CN218227669U

CN218227669U - Automotive interior apron injection mold

Info

Publication number: CN218227669U
Application number: CN202222417128.0U
Authority: CN
Inventors: 高教朗
Original assignee: Dongguan Weipin Plastic Products Co ltd
Current assignee: Dongguan Weipin Plastic Products Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-01-06
Anticipated expiration: 2032-09-13

Abstract

The utility model discloses an automotive interior apron injection mold, including base, upper die base and die holder, four stands of upper surface array fixedly connected with of base, four the top of stand all run through the die holder and be connected with the lower fixed surface of upper die base, just sliding connection between die holder and the stand, the lower surface of upper die base and the lower surface of die holder imbed the first thermal-insulated frame of fixedly connected with and the thermal-insulated frame of second respectively. The utility model discloses in, through the extrusion mechanism that sets up, can extrude the downthehole material of moulding plastics, not only can make the material fully fill automotive interior apron one-tenth die cavity to also can avoid extravagant material, and through the automatic ejection mechanism who sets up, can slowly ejecting the product when the product moves down, avoid causing the condition of product departure, the unloading of being convenient for.

Description

Automotive interior apron injection mold

Technical Field

The utility model relates to an automobile parts production technical field especially relates to an automotive interior apron injection mold.

Background

The sales volume of high-end vehicles in the domestic market is continuously increased, the requirements of high-quality high-end products are continuously increased, the environment-friendly and healthy concept is popular, the interior decoration products of the automobiles also start to mainly play a green concept, the environment-friendly and healthy products are a great trend of automobile development, the room design in the automobiles is improved, the riding comfort is improved, and the environment-friendly and healthy products are also widely adopted by medium-high-grade vehicles;

the existing plastic automotive interior cover plate is processed by an injection molding process, but materials of a traditional injection mold are generally injected through injection molding holes in the injection molding process, the materials in a molding cavity lose pressure after injection is stopped, the situation that the materials cannot be completely filled exists, the product quality is affected, and partial materials can exist in the injection molding holes, so that waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an injection mold for an automotive trim cover plate.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides an automotive interior apron injection mold, includes base, upper die base and die holder, four stands of upper surface array fixedly connected with of base, four the top of stand all runs through the die holder and with the lower fixed surface of upper die base is connected, just sliding connection between die holder and the stand, the lower surface of upper die base and the lower surface of die holder imbed the first thermal-insulated frame of fixedly connected with and the thermal-insulated frame of second respectively, just the inside difference fixedly connected with die and terrace die of first thermal-insulated frame and second thermal-insulated frame, just be equipped with automotive interior apron shaping chamber between die and the terrace die, run through between upper die base and the die and seted up the hole of moulding plastics, the filling hole that is linked together with the hole of moulding plastics is seted up to the upper surface of upper die base, the upper surface fixed mounting of upper die base has the extrusion mechanism with the hole matched with moulding plastics, be equipped with automatic ejection mechanism between terrace die and the base, the upper surface symmetry fixedly connected with pneumatic cylinder of base, the expansion end top of pneumatic cylinder is connected with the lower fixed surface of die holder.

Furthermore, the extrusion mechanism comprises a U-shaped frame fixedly mounted on the upper surface of the upper die base, a motor is fixedly mounted on the top of the U-shaped frame, a lead screw is fixedly connected to an output shaft of the motor, an extrusion rod is in threaded connection with the outer surface of the lead screw, and the extrusion rod penetrates through the upper die base and is in sliding connection with the inner wall of the injection molding hole.

Furthermore, the top of the extrusion rod is symmetrically connected with two guide rods in a penetrating and sliding manner, and the top ends of the two guide rods are fixedly connected with the inner top of the U-shaped frame.

Furthermore, automatic ejection mechanism includes the knock-out pin that two symmetries set up, two the knock-out pin all runs through die holder, the thermal-insulated frame of second and terrace die in proper order, two the equal fixedly connected with liftout plate in top of knock-out pin, the surface of terrace die is seted up and is accomodate the groove with liftout plate matched with, two fixedly connected with diaphragm between the bottom of knock-out pin, just fixedly connected with spring between the upper surface of diaphragm and the lower surface of die holder.

Furthermore, the automatic ejection mechanism further comprises a supporting block fixedly installed on the upper surface of the base, and a cushion pad matched with the transverse plate is fixedly connected to the upper surface of the supporting block.

Furthermore, a first flow passage and a second flow passage are respectively formed in the female die and the male die in a penetrating manner, two ends of the first flow passage and two ends of the second flow passage respectively penetrate through the upper die base and the lower die base and extend to the outside, and three-way reversing valves are fixedly connected to two ends of the upper die base and two ends of the lower die base.

Furthermore, the lower surface of the female die is fixedly connected with a plurality of guide rods, and the upper surface of the male die is provided with a plurality of guide holes corresponding to the guide rods.

The utility model has the advantages that:

the utility model discloses when using, this automotive interior apron injection mold, through the extrusion mechanism who sets up, can extrude the downthehole material of moulding plastics, not only can make the material fully fill automotive interior apron shaping chamber to also can avoid extravagant material, and through the automatic ejection mechanism who sets up, can slowly ejecting with the product when the product moves down, avoid causing the condition that the product flies up, the unloading of being convenient for.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is an enlarged view of a point a in fig. 2 according to the present invention.

Illustration of the drawings:

1. a base; 2. an upper die holder; 3. a lower die holder; 4. a column; 5. a first heat insulation frame; 6. a second heat insulation frame; 7. a female die; 8. a male die; 9. injection molding holes; 10. filling holes; 11. a hydraulic cylinder; 12. a U-shaped frame; 13. a motor; 14. a screw rod; 15. an extrusion stem; 16. a guide bar; 17. ejecting the rod; 18. a transverse plate; 19. a spring; 20. a support block; 21. a cushion pad; 22. a first flow passage; 23. a second flow passage.

Detailed Description

Fig. 1 to 3 show, relate to an automotive interior apron injection mold, including base 1, upper die base 2 and die holder 3, base 1's upper surface array fixedly connected with four stands 4, the top of four stands 4 all runs through die holder 3 and is connected with the lower fixed surface of upper die base 2, and sliding connection between die holder 3 and the stand 4, the lower surface of upper die base 2 and the lower surface of die holder 3 imbed fixedly connected with first thermal-insulated frame 5 and second thermal-insulated frame 6 respectively, and the inside of first thermal-insulated frame 5 and second thermal-insulated frame 6 is fixedly connected with die 7 and terrace die 8 respectively, and be equipped with automotive interior apron shaping chamber between die 7 and the terrace die 8, run through between upper die base 2 and the die 7 and offer injection molding hole 9, the upper surface of upper die base 2 offers the hole 10 that is linked together with injection molding hole 9, the upper surface fixed mounting of upper die base 2 has the extrusion mechanism with injection molding hole 9 matched with, be equipped with automatic ejection mechanism between terrace die 8 and base 1, the upper surface symmetry fixedly connected with pneumatic cylinder 11, the movable end of pneumatic cylinder 11 is connected with the lower fixed surface of die holder 3.

The extrusion mechanism comprises a U-shaped frame 12 fixedly installed on the upper surface of the upper die base 2, a motor 13 is fixedly installed at the top of the U-shaped frame 12, a lead screw 14 is fixedly connected to an output shaft of the motor 13, an extrusion rod 15 is connected to the outer surface of the lead screw 14 in a threaded manner, the extrusion rod 15 penetrates through the upper die base 2 and is in sliding connection with the inner wall of the injection molding hole 9, the motor 13 rotates to drive the lead screw 14 to rotate, so that the extrusion rod 15 is driven to move downwards through threads, materials in the injection molding hole 9 can be extruded, not only can the materials be fully filled into a forming cavity of the automotive interior trim cover plate, but also can avoid wasting the materials, and is convenient for blanking.

The top symmetry of extrusion pole 15 runs through sliding connection has two guide arms 16, and the top of two guide arms 16 all with the interior top fixed connection of U type frame 12, can lead extrusion pole 15, avoids extrusion pole 15 to take place to rotate.

Automatic ejection mechanism includes ejector pin 17 that two symmetries set up, two ejector pins 17 all run through die holder 3 in proper order, thermal-insulated frame 6 of second and terrace die 8, the equal fixedly connected with liftout plate in top of two ejector pins 17, the surface of terrace die 8 has been seted up and has been accomodate the groove with liftout plate matched with, fixedly connected with diaphragm 18 between the bottom of two ejector pins 17, and fixedly connected with spring 19 between the upper surface of diaphragm 18 and the lower surface of die holder 3, spring 19 can extrude diaphragm 18, thereby ejector pin 17 takes place to rock with the liftout plate when the surface is moulded plastics.

The automatic ejection mechanism further comprises a supporting block 20 fixedly mounted on the upper surface of the base 1, the upper surface of the supporting block 20 is fixedly connected with a cushion pad 21 matched with the transverse plate 18, the transverse plate 18 is extruded through the cushion pad 21 to achieve certain buffering, and the situation that the ejection rod 17 is ejected out quickly to cause flying of a product is avoided.

The inside of die 7 and terrace die 8 runs through respectively and has seted up first runner 22 and second runner 23, the both ends of first runner 22 and second runner 23 run through upper die base 2 and die holder 3 respectively and extend to outside, and the equal fixedly connected with tee bend switching-over valve in both ends of upper die base 2 and die holder 3, can realize the switching of cold flow and thermal current through the tee bend switching-over valve of establishing, thereby only need a runner alright with heating and cooling, reduce manufacturing cost.

The lower fixed surface of die 7 is connected with a plurality of guide bars, and a plurality of guiding holes corresponding with the guide bar have been seted up to the upper surface of terrace die 8, can lead to terrace die 8 to realize die 7 and terrace die 8 perfect adaptation.

When the injection mold for the automotive trim cover plate is used, the hydraulic cylinder 11 is started to drive the lower die holder 3 and the male die 8 to move upwards and be attached to the upper die holder 2 and the female die 7, materials are added into a forming cavity of the automotive trim cover plate through the filling hole 10 and the injection hole 9 at the moment, the first flow passage 22 and the second flow passage 23 are filled with heat flows, the female die 7 and the male die 8 are heated by mechanical energy, the materials are prevented from being solidified in advance, feeding is stopped after injection molding is completed, then the motor 13 is started, the motor 13 rotates to drive the screw rod 14 to rotate, so that the extrusion rod 15 is driven to move downwards through threads, the materials in the injection hole 9 can be extruded, the materials can be fully filled into the forming cavity of the automotive trim cover plate, waste of the materials can be avoided, cold flows are respectively filled into the first flow passage 22 and the second flow passage 23 through the three-way reversing valve, products are cooled, the hydraulic cylinder 11 is started to drive the lower die holder 3 and the male die 8 to move downwards after manufacturing is completed, when the transverse plate 18 is moved to be contacted with the cushion 21, the transverse plate can move downwards continuously, so that the transverse plate 18 and the ejector rod 17 can be extruded, and the ejector plate can be conveniently extruded, and the products can be discharged.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides an automotive interior apron injection mold, includes base (1), upper die base (2) and die holder (3), its characterized in that: the upper surface array of base (1) four stands (4) of fixedly connected with, four the top of stand (4) all runs through die holder (3) and with the lower fixed surface of upper die base (2), just sliding connection between die holder (3) and stand (4), the lower surface of upper die base (2) and the lower surface of die holder (3) imbed the first thermal-insulated frame of fixedly connected with (5) and the thermal-insulated frame of second (6) respectively, just the inside difference fixedly connected with die (7) and terrace die (8) of the thermal-insulated frame of first thermal-insulated frame (5) and second (6), just be equipped with automotive interior trim cover board shaping chamber between die (7) and terrace die (8), run through between upper die base (2) and die (7) and seted up injection hole (10) that are linked together with injection hole (9), the upper surface fixed mounting of upper die base (2) has with injection hole (9) matched with extrusion mechanism, be equipped with automatic extrusion mechanism of base (1) and the bottom of injection molding (11) the pneumatic cylinder (11), pneumatic cylinder (11) are connected with the bottom of lower surface of base (1).

2. The injection mold for the cover plate of the automobile interior trim according to claim 1, wherein: the extrusion mechanism comprises a U-shaped frame (12) fixedly installed on the upper surface of the upper die base (2), a motor (13) is fixedly installed at the top of the U-shaped frame (12), a lead screw (14) is fixedly connected with an output shaft of the motor (13), an extrusion rod (15) is connected to the outer surface of the lead screw (14) in a threaded mode, and the extrusion rod (15) penetrates through the upper die base (2) and is in sliding connection with the inner wall of the injection molding hole (9).

3. The injection mold for the cover plate of the automobile interior trim according to claim 2, wherein: the top of the extrusion rod (15) is symmetrically connected with two guide rods (16) in a penetrating and sliding manner, and the top ends of the two guide rods (16) are fixedly connected with the inner top of the U-shaped frame (12).

4. The injection mold for the cover plate of the automobile interior trim according to claim 1, wherein: automatic ejection mechanism includes ejector rod (17), two that two symmetries set up ejector rod (17) all runs through die holder (3), second heat-insulating frame (6) and terrace die (8), two in proper order the equal fixedly connected with ejector plate in top of ejector rod (17), the surface of terrace die (8) is seted up and is accomodate the groove with ejector plate matched with, two fixedly connected with diaphragm (18) between the bottom of ejector rod (17), just fixedly connected with spring (19) between the upper surface of diaphragm (18) and the lower surface of die holder (3).

5. The automotive interior cover plate injection mold according to claim 4, characterized in that: the automatic ejection mechanism further comprises a supporting block (20) fixedly mounted on the upper surface of the base (1), and a cushion pad (21) matched with the transverse plate (18) is fixedly connected to the upper surface of the supporting block (20).

6. The automotive interior cover plate injection mold according to claim 1, characterized in that: the die is characterized in that a first flow channel (22) and a second flow channel (23) are respectively formed in the female die (7) and the male die (8) in a penetrating mode, two ends of the first flow channel (22) and two ends of the second flow channel (23) respectively penetrate through the upper die base (2) and the lower die base (3) and extend to the outside, and three-way reversing valves are respectively fixedly connected to two ends of the upper die base (2) and two ends of the lower die base (3).

7. The automotive interior cover plate injection mold according to claim 1, characterized in that: the lower surface of the female die (7) is fixedly connected with a plurality of guide rods, and a plurality of guide holes corresponding to the guide rods are formed in the upper surface of the male die (8).