CN218948317U

CN218948317U - Injection mold for wide skirt edge door plate of automobile

Info

Publication number: CN218948317U
Application number: CN202223608469.2U
Authority: CN
Inventors: 黄金申; 干洋洪; 吴照生
Original assignee: Ningbo Fareast Mould Making Co ltd
Current assignee: Ningbo Fareast Mould Making Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-02
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses an injection mold for a wide skirt door plate of an automobile, which comprises a fixed mold mechanism, wherein the fixed mold mechanism comprises a cavity plate and a glue injection plate, and a fixed mold cavity is arranged on the cavity plate; the movable die mechanism comprises a core plate, a thimble plate group and a bottom plate, wherein the thimble plate group comprises an ejection rod group used for ejecting an automobile door plate, a thimble top plate, a thimble panel, a plurality of groups of driving cylinders for driving the thimble top plate and the thimble panel; wherein, be provided with the loudspeaker net insert that is used for the loudspeaker net on the shaping car door plant on the core, still including being used for ejecting thimble pole group with the loudspeaker net on the car door plant, thimble pole group includes: the shaping ejector rod is provided with a plurality of horn meshes which are used for ejecting out of the automobile door plate; the upper end of the fixed plate group is used for connecting the forming ejector rod; the upper end of the limiting pull rod is connected to the fixed plate group, and the lower end of the limiting pull rod is spliced and limited on the thimble panel; and one end of the elastic piece is fixed on the core plate, the other end of the elastic piece is abutted against the fixed plate group, and when the thimble panel moves upwards, the elastic piece drives the fixed plate group to move upwards. The forming ejector rod has the effect of shortening the stroke of the forming ejector rod on the horn net.

Description

Injection mold for wide skirt edge door plate of automobile

Technical Field

The utility model relates to the field of automobile interior trim part processing, in particular to an injection mold for an automobile wide skirt edge door plate.

Background

The ejector plate of the existing automobile door inner decoration plate die comprises a core, ejector pins, a straight ejector, an inclined ejector, an ejector pin panel, an ejector pin base plate and the like from top to bottom, a horn net on an automobile inner decoration plate is designed on the ejector pin plate, and the ejector pin base plate and the ejector plate are pushed to synchronously eject to the tail end of a stroke by providing ejection power (an oil cylinder and the like), so that the whole ejection action is completed.

But the ejection stroke of the mould with the structure is generally larger, the ejector pin structure on the ejector plate for ejecting the horn net is thin and long, and in the production process, the ejector pin is easy to shake due to larger ejection distance, so that the ejector pin is easy to fuzzing, bite and fracture, and the problems of top printing and the like are easy to occur on the surface of a product.

Disclosure of Invention

In order to shorten the thimble stroke on the loudspeaker net, the application provides an automobile wide skirt door plant injection mold.

The application provides a wide shirt rim door plant injection mold of car adopts following technical scheme:

an automotive wide skirt door panel injection mold comprising:

the fixed die mechanism comprises a cavity plate and a glue injection plate, wherein a fixed die cavity is arranged on the cavity plate;

the movable die mechanism comprises a core plate, a thimble plate group and a bottom plate, wherein the thimble plate group comprises an ejection rod group used for ejecting an automobile door plate, a thimble top plate, a thimble panel, a plurality of groups of driving cylinders for driving the thimble top plate and the thimble panel;

wherein, be provided with the loudspeaker net insert that is used for the loudspeaker net on the shaping car door plant on the core, still including being used for ejecting thimble pole group with the loudspeaker net on the car door plant, thimble pole group includes:

the shaping ejector rod is provided with a plurality of horn meshes which are used for ejecting out of the automobile door plate;

the upper end of the fixed plate group is used for connecting the forming ejector rod;

the upper end of the limiting pull rod is connected to the fixed plate group, and the lower end of the limiting pull rod is spliced and limited on the thimble panel;

and one end of the elastic piece is fixed on the core plate, the other end of the elastic piece is abutted against the fixed plate group, and when the thimble panel moves upwards, the elastic piece drives the fixed plate group to move upwards.

Through adopting above-mentioned technical scheme, when ejecting car width shirt rim door plant, start the actuating cylinder, actuating cylinder orders about thimble roof and thimble panel to the core board orientation removal, and thimble roof and thimble panel order about ejector pin group is ejecting with car width shirt rim door plant, and when thimble roof and thimble panel removed, the thimble panel is spacing to spacing pull rod, under the effect of elastic component, orders about fixed plate group to car width shirt rim door plant orientation removal, and fixed plate group drives the shaping ejector pin and ejects the loudspeaker net on the car door plant. Under the effect of the limiting pull rod, the length of the forming ejector rod is shortened, so that the stroke of the forming ejector rod on the horn net is shortened, and the risk of damage to the ejector rod is reduced.

Optionally, the fixed plate group includes the mounting panel of installation shaping ejector pin, with the thimble push pedal that the mounting panel is fixed, be provided with the standing groove that supplies elastic component upper end grafting location on the thimble push pedal, spacing pull rod upper end is fixed in on the thimble push pedal.

Through adopting above-mentioned technical scheme, through setting up mounting panel and thimble push pedal, set up the standing groove that supplies elastic component upper end male in the thimble push pedal, fix a position the elastic component through the standing groove, reduce the risk of elastic component skew for the fixed of elastic component is more stable with the resilience.

Optionally, a fixing plate fixed by bolts is arranged on the core plate, the lower end of the elastic piece is limited on the fixing plate, and a through hole for the limiting pull rod to penetrate is formed in the fixing plate.

Through adopting above-mentioned technical scheme, through setting up the fixed plate, the elastic component lower extreme is fixed in on the fixed plate, and when the thimble panel was spacing to the spacing pull rod, the elastic component drove the thimble push pedal to the automobile panel direction removal to it is ejecting with the loudspeaker net on the automobile door plant.

Optionally, a counter bore through which the limiting pull rod passes is formed in the thimble panel, and a limiting ring limited in the counter bore is arranged on the limiting pull rod.

Through adopting above-mentioned technical scheme, through setting up the spacing ring on spacing pull rod, the counter bore is spacing to spacing pull rod carries out spacingly, when the thimble panel moves to the direction of keeping away from the core, the thimble panel drives spacing pull rod synchronous motion, the spacing pull rod drives the thimble push pedal and removes, the thimble push pedal extrudees the elastic component this moment, the elastic component is extruded to compression state, when the thimble panel is spacing to the spacing pull rod, the elastic component resumes deformation, the elastic component drives the thimble push pedal to move to the automobile panel direction, thereby it is ejecting with the loudspeaker net on the automobile door plant, the ejecting of loudspeaker net has been made things convenient for.

Optionally, a plurality of adjusting washers for positioning the limiting rings are further arranged at the counter bores.

By adopting the technical scheme, the adjusting washer is arranged, the stroke of the positioning ring can be controlled by the adjusting washer, and the stroke of the limiting pull rod is controlled, so that the ejection distance of the forming ejector rod is controlled.

Optionally, the limit pull rod lower extreme is provided with the polygon prism, set up the locating hole that supplies the polygon prism to peg graft on the bottom plate.

By adopting the technical scheme, because the limiting pull rod is cylindrical, the limiting pull rod can possibly rotate, and the forming thimble is worn. This scheme is through setting up the polygon prism, and has offered on the bottom plate and has supplied polygon prism male locating hole, and the locating hole can be spacing to the polygon prism to carry out axial spacing to the spacing pull rod, thereby the impaired risk of clearance shaping ejector pin.

Optionally, a positioning plate is arranged on the bottom plate, and the positioning hole is formed in the positioning plate.

By adopting the technical scheme, the die runs for a long time, and the matching between the positioning hole and the polygon prism can be deviated. This scheme is through setting up the locating plate, when locating hole size deviation is too big, can trade the locating plate down, installs new locating plate, reduces the unstable risk of cooperation between locating hole and the polygon post.

Optionally, a cooling channel is provided on the side wall of the cavity plate, and a cooling pipeline is provided in the cooling channel, and the cooling pipeline is circumferentially arranged along the skirt edge.

By adopting the technical scheme, the wide skirt is easy to deform, and the production is unqualified. This scheme is through setting up cooling channel, and sets up cooling duct in cooling channel, can let in cooling duct with the coolant liquid in, the coolant liquid cools off wide shirt rim, reduces the risk that wide shirt rim warp.

Optionally, the guide device further comprises a guide group, the guide group comprises a plurality of guide rods, the lower ends of the guide rods are connected with the fixing plate, the upper ends of the guide rods are connected with the core plate, and guide holes for the guide rods to pass through are formed in the mounting plate and the ejector pin pushing plate.

Through adopting above-mentioned technical scheme, through setting up the direction group, remove to be when thimble push pedal and mounting panel, the guide bar can be spacing thimble push pedal and mounting panel, reduces the risk that thimble push pedal and mounting panel slide and appear the deviation for the slippage of thimble push pedal and mounting panel is more stable.

Optionally, a plurality of cushion nails are arranged on the fixing plate.

Through adopting above-mentioned technical scheme, through setting up the pad nail, can reduce the area of contact of thimble push pedal and fixed plate, reduce because of rubbish and dust fall on thimble bottom plate and fixed plate and cause the risk of compound die not in place.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the injection mold for the automobile wide skirt door plate reduces the length of the forming ejector rod by arranging the ejector rod group, thereby shortening the stroke of the forming ejector rod on the horn net and further reducing the risk of damage to the ejector rod;

2. the automobile wide skirt edge door plate injection mold has the advantages that the placing grooves are formed, the placing grooves are used for positioning the elastic pieces, the risk of deflection of the elastic pieces is reduced, and the elastic pieces are more stable in fixation and rebound;

3. the injection mold for the wide skirt edge door plate of the automobile controls the stroke of the limiting pull rod by arranging the adjusting gasket, thereby controlling the ejection distance of the forming ejector rod.

Drawings

FIG. 1 is a schematic structural view of an injection mold for a wide skirt door panel of an automobile.

FIG. 2 is a schematic view of an exploded construction of a stationary mold assembly, an automotive door panel, and a cooling duct.

Fig. 3 is a schematic structural view of the movable mold assembly.

FIG. 4 is a schematic view of an alternative view of an injection mold for a wide skirt door panel of an automobile.

FIG. 5 is a schematic view of the structure of the thimble rod assembly and the speaker mesh insert.

FIG. 6 is a schematic diagram of an exploded construction of the thimble rod assembly and the horn mesh insert.

FIG. 7 is a schematic view of an exploded view of another view of the thimble rod assembly and the horn mesh insert.

Fig. 8 is a cross-sectional view of the movable mold assembly.

Fig. 9 is an enlarged view of the portion a in the drawing.

Reference numerals illustrate: 1. a stationary mold assembly; 11. a glue injection plate; 12. an upper backing plate; 13. a cavity plate; 131. a die cavity is fixed; 132. a cooling channel; 1321. a cooling pipe; 2. a movable mold assembly; 21. a core plate; 211. a moving mold cavity; 213. inserting grooves; 2131. a speaker mesh insert; 214. a fixing groove; 22. a needle ejection plate group; 221. an ejector rod group; 222. a thimble top plate; 2221. a countersunk hole; 22211. adjusting the gasket; 223. a thimble panel; 224. a driving oil cylinder; 23. a lower cushion block; 24. a bottom plate; 241. a connecting groove; 2411. a positioning plate; 24111. a positioning groove; 3. the thimble rod group; 31. forming a push rod; 32. a fixed plate group; 321. a mounting plate; 322. a thimble push plate; 3221. a guide hole; 3222. a screw hole; 3223. a placement groove; 323. a fixing plate; 3231. nailing; 3232. a through hole; 33. a limit pull rod; 331. a stud; 332. a limiting ring; 333. a polygonal column; 34. an elastic member; 341. a compression spring; 4. a guide group; 41. a guide rod.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses an injection mold for a wide skirt door plate of an automobile.

Referring to fig. 1 and 2, an injection mold for an automobile wide skirt door panel includes a stationary mold assembly 1 and a movable mold assembly 2. The fixed mold assembly 1 includes an injection plate 11, an upper backing plate 12, and a cavity plate 13. The upper backing plate 12 is fixed on the glue injection plate 11 through bolts, and the cavity plate 13 is fixed on one side, away from the glue injection plate 11, of the upper backing plate 12 through bolts. A fixed cavity 131 is formed in the side of the cavity plate 13 away from the upper base plate 12.

Referring to fig. 3, the movable mold assembly 2 includes a core plate 21, an ejector plate group 22, a lower pad block 23, and a bottom plate 24. The core plate 21 is arranged on one side of the cavity plate 13 far away from the upper base plate 12, a movable mold cavity 211 is arranged on one side of the core plate 21 close to the cavity plate 13, the movable mold cavity 211 and the fixed mold cavity 131 are arranged oppositely, and after feed liquid is injected into the movable mold cavity 211 and the fixed mold cavity 131, the feed liquid is cooled to form an automobile panel. The upper cushion block is provided with a plurality of, the upper cushion block is arranged on one side of the cavity plate 13 far away from the core plate 21 through bolts, the bottom plate 24 is arranged on one side of the lower cushion block 23 far away from the core plate 21 through bolts, and the thimble plate group 22 is arranged between the bottom plate 24 and the core plate 21.

Referring to fig. 2, a cooling passage 132 is provided in a side wall of the cavity plate 13, and a cooling pipe 1321 is embedded in the cooling passage 132, and the cooling pipe 1321 is arranged along a wide skirt circumference of the door panel of the automobile. After the material liquid is cooled and formed, cooling water is introduced into the cooling pipeline 1321, and the cooling water cools the skirt edge of the automobile door panel, so that the risk of deformation of the skirt edge of the automobile door panel is reduced.

Referring to fig. 4, the ejector plate group 22 includes an ejector pin rod group 3 for ejecting an automobile door panel, an ejector pin top plate 222, an ejector pin panel 223, and a plurality of groups of driving cylinders 224 for driving the ejector pin top plate 222 and the ejector pin panel 223. The ejector pin top plate 222 is positioned at the lower side of the core plate 21, the ejector pin panel 223 is fixed at one side of the ejector pin top plate 222 close to the core plate 21 through bolts, the ejector pin rod group 3 is fixed on the ejector pin top plate 222, through holes for the ejector pin plate group 22 to pass through are formed in the ejector pin panel 223 and the core plate 21, when the ejector pin top plate 222 moves towards the core plate 21, the ejector pin top plate 222 drives the ejector pin rod group 3 to be inserted into the movable mold cavity 211, and at the moment, the ejector pin rod group 3 can eject the automobile door panel.

The driving oil cylinders 224 are provided with four groups, the four groups of driving oil cylinders 224 are symmetrically arranged on two side walls of the core plate 21 through bolts, oil rods of the driving oil cylinders 224 are arranged towards the bottom plate 24, the oil rods of the driving oil cylinders 224 are fixed on the ejector pin top plate 222 through nuts, after the material liquid is cooled in the movable die cavity 211 and the fixed die cavity 131, the driving oil cylinders 224 are started, the oil rods of the driving oil cylinders 224 are recovered, the ejector pin top plate 222 and the ejector pin panel 223 are driven to move towards the core plate 21, so that the ejector pin rod group 3 is driven to move, the automobile door plate is ejected out, and the blanking of the automobile door plate is facilitated.

Referring to fig. 3, the core plate 21 has an insert groove 213 formed in the bottom of the cavity 211, and a horn mesh insert 2131 for forming a horn mesh on an automobile door panel is inserted into the insert groove 213. Because the horn mesh part is smaller, the precision requirement is higher, so that long-time test is needed, when the test is unqualified, the horn mesh insert 2131 can be detached for polishing, and the whole core plate 21 does not need to be polished, so that the test is convenient.

Referring to fig. 5, the ejector pin rod group 3 for ejecting the horn mesh is further included. The ejector pin rod group 3 comprises a forming ejector pin 31, a fixed plate group 32, a limiting pull rod 33 and an elastic piece 34.

Referring to fig. 5 and 8, the fixed plate group 32 includes a mounting plate 321, an ejector pin pusher plate 322, and a fixed plate 323. The side of the core plate 21 away from the cavity plate 13 is provided with a fixing groove 214 into which the mounting plate 321, the ejector pin pusher plate 322 and the fixing plate 323 are inserted. The mounting plate 321 is fixed in the notch department of fixed slot 214 through the bolt, and thimble push pedal 322 is located the mounting plate 321 and is close to one side of fixed slot 214 tank bottom, and mounting plate 321 is fixed in the roof push pedal through the bolt.

The molding ejector rods 31 are provided with a plurality of molding ejector rods 31, the molding ejector rods 31 are arranged on the ejector pin pushing plate 322, mounting holes for the molding ejector rods 31 to penetrate are formed in the mounting plate 321, connecting holes for the molding ejector rods 31 to penetrate are formed in the core plate 21, and the connecting holes are communicated with the movable mold cavity 211. By moving the ejector pin pushing plate 322, the ejector pin pushing plate 322 drives the forming ejector pin 31 to move towards the direction of the movable die cavity 211, so that the forming ejector pin 31 is ejected out of the movable die cavity 211, and the automobile door panel is ejected out.

Referring to fig. 5 to 7, a guide group 4 is provided on the fixing plate 323, the guide group 4 includes a plurality of guide rods 41, in this embodiment, four guide rods 41 are provided, one end of each guide rod 41 is fixed to the fixing plate 323 by bolts, and guide holes 3221 through which the guide rods 41 pass are provided on the ejector pin pusher 322 and the mounting plate 321. The ejector pin pushing plate 322 and the mounting plate 321 can be limited through the guide rod 41, so that the risk of moving and shifting the ejector pin pushing plate 322 and the mounting plate 321 is reduced, and the ejector pin pushing plate 322 and the mounting plate 321 are more stable to fix.

The fixed plate 323 is provided with a plurality of cushion nails 3231 near one side of the ejector pin pushing plate 322, and the cushion nails 3231 are abutted to the ejector pin pushing plate 322. By providing the cushion pin 3231, the contact area between the ejector pin pusher plate 322 and the fixed plate 323 can be reduced, and the risk of insufficient mold closing due to the falling of garbage and dust on the ejector pin bottom plate 24 and the fixed plate 323 can be reduced.

Referring to fig. 7-9, stop bar 33 passes vertically through fixed plate 323, ejector pin top plate 222, and ejector pin panel 223 in sequence. The fixed plate 323 is provided with a through hole 3232 for the limit pull rod 33 to pass through, one end of the limit pull rod 33 far away from the bottom plate 24 is coaxially provided with a stud 331, and the thimble push plate 322 is provided with a screw hole 3222 for the threaded connection of the stud 331. The limiting pull rod 33 is coaxially provided with a limiting ring 332, and one side of the thimble top plate 222 away from the thimble panel 223 is provided with a countersunk hole 2221 for the limiting ring 332 to sink. In this embodiment, the elastic member 34 is preferably configured as a compression spring 341, one end of the compression spring 341 abuts against the fixed plate 323, and the ejector pin pushing plate 322 is provided with a placement groove 3223 into which the compression spring 341 is inserted.

During die assembly, the ejector pin top plate 222 and the ejector pin panel 223 move towards the bottom plate 24, and the counter bore 2221 limits the limiting ring 332, so that the ejector pin top plate 222 drives the limiting pull rod 33 to move towards the bottom plate 24, the limiting pull rod 33 drives the ejector pin push plate 322 and the mounting plate 321 to move towards the fixed plate 323, the forming ejector pin 31 is retracted into the connecting hole, and the compression spring 341 is extruded by the ejector pin top plate 222 to be in a compression state.

During die sinking, the ejector pin top plate 222 and the ejector pin panel 223 move towards the direction of the core plate 21, at the moment, the counter bore 2221 does not limit the limiting ring 332, the compression spring 341 recovers deformation, the compression spring 341 moves the ejector pin push plate 322 and the mounting plate 321 towards the direction of the movable die cavity 211, the ejector pin push plate 322 ejects the formed ejector rod 31 out of the movable die cavity 211, so that the automobile door plate is ejected, the limiting pull rod 33 shortens the length of the formed ejector rod 31, the stroke of the formed ejector rod 31 on the horn net is shortened, and the risk of damage of the ejector pins is further reduced.

Referring to fig. 9, the ejector pin pusher plate 322 has an adjustment washer 22211 embedded in the counter bore 2221, the adjustment washer 22211 abuts against the bottom of the counter bore 2221, and the stopper ring 332 abuts against the adjustment washer 22211. The stroke of the positioning ring can be adjusted by adjusting the gasket 22211, so that the stroke of the limit pull rod 33 is adjusted, and the ejection distance of the forming ejector rod 31 is further controlled. In this embodiment, the number of the adjusting washers 22211 is selected according to the required travel, so that the travel of the stop lever 33 can be conveniently adjusted.

A connecting groove 241 is formed in one side, far away from the thimble bottom plate 24, of the bottom plate 24, a positioning plate 2411 is embedded in the connecting groove 241, and the positioning plate 2411 is installed in the connecting groove 241 through bolts. The positioning plate 2411 is provided with a positioning groove 24111, and one end of the limiting pull rod 33 close to the positioning plate 2411 is integrally provided with a polygon prism 333, and the polygon prism 333 is vertically inserted into the positioning groove 24111. The positioning groove 24111 can limit the polygon 333, so as to limit the circumference of the limit pull rod 33, reduce the risk of circumferential rotation of the limit pull rod 33, and reduce the risk of damage to the forming ejector rod 31.

The implementation principle of the injection mold for the automobile wide skirt edge door plate is as follows: during die sinking, the ejector pin top plate 222 and the ejector pin panel 223 move towards the direction of the core plate 21, at the moment, the counter bore 2221 does not limit the limiting ring 332, the compression spring 341 recovers deformation, the compression spring 341 moves the ejector pin push plate 322 and the mounting plate 321 towards the direction of the movable die cavity 211, and the ejector pin push plate 322 ejects the forming ejector rod 31 out of the movable die cavity 211, so that the automobile door panel is ejected out.

During die assembly, the ejector pin top plate 222 and the ejector pin panel 223 move towards the bottom plate 24, and the counter bore 2221 limits the limiting ring 332, so that the ejector pin top plate 222 drives the limiting pull rod 33 to move towards the bottom plate 24, the limiting pull rod 33 drives the ejector pin push plate 322 and the mounting plate 321 to move towards the fixed plate 323, the forming ejector pin 31 is retracted into the connecting hole, and the compression spring 341 is extruded by the ejector pin top plate 222 to be in a compression state. The limiting pull rod 33 shortens the length of the forming ejector rod 31, so that the stroke of the forming ejector rod 31 on the horn net is shortened, and the risk of damage to the ejector pins is reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. An injection mold for a wide skirt door panel of an automobile, comprising:

the fixed die mechanism comprises a cavity plate (13) and a glue injection plate (11), wherein a fixed die cavity (131) is arranged on the cavity plate (13);

the movable die mechanism comprises a core plate (21), a thimble plate group (22) and a bottom plate (24), wherein the thimble plate group (22) comprises an ejection rod group (221), a thimble top plate (222), a thimble panel (223), a plurality of groups of driving oil cylinders (224) for driving the thimble top plate (222) and the thimble panel (223) for ejecting an automobile door plate;

wherein, be provided with on the core (21) and be used for the horn net insert (2131) of the horn net on the shaping car door plant, still including being used for ejecting thimble pole group (3) of the horn net on the car door plant, thimble pole group (3) include:

the shaping ejector rod (31) is provided with a plurality of horn meshes which are used for ejecting out of the automobile door plate;

the upper end of the fixed plate group (32) is used for connecting the forming ejector rod (31);

the upper end of the limiting pull rod (33) is connected to the fixed plate group (32), and the lower end of the limiting pull rod is spliced and limited on the thimble panel (223);

and one end of the elastic piece (34) is fixed on the core plate (21), the other end of the elastic piece is abutted against the fixed plate group (32), and when the thimble panel (223) moves upwards, the elastic piece (34) drives the fixed plate group (32) to move upwards.

2. The injection mold for the wide skirt door panel of the automobile according to claim 1, wherein the fixing plate set (32) comprises a mounting plate (321) for mounting a forming ejector rod (31) and an ejector pin pushing plate (322) fixed with the mounting plate (321), a placing groove (3223) for inserting and positioning the upper end of the elastic piece (34) is formed in the ejector pin pushing plate (322), and the upper end of the limiting pull rod (33) is fixed on the ejector pin pushing plate (322).

3. The injection mold for the wide skirt door panel of the automobile according to claim 2, wherein a fixing plate (323) fixed by bolts is arranged on the core plate (21), the lower end of the elastic piece (34) is limited on the fixing plate (323), and a through hole (3232) for the limiting pull rod (33) to penetrate is formed in the fixing plate (323).

4. An injection mold for an automobile wide skirt door panel according to claim 1 or 3, wherein a counter bore (2221) through which the limit pull rod (33) passes is formed in the thimble panel (223), and a limit ring (332) limited in the counter bore (2221) is arranged on the limit pull rod (33).

5. The injection mold for the wide skirt door panel of an automobile according to claim 4, wherein a plurality of adjusting washers (22211) for positioning the limiting rings (332) are further arranged at the counter bore (2221).

6. The injection mold for the wide skirt door panel of the automobile according to claim 5, wherein a polygon (333) is arranged at the lower end of the limit pull rod (33), and a positioning hole for inserting the polygon (333) is arranged on the bottom plate (24).

7. The injection mold for the wide skirt door panel of the automobile according to claim 4, wherein a positioning plate (2411) is arranged on the bottom plate (24), and the positioning plate (2411) is arranged on the positioning plate (2411).

8. The injection mold for the door panel of the wide skirt of the automobile according to claim 4, wherein a cooling channel (132) is formed in the side wall of the cavity plate (13), a cooling pipeline (1321) is arranged in the cooling channel (132), and the cooling pipeline (1321) is circumferentially arranged along the skirt.

9. The injection mold for the wide-skirt door panel of the automobile according to claim 2, further comprising a guide group (4), wherein the guide group (4) comprises a plurality of guide rods (41), the lower ends of the guide rods (41) are connected with the fixed plate (323), the upper ends of the guide rods (41) are connected with the core plate (21), and guide holes (3221) for the guide rods (41) to pass through are formed in the mounting plate (321) and the thimble pushing plate (322).

10. The injection mold for the wide skirt door panel of an automobile according to claim 4, wherein a plurality of cushion nails (3231) are provided on the fixing plate (323).