Triangular pen point forming die

Abstract

The utility model discloses a pen point forming mold which comprises a first mold plate, second mold plates stacked below the first mold plate, third mold plates stacked below the second mold plates, fourth mold plates stacked below the third mold plates, fifth mold plates stacked below the fourth mold plates and sixth mold plates arranged below the fifth mold plates. A top plate group capable of moving up and down is arranged between the fifth template and the sixth template, and a movement space for the top plate group to move is formed between the fifth template and the sixth template; a first panel is arranged between the first template and the second template, a second panel is arranged between the third template and the fourth template, the first panel is provided with a material port, the second template is provided with a first die cavity communicated with the material port, and the third template is provided with a second die cavity communicated with the first die cavity. The second panel is provided with a die hole communicated with the second die cavity, and the fourth template is provided with a third die cavity communicated with the die hole; the ejector plate set is connected with an ejector pin which sequentially penetrates through the fifth die plate and the fourth die plate.

Description

Technical Field

[0001] The utility model relates to the field of injection molds, in particular to a triangular pen tip molding mold. Background Art

[0002] Plastic pen tips are generally manufactured through injection molds, which have complex structures and high manufacturing costs. Summary of the Invention

[0003] The utility model aims to provide a triangular pen tip forming mould, which has a simple structure and is easy to process and assemble.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is: a pen tip forming mold, comprising a first template, a second template superimposed below the first template, a third template superimposed below most of the second templates, a fourth template superimposed below the third template, a fifth template superimposed below the fourth template, a sixth template arranged below the fifth template, a top plate group that can move up and down is arranged between the fifth template and the sixth template, and a movement space for the top plate group to move between the fifth template and the sixth template; a first panel is arranged between the first template and the second template, a second panel is arranged between the third template and the fourth template, the first panel is provided with a material port, the second template is provided with a first mold cavity connected to the material port, the third template is provided with a second mold cavity connected to the first mold cavity, the second panel is provided with a mold hole connected to the second mold cavity, and the fourth template is provided with a third mold cavity connected to the mold hole; the top plate group is connected to an ejector pin, and the ejector pin passes through the fifth template and the fourth template in sequence.

[0005] Compared with the prior art, the advantages of the present invention are as follows: by dividing the mold into the first to sixth templates and connecting them in an overlapping manner, the overall structure of the mold is simplified, the design complexity of the mold is reduced, the manufacturing and assembly process of the mold is simpler, and the assembly time and cost are reduced. The precise matching design of the material inlet, the first mold cavity, the second mold cavity and the mold hole ensures the dimensional accuracy of the pen tip during the molding process and improves the molding efficiency. The connection design between the mold hole and the third mold cavity ensures the uniform distribution of the material and reduces the defective product rate. The mold design is flexible and can adapt to the production of pen tips of different specifications by adjusting the distance between each template and the mold cavity size, thereby improving the flexibility and adaptability of the production line. The independent design of the first panel and the second panel facilitates processing and subsequent maintenance, reducing the cost of replacing the entire mold due to local wear or damage to the mold. The detachable connection design of the top plate group and the ejector pin makes the cleaning and maintenance of the mold easier and extends the service life of the mold.

[0006] In some embodiments of the present invention, the first template is provided with a first groove, the second template is provided with a second groove, the first groove and the second groove are combined to form a first accommodating space, and the first panel is arranged in the first accommodating space.

[0007] In some embodiments of the present invention, the first panel is detachably connected to the first template.

[0008] In some embodiments of the present invention, the third template is provided with a third groove, and the second panel is embedded in the third groove.

[0009] In some embodiments of the present invention, the second panel is detachably connected to the third template.

[0010] In some embodiments of the present invention, a booster plate is further provided between the top plate group and the sixth template. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0012] Figure 2 This is a cross-sectional view of the utility model.

[0013] In the figure: 1. First template; 2. Second template; 3. Third template; 4. Fourth template; 5. Fifth template; 6. Sixth template; 7. Top plate assembly; 8. First panel; 9. Second panel; 10. Material inlet; 11. First mold cavity; 12. Second mold cavity; 13. Mold hole; 14. Third mold cavity; 15. Ejector pin; 16. First groove; 17. Second groove; 18. First accommodating space; 19. Third groove; 20. Booster plate. DETAILED DESCRIPTION

[0014] The present invention will be further described below in conjunction with specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0015] In the description of the present invention, it should be noted that, for directional words, such as the terms "center", "horizontal", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and so on, indicating directions and positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and cannot be understood as limiting the specific scope of protection of the present invention.

[0016] It should be noted that the terms "first", "second", etc. in the description and claims of the present utility model are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0017] The terms "including" and "having" and any variations thereof in the description and claims of the present invention are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus that includes a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.

[0018] like Figure 1-Figure 2 As shown, a pen tip forming mold includes a first template 1, a second template 2 is superimposed below the first template 1, a third template 3 is superimposed below the second template 2, a fourth template 4 is superimposed below the third template 3, a fifth template 5 is superimposed below the fourth template 4, a sixth template 6 is arranged below the fifth template 5, a top plate group 7 that can move up and down is arranged between the fifth template 5 and the sixth template 6, and there is a movement space for the top plate group 7 to move between the fifth template 5 and the sixth template 6; a first panel 8 is arranged between the first template 1 and the second template 2, a second panel 9 is arranged between the third template 3 and the fourth template 4, the first panel 8 is provided with a material port 10, the second template 2 is provided with a first mold cavity 11 connected to the material port 10, the third template 3 is provided with a second mold cavity 12 connected to the first mold cavity 11, the second panel 9 is provided with a mold hole 13 connected to the second mold cavity 12, and the fourth template 4 is provided with a third mold cavity 14 connected to the mold hole 13; the top plate group 7 is connected to the ejector pin 15, and the ejector pin 15 passes through the fifth template 5 and the fourth template 4 in sequence.

[0019] In the above structure: by dividing the mold into the first to sixth templates 6 and connecting them in an overlapping manner, the overall structure of the mold is simplified, the design complexity of the mold is reduced, the manufacturing and assembly process of the mold is simpler, and the assembly time and cost are reduced. The precise matching design of the material port 10, the first mold cavity 11, the second mold cavity 12 and the mold hole 13 ensures the dimensional accuracy of the pen tip during the molding process and improves the molding efficiency. The connection design of the mold hole 13 and the third mold cavity 14 ensures the uniform distribution of the material and reduces the defective product rate. The mold design is flexible and can adapt to the production of pen tips of different specifications by adjusting the distance between each template and the mold cavity size, thereby improving the flexibility and adaptability of the production line. The independent design of the first panel 8 and the second panel 9 facilitates processing and subsequent maintenance, reducing the cost of replacing the entire mold due to local wear or damage to the mold. The detachable connection design of the top plate group 7 and the ejector pin 15 makes the cleaning and maintenance of the mold easier and extends the service life of the mold.

[0020] Specifically, the first template 1 is provided with a first groove 16 , and the second template 2 is provided with a second groove 17 . The first groove 16 and the second groove 17 are combined to form a first accommodating space 18 , and the first panel 8 is disposed in the first accommodating space 18 .

[0021] Specifically, the first panel 8 is detachably connected to the first template 1 .

[0022] Specifically, the third template 3 is provided with a third groove 19 , and the second panel 9 is embedded in the third groove 19 .

[0023] Specifically, the second panel 9 is detachably connected to the third template 3 .

[0024] Specifically, a booster plate 20 is further provided between the top plate group 7 and the sixth template 6 .

[0025] The above describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and description merely illustrate the principles of the present invention. Various changes and improvements are possible without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed for the present invention is defined by the appended claims and their equivalents.

Claims

1. A pen tip forming mold, characterized by: The present invention comprises a first template, a second template is superimposed below the first template, a third template is superimposed below the second template, a fourth template is superimposed below the third template, a fifth template is superimposed below the fourth template, a sixth template is arranged below the fifth template, a top plate group that can move up and down is arranged between the fifth template and the sixth template, and a movement space for the top plate group to move is provided between the fifth template and the sixth template; a first panel is arranged between the first template and the second template, a second panel is arranged between the third template and the fourth template, the first panel is provided with a material port, the second template is provided with a first mold cavity connected to the material port, the third template is provided with a second mold cavity connected to the first mold cavity, the second panel is provided with a mold hole connected to the second mold cavity, and the fourth template is provided with a third mold cavity connected to the mold hole; the top plate group is connected to an ejector pin, and the ejector pin passes through the fifth template and the fourth template in sequence.

2. The pen tip forming mold according to claim 1, characterized in that: The first template is provided with a first groove, the second template is provided with a second groove, the first groove and the second groove are combined to form a first accommodating space, and the first panel is arranged in the first accommodating space.

3. The pen tip forming mold according to claim 2, characterized in that: The first panel is detachably connected to the first template.

4. The pen tip forming mold according to claim 3, characterized in that: The third template is provided with a third groove, and the second panel is embedded in the third groove.

5. The pen tip forming mold according to claim 4, characterized in that: The second panel is detachably connected to the third template.

6. The pen tip forming mold according to claim 5, characterized in that: A booster plate is further provided between the top plate group and the sixth template.

Images