Mold core-pulling mechanism

Abstract

The utility model discloses a mold core-pulling mechanism which can be suitable for injection molding of different molds, guarantees the injection molding quality of the molds and improves the working efficiency, the structure is named as the mold core-pulling mechanism, and a plurality of guide columns in the mold core-pulling mechanism are matched with a plurality of positioning holes. The die-casting frame and the locking frame are positioned and fixed, the accuracy of die assembly injection molding can be effectively guaranteed, the production quality is guaranteed, meanwhile, injection molding is conducted on two sets of internal model injection molding plates through an injection molding opening in the upper end of the locking frame and two sets of injection molding pipelines, and the production efficiency is improved. And meanwhile, the two sets of die-casting oil cylinders and the two sets of adjusters are driven to adjust the appearance of the injection mold through the two sets of die-casting rods and the two sets of die-casting blocks, and the working efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mold structures, in particular to a mold core pulling mechanism. Background Art

[0002] Moulds play an important role in the construction of my country's national economy. In telecommunications, automobiles, motorcycles, motors, electrical appliances, home appliances, building materials and other products, 70-90% of the parts rely on mould forming. At present, some plastic parts are relatively complex and require specific machines and equipment for injection molding. Different equipment must be customized for different models and sizes, which makes the production cost high. In addition, the core pulling mechanism will cause the position of the core pulling hole to deviate due to the repeated insertion of the movable core and the fixed core, resulting in the core pulling being stuck. In addition, the core pulling movement stroke is relatively long, resulting in insufficient stability during the movement of the core pulling, and the length of the core pulling is also relatively long, resulting in relatively weak structural strength of the core pulling, which is easy to deform, making the product quality unstable and thus affecting work efficiency. Utility Model Content

[0003] In order to achieve the above-mentioned purpose, the embodiment of the utility model provides a mold core pulling mechanism, comprising

[0004] An assembly component, wherein the assembly component is fixedly arranged at the lower end of the core pulling mechanism body;

[0005] A core-pulling component, which is movably arranged on the upper end of the assembly component;

[0006] A forming component, wherein the forming component is movably arranged inside the assembly component;

[0007] A die-casting component, wherein the die-casting component is movably disposed on the top of the molding component;

[0008] A placing component is fixedly arranged inside the molding component, wherein:

[0009] The assembly component can provide a fixing and installation space for the core pulling mechanism body, the model to be injected is placed inside through the placement component, injection molding is performed through the molding component and the die-casting component, and then demolding is performed through the core pulling component.

[0010] Furthermore, the assembly components include:

[0011] An assembly base, the assembly base is fixedly arranged at the lower end of the core pulling mechanism body;

[0012] Fixed frames, two sets of fixed frames are mirror-image-fixedly arranged on the upper end of the assembly base;

[0013] The two groups of controllers are mirror-imaged and fixed at two ends of the two groups of fixed frames.

[0014] Furthermore, the core-pulling component comprises:

[0015] Hydraulic cylinders, two groups of hydraulic cylinders are fixedly arranged at both ends of the assembly base in mirror images;

[0016] Hydraulic rods, two groups of hydraulic rods are mirror-image-movably arranged at the front ends of the two groups of hydraulic cylinders;

[0017] Pushing blocks, two groups of pushing blocks are fixedly arranged at the front ends of the two groups of hydraulic rods in mirror images;

[0018] A movable plate, the movable plate is fixedly arranged on the upper ends of the two groups of hydraulic cylinders;

[0019] An ejector plate, the ejector plate being movably arranged at the upper ends of the two groups of movable plates;

[0020] Ejector holes, a plurality of said ejector holes being arranged inside said ejector plate;

[0021] Ejectors, a plurality of said ejectors pass through said ejector holes and are movably arranged on the upper end of said ejector plate.

[0022] Furthermore, the molding component comprises:

[0023] A mold clamping controller, the mold clamping controller is fixedly arranged at both ends of the two sets of fixed frames;

[0024] A forming frame, the forming frame is movably arranged on the upper ends of the two groups of fixed frames;

[0025] A lower cavity, the lower cavity being opened inside the molding frame;

[0026] A driving pipeline is fixedly arranged at the rear end of the forming frame and connected to the mold clamping controller.

[0027] Furthermore, the die-cast component comprises:

[0028] A die-casting frame, the die-casting frame being movably disposed on the upper end of the molding frame;

[0029] Die-casting oil cylinders, two sets of die-casting oil cylinders are fixedly arranged at both ends of the die-casting frame in mirror images;

[0030] Die-casting rods, two groups of die-casting rods are mirror-image-movably arranged at the front ends of the two groups of die-casting cylinders;

[0031] Die-casting blocks, two groups of die-casting blocks are mirror-image-shaped and movablely arranged inside the die-casting frame;

[0032] A locking component is movably arranged on the upper end of the die-casting frame.

[0033] Furthermore, the locking component comprises:

[0034] A locking frame, the locking frame being movably disposed on the upper end of the die-casting frame;

[0035] Locking grooves, two sets of locking grooves are mirror-imaged and disposed at both ends of the forming frame;

[0036] Locking blocks, wherein two groups of the locking blocks are fixedly disposed at both ends of the locking frame in mirror image and the two groups of the locking blocks match the two groups of the locking grooves;

[0037] An injection port, the injection port being opened at the top of the locking frame;

[0038] Injection molding pipes, two groups of the injection molding pipes pass through the locking frame, the molding frame and the die-casting frame and one end is connected to the injection molding port;

[0039] Adjusters, two groups of adjusters are movably arranged inside the upper end of the locking frame.

[0040] Furthermore, the placement component includes:

[0041] A model injection molding plate, the model injection molding plate is movably arranged inside the lower mold cavity;

[0042] Limit blocks, two groups of limit blocks are mirror-imaged and fixedly arranged at two ends of the inner side of the forming frame;

[0043] Limiting grooves, wherein two groups of limiting grooves are mirror-imaged and arranged on both sides of the two groups of die-casting blocks;

[0044] A positioning component is fixedly arranged on the upper end of the assembly base.

[0045] Furthermore, the positioning component includes:

[0046] Guide pillars, a plurality of guide pillars are fixedly disposed on the upper end of the assembly base in a mirror-image manner;

[0047] Positioning holes, a plurality of the positioning holes are opened inside the forming frame, the die-casting frame and the locking frame, and a plurality of the guide pillars match the plurality of the positioning holes.

[0048] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0049] When the mold core pulling mechanism is in use, the staff can select a suitable mold to place inside the lower mold cavity, and replace the two groups of die-casting blocks at the upper end at the same time, and position and fix the die-casting frame and the locking frame by matching the guide pillars with the positioning holes, which can effectively ensure the accuracy of mold closing and injection molding, and ensure the production quality. At the same time, the two groups of model injection molding plates inside are injected through the injection port at the upper end of the locking frame and the two groups of injection molding pipes, and the two groups of die-casting cylinders and the two groups of adjusters are driven to adjust the shape of the injection mold through the two groups of die-casting rods and the two groups of die-casting blocks, which can effectively improve the work efficiency. After the injection molding is completed, the two groups of hydraulic cylinders and the two groups of hydraulic rods can be driven by the controller and the driving pipeline to push the ejector plate, and drive the ejectors to pass through the ejector holes to pull the core of the mold, which can greatly improve the mold quality and work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0051] Figure 1 An axonometric view of the utility model is shown;

[0052] Figure 2 An axonometric expansion diagram of the utility model is shown;

[0053] Figure 3 Shows a front view of the utility model;

[0054] Figure 4 Shown is a left side view of the present invention.

[0055] In the figure:

[0056] 1. The main body of the core pulling mechanism;

[0057] 2. Assembling parts; 21. Assembling base; 22. Fixing frame; 23. Controller;

[0058] 3. Core pulling component; 31. Hydraulic cylinder; 32. Hydraulic rod; 33. Push block;

[0059] 34. movable plate; 35. ejector plate; 36. ejector hole; 37. ejector;

[0060] 4. Molding components; 41. Mold clamping controller; 42. Molding frame; 43. Lower cavity;

[0061] 44. Driving pipeline;

[0062] 5. Die-cast parts; 51. Die-cast frame; 52. Die-cast cylinder; 53. Die-cast rod; 54. Die-cast block;

[0063] 6. Place components; 61. Model injection molding plate; 62. Limit block; 63. Limit groove;

[0064] 7. Locking component; 71. Locking frame; 72. Locking groove; 73. Locking block; 74. Injection port;

[0065] 75. Injection molding pipe; 76. Regulator;

[0066] 8. Positioning component; 81. Guide column; 82. Positioning hole. DETAILED DESCRIPTION

[0067] Now the utility model is further described in detail with reference to the accompanying drawings. Figure 1 , Figure 1 Shows an axonometric view of the present invention; see Figure 2 , Figure 2 Shows an axonometric expansion diagram of the present invention; see Figure 3 , Figure 3 Shows a front view of the utility model; see Figure 4 , Figure 4 Shows a left view of the utility model; Figure 1-4 As shown, a mold core pulling mechanism includes

[0068] An assembly component 2, wherein the assembly component 2 is fixedly arranged at the lower end of the core pulling mechanism body 1;

[0069] A core-pulling component 3, wherein the core-pulling component 3 is movably arranged at the upper end of the assembling component 2;

[0070] A forming component 4, wherein the forming component 4 is movably arranged inside the assembling component 2;

[0071] A die-casting component 5, wherein the die-casting component 5 is movably arranged at the top of the molding component 4;

[0072] A placing component 6, wherein the placing component 6 is fixedly disposed inside the forming component 4;

[0073] The assembly component 2 can provide a space for fixing and installing the core pulling mechanism body 1, and the model to be injected is placed inside through the placement component 6, and the mold is injected through the molding component 4 and the die-casting component 5, and then the demolding operation is performed through the core pulling component 3;

[0074] When the mold core pulling mechanism is used, the staff can select a suitable mold to place inside the lower mold cavity 43, and replace the two groups of die-casting blocks 54 at the upper end at the same time. The die-casting frame 51 and the locking frame 71 are positioned and fixed by matching the guide pillars 81 with the positioning holes 82, which can effectively ensure the accuracy of mold clamping and injection molding, and ensure production quality. At the same time, the two groups of model injection plates 61 inside are injected through the injection port 74 at the upper end of the locking frame 71 and the two groups of injection pipes 75. Simultaneously driving the two groups of the die-casting cylinders 52 and the two groups of the adjusters 76 to adjust the shape of the injection mold through the two groups of the die-casting rods 53 and the two groups of the die-casting blocks 54 can effectively improve the work efficiency. After the injection molding is completed, the two groups of the hydraulic cylinders 31 and the two groups of the hydraulic rods 32 can be driven by the controller 23 and the driving pipeline 44 to push the ejector plate 35, driving a number of the ejectors 37 to pass through a number of the ejector holes 36 to perform core pulling and demolding of the mold, which can greatly improve the mold quality while improving the work efficiency.

[0075] Optionally, the assembly component 2 includes:

[0076] An assembly base 21, wherein the assembly base 21 is fixedly disposed at the lower end of the core pulling mechanism body 1;

[0077] Fixed frames 22, two sets of fixed frames 22 are mirror-image-fixedly disposed on the upper end of the assembly base 21;

[0078] The controller 23, the two groups of the controller 23 are mirror-fixed at both ends of the two groups of the fixed frames 22, and the assembly base 21 can provide a fixing and installation space for the two groups of the fixed frames 22 and the two groups of the controllers 23, and the core-pulling component 3 is controlled by the two groups of the controllers 23 at the same time.

[0079] Optionally, the core-pulling component 3 includes:

[0080] Hydraulic cylinders 31, two groups of hydraulic cylinders 31 are mirror-imaged and fixedly disposed at both ends of the assembly base 21;

[0081] Hydraulic rods 32, two groups of hydraulic rods 32 are mirror-image-shaped and movably arranged at the front ends of the two groups of hydraulic cylinders 31;

[0082] Pushing blocks 33, two groups of pushing blocks 33 are fixedly disposed at the front ends of the two groups of hydraulic rods 32 in mirror images;

[0083] A movable plate 34, wherein the movable plate 34 is fixedly arranged at the upper ends of the two groups of hydraulic cylinders 31;

[0084] An ejector plate 35, the ejector plate 35 is movably disposed at the upper ends of the two groups of movable plates 34;

[0085] Ejector holes 36, a plurality of said ejector holes 36 are provided inside said ejector plate 35;

[0086] Ejector pins 37, a plurality of said ejector pins 37 are movably arranged on the upper end of said ejector plate 35 through said ejector pin holes 36, a plurality of said ejector pins 37 are matched with a plurality of said ejector pin holes 36, and two groups of said hydraulic cylinders 31 are used to drive two groups of said push blocks 33 and said movable plate 34 to perform lifting and lowering activities. A plurality of said ejector pins 37 are passed through said ejector plate 35 to perform core pulling and demoulding of the mold.

[0087] Optionally, the molding component 4 includes:

[0088] A mold clamping controller 41, wherein the mold clamping controller 41 is fixedly disposed at both ends of the two sets of fixed frames 22;

[0089] A forming frame 42, wherein the forming frame 42 is movably disposed at the upper ends of the two sets of fixed frames 22;

[0090] A lower cavity 43, wherein the lower cavity 43 is disposed inside the molding frame 42;

[0091] The driving pipeline 44 is fixedly arranged at the rear end of the molding frame 42 and connected to the mold clamping controller 41. The molding frame 42 can provide a fixed and open space for the mold clamping controller 41 and the lower cavity 43. The die-casting component 5 and the locking component 7 are controlled and driven by the mold clamping controller 41 and the driving pipeline 44 to perform die-casting mold clamping.

[0092] Optionally, the die-casting component 5 includes:

[0093] A die-casting frame 51, wherein the die-casting frame 51 is movably disposed on the upper end of the molding frame 42;

[0094] Die-casting cylinders 52, two sets of die-casting cylinders 52 are fixedly disposed at both ends of the die-casting frame 51 in mirror image;

[0095] Die-casting rods 53, two groups of die-casting rods 53 are mirror-image-movably arranged at the front ends of the two groups of die-casting cylinders 52;

[0096] Die-casting blocks 54, two groups of die-casting blocks 54 are mirror-image-shaped and movably arranged inside the die-casting frame 51;

[0097] The locking component 7 is movably arranged at the upper end of the die-casting frame 51, and the die-casting frame 51 can provide installation and activity space for the two groups of the die-casting cylinders 52. The two groups of the die-casting cylinders 52 drive the two groups of the die-casting rods 53 and the two groups of the die-casting blocks 54 to perform die-casting on the internal mold.

[0098] Optionally, the locking component 7 includes:

[0099] A locking frame 71, wherein the locking frame 71 is movably disposed at the upper end of the die-casting frame 51;

[0100] Locking grooves 72, two sets of locking grooves 72 are mirror-imaged and disposed at both ends of the molding frame 42;

[0101] Locking blocks 73, two groups of the locking blocks 73 are fixedly disposed at both ends of the locking frame 71 in a mirror-image manner and the two groups of the locking blocks 73 match the two groups of the locking grooves 72;

[0102] An injection port 74, the injection port 74 being opened at the top of the locking frame 71;

[0103] Injection molding pipes 75, two groups of the injection molding pipes 75 pass through the locking frame 71, the molding frame 42 and the die-casting frame 51 and one end is connected to the injection molding port 74;

[0104] Adjuster 76, two groups of the adjusters 76 are movably arranged inside the upper end of the locking frame 71, and the locking frame 71 can provide space for opening and installing the two groups of locking blocks 73 and the injection port 74. The internal mold is injected through the injection port 74 at the upper end and the two groups of injection pipes 75. At the same time, the two groups of locking grooves 72 and the two groups of locking blocks 73 enable the locking frame 71 and the molding frame 42 to be tightly molded.

[0105] Optionally, the placing component 6 includes:

[0106] A mold injection plate 61, wherein the mold injection plate 61 is movably disposed inside the lower mold cavity 43;

[0107] Limiting blocks 62, two sets of the limiting blocks 62 are mirror-image-fixedly disposed at both ends of the inner side of the forming frame 42;

[0108] Limiting grooves 63, two groups of limiting grooves 63 are mirror-imaged and disposed on both sides of the two groups of die-casting blocks 54;

[0109] The positioning component 8 is fixedly arranged on the upper end of the assembly base 21. The two groups of limit blocks 62 and the two groups of limit grooves 63 enable the model injection plate 61 to be fixedly arranged inside the molding frame 42 and can be replaced according to different mold models and sizes.

[0110] Optionally, the positioning component 8 includes:

[0111] Guide pillars 81, a plurality of guide pillars 81 are fixedly disposed on the upper end of the assembly base 21 in a mirror-image manner;

[0112] Positioning holes 82, a plurality of the positioning holes 82 are opened inside the molding frame 42, the die-casting frame 51 and the locking frame 71, and a plurality of the guide pillars 81 are matched with a plurality of the positioning holes 82, and a plurality of the guide pillars 81 can make the molding frame 42 and the die-casting frame 51 fit together to prevent misalignment.

[0113] Working principle: When the mold core pulling mechanism is used, in the first step, the staff can select the required model injection plate 61 and place it inside the lower mold cavity 43, and replace the two groups of die-casting blocks 54 at the upper end, and match the guide pillars 81 with the positioning holes 82 to position and fix the die-casting frame 51 and the locking frame 71. In the second step, the two groups of models inside are fixed by the injection port 74 at the upper end of the locking frame 71 and the two groups of injection pipes 75. The injection plate 61 performs injection molding. In the third step, the two groups of the die-casting cylinders 52 and the two groups of the adjusters 76 are driven simultaneously to adjust the shape of the injection mold through the two groups of the die-casting rods 53 and the two groups of the die-casting blocks 54. In the fourth step, after the injection molding is completed, the two groups of the hydraulic cylinders 31 and the two groups of the hydraulic rods 32 can be driven by the controller 23 and the driving pipeline 44 to push the ejector plate 35, driving a plurality of the ejector pins 37 to pass through a plurality of the ejector pin holes 36 to perform core pulling and demolding of the mold.

Claims

1. A mold core pulling mechanism, characterized in that: include An assembly component (2), wherein the assembly component (2) is fixedly arranged at the lower end of the core-pulling mechanism body (1); A core-pulling component (3), wherein the core-pulling component (3) is movably arranged on the upper end of the assembling component (2); A forming component (4), wherein the forming component (4) is movably arranged inside the assembly component (2); A die-casting component (5), wherein the die-casting component (5) is movably arranged on the top of the molding component (4); A placing component (6), wherein the placing component (6) is fixedly arranged inside the forming component (4), wherein: The assembly component (2) can provide a space for fixing and installing the core-pulling mechanism body (1); the model to be injected is placed inside through the placement component (6); the mold is injected through the molding component (4) and the die-casting component (5); and then the core-pulling component (3) is used to perform demoulding.

2. A mold core pulling mechanism according to claim 1, characterized in that: The assembly component (2) comprises: An assembly base (21), the assembly base (21) being fixedly arranged at the lower end of the core-pulling mechanism body (1); Fixed frames (22), two sets of the fixed frames (22) are mirror-image-fixedly arranged on the upper end of the assembly base (21); The controllers (23) are mirror-image-fixedly arranged at two ends of the two sets of fixed frames (22).

3. A mold core pulling mechanism according to claim 2, characterized in that: The core-pulling component (3) comprises: Hydraulic cylinders (31), two groups of hydraulic cylinders (31) are fixedly arranged at two ends of the assembly base (21) in a mirror-image manner; Hydraulic rods (32), two groups of hydraulic rods (32) are arranged in a mirror-like manner at the front ends of the two groups of hydraulic cylinders (31); Pushing blocks (33), wherein two groups of pushing blocks (33) are fixedly arranged at the front ends of the two groups of hydraulic rods (32) in a mirror-like manner; A movable plate (34), the movable plate (34) being fixedly arranged on the upper ends of the two groups of hydraulic cylinders (31); An ejector plate (35), the ejector plate (35) being movably arranged on the upper ends of the two groups of movable plates (34); Ejector holes (36), a plurality of said ejector holes (36) are provided inside said ejector plate (35); Ejectors (37), a plurality of ejectors (37) pass through the ejector holes (36) and are movably arranged on the upper end of the ejector plate (35).

4. A mold core pulling mechanism as claimed in claim 3, characterized in that: The molding component (4) comprises: A mold clamping controller (41), the mold clamping controller (41) being fixedly arranged at both ends of the two sets of fixed frames (22); A forming frame (42), the forming frame (42) being movably arranged on the upper ends of the two groups of fixed frames (22); A lower mold cavity (43), wherein the lower mold cavity (43) is opened inside the molding frame (42); A driving pipeline (44), wherein the driving pipeline (44) is fixedly arranged at the rear end of the molding frame (42) and connected to the mold clamping controller (41).

5. A mold core pulling mechanism according to claim 4, characterized in that: The die-cast component (5) comprises: A die-casting frame (51), wherein the die-casting frame (51) is movably arranged on the upper end of the molding frame (42); Die-casting oil cylinders (52), two groups of die-casting oil cylinders (52) are fixedly arranged at two ends of the die-casting frame (51) in a mirror-image manner; Die-casting rods (53), two groups of die-casting rods (53) are movably arranged at the front ends of the two groups of die-casting oil cylinders (52) in a mirror-like manner; Die-casting blocks (54), two groups of die-casting blocks (54) are arranged in a mirror-like manner inside the die-casting frame (51); A locking component (7), wherein the locking component (7) is movably arranged at the upper end of the die-casting frame (51).

6. A mold core pulling mechanism according to claim 5, characterized in that: The locking component (7) comprises: A locking frame (71), the locking frame (71) being movably arranged on the upper end of the die-casting frame (51); Locking grooves (72), two sets of locking grooves (72) are mirror-imaged and arranged at two ends of the forming frame (42); Locking blocks (73), two groups of the locking blocks (73) are fixedly arranged at two ends of the locking frame (71) in a mirror-image manner, and the two groups of the locking blocks (73) match the two groups of the locking grooves (72); An injection port (74), the injection port (74) being opened at the top end of the locking frame (71); Injection molding pipes (75), two groups of the injection molding pipes (75) pass through the locking frame (71), the molding frame (42) and the die-casting frame (51) and one end of the injection molding pipes is connected to the injection molding port (74); Adjusters (76), two groups of adjusters (76) are movably arranged inside the upper end of the locking frame (71).

7. A mold core pulling mechanism according to claim 6, characterized in that: The placing component (6) comprises: A model injection molding plate (61), wherein the model injection molding plate (61) is movably disposed inside the lower mold cavity (43); Limit blocks (62), two groups of the limit blocks (62) are fixedly arranged in a mirror-image manner at two ends of the inner side of the forming frame (42); Limiting grooves (63), wherein two groups of the limiting grooves (63) are mirror-imaged and arranged on both sides of the two groups of the die-casting blocks (54); A positioning component (8), wherein the positioning component (8) is fixedly arranged on the upper end of the assembly base (21).

8. A mold core pulling mechanism according to claim 7, characterized in that: The positioning component (8) comprises: A guide column (81), wherein a plurality of the guide columns (81) are fixedly disposed in a mirror-image manner on the upper end of the assembly base (21); Positioning holes (82), a plurality of the positioning holes (82) are opened inside the molding frame (42), the die-casting frame (51) and the locking frame (71), and a plurality of the guide pillars (81) match the plurality of the positioning holes (82).

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