Central turret type multicolor multi-material vertical injection molding machine with multiplied cooling stations

Abstract

The utility model relates to the technical field of vertical injection molding machines, in particular to a central turret type multi-color multi-material vertical injection molding machine with multiplied cooling stations, which comprises a machine body, an injection molding turntable, an injection molding station I, an injection molding station II and a mold structure, and the outer side of the machine body is provided with the cooling stations which rotate circumferentially and are used for clamping and arranging the mold structure; a delivery structure is arranged between the cooling station and the injection molding station and comprises a finger air cylinder moving in the vertical direction and the horizontal direction, and the finger air cylinder conducts reciprocating delivery between the cooling station and the injection molding station. The delivery structure is arranged between the injection molding station and the cooling station, a linear module, a servo motor and a threaded rod of the delivery structure are matched to achieve transmission of a finger air cylinder in the horizontal direction and the vertical direction, so that transmission of a mold structure between the injection molding station and the cooling station is achieved, and due to intermittent rotation of the cooling station, the cooling time is effectively prolonged; the cooling effect can be effectively improved, and the machining efficiency is guaranteed.

Description

Technical Field

[0001] The present application relates to the technical field of vertical injection molding machines, and in particular to a central turret-type multi-color and multi-material vertical injection molding machine with multiplied cooling stations. Background Art

[0002] With the booming development of modern manufacturing, plastic products are increasingly used in numerous fields, and demand is constantly increasing. Multi-color, multi-material injection molding, an advanced manufacturing process capable of creating a variety of colors and material combinations within a single plastic product, has emerged and rapidly developed. This technology enables the creation of products with rich color gradations and the integration of diverse material properties, such as automotive interiors with colorful decorative strips (combining plastics of different colors with soft materials) and consumer electronics housings with multiple functional areas and varying colors (e.g., integrating hard, wear-resistant plastic with a tactile, rubber-like material through multi-color, multi-material injection molding). This process significantly enhances product design flexibility, increases product added value, and satisfies the market's strong demand for personalized, high-quality plastic products.

[0003] In existing multi-color, multi-material injection molding machines, especially traditional turret-type machines, cooling stations are typically limited in number and conventional in design. Generally speaking, after each injection cycle, the product needs to be cooled in a limited number of cooling stations, which often only provide basic cooling capacity. For example, some common turret-type machines may only have two or three cooling stations, each relying primarily on simple air or water cooling, resulting in relatively slow cooling rates.

[0004] For example, this application Figure 5 , the green and pink parts need to be injection molded separately. During the injection molding process, the inner mold must first be placed in the injection mold of the green material to perform the injection molding of the green part. After completion, it is placed in the injection mold of the pink material to complete the injection molding of the pink part. In order to ensure that there is a clear boundary between each other, cooling is required after the green injection molding is completed. Most of the existing cooling is carried out directly at the injection molding station. To ensure the processing effect, sufficient cooling time is required, and sufficient cooling time will reduce the production speed, and the devices cannot reach a balance with each other. Therefore, in order to solve the above problems, the present application provides a central turret multi-color multi-material vertical injection molding machine with a doubled cooling station. Utility Model Content

[0005] In order to solve the problem that existing multi-color injection molding machines cannot achieve balance with each other, resulting in low production efficiency, the present application provides a central turret multi-color and multi-material vertical injection molding machine with doubled cooling stations.

[0006] The present application provides a central turret-type multi-color, multi-material vertical injection molding machine with multiple cooling stations, comprising a machine body integrated with a control system, a transmission system, and a hydraulic system. An injection molding turntable is rotatably provided at the top center of the machine body, and injection molding stations 1 and 2 are symmetrically provided on both sides of the injection molding turntable. A mold structure is provided on the injection molding station, and a cooling station is provided on the outer side of the machine body for rotating in a circular manner and clamping and placing the mold structure.

[0007] A transfer mechanism is located between the cooling and injection molding stations. The transfer mechanism includes finger cylinders that move vertically and horizontally. The finger cylinders grip the mold structure, and the transfer mechanism allows it to transfer the mold structure back and forth between the cooling and injection molding stations. By placing the cooling station outside the machine body and the transfer mechanism between the two stations, the horizontal and vertical displacement of the finger cylinders within the transfer mechanism allows the mold structure to be transferred between the cooling and injection molding stations. This allows for extended cooling without disrupting the normal injection molding process, enhancing the device's practicality.

[0008] Preferably, the cooling station includes a cooling turntable and a ring-shaped array of support seats on the cooling turntable, and the support seats rotate circumferentially.

[0009] Preferably, the delivery structure includes a linear module arranged in a horizontal direction, the output end of the linear module is transmission-connected to a robotic arm, the robotic arm includes a slider displaced in a vertical direction, and one side of the slider is fixedly connected to the finger cylinder.

[0010] Preferably, the robotic arm also includes a bracket fixedly connected to the output end of the linear module, a servo motor is fixedly connected to one side of the bracket by bolts, and a guide rail is fixedly connected to the other side of the bracket by bolts, the slider is slidably embedded in the guide rail, and the inner side of the slider is threadedly connected to the threaded rod, and the top of the threaded rod is connected to the servo motor through a transmission assembly.

[0011] Preferably, a door frame is provided on the outer side of the linear module, and the linear module is fixedly connected to the machine body through the door frame.

[0012] Preferably, the mold structure includes a longitudinal beam and a transverse beam forming a T-shaped structure, the top of the longitudinal beam is fixedly connected with a clamping block by bolts, and an inner bracket is welded on a side of the transverse beam away from the longitudinal beam.

[0013] In summary, this application has the following beneficial technical effects:

[0014] By setting up a delivery structure between the injection molding station and the cooling station, using the linear module of the delivery structure to realize the horizontal transmission of the finger cylinder, and using the servo motor and threaded rod of the delivery structure to realize the vertical transmission of the finger cylinder, the mold structure is transferred between the injection molding station and the cooling station. The intermittent rotation of the cooling station effectively increases the cooling time without affecting the injection molding progress of the device. Compared with the existing technology of directly setting up a cooling structure between the injection molding stations, it can effectively improve the cooling effect and ensure the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an isometric drawing in Example 1 of the present application;

[0016] Figure 2 This is a structural diagram of the cooling station in Example 1 of the present application;

[0017] Figure 3 This is a diagram showing the overall structure of the robotic arm in Example 1 of the present application;

[0018] Figure 4 This is a structural diagram of the robotic arm in Example 1 of the present application;

[0019] Figure 5 This is a color diagram of the mold structure in Example 1 of this application.

[0020] Explanation of the accompanying drawings: 1. Machine body; 2. Injection molding station 1; 3. Injection molding station 2; 4. Injection molding turntable; 5. Delivery structure; 51. Gantry; 52. Linear module; 6. Cooling turntable; 61. Support seat; 71. Longitudinal beam; 72. Clamping block; 73. Crossbeam; 74. Inner bracket; 8. Robotic arm; 81. Servo motor; 82. Threaded rod; 83. Slider; 84. Guide rail; 85. Finger cylinder. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1 - Figure 5 This application is described in further detail.

[0022] Example 1:

[0023] A central turret multi-color and multi-material vertical injection molding machine with double cooling stations, Figure 1 - Figure 5, the machine body 1 integrates the control system, transmission system and hydraulic system, the injection molding turntable 4 is rotatably set at the top center position of the machine body 1, and the injection molding turntable 4 is symmetrically provided with injection molding station 1 2 and injection molding station 2 3 on both sides of the center, and the upper mold is movably provided at the position of injection molding station 1 2 and injection molding station 2 3. The feeding structure of the vertical injection molding machine is set above the upper mold (not shown in the figure). The injection molding turntable 4 performs injection molding of the first color material at the injection molding station 1 2 position and injection molding of the second color material at the injection molding station 2 3 position, and completes the removal and unloading from the inner bracket 74 at the station away from the delivery structure 5 through another mechanical structure. The injection molding station is provided with a mold The mold structure includes a longitudinal beam 71 and a transverse beam 73 forming a T-shaped structure. The top of the longitudinal beam 71 is fixedly connected to a clamping block 72 with bolts. The side of the transverse beam 73 facing away from the longitudinal beam 71 is welded with an internal bracket 74. The internal bracket 74 is used to cooperate with injection molding station 1 2 and injection molding station 2 3 to form an internal support for the injection molded part and provide support for the injected plastic. The longitudinal beam 71 provides support for the clamping block 72, which cooperates with the finger cylinder 85 to achieve the transfer of the mold structure. At the same time, when it is transported to the injection molding turntable 4 through the finger cylinder 85, the longitudinal beam 71 will slide under the clamping block on the injection molding turntable 4. The clamping block elastically set on the injection molding turntable 4 stabilizes the position of the mold structure. The transverse beam 73 provides welding points for multiple internal brackets 74 on the one hand, and is clamped with the support base 61 on the other hand to achieve the stable position of the mold structure on the support base 61.

[0024] The outer side of the machine body 1 is provided with a cooling station which is rotatable in a circular manner and used for clamping and placing the mold structure.

[0025] A delivery structure 5 is provided between the cooling station and the injection molding station. The delivery structure 5 includes a finger cylinder 85 that can be displaced in both vertical and horizontal directions. The finger cylinder 85 clamps the mold structure and, under the action of the delivery structure 5, transfers it back and forth between the cooling station and the injection molding station. The delivery structure 5 includes a linear module 52 arranged in the horizontal direction. The output end of the linear module 52 is connected to a robotic arm 8 in a transmission manner. The robotic arm 8 includes a slider 83 that can be displaced in the vertical direction. One side of the slider 83 is fixedly connected to the finger cylinder 85. The robotic arm 8 also includes a bracket fixedly connected to the output end of the linear module 52. A servo motor 81 is fixedly connected to one side of the bracket by bolts, and a guide rail 84 is fixedly connected to the other side of the bracket by bolts. The slider 83 is slidably embedded in the guide rail 84, and the inner side of the slider 83 is threadedly connected to a threaded rod 82. The top end of the threaded rod 82 is connected to the servo motor 81 through a transmission assembly. The transmission assembly can be a gear and a synchronous belt assembly. The gears are fixedly connected to the output end of the servo motor 81 and the top end of the threaded rod 82 at the same horizontal plane. Servo motor 81 controls the forward and reverse rotation of threaded rod 82, thereby moving slider 83 vertically up and down. Because slider 83 is fixedly connected to finger cylinder 85, finger cylinder 85 also moves vertically. The clamping section of finger cylinder 85 is L-shaped, corresponding to the groove of mold structure clamping block 72, thus ensuring the stable position of the mold structure during the clamping and conveying process. A gantry 51 is provided on the outside of linear module 52, which is fixedly connected to the machine body 1 via gantry 51.

[0026] During the processing, after the injection molding is completed on the injection molding station 2, the injection molding turntable 4 rotates 1 / 4 and transports it to the bottom of the finger cylinder 85. At this time, the finger cylinder 85 moves downward to grab the mold structure, and then moves upward to reset. Under the action of the linear module 52, it moves to the side of the cooling station. After moving into place, the finger cylinder 85 moves downward to clamp the mold structure into the cooling station. The finger cylinder 85 moves upward to reset again, waiting for the cooling turntable 6 to rotate, and transports the next mold structure with the completed cooled injection molded part to the cooling station. The finger cylinder 85 is below the finger cylinder 85. At this time, the finger cylinder 85 descends again and transports the mold structure to an empty station on the injection turntable 4. The finger cylinder 85 resets, and then the injection turntable 4 rotates 1 / 4 position again. The cooled injection molded part mold structure enters the injection molding station 2 3 for secondary injection molding. After the injection molding is completed, the injection molding station 2 3 opens the mold. The injection molding turntable 4 rotates 1 / 4 position again and reaches the unloading station. The unloading mechanical group unloads the material. The mold structure after unloading is now completely empty, thus completing one cycle. In the next cycle, it enters the injection molding station 1 2 again for a new round of injection molding, and this cycle continues.

[0027] The cooling station includes a cooling turntable 6 and a support seat 61 in a circular array on the cooling turntable 6. The support seat 61 rotates in a circular direction. The top view of the cooling disk is a circular structure. A stepper motor structure is provided at the bottom to transmit its position. The angle of each rotation is the angle between the two support seats 61. The number of cooling stations can be set according to the actual cooling time requirements. If the required time is short, fewer cooling stations can be selected. If the cooling time is long, more cooling stations can be selected, or cooling disk structures with different diameters can be selected to adjust the cooling time.

[0028] The above describes an exemplary implementation of a central turret multi-color multi-material vertical injection molding machine with a doubled cooling station provided by the present disclosure with reference to a preferred embodiment. However, it will be understood by those skilled in the art that, without departing from the concept of the present disclosure, various modifications and variations can be made to the above-mentioned specific embodiments, and various technical features and structures proposed in the present disclosure can be combined in various ways without exceeding the scope of protection of the present disclosure, which is determined by the appended claims.

Claims

1. A central turret type multi-color and multi-material vertical injection molding machine with a multiplied cooling station, comprising a machine body (1) integrated with a control system, a transmission system, and a hydraulic system, wherein an injection molding turntable (4) is rotatably provided at the top center of the machine body (1), and an injection molding turntable (4) is symmetrically provided on both sides of the injection molding turntable (4), and a mold structure is provided on the injection molding station, characterized in that: The outer side of the machine body (1) is provided with a cooling station that rotates in a circular motion and is used to clamp and place the mold structure; A delivery structure (5) is provided between the cooling station and the injection molding station. The delivery structure (5) includes a finger cylinder (85) that is displaced in the vertical and horizontal directions. The finger cylinder (85) clamps the mold structure and transfers it back and forth between the cooling station and the injection molding station under the action of the delivery structure (5).

2. The central turret type multi-color and multi-material vertical injection molding machine with a multiplied cooling station according to claim 1, characterized in that: The cooling station comprises a cooling turntable (6) and a support seat (61) in an annular array on the cooling turntable (6), and the support seat (61) rotates circumferentially.

3. The central turret type multi-color and multi-material vertical injection molding machine with a multiplied cooling station according to claim 1, characterized in that: The delivery structure (5) includes a linear module (52) arranged in a horizontal direction. The output end of the linear module (52) is transmission-connected to a robotic arm (8). The robotic arm (8) includes a slider (83) that moves in a vertical direction. One side of the slider (83) is fixedly connected to a finger cylinder (85).

4. The central turret type multi-color and multi-material vertical injection molding machine with multiple cooling stations according to claim 3, characterized in that: The robotic arm (8) further comprises a bracket fixedly connected to the output end of the linear module (52), a servo motor (81) being fixedly connected to one side of the bracket by bolts, a guide rail (84) being fixedly connected to the other side of the bracket by bolts, a slider (83) being slidably embedded in the guide rail (84), and the inner side of the slider (83) being threadedly connected to the threaded rod (82), and the top end of the threaded rod (82) being transmission-connected to the servo motor (81) via a transmission assembly.

5. The central turret type multi-color and multi-material vertical injection molding machine with multiple cooling stations according to claim 4, characterized in that: A door frame (51) is provided on the outside of the linear module (52), and the linear module (52) is fixedly connected to the machine body (1) via the door frame (51).

6. The central turret type multi-color and multi-material vertical injection molding machine with multiple cooling stations according to claim 1, characterized in that: The mold structure comprises a longitudinal beam (71) and a transverse beam (73) forming a T-shaped structure, wherein the top of the longitudinal beam (71) is fixedly connected with a clamping block (72) by bolts, and an inner bracket (74) is welded to a side of the transverse beam (73) facing away from the longitudinal beam (71).

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