Rapid forming die for automobile sealing strip production

Abstract

The utility model discloses a rapid forming mould for automobile sealing strip production, which comprises an upper mould and a lower mould, the bottom of the upper mould is fixedly connected with an upper fixing edge, the upper fixing edge is provided with a positioning hole, the right side wall of the upper mould is fixedly connected with a water inlet pipe, the upper mould is internally provided with an upper cooling water channel, and the lower mould is provided with a lower cooling water channel. The top of the lower die is fixedly connected with a lower fixing edge, the top of the lower fixing edge is fixedly connected with a positioning column, and a lower cooling water channel is arranged in the lower die. By means of the structure, the upper die and the lower die are aligned through the positioning columns and the positioning holes, then the electric rod is started, the electric rod extends and jacks one end of the pressing block above, the other end of the pressing block moves downwards, and therefore the upper fixing edge and the lower fixing edge are tightly fixed together, the structure is simple, dismounting and mounting are very convenient, and practicability is high. And the sealing performance between the upper mold and the lower mold is not influenced after long-time use.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile sealing strip production, in particular to a rapid prototyping die for automobile sealing strip production. Background Art

[0002] Automobile sealing strips have the function of filling various intervals and gaps between the components of the car body. They have the functions of shock absorption, waterproofing, dustproofing, sound insulation, decoration, etc., which can improve the comfort of driving experience and protect the car body. In the production process of automobile sealing strips, molding molds are needed. In the existing automobile sealing strip molding molds, the molds are generally divided into two pieces, which are fixed with bolts. The sealing strips are formed by injection molding the mold cavity between the molds.

[0003] However, bolt fixing is very inconvenient during disassembly and installation, and long-term loosening and closing can easily lead to thread slippage in the screw holes, reducing the sealing of the mold. In addition, during the injection molding process, the temperature inside the mold rises and is difficult to discharge, reducing the molding efficiency. Utility Model Content

[0004] The utility model aims to provide a rapid prototyping mold for producing automobile sealing strips. The upper mold and the lower mold are aligned through the positioning column and the positioning hole, and then the electric rod is started. The electric rod is extended and one end of the upper pressing block is lifted, and the other end of the pressing block is moved downward, so that the upper fixed edge and the lower fixed edge are tightly fixed together. The structure is simple and the disassembly and assembly are very convenient. Moreover, the sealing between the upper and lower molds will not be affected by long-term use. An upper cooling water channel is arranged inside the upper mold, and a lower cooling water channel is arranged inside the lower mold. During the injection molding process, the cooling water is used to quickly cool the inside of the mold, thereby improving the forming efficiency of the sealing strip.

[0005] To achieve the above-mentioned purpose, a rapid prototyping mold for producing automobile sealing strips is provided, comprising: an upper mold and a lower mold, wherein the bottom of the upper mold is fixedly connected with an upper fixed edge, a positioning hole is arranged on the upper fixed edge, a water inlet pipe is fixedly connected to the right side wall of the upper mold, an upper cooling water channel is arranged inside the upper mold, a lower fixed edge is fixedly connected to the top of the lower mold, a positioning column is fixedly connected to the top of the lower fixed edge, a lower cooling water channel is arranged inside the lower mold, a water outlet pipe is fixedly connected to the left side wall of the lower mold, and a fixing assembly is arranged on the sides around the lower fixed edge, wherein the fixing assembly comprises a fixing block, a side plate, a rotating shaft, a pressing block, an electric rod and a top head, the left side wall of the fixing block is fixedly connected to the lower fixed edge, the front and rear side walls of the fixing block are fixedly connected with side plates, the number of the side plates is set to two and symmetrically distributed, a rotating shaft is fixedly connected between the two side plates, a pressing block is rotatably connected to the circumferential surface of the rotating shaft, the top of the fixing block is fixedly connected with an electric rod, and the top of the electric rod is fixedly connected with a top head.

[0006] According to the rapid prototyping mold for producing automobile sealing strips, a plurality of positioning holes are provided and are evenly distributed at the four corners of the upper fixed edge.

[0007] According to the rapid prototyping mold for producing automobile sealing strips, the number of the positioning columns is multiple and evenly distributed at the four corners of the lower fixed edge, and the positioning columns are arranged corresponding to the positioning holes.

[0008] According to the rapid prototyping mold for producing automobile sealing strips, the number of the fixing components is multiple and evenly distributed on the side walls around the lower fixing edge.

[0009] According to the rapid prototyping mold for producing automobile sealing strips, the upper cooling water channel and the lower cooling water channel are arranged correspondingly up and down and are interconnected.

[0010] According to the rapid prototyping mold for producing automobile sealing strips, the pressing block is located above the upper fixed edge, and the electric rod and the top are located below the pressing block.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. By setting the upper mold, the upper fixed edge, the positioning hole, the lower mold, the lower fixed edge, the positioning column, the fixed block, the side plate, the rotating shaft, the pressing block, the electric rod and the ejector, the upper mold and the lower mold are aligned through the positioning column and the positioning hole, and then the electric rod is started, the electric rod extends and lifts one end of the upper pressing block, and the other end of the pressing block moves downward, so that the upper fixed edge and the lower fixed edge are tightly fixed together. The structure is simple, and the disassembly and assembly are very convenient, and the sealing between the upper and lower molds will not be affected by long-term use;

[0013] 2. By setting up an inlet pipe, an upper cooling water channel, a lower cooling water channel and an outlet pipe, an upper cooling water channel is set inside the upper mold, and a lower cooling water channel is set inside the lower mold. During the injection molding process, cooling water is used to quickly cool down the inside of the mold, thereby improving the forming efficiency of the sealing strip.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a front view of a rapid prototyping mold for producing automobile sealing strips according to the utility model;

[0017] Figure 2This is a cross-sectional view of an upper mold of a rapid prototyping mold for producing automobile sealing strips of the utility model;

[0018] Figure 3 This is a cross-sectional view of a lower mold of a rapid prototyping mold for producing an automobile sealing strip according to the utility model;

[0019] Figure 4 The utility model is a structural diagram of a fixed component of a rapid prototyping mold for producing automobile sealing strips.

[0020] In the figure: 1. upper mold; 2. upper fixed edge; 3. positioning hole; 4. water inlet pipe; 5. upper cooling water channel; 6. lower mold; 7. lower fixed edge; 8. positioning column; 9. lower cooling water channel; 10. water outlet pipe; 11. fixing block; 12. side plate; 13. rotating shaft; 14. pressing block; 15. electric rod; 16. ejector. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4 The utility model provides a technical solution: a rapid prototyping mold for producing automobile sealing strips, comprising: an upper mold 1 and a lower mold 6, the bottom of the upper mold 1 is fixedly connected with an upper fixed edge 2, the upper fixed edge 2 is provided with positioning holes 3, the number of positioning holes 3 is set in multiples, and is evenly distributed at the four corners of the upper fixed edge 2, the right side wall of the upper mold 1 is fixedly connected with a water inlet pipe 4, the interior of the upper mold 1 is provided with an upper cooling water channel 5, the top of the lower mold 6 is fixedly connected with a lower fixed edge 7, the top of the lower fixed edge 7 is fixedly connected with a positioning column 8, the number of positioning columns 8 is set in multiples, and is evenly distributed at the four corners of the lower fixed edge 7 angular position, the positioning column 8 is arranged corresponding to the positioning hole 3, which is used to limit the upper mold 1 and the lower mold 6 so that the upper mold 1 and the lower mold 6 are aligned up and down. A lower cooling water channel 9 is arranged inside the lower mold 6, and a water outlet pipe 10 is fixedly connected to the left side wall of the lower mold 6. The upper cooling water channel 5 and the lower cooling water channel 9 are arranged correspondingly up and down and are interconnected. The water inlet pipe 4 and the water outlet pipe 10 are both connected to the external cooling system. During the injection molding process, cooling water is injected into the water inlet pipe 4, and the cooling water flows through the upper cooling water channel 5 and the lower cooling water channel 9 and is discharged from the water outlet pipe 10, while the heat inside the mold is discharged, thereby improving the molding efficiency of the sealing strip.

[0023] The lower fixed edge 7 is provided with a fixing assembly on the sides thereof. The number of the fixing assemblies is multiple and evenly distributed on the side walls thereof. The fixing assembly includes a fixing block 11, a side plate 12, a rotating shaft 13, a pressing block 14, an electric rod 15 and a top 16. The left side wall of the fixing block 11 is fixedly connected to the lower fixed edge 7. The front and rear side walls of the fixing block 11 are fixedly connected with the side plates 12. The number of the side plates 12 is two and symmetrically distributed. The rotating shaft 13 is fixedly connected between the two side plates 12. The circumference of the rotating shaft 13 is A pressing block 14 is rotatably connected on the surface, an electric rod 15 is fixedly connected to the top of the fixed block 11, and a top head 16 is fixedly connected to the top of the electric rod 15. The pressing block 14 is located above the upper fixed edge 2, and the electric rod 15 and the top head 16 are located below the pressing block 14. When the upper mold 1 and the lower mold 6 are aligned, the electric rod 15 is started to push the top head 16 upward, thereby lifting one end of the pressing block 14, and the other end of the pressing block 14 is moved downward and presses the upper fixed edge 2, thereby fixing the upper mold 1 and the lower mold 6 to facilitate the injection molding of the sealing strip.

[0024] Working principle: align the upper mold 1 and the lower mold 6 up and down, the positioning column 8 is located in the positioning hole 3, and then start the electric rod 15 to push the top head 16 upward, thereby lifting one end of the pressure block 14, and the other end of the pressure block 14 moves downward and compresses the upper fixed edge 2, so as to fix the upper mold 1 and the lower mold 6, which is convenient for the injection molding of the sealing strip. After the injection molding is completed, cooling water is injected into the water inlet pipe 4, and the cooling water flows through the upper cooling water channel 5 and the lower cooling water channel 9 and is discharged from the water outlet pipe 10. At the same time, the heat inside the mold is discharged, thereby improving the molding efficiency of the sealing strip. When disassembly is required, only the electric rod 15 needs to be retracted, and the pressure block 14 will release the pressure on the upper fixed edge 2, so that the upper mold 1 can be separated from the lower mold 6.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A rapid prototyping mold for producing automobile sealing strips, comprising: The upper mold (1) and the lower mold (6) are characterized in that the bottom of the upper mold (1) is fixedly connected to an upper fixed edge (2), a positioning hole (3) is provided on the upper fixed edge (2), a water inlet pipe (4) is fixedly connected to the right side wall of the upper mold (1), an upper cooling water channel (5) is provided inside the upper mold (1), the top of the lower mold (6) is fixedly connected to a lower fixed edge (7), a positioning column (8) is fixedly connected to the top of the lower fixed edge (7), a lower cooling water channel (9) is provided inside the lower mold (6), a water outlet pipe (10) is fixedly connected to the left side wall of the lower mold (6), and fixed holes (11) are provided on the sides of the lower fixed edge (7). The fixed assembly comprises a fixed block (11), a side plate (12), a rotating shaft (13), a pressure block (14), an electric rod (15) and a top head (16); the left side wall of the fixed block (11) is fixedly connected to the lower fixed edge (7); the front and rear side walls of the fixed block (11) are fixedly connected to the side plates (12); the number of the side plates (12) is two and they are symmetrically distributed; the rotating shaft (13) is fixedly connected between the two side plates (12); the pressure block (14) is rotatably connected to the circumferential surface of the rotating shaft (13); the top of the fixed block (11) is fixedly connected to the electric rod (15); the top of the electric rod (15) is fixedly connected to the top head (16).

2. A rapid prototyping mold for producing automotive sealing strips as claimed in claim 1, characterized in that: The number of the positioning holes (3) is multiple and evenly distributed at the four corners of the upper fixed edge (2).

3. The rapid prototyping mold for producing automobile sealing strips according to claim 1, characterized in that: The number of the positioning columns (8) is multiple and evenly distributed at the four corners of the lower fixed edge (7), and the positioning columns (8) are arranged corresponding to the positioning holes (3).

4. A rapid prototyping mold for producing automotive sealing strips as claimed in claim 1, characterized in that: There are a plurality of fixing components, which are evenly distributed on the surrounding side walls of the lower fixing edge (7).

5. The rapid prototyping mold for producing automobile sealing strips according to claim 1, characterized in that: The upper cooling water channel (5) and the lower cooling water channel (9) are arranged correspondingly up and down and are interconnected.

6. The rapid prototyping mold for producing automobile sealing strips according to claim 1, characterized in that: The pressing block (14) is located above the upper fixed edge (2), and the electric rod (15) and the top head (16) are located below the pressing block (14).

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