Chip-controlled in-mold hot cutting structure

Abstract

The structure comprises a workbench, a central controller is fixedly installed on the front surface of the workbench, a lower mold is fixedly installed at the middle end of the top of the workbench, and an injection molding opening is formed in the upper end of the left side of the lower mold; a containing cavity is formed in the position, below the injection molding opening, of the left end of the lower mold, and an L-shaped baffle is movably connected between the upper end of the containing cavity and the right end of the injection molding opening. Through the arrangement of the L-shaped baffle, good protection can be formed between the containing cavity and the injection molding opening, raw materials for injection molding are effectively prevented from entering the containing cavity when injection molding operation is carried out in the lower mold, and therefore it is guaranteed that follow-up hot cutting operation can be carried out stably; and through the arrangement of a central controller, a second hydraulic cylinder, a guide plate, a cutter, an L-shaped baffle and a supporting spring, the effect of rapidly carrying out hot cutting operation is achieved, and personnel can conveniently use the hot cutting device.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a hot cutting structure in a mold controlled by a chip. Background Art

[0002] Injection mold processing is to add plastic into the mold, and then melt the plastic inside the mold by heating and inject it into the interior of the injection mold, so that the molten plastic adheres to the entire surface of the mold cavity, forming it into the required shape, and cooling it to shape. The in-mold hot cutting mechanism is a technology that realizes the thermal separation of the product and the water outlet when the product is not ejected from the mold. The in-mold hot cutting mechanism can improve the flatness of the plastic shear edge.

[0003] For example, the Chinese utility model provides "an injection mold in-mold hot cutting mechanism" announcement number: CN213353393U, in which the upper end of the lower mold is provided with a limiting hole groove, a mold cavity is provided on one side of the limiting hole groove, a molding groove is provided inside the mold cavity, a feed gate is provided on one side of the molding groove, a limiting stopper is installed on the upper end of the feed gate, a cutting groove is provided inside the limiting stopper, an upper mold is installed above the lower mold, a limiting slide groove is provided inside the upper mold, a hydraulic cylinder is installed on the upper end of the limiting slide groove, a telescopic rod is installed on the lower end of the hydraulic cylinder, a fixed seat is installed on the lower end of the telescopic rod, a cutter mounting seat is installed below the fixed seat, a cutter mounting groove is provided inside the cutter mounting seat, and a cutter is installed inside the cutter mounting groove.

[0004] Although the hot cutting mechanism in the injection mold in the above-mentioned technology can perform hot cutting operations on the internal water nozzle, due to the lack of good protection of the bottom of the limiting slide during the overall injection molding process, the injected material is easy to enter the interior of the limiting slide during long-term working, and hinder the movement of the cutter mounting seat and the cutter, affecting the normal progress of the hot cutting operation and being not conducive to personnel use. Utility Model Content

[0005] The utility model aims to provide an in-mold hot cutting structure controlled by a chip, which has a good protection effect, ensures that the hot cutting operation can be carried out for a long time and stably, and is convenient for personnel to use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a chip-controlled in-mold hot cutting structure, comprising a workbench, a central controller is fixedly installed on the front surface of the workbench, a lower mold is fixedly installed on the middle end of the top of the workbench, an injection port is opened at the upper end of the left side of the lower mold, and an accommodating cavity is opened at the left end of the lower mold and below the injection port, an L-shaped baffle is movably connected between the upper end of the accommodating cavity and the right end of the injection port, a supporting spring is fixedly connected between the left side of the L-shaped baffle and the upper end of the left side of the accommodating cavity, and the number of the supporting springs is two, a second hydraulic cylinder is fixedly installed at the left end of the bottom of the lower mold, a guide plate is fixedly installed at the output end of the second hydraulic cylinder, a cutter is fixedly installed on the right side of the guide plate, and the right side of the cutter is movably connected to the right side of the accommodating cavity.

[0007] As a preferred solution, a fixing frame is fixedly connected to the top of the outer surface of the workbench, a first hydraulic cylinder is fixedly installed at the middle end of the top of the inner cavity of the fixing frame, and an upper mold is fixedly installed at the output end of the first hydraulic cylinder.

[0008] As a preferred solution, guide plates are fixedly connected to both sides of the upper mold, the middle end of the guide plate is movably connected to a guide rod, and the top of the guide rod is fixedly connected to the top of the inner cavity of the fixing frame.

[0009] As a preferred solution, a dual-axis motor is fixedly installed at the middle end of the top of the outer surface of the fixing frame, screws are fixedly installed on both sides of the output end of the dual-axis motor, the surface of the screw is movably connected to a support plate through a bearing, the bottom of the support plate is fixedly connected to the top of the outer surface of the fixing frame, the surface of the screw is threadedly connected to an L-shaped clamping plate, both ends of the top of the fixing frame are fixedly connected to sliding rods, and the upper end of the L-shaped clamping plate is movably connected to the surface of the sliding rod.

[0010] As a preferred solution, a display screen is fixedly mounted on the upper end of the central controller, and a control chip is disposed inside the central controller.

[0011] As a preferred solution, the middle end of the left side of the lower mold is movably connected to a limiting rod, the number of the limiting rods is two, and the right side of the limiting rod is fixedly connected to the left side of the L-shaped baffle.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model can form good protection between the accommodating cavity and the injection port by setting the L-shaped baffle, effectively preventing the injected material from entering the accommodating cavity during the injection molding operation inside the lower mold, thereby ensuring that the subsequent hot cutting operation can be carried out stably. Through the setting of the central controller, the second hydraulic cylinder, the guide plate, the cutter, the L-shaped baffle and the support spring, the effect of fast hot cutting operation is achieved, which is convenient for personnel to use.

[0014] 2. The utility model is provided with a first hydraulic cylinder so as to push the upper mold to move downward so as to close the mold with the lower mold, thereby facilitating the injection molding operation. The guide plate and the guide rod are provided to guide the upper mold, avoid the upper mold from tilting during the movement, and ensure the closing accuracy between the upper mold and the lower mold. The dual-axis motor, the screw and the L-shaped card plate are provided so that the screw can be driven to rotate under the action of the dual-axis motor. The rotation of the screw drives the L-shaped card plate to move, and the lower end of the L-shaped card plate can be located below the guide plate, so that the guide plate and the upper mold can be effectively locked and limited, avoiding the upper mold from moving downward due to misoperation or failure during the material taking process, thereby reducing the risk of personnel being crushed. The support plate is provided to stably support the screw, the slide bar is provided to guide the L-shaped card plate, and the limit rod is provided to guide the L-shaped baffle plate to avoid tilting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the partial structure of the fixing frame of the utility model from a top view;

[0017] Figure 3 It is a schematic diagram of the partial cross-sectional structure of the lower mold of the utility model.

[0018] In the figure: 1. workbench; 2. central controller; 3. lower mold; 4. guide rod; 5. guide plate; 6. first hydraulic cylinder; 7. upper mold; 8. L-shaped clamping plate; 9. fixing frame; 10. sliding rod; 11. dual-axis motor; 12. screw rod; 13. support plate; 14. injection port; 15. limit rod; 16. support spring; 17. accommodating chamber; 18. guide plate; 19. second hydraulic cylinder; 20. cutter; 21. L-shaped baffle. DETAILED DESCRIPTION

[0019] 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.

[0020] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0021] Embodiment 1:

[0022] See also Figure 1 and Figure 3 As shown, the utility model provides an in-mold hot cutting structure controlled by a chip, comprising a workbench 1, a central controller 2 is fixedly installed on the front surface of the workbench 1, a lower mold 3 is fixedly installed on the middle end of the top of the workbench 1, an injection port 14 is opened at the upper end of the left side of the lower mold 3, and an accommodating cavity 17 is opened at the left end of the lower mold 3 and below the injection port 14, an L-shaped baffle 21 is movably connected between the upper end of the accommodating cavity 17 and the right end of the injection port 14, a supporting spring 16 is fixedly connected between the left side of the L-shaped baffle 21 and the upper end of the left side of the accommodating cavity 17, and the number of the supporting springs 16 is two, a second hydraulic cylinder 19 is fixedly installed at the left end of the bottom of the lower mold 3, a guide plate 18 is fixedly installed at the output end of the second hydraulic cylinder 19, a cutter 20 is fixedly installed on the right side of the guide plate 18, and the right side of the cutter 20 is movably connected to the right side of the accommodating cavity 17.

[0023] In the present technical solution, by setting the L-shaped baffle 21, good protection can be formed between the accommodating cavity 17 and the injection port 14, effectively preventing the injected raw material from entering the accommodating cavity 17 during the injection molding operation inside the lower mold 3, thereby ensuring that the subsequent hot cutting operation can be carried out stably. By setting the central controller 2, the second hydraulic cylinder 19, the guide plate 18, the cutter 20, the L-shaped baffle 21 and the support spring 16, the effect of quickly performing hot cutting operations is achieved, which is convenient for personnel to use.

[0024] Embodiment 2:

[0025] On the basis of embodiment 1, the present invention is as follows Figure 1 and Figure 2As shown, a fixing frame 9 is fixedly connected to the top of the outer surface of the workbench 1, a first hydraulic cylinder 6 is fixedly installed at the middle end of the top of the inner cavity of the fixing frame 9, an upper mold 7 is fixedly installed at the output end of the first hydraulic cylinder 6, guide plates 5 are fixedly connected to both sides of the upper mold 7, a guide rod 4 is movably connected to the middle end of the guide plate 5, the top of the guide rod 4 is fixedly connected to the top of the inner cavity of the fixing frame 9, a dual-axis motor 11 is fixedly installed at the middle end of the top of the outer surface of the fixing frame 9, screws 12 are fixedly installed on both sides of the output end of the dual-axis motor 11, the surface of the screw 12 is movably connected to a support plate 13 through a bearing, the bottom of the support plate 13 is fixedly connected to the top of the outer surface of the fixing frame 9, the surface of the screw 12 is threadedly connected to an L-shaped clamping plate 8, both ends of the top of the fixing frame 9 are fixedly connected to sliding rods 10, and the upper end of the L-shaped clamping plate 8 is movably connected to the surface of the sliding rod 10.

[0026] In the present technical scheme, the first hydraulic cylinder 6 is provided so as to push the upper mold 7 to move downward so as to close the mold with the lower mold 3, thereby facilitating the injection molding operation. The guide plate 5 and the guide rod 4 are provided to guide the upper mold 7, avoid the upper mold 7 from tilting during the movement, and ensure the closing accuracy between the upper mold 7 and the lower mold 3. The dual-axis motor 11, the screw 12 and the L-shaped card plate 8 are provided so that the screw 12 can be driven to rotate under the action of the dual-axis motor 11. The rotation of the screw 12 drives the L-shaped card plate 8 to move, so that the lower end of the L-shaped card plate 8 can be located below the guide plate 5, so that the guide plate 5 and the upper mold 7 can be effectively locked and limited, avoiding the upper mold 7 from moving downward due to misoperation or failure during the material collection process, and reducing the risk of personnel being crushed. The support plate 13 is provided to stably support the screw 12, and the slide bar 10 is provided to guide the L-shaped card plate 8.

[0027] Embodiment three:

[0028] On the basis of embodiment 1, the present invention is as follows Figure 1 and Figure 3 As shown, a display screen is fixedly installed on the upper end of the central controller 2, a control chip is arranged inside the central controller 2, and a limit rod 15 is movably connected to the middle end of the left side of the lower mold 3. There are two limit rods 15, and the right side of the limit rod 15 is fixedly connected to the left side of the L-shaped baffle 21.

[0029] In the present technical solution, the limiting rod 15 is provided to guide the L-shaped baffle 21 and prevent the L-shaped baffle 21 from tilting.

[0030] The working principle of the utility model is as follows: through the setting of the L-shaped baffle plate 21, a good protection can be formed between the accommodating cavity 17 and the injection port 14, and the injected raw material can be effectively prevented from entering the accommodating cavity 17 when the injection molding operation is performed inside the lower mold 3, thereby ensuring that the subsequent hot cutting operation can be carried out stably, and after the internal injection molding of the lower mold 3 is completed, the extension of the second hydraulic cylinder 19 controlled by the central controller 2 can push the guide plate 18 and the cutter 20 to move upward, and the guide plate 18 can contact the bottom of the L-shaped baffle plate 21 while moving, and push the L-shaped baffle plate 21 to move to the left through the inclined surface, and the movement of the L-shaped baffle plate 21 can compress the support spring 16, and make the L-shaped baffle plate 21 detach from the top of the cutter 20, and under the action of the continuous movement of the cutter 20, it can extend into the injection port 14 and effectively cut off the injection water outlet, thereby achieving the effect of quickly performing hot cutting operations, which is convenient for personnel to use.

[0031] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0032] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A chip-controlled in-mold hot cutting structure, comprising a workbench (1), characterized in that: A central controller (2) is fixedly mounted on the front surface of the workbench (1); a lower mold (3) is fixedly mounted at the middle end of the top of the workbench (1); an injection port (14) is provided at the upper end of the left side of the lower mold (3); a receiving cavity (17) is provided at the left end of the lower mold (3) and below the injection port (14); an L-shaped baffle (21) is movably connected between the upper end of the receiving cavity (17) and the right end of the injection port (14); a support spring (16) is fixedly connected between the left side of the L-shaped baffle (21) and the upper end of the left side of the receiving cavity (17); two support springs (16) are provided; a second hydraulic cylinder (19) is fixedly mounted at the left end of the bottom of the lower mold (3); a guide plate (18) is fixedly mounted at the output end of the second hydraulic cylinder (19); a cutter (20) is fixedly mounted on the right side of the guide plate (18); and the right side of the cutter (20) is movably connected to the right side of the receiving cavity (17).

2. The chip-controlled in-mold hot cutting structure according to claim 1, characterized in that: A fixing frame (9) is fixedly connected to the top of the outer surface of the workbench (1), a first hydraulic cylinder (6) is fixedly installed at the middle end of the top of the inner cavity of the fixing frame (9), and an upper mold (7) is fixedly installed at the output end of the first hydraulic cylinder (6).

3. The chip-controlled in-mold hot cutting structure according to claim 2, characterized in that: Guide plates (5) are fixedly connected to both sides of the upper mold (7), and the middle end of the guide plate (5) is movably connected to a guide rod (4), and the top of the guide rod (4) is fixedly connected to the top of the inner cavity of the fixing frame (9).

4. The chip-controlled in-mold hot cutting structure according to claim 2, characterized in that: A dual-axis motor (11) is fixedly mounted at the middle end of the top of the outer surface of the fixing frame (9), and screws (12) are fixedly mounted on both sides of the output end of the dual-axis motor (11). The surface of the screw (12) is movably connected to a support plate (13) via a bearing, and the bottom of the support plate (13) is fixedly connected to the top of the outer surface of the fixing frame (9). The surface of the screw (12) is threadedly connected to an L-shaped clamping plate (8), and both ends of the top of the fixing frame (9) are fixedly connected to a sliding rod (10), and the upper end of the L-shaped clamping plate (8) is movably connected to the surface of the sliding rod (10).

5. The chip-controlled in-mold hot cutting structure according to claim 1, characterized in that: A display screen is fixedly mounted on the upper end of the central controller (2), and a control chip is arranged inside the central controller (2).

6. The chip-controlled in-mold hot cutting structure according to claim 1, characterized in that: The middle end of the left side of the lower mold (3) is movably connected to a limiting rod (15), the number of the limiting rods (15) is two, and the right side of the limiting rod (15) is fixedly connected to the left side of the L-shaped baffle (21).

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