Injection mold capable of realizing continuous injection molding

Abstract

The utility model discloses an injection mold capable of continuous injection molding, which relates to the technical field of injection molds and comprises a base, a gear motor is fixedly mounted in the middle of the upper surface of the base, the output shaft end of the gear motor is fixedly connected with a rotating disc, and mounting plates are circumferentially arrayed on the upper surface of the rotating disc. Mounting frames are symmetrically arranged on the upper surface of the mounting plate, first sliding grooves are formed in one sides of the mounting frames, first lead screws are rotationally connected into the first sliding grooves, molten plastic is injected into the mounting frames, injection molding is completed, and after injection molding is completed, a gear motor drives a rotating disc to rotate, so that the position of a mold is changed. Four groups of molds are arranged, and one group of injection molding, two groups of cooling and one group of demolding are realized, so that injection molding, cooling and demolding are circularly and continuously produced, sustainable injection molding is realized, the injection molding efficiency is improved, and the problem of inconvenience in continuous injection molding is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold capable of continuous injection molding. 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 wide variety of colors, shapes from simple to complex, sizes from large to small, and precise product size. The product is easy to update and can be made into parts with complex shapes. Injection molding is suitable for mass production and molding processing fields such as products with complex shapes. At a certain temperature, the completely molten plastic material is stirred by a screw, injected into the mold cavity with high pressure, and cooled and solidified to obtain a molded product. This method is suitable for mass production of parts with complex shapes and is one of the important processing methods.

[0003] After searching the existing public patent number: CN202021889349.2, the name of the public patent is: an injection mold that can be continuously injection molded, including: an upper mold and a lower mold, the lower mold includes a rotating part and a fixed part, the four corners of the fixed part are fixedly connected with positioning columns, and the upper mold and the positioning columns are slidably connected; a through hole is opened in the middle position of the fixed part, and the rotating part is installed in the through hole through a rotating shaft; the rotating shaft passes through the outer wall of the fixed part and is connected to a handle at one end of the protruding outer wall, forming a structure in which the handle controls the rotation of the rotating part relative to the fixed part; after the injection molding process is cooled, the end with the molding box is rotated to a downward position, and after the finished product is ejected by the ejection device, it is rotated again to the relative position with the upper mold for the next step of injection molding, and the mold is quickly demolded by rotating demolding to achieve continuous injection molding.

[0004] However, during the time when the device is taking out the molded workpiece, the injection molding operation can no longer be performed, which will waste this part of time, make it impossible to perform continuous injection molding, and affect the work efficiency of the injection molding of the workpiece. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides an injection mold capable of continuous injection molding, which solves the problem that continuous injection molding cannot be performed, thus affecting the work efficiency of injection molding of workpieces.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: an injection mold that can perform continuous injection molding, comprising: a base, a reduction motor is fixedly installed at a center position on the upper surface of the base, the output shaft end of the reduction motor is fixedly connected to a rotating disk, a mounting plate is arranged in a circumferential array on the upper surface of the rotating disk, a mounting frame is symmetrically arranged on the upper surface of the mounting plate, a first slide groove is opened on one side of the mounting frame, a first screw rod is rotatably connected in the first slide groove, a first slider is slidably connected in the first slide groove, the first screw rod is threadedly connected to the first slider, a first motor is fixedly installed on the top of the mounting frame, the output shaft end of the first motor is fixedly connected to the first screw rod, an upper mold is fixedly installed between the first sliders on both sides, an injection hole is opened on the top of the upper mold, a lower mold is fixedly installed on the upper surface of the mounting plate, and a demolding hole is opened on the upper surface of the lower mold.

[0009] Preferably, an injection molding component is provided on the upper surface of the base, and the injection molding component includes an injection molding frame, which is fixedly connected to the upper surface of the base, and a second slide groove is opened on one side of the injection molding frame, a second screw rod is rotatably connected in the second slide groove, a second slider is slidably connected in the second slide groove, the second screw rod is threadedly connected to the second slider, a second motor is fixedly installed on the top of the injection molding frame, the output shaft end of the second motor is fixedly connected to the second screw rod, an extension plate is fixedly connected to one side of the second slider, and an injection molding tube is fixedly connected to the bottom of the extension plate.

[0010] Preferably, a first cylinder is fixedly mounted on one side of the injection molding frame, a plug block is fixedly connected to a movable end of the first cylinder, a limiting hole matching the plug block is opened on the surface of the rotating disk, and the limiting holes are arranged in a one-to-one correspondence with the mounting plate.

[0011] Preferably, a stabilizing frame is provided in a circular array on the upper surface of the base, one side of the stabilizing frame is rotatably connected to a stabilizing wheel, and the stabilizing wheel is rotatably connected to the lower surface of the rotating disk.

[0012] Preferably, a demoulding assembly is provided on the base, and the demoulding assembly includes a second cylinder, the second cylinder is fixedly connected to the upper surface of the base, the movable end of the second cylinder is fixedly connected to a push block, a push rod is slidably connected in the demoulding hole, the bottom of the push rod is fixedly connected to an extrusion block, the upper surface of the extrusion block is fixedly connected to a spring, and one end of the spring is fixedly connected to the bottom of the rotating disk.

[0013] Preferably, the injection molding tube and the injection molding hole are matched and arranged, and the injection molding tube and the first motor do not affect each other.

[0014] Preferably, the reduction motor rotates 90 degrees each time, and four groups of mounting plates are provided.

[0015] Beneficial Effects

[0016] The utility model provides an injection mold capable of continuous injection molding, which has at least the following beneficial effects compared with the prior art:

[0017] The injection molding is completed by injecting the melted plastic into the mounting frame. After the injection molding is completed, the reduction motor drives the rotating disk to rotate, thereby changing the position of the mold. Four sets of molds are set up, realizing one set of injection molding, two sets of cooling, and one set of demoulding, so that the injection molding, cooling, and demoulding cycle are continuously produced, realizing sustainable injection molding, improving injection molding efficiency, and solving the problem of inconvenient continuous injection molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the mounting frame of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the injection molding component of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the rotating disk of the utility model;

[0022] Figure 5 It is an enlarged schematic diagram of the structure at point A of the utility model.

[0023] In the figure: 1. base; 2. reduction motor; 3. rotating disk; 4. mounting plate; 5. mounting frame; 6. lower mold; 7. stabilizing frame; 8. demoulding hole; 9. upper mold; 10. limiting hole; 11. injection hole; 12. first slide; 13. first motor; 14. first screw rod; 15. first slider; 16. injection molding assembly; 1601. injection molding frame; 1602. first cylinder; 1603. second slide; 1604. second motor; 1605. second screw rod; 1606. second slider; 1607. extension plate; 1608. injection molding tube; 17. demoulding assembly; 1701. second cylinder; 1702. ejector block; 1703. ejector rod; 1704. extrusion block; 1705. spring; 18. stabilizing wheel. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1:

[0026] See also Figure 1-5 The utility model provides a technical solution: a base 1, a reduction motor 2 is fixedly installed at the center of the upper surface of the base 1, a rotating disk 3 is fixedly connected to the output shaft end of the reduction motor 2, a mounting plate 4 is arranged in a circumferential array on the upper surface of the rotating disk 3, a mounting frame 5 is symmetrically arranged on the upper surface of the mounting plate 4, a first slide groove 12 is provided on one side of the mounting frame 5, a first screw rod 14 is rotatably connected in the first slide groove 12, a first slider 15 is slidably connected in the first slide groove 12, the first screw rod 14 is threadedly connected to the first slider 15, a first motor 13 is fixedly installed on the top of the mounting frame 5, the output shaft end of the first motor 13 is fixedly connected to the first screw rod 14, an upper mold 9 is fixedly installed between the first sliders 15 on both sides, an injection hole 11 is provided on the top of the upper mold 9, a lower mold 6 is fixedly installed on the upper surface of the mounting plate 4, and a demoulding hole 8 is provided on the upper surface of the lower mold 6. The reduction motor 2 rotates 90 degrees each time, and the mounting plate 4 is provided with four groups.

[0027] Analysis of the above content: injection molding is completed by injecting the melted plastic into the mounting frame 5. After the injection molding is completed, the reduction motor 2 drives the rotating disk 3 to rotate, thereby controlling the rotating disk 3 to rotate 90 degrees to perform injection molding on the next group of molds. At this time, the first group of molds is cooled. After the injection molding of the second group is completed, it continues to rotate 90 degrees to perform injection molding on the third group. At this time, the first group and the second group are cooling, and continue to rotate 90 degrees to perform injection molding on the fourth group. At this time, the first group is cooled and demolded to achieve sustainable injection molding and improve injection molding efficiency.

[0028] Embodiment 2:

[0029] See also Figure 1-5 The utility model provides a technical solution based on the first embodiment: an injection molding component 16 is arranged on the upper surface of the base 1, and the injection molding component 16 includes an injection molding frame 1601, and the injection molding frame 1601 is fixedly connected to the upper surface of the base 1, and a second slide groove 1603 is opened on one side of the injection molding frame 1601, and a second screw rod 1605 is rotatably connected in the second slide groove 1603, and a second slider 1606 is slidably connected in the second slide groove 1603, and the second screw rod 1605 is threadedly connected to the second slider 1606, and a second motor 1604 is fixedly installed on the top of the injection molding frame 1601, and the output shaft end of the second motor 1604 is fixedly connected to the second screw rod 1605, and an extension plate 1607 is fixedly connected to one side of the second slider 1606, and an injection molding tube 1608 is fixedly connected to the bottom of the extension plate 1607.

[0030] Analysis of the above content: the second motor 1604 drives the second screw rod 1605 to rotate, so that the second slider 1606 slides up and down along the second slide groove 1603, and the movement of the second slider 1606 drives the injection tube 1608 to move up and down. The injection tube 1608 is used to inject the melted plastic particles into the injection hole 11 to achieve injection molding. The injection tube 1608 is connected to an external device for heating plastic particles. The device for heating plastic particles is a prior art and will not be described here.

[0031] Embodiment three:

[0032] See also Figure 1-5 The utility model provides a technical solution based on the first embodiment: a first cylinder 1602 is fixedly installed on one side of the injection molding frame 1601, and an insert block is fixedly connected to the movable end of the first cylinder 1602. A limiting hole 10 matching the insert block is opened on the surface of the rotating disk 3, and the limiting hole 10 is arranged one-to-one with the mounting plate 4.

[0033] Analysis of the above content: Start the first cylinder 1602 to drive the insert block to move, and insert the insert block into the limiting hole 10 to achieve locking of the rotating disk 3, which is convenient for injection molding and demoulding.

[0034] Embodiment 4:

[0035] See also Figure 1-5 The utility model provides a technical solution based on the first embodiment: a stabilizing frame 7 is arranged in a circular array on the upper surface of the base 1, and a stabilizing wheel 18 is rotatably connected to one side of the stabilizing frame 7, and the stabilizing wheel 18 is rotatably connected to the lower surface of the rotating disk 3.

[0036] Analysis of the above content: The stabilizing frame 7 and the stabilizing wheel 18 cooperate with each other to support the rotating disk 3, thereby ensuring the stability of the rotating disk 3 during rotation.

[0037] Embodiment five:

[0038] See also Figure 1-5 The utility model provides a technical solution based on the first embodiment: a demoulding assembly 17 is arranged on the base 1, and the demoulding assembly 17 includes a second cylinder 1701, the second cylinder 1701 is fixedly connected to the upper surface of the base 1, and the movable end of the second cylinder 1701 is fixedly connected to a top block 1702, and a top rod 1703 is slidably connected in the demoulding hole 8, and an extrusion block 1704 is fixedly connected to the bottom of the top rod 1703, and a spring 1705 is fixedly connected to the upper surface of the extrusion block 1704, and one end of the spring 1705 is fixedly connected to the bottom of the rotating disk 3.

[0039] Analysis of the above content: After the mold is separated, the second cylinder 1701 is started, and the second cylinder 1701 drives the top block 1702 to move upward, and the top block 1702 drives the top rod 1703 to move upward, so as to eject the parts on the mold and realize demolding. After the demolding is completed, the top rod 1703 moves downward under the action of the spring 1705, and the top of the top rod 1703 is flush with the demolding hole 8, which is convenient for the next injection molding. The top rod 1703 and the demolding hole 8 are transitionally matched to prevent the injection molding material from falling from the gap between the top rod 1703 and the demolding hole 8, and the material used by the top rod 1703 is the same as that of the lower mold 6.

[0040] Embodiment six:

[0041] See also Figure 1-5 The utility model provides a technical solution based on the first embodiment: the injection tube 1608 is matched with the injection hole 11, and the injection tube 1608 and the first motor 13 do not affect each other.

[0042] Analysis of the above content: The heated plastic particles are injected into the mold through the injection hole 11 through the injection tube 1608. A controller matching the first motor 13 is provided on the base 1 to ensure that the two corresponding first motors 13 rotate synchronously. The controller and other structures are prior art and will not be described in detail.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection mold capable of continuous injection molding, characterized in that: include: A base (1), a reduction motor (2) is fixedly mounted at a central position on the upper surface of the base (1), a rotating disk (3) is fixedly connected to the output shaft end of the reduction motor (2), a mounting plate (4) is arranged in a circular array on the upper surface of the rotating disk (3), a mounting frame (5) is symmetrically arranged on the upper surface of the mounting plate (4), a first slide groove (12) is opened on one side of the mounting frame (5), a first screw rod (14) is rotatably connected in the first slide groove (12), and a first slide rod (14) is slidably connected in the first slide groove (12). The mounting frame (15) is provided with a first screw rod (14) and a first slider (15) which are threadedly connected to each other. A first motor (13) is fixedly mounted on the top of the mounting frame (5). The output shaft end of the first motor (13) is fixedly connected to the first screw rod (14). An upper mold (9) is fixedly mounted between the first sliders (15) on both sides. An injection hole (11) is provided on the top of the upper mold (9). A lower mold (6) is fixedly mounted on the upper surface of the mounting plate (4). A demoulding hole (8) is provided on the upper surface of the lower mold (6).

2. The continuous injection mold according to claim 1, characterized in that: An injection molding assembly (16) is arranged on the upper surface of the base (1), and the injection molding assembly (16) comprises an injection molding frame (1601), the injection molding frame (1601) is fixedly connected to the upper surface of the base (1), a second slide groove (1603) is provided on one side of the injection molding frame (1601), a second screw rod (1605) is rotatably connected in the second slide groove (1603), a second slider (1606) is slidably connected in the second slide groove (1603), the second screw rod (1605) and the second slider (1606) are threadedly connected, a second motor (1604) is fixedly installed on the top of the injection molding frame (1601), an output shaft end of the second motor (1604) is fixedly connected to the second screw rod (1605), an extension plate (1607) is fixedly connected to one side of the second slider (1606), and an injection molding tube (1608) is fixedly connected to the bottom of the extension plate (1607).

3. The continuous injection mold according to claim 2, characterized in that: A first cylinder (1602) is fixedly mounted on one side of the injection molding frame (1601), and an insert block is fixedly connected to the movable end of the first cylinder (1602). A limiting hole (10) matching the insert block is opened on the surface of the rotating disk (3), and the limiting hole (10) is arranged in a one-to-one correspondence with the mounting plate (4).

4. The continuous injection mold according to claim 1, characterized in that: The upper surface of the base (1) is provided with a stabilizing frame (7) in a circular array, one side of the stabilizing frame (7) is rotatably connected to a stabilizing wheel (18), and the stabilizing wheel (18) is rotatably connected to the lower surface of the rotating disk (3).

5. The continuous injection mold according to claim 1, characterized in that: A demoulding assembly (17) is arranged on the base (1), and the demoulding assembly (17) comprises a second cylinder (1701), the second cylinder (1701) is fixedly connected to the upper surface of the base (1), a push block (1702) is fixedly connected to the movable end of the second cylinder (1701), a push rod (1703) is slidably connected in the demoulding hole (8), an extrusion block (1704) is fixedly connected to the bottom of the push rod (1703), a spring (1705) is fixedly connected to the upper surface of the extrusion block (1704), and one end of the spring (1705) is fixedly connected to the bottom of the rotating disk (3).

6. The continuous injection mold according to claim 3, characterized in that: The injection molding tube (1608) is matched with the injection molding hole (11), and the injection molding tube (1608) and the first motor (13) do not affect each other.

7. The continuous injection mold according to claim 1, characterized in that: The reduction motor (2) rotates 90 degrees each time, and the mounting plates (4) are provided in four groups.

Images