Injection mold convenient for heat dissipation and used for automobile fender production

Abstract

The utility model discloses an injection mold convenient for heat dissipation for automobile fender production, which belongs to the technical field of automobile fender production equipment and comprises a bottom plate, first supporting legs are arranged on the bottom surface of the bottom plate, supporting blocks, a lower mold and an upper mold are arranged above the bottom plate, guide columns are arranged on the top surface of the lower mold, a cooling cavity is arranged in the upper mold, and the first supporting legs are arranged on the first supporting legs. An exhaust hole is formed in the front face of the upper mold, a cavity is formed in the guide column, a first air hole is formed in the side wall of the guide column, a guide sleeve is installed on the upper mold, a second air hole is formed in the guide sleeve, the first air hole and the second air hole are communicated with the cooling cavity, and a fan is arranged on the top face of the bottom plate; a platform is arranged below the bottom plate, second supporting legs are arranged on the bottom face of the platform, a two-way lead screw is arranged on the top face of the platform and is in threaded connection with a moving seat, a supporting plate and a mounting plate are arranged on the top face of the moving seat, and a cooling pipe is arranged on the mounting plate. Air cooling and water cooling are matched, the cooling effect is improved, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile fender production equipment, in particular to an injection mold for automobile fender production which is convenient for heat dissipation. Background Art

[0002] The fender is a plate structure installed behind the outer frame of the wheel. It is usually made of high-quality rubber material, and engineering plastics are also used. When producing and processing automobile fenders, an injection mold is needed to perform injection molding on the automobile fenders. The heat dissipation effect of the existing injection mold is not good. Therefore, when producing and processing automobile fenders, the injection mold will generate a lot of heat during the injection molding process, making the entire mold in a heating state. After injection molding, the mold cannot be effectively and quickly dissipated, thereby affecting the processing efficiency of the automobile fender. When the operator outside the mold touches the mold, the heat generated by the mold will cause harm to the operator, bringing inconvenience to people's work. Utility Model Content

[0003] The utility model aims to provide an injection mold for automobile fender production that is easy to dissipate heat, so as to solve the problem that the mold cannot be effectively and quickly dissipated after injection molding, thereby affecting the processing efficiency of the automobile fender, and when an operator outside the mold touches the mold, the heat generated by the mold will cause harm to the operator.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model discloses an injection mold for heat dissipation for automobile fender production, comprising a bottom plate, a first supporting leg being arranged on the bottom surface of the bottom plate, a supporting block being arranged on the top surface of the bottom plate, a lower mold being arranged on the top surface of the supporting block, an upper mold being arranged above the lower mold, a guide column being arranged on the top surface of the lower mold, a guide sleeve matching the guide column being installed on the upper mold, a cooling cavity being arranged inside the upper mold, an exhaust hole being arranged in front of the upper mold, the exhaust hole being communicated with the cooling cavity, a cavity being arranged inside the guide column, a first air hole being arranged on the side wall of the guide column, and a first air hole being arranged on the guide sleeve. Two air holes, the positions of the first air hole and the second air hole correspond to each other and are connected with the cooling cavity, a fan is arranged on the top surface of the bottom plate, and the fan is connected with the cavity through a hose; a platform is arranged below the bottom plate, a second supporting leg is arranged on the bottom surface of the platform, a bidirectional screw is arranged on the top surface of the platform, a moving seat is threadedly connected on the square thread section of the bidirectional screw, a support plate is arranged on the top surface of the moving seat, a mounting plate is arranged on the top surface of the support plate, a cooling pipe is arranged on the mounting plate, the water inlet end of the cooling pipe is connected with an external water source, and the water outlet end of the cooling pipe is connected with a water recovery tank.

[0006] Furthermore, guide rods are arranged on the top surface of the platform and on the front and rear sides of the bidirectional lead screw, and the movable seat is slidably connected to the guide rods.

[0007] Furthermore, the cooling pipe is installed on the mounting plate through a pipe clamp.

[0008] Furthermore, the cooling pipe includes a plurality of straight pipes, and ends of two adjacent straight pipes are connected by an arc pipe.

[0009] Furthermore, the exposed end of the bidirectional lead screw is connected to a handle.

[0010] Furthermore, the cross section of the support plate is configured to be L-shaped.

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

[0012] The utility model improves the structure of an upper mold and a guide column, utilizes a fan to transport cold air into a cavity, the cold air enters into the cooling cavity through a first air hole and a second air hole to cool the upper mold, and the air absorbing heat is discharged through the exhaust hole; cooling pipes are arranged on the sides of the upper and lower molds, cooling water is introduced into the cooling pipes to cool the molds, and the cooling effect is improved through the coordination of air cooling and water cooling, the heat dissipation effect of the molds is improved, the heat dissipation time is shortened, the production efficiency is improved, and damage to the workers caused by high temperature is avoided; a two-way lead screw is utilized to drive the installation plate and the cooling pipe to move, the cooling pipe is kept away from the mold during injection molding, and the cooling pipe is kept close to the mold after injection molding, so that the high temperature during injection molding can be avoided from affecting the cooling pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model will be further described below in conjunction with the accompanying drawings.

[0014] Figure 1 This is a front view of the mold closing state of the injection mold for heat dissipation used in the production of the automobile fender of the utility model;

[0015] Figure 2 This is a front view of the mold opening state of the injection mold for heat dissipation used in the production of the automobile fender of the utility model;

[0016] Figure 3 A top view of an injection mold for heat dissipation used in the production of automobile fenders of the utility model (partial structure omitted)

[0017] Figure 4 It is a cross-sectional view of the utility model along the AA direction;

[0018] Figure 5 for Figure 4 Enlarged view of point B in the middle;

[0019] Figure 6 It is a three-dimensional structural schematic diagram of the bidirectional lead screw, the movable seat and the guide rod of the utility model;

[0020] Figure 7 It is a side view of the cooling pipe of the utility model.

[0021] Explanation of the accompanying drawings: 1. base plate; 2. support block; 3. lower mold; 4. upper mold; 401. cooling chamber; 402. exhaust hole; 5. guide column; 501. cavity; 502. first air hole; 6. first supporting leg; 7. platform; 8. second supporting leg; 9. bidirectional screw; 9-1. handle; 10. moving seat; 11. guide rod; 12. support plate; 13. mounting plate; 14. cooling pipe; 14-1. straight pipe; 14-2. arc pipe; 15. pipe clamp; 16. fan; 17. hose; 18. guide sleeve; 1801. second air hole. DETAILED DESCRIPTION

[0022] like Figure 1-7 As shown, an injection mold for heat dissipation for automobile fender production includes a bottom plate 1, the bottom surface of the bottom plate 1 is connected to four first support legs 6, the top surface of the bottom plate 1 is installed with two support blocks 2, the top surface of the support block 2 is installed with a lower mold 3, an upper mold 4 is arranged above the lower mold 3, a cooling cavity 401 is arranged inside the upper mold 4, an exhaust hole 402 is arranged in front of the upper mold 4, and the exhaust hole 402 is connected to the cooling cavity 401, a guide column 5 is installed on the top surface of the lower mold 3, a guide sleeve 18 matching the guide column 5 is installed on the upper mold 4, and the guide column 5 is arranged inside The cavity 501, the side wall of the guide column 5 is provided with a first air hole 502, the guide sleeve 18 is provided with a second air hole 1801, the positions of the first air hole 502 and the second air hole 1801 correspond to each other and are connected with the cooling cavity 401, the top surface of the bottom plate 1 is installed with a fan 16, and the fan 16 is connected with the cavity 501 through a hose 17; when in use, the fan 16 is started, and the fan 16 is transported into the cavity 501 through the hose 17, and enters the cooling cavity 401 through the first air hole 502 and the second air hole 1801, so as to cool the upper mold 4, and the air that absorbs heat is discharged through the exhaust hole 402.

[0023] A platform 7 is provided below the base plate 1, and two second supporting legs 8 are connected to the bottom surface of the platform 7. Figure 6As shown, the top surface of the platform 7 is rotatably connected with a bidirectional lead screw 9, and the exposed end of the bidirectional lead screw 9 is connected with a handle 9-1. A moving seat 10 is threadedly connected to the square threaded section of the bidirectional lead screw 9. A guide rod 11 is arranged on the top surface of the platform 7 and on the front and rear sides of the bidirectional lead screw 9. A through hole matching the guide rod 11 is opened on the moving seat 10, and the guide rod 11 passes through the through hole. The moving seat 10 slides along the guide rod 11. A support plate 12 is connected to the top surface of the moving seat 10, and the cross-section of the support plate 12 is set to be L-shaped. A mounting plate 13 is connected to the top surface of the support plate 12. Cooling pipes 14 are installed on the opposite surfaces of the two mounting plates 13 through pipe clamps 15. The water inlet end of the cooling pipe 14 is connected to an external water source, and the water outlet end of the cooling pipe 14 is connected to a water recovery tank.

[0024] like Figure 7 As shown, the cooling pipe 14 includes a plurality of straight pipes 14-1, and the ends of two adjacent straight pipes 14-1 are connected by an arc pipe 14-2; the plurality of straight pipes 14-1 are connected into a serpentine structure by a plurality of arc pipes 14-2, so as to increase the flow path of the cooling water, prolong the contact time between the cooling water and the mold, and improve the cooling effect; the straight pipe 14-1 and the arc pipe 14-2 are detachably connected together by threads, so as to facilitate the replacement of the straight pipe 14-1 or the arc pipe 14-2. At the same time, after a period of use, the straight pipe 14-1 and the arc pipe 14-2 can be disassembled to clean the inside of the pipe.

[0025] The working process of the utility model is as follows:

[0026] After injection molding, start the fan 16, which is transported into the cavity 501 through the hose 17, and enters the cooling chamber 401 through the first air hole 502 and the second air hole 1801 to cool the upper mold 4, and the air that absorbs heat is discharged through the exhaust hole 402; turn the handle 9-1, the bidirectional screw 9 rotates, driving the two moving seats 10 to approach each other, and the cooling pipe 14 moves to the side of the lower mold 3 and the upper mold 4, and cold water is introduced into the cooling pipe 14. The cold water takes away the heat from the side of the lower mold 3 and the upper mold 4 to cool the mold, and the high-temperature water in the cooling pipe 14 is discharged into the water recovery tank, which can be used in other places to avoid waste of water materials.

[0027] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. An injection mold for producing automobile fenders and facilitating heat dissipation, comprising a bottom plate (1), the bottom surface of the bottom plate (1) being provided with a first support leg (6), the top surface of the bottom plate (1) being provided with a support block (2), the top surface of the support block (2) being provided with a lower mold (3), an upper mold (4) being provided above the lower mold (3), a guide column (5) being provided on the top surface of the lower mold (3), and a guide sleeve (18) matching the guide column (5) being installed on the upper mold (4), Features: A cooling cavity (401) is provided inside the upper mold (4), an exhaust hole (402) is provided in front of the upper mold (4), and the exhaust hole (402) is communicated with the cooling cavity (401), a cavity (501) is provided inside the guide column (5), a first air hole (502) is provided on the side wall of the guide column (5), a second air hole (1801) is provided on the guide sleeve (18), the positions of the first air hole (502) and the second air hole (1801) correspond to each other and are communicated with the cooling cavity (401), a fan (16) is provided on the top surface of the bottom plate (1), and the fan (16) is connected to the cooling cavity (401) through a hose (1 7) is connected to the cavity (501); a platform (7) is arranged below the base plate (1), a second supporting leg (8) is arranged on the bottom surface of the platform (7), a bidirectional screw (9) is arranged on the top surface of the platform (7), a movable seat (10) is threadedly connected on the square thread section of the bidirectional screw (9), a support plate (12) is arranged on the top surface of the movable seat (10), a mounting plate (13) is arranged on the top surface of the support plate (12), a cooling pipe (14) is arranged on the mounting plate (13), a water inlet end of the cooling pipe (14) is connected to an external water source, and a water outlet end of the cooling pipe (14) is connected to a water recovery tank.

2. The injection mold for heat dissipation for automobile fender production according to claim 1, Features: A guide rod (11) is provided on the top surface of the platform (7) and located at the front and rear sides of the bidirectional lead screw (9), and the movable seat (10) is slidably connected to the guide rod (11).

3. The injection mold for heat dissipation for automobile fender production according to claim 1, Features: The cooling pipe (14) is mounted on the mounting plate (13) via a pipe clamp (15).

4. The injection mold for heat dissipation for automobile fender production according to claim 1, Features: The cooling pipe (14) comprises a plurality of straight pipes (14-1), and the ends of two adjacent straight pipes (14-1) are connected via an arc-shaped pipe (14-2).

5. The injection mold for heat dissipation for automobile fender production according to claim 1, Features: The exposed end of the bidirectional lead screw (9) is connected to a handle (9-1).

6. The injection mold for heat dissipation for producing automobile fenders according to claim 1, Features: The cross section of the support plate (12) is arranged to be L-shaped.

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