Product mold with T-shaped structure

Abstract

The utility model belongs to the field of die design, and provides a product die with a T-shaped structure, which comprises an upper die plate, an upper die core, a lower die plate, a lower die core, a first forming block, a second forming block, a first pull rod and a second pull rod, when the first pull rod and the second pull rod move upwards, the first forming block and the second forming block are driven to move towards the two sides along the clamping groove through the T-shaped sliding block and the T-shaped sliding groove, and therefore the T-shaped structure of the formed injection product is separated. When the first pull rod and the second pull rod move upwards, the first forming block and the second forming block are driven to move towards the two sides along the clamping groove through the T-shaped sliding block and the T-shaped sliding groove, and therefore the T-shaped structure of the formed injection product is separated. According to the structural design, a T-shaped structure on the surface of an injection molding product can be formed, meanwhile, rapid demolding can be achieved, the process requirement is met, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of mold design, in particular to a product mold with a T-shaped structure. Background Art

[0002] As an efficient production method, injection molding technology is widely used in the manufacturing process of plastic products. With the continuous advancement of industrial technology and the diversification of market demand, the structure of injection molded products is becoming increasingly complex, which puts higher requirements on the design and manufacture of molds. Traditional injection molds mostly use fixed molding block structures, which to a certain extent limits the molding and demoulding efficiency of complex structures, especially for products with complex T-shaped structures. Traditional molds are prone to damage the product surface or cause mold damage during the demoulding process.

[0003] Due to its special geometric shape, the T-shaped structure is usually used to improve the assembly firmness of the product or increase the strength of the joint. The molding and demoulding of this structure put forward strict requirements on the mold. In particular, during the demoulding process, the traditional mold design is difficult to avoid interference with the T-shaped structure, resulting in demoulding difficulties, low production efficiency and unstable quality of finished products. Utility Model Content

[0004] The utility model discloses a product mold with a T-shaped structure, which is used to solve relevant technical problems in the background technology.

[0005] The technical solution provided by the utility model is as follows: a product mold with a T-shaped structure, comprising: a top plate, an upper mold plate, an upper mold core, a lower mold plate, a lower mold core, a support plate, an ejector plate, a bottom plate, and an ejector;

[0006] A first molding cavity is provided between the upper mold core and the lower mold core for molding the plane part of the injection molded product;

[0007] An active cavity is provided in the upper mold core, and slots are provided inwardly on both the front and rear side walls of the active cavity, and a first molding block and a second molding block are placed in the active cavity, and the first molding block and the second molding block are both provided in the slots through protrusions; the ends of the first molding block and the second molding block are both flush with the molding wall of the upper mold core, and the ends are provided with a second molding cavity inwardly; the first molding block and the second molding block are fitted together, and the two second molding cavities are fitted together, so as to form a T-shaped structure on the plane part of the injection molded product;

[0008] The first forming block and the second forming block are both provided with inclined T-shaped slide grooves, the top plate is connected with the first pull rod and the second pull rod, the first pull rod and the second pull rod are provided with inclined T-shaped sliders, the first pull rod and the second pull rod pass through the upper template, and are respectively slidably connected with the T-shaped slide grooves in the first forming block and the second forming block through the T-shaped sliders;

[0009] When the first pull rod and the second pull rod move upward, the first molding block and the second molding block are driven to move to both sides along the slot through the T-shaped slider and the T-shaped slot, thereby separating from the T-shaped structure of the molded injection product.

[0010] Furthermore, the upper template has a movable groove for the first pull rod and the second pull rod to move up and down, and a blocking block is provided in the movable groove. The blocking block is above the first forming block and the second forming block to prevent them from moving upward.

[0011] Furthermore, the two T-shaped slides are designed in an "eight" shape.

[0012] Furthermore, the ejector plate is between the two support plates, the ejector is on the ejector plate, and the ejector passes through the lower mold plate and the lower mold core to eject the injection molded product.

[0013] Furthermore, a countersunk hole is opened in the upper template, and a screw is connected in the countersunk hole. One end of the screw passes through the countersunk hole and is connected to the top plate, and the other end of the screw is movable in the countersunk hole. There is a movable gap between the nut end of the screw and the countersunk hole; when the top plate moves upward and the nut interferes with the countersunk hole, the upper template and the upper mold core are driven to move upward together.

[0014] Furthermore, an installation cavity is opened in the top plate, and a spring is arranged in the installation cavity. The spring is sleeved outside the screw, and two ends of the spring are respectively connected to the top plate and the upper template.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model has a product mold with a T-shaped structure. When the first pull rod and the second pull rod move upward, the first molding block and the second molding block are driven to move to both sides along the slot through the T-shaped slider and the T-shaped slot, thereby separating from the T-shaped structure of the molded injection product. This structural design can not only form the T-shaped structure on the surface of the molded injection product, but also realize rapid demoulding, which not only meets the process requirements but also improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the mold of the utility model product;

[0018] Figure 2 It is a half-cut three-dimensional schematic diagram of the mold of the utility model product;

[0019] Figure 3 This is a cross-sectional view of the countersunk hole, screw, mounting cavity, and spring in the utility model;

[0020] Figure 4 It is a partial enlarged cross-sectional view of the first forming block, the second forming block, the first tie rod and the second tie rod in the utility model;

[0021] Figure 5It is a structural schematic diagram of the first forming block and the first pull rod in the utility model;

[0022] Figure 6 This is a cross-sectional view of the upper mold plate and the upper mold core of the utility model;

[0023] Figure 7 It is a structural schematic diagram of the injection molding product in the utility model.

[0024] The accompanying drawings are marked as follows: 1. top plate; 2. upper template; 3. upper mold core; 4. lower template; 5. lower mold core; 6. support plate; 7. ejector plate; 8. bottom plate; 9. ejector; 10. first molding cavity; 11. movable cavity; 12. slot; 13. first molding block; 14. second molding block; 15. protrusion; 16. second molding cavity; 17. T-shaped slide groove; 18. first pull rod; 19. second pull rod; 20. T-shaped slide block; 21. movable groove; 22. blocking block; 23. countersunk hole; 24. screw; 25. mounting cavity; 26. spring. DETAILED DESCRIPTION

[0025] The present invention is described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the present invention, but are not intended to limit the present invention in any form. It should be noted that, for those of ordinary skill in the art, several changes and improvements can also be made without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0026] like Figure 1-7As shown, the utility model is a product mold with a T-shaped structure, including: a top plate 1, an upper mold plate 2, an upper mold core 3, a lower mold plate 4, a lower mold core 5, a support plate 6, an ejector plate 7, a bottom plate 8, and an ejector 9; the upper mold core 3 is connected to the upper mold plate 2, and the lower mold core 5 is connected to the lower mold plate 4. When the mold is closed, a first molding cavity 10 is formed between the upper mold core 3 and the lower mold core 5 for molding the plane part of the injection molded product; an active cavity 11 is provided in the upper mold core 3, and both the front and rear side walls of the active cavity 11 are provided inwardly The first molding block 13 and the second molding block 14 are placed in the movable cavity 11, and the first molding block 13 and the second molding block 14 are both clamped in the slot 12 by the protrusion 15; the first molding block 13 and the second molding block 14 can move left and right in the slot 12 with the protrusion 15; the bottom of the first molding block 13 and the second molding block 14 are flush with the molding wall in the upper mold core 3, and the end thereof is used to mold the plane part of the injection molded product; the first molding block 13 and the second molding block 14 are arranged on the upper mold core 3 ... The bottom of the second molding block 14 is provided with a second molding cavity 16 inwardly; when the first molding block 13 and the second molding block 14 are fitted together, the two second molding cavities 16 are connected and fitted together, and are used to form the T-shaped structure part on the plane part of the injection molded product; the first molding block 13 and the second molding block 14 are provided with an inclined T-shaped slide groove 17, the top plate 1 is connected with a first pull rod 18 and a second pull rod 19, and the first pull rod 18 and the second pull rod 19 have an inclined T-shaped slider 20, the first pull rod 18 and the second pull rod 19 pass through the upper template 2, and are slidably connected to the T-shaped slide groove 17 in the first molding block 13 and the second molding block 14 through the T-shaped slider 20 respectively; when the first pull rod 18 and the second pull rod 19 move upward, the first molding block 13 and the second molding block 14 are driven to move to both sides along the slot 12 through the T-shaped slider 20 and the T-shaped slide groove 17, thereby disengaging from the T-shaped structure of the injection molded product. The structural design of this embodiment can not only form a T-shaped structure on the surface of the injection-molded product, but also achieve rapid demoulding, which not only meets the process requirements but also improves production efficiency.

[0027] In this embodiment, a countersunk hole 23 is provided in the upper template 2, and a screw 24 is connected in the countersunk hole 23. One end of the screw 24 passes through the countersunk hole 23 and is connected to the top plate 1, and the other end of the screw 24 is movable in the countersunk hole 23. There is a movable gap between the nut end of the screw 24 and the countersunk hole 23; when the mold is opened, the top plate 1 moves upward, and the nut moves upward accordingly. When the nut interferes with the countersunk hole 23, the upper template 2 and the upper mold core 3 are driven to move upward together; by setting the screw 24 and the countersunk hole 23, when demolding, the top plate 1 drives the first pull rod 18 and the second pull rod 19 to act first, so that the first molding block 13 and the second molding block 14 move to both sides in the movable cavity 11 first, and after demolding is achieved, the upper template 2 and the upper mold core 3 are driven to rise by the screw 24 for demolding.

[0028] Furthermore, a mounting cavity 25 is provided in the top plate 1, and a spring 26 is provided in the mounting cavity 25. The spring 26 is sleeved outside the screw 24, and its two ends are respectively connected to the top plate 1 and the upper mold plate 2. When the top plate 1 moves upward first, the spring 26 opens and presses against the upper mold plate 2 to prevent the upper mold plate 2 from moving upward together. When the nut interferes with the countersunk hole 23, the upper mold plate 2 and the upper mold core 3 are driven to move upward together.

[0029] In this embodiment, the two T-shaped slide grooves 17 are designed in an "eight" shape. When the first pull rod 18 and the second pull rod 19 move upward, the inclined T-shaped slider 20 slides in the T-shaped slide groove 17, driving the first molding block 13 and the second molding block 14 to move to both sides to achieve demolding; when the first pull rod 18 and the second pull rod 19 move downward, the inclined T-shaped slider 20 slides in the T-shaped slide groove 17, driving the first molding block 13 and the second molding block 14 to move inward to achieve mold closing.

[0030] Furthermore, the upper template 2 has a movable groove 21 for the first pull rod 18 and the second pull rod 19 to move up and down, and a blocking block 22 is provided in the movable groove 21. The blocking block 22 is above the first molding block 13 and the second molding block 14 to prevent them from moving upward.

[0031] In this embodiment, the ejector plate 7 is between the two support plates 6, and the ejector pin 9 is on the ejector plate 7; when the upper mold plate 2 and the upper mold core 3 are completely demolded, the ejector pin 9 passes through the lower mold plate 4 and the lower mold core 5 to eject the injection molded product.

[0032] Working principle: When the mold is opened, the top plate 1 drives the first tie rod 18 and the second tie rod 19 to move first. When the first tie rod 18 and the second tie rod 19 move upward, the first forming block 13 and the second forming block 14 are driven to move to both sides along the card slot 12 through the T-shaped slider 20 and the T-shaped slide 17, thereby separating from the T-shaped structure of the molded injection product; after demoulding, the upper mold plate 2 and the upper mold core 3 are driven to rise through the screw 24 for demoulding; when the upper mold plate 2 and the upper mold core 3 are After the mold core 3 is completely demolded, the ejector pin 9 passes through the lower mold plate 4 and the lower mold core 5 to eject the injection molded product; when closing the mold, the top plate 1 moves downward, driving the first pull rod 18 and the second pull rod 19 to move downward, and through the T-shaped slider 20 and the T-shaped slide groove 17, driving the first molding block 13 and the second molding block 14 to move inward along the slot 12 to close the mold. When the upper mold plate 2, the upper mold core 3, the first molding block 13 and the second molding block 14 are completely closed, injection molding begins.

[0033] In this application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the utility model and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0034] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A product mold with a T-shaped structure, characterized in that: include: A top plate (1), an upper mold plate (2), an upper mold core (3), a lower mold plate (4), a lower mold core (5), a support plate (6), an ejector plate (7), a bottom plate (8), and an ejector (9); A first molding cavity (10) is provided between the upper mold core (3) and the lower mold core (5) for molding a plane portion of an injection molded product; An active cavity (11) is provided in the upper mold core (3), and a clamping groove (12) is provided inwardly on both the front and rear side walls of the active cavity (11), and a first molding block (13) and a second molding block (14) are placed in the active cavity (11), and the first molding block (13) and the second molding block (14) are clamped in the clamping groove (12) via protrusions (15); the ends of the first molding block (13) and the second molding block (14) are flush with the molding wall of the upper mold core (3), and the ends are provided with a second molding cavity (16) inwardly; the first molding block (13) and the second molding block (14) are fitted together, and the two second molding cavities (16) are fitted together, so as to form a T-shaped structure on the plane part of the injection molded product; The first forming block (13) and the second forming block (14) are both provided with an inclined T-shaped slide groove (17); the top plate (1) is connected with a first pull rod (18) and a second pull rod (19); the first pull rod (18) and the second pull rod (19) are provided with an inclined T-shaped slider (20); the first pull rod (18) and the second pull rod (19) pass through the upper template (2) and are slidably connected to the T-shaped slide groove (17) in the first forming block (13) and the second forming block (14) through the T-shaped slider (20); When the first pull rod (18) and the second pull rod (19) move upward, the first molding block (13) and the second molding block (14) are driven to move to both sides along the slot (12) through the T-shaped slider (20) and the T-shaped slide groove (17), thereby separating from the T-shaped structure of the molded injection product.

2. A product mold with a T-shaped structure as claimed in claim 1, characterized in that: The upper mold plate (2) has a movable groove (21) for the first pull rod (18) and the second pull rod (19) to move up and down, and a blocking block (22) is provided in the movable groove (21). The blocking block (22) is above the first forming block (13) and the second forming block (14) to prevent them from moving upward.

3. A product mold with a T-shaped structure as claimed in claim 1, characterized in that: The two T-shaped slide grooves (17) are designed in an "eight" shape.

4. A product mold with a T-shaped structure as claimed in claim 1, characterized in that: The ejector plate (7) is between the two support plates (6), the ejector pin (9) is on the ejector plate (7), and the ejector pin (9) passes through the lower mold plate (4) and the lower mold core (5) to eject the injection molded product.

5. A product mold with a T-shaped structure as claimed in claim 1, characterized in that: A countersunk hole (23) is provided in the upper template (2), and a screw (24) is connected in the countersunk hole (23). One end of the screw (24) passes through the countersunk hole (23) and is connected to the top plate (1), and the other end of the screw (24) is movable in the countersunk hole (23). There is a movable gap between the nut end of the screw (24) and the countersunk hole (23); when the top plate (1) moves upward and the nut interferes with the countersunk hole (23), the upper template (2) and the upper mold core (3) are driven to move upward together.

6. A product mold with a T-shaped structure as claimed in claim 5, characterized in that: The top plate (1) is provided with a mounting cavity (25), the mounting cavity (25) being provided with a spring (26), the spring (26) being sleeved on the outside of the screw (24), and having two ends thereof respectively connected to the top plate (1) and the upper template (2).

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