Hot press for automotive trim panel

Abstract

The utility model discloses an automobile interior trimming panel hot press which comprises a bottom plate, a pressing plate and a covering layer, a lower die holder is arranged on the upper end face of the bottom plate, an upper die holder is arranged on the lower end face of the pressing plate, a preheating frame is arranged at the rear end of the bottom plate, a first guide frame is arranged on one side of the bottom plate, and a second guide frame is arranged on the other side of the bottom plate. A first guide frame and a winding frame are arranged on one side of the bottom plate, a second guide frame and a winding frame are arranged on the other side of the bottom plate, one end of the covering layer penetrates through the first guide frame and the second guide frame and is fixed to the winding frame, a mold cavity is formed in the lower mold base, and a cutting edge is arranged on the outer edge of the mold cavity; after hot pressing is completed and an interior trimming panel is taken away, excess materials of a covering layer are wound through the winding frame, meanwhile, a new covering layer to be subjected to hot pressing is supplemented to the lower die holder, manual feeding of the covering layer is not needed, the covering layer with the specified size is automatically cut off through shearing force between the die holders in the hot pressing process, and the production efficiency is improved. The covering layer material does not need to be cut in advance, time and labor are saved, and the hot pressing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hot pressing of interior trim panels, in particular to a hot pressing machine for automobile interior trim panels. Background Art

[0002] At present, cars are no longer just a means of transportation, and people have higher and higher requirements for cars. Not only do they require cars to have excellent power performance, but they also require the interior decoration of cars to have multiple functions to improve the comfort of driving or riding. The hot pressing composite molding process is a molding process that heats the skeleton material to soften the plastic components in it, and then presses the mold cavity under high temperature to combine the skeleton and the covering layer material. It is suitable for the processing of automotive interior panels.

[0003] After each hot pressing, the skeleton and the cut block covering material need to be placed manually, the skeleton is fixed to the upper mold, and the covering material is laid on the lower mold. The covering material needs to be cut in advance, which is time-consuming and labor-intensive. Utility Model Content

[0004] The utility model aims to provide a hot press machine for automobile interior trim panels to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hot press machine for automobile interior decoration panels, comprising a base plate, a pressing plate and a covering layer, the upper end surface of the base plate is provided with a lower die seat, the lower end surface of the pressing plate is provided with an upper die seat, the rear end of the base plate is provided with a preheating frame, one side of the base plate is provided with a first guide frame, the other side of the base plate is provided with a second guide frame and a winding frame, one end of the covering layer passes through the first guide frame and the second guide frame and is fixed between the winding frame, the lower die seat is provided with a mold cavity, and the outer edge of the mold cavity is provided with a cutting edge.

[0006] Wherein, the preheating rack includes an electric cylinder and a preheating box.

[0007] Wherein, an upper electric heating pipe group and an upper heat transfer plate are arranged above the interior of the preheating box.

[0008] Wherein, a lower electric heating pipe group and a lower heat transfer plate are arranged at the lower part of the preheating box, and the preheating box has a built-in machine box.

[0009] Wherein, the first guide frame and the second guide frame each include two groups of rollers, and a guide groove is formed between the two groups of rollers.

[0010] Wherein, the winding frame includes a motor and a winding roller, and the output shaft of the motor and the winding roller are fixed by a coupling.

[0011] Among them, guide rods are arranged at the corners of the upper end of the bottom plate, a top plate is arranged at the top end of the guide rods, and the guide rods penetrate the pressing plate and are slidably connected with the pressing plate.

[0012] Wherein, a hydraulic cylinder is arranged on the top of the top plate, and the hydraulic cylinder includes a push rod, and the push rod is fixed to the pressure plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. After the hot pressing is completed and the interior trim panel is taken away, the utility model rolls up the remaining covering layer through the winding rack, and at the same time, adds a new covering layer to be hot pressed to the lower die seat, without the need to manually feed the covering layer. During hot pressing, the covering layer of the specified size is automatically cut off by the shear force between the die seats, and there is no need to cut the covering layer material in advance, which saves time and labor and improves the efficiency of hot pressing.

[0015] 2. The utility model drives the preheating box to move in and out through an electric cylinder, which is convenient for preheating the skeleton and the covering layer materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 for Figure 1 A partial enlarged view of area A in the middle;

[0018] Figure 3 This is a schematic diagram of laying the covering layer of the utility model;

[0019] Figure 4 It is a schematic diagram of the internal structure of the preheating box of the utility model.

[0020] In the figure: 1, bottom plate; 2, pressing plate; 3, lower die base; 4, upper die base; 5, preheating frame; 6, first guide frame; 7, second guide frame; 8, winding frame; 9, covering layer; 10, mold cavity; 11, cutting edge; 12, electric cylinder; 13, preheating box; 14, upper electric heating tube group; 15, upper heat transfer plate; 16, lower electric heating tube group; 17, lower heat transfer plate; 18, chassis; 19, roller; 20, motor; 21, winding roller; 22, guide rod; 23, top plate; 24, hydraulic cylinder. 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 hot press machine for automobile interior decoration panels, comprising a bottom plate 1, a pressing plate 2 and a covering layer 9, a bottom plate 1 having a lower die seat 3 disposed on the upper end surface, a covering layer 9 laid on the lower die seat 3, an upper die seat 4 disposed on the lower end surface of the pressing plate 2, a frame fixed on the upper die seat 4, a preheating frame 5 disposed at the rear end of the bottom plate 1, the covering layer 9 and the frame are preheated by the preheating frame 5, a first guide frame 6 disposed on one side of the bottom plate 1, a second guide frame 7 and a winding frame 8 disposed on the other side of the bottom plate 1, one end of the covering layer 9 passes through the first guide frame 6 and the second The guide frame 7 is fixed with the winding frame 8, a cavity 10 is arranged on the lower die base 3, a cutting edge 11 is arranged on the outer edge of the cavity 10, and the winding frame 8 can wind up the covering layer 9. After the hot pressing is completed and the interior trim panel is taken away, the remaining covering layer 9 is wound up by the winding frame 8, and a new covering layer 9 to be hot pressed is added to the lower die base 3 at the same time. There is no need to manually feed the covering layer 9. During hot pressing, the covering layer 9 of a specified size is automatically cut off by the shear force between the die bases. There is no need to cut the covering layer 9 material in advance, which saves time and effort and improves the hot pressing efficiency.

[0023] When the lower die base 3 and the upper die base 4 are hot-pressed together, the cutting edge 11 applies extrusion shearing force to the covering layer 9, and the covering layer 9 used for hot pressing is cut off by the shearing force and hot-pressed together with the frame.

[0024] Among them, the preheating frame 5 includes an electric cylinder 12 and a preheating box 13. The electric cylinder 12 includes a push rod. The push rod of the electric cylinder 12 is fixed to the preheating box 13. When preheating, the electric cylinder 12 drives the preheating box 13 to move the preheating box 13 between the lower mold base 3 and the upper mold base 4. The covering layer 9 and the skeleton are preheated by the preheating box 13. After the preheating is completed, the electric cylinder 12 drives the preheating box 13 to reset and avoid, ensuring the normal progress of the hot pressing action.

[0025] An upper electric heating tube group 14 and a heat transfer plate 15 are arranged above the preheating box 13. The upper electric heating tube group 14 is energized to increase the temperature, and the heat is transferred through the heat transfer plate 15 to preheat the upper frame.

[0026] The lower electric heating tube group 16 and the lower heat transfer plate 17 are arranged at the lower part of the preheating box 13. The preheating box 13 has a built-in cabinet 18. The lower electric heating tube group 16 is energized to increase the temperature, and the heat is transferred through the lower heat transfer plate 17 to preheat the lower covering layer 9.

[0027] The framework and the covering layer 9 are preheated by a preheating box 13 to soften them, and then pressed by a mold cavity 10 at a high temperature to form an interior trim panel.

[0028] Among them, the first guide frame 6 and the second guide frame 7 each include two groups of rollers 19, and a guide groove is formed between the two groups of rollers 19. The covering layer 9 passes through the guide groove. The first guide frame 6 and the second guide frame 7 guide and limit the feeding position and the discharging position of the covering layer 9, so that the covering layer 9 can be laid on the upper mold base 4, which is conducive to the subsequent hot pressing process.

[0029] Among them, the winding frame 8 includes a motor 20 and a winding roller 21, and the output shaft of the motor 20 is fixed to the winding roller 21 by a coupling. When the motor 20 is working, it drives the winding roller 21 to rotate, and when the winding roller 21 rotates, the covering layer 9 is wound up. After the hot pressing is completed and the interior panel is removed, the remaining covering layer 9 is wound up by the winding frame 8, and a new covering layer 9 to be hot pressed is added to the lower mold base 3.

[0030] Among them, guide rods 22 are arranged at the corners of the upper end of the bottom plate 1, and a top plate 23 is arranged at the top of the guide rods 22. The guide rods 22 penetrate the pressure plate 2 and are slidably connected with the pressure plate 2. The guide rods 22 play a guiding role. The pressure plate 2 slides along the axial direction of the guide rods 22 to limit the displacement direction of the upper mold base 4, thereby improving the accuracy of hot pressing mold closing.

[0031] Among them, a hydraulic cylinder 24 is arranged on the top of the top plate 23, and the hydraulic cylinder 24 includes a push rod, and the push rod is fixed to the pressure plate 2. The hydraulic cylinder 24 is the power source for hot pressing processing. When the hydraulic cylinder 24 is working, it drives the pressure plate 2 to move, and the pressure plate 2 drives the upper mold base 4 to move synchronously. The upper mold base 4 and the lower mold base 3 are closed for hot pressing. After the hot pressing is completed, the hydraulic cylinder 24 drives the upper mold base 4 to reset.

[0032] Working principle: During hot pressing, Figure 3 As shown, the skeleton is fixed on the upper die seat 4, the covering layer 9 is laid on the lower die seat 3, the electric cylinder 12 works to drive the preheating box 13, and the preheating box 13 is moved between the lower die seat 3 and the upper die seat 4, the upper electric heating pipe group 14 is powered on to heat up, and the heat is transferred through the heat transfer plate 15 to preheat the upper skeleton, the lower electric heating pipe group 16 is powered on to heat up, and the heat is transferred through the lower heat transfer plate 17 to preheat the lower covering layer 9, after the preheating is completed, the electric cylinder 12 drives the preheating box 13 to reset and avoid, the hydraulic cylinder 24 works to drive the pressing plate 2 to move, and the pressing plate 2 drives the upper die seat 4 synchronously Movement, the upper die base 4 and the lower die base 3 are closed for hot pressing, the cutting edge 11 applies extrusion shear force to the covering layer 9, relying on the shear force to cut the covering layer 9 used for hot pressing, and hot press fit together with the frame. After the hot pressing is completed, the hydraulic cylinder 24 drives the upper die base 4 to reset, and the interior trim panel after hot pressing is manually taken away, and the motor 20 of the winding rack 8 works to drive the winding roller 21 to rotate. When the winding roller 21 rotates, the covering layer 9 is wound up, and the remaining material of the covering layer 9 is wound up by the winding rack 8, and at the same time, a new covering layer 9 to be hot pressed is added to the lower die base 3.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hot press machine for automobile interior trim panels, comprising a base plate (1), a pressing plate (2) and a covering layer (9), characterized in that: The upper end surface of the base plate (1) is provided with a lower die seat (3), the lower end surface of the pressure plate (2) is provided with an upper die seat (4), the rear end of the base plate (1) is provided with a preheating frame (5), one side of the base plate (1) is provided with a first guide frame (6), the other side of the base plate (1) is provided with a second guide frame (7) and a winding frame (8), one end of the covering layer (9) passes through the first guide frame (6) and the second guide frame (7) and is fixed between the winding frame (8), the lower die seat (3) is provided with a mold cavity (10), and the outer edge of the mold cavity (10) is provided with a cutting edge (11).

2. The hot press machine for automobile interior trim panels according to claim 1, characterized in that: The preheating rack (5) comprises an electric cylinder (12) and a preheating box (13).

3. The hot press machine for automobile interior trim panels according to claim 2, characterized in that: An upper electric heating pipe group (14) and an upper heat transfer plate (15) are arranged above the interior of the preheating box (13).

4. The hot press machine for automobile interior trim panels according to claim 3, characterized in that: A lower electric heating pipe group (16) and a lower heat transfer plate (17) are arranged at the lower part of the preheating box (13), and an engine box (18) is built in the preheating box (13).

5. The hot press machine for automobile interior trim panels according to claim 1, characterized in that: The first guide frame (6) and the second guide frame (7) both comprise two groups of rollers (19), and a guide groove is formed between the two groups of rollers (19).

6. The automotive interior panel hot press according to claim 1, characterized in that: The winding frame (8) comprises a motor (20) and a winding roller (21), and the output shaft of the motor (20) and the winding roller (21) are fixed via a coupling.

7. The hot press machine for automobile interior trim panels according to claim 1, characterized in that: Guide rods (22) are provided at the corners of the upper end of the bottom plate (1), a top plate (23) is provided at the top end of the guide rods (22), and the guide rods (22) penetrate the pressing plate (2) and are slidably connected to the pressing plate (2).

8. The automotive interior panel hot press according to claim 7, characterized in that: A hydraulic cylinder (24) is provided on the top of the top plate (23), and the hydraulic cylinder (24) includes a push rod, and the push rod is fixed to the pressure plate (2).

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