CN215434850U

CN215434850U - Mould for injection moulding of plastic products

Info

Publication number: CN215434850U
Application number: CN202121721571.6U
Authority: CN
Inventors: 谢月光; 莫仕栋; 陈锐; 吴棒记; 姚军
Original assignee: Yangjiang Tianjiao Household Products Manufacturing Co ltd
Current assignee: Yangjiang Tianjiao Household Products Manufacturing Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-01-07
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a mould for injection molding of a plastic product, which comprises a shell, wherein supporting plates are arranged on the front surface and the back surface of the inner cavity of the shell in a sliding manner, a lower placing plate is fixedly arranged between the two supporting plates, and an inclined placing plate is arranged between the two supporting plates and positioned above the lower placing plate in a sliding manner; this mould for plastic products injection moulding, outwards remove the backup pad through the handle, place the board to one side and upwards promote by outer spring, preceding rotation strip uses the slide bar to rotate as the centre of a circle with the back rotation strip, the slide bar removes left on the scraping wings simultaneously, make preceding connecting strip and back connecting strip promote the scraping wings right, make inside plastic products can be released the mould by the scraping wings is automatic after the demolding, reduce the reliance to personnel to the mould, forming die's degree of automation has been increased, the work efficiency of mould when advancing plastic products preparation has been strengthened.

Description

Mould for injection moulding of plastic products

Technical Field

The utility model relates to the technical field of plastic product manufacturing devices, in particular to a mold for injection molding of a plastic product.

Background

The plastic products are the general name of articles for daily use, industry and the like which are processed by adopting plastics as main raw materials. The plastic products are produced by all processes such as injection molding and plastic sucking which take plastic as raw materials, and the injection molding is to make thermoplastic plastics into plastic products with various shapes by utilizing a plastic molding die, and is generally realized by an injection molding machine and a die.

When the existing mold for injection molding of plastic products is used, the plastic products after injection molding are often manually taken out after the plastic products are demoulded, so that the efficiency of plastic product manufacturing is greatly reduced, and demoulding is inconvenient.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a mold for injection molding of a plastic product, which solves the problems that the existing mold for molding the plastic product needs to be manually taken after the plastic product is demoulded, the efficiency is lower, the linkage is not strong, and the demolding is inconvenient.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a mold for injection molding of plastic products comprises a machine shell, wherein supporting plates are arranged on the front surface and the back surface of an inner cavity of the machine shell in a sliding mode, a lower placing plate is fixedly arranged between the two supporting plates, an inclined placing plate is arranged between the two supporting plates and above the lower placing plate in a sliding mode, a lower mold is fixedly arranged at the top of the lower placing plate, an upper mold is fixedly arranged at the bottom of the inclined placing plate, an outer spring is fixedly arranged between the inclined placing plate and the lower placing plate, a rear rotating strip is rotatably arranged at the bottom of the inclined placing plate and at the left side of the upper mold, a rear connecting strip is rotatably arranged at the front surface of the rear rotating strip, a front rotating strip is rotatably arranged at the top of the lower placing plate and at the left side of the lower mold, a front connecting strip is rotatably arranged at the back surface of the front rotating strip, a material pushing plate is rotatably arranged between the rear connecting strip and the front connecting strip, the front surface of the rear rotating strip is fixedly provided with a sliding rod, the front end of the sliding rod sequentially penetrates through the material pushing plate and the front rotating strip and extends to the inside of the front rotating strip, and the outer surface of the sliding rod is in sliding connection with the inner surface of the material pushing plate.

Preferably, a pulling block is fixedly mounted at the bottom of the inner cavity of the shell, and the top of the pulling block penetrates through the lower placing plate and extends to the inside of the lower placing plate.

Preferably, the inner cavity of the lower placing plate is slidably provided with a control plate, and the left side of the control plate is fixedly provided with an inner spring.

Preferably, the left side of the inner spring is fixedly connected with the inner cavity of the lower placing plate.

Preferably, the bottom of the control panel is provided with a short sliding chute, and the inner surface of the short sliding chute is in sliding connection with the outer surface of the pulling block.

Preferably, a top plate is slidably mounted in an inner cavity of the lower die, a thimble is fixedly mounted at the top of the top plate, and the top end of the thimble penetrates through the lower die and extends to the outside of the lower die.

Preferably, the bottom of roof rotates installs the support bar, the bottom of support bar runs through the bed die in proper order and places the board down and extend to the inside of placing the board down, the bottom of support bar is rotated with the top of control panel and is connected.

Preferably, the right side of the supporting plate penetrates through the housing and extends to the outside of the housing, and a handle is fixedly mounted between the two supporting plates and on the right side of the lower placing plate.

Advantageous effects

The utility model provides a mold for injection molding of plastic products. Compared with the prior art, the method has the following beneficial effects:

(1) this mould for plastic products injection moulding, outwards remove the backup pad through the handle, place the board to one side and upwards promote by outer spring, preceding rotation strip uses the slide bar to rotate as the centre of a circle with the back rotation strip, the slide bar removes left on the scraping wings simultaneously, make preceding connecting strip and back connecting strip promote the scraping wings right, make inside the mould can be released by the scraping wings is automatic after plastic products goes out the mould, reduce the reliance to personnel to the mould, forming die's degree of automation has been increased, the work efficiency of mould when advancing plastic products preparation has been strengthened, the practicality of injection moulding mould when using has been improved.

(2) This mould for plastic products injection moulding, outwards remove the backup pad through the handle, when placing the board and removing preset distance down, draw the piece and hold the control panel through short spout, and the backup pad continues to drive and places the board and continue to move right down, make the support bar on the control panel upwards promote the roof, make the thimble upwards ejecting lower mould with the inside plastic products of lower mould, the linkage between the inside part of mould has been improved, prevent simultaneously that the thimble from protruding and influence plastic products's quality when inside plastic products shaping, the convenience of the mould drawing of patterns has been improved.

Drawings

FIG. 1 is a perspective view of the external structure of the present invention;

FIG. 2 is a front view of the internal structure of the present invention;

FIG. 3 is a front view in longitudinal section of the internal structure of the present invention;

fig. 4 is a perspective view of the outer structure of the ejector plate of the present invention.

FIG. 1, shell; 2. a support plate; 3. placing the plate downwards; 4. placing the plate obliquely; 5. a lower die; 6. an upper die; 7. an outer spring; 8. the rear rotating bar; 9. a rear connecting strip; 10. a front rotation bar; 11. a front connecting strip; 12. a material pushing plate; 13. a slide bar; 14. pulling the block; 15. a control panel; 16. an inner spring; 17. a short chute; 18. a top plate; 19. a thimble; 20. a supporting strip; 21. a handle.

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.

The first embodiment is as follows:

referring to fig. 1-4, a mold for injection molding of plastic products comprises a housing 1, wherein support plates 2 are slidably mounted on both the front and back surfaces of an inner cavity of the housing 1, a lower placing plate 3 is fixedly mounted between the two support plates 2, an inclined placing plate 4 is slidably mounted between the two support plates 2 and above the lower placing plate 3, the top of the inner cavity of the housing 1 is a chute, the inner surface of the chute is slidably connected with the top of the inclined placing plate 4, a lower mold 5 is fixedly mounted on the top of the lower placing plate 3, an upper mold 6 is fixedly mounted on the bottom of the inclined placing plate 4, an outer spring 7 is fixedly mounted between the inclined placing plate 4 and the lower placing plate 3, a rear rotating bar 8 is rotatably mounted on the bottom of the inclined placing plate 4 and on the left side of the upper mold 6, a rear connecting bar 9 is rotatably mounted on the front surface of the rear rotating bar 8, a front rotating bar 10 is rotatably mounted on the top of the lower placing plate 3 and on the left side of the lower mold 5, the back of the front rotating strip 10 is rotatably provided with a front connecting strip 11, a material pushing plate 12 is rotatably arranged between the rear connecting strip 9 and the front connecting strip 11, the front of the rear rotating strip 8 is fixedly provided with a sliding rod 13, in the upward moving process of the inclined placing plate 4, the front rotating strip 10 and the rear rotating strip 8 rotate by taking the sliding rod 13 as the circle center, meanwhile, the sliding rod 13 moves leftwards on the material pushing plate 12, so that the front connecting strip 11 and the rear connecting strip 9 push the material pushing plate 12 rightwards, the front end of the sliding rod 13 sequentially penetrates through the material pushing plate 12 and the front rotating strip 10 and extends to the inside of the front rotating strip 10, and the outer surface of the sliding rod 13 is slidably connected with the inner surface of the material pushing plate 12.

Example two:

referring to fig. 3, a mold for injection molding of a plastic product includes a housing 1, a pull block 14 is fixedly installed at the bottom of an inner cavity of the housing 1, the top of the pull block 14 penetrates through a lower placing plate 3 and extends to the inside of the lower placing plate 3, a control plate 15 is slidably installed in the inner cavity of the lower placing plate 3, an inner spring 16 is fixedly installed at the left side of the control plate 15, the left side of the inner spring 16 is fixedly connected with the inner cavity of the lower placing plate 3, a short chute 17 is opened at the bottom of the control plate 15, the inner surface of the short chute 17 is slidably connected with the outer surface of the pull block 14, a top plate 18 is slidably installed in the inner cavity of the lower mold 5, a thimble 19 is fixedly installed at the top of the top plate 18, the top end of the thimble 19 penetrates through the lower mold 5 and extends to the outside of the lower mold 5, a supporting strip 20 is rotatably installed at the bottom of the top plate 18, the bottom of the supporting strip 20 sequentially penetrates through the lower mold 5 and the lower placing plate 3 and extends to the inside of the lower placing plate 3, when backup pad 2 outwards moved to the default distance, pull piece 14 and hold control panel 15 through short spout 17, and backup pad 2 drives down and places plate 3 and its inside roof 18 and continue to move right, make the support strip 20 on the control panel 15 upwards promote roof 18, make thimble 19 upwards ejecting bed die 5 with the inside plastic products of bed die 5, the bottom of support strip 20 rotates with control panel 15's top to be connected, the right side of backup pad 2 runs through shell 1 and extends to the outside of shell 1, the right-hand fixed mounting that just is located lower place plate 3 between two backup pads 2 has handle 21.

And those not described in detail in this specification are well within the skill of those in the art.

When the injection molding machine works, firstly, a worker performs injection molding on the two molds through the injection molding holes between the upper mold 6 and the lower mold 5, after the plastic in the molds is cooled, the two support plates 2 are pulled towards the outside of the shell 1 through the handles 21, when the support plates 2 move outwards, the inclined placement plate 4 slides with the inclined groove in the shell 1, so that the inclined placement plate 4 is pushed upwards by the outer springs 7 in the outward movement, the upper mold 6 is separated from the lower mold 5, when the support plates 2 move outwards to a preset distance, the pull block 14 pulls the control plate 15 through the short slide groove 17, the support plates 2 drive the lower placement plate 3 and the inner top plate 18 to move continuously rightwards, the support strips 20 on the control plate 15 push the top plate 18 upwards, so that the ejector pins 19 push the plastic product in the lower mold 5 upwards out of the lower mold 5, and simultaneously, in the process that the inclined placement plate 4 moves upwards, the front rotating strip 10 and the rear rotating strip 8 rotate around the sliding rod 13, the sliding rod 13 moves leftwards on the material pushing plate 12, the front connecting strip 11 and the rear connecting strip 9 push the material pushing plate 12 rightwards, so that the material pushing plate 12 pushes the plastic product jacked by the ejector pins 19 leftwards out of the lower die 5, the support plate 2 is pushed inwards the shell 1, the inclined placement plate 4 is propped downwards by the shell 1, the lower die 5 and the upper die 6 are attached to each other, meanwhile, the inner spring 16 gradually pushes the control plate 15 rightwards in the process of moving leftwards along with the lower placement plate 3, the ejector pins 19 on the top plate 18 are returned through the support bar 20, the front rotating strip 10 and the rear rotating strip 8 move rightwards along with the sliding rod 13 and rotate around the sliding rod 13, and drive the front connecting strip 11 and the rear connecting strip 9 to pull the material pushing plate 12 back to the original position, and the manufacturing of the plastic product can be continued.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A mold for injection molding of plastic products, comprising a housing (1), characterized in that: the front and the back of the inner cavity of the shell (1) are respectively provided with a support plate (2) in a sliding manner, a lower placing plate (3) is fixedly arranged between the two support plates (2), an inclined placing plate (4) is slidably arranged between the two support plates (2) and above the lower placing plate (3), a lower die (5) is fixedly arranged at the top of the lower placing plate (3), an upper die (6) is fixedly arranged at the bottom of the inclined placing plate (4), an outer spring (7) is fixedly arranged between the inclined placing plate (4) and the lower placing plate (3), a rear rotating strip (8) is rotatably arranged at the bottom of the inclined placing plate (4) and at the left side of the upper die (6), a rear connecting strip (9) is rotatably arranged at the front side of the rear rotating strip (8), a front rotating strip (10) is rotatably arranged at the top of the lower placing plate (3) and at the left side of the lower die (5), preceding connecting strip (11) are installed in the back rotation of preceding rotating strip (10), rotate between back connecting strip (9) and preceding connecting strip (11) and install scraping wings (12), the front fixed mounting of back rotating strip (8) has slide bar (13), the front end of slide bar (13) runs through scraping wings (12) and preceding rotating strip (10) in proper order and extends to the inside of preceding rotating strip (10), the surface of slide bar (13) and the internal surface sliding connection of scraping wings (12).

2. A mold for injection molding of a plastic article according to claim 1, wherein: the bottom fixed mounting of shell (1) inner chamber has and draws piece (14), place board (3) and extend to the inside of placing board (3) down under the top of drawing piece (14) runs through.

3. A mold for injection molding of a plastic article according to claim 1, wherein: the inner cavity sliding mounting of lower place board (3) has control panel (15), the left side fixed mounting of control panel (15) has interior spring (16).

4. A mold for injection molding of plastic articles according to claim 3, characterized in that: the left side of the inner spring (16) is fixedly connected with the inner cavity of the lower placing plate (3).

5. A mold for injection molding of plastic articles according to claim 3, characterized in that: the bottom of the control panel (15) is provided with a short sliding chute (17), and the inner surface of the short sliding chute (17) is in sliding connection with the outer surface of the pulling block (14).

6. A mold for injection molding of a plastic article according to claim 1, wherein: the inner cavity of the lower die (5) is provided with a top plate (18) in a sliding mode, the top of the top plate (18) is fixedly provided with an ejector pin (19), and the top end of the ejector pin (19) penetrates through the lower die (5) and extends to the outside of the lower die (5).

7. The mold for injection molding of plastic article according to claim 6, characterized in that: the bottom of roof (18) is rotated and is installed support bar (20), the bottom of support bar (20) runs through bed die (5) in proper order and places board (3) down and extend to the inside of placing board (3) down, the bottom of support bar (20) is rotated with the top of control panel (15) and is connected.

8. A mold for injection molding of a plastic article according to claim 1, wherein: the right side of backup pad (2) runs through shell (1) and extends to the outside of shell (1), two between backup pad (2) and be located the right-hand fixed mounting who places board (3) down has handle (21).