CN212352726U - Injection mold convenient to drawing of patterns - Google Patents

Abstract

The utility model provides an injection mold convenient to drawing of patterns, the below fixed mounting that the base was installed has the stand, the top central point of base puts fixed mounting and has the fixed block, the top fixed mounting of fixed block has the bed die, the central point of bed die puts and opens there is the die cavity, the bottom fixed mounting of die cavity has the second cylinder, open flutedly in the top left and right sides of fixed block. This kind of injection mold convenient to drawing of patterns, the second cylinder is installed to the chase below, the module is installed to second cylinder top, the ascending drive module that the second cylinder rises, thereby the module rises during the fashioned article that will mould plastics release the chase, because the bottom of chase can directly be released to fashioned article, consequently operating personnel takes out fashioned article very easily, can lead to the condition emergence of fashioned article violence deformation when having avoided pulling out fashioned article by force, the integrality of fashioned article and the required shape of production have been guaranteed.

Description

Injection mold convenient to drawing of patterns

Technical Field

The utility model relates to an injection mold technical field especially relates to an injection mold convenient to drawing of patterns.

Background

The injection mold is a tool for manufacturing a molded article and also a tool for endowing the molded article with a complete structure and an accurate size, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted liquid into a mold cavity from an injection molding machine at high pressure and obtaining a molded article after cooling and solidification, and the injection mold is widely applied in the industrial field.

Traditional mould is after processing, the adhesive force of mould and stamping groove is great, shaping article when moulding finishes taking out, because shaping article is in the bottom of die cavity, therefore operating personnel is difficult to take out, and can lead to shaping article violence to warp when pulling out shaping article by force, can destroy shaping article's integrality even, and simultaneously, when using the mould to mould plastics, go up mould and lower mould and dock, because long-term butt joint striking leads to the guide post to take place the problem of damaging, can appear going up the unable accuracy of mould and lower mould and dock, the shaping article of mould injection moulding production is yielding easily, influence the quality of product, the product percent of pass of coproduction is low, increase the manufacturing cost of enterprise.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned shortcoming that prior art exists, the utility model provides an injection mold convenient to drawing of patterns.

The technical scheme is as follows: the utility model provides an injection mold convenient to drawing of patterns, includes the base, the below fixed mounting that pedestal mounting has the stand, the below fixed mounting of stand has the chassis, it has the mounting hole to open on the body on chassis, both sides fixed mounting has first cylinder about the top of base, the top fixed mounting of first cylinder has the roof, the top central point of base puts fixed mounting and has the fixed block, the top fixed mounting of fixed block has the bed die, the central point of bed die puts and opens there is the die cavity, fixed mounting has the guide post on the both sides wall around the top of bed die, open the guide hole on the both sides wall about the top of bed die, the bottom fixed mounting in die cavity has the second cylinder, the top fixed mounting of second cylinder has the module, open flutedly in the top left and right sides of fixed block.

Preferably, the left and right sides of the below of roof fixed mounting has the fixed column, the below fixed mounting of roof has the pillar, be connected with the backup pad on the plate body of pillar, fixedly connected with support column between roof and the backup pad, the below fixed mounting of pillar has circular baffle, install the spring between support column and the circular baffle, the below central point of backup pad puts fixed mounting and has last mould, fixed mounting has the guide post on the wall body about going up the mould below, it has the guiding hole to open on the wall body around the mould below.

Preferably, there are four upright columns, and the four upright columns are fixedly installed at four corners below the base.

Preferably, the modules are slidably connected to the chase.

Preferably, the number of the fixed columns is two, and the two fixed columns are respectively arranged on the left side and the right side below the top plate.

Preferably, the guide holes and the guide posts on the upper die wall body and the guide holes and the guide posts in the lower die are mutually matched and connected.

Preferably, the pillar is connected with the circular baffle in a sliding mode, a spring is installed above the circular baffle, and the circular baffle slides up and down through the contraction of the spring.

Advantageous effects

Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:

1. according to the injection mold convenient for demolding, the second cylinder is arranged below the mold cavity, the module is arranged above the second cylinder, the second cylinder ascends to drive the module to ascend, the module ascends to push the molded article which is subjected to injection molding out of the mold cavity, and the molded article can be directly pushed out of the bottom of the mold cavity, so that an operator can easily take out the molded article, the condition that the molded article is violently deformed when the molded article is pulled out by force is avoided, and the integrity of the molded article and the shape required by production are ensured;

2. this kind of injection mold convenient to drawing of patterns, roof downstream drives the pillar downstream, in the recess is fallen in the pillar descending, circular baffle slides the upward movement and makes the spring upwards reduce, thereby avoid taking place acutely striking when making the bed die inlay with last mould, thereby owing to can not strike the guide post and can not take place to damage, consequently go up mould and lower mould and can accurately dock, the shaping article of mould injection production consequently can not warp, the product percent of pass of production can improve greatly, the manufacturing cost of enterprise has been reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

FIG. 1 is a schematic structural view of the present invention;

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

fig. 3 is a schematic view of a partial structure of the present invention.

In the figure: 1. mounting holes; 2. a column; 3. a base; 4. a fixed block; 5. a lower die; 6. A top plate; 7. a guide post; 8. a guide hole; 9. a first cylinder; 10. a chassis; 11. a pillar; 12. a support plate; 13. an upper die; 14. a support pillar; 15. fixing a column; 16. a spring; 17. A circular baffle; 18. a second cylinder; 19. a module; 20. a groove; 21. and (4) a die cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1 to 3, an injection mold convenient for demolding comprises a base 3, wherein four upright posts 2 are fixedly mounted below the base 3, four upright posts 2 are fixedly mounted at four corners below the base 3, four base plates 10 are fixedly mounted below the upright posts 2, four base plates 10 are respectively mounted below the upright posts 2, mounting holes 1 are formed in the bodies of the base plates 10, when the mold machine is placed on the ground, the upright posts 2 support the machine body to separate the machine body from the ground, the base plates 10 are connected with the ground, the base plates 10 are fixedly connected with the ground through the mounting holes 1 to avoid shaking the machine body when the mold injection is carried out, first air cylinders 9 are fixedly mounted on the left side and the right side above the base 3, a top plate 6 is fixedly mounted at the top ends above the first air cylinders 9, the first air cylinders 9 are pressed, the first air cylinders 9 move up and down to drive the top plate 6 to move up and down, the fixed block 4 is fixedly arranged at the upper center of the base 3, the lower die 5 is fixedly arranged above the fixed block 4, a die cavity 21 is formed in the center of the lower die 5, guide posts 7 are fixedly arranged on the front side wall and the rear side wall of the upper portion of the lower die 5, guide holes 8 are formed in the left side wall and the right side wall of the upper portion of the lower die 5, a second air cylinder 18 is fixedly arranged at the bottom of the die cavity 21, a module 19 is fixedly arranged above the second air cylinder 18, the module 19 is connected with the die cavity 21 in a sliding mode, after the formed objects are cooled after injection molding, the second air cylinder 18 is pressed, the second air cylinder 18 is lifted to drive the module 19 to ascend, the module 19 ascends so as to push the injection molded objects out of the die cavity 21, the integrity of the formed objects is prevented from being damaged, meanwhile, the formed objects can be taken out.

Example two

Based on the first embodiment, as shown in fig. 2-3, an injection mold facilitating demolding is provided, wherein two fixing columns 15 are fixedly installed on the left side and the right side below a top plate 6, the two fixing columns 15 are respectively installed on the left side and the right side below the top plate 6, a supporting column 11 is fixedly installed below the top plate 6, a supporting plate 12 is connected to a plate body of the supporting column 11, a supporting column 14 is fixedly connected between the top plate 6 and the supporting plate 12, a circular baffle 17 is fixedly installed below the supporting column 11, a spring 16 is installed between the supporting column 14 and the circular baffle 17, an upper mold 13 is fixedly installed at the central position below the supporting plate 12, guide columns 7 are fixedly installed on the left wall body and the right wall body below the upper mold 13, guide holes 8 are formed in the front wall body and the rear wall body below the upper mold 13, the guide holes 8 on the wall body of the upper mold 13 and the guide columns 7, and the below of pillar 11 is recess 20, and first cylinder 9 downstream drives roof 6 downstream, and roof 6 downstream drives pillar 11 downstream, and during recess 20 was fallen to pillar 11, circular baffle 17 slided upward movement and makes spring 16 upwards tighten to avoid taking place violent striking when making bed die 5 and last mould 13 inlay, avoided guide post 7 to take place the problem of damaging.

The working principle is as follows: when an article is injected, the first air cylinder 9 works, the first air cylinder 9 moves downwards to drive the top plate 6 to move downwards, the top plate 6 moves downwards to drive the support post 11 to move downwards, the support post 11 falls into the groove 20, the circular baffle 17 slides upwards to move so that the spring 16 contracts upwards, severe impact is avoided when the lower die 5 is embedded with the upper die 13, the top plate 6 simultaneously drives the support plate 12 to move downwards, the support plate 12 moves downwards to drive the upper die 13 to move downwards, so that the guide holes 8 on the wall body of the upper die 13 and the guide posts 7 and the guide holes 8 in the lower die 5 are mutually matched and connected, then the article is injected in the die groove 21, after the molded article is cooled after the molded article is injected, the first air cylinder 9 is pressed, the first air cylinder 9 moves upwards to drive the top plate 6 to move upwards, the top plate 6 moves upwards to drive the support post 11 to move upwards, the support 11 is separated from the groove 20, the circular baffle 17 slides and moves downwards to enable the spring 16 to loosen downwards, so that the lower die 5 and the upper die 13 are separated from each other, the top plate 6 simultaneously drives the support plate 12 to move upwards, the support plate 12 moves upwards to drive the upper die 13 to move upwards, so that the guide hole 8 on the wall body of the upper die 13, the guide post 7 and the guide hole 8 in the lower die 5 are separated from each other, the upper die 13 is lifted upwards, then the second cylinder 18 is pressed, the second cylinder 18 is lifted to drive the module 19 to lift, the module 19 is lifted so as to push the injection molded article out of the die slot 21, the integrity of the molded article is prevented from being damaged, and meanwhile, the taking-out of the molded article is facilitated.

The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All changes and modifications that come within the spirit of the invention are desired to be protected.

Claims (7)

1. An injection mold convenient for demolding comprises a base (3); the die is characterized in that a stand column (2) is fixedly arranged below the base (3), a chassis (10) is fixedly arranged below the stand column (2), a mounting hole (1) is formed in the body of the chassis (10), first air cylinders (9) are fixedly arranged on the left side and the right side of the top of the base (3), a top plate (6) is fixedly arranged at the top end of each first air cylinder (9), a fixing block (4) is fixedly arranged at the center position of the top of the base (3), a lower die (5) is fixedly arranged above the fixing block (4), a die groove (21) is formed in the center position of the lower die (5), guide posts (7) are fixedly arranged on the front side wall and the rear side wall of the top of the lower die (5), guide holes (8) are formed in the left side wall and the right side wall of the top of the lower die (5), a second air cylinder (18) is fixedly arranged at the bottom of the die, and a module (19) is fixedly mounted above the second cylinder (18), and grooves (20) are formed in the left side and the right side above the fixed block (4).

2. The injection mold convenient to demold according to claim 1, wherein fixing columns (15) are fixedly installed on the left and right sides below the top plate (6), a support column (11) is fixedly installed below the top plate (6), a support plate (12) is connected to a plate body of the support column (11), a support column (14) is fixedly connected between the top plate (6) and the support plate (12), a circular baffle (17) is fixedly installed below the support column (11), a spring (16) is installed between the support column (14) and the circular baffle (17), an upper mold (13) is fixedly installed at the center position below the support plate (12), guide columns (7) are fixedly installed on the left and right wall bodies below the upper mold (13), and guide holes (8) are formed in the front and rear wall bodies below the upper mold (13).

3. An injection mould facilitating demoulding according to claim 1, wherein there are four pillars (2), and four pillars (2) are fixedly mounted at four corners below the base (3).

4. An injection mould facilitating demoulding according to claim 1, wherein the mould block (19) is slidingly connected to the mould cavity (21).

5. An injection mould facilitating demoulding according to claim 2, wherein there are two fixing posts (15), and the two fixing posts (15) are respectively arranged at the left side and the right side below the top plate (6).

6. An injection mould facilitating demoulding according to claim 2, characterised in that the guiding holes (8) in the walls of the upper mould (13) and the guiding studs (7) are in a co-operating connection with the guiding holes (8) and the guiding studs (7) in the lower mould (5).

7. An injection mold for facilitating demolding as claimed in claim 2, wherein: the support column (11) is connected with the circular baffle (17) in a sliding mode, the spring (16) is installed above the circular baffle (17), and the circular baffle (17) slides up and down through contraction of the spring (16).

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