Injection mold for automobile foot mat

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to an automobile foot pad injection mold which comprises a mounting plate, a lower mold base is fixed to the upper surface of the mounting plate, a fixed mold is mounted on the upper surface of the lower mold base, stand columns are vertically arranged at the four corners of the top of the lower mold base, and a top plate is fixed to the tops of the four stand columns. The top plate is arranged over the lower die base, a hydraulic cylinder is vertically arranged in the center of the upper surface of the top plate, an output shaft of the hydraulic cylinder penetrates through the top plate, a lifting plate is slidably installed among the four stand columns and arranged below the top plate, and an output shaft of the hydraulic cylinder is installed on the lifting plate. When a mold is opened and closed, a gear and a toothed bar are matched with each other to drive a swing rod to swing within a certain range, and a hollow groove and a fixing bolt are matched to drive a moving block to do transverse reciprocating motion, so that an air outlet nozzle does transverse reciprocating motion, then air cooling of a foot pad during discharging is achieved, and the cooling efficiency of the foot pad is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds, and in particular relates to an injection mold for an automobile foot pad. Background Art

[0002] With the improvement of people's living standards, cars are becoming more and more popular. As a necessary consumer product for cars, car mats have more and more types and varieties. With the use of cars, some molds used in cars are more common in our daily life, such as car mat shaping molds, which are mainly used to make car mats.

[0003] The upper and lower molds are moved to form a sealed internal cavity, and molten raw materials are injected into the cavity. The raw materials are cooled and solidified to form a car floor mat. The mold is then opened and the floor mat is squeezed out of the mold cavity to achieve discharge. However, the floor mat still has a high temperature during discharge. If you touch it directly with your hands at this time, you may get burns. At the same time, the hardness of the floor mat is insufficient when the temperature is high, and it is easy to deform during discharge. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model aims to provide an injection mold for a car mat, which can realize air blowing cooling of the mat during discharge, thereby improving the cooling efficiency.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A car floor mat injection mold comprises a mounting plate, a lower mold base is fixed on the upper surface of the mounting plate, a fixed mold is installed on the upper surface of the lower mold base, columns are vertically arranged at the four corners of the top of the lower mold base, a top plate is fixed on the top of the four columns, the top plate is placed directly above the lower mold base, a hydraulic cylinder is vertically arranged at the center of the upper surface of the top plate, the output shaft of the hydraulic cylinder passes through the top plate, a lifting plate is slidably installed between the four columns, the lifting plate is placed under the top plate, the output shaft of the hydraulic cylinder is installed on the lifting plate, a movable mold is fixed on the lower surface of the lifting plate, the movable mold corresponds to the fixed mold, a track is laterally arranged on the rear side of the upper surface of the lower mold base, a moving block is slidably installed on the surface of the track, the moving block is placed at the rear side of the fixed mold, support rods are symmetrically arranged on the top of the moving block, a buckle is fixed on the top of the support rod, an air cylinder is installed between the two buckles, and an air outlet nozzle is arranged on the side of the air cylinder close to the fixed mold, and the air outlet nozzle is higher than the upper surface of the fixed mold.

[0007] Furthermore, a rotating shaft is installed on the rear side of the top plate through a bearing, a swing rod is provided at the rear end of the rotating shaft, and the swing rod is placed on the rear side of the top plate.

[0008] Furthermore, a fixing bolt is arranged at the rear center of the moving block, a hollow groove is opened below the surface of the swing rod, and the fixing bolt passes through the hollow groove.

[0009] Furthermore, a gear is arranged at one end of the rotating shaft away from the swinging rod, and a gear rod is vertically arranged at the rear side of the upper surface of the movable mold, the gear rod passes through the top plate, and the gear rod is meshed with the gear rod.

[0010] Furthermore, the buckle has a C-shaped structure, and a locking bolt is screwed on the top of the buckle.

[0011] Furthermore, a docking joint is provided on one side of the air cylinder, and the docking joint is connected to a cold air delivery hose.

[0012] Compared with the prior art, the utility model has the following beneficial effects: when opening and closing the mold, the gear and the gear rod cooperate with each other to drive the swing rod to swing within a certain range, and the hollow groove and the fixing bolt cooperate to drive the moving block to move back and forth laterally, so that the air outlet nozzle moves back and forth laterally, thereby realizing air cooling of the foot pad during discharge, thereby improving the cooling efficiency of the foot pad.

[0013] When in use, the reciprocating movement of the movable mold drives the air cylinder to move horizontally, and cooperates with the corresponding cold air control valve to achieve intermittent air outlet, thereby realizing linkage. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a rear view stereoscopic structural diagram of the upper and lower molds of the utility model;

[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the swing rod installation of the utility model;

[0016] Figure 3 It is a schematic diagram of the three-dimensional structure of the gas cylinder installation of the utility model.

[0017] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0018] 1. Mounting plate; 2. Lower die base; 3. Fixed die; 4. Top plate; 5. Column; 6. Hydraulic cylinder; 7. Lifting plate; 8. Moving die; 9. Track; 10. Moving block; 11. Support rod; 12. Buckle; 13. Air cylinder; 14. Butt joint; 15. Air outlet nozzle; 16. Fixing bolt; 17. Locking bolt; 18. Rotating shaft; 19. Swinging rod; 20. Hollow groove; 21. Gear; 22. Gear rod. DETAILED DESCRIPTION

[0019] In order to make the purpose and advantages of the utility model more clear, the utility model is specifically described in combination with the following embodiments. It should be understood that the following text is only used to describe one or several specific implementations of the utility model, and does not strictly limit the protection scope of the specific request of the utility model.

[0020] Please refer to Figure 1-Figure 3 As shown, an injection mold for a car mat comprises a mounting plate 1, which is fixed to an injection molding machine by bolts, a lower mold base 2 is fixed on the upper surface of the mounting plate 1, a fixed mold 3 is installed on the upper surface of the lower mold base 2, a mold cavity inside the fixed mold 3 is connected to the output end of the injection molding machine, columns 5 are vertically arranged at the four corners of the top of the lower mold base 2, a top plate 4 is fixed on the top of the four columns 5, the top plate 4 is placed directly above the lower mold base 2, a hydraulic cylinder 6 is vertically arranged at the center of the upper surface of the top plate 4, the output shaft of the hydraulic cylinder 6 passes through the top plate 4, and a lifting plate is slidably installed between the four columns 5 7, the lifting plate 7 is placed below the top plate 4, the output shaft of the hydraulic cylinder 6 is installed on the lifting plate 7, a movable mold 8 is fixed on the lower surface of the lifting plate 7, the lifting plate 7 is controlled to move by the hydraulic cylinder 6, so that the movable mold 8 moves up and down to realize the opening and closing of the mold, the movable mold 8 corresponds to the fixed mold 3, and a track 9 is laterally arranged on the rear side of the upper surface of the lower mold base 2, and a moving block 10 is slidably installed on the surface of the track 9, the track 9 is a T-shaped structure, which can ensure that the moving block 10 can only move laterally, and ensure its stability during movement, and the moving block 10 is placed on the rear side of the fixed mold 3.

[0021] Among them, support rods 11 are symmetrically arranged on the top of the moving block 10, and a buckle 12 is fixed on the top of the support rod 11. An air cylinder 13 is installed between the two buckles 12, and an air outlet nozzle 15 is arranged on the side of the air cylinder 13 close to the fixed mold 3 to blow air to cool the foot pad during discharge. The air outlet nozzle 15 is higher than the upper surface of the fixed mold 3, and the buckle 12 is a C-shaped structure to facilitate the docking installation of the air cylinder 13 and the buckle 12. A locking bolt 17 is screwed on the top of the buckle 12. The air cylinder 13 can be rotated inside the buckle 12 to adjust the direction of the air outlet nozzle 15 and is fixed by the locking bolt 17. A docking joint 14 is arranged on one side of the air cylinder 13, and the docking joint 14 is connected to the cold air delivery hose.

[0022] Please refer to Figure 1 and Figure 2As shown, a rotating shaft 18 is installed on the rear side of the top plate 4 through a bearing, and a swing rod 19 is arranged at the rear end of the rotating shaft 18. The swing rod 19 is placed on the rear side of the top plate 4, and a fixing bolt 16 is arranged at the center of the rear side of the moving block 10. A hollow groove 20 is opened below the surface of the swing rod 19, and the fixing bolt 16 passes through the hollow groove 20. A gear 21 is arranged at the end of the rotating shaft 18 away from the swing rod 19, and a gear rod 22 is vertically arranged on the rear side of the upper surface of the movable mold 8. The gear rod 22 passes through the top plate 4, and the gear rod 22 and the gear 21 are meshed with each other. The up and down movement of the movable mold 8 can drive the gear rod 22 to move up and down reciprocatingly, and then drive the gear 21 to rotate, so as to adjust the swing rod 19 to swing back and forth, so as to realize the lateral reciprocating movement of the moving block 10, so as to realize linkage.

[0023] The working principle of the utility model is as follows: the lifting plate 7 is controlled to move up and down by the hydraulic cylinder 6, and then the movable mold 8 and the fixed mold 3 are opened and closed. When the movable mold 8 moves up and down to open and close the mold, the gear rod 22 can be driven to move in the vertical direction, and then the rotating shaft 18 is driven to rotate by the cooperation of the gear rod 22 and the gear 21, so that the swing rod 19 can swing within a certain range. At the same time, the moving block 10 can only slide horizontally along the track of the track 9. When the swing rod 19 swings within the moving range, the hollow groove 20 and the fixing bolt 16 can be mutually engaged. It cooperates to drive the moving block 10 to move back and forth laterally. When in use, the external cold air pipe is connected to the joint 14, and air is blown toward the fixed mold 3 through the air outlet nozzle 15. The air cylinder 13 can be moved laterally when the mold is opened and closed, and the switch for introducing gas can be controlled at the same time to cool the foot pad after the mold is opened, thereby improving the cooling efficiency. At the same time, the blowing angle of the air outlet nozzle 15 can be adjusted so that the air cylinder 13 can rotate inside the buckle 12, and it is locked and fixed by the locking bolt 17 to maintain the stability of the air outlet angle of the air outlet nozzle 15.

[0024] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. An injection mold for a car mat, comprising a mounting plate (1), a lower mold base (2) being fixed on the upper surface of the mounting plate (1), and a fixed mold (3) being installed on the upper surface of the lower mold base (2), characterized in that: The four corners of the top of the lower die base (2) are vertically provided with columns (5), and a top plate (4) is fixed on the top of the four columns (5). The top plate (4) is placed directly above the lower die base (2). A hydraulic cylinder (6) is vertically provided at the center of the upper surface of the top plate (4). The output shaft of the hydraulic cylinder (6) passes through the top plate (4). A lifting plate (7) is slidably installed between the four columns (5). The lifting plate (7) is placed below the top plate (4). The output shaft of the hydraulic cylinder (6) is installed on the lifting plate (7). A movable mold (8) is fixed on the lower surface of the lifting plate (7). (8) Corresponding to the fixed mold (3), a track (9) is transversely arranged on the rear side of the upper surface of the lower mold base (2), and a moving block (10) is slidably installed on the surface of the track (9). The moving block (10) is placed on the rear side of the fixed mold (3), and a support rod (11) is symmetrically arranged on the top of the moving block (10). A buckle (12) is fixed on the top of the support rod (11), and an air cylinder (13) is installed between the two buckles (12). The air cylinder (13) is provided with an air outlet nozzle (15) on the side close to the fixed mold (3), and the air outlet nozzle (15) is higher than the upper surface of the fixed mold (3).

2. The car mat injection mold according to claim 1, characterized in that: A rotating shaft (18) is installed on the rear side of the top plate (4) via a bearing, and a swing rod (19) is provided at the rear end of the rotating shaft (18), and the swing rod (19) is placed on the rear side of the top plate (4).

3. The car mat injection mold according to claim 2, characterized in that: A fixing bolt (16) is arranged at the rear center of the moving block (10), a hollow groove (20) is opened below the surface of the swing rod (19), and the fixing bolt (16) passes through the hollow groove (20).

4. The car mat injection mold according to claim 3, characterized in that: A gear (21) is arranged at one end of the rotating shaft (18) away from the swing rod (19), and a gear rod (22) is vertically arranged on the rear side of the upper surface of the movable mold (8), the gear rod (22) passes through the top plate (4), and the gear rod (22) and the gear (21) are meshed with each other.

5. The car mat injection mold according to claim 1, characterized in that: The buckle (12) is in a C-shaped structure, and a locking bolt (17) is screwed on the top of the buckle (12).

6. The car mat injection mold according to claim 5, characterized in that: A butt joint (14) is provided on one side of the air cylinder (13), and the butt joint (14) is connected to a cold air delivery hose.

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