CN219634453U

CN219634453U - Automobile grille injection molding die

Info

Publication number: CN219634453U
Application number: CN202320477976.2U
Authority: CN
Inventors: 钱周忠; 陆洋
Original assignee: Jiangyin Energy Precision Parts Co ltd
Current assignee: Jiangyin Energy Precision Parts Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-09-05
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses a mold for automobile grille injection molding, which comprises a processing table, wherein a top plate is arranged at the top of the processing table, evenly-distributed guide rails are fixedly connected to the bottom of the top plate, the bottom ends of the guide rails are fixedly connected to the top of the processing table, push rods are fixedly arranged at the top of the top plate, the bottom ends of the push rods penetrate through and extend to the bottom of the top plate, upper seats are fixedly connected to the bottom ends of the push rods, the upper seats are in sliding connection with the guide rails, and upper molds are arranged in the upper seats. According to the utility model, the cooling cavity is arranged to perform uniform heat exchange with the lower die, so that the temperature of the grid after injection molding can be reduced, the cooling time is shortened, the injection molding efficiency is improved, and the cooling liquid can be split through the arrangement of the extension bag and the partition plate, so that the cooling effect of the cooling liquid is prevented from being influenced by heat exchange in the recycling process, and the sealing property between the upper die and the lower die is improved through the arrangement of the sealing structure, and the injection molding quality is improved.

Description

Automobile grille injection molding die

Technical Field

The utility model relates to the technical field of injection molds, in particular to a mold for automobile grille injection molding.

Background

The front grille of the automobile is a net-shaped part with one lattice at the head part of the automobile, the front grille of the automobile is positioned between the front bumper and the front beam of the automobile body, and because engine hood locks need to be arranged in the upper surface area of the front grille, the front grille needs to be provided with engine hood lock avoiding through holes so as to avoid the engine hood locks, and the production of the automobile grille needs to be molded by using an injection mold at present.

The patent document CN202021989445.4 discloses a novel automobile grille injection molding die, which is characterized in that by arranging annular bulges, sealing rings, positioning grooves, sealing gaskets and other structures, the positioning grooves on a lower die are matched with the sealing rings on an upper die, so that the tightness between the upper die and the lower die is improved during die assembly, the quality of products is prevented from being influenced by overflow of solution, and the waste of raw materials is reduced;

this equipment improves the leakproofness through constant head tank and sealing ring, but still through the mode of direct joint, if too laminating in sealing process then can influence the compound die effect, and the grid injection moulding back temperature is higher simultaneously, can not in time take out influence machining efficiency.

Disclosure of Invention

In view of the problems in the prior art, an object of the present utility model is to provide a mold for injection molding of an automotive grille.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a mould for car grill injection molding, includes the processing platform, the top of processing platform is provided with the roof, the guide rail of the bottom fixedly connected with evenly distributed of roof, the bottom fixedly connected with of guide rail is at the top of processing platform, the top fixedly connected with push rod of roof, the bottom of push rod runs through and extends to the bottom of roof, the bottom fixedly connected with seat on the push rod, seat and guide rail sliding connection, the internally mounted of seat has the cope, the top fixedly connected with base of processing platform, the internally mounted of base has the lower mould, the cooling chamber has been seted up to the inside of base, fixedly connected with water storage tank on the inner bottom wall of processing platform, the right side fixedly connected with refrigeration plant of water storage tank, the top fixedly connected with shunt box of water storage tank, fixedly connected with split-flow tube on the inner wall of shunt box, the top of shunt tube runs through and extends to the inside of cooling chamber, the inner shunt wall fixedly connected with division plate on the water storage tank, the top fixedly connected with drawing liquid pump and reflux pump, the reflux pump and reflux pump are located in the top of the side of extension pump, the bottom of reflux pump and the top of reflux pump is connected with the inside of reflux pump, the side of reflux pump is connected with the side of reflux pump.

The front of the processing table is fixedly provided with a control panel, and the sealing structure, the push rod, the liquid pump, the reflux pump and the refrigeration equipment are all electrically connected with the control panel.

The sealing structure comprises a mounting groove, the bottom at the upper seat is seted up to the mounting groove, fixed mounting has the electromagnetic plate on the interior roof of mounting groove, the bottom magnetism of electromagnetic plate is connected with the magnetic plate, magnetic plate sliding connection is on the inner wall of mounting groove, the bottom fixedly connected with annular clamp plate of magnetic plate, the top fixedly connected with sealing ring of base, the sealing ring is located the bottom of mounting groove, electromagnetic plate and control panel electric connection.

The inner wall of the installation groove is provided with a guide groove, and the magnetic plate is in sliding connection with the inner wall of the guide groove.

The top view shape of the sealing ring is annular, and the sealing ring is made of heat-resistant rubber.

The one-way valve is arranged on the shunt pipe and positioned in the shunt box.

Compared with the prior art, the utility model has the advantages that:

according to the utility model, the cooling cavity is arranged to perform uniform heat exchange with the lower die, so that the temperature of the grid after injection molding can be reduced, the cooling time is shortened, the injection molding efficiency is improved, and the cooling liquid can be split through the arrangement of the extension bag and the partition plate, so that the cooling effect of the cooling liquid is prevented from being influenced by heat exchange in the recycling process, and the sealing property between the upper die and the lower die is improved through the arrangement of the sealing structure, and the injection molding quality is improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional elevation view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a water reservoir according to the present utility model.

The reference numerals in the figures illustrate:

1. a processing table; 2. a top plate; 3. a guide rail; 4. a push rod; 5. an upper seat; 6. an upper die; 7. a base; 8. a lower die; 9. a cooling chamber; 10. a water storage tank; 11. a refrigeration device; 12. a shunt box; 13. a shunt; 14. a partition plate; 15. a liquid pump; 16. a reflux pump; 17. a return pipe; 18. extending the bag; 19. a pressure valve; 20. a sealing structure; 2001. a mounting groove; 2002. an electromagnetic plate; 2003. a magnetic plate; 2004. an annular pressing plate; 2005. a seal ring; 21. a control panel; 22. a guide groove; 23. a one-way valve.

Detailed Description

Referring to fig. 1-4, the utility model relates to a mold for injection molding of automobile grids, which comprises a processing table 1, wherein a top plate 2 is arranged at the top of the processing table 1, a guide rail 3 which is uniformly distributed is fixedly connected at the bottom of the top plate 2, the bottom end of the guide rail 3 is fixedly connected at the top of the processing table 1, a push rod 4 is fixedly arranged at the top of the top plate 2, the bottom end of the push rod 4 penetrates through and extends to the bottom of the top plate 2, an upper seat 5 is fixedly connected at the bottom end of the push rod 4, the upper seat 5 is in sliding connection with the guide rail 3, an upper mold 6 is arranged in the upper seat 5, a base 7 is fixedly connected at the top of the processing table 1, a lower mold 8 is arranged in the base 7, a cooling cavity 9 is arranged in the base 7, a water storage tank 10 is fixedly connected on the inner bottom wall of the processing table 1, a refrigerating device 11 is fixedly arranged at the right side of the water storage tank 10, a flow distribution tank 12 is fixedly connected at the top of the water storage tank 10, the inner wall of the shunt box 12 is fixedly connected with evenly distributed shunt pipes 13, the top ends of the shunt pipes 13 penetrate and extend to the inside of the cooling cavity 9, the inner bottom wall of the water storage box 10 is fixedly connected with a partition plate 14, the top of the water storage box 10 is fixedly provided with a liquid drawing pump 15 and a reflux pump 16, the liquid drawing pump 15 and the reflux pump 16 are respectively positioned at the left side and the right side of the partition plate 14, the bottom end of the liquid drawing pump 15 is communicated with the inside of the water storage box 10, the liquid drawing pump 15 is communicated with the inside of the shunt box 12 through a pipeline, the top end of the reflux pump 16 is communicated with the inside of the cooling cavity 9, the bottom end of the reflux pump 16 is fixedly connected with a reflux pipe 17, the inner wall of the water storage box 10 is fixedly connected with an extension bag 18, the other end of the reflux pipe 17 penetrates and extends to the inside of the extension bag 18, the extension bag 18 is provided with a pressure valve 19, the top of the processing table 1 is provided with a sealing structure 20, the sealing structure 20 comprises a mounting groove 2001, the mounting groove 2001 is opened in the bottom of last seat 5, fixed mounting has electromagnetic plate 2002 on the interior roof of mounting groove 2001, electromagnetic plate 2002's bottom magnetism is connected with magnetic plate 2003, magnetic plate 2003 sliding connection is on mounting groove 2001's inner wall, magnetic plate 2003's bottom fixedly connected with annular clamp plate 2004, the top fixedly connected with sealing ring 2005 of base 7, sealing ring 2005 is located mounting groove 2001's bottom, electromagnetic plate 2002 and control panel 21 electric connection, install check valve 23 on shunt tubes 13, check valve 23 is located the inside of shunt box 12.

Through setting up cooling chamber 9 and carrying out even heat transfer with lower mould 8 to can reduce the temperature of grid behind the injection moulding, reduce cooling time and improve injection molding efficiency, and can shunt the coolant liquid through the setting of extension bag 18 and division board 14, in order to avoid the circulation to use in-process coolant liquid to appear heat transfer each other and influence the cooling effect, and improve the leakproofness between upper mould 6 and the lower mould 8 through setting up seal structure 20, improve the quality of moulding plastics.

The front of the processing table 1 is fixedly provided with a control panel 21, and the sealing structure 20, the push rod 4, the liquid pump 15, the reflux pump 16 and the refrigeration equipment 11 are electrically connected with the control panel 21. The inner wall of the mounting groove 2001 is provided with a guide groove 22, and the magnetic plate 2003 is slidably connected to the inner wall of the guide groove 22. The guide groove 22 may be provided to restrict the magnetic plate 2003 such that the magnetic plate 2003 and the annular pressure plate 2004 always remain within the mounting groove 2001 for movement in a vertical direction. The seal ring 2005 has a ring shape in plan view, and the seal ring 2005 is made of heat-resistant rubber.

When the automobile grille is subjected to injection molding production, a user controls the push rod 4 to be electrified, the push rod 4 drives the upper seat 5 to move downwards, the upper die 6 moves downwards along with the push rod 4, the sealing ring 2005 firstly contacts with the annular pressing plate 2004 along with the continuous movement of the push rod 4, the annular pressing plate 2004 is stressed to push the magnetic plate 2003 upwards until the sealing ring 2005 completely enters the installation groove 2001, the upper seat 5 is attached to the base 7 at the moment, the upper die 6 is attached to the lower die 8, the current intensity of the electromagnetic plate 2002 is increased by the user, the electromagnetic plate 2002 generates a magnetic field, the magnetic plate 2003 starts to move downwards under the action of the magnetic field to press the sealing ring 2005, the sealing ring 2005 deforms to be attached to the inner wall of the installation groove 2001, the sealing effect is improved, the injection molding production is carried out immediately, the user controls the liquid pump 15 to be electrified after the injection molding is completed, the suction pump 15 generates suction force after being electrified to pump the cooling liquid on the left side of the partition plate 14 out and discharge the cooling liquid into the shunt box 12, the cooling liquid enters the cooling cavity 9 through the multi-component flow pipe 13, the cooling liquid exchanges heat with the lower die 8, so that the temperature of the grid injection molding part is reduced, the cooled cooling liquid is stored on the right side of the partition plate 14, after cooling is finished, a person controls the reflux pump 16 to pump the cooling liquid in the cooling cavity 9, the cooling liquid enters the expansion bag 18 through the reflux pipe 17, the expansion bag 18 gradually collides, the cooling liquid on the right side of the partition plate 14 overflows to the left side of the partition plate 14, the temperature of the overflowed cooling liquid is lower until the cooling liquid in the cooling cavity 9 enters the expansion bag 18, the pressure valve 19 is opened after the pressure valve 19 reaches a set value, the cooling liquid is discharged from the inside the expansion bag 18, then the pressure valve 19 is closed, the cooling device 11 cools the cooling liquid, and efficient circulating cooling is realized, the upper die 6 and the lower die 8 are driven to be separated by the user control push rod 4.

Claims

1. The utility model provides a mould is used in car grid injection molding, includes processing platform (1), its characterized in that: the top of processing platform (1) is provided with roof (2), the bottom fixedly connected with evenly distributed guide rail (3) of roof (2), the bottom fixed connection of guide rail (3) is at the top of processing platform (1), the top fixed mounting of roof (2) has push rod (4), the bottom of push rod (4) runs through and extends to the bottom of roof (2), the bottom fixedly connected with upper seat (5) of push rod (4), upper seat (5) and guide rail (3) sliding connection, the internally mounted of upper seat (5) has upper mould (6), the top fixedly connected with base (7) of processing platform (1), the internally mounted of base (7) has lower mould (8), cooling chamber (9) have been seted up to the inside of base (7), fixedly connected with water storage tank (10) on the inner bottom wall of processing platform (1), the right side fixed mounting of water storage tank (10) has refrigeration plant (11), the top fixedly connected with shunt box (12) of water storage tank (10), shunt tubes (13) are connected with inner wall (13) and are connected with division plate (13) in the inside of shunt tubes (13), the top fixed mounting of water storage box (10) has drawing liquid pump (15) and backwash pump (16), drawing liquid pump (15) and backwash pump (16) are located the left and right sides of division board (14) respectively, the bottom of drawing liquid pump (15) is linked together with the inside of water storage box (10), drawing liquid pump (15) are linked together through the inside of pipeline and shunt box (12), the top of backwash pump (16) is linked together with the inside of cooling chamber (9), the bottom fixedly connected with back flow (17) of backwash pump (16), fixedly connected with extension bag (18) on the inner wall of water storage box (10), the other end of back flow (17) runs through and extends to the inside of extension bag (18), install pressure valve (19) on extension bag (18), the top of processing platform (1) is provided with seal structure (20).

2. The mold for injection molding of an automotive grill according to claim 1, characterized in that: the front of the processing table (1) is fixedly provided with a control panel (21), and the sealing structure (20), the push rod (4), the liquid pump (15), the reflux pump (16) and the refrigerating equipment (11) are electrically connected with the control panel (21).

3. The mold for injection molding of an automotive grill according to claim 2, characterized in that: the sealing structure comprises a mounting groove (2001), the bottom of an upper seat (5) is arranged in the mounting groove (2001), an electromagnetic plate (2002) is fixedly arranged on the inner top wall of the mounting groove (2001), a magnetic plate (2003) is magnetically connected to the bottom of the electromagnetic plate (2002), the magnetic plate (2003) is slidably connected to the inner wall of the mounting groove (2001), an annular pressing plate (2004) is fixedly connected to the bottom of the magnetic plate (2003), a sealing ring (2005) is fixedly connected to the top of a base (7), the sealing ring (2005) is arranged at the bottom of the mounting groove (2001), and the electromagnetic plate (2002) is electrically connected with a control panel (21).

4. A mold for injection molding of automotive grilles according to claim 3, characterized in that: the inner wall of the mounting groove (2001) is provided with a guide groove (22), and the magnetic plate (2003) is in sliding connection with the inner wall of the guide groove (22).

5. A mold for injection molding of automotive grilles according to claim 3, characterized in that: the seal ring (2005) has a ring shape in plan view, and the seal ring (2005) is made of heat-resistant rubber.

6. The mold for injection molding of an automotive grill according to claim 1, characterized in that: the one-way valve (23) is arranged on the shunt tube (13), and the one-way valve (23) is positioned in the shunt box (12).