CN216544426U

CN216544426U - Injection mold is used in automotive interior production of long-life

Info

Publication number: CN216544426U
Application number: CN202122667540.3U
Authority: CN
Inventors: 张云伟; 张银伟; 芮超
Original assignee: Shanghai Poling Precision Molding Co ltd
Current assignee: Shanghai Poling Precision Molding Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-05-17
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses an injection mold for producing long-life automotive interior trim, which comprises a bottom plate and a top plate, wherein two sides of two ends of the top of the bottom plate are respectively and fixedly connected with a supporting column. This injection mold is used in long-life automotive interior production passes through the dashpot and is provided with three groups respectively in the inside of upper die base both sides, when the compound die, start electric telescopic handle, electric telescopic handle stimulates the roof downwards, make the upper die base downstream gradually, the dashpot can contact with the die holder in advance this moment, the upper die base continues downstream simultaneously, flexible piece slides to the dashpot inside gradually, the spring can contract and play the buffering effect, can cushion before lower die base and upper die base compound die like this, prevent that damage appears in the great lower die base that leads to of impact force and upper die base when the compound die, prolong this injection mold's life, it does not have buffer structure to solve, lead to the mould to appear damaging easily, reduce its life's problem.

Description

Injection mold is used in automotive interior production of long-life

Technical Field

The utility model relates to the technical field of automotive interior production, in particular to an injection mold for producing long-service-life automotive interiors.

Background

In recent years, with the gradual popularization of household automobiles, the interior decoration of automobiles is diversified, most of the interior decoration of automobiles is produced by integral injection molding of a mold, and the injection mold for producing the interior decoration of automobiles at present has the following problems and defects: the cooling rate is slow, and the production efficiency of the automotive interior is reduced; the die is easy to damage due to no buffer structure, so that the service life of the die is shortened; the sealing effect is poor, the die assembly is not accurate enough, the leakage phenomenon easily occurs, and the injection mold for producing the automotive interior is improved according to the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection mold for producing automotive interiors with long service life, and aims to solve the problems that the cooling rate is low and the production efficiency of the automotive interiors is lowered in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a long-life injection mold for automotive interior production, includes bottom plate and roof, the both sides at bottom plate top both ends are fixedly connected with support column respectively, the top fixedly connected with die holder of support column, the bottom fixedly connected with upper die base of roof, the both sides of upper die base bottom are provided with buffering protective structure respectively, buffering protective structure includes dashpot, spring, hidden groove, flexible piece and buffer board, the both sides on bottom plate top are fixedly connected with electric telescopic handle respectively, electric telescopic handle's top and the bottom fixed connection of roof, the die holder outside is provided with quick cooling body, quick cooling body includes fan, fin board, cooling runner, inlet and liquid outlet.

Preferably, the fan is fixedly installed at the middle position of the top end of the bottom plate, the bottom end of the lower die base is uniformly provided with a fin plate, a cooling flow channel is arranged inside the lower die base, one end of the cooling flow channel is provided with a liquid inlet, and the other end of the cooling flow channel is provided with a liquid outlet.

Preferably, the cooling flow channel is spirally arranged inside the lower die holder, and the fin plates are distributed at equal intervals at the bottom end of the lower die holder.

Preferably, the dashpot is provided with three groups respectively in the inside of upper die base both sides, the inside top fixedly connected with spring of dashpot, the bottom of dashpot is provided with hides the groove, the flexible piece of bottom fixedly connected with of spring, the bottom fixedly connected with buffer board of flexible piece.

Preferably, the top end of the telescopic block is slidably embedded in the buffer groove, and the inner diameter of the hidden groove is larger than the outer diameter of the buffer plate.

Preferably, the bottom end of the upper die base is close to a sealing ring at the middle position, a sealing groove is formed in the top end of the lower die base close to the middle position, four corners of the bottom end of the upper die base are respectively fixedly connected with positioning blocks, and four corners of the top end of the lower die base are respectively provided with a positioning groove.

Preferably, the inner diameter of the positioning groove is larger than the outer diameter of the positioning block, and the positioning grooves correspond to the positioning blocks one to one.

Compared with the prior art, the utility model has the beneficial effects that: the long-life injection mold for producing the automotive interior not only realizes higher cooling rate, improves the production efficiency of the automotive interior, realizes the buffer structure, is not easy to damage the mold and prolongs the service life of the mold, but also realizes better sealing effect, accurate mold closing and difficult leakage;

(1) the cooling device is fixedly installed at the middle position of the top end of the bottom plate through the fan, the bottom end of the lower die holder is uniformly provided with the fin plate, the interior of the lower die holder is provided with the cooling runner, one end of the cooling runner is provided with the liquid inlet, the other end of the cooling runner is provided with the liquid outlet, when the cooling device is used, cooling liquid is continuously injected into the cooling runner through the liquid inlet, the cooling liquid flows out through the liquid outlet after absorbing heat, a die is cooled, the fan is started at the same time, the bottom of the lower die holder can be cooled through the fan, the air cooling efficiency can be improved through the fin plate, the die is comprehensively cooled through two cooling modes, the cooling speed of the die can be greatly improved, the automotive interior is rapidly molded in the injection mold, and the production efficiency of the automotive interior can be improved;

(2) three groups of buffer grooves are respectively arranged in two sides of the upper die base, springs are fixedly connected to the top ends of the inner parts of the buffer grooves, hidden grooves are formed in the bottom ends of the buffer grooves, telescopic blocks are fixedly connected to the bottom ends of the springs, buffer plates are fixedly connected to the bottom ends of the telescopic blocks, electric telescopic rods are started when the die is assembled, the top plates are pulled downwards by the electric telescopic rods, the upper die base gradually moves downwards, the buffer plates can be in contact with the lower die base in advance, the upper die base continues to move downwards, the telescopic blocks gradually slide towards the inner parts of the buffer grooves, the springs can contract to achieve a buffering effect, buffering can be performed before the lower die base and the upper die base are assembled, the lower die base and the upper die base are prevented from being damaged due to large impact force when the die is assembled, and the service life of the injection die is prolonged;

(3) through the upper die base bottom be close to middle position department fixedly connected with sealing washer, the seal groove has been seted up to the inside that the die holder top is close to intermediate position department, four corners difference fixedly connected with locating pieces of upper die base bottom, four corners on die holder top are provided with the constant head tank respectively, when die holder and upper die base compound die, the locating piece can inlay the inside of constant head tank and play the positioning action, make die holder and upper die base can accurate compound die, and the sealing washer can inlay the inside at the seal groove, seam between die holder and the upper die base is sealed, can effectively avoid appearing the seepage phenomenon like this.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention during mold separation;

FIG. 2 is a schematic sectional view of the mold clamping of the present invention;

FIG. 3 is an enlarged partial cross-sectional view taken at A in FIG. 1 according to the present invention;

fig. 4 is an enlarged partial cross-sectional side view of the upper die base according to the present invention.

In the figure: 1. a base plate; 2. a lower die holder; 3. a fan; 4. a fin plate; 5. a support pillar; 6. a cooling flow channel; 7. a liquid inlet; 8. an electric telescopic rod; 9. a top plate; 10. a seal ring; 11. an upper die holder; 12. a sealing groove; 13. positioning a groove; 14. a liquid outlet; 15. a buffer tank; 16. a spring; 17. hiding the groove; 18. a telescopic block; 19. a buffer plate; 20. and (5) positioning the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-4, an injection mold for producing long-life automotive interior trim includes a bottom plate 1 and a top plate 9, wherein two sides of two ends of the top of the bottom plate 1 are fixedly connected with support pillars 5 respectively, the top of each support pillar 5 is fixedly connected with a lower mold base 2, the bottom of the top plate 9 is fixedly connected with an upper mold base 11, two sides of the bottom of the upper mold base 11 are provided with buffer protection structures respectively, each buffer protection structure includes a buffer slot 15, a spring 16, a hidden slot 17, a telescopic block 18 and a buffer plate 19, two sides of the top of the bottom plate 1 are fixedly connected with an electric telescopic rod 8 respectively, the top of the electric telescopic rod 8 is fixedly connected with the bottom of the top plate 9, a quick cooling mechanism is arranged outside the lower mold base 2, and comprises a fan 3, a fin plate 4, a cooling flow passage 6, a liquid inlet 7 and a liquid outlet 14;

the fan 3 is fixedly arranged at the middle position of the top end of the bottom plate 1, the bottom end of the lower die holder 2 is uniformly provided with the fin plate 4, the interior of the lower die holder 2 is provided with the cooling flow passage 6, one end of the cooling flow passage 6 is provided with the liquid inlet 7, and the other end of the cooling flow passage 6 is provided with the liquid outlet 14;

the cooling flow channel 6 is spirally arranged inside the lower die holder 2, and the fin plates 4 are distributed at equal intervals at the bottom end of the lower die holder 2;

specifically, as shown in fig. 1 and fig. 2, when using, constantly pour into the coolant liquid into to the inside of cooling channel 6 through inlet 7, the coolant liquid absorbs and flows out through liquid outlet 14 after the heat, cool off the mould, start fan 3 simultaneously, fan 3 can carry out the forced air cooling to the bottom of die holder 2, can improve air-cooled efficiency through fin 4, carry out comprehensive cooling to the mould through two kinds of cooling methods like this, can improve the cooling rate of mould greatly, make automotive interior in the inside rapid prototyping of injection mold, thereby can improve the production efficiency of automotive interior.

Example 2: three groups of buffer grooves 15 are respectively arranged in the two sides of the upper die holder 11, the top end of the inside of the buffer groove 15 is fixedly connected with a spring 16, the bottom end of the buffer groove 15 is provided with a hidden groove 17, the bottom end of the spring 16 is fixedly connected with an expansion block 18, and the bottom end of the expansion block 18 is fixedly connected with a buffer plate 19;

the top end of the telescopic block 18 is embedded in the buffer groove 15 in a sliding manner, and the inner diameter of the hidden groove 17 is larger than the outer diameter of the buffer plate 19;

specifically, as shown in fig. 1, fig. 3 and fig. 4, when the compound die, start electric telescopic handle 8, electric telescopic handle 8 stimulates roof 9 downwards, make upper die base 11 downstream gradually, buffer board 19 can contact with die holder 2 in advance this moment, upper die base 11 continues downstream simultaneously, flexible piece 18 slides to buffer slot 15 inside gradually, spring 16 can contract and play the buffering effect, can cushion before lower die base 2 and upper die base 11 compound die like this, prevent that damage appears in lower die base 2 and upper die base 11 because the impact force is great when the compound die, prolong this injection mold's life.

Example 3: a sealing ring 10 is fixedly connected to the bottom end of the upper die base 11 close to the middle, a sealing groove 12 is formed in the top end of the lower die base 2 close to the middle, positioning blocks 20 are fixedly connected to four corners of the bottom end of the upper die base 11 respectively, and positioning grooves 13 are formed in four corners of the top end of the lower die base 2 respectively;

the inner diameter of the positioning groove 13 is larger than the outer diameter of the positioning block 20, and the positioning grooves 13 correspond to the positioning blocks 20 one by one;

specifically, as shown in fig. 1 and 2, when the lower die holder 2 and the upper die holder 11 are assembled, the positioning block 20 can be embedded in the positioning groove 13 to perform positioning, so that the lower die holder 2 and the upper die holder 11 can be accurately assembled, and the sealing ring 10 can be embedded in the sealing groove 12 to seal the seam between the lower die holder 2 and the upper die holder 11, thereby effectively avoiding leakage.

The working principle is as follows: when the utility model is used, firstly, during die assembly, the electric telescopic rod 8 is started, the electric telescopic rod 8 pulls the top plate 9 downwards, the upper die base 11 gradually moves downwards, at the same time, the buffer plate 19 is in contact with the lower die base 2 in advance, meanwhile, the upper die base 11 continues to move downwards, the telescopic block 18 gradually slides towards the inside of the buffer groove 15, the spring 16 contracts to play a buffer effect, thus the buffer effect can be realized before the lower die base 2 and the upper die base 11 are assembled, the damage of the lower die base 2 and the upper die base 11 caused by large impact force during die assembly is prevented, the service life of the injection die is prolonged, after the die assembly of the lower die base 2 and the upper die base 11 is completed, the positioning block 20 can be embedded in the positioning groove 13 to play a positioning role, the lower die base 2 and the upper die base 11 can be accurately assembled, the sealing ring 10 can be embedded in the sealing groove 12, and the seam between the lower die base 2 and the upper die base 11 is sealed, can effectively avoid appearing the seepage phenomenon like this, at last through moulding plastics the mouth to this mould inside injection fluid material, the inside injection cooling liquid that constantly flows into cooling channel 6 through inlet 7 after, the cooling liquid absorbs heat and then flows out through liquid outlet 14, cool off the mould, start fan 3 simultaneously, fan 3 can carry out the forced air cooling to the bottom of die holder 2, can improve air-cooled efficiency through fin 4, carry out comprehensive cooling to the mould through two kinds of cooling methods like this, can improve the cooling rate of mould greatly, make the automotive interior quick shaping inside injection mold, thereby can improve the production efficiency of automotive interior.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a long-life automotive interior production is with injection mold, includes bottom plate (1) and roof (9), its characterized in that: two sides of two ends of the top of the bottom plate (1) are respectively fixedly connected with a supporting column (5), the top end of the supporting column (5) is fixedly connected with a lower die holder (2), the bottom end of the top plate (9) is fixedly connected with an upper die holder (11), two sides of the bottom end of the upper die holder (11) are respectively provided with a buffer protection structure, the buffer protection structure comprises a buffer groove (15), a spring (16), a hidden groove (17), a telescopic block (18) and a buffer plate (19), two sides of the top end of the bottom plate (1) are respectively and fixedly connected with an electric telescopic rod (8), the top end of the electric telescopic rod (8) is fixedly connected with the bottom end of the top plate (9), the quick cooling mechanism is arranged outside the lower die holder (2) and comprises a fan (3), a fin plate (4), a cooling flow channel (6), a liquid inlet (7) and a liquid outlet (14).

2. The long-life injection mold for producing automotive interiors of claim 1, characterized in that: the fan (3) is fixedly installed at the middle position of the top end of the bottom plate (1), the bottom end of the lower die holder (2) is uniformly provided with a fin plate (4), a cooling flow channel (6) is arranged inside the lower die holder (2), one end of the cooling flow channel (6) is provided with a liquid inlet (7), and the other end of the cooling flow channel (6) is provided with a liquid outlet (14).

3. The long-life injection mold for producing automotive interiors of claim 1, characterized in that: the cooling runner (6) is spirally arranged in the lower die holder (2), and the fin plates (4) are distributed at equal intervals at the bottom end of the lower die holder (2).

4. The long-life injection mold for producing automotive interiors of claim 1, characterized in that: buffer slot (15) are provided with three groups respectively in the inside of upper die base (11) both sides, the inside top fixedly connected with spring (16) of buffer slot (15), the bottom of buffer slot (15) is provided with hidden groove (17), the flexible piece of bottom fixedly connected with (18) of spring (16), the bottom fixedly connected with buffer board (19) of flexible piece (18).

5. The long-life injection mold for producing automotive interiors of claim 1, characterized in that: the top end of the telescopic block (18) is embedded in the buffer groove (15) in a sliding mode, and the inner diameter of the hidden groove (17) is larger than the outer diameter of the buffer plate (19).

6. The long-life injection mold for producing automotive interiors of claim 1, characterized in that: the utility model discloses a die holder, including upper die base (11), die holder (2), upper die base (11), four corners of upper die base (11) bottom are provided with constant head tank (13) respectively, the bottom of upper die base (11) is close to middle position department fixedly connected with sealing washer (10), seal groove (12) have been seted up to the inside that die holder (2) top is close to middle position department, four corners of upper die base (11) bottom are fixedly connected with locating piece (20) respectively, four corners on die holder (2) top are provided with constant head tank (13) respectively.

7. The long-life injection mold for producing automotive interiors of claim 6, characterized in that: the inner diameter of the positioning groove (13) is larger than the outer diameter of the positioning block (20), and the positioning grooves (13) correspond to the positioning blocks (20) one to one.