributed around the fixed mold 3 and the moving mold 4. The fixed mold 3 is composed of a first segmented female mold 31 and a second segmented female mold 32. The first segmented female mold 31 is fixedly connected to the first frame 1, and an injection port 311 is opened on the first segmented female mold 31. The second segmented female mold 32 can move relative to the first segmented female mold 31. The moving mold 4 is composed of a first segmented male mold 41 and a second segmented male mold 42. The first segmented male mold 41 and the second segmented male mold 42 are both slidably arranged on the guide posts 11. The second segmented male mold 42 can move relative to the first segmented male mold 41. The first linkage assembly 5 is arranged between the first segmented female mold 31 and the second segmented female mold 32, and the second linkage assembly 6 is arranged between the first segmented male mold 41 and the second segmented male mold 42.

[0036] During the injection molding process of the barrel body 7 with a high drop, the fixed mold 3 and the movable mold 4 are closed, and a mold cavity for injecting and molding the barrel body 7 is formed between the fixed mold 3 and the movable mold 4. As the injection liquid is injected into the mold cavity through the injection port 311, the barrel body 7 is formed after cooling, and then the fixed mold 3 and the movable mold 4 are demolded. During the demolding process, the movable mold 4 drives the second segmented female mold 32 away from the first segmented female mold 31. At this time, a part of the outer wall of the barrel body 7 is removed from the first segmented female mold 31. Then the movable mold 4 stops moving. Since the first segmented female mold 31 and the second segmented female mold 32 are connected by a first linkage component 5, therefore, driven by the first linkage component 5, the second segmented female mold 32 is separated from the first segmented male mold 41, and the second segmented female mold 32 fits back with the first segmented female mold 31. At this time, the remaining part of the outer wall of the barrel body 7 is removed from the second segmented female mold 32 and the barrel body 7 still adheres to the movable mold 4. Then the movable mold 4 continues to move away from the fixed mold 3 until the first segmented male mold 41 contacts the second frame 2, and a distance for taking out the barrel body 7 is left between the fixed mold 3 and the movable mold 4. Since the first segmented male mold 41 and the second segmented male mold 42 are connected by a second linkage component 6, therefore, driven by the second linkage component 6, first the second segmented male mold 42 is separated from a part of the inner wall of the barrel body 7, and then the first segmented male mold 41 is separated from the remaining part of the inner wall of the barrel body 7, and finally the demolding of the barrel body 7 is completed.

[0037] See Figures 1-8 As shown, a middle rod 411 is coaxially and throughly provided at the center of the first segmented male mold 41. One end of the middle rod 411 is fixedly connected to the first segmented male mold 41, and the other end of the middle rod 411 extends outwards through the second segmented male mold 42. An end plate 4111 is coaxially and fixedly provided at the extended end of the middle rod 411. The second segmented male mold 42 is arranged between the end plate 4111 and the first segmented male mold 41. The second segmented male mold 42 is provided with a plurality of segmented modules 421, and the plurality of segmented modules 421 are evenly distributed around the circumferential direction of the middle rod 411. A gap is left between every two adjacent segmented modules 421, and a supplementary insert 422 is inserted into each gap. A slot 412 for sliding and clamping the supplementary insert 422 is provided along the axial direction at the edge of the first segmented male mold 41. A convex block 4211 is provided at the end of each segmented module 421 in contact with the first segmented male mold 41. Along the axial direction of its axis, sliding grooves for the corresponding convex blocks 4211 to slide are respectively provided at the ends of the first segmented male mold 41 and the second segmented male mold 42 in contact with each other.

[0038] A complete second segmented punch 42 is formed among the segmented module 421, the supplementary insert 422 and the end plate 4111; when the supplementary inserts 422 between every two adjacent segmented modules 421 are all pulled out, the multiple segmented modules 421 are in a state of inward convergence and the segmented modules 421 are separated from the inner wall of the barrel 7; when each supplementary insert 422 is respectively inserted between two adjacent segmented modules 421, the multiple segmented modules 421 are in a state of outward opening and the segmented modules 421 are in contact with the inner wall of the barrel 7; when the outer wall of the barrel 7 is removed from the fixed mold 3, the second linkage assembly 6 then drives all the supplementary inserts 422 to move outwards. At this time, a gap is left between every two adjacent segmented modules 421. As each segmented module 421 moves along the chute through the bump 4211, until the multiple segmented modules 421 are fitted together, each segmented module 421 is separated from the inner wall of the barrel 7, so that a part of the inner wall of the barrel 7 is demolded first.

[0039] See Figures 2-8 As shown, a floating sleeve frame 423 in contact with the second segmented female die 32 is slidably sleeved on the first segmented punch 41. Each supplementary insert 422 is fixedly connected to the floating sleeve frame 423. A spring 4231 is fixedly connected between the floating sleeve frame 423 and the first segmented punch 41. At the end of the first segmented punch 41 in contact with the second segmented punch 42 and corresponding to the edge of each supplementary insert 422, an electromagnetic attraction part 4221 controlled by electricity is provided. Each supplementary insert 422 is made of magnet material. A first electromagnet 321 is provided at the edge of the second segmented female die 32, and a second electromagnet 322 is provided at the edge of the floating sleeve frame 423 corresponding to the first electromagnet 321.

[0040] When the supplementary insert 422 slides along the slot 412 on the first segmented punch 41, the second linkage assembly 6 drives the floating sleeve frame 423 to move, so that each supplementary insert 422 can respectively enter and exit between two adjacent segmented modules 421. As the floating sleeve frame 423 contacts the second segmented female die 32, the electromagnetic attraction part 4221 is controlled to attract the supplementary insert 422, so that the floating sleeve frame 423 and the first segmented punch 41 are in a fixed state. The second segmented female die 32 and the floating sleeve frame 423 are adsorbed together through the first electromagnet 321 and the second electromagnet 322. When the moving mold 4 moves away from the fixed mold 3, the second segmented female die 32 then moves away from the first segmented female die 31, and the barrel 7 is separated from the first segmented female die 31.

[0041] See Figures 2-8As shown in the figure, the first linkage component 5 is provided with a first connecting rod 51 and a second connecting rod 52. One end of the first connecting rod 51 is rotatably connected to the first segmented female die 31, and one end of the second connecting rod 52 is rotatably connected to the second segmented female die 32. A first shaft rod 521 is axially connected between the other end of the first connecting rod 51 and the other end of the second connecting rod 52. A fixed frame 53 that sleeved the fixed die 3 is fixedly connected between the four guide posts 11. A track opening for the movement of the first shaft rod 521 is provided on the side of the fixed frame 53. A reset driving member 54 for driving the second segmented female die 32 to fit with the first segmented female die 31 is provided between the fixed frame 53 and the first frame 1.

[0042] When the second segmented female die 32 moves away from the first segmented female die 31, the first segmented female die 31 and the second segmented female die 32 are connected together by the first connecting rod 51 and the second connecting rod 52. Until the first connecting rod 51 and the second connecting rod 52 tend to be in a parallel state, the movement of the second segmented female die 32 relative to the first segmented female die 31 reaches the maximum distance. The first shaft rod 521 axially connected between the first connecting rod 51 and the second connecting rod 52 moves along the track opening on the fixed frame 53. The first shaft rod 521 moves from one end of the track opening to the other end of the track opening. At this time, a part of the outer wall of the barrel 7 first disengages from the first segmented female die 31. Then the reset driving member 54 is activated to drive the first shaft rod 521 to move to the original position of the track opening, so that the included angle between the first connecting rod 51 and the second connecting rod 52 gradually decreases. The second segmented female die 32 then fits with the first segmented female die 31, so that the remaining part of the outer wall of the barrel 7 disengages from the second segmented female die 32, completing the segmented demoulding between the outer wall of the barrel 7 and the fixed die 3.

[0043] See Figure 1 、 Figure 3 and Figure 5 As shown in the figure, the reset driving member 54 is provided with a block 541 slidably clamped on the fixed frame 53. A first movable frame 542 is provided between the fixed frame 53 and the first frame 1. The first movable frame 542 is slidably arranged on the guide posts 11. A push rod 543 is provided between the block 541 and the first movable frame 542. Both ends of the push rod 543 are rotatably connected to the block 541 and the first movable frame 542 respectively. A first electromagnetic driver 5421 for driving the movement of the first movable frame 542 is provided between the first frame 1 and the first movable frame 542.

[0044] After the first shaft rod 521 contacts the latch 541, the first electromagnetic driver 5421 is activated. The first electromagnetic driver 5421 drives the first movable frame 542 to move towards the fixed frame 53, so that the push rod 543 pushes the latch 541. Subsequently, the latch 541 moves along the edge of the fixed frame 53, pushing the first shaft rod 521 back to its original position. After the first shaft rod 521 is in place, the second segmented female die 32 then fits with the first segmented female die 31.

[0045] See Figure 3 、 Figure 9 and Figure 10 As shown, a pressure sensor 5411 facing the first shaft rod 521 is provided on the latch 541. A compression spring 5412 is fixedly connected between the pressure sensor 5411 and the latch 541.

[0046] After the second segmented female die 32 moves into place relative to the first segmented female die 31, the first shaft rod 521 contacts the pressure sensor 5411. After the pressure sensor 5411 is pressed, the compression spring 5412 is compressed. After the pressure sensor 5411 senses the pressure, it then activates the first electromagnetic driver 5421, pushing the first shaft rod 521 back to its original position, effectively completing the separation or approach of the second segmented female die 32 relative to the first segmented female die 31.

[0047] See Figure 1 、 Figure 2 、 Figure 3 and Figure 5 As shown, the second linkage assembly 6 is provided with a third connecting rod 61 and a fourth connecting rod 62. One end of the third connecting rod 61 is rotatably connected to the floating sleeve frame 423, and one end of the fourth connecting rod 62 is rotatably connected to the first segmented male die 41. A second shaft rod 621 is axially connected between the other end of the third connecting rod 61 and the other end of the fourth connecting rod 62. A separation driving member 63 for driving the floating sleeve frame 423 to move relative to the first segmented male die 41 is provided between the floating sleeve frame 423 and the first segmented male die 41. An opening and closing driving member 64 for driving the opening and closing between the plurality of segmented modules 421 is provided on the intermediate rod 411.

[0048] When the inner wall of the barrel body 7 is separated from the second segmented punch 42 and the first segmented punch 41 in sequence, the first segmented punch 41 and the floating sleeve frame 423 are connected together through the third connecting rod 61 and the fourth connecting rod 62. The separation driving member 63 drives the second shaft rod 621 to move, thereby controlling the floating sleeve frame 423 to move towards the second frame 2. The included angle between the third connecting rod 61 and the fourth connecting rod 62 gradually decreases, so that all the supplementary inserts 422 are separated from each segmented module 421. At this time, all the segmented modules 421 can move inwards. Then the opening and closing driving member 64 is started to drive all the segmented modules 421 to move inwards synchronously until they fit together. At this time, the segmented modules 421 are separated from the inner wall of the barrel body 7, and the demoulding of a part of the inner wall of the barrel body 7 is completed. Subsequently, the separation driving member 63 drives the second shaft rod 621 to move again, thereby controlling the floating sleeve frame 423 to move towards the first frame 1. The included angle between the third connecting rod 61 and the fourth connecting rod 62 gradually increases until the barrel body 7 is pushed out of the first segmented punch 41, and the demoulding of the remaining part inside the barrel body 7 is completed, effectively achieving the effect that the inner wall of the barrel body 7 is completely separated from the moving die 4.

[0049] See Figure 2 , Figure 5 and Figure 11 As shown in, the separation driving member 63 is provided with a second movable frame 631. The second movable frame 631 is slidably arranged on the guide post 11. A strip-shaped opening for the second shaft rod 621 to move is formed on the side of the second movable frame 631. A second electromagnetic driver 632 for driving the second movable frame 631 to move is arranged between the first segmented punch 41 and the second movable frame 631.

[0050] When the separation driving member 63 is started, the second electromagnetic driver 632 drives the second movable frame 631 to move along the guide post 11. Since the second shaft rod 621 is movably clamped in the strip-shaped opening on the second movable frame 631, therefore, the second movable frame 631 drives the movement of the second shaft rod 621, thereby driving the movement of the third connecting rod 61 and the fourth connecting rod 62, controlling the moving direction of the floating sleeve frame 423 relative to the first segmented punch 41, effectively and completely combining the second segmented punch 42, and effectively separating the barrel body 7 from the first segmented punch 41 and the second segmented punch 42.

[0051] See Figure 2 , Figure 5 and Figure 11As shown in the figure, the opening and closing driving member 64 is provided with a third electromagnet 641 and a fourth electromagnet 642. Both the third electromagnet 641 and the fourth electromagnet 642 are in a ring structure. The third electromagnet 641 and the fourth electromagnet 642 are both sleeved on the middle rod 411. The end where the first segmented punch 41 contacts the second segmented punch 42 is provided with an insertion opening for installing the opening and closing driving member 64. The third electromagnet 641 is fixedly connected to the first segmented punch 41. The fourth electromagnet 642 can slide on the middle rod 411 relative to the fourth electromagnet 642. A linkage rod 6421 is hinged between each segmented module 421 and the fourth electromagnet 642.

[0052] After the supplementary insert 422 moves away from the segmented module 421, the opening and closing driving member 64 is activated. By energizing the third electromagnet 641 and the fourth electromagnet 642, according to the principle of like poles repelling and opposite poles attracting, the movement of the fourth electromagnet 642 relative to the third electromagnet 641 is controlled. Since a linkage rod 6421 is hinged between each segmented module 421 and the first electromagnet 321, the synchronous movement of all the segmented modules 421 is completed.

[0053] An injection mold includes a first frame 1 and a second frame 2. Guide posts 11 are provided between the four corners of the first frame 1 and the second frame 2. The injection mold further includes a stationary mold 3 and a moving mold 4. The stationary mold 3 is fixedly arranged on the first frame 1. The moving mold 4 is slidably arranged on the guide posts 11. The stationary mold 3 is composed of a first segmented female mold 31 and a second segmented female mold 32. The moving mold 4 is composed of a first segmented punch 41 and a second segmented punch 42. It further includes a segmented floating demoulding mechanism for high-drop products. The demoulding mechanism includes a first linkage assembly 5 and a second linkage assembly 6 evenly distributed around the stationary mold 3 and the moving mold 4. The first linkage assembly 5 is arranged between the first segmented female mold 31 and the second segmented female mold 32. The second linkage assembly 6 is arranged between the first segmented punch 41 and the second segmented punch 42.

[0054] In the present invention, through the cooperation of the first linkage assembly 5 with the first segmented female mold 31 and the second segmented female mold 32 to sequentially separate from the barrel 7, the outer wall of the barrel 7 is separated from the concave surface of the stationary mold 3. Through the cooperation of the second linkage assembly 6 with the second segmented punch 42 and the first segmented punch 41 to sequentially separate from the barrel 7, the inner wall of the barrel 7 is separated from the convex surface of the moving mold 4, ensuring the stability during the demoulding process and improving the demoulding success rate and product quality.

[0055] The above embodiments only represent one or several implementation manners of the present invention. The description is relatively specific and detailed, but it cannot be understood as a limitation on the scope of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A segmented floating demoulding mechanism for a high drop product is arranged on an injection mold, the injection mold comprising a first frame (1) and a second frame (2), guide columns (11) are arranged between the four corners of the first frame (1) and the second frame (2), the injection mold further comprising a fixed mold (3) and a movable mold (4), the fixed mold (3) is fixedly arranged on the first frame (1), and the movable mold (4) is slidably arranged on the guide columns (11), when the fixed mold (3) and the movable mold (4) are closed, a mold cavity for injection molding of a barrel body (7) is formed between the fixed mold (3) and the movable mold (4), characterized in that: The segmented floating demoulding mechanism comprises a first linkage assembly (5) and a second linkage assembly (6) uniformly distributed around a fixed mold (3) and a movable mold (4); the fixed mold (3) is composed of a first segmented concave mold (31) and a second segmented concave mold (32); the first segmented concave mold (31) is fixedly connected to a first frame (1); an injection port (311) is provided on the first segmented concave mold (31); the second segmented concave mold (32) is movable relative to the first segmented concave mold (31); and the movable mold (4) is composed of The first segmented punch (41) and the second segmented punch (42) are both slidably arranged on the guide column (11), the second segmented punch (42) can move relative to the first segmented punch (41), the first linkage component (5) is arranged between the first segmented die (31) and the second segmented die (32), and the second linkage component (6) is arranged between the first segmented punch (41) and the second segmented punch (42); An intermediate rod (411) is coaxially and penetrates the center of the first segmented convex mold (41), one end of the intermediate rod (411) is fixedly connected to the first segmented convex mold (41), the other end of the intermediate rod (411) passes through the second segmented convex mold (42) and protrudes outward, an end plate (4111) is coaxially and fixedly provided at the extended end of the intermediate rod (411), the second segmented convex mold (42) is arranged between the end plate (4111) and the first segmented convex mold (41), and the second segmented convex mold (42) is provided with a plurality of segmented modules (421), and the plurality of segmented modules (421) are arranged around the intermediate rod (411). The segments (421) are evenly distributed in the circumferential direction, a gap is left between every two adjacent segment modules (421), and a supplementary insert strip (422) is inserted in each gap. The edge of the first segment convex mold (41) is provided with a slot (412) for the supplementary insert strip (422) to slide and engage along its axial direction. The end of each segment module (421) that contacts the first segment convex mold (41) is provided with a convex block (4211). The end of the first segment convex mold (41) that contacts the second segment convex mold (42) is provided with a slide groove for the corresponding convex block (4211) to slide along its axial direction.

2. The segmented floating demoulding mechanism based on high drop products according to claim 1 is characterized in that: A floating sleeve (423) in contact with the second segmented die (32) is slidably sleeved on the first segmented convex mold (41); each supplementary insert strip (422) is fixedly connected to the floating sleeve frame (423); a spring (4231) is fixedly connected between the floating sleeve frame (423) and the first segmented convex mold (41); an end portion where the first segmented convex mold (41) and the second segmented convex mold (42) are in contact and an edge corresponding to each supplementary insert strip (422) is provided with a magnetic attraction portion (4221) for passing an electric control; each supplementary insert strip (422) is made of a magnet material; a first electromagnet (321) is provided on an edge of the second segmented die (32); and a second electromagnet (322) is provided on an edge of the floating sleeve frame (423) corresponding to the first electromagnet (321).

3. The segmented floating demoulding mechanism based on high drop products according to claim 1 is characterized in that: The first linkage assembly (5) is provided with a first connecting rod (51) and a second connecting rod (52), one end of the first connecting rod (51) is rotatably connected to the first segmented concave mold (31), one end of the second connecting rod (52) is rotatably connected to the second segmented concave mold (32), a first shaft rod (521) is axially connected between the other end of the first connecting rod (51) and the other end of the second connecting rod (52), a fixed frame (53) in which the fixed mold (3) is sleeved is fixedly connected between the four guide columns (11), a track opening for the first shaft rod (521) to move is opened on the side of the fixed frame (53), and a reset driving member (54) for driving the second segmented concave mold (32) to fit with the first segmented concave mold (31) is provided between the fixed frame (53) and the first frame (1).

4. The segmented floating demoulding mechanism based on high drop products according to claim 3 is characterized in that: The reset drive member (54) is provided with a clamping block (541) slidably clamped on the fixed frame (53); a first movable frame (542) is provided between the fixed frame (53) and the first frame (1); the first movable frame (542) is slidably arranged on the guide column (11); a push rod (543) is provided between the clamping block (541) and the first movable frame (542); two ends of the push rod (543) are rotatably connected to the clamping block (541) and the first movable frame (542), respectively; and a first electromagnetic driver (5421) for driving the first movable frame (542) to move is provided between the first frame (1) and the first movable frame (542).

5. The segmented floating demoulding mechanism based on high drop products according to claim 4 is characterized in that: The clamping block (541) is provided with a pressure sensor (5411) facing the first shaft (521), and a compression spring (5412) is fixedly connected between the pressure sensor (5411) and the clamping block (541).

6. The segmented floating demoulding mechanism based on high drop products according to claim 2 is characterized in that: The second linkage assembly (6) is provided with a third connecting rod (61) and a fourth connecting rod (62), one end of the third connecting rod (61) is rotatably connected to the floating sleeve (423), one end of the fourth connecting rod (62) is rotatably connected to the first segmented punch (41), a second axial rod (621) is axially connected between the other end of the third connecting rod (61) and the other end of the fourth connecting rod (62), a separation driving member (63) is provided between the floating sleeve (423) and the first segmented punch (41) for driving the floating sleeve (423) to move relative to the first segmented punch (41), and an opening and closing driving member (64) is provided on the intermediate rod (411) for driving the plurality of segmented modules (421) to open and close.

7. The segmented floating demoulding mechanism based on high drop products according to claim 6 is characterized in that: The separation driving member (63) is provided with a second movable frame (631), the second movable frame (631) is slidably arranged on the guide column (11), a strip opening for the second shaft rod (621) to move is provided on the side of the second movable frame (631), and a second electromagnetic driver (632) for driving the second movable frame (631) to move is provided between the first segmented convex mold (41) and the second movable frame (631).

8. The segmented floating demoulding mechanism based on high drop products according to claim 6, characterized in that: The opening and closing driving member (64) is provided with a third electromagnet (641) and a fourth electromagnet (642), the third electromagnet (641) and the fourth electromagnet (642) both being annular structures, the third electromagnet (641) and the fourth electromagnet (642) both being sleeved on the middle rod (411), the end where the first segmented convex mold (41) and the second segmented convex mold (42) are in contact is provided with an embedding opening for installing the opening and closing driving member (64), the third electromagnet (641) is fixedly connected to the first segmented convex mold (41), the fourth electromagnet (642) can slide on the middle rod (411) relative to the fourth electromagnet (642), and a linkage rod (6421) is hingedly provided between each segmented module (421) and the fourth electromagnet (642).

9. An injection mold, comprising a first frame (1) and a second frame (2), wherein guide columns (11) are provided between the four corners of the first frame (1) and the second frame (2), and the injection mold further comprises a fixed mold (3) and a movable mold (4), wherein the fixed mold (3) is fixedly arranged on the first frame (1), and the movable mold (4) is slidably arranged on the guide columns (11), the fixed mold (3) is composed of a first segmented concave mold (31) and a second segmented concave mold (32), and the movable mold (4) is composed of a first segmented convex mold (41) and a second segmented convex mold (42), wherein the injection mold is characterized in that: It also includes a segmented floating demoulding mechanism based on a high drop product as described in any one of claims 1 to 8, the demoulding mechanism includes a first linkage component (5) and a second linkage component (6) uniformly distributed around the fixed mold (3) and the movable mold (4), the first linkage component (5) is arranged between the first segmented concave mold (31) and the second segmented concave mold (32), and the second linkage component (6) is arranged between the first segmented punch (41) and the second segmented punch (42).

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