A quick die changing device of a new type plastic wire box injection molding machine

Abstract

The present disclosure relates to the technical field of injection molding machines, and one embodiment of the present disclosure provides a quick mold changing device of a new plastic line box injection molding machine, which is applied to an injection molding machine body, two molds are arranged in the injection molding machine body, and the quick mold changing device further comprises two mounting plates, a clamping frame and a support plate, the two mounting plates are arranged on the injection molding machine body, the two molds are arranged on opposite sides of the two mounting plates, the clamping frame comprises two groups, one group of the clamping frame is arranged on each of the two mounting plates, each group of the clamping frame is arranged on the two mounting plates through a clamping mechanism, the clamping mechanism is used for driving the clamping frame to clamp the mold, and the support plate is arranged on each of the two mounting plates through a moving mechanism, the moving mechanism is used for driving the support plate to move against the mold. Through the above technical solution, the technical problem that the mold is time-consuming and labor-consuming to disassemble and the efficiency of mold replacement is reduced in the prior art is solved.

Description

Technical Field

[0001] The embodiments disclosed herein relate to the field of injection molding machine technology, and more specifically, to a novel quick mold change device for a plastic wire box injection molding machine. Background Technology

[0002] Plastic junction boxes are electrical accessories used to protect wires and provide a mounting base for switches, sockets, etc. They are mostly made of materials such as ABS, PC, and PVC, and are characterized by their light weight, easy installation, affordable price, good insulation, and corrosion resistance.

[0003] Plastic junction boxes require injection molding during processing. Existing injection molding machines control two molds to be positioned opposite each other and inject molten plastic into the molds to achieve the injection molding process. However, when different specifications of plastic junction boxes need to be injection molded, the injection molds need to be replaced. Existing molds are generally installed inside the injection molding machine with multiple bolts. Disassembling the mold requires unscrewing each bolt individually, and after replacing the mold, the bolts need to be tightened one by one. This replacement method is time-consuming and labor-intensive, reducing the efficiency of mold replacement. Utility Model Content

[0004] To overcome the above-mentioned defects, the embodiments of this disclosure provide a novel quick mold change device for a plastic wire box injection molding machine, which solves the technical problem in the prior art that the disassembly of the mold is time-consuming and labor-intensive, reducing the efficiency of mold replacement.

[0005] According to one aspect, at least one embodiment of this disclosure provides a novel quick mold changing device for a plastic wire box injection molding machine, applied to the injection molding machine body. The injection molding machine body has two molds and further includes: a mounting plate, a clamping frame, and a support plate. There are two mounting plates, both of which are mounted on the injection molding machine body. The two molds are respectively mounted on opposite sides of the two mounting plates. There are two sets of clamping frames, with one set of clamping frames on each of the two mounting plates. Each set of clamping frames is respectively mounted on the two mounting plates via a clamping mechanism. The clamping mechanism is used to drive the clamping frames to clamp the molds. Each of the two mounting plates has a support plate via a moving mechanism. The moving mechanism is used to drive the support plate to move and abut against the molds.

[0006] To drive multiple clamping frames to clamp and fix the mold, the clamping mechanism includes: a slider, a tension spring, a transmission assembly, and a drive assembly. Each clamping frame is fixedly connected to a slider. The mounting plate has multiple sliding grooves, and a slider is slidably connected in each sliding groove. A tension spring is fixedly connected to one side of each slider. The other ends of the multiple tension springs are respectively fixedly connected to the inner walls of the multiple sliding grooves. The transmission assembly is mounted on the mounting plate and is used to drive the relative movement of the multiple sliders. The drive assembly is mounted on one side of the mounting plate and is used to drive the movement of the transmission assembly.

[0007] To drive multiple sliders to move relative to each other, the transmission assembly includes: a transmission wheel, a rotating ring, and transmission blocks. Each slider is rotatably connected to a transmission wheel. The rotating ring is rotatably mounted on one side of the mounting plate via the rotation assembly. Multiple transmission blocks are provided, and each transmission block is fixedly connected to the inner wall of the rotating ring. Each transmission block corresponds to one of the multiple transmission wheels.

[0008] To drive the rotating ring to rotate, the driving assembly includes: a gear ring, a drive gear, and a first motor. The gear ring is fixedly connected to the circumferential surface of the rotating ring. The drive gear is disposed on one side of the mounting plate and meshes with the gear ring. The first motor is mounted on one side of the mounting plate, and the output end of the first motor is fixedly connected to the drive gear.

[0009] To drive the support plate to move and press against the mold, the moving mechanism includes: a fixed block, a moving screw, and a hexagonal block. The fixed block is fixedly connected to the mounting plate, one end of the moving screw is rotatably connected to the support plate, and both the fixed block and the mounting plate are provided with screw holes. The moving screw is threaded into the screw holes, and the hexagonal block is fixedly connected to the other end of the moving screw.

[0010] To support the stable rotation of the rotating ring, the rotating assembly includes: support blocks and circular grooves. Multiple support blocks are provided, and each support block is fixedly connected to one side of the mounting plate. The circular groove is opened on one side of the rotating ring, and the multiple support blocks are slidably connected in the circular groove.

[0011] To improve the stability of the clamping frame and the mold, grooves are provided at the four corners of the mold, and connecting blocks are fixedly connected to multiple clamping frames, with each connecting block inserted into a corresponding groove.

[0012] To increase the stability of the first motor during operation, a mounting bracket is fixedly connected to the mounting plate, and the first motor is mounted on the mounting bracket.

[0013] The beneficial effects of the embodiments disclosed herein are as follows:

[0014] In this disclosure, a clamping mechanism drives multiple clamping frames to move relative to each other, thereby inserting the connecting blocks set inside the clamping frames into the grooves opened on the mold, thus stably clamping the mold. By moving the multiple clamping blocks away from each other, the mold is quickly released, thereby improving the efficiency of mold disassembly and replacement.

[0015] The moving mechanism drives the support plate to move, thereby pressing the support plate against the mold and improving the stability of the mold when it is clamped. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments of this disclosure will be briefly introduced below. Obviously, the drawings described below are merely some exemplary embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on the content of the exemplary embodiments of this disclosure and these drawings without any creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure in one embodiment of the present disclosure;

[0018] Figure 2 This is a structural schematic diagram from another angle in one embodiment of the present disclosure;

[0019] Figure 3 This is a schematic diagram of the clamping mechanism and the moving mechanism in one embodiment of the present disclosure;

[0020] Figure 4 This is a schematic diagram of the clamping mechanism and the moving mechanism from another angle in one embodiment of the present disclosure;

[0021] Figure 5 This is a schematic diagram of the structure of the rotating component in one embodiment of the present disclosure.

[0022] In the diagram: 1. Injection molding machine body; 2. Mold; 3. Mounting plate; 4. Clamping frame; 5. Support plate; 6. Slider; 7. Tension spring; 8. Transmission wheel; 9. Rotating ring; 10. Transmission block; 11. Gear ring; 12. Drive gear; 13. First motor; 14. Fixed block; 15. Moving screw; 16. Hexagonal block; 17. Support block; 18. Circular groove; 19. Connecting block; 20. Fixing frame. Detailed Implementation

[0023] The present disclosure will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present disclosure and are not intended to limit the scope of the disclosure.

[0024] To keep the drawings concise, each drawing only schematically shows the parts relevant to the disclosure; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of components with the same structure or function is schematically shown, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."

[0025] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances.

[0026] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0027] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0028] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0029] like Figures 1-5The diagram illustrates a quick mold change device for a novel plastic wire box injection molding machine according to an embodiment of this disclosure. It is applied to the injection molding machine body 1, which contains two molds 2. The machine body 1 also includes mounting plates 3, clamping frames 4, and support plates 5. Grooves are provided at the four corners of each mold 2. Connecting blocks 19 are fixedly connected to multiple clamping frames 4, each connecting block 19 being inserted into a corresponding groove. Two mounting plates 3 are provided, both mounted on the injection molding machine body 1. The two molds 2 are respectively positioned on opposite sides of the two mounting plates 3. Two sets of clamping frames 4 are provided, with one set on each of the two mounting plates 3. Each set of clamping frames 4 is connected by a clamping mechanism. The clamping mechanism is set on two mounting plates 3 and is used to drive the clamping frame 4 to clamp the mold 2. Each of the two mounting plates 3 is equipped with a support plate 5 through a moving mechanism. The moving mechanism is used to drive the support plate 5 to move and abut against the mold 2. The clamping mechanism drives multiple clamping frames 4 to move relative to each other, so that the connecting block 19 set in the clamping frame 4 is inserted into the groove opened on the mold 2, thereby stably clamping the mold 2. By moving the multiple clamping blocks away from each other, the mold 2 is quickly released, thereby improving the efficiency of disassembling and replacing the mold 2. The moving mechanism drives the support plate 5 to move, so that the support plate 5 abuts against the mold 2, thereby improving the stability of the mold 2 when it is clamped.

[0030] The clamping mechanism includes: a slider 6, a tension spring 7, a transmission assembly, and a drive assembly. Each clamping frame 4 has a slider 6 fixedly connected to it. The mounting plate 3 has multiple grooves, each containing a slider 6 slidably connected to it. One side of each slider 6 is fixedly connected to a tension spring 7, and the other ends of the tension springs 7 are fixedly connected to the inner walls of the multiple grooves. The transmission assembly is mounted on the mounting plate 3 and is used to drive the relative movement of the multiple sliders 6. The drive assembly is mounted on one side of the mounting plate 3 and is used to drive the transmission assembly. The transmission assembly includes: a transmission wheel 8, a rotating ring 9, and transmission blocks 10. Each slider 6 is rotatably connected to a transmission wheel 8. The rotating ring 9 is rotatably mounted on one side of the mounting plate 3 via the rotating assembly. Multiple transmission blocks 10 are provided, and each transmission block 10 is fixedly connected to the rotating ring. On the inner wall of the rotating ring 9, multiple transmission blocks 10 correspond one-to-one with multiple transmission wheels 8. The drive assembly includes: a gear ring 11, a drive gear 12, and a first motor 13. A fixed frame 20 is fixedly connected to the mounting plate 3. The first motor 13 is mounted on the fixed frame 20. The gear ring 11 is fixedly connected to the circumferential surface of the rotating ring 9. The drive gear 12 is located on one side of the mounting plate 3 and meshes with the gear ring 11. The first motor 13 is mounted on one side of the mounting plate 3, and the output end of the first motor 13 is fixedly connected to the drive gear 12. The rotating assembly includes: a support block 17 and a circular groove 18. Multiple support blocks 17 are provided, and multiple support blocks 17 are fixedly connected to one side of the mounting plate 3. The circular groove 18 is opened on one side of the rotating ring 9, and multiple support blocks 17 are slidably connected in the circular groove 18.

[0031] The first motor 13 drives the drive gear 12 and the gear ring 11 to rotate. When the gear ring 11 rotates, it drives the rotating ring 9 to rotate. When the rotating ring 9 rotates, it drives the transmission block 10 to abut against the transmission wheel 8, causing the transmission wheel 8 to roll on the transmission block 10. This supports the slider 6 to slide in the groove, thereby driving the multiple clamping frames 4 to move relative to each other. This causes the connecting block 19 to be inserted into the groove, thus fixing the mold 2 between the multiple clamping frames 4. At this time, the tension spring 7 is stretched. When it is necessary to disassemble the mold 2, the drive rotating ring 9 rotates in the opposite direction, causing the transmission block 10 to move away from the transmission wheel 8. The tension spring 7 pulls the slider 6 back to its original position in the groove, thereby moving the multiple clamping frames 4 away from the mold 2, thus enabling the mold 2 to be quickly disassembled and replaced.

[0032] The moving mechanism includes a fixed block 14, a moving screw 15, and a hexagonal block 16. The fixed block 14 is fixedly connected to the mounting plate 3. One end of the moving screw 15 is rotatably connected to the support plate 5. Both the fixed block 14 and the mounting plate 3 have screw holes. The moving screw 15 is threaded into the screw hole. The hexagonal block 16 is fixedly connected to the other end of the moving screw 15. By twisting the hexagonal block 16, the operator can drive the moving screw 15 to rotate, thereby driving the support plate 5 to move and press against the mold 2 to provide stable support for the mold 2.

[0033] The working principle is as follows: the first motor 13 drives the drive gear 12 and the gear ring 11 to rotate. When the gear ring 11 rotates, it drives the rotating ring 9 to rotate. When the rotating ring 9 rotates, it drives the transmission block 10 to abut against the transmission wheel 8, causing the transmission wheel 8 to roll on the transmission block 10. This supports the slider 6 to slide in the groove, thereby driving the multiple clamping frames 4 to move relative to each other. This causes the connecting block 19 to be inserted into the groove, thus fixing the mold 2 between the multiple clamping frames 4. At this time, the tension spring 7 is stretched. When it is necessary to disassemble the mold 2, the drive rotating ring 9 rotates in the opposite direction, causing the transmission block 10 to move away from the transmission wheel 8. The tension spring 7 pulls the slider 6 back to its original position in the groove, thereby moving the multiple clamping frames 4 away from the mold 2. This allows for quick disassembly and replacement of the mold 2. After the mold 2 is replaced, the operator twists the hexagonal block 16 to drive the moving screw 15 to rotate, thereby moving the support plate 5 to abut against the mold 2 and provide stable support for the mold 2.

[0034] It should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure and are not intended to limit it. Although this disclosure has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this disclosure without departing from the spirit and scope of the technical solutions of this disclosure, and all such modifications and substitutions should be covered within the scope of the claims of this disclosure.

Claims

1. A novel quick mold changing device for a plastic wire box injection molding machine, applied to the injection molding machine body (1), wherein the injection molding machine body (1) is provided with two molds (2), characterized in that, Also includes: Mounting plate (3), there are two mounting plates (3), both mounting plates (3) are set on the injection molding machine body (1), and the two molds (2) are respectively set on the opposite side of the two mounting plates (3); The clamping frame (4) is provided in two sets. Each of the two mounting plates (3) is provided with a set of clamping frames (4). Each set of clamping frames (4) is respectively set on the two mounting plates (3) by a clamping mechanism. The clamping mechanism is used to drive the clamping frame (4) to clamp the mold (2). Support plate (5) is provided on both mounting plates (3) via a moving mechanism. The moving mechanism is used to drive the support plate (5) to move and abut against the mold (2).

2. The quick mold change device for a novel plastic wire box injection molding machine according to claim 1, characterized in that, The clamping mechanism includes: The slider (6) is fixedly connected to each of the clamping frames (4). The mounting plate (3) has multiple sliding grooves, and each of the sliding grooves is slidably connected to a slider (6). Tension spring (7), one side of each slider (6) is fixedly connected to the tension spring (7), and the other end of the multiple tension springs (7) is fixedly connected to the inner wall of multiple grooves respectively; A transmission assembly is disposed on the mounting plate (3) for transmitting relative movement of the plurality of sliders (6); A drive assembly is disposed on one side of the mounting plate (3) and is used to drive the transmission assembly to move.

3. The quick mold change device for a novel plastic wire box injection molding machine according to claim 2, characterized in that, The transmission assembly includes: The transmission wheel (8) is rotatably connected to each of the sliders (6). Rotating ring (9), which is rotatably disposed on one side of the mounting plate (3) by means of a rotating assembly; The transmission block (10) is provided in multiple ways. All of the transmission blocks (10) are fixedly connected to the inner wall of the rotating ring (9). Each of the transmission blocks (10) corresponds to one of the transmission wheels (8).

4. The quick mold change device for a novel plastic wire box injection molding machine according to claim 3, characterized in that, The driving component includes: A toothed ring (11) is fixedly connected to the circumferential surface of the rotating ring (9); A drive gear (12) is disposed on one side of the mounting plate (3) and meshes with the gear ring (11); The first motor (13) is mounted on one side of the mounting plate (3), and the output end of the first motor (13) is fixedly connected to the drive gear (12).

5. The quick mold change device for a novel plastic wire box injection molding machine according to claim 4, characterized in that, The moving mechanism includes: A fixing block (14) is fixedly connected to the mounting plate (3); A movable screw (15) is rotatably connected to the support plate (5) at one end. The fixed block (14) and the mounting plate (3) are both provided with screw holes. The movable screw (15) is threaded into the screw hole. A hexagonal block (16) is fixedly connected to the other end of the movable screw (15).

6. The quick mold change device for a novel plastic wire box injection molding machine according to claim 3, characterized in that, The rotating assembly includes: Support blocks (17), multiple support blocks (17) are provided, and multiple support blocks (17) are fixedly connected to one side of the mounting plate (3); A circular groove (18) is formed on one side of the rotating ring (9), and multiple support blocks (17) are slidably connected in the circular groove (18).

7. The quick mold change device for a novel plastic wire box injection molding machine according to claim 1, characterized in that, The mold (2) has grooves at all four corners, and multiple clamping frames (4) are fixedly connected with connecting blocks (19), each connecting block (19) being inserted into the corresponding groove.

8. The quick mold change device for a novel plastic wire box injection molding machine according to claim 4, characterized in that, A mounting bracket (20) is fixedly connected to the mounting plate (3), and the first motor (13) is mounted on the mounting bracket (20).

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