Injection molding part forming mold easy to demold

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to an injection molding part forming mold easy to demold, which comprises a base, a fixed seat, a lower mold seat and an upper mold seat which are fixed at the top end of the fixed seat, and further comprises a blanking mechanism, the rotating cylinder is fixed at the top of the moving seat; the rotating plate is fixed to the output end of the rotating air cylinder; the pneumatic clamping jaw is fixed on the rotating plate; the driving mechanism is connected to the moving seat in a drivable manner and is used for driving the moving seat to be close to or far away from the lower die seat; according to the injection molding device, the formed injection molding part is ejected out of the forming cavity through the material ejecting mechanism, then the discharging mechanism is used for taking down the injection molding part and transferring the injection molding part, manual material taking is not needed, the injection molding part is more convenient to use, the risk of scratching is avoided, the injection molding part can be directly transferred to a conveying line after material taking, the injection molding device is suitable for a machining assembly line, and the machining efficiency is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds, and particularly relates to an injection part forming mold that is easy to demold. Background Art

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a variety of flower patterns and colors, the shape can range from simple to complex, the size can range from large to small, and the product size is accurate, the product is easy to update, and it can form parts with complex shapes. Injection molding is suitable for mass production and molding processing fields of products with complex shapes.

[0003] The parts formed by injection molding are called injection parts. In the prior art, a knockout device is usually arranged in the molding mold to eject the parts and facilitate the demolding of the parts.

[0004] However, for the molding molds of the prior art, although the knockout device is arranged to facilitate the demolding of the parts, the ejected parts need to be manually removed by workers, which is rather inconvenient, and there may be sharp burrs on the injection part blanks, and there is a risk of scratching during manual material taking.

[0005] To solve the above problems, an injection part forming mold that is easy to demold is proposed in this application. Content of the Utility Model

[0006] To solve the above problems existing in the prior art, the utility model provides an injection part forming mold that is easy to demold, which has the characteristics of convenient use, easy demolding and high safety performance.

[0007] To achieve the above object, the utility model provides the following technical solution: An injection part forming mold that is easy to demold, including a base, a fixed seat, a lower mold base fixed to the top of the fixed seat, and an upper mold base. A forming cavity is machined on the lower mold base. The upper mold base is located directly above the lower mold base. A knockout mechanism is arranged in the fixed seat, and a blanking mechanism is further included. The blanking mechanism includes:

[0008] A moving seat, the moving seat is movably connected to the base;

[0009] A rotary cylinder, the rotary cylinder is fixed to the top of the moving seat;

[0010] A rotating plate, the rotating plate is fixed to the output end of the rotary cylinder;

[0011] A pneumatic gripper, the pneumatic gripper is fixed on the rotating plate and used for gripping the injection part;

[0012] A driving mechanism, which is drivably connected to the moving seat and is used to drive the moving seat to approach or move away from the lower die seat.

[0013] As a preferred technical solution of the present utility model, the driving mechanism includes:

[0014] A nut seat, which is fixed to the bottom surface of the moving seat;

[0015] A fixing plate, and two of the fixing plates are fixedly spaced on the top surface of the base;

[0016] A threaded lead screw, which is rotatably installed between the two fixing plates, and the threaded lead screw penetrates through the nut seat and is connected to the nut seat by means of screw thread engagement;

[0017] A driving motor, which is fixed on the fixing plate and is used to drive the threaded lead screw to rotate.

[0018] As a preferred technical solution of the present utility model, the driving mechanism further includes:

[0019] Guide rails, and two of the guide rails are symmetrically fixed on the top surface of the base;

[0020] Sliders, which are fixed to the bottom surface of the moving seat and are slidably matched with the guide rails.

[0021] As a preferred technical solution of the present utility model, it further includes:

[0022] A bottom plate, which is fixed to the top surface of the base, and a fixing seat is fixed to the top surface of the bottom plate;

[0023] Support columns, and four of the support columns are diagonally distributed and fixed to the top surface of the bottom plate;

[0024] A top plate, which is fixed to the top ends of the support columns;

[0025] A hydraulic cylinder, which is fixed to the top surface of the top plate, and the piston rod of the hydraulic cylinder penetrates through the top plate and is fixedly connected to the upper die seat.

[0026] As a preferred technical solution of the present utility model, the ejector mechanism includes:

[0027] A vertical cylinder, and there is an installation groove on the fixing seat, and the vertical cylinder is fixed to the inner bottom surface of the installation groove;

[0028] A lifting plate, which is fixed to the top end of the piston rod of the vertical cylinder;

[0029] The ejector rod is fixed to the top surface of the lifting plate, and there is a through hole on the lower die base for the ejector rod to pass through.

[0030] As a preferred technical solution of the present utility model, four ejector rods are equally spaced along the circumferential direction, and the outer wall of the ejector rod is closely attached to the inner wall of the through hole.

[0031] As a preferred technical solution of the present utility model, the lower die base is fixed to the top end of the fixed seat by bolts.

[0032] As a preferred technical solution of the present utility model, it further includes:

[0033] Positioning blocks, a plurality of the positioning blocks are equally spaced along the circumferential direction and fixed to the bottom end of the lower die base, and a positioning groove for the positioning blocks to be embedded is machined on the top surface of the fixed seat.

[0034] Compared with the prior art, the beneficial effects of the present utility model are:

[0035] In the present utility model, the formed injection molded part is ejected from the forming cavity by the provided ejector mechanism, and then the injection molded part is removed and transferred by the blanking mechanism, without manual material taking, which is more convenient, and avoids the risk of scratching. After taking the material, it can be directly transferred to the conveyor line, which is applicable to the processing assembly line and greatly improves the processing efficiency.

[0036] Some additional advantages and beneficial effects of this application will be given in part in the following description, some will become obvious from the following description, or will be understood through the practice of this application. Description of the Drawings

[0037] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0038] Figure 1 is the structural schematic diagram of the present utility model;

[0039] Figure 2 is the axonometric structural schematic diagram of the blanking mechanism in the present utility model;

[0040] Figure 3 is the sectional structural schematic diagram of the lower die base in the present utility model.

[0041] In the figure: 1, base; 2, bottom plate; 3, support column; 4, top plate; 5, fixed seat; 51, installation groove; 52, positioning groove; 6, lower die base; 61, forming cavity; 62, positioning block; 63, through hole; 7, upper die base; 8, hydraulic cylinder; 9, ejector mechanism; 91, vertical cylinder; 92, lifting plate; 93, ejector rod; 10, blanking mechanism; 101, moving seat; 102, rotary cylinder; 103, rotating plate; 104, pneumatic gripper; 11, driving mechanism; 111, nut seat; 112, fixed plate; 113, threaded lead screw; 114, driving motor; 115, guide rail; 116, slider. Specific embodiments

[0042] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0043] Please refer to Figures 1 - 3 , the present invention provides the following technical solutions: an injection molding part forming mold that is easy to demold, including a base 1, a fixed seat 5, a lower die base 6 fixed to the top end of the fixed seat 5, and an upper die base 7. A forming cavity 61 is machined on the lower die base 6. The upper die base 7 is located directly above the lower die base 6. An ejector mechanism 9 is provided in the fixed seat 5. It further includes a blanking mechanism 10, and the blanking mechanism 10 includes: a moving seat 101, a rotary cylinder 102, a rotating plate 103, a pneumatic gripper 104, and a driving mechanism 11.

[0044] Furthermore, by Figure 1 and Figure 2As shown in the figure, in this embodiment, the moving seat 101 is movably connected to the base 1. The rotary cylinder 102 is fixed to the top of the moving seat 101. The rotating plate 103 is fixed to the output end of the rotary cylinder 102. The pneumatic gripper 104 is fixed on the rotating plate 103 and is used to clamp the injection molded part. The driving mechanism 11 is drivingly connected to the moving seat 101 and is used to drive the moving seat 101 to approach or move away from the lower mold base 6. After adopting the above scheme, during use, the injection molded part is formed in the molding cavity 61. After molding is completed, the upper mold base 7 moves upward away from the lower mold base 6. Then, the injection molded part is ejected from the molding cavity 61 by the ejector mechanism 9. Then, the driving mechanism 11 is started. The driving mechanism 11 drives the moving seat 101 to approach the lower mold base 6, clamps the injection molded part with the pneumatic gripper 104, and then the driving mechanism 11 drives the moving seat 101 to move away from the lower mold base 6 to take out the injection molded part. The utility model ejects the formed injection molded part from the molding cavity 61 through the arranged ejector mechanism 9, and then uses the blanking mechanism 10 to take down the injection molded part and transfer it. There is no need for manual material taking, which is more convenient, and the risk of scratching is avoided. After taking the material, it can be directly transferred to the conveyor line, which is suitable for the processing assembly line and greatly improves the processing efficiency.

[0045] It should be noted that during actual use, a belt conveyor can be arranged on one side of the base 1. After the injection molded part is taken out, the rotary cylinder 102 is started to drive the rotating plate 103 to rotate, so that the injection molded part rotates above the belt conveyor, and the pneumatic gripper 104 is used to place the injection molded part on the belt conveyor for conveying. It is suitable for the processing assembly line and greatly improves the processing efficiency.

[0046] Optionally, by Figure 1 and Figure 2 As shown in the figure, in this embodiment, the driving mechanism 11 includes: a nut seat 111, a fixing plate 112, a threaded screw rod 113, and a driving motor 114. The nut seat 111 is fixed to the bottom surface of the moving seat 101. Two fixing plates 112 are fixedly arranged at intervals on the top surface of the base 1. The threaded screw rod 113 is rotatably installed between the two fixing plates 112, and the threaded screw rod 113 passes through the nut seat 111 and is connected to the nut seat 111 by means of screw thread engagement. The driving motor 114 is fixed on the fixing plate 112 and is used to drive the threaded screw rod 113 to rotate. After adopting the above scheme, during use, the driving motor 114 is started to drive the threaded screw rod 113 to rotate. Under the action of screw thread engagement, the nut seat 111 drives the moving seat 101 to move.

[0047] Preferably, by Figure 1 and Figure 2As shown, in this embodiment, the driving mechanism 11 further includes: a guide rail 115 and a slider 116. The two guide rails 115 are symmetrically fixed to the top surface of the base 1. The slider 116 is fixed to the bottom surface of the moving seat 101 and is slidably engaged with the guide rail 115. After adopting the above solution, when the moving seat 101 moves, it will drive the slider 116 to move along the guide rail 115. The guide rail 115 and the slider 116 support and guide the moving seat 101, improving the stability of the moving seat 101.

[0048] Optionally, Figure 1 As shown, in this embodiment, it further includes: a bottom plate 2, support columns 3, a top plate 4, and a hydraulic cylinder 8. The bottom plate 2 is fixed to the top surface of the base 1. The fixed seat 5 is fixed to the top surface of the bottom plate 2. The four support columns 3 are diagonally distributed and fixed to the top surface of the bottom plate 2. The top plate 4 is fixed to the top ends of the support columns 3. The hydraulic cylinder 8 is fixed to the top surface of the top plate 4, and the piston rod of the hydraulic cylinder 8 passes through the top plate 4 and is fixedly connected to the upper mold base 7. After adopting the above solution, during use, first start the hydraulic cylinder 8, drive the upper mold base 7 to move downward through the hydraulic cylinder 8, so that the upper mold base 7 is closed with the lower mold base 6, and then inject the plastic solution into the molding cavity 61 for molding. After the molding is completed, start the hydraulic cylinder 8, and drive the upper mold base 7 to rise through the hydraulic cylinder 8 to open the mold.

[0049] Optionally, Figure 1 and Figure 3 As shown, in this embodiment, the ejector mechanism 9 includes: a vertical cylinder 91, a lifting plate 92, and an ejector rod 93. There is an installation groove 51 on the fixed seat 5. The vertical cylinder 91 is fixed to the inner bottom surface of the installation groove 51. The lifting plate 92 is fixed to the top end of the piston rod of the vertical cylinder 91. The ejector rod 93 is fixed to the top surface of the lifting plate 92, and there is a through hole 63 on the lower mold base 6 for the ejector rod 93 to pass through. After adopting the above solution, after the mold is opened, start the vertical cylinder 91, push the lifting plate 92 to rise through the vertical cylinder 91, drive the ejector rod 93 to rise by using the lifting plate 92, and eject the injection molded part through the ejector rod 93.

[0050] Preferably, Figure 1 and Figure 3 As shown, in this embodiment, four ejector rods 93 are equally spaced along the circumferential direction, and the outer wall of the ejector rod 93 is closely attached to the inner wall of the through hole 63. After adopting the above design, the injection molded part is ejected by the four ejector rods 93 together, with a large contact area and not easily causing deformation and damage to the injection molded part. Moreover, the outer wall of the ejector rod 93 is closely attached to the inner wall of the through hole 63, preventing the plastic solution from flowing into the through hole 63.

[0051] Optionally, Figure 1 and Figure 3 As shown, in this embodiment, the lower mold base 6 is fixed to the top end of the fixed seat 5 by bolts, which is convenient for installation, has high stability, and is also easy to disassemble and maintain the lower mold base 6.

[0052] Preferably, as shown by Figure 1 and Figure 3 In this embodiment, it further includes: a positioning block 62. A plurality of positioning blocks 62 are evenly distributed at equal intervals in the circumferential direction and fixed to the bottom end of the lower die holder 6. A positioning groove 52 for the positioning block 62 to be embedded is machined on the top surface of the fixed seat 5. After adopting the above design, the installation position of the lower die holder 6 is positioned by the positioning block 62 and the positioning groove 52, ensuring the reliability of the installation position of the lower die holder 6, and further improving the stability of the installation of the lower die holder 6.

[0053] It should be noted that the hydraulic cylinder 8, the vertical cylinder 91, the rotary cylinder 102, the pneumatic gripper 104, and the drive motor 114 are all commercially available conventional devices with built-in power switches. Those skilled in the art can make conventional selections according to the usage needs. Their working principles are common knowledge well-known to those skilled in the art and have been fully disclosed by the prior art, so they will not be elaborated too much herein.

[0054] The circuit connection involved in the present utility model is a conventional means adopted by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, belonging to the prior art widely used.

[0055] The components not described in detail herein are prior art.

[0056] Working principle and usage process of the present utility model: For the molding die of the present utility model, during use, first start the hydraulic cylinder 8, drive the upper die holder 7 to move downward through the hydraulic cylinder 8, and make the upper die holder 7 close the mold with the lower die holder 6. Then inject the plastic solution into the molding cavity 61 for molding;

[0057] After molding is completed, start the hydraulic cylinder 8, drive the upper die holder 7 to rise to open the mold through the hydraulic cylinder 8. After opening the mold, start the vertical cylinder 91, push the lifting plate 92 to rise through the vertical cylinder 91, drive the ejector rod 93 to rise by the lifting plate 92, and eject the injection molded part through the ejector rod 93;

[0058] Then start the drive motor 114 to drive the threaded lead screw 113 to rotate. Under the action of screw thread engagement, the nut seat 111 drives the moving seat 101 to move, making the moving seat 101 approach the lower die holder 6, and clamp the injection molded part by the pneumatic gripper 104;

[0059] After that, start the drive motor 114 to drive the threaded lead screw 113 to rotate in the reverse direction, make the moving seat 101 move away from the lower die holder 6, and take out the injection molded part;

[0060] In the present utility model, the ejector mechanism 9 is provided to eject the molded injection molded part out of the molding cavity 61. Then, the blanking mechanism 10 is used to remove the injection molded part and transfer it. There is no need for manual material taking, which is more convenient and avoids the risk of scratching. After material taking, it can be directly transferred to the conveyor line, which is applicable to the processing assembly line and greatly improves the processing efficiency.

[0061] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An injection molding mold that is easy to demould, comprising a base (1), a fixed base (5), a lower mold base (6) fixed to the top of the fixed base (5), and an upper mold base (7), wherein a molding cavity (61) is processed on the lower mold base (6), the upper mold base (7) is located directly above the lower mold base (6), and a material ejection mechanism (9) is provided in the fixed base (5), characterized in that: The invention also comprises a material unloading mechanism (10), and the material unloading mechanism (10) comprises: A movable seat (101), the movable seat (101) being movably connected to the base (1); A rotating cylinder (102), wherein the rotating cylinder (102) is fixed to the top of the moving seat (101); A rotating plate (103), wherein the rotating plate (103) is fixed to an output end of the rotating cylinder (102); A pneumatic clamp (104), the pneumatic clamp (104) being fixed on the rotating plate (103) and used for clamping the injection molded part; A driving mechanism (11), wherein the driving mechanism (11) is drivably connected to the movable seat (101) and is used to drive the movable seat (101) to move closer to or away from the lower die seat (6).

2. The easy-to-demold injection molding mold according to claim 1, characterized in that: The driving mechanism (11) comprises: A nut seat (111), wherein the nut seat (111) is fixed to the bottom surface of the movable seat (101); A fixing plate (112), wherein two fixing plates (112) are fixed to the top surface of the base (1) at intervals; A threaded screw (113), wherein the threaded screw (113) is rotatably mounted between the two fixing plates (112), and the threaded screw (113) passes through the nut seat (111) and is connected to the nut seat (111) by means of a threaded engagement; A driving motor (114), wherein the driving motor (114) is fixed on the fixing plate (112) and is used to drive the threaded screw (113) to rotate.

3. The easy-to-demold injection molding mold according to claim 1, characterized in that: The driving mechanism (11) further comprises: Guide rails (115), two guide rails (115) are symmetrically fixed to the top surface of the base (1); A sliding block (116), wherein the sliding block (116) is fixed to the bottom surface of the movable seat (101) and is slidably matched with the guide rail (115).

4. The easy-to-demold injection molding mold according to claim 1, characterized in that: Also includes: A bottom plate (2), the bottom plate (2) being fixed to the top surface of the base (1), and the fixing seat (5) being fixed to the top surface of the bottom plate (2); Support columns (3), four of the support columns (3) are diagonally distributed and fixed to the top surface of the bottom plate (2); A top plate (4), the top plate (4) being fixed to the top end of the support column (3); A hydraulic cylinder (8), wherein the hydraulic cylinder (8) is fixed to the top surface of the top plate (4), and a piston rod of the hydraulic cylinder (8) passes through the top plate (4) and is fixedly connected to the upper die seat (7).

5. The easy-to-demold injection molding mold according to claim 1, characterized in that: The ejecting mechanism (9) comprises: A vertical cylinder (91) having a mounting groove (51) on the fixing seat (5), wherein the vertical cylinder (91) is fixed to the inner bottom surface of the mounting groove (51); A lifting plate (92), wherein the lifting plate (92) is fixed to the top end of the piston rod of the vertical cylinder (91); A ejector rod (93) is fixed to the top surface of the lifting plate (92), and a through hole (63) is provided on the lower die base (6) for the ejector rod (93) to pass through.

6. The easy-to-demold injection molding mold according to claim 5, characterized in that: Four ejector rods (93) are evenly spaced along the circumferential direction, and the outer walls of the ejector rods (93) are tightly fitted to the inner wall of the through hole (63).

7. The easy-to-demold injection molding mold according to claim 1, characterized in that: The lower die seat (6) is fixed to the top end of the fixing seat (5) by means of bolts.

8. The easy-to-demold injection molding mold according to claim 7, characterized in that: Also includes: A plurality of positioning blocks (62) are evenly spaced along the circumferential direction and fixed to the bottom end of the lower die seat (6), and a positioning groove (52) for the positioning block (62) to be embedded is processed on the top surface of the fixed seat (5).

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