CN216230584U

CN216230584U - Injection mold convenient to take off material

Info

Publication number: CN216230584U
Application number: CN202122539429.6U
Authority: CN
Inventors: 刘德求; 智金梅
Original assignee: Kunshan Jiahua Precision Mould Co ltd
Current assignee: Kunshan Jiahua Precision Mould Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-04-08
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses an injection mold convenient for stripping, which relates to the technical field of injection mold equipment and comprises an upper mold and a lower mold, wherein the bottom of the upper mold is provided with an upper cavity, the top of the upper mold is provided with an injection port, the top of the lower mold is provided with a lower cavity corresponding to the upper cavity, the interior of the lower mold is provided with a demolding mechanism, the demolding mechanism comprises a cavity and a top plate, the interior of the lower mold is provided with a cavity, the inner top of the cavity is provided with a notch communicated with the lower cavity, the top plate is in sliding clamping connection with the interior of the notch, four groups of guide rods are symmetrically welded on two sides of the top of the lower mold, four groups of guide holes are symmetrically arranged on two sides of the upper mold, and the guide rods are in sliding insertion connection with the interior of the guide holes. The manual demoulding of workers is not needed, time and labor are saved, the labor intensity of the workers is greatly reduced, the damage to products caused by the manual demoulding is also avoided, and the quality of injection products is ensured.

Description

Injection mold convenient to take off material

Technical Field

The utility model relates to the technical field of injection mold equipment, in particular to an injection mold convenient for stripping.

Background

An injection molding machine is also known as an injection molding machine or an injection machine. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. A molding machine is an apparatus for forming products such as synthetic resin materials. Typically, an injection molding machine forms a product in the form of a molten sheet or powder and places it into a mold having a predetermined shape. From small to large machines, there are various kinds of injection molding machines, which are often used in conjunction with an injection mold, which is a tool for producing plastic articles and also a tool for giving the plastic articles complete structure and precise dimensions. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.

However, after the existing mold is opened, the product is difficult to take out, and needs to be manually taken out by a worker, so that the workload of the worker is increased, time and labor are wasted, and the product can be damaged by manually taking out the product from the outside, so that the reject ratio of the product is greatly improved, and the failure is not compensated, and therefore, an injection mold convenient for material removal needs to be provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection mold convenient for stripping, which does not need manual demolding of workers, saves time and labor, greatly lightens the labor intensity of the workers, avoids damage to products caused by manual demolding, ensures the quality of injection products and solves the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides an injection mold convenient to take off material, includes mould and lower mould, the bottom of going up the mould has been seted up the die cavity, the mouth of moulding plastics has been seted up at the top of going up the mould, the lower die cavity corresponding with last die cavity is seted up at the top of lower mould, the inside of lower mould is provided with demoulding mechanism, demoulding mechanism includes cavity and roof, the cavity has been seted up to the inside of lower mould, the interior top of cavity is provided with the breach that is linked together with lower die cavity, roof slip joint in the inside of breach, the top bilateral symmetry welding of lower mould has four guide arms of group, four groups guiding holes have been seted up to the bilateral symmetry of going up the mould, the guide arm slides and pegs graft in the inside of guiding hole.

Preferably, both sides of the upper end of the top plate are fixedly connected with limiting blocks, and clamping grooves corresponding to the limiting blocks are arranged on both sides of the notch, which is located at the inner bottom of the lower cavity.

Preferably, the pressing plates are fixedly connected to two sides of the lower end of the top plate, two groups of pressing rods are symmetrically welded to the surface of the bottom of the upper die, through holes corresponding to the pressing rods are formed in two sides of the top of the lower die, and the bottoms of the through holes are communicated with the cavity.

Preferably, the bottom surface of roof is provided with the ejector pin, the ejector pin is provided with five groups altogether, five groups the ejector pin is the equidistance array setting in the bottom of roof.

Preferably, the inner bottom of the cavity is provided with a sliding groove corresponding to the ejector rod, the lower end of the ejector rod is inserted in the sliding groove in a sliding mode and is fixedly connected with a stop block, and the ejector rod is sleeved with a compression spring.

Preferably, the upper end both sides of going up the mould and the equal symmetrical welding of lower extreme both sides of lower mould have the installation piece, the mounting hole has been seted up on the installation piece.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the demoulding mechanism comprising the cavity and the top plate is arranged in the lower cavity, the ejector rod with the compression spring is arranged at the bottom of the top plate, and the through holes corresponding to the ejector rod are formed in the two sides of the lower die, so that when the upper die and the lower die are closed, the pressing rod extrudes the pressing plate through the through holes to enable the top plate to slide downwards, the ejector rod contracts into the chute, and the injection molding operation is convenient to carry out.

Drawings

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

FIG. 2 is a schematic structural view of a cavity according to the present invention;

fig. 3 is a schematic structural view of the carrier rod of the present invention.

In the figure: 1. an upper die; 2. a lower die; 3. an upper cavity; 4. an injection molding port; 5. a lower cavity; 6. a demolding mechanism; 7. mounting holes; 8. a notch; 9. a guide bar; 10. a guide hole; 11. a limiting block; 12. a card slot; 13. pressing a plate; 14. a pressure lever; 15. a through hole; 16. a top rod; 17. a chute; 18. a stopper; 19. a compression spring; 20. mounting blocks; 601. a cavity; 602. a top plate.

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.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides an injection mold convenient to take off material, including last mould 1 and lower mould 2, last die cavity 3 has been seted up to the bottom of going up mould 1, it moulds plastics mouthful 4 to have seted up at the top of going up mould 1, lower die cavity 5 corresponding with last die cavity 3 has been seted up at the top of lower mould 2, the inside of lower mould 2 is provided with demoulding mechanism 6, demoulding mechanism 6 includes cavity 601 and roof 602, cavity 601 has been seted up to the inside of lower mould 2, the interior top of cavity 601 is provided with the breach 8 that is linked together with lower die cavity 5, roof 602 sliding joint is in the inside of breach 8, the top bilateral symmetry welding of lower mould 2 has four guide arms 9 of group, four groups guiding hole 10 have been seted up to the bilateral symmetry of going up mould 1, guide arm 9 slides and pegs graft in the inside of guiding hole 10.

The upper end both sides fixedly connected with stopper 11 of roof 602, the both sides that the interior bottom of lower die cavity 5 is located breach 8 are provided with draw-in groove 12 corresponding with stopper 11, the lower extreme both sides fixedly connected with clamp plate 13 of roof 602, the bottom surface symmetry of going up mould 1 has two sets of depression bars 14, the through-hole 15 corresponding with depression bar 14 has been seted up to the top both sides of lower mould 2, through-hole 15 bottom communicates in cavity 601, the bottom surface of roof 602 is provided with ejector pin 16, ejector pin 16 is provided with five groups altogether, five groups of ejector pin 16 are equidistance array setting in the bottom of roof 602, spout 17 corresponding with ejector pin 16 has been seted up to the interior bottom of cavity 601, the lower extreme of ejector pin 16 slides and pegs graft in the inside and the fixedly connected with dog 18 of spout 17, compression spring 19 has been cup jointed on ejector pin 16, the equal symmetric welding in the upper end both sides of going up mould 1 and the lower extreme both sides of lower mould 2 has installation piece 20, mounting hole 7 has been seted up on installation piece 20.

According to the utility model, the demoulding mechanism 6 comprising the cavity 601 and the top plate 602 is arranged in the lower cavity 5, the ejector rod 16 with the compression spring 19 is arranged at the bottom of the top plate 602, and the through holes 15 corresponding to the ejector rod 16 are formed in the two sides of the lower die 2, so that when the upper die and the lower die are closed, the press rod 14 extrudes the press plate 13 through the through holes 15, the top plate 602 slides downwards, the ejector rod 16 contracts into the chute 17, and the injection molding operation is convenient to carry out, when the upper die and the lower die are separated, the press rod 14 leaves the press plate 13, and the top plate 602 is supported to move upwards under the action of the ejector rod 16 and the compression spring 19, so that a product is separated from the lower cavity 5, manual demoulding by workers is not needed, time and labor are saved, the labor intensity of the workers is greatly reduced, the damage of the products caused by manual demoulding is avoided, and the quality of the injection molded products is ensured.

Wherein, set up guide arm 9 at the top of lower mould 2, go up and correspond on the mould 1 and set up guiding hole 10, more agree with when can be convenient for go up the lower mould compound die, improved the precision of compound die, set up installation piece 20 in the both sides of last mould 1 and lower mould 2, set up mounting hole 7 on the installation piece 20, simple structure, the staff of being convenient for installs the use and dismantles the maintenance to last lower mould.

When the device is used, the device is arranged on relevant equipment through the mounting blocks 20 and the mounting holes 7 on the two sides of the upper die 1 and the lower die 2, when the device works, the upper die and the lower die are matched, the space formed by the upper die cavity 3 and the lower die cavity 5 is injected through the injection port 4, after the product is cooled, the upper die and the lower die are separated through a hydraulic cylinder and other equipment, because the lower die cavity 5 is internally provided with the demoulding mechanism 6 comprising the cavity 601 and the top plate 602, the bottom of the top plate 602 is provided with the ejector rod 16 with the compression spring 19, and the two sides of the lower die 2 are provided with the through holes 15 corresponding to the ejector rod 16, when the upper die and the lower die are matched, the pressure rod 14 extrudes the pressure plate 13 through the through holes 15, the top plate 602 slides downwards, the ejector rod 16 retracts into the chute 17, so that the injection operation is convenient, when the upper die and the lower die are separated, the pressure rod 14 leaves the pressure plate 13, and the top plate 602 is supported to move upwards under the action of the ejector rod 16 and the compression spring 19, the product is separated from the lower cavity 5, the manual demoulding of workers is not needed, time and labor are saved, the labor intensity of the workers is greatly reduced, the damage to the product caused by the manual demoulding is also avoided, and the quality of the injection molding product is ensured.

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. The utility model provides an injection mold convenient to take off material, includes mould (1) and lower mould (2), its characterized in that: an upper cavity (3) is arranged at the bottom of the upper die (1), an injection molding opening (4) is arranged at the top of the upper die (1), the top of the lower die (2) is provided with a lower die cavity (5) corresponding to the upper die cavity (3), a demoulding mechanism (6) is arranged in the lower die (2), the demoulding mechanism (6) comprises a cavity (601) and a top plate (602), a cavity (601) is arranged in the lower die (2), a gap (8) communicated with the lower die cavity (5) is arranged at the inner top of the cavity (601), the top plate (602) is clamped in the notch (8) in a sliding way, four groups of guide rods (9) are symmetrically welded on two sides of the top of the lower die (2), four groups of guide holes (10) are symmetrically formed in two sides of the upper die (1), and the guide rods (9) are inserted into the guide holes (10) in a sliding mode.

2. The injection mold facilitating stripping as claimed in claim 1, wherein: the upper end both sides fixedly connected with stopper (11) of roof (602), the interior bottom of lower die cavity (5) is located the both sides of breach (8) and is provided with draw-in groove (12) corresponding with stopper (11).

3. The injection mold facilitating stripping as claimed in claim 1, wherein: the lower extreme both sides fixedly connected with clamp plate (13) of roof (602), the bottom surface symmetry welding of going up mould (1) has two sets of depression bars (14), through-hole (15) corresponding with depression bar (14) have been seted up to the top both sides of lower mould (2), through-hole (15) bottom communicates in cavity (601).

4. The injection mold facilitating stripping as claimed in claim 1, wherein: the bottom surface of roof (602) is provided with ejector pin (16), ejector pin (16) are provided with five groups altogether, five groups ejector pin (16) are the equidistance array setting in the bottom of roof (602).

5. The injection mold facilitating stripping as claimed in claim 4, wherein: the inner bottom of the cavity (601) is provided with a sliding groove (17) corresponding to the ejector rod (16), the lower end of the ejector rod (16) is inserted in the sliding groove (17) in a sliding mode and is fixedly connected with a stop block (18), and the ejector rod (16) is sleeved with a compression spring (19).

6. The injection mold facilitating stripping as claimed in claim 1, wherein: the mould is characterized in that mounting blocks (20) are symmetrically welded on two sides of the upper end of the upper mould (1) and two sides of the lower end of the lower mould (2), and mounting holes (7) are formed in the mounting blocks (20).