CN218519088U

CN218519088U - Injection mold convenient to drawing of patterns

Info

Publication number: CN218519088U
Application number: CN202222483408.1U
Authority: CN
Inventors: 杨立义; 梁富超; 王晶
Original assignee: Guangdong Liyea Precision Mould Manufacturing Co ltd
Current assignee: Guangdong Liyea Precision Mould Manufacturing Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-02-24
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses an injection mold convenient to drawing of patterns relates to injection mold technical field, including injection mold, injection mold includes mould, lower mould, it includes the sealing layer, the layer of moulding plastics to go up the mould, the layer of moulding plastics includes the shell, the inside bottom of shell and the one end fixed connection of telescopic link, the other end of telescopic link runs through shell and sealing layer bottom fixed connection, the both sides left and right sides of shell all is provided with the connecting seat, two the inside of connecting seat all runs through and sliding connection has transmission, two transmission includes the spout box, spout box bottom fixedly connected with push rod, the spout box is close one side of shell and slides and rotates with the one end of transfer line and is connected, and this injection mold convenient to drawing of patterns makes the mould when breaking away from with the lower mould through setting up transmission, can make the ejector pad rebound release the mould of processing completion through applying the effort to the slider, has realized the effect of automatic drawing of patterns promptly.

Description

Injection mold convenient to drawing of patterns

Technical Field

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

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a processing method used for mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.

After the existing injection mold is machined, due to the complexity of the whole structure of the injection mold, the manual disassembly of the mold needs to take a certain time, and the process needs certain professionalism, so that the working efficiency can be greatly reduced by using the manual demolding for a long time.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an injection mold convenient to drawing of patterns has solved the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an injection mold convenient to drawing of patterns, includes injection mold, injection mold includes mould, lower mould, it includes the sealing layer, moulds plastics the layer to go up the mould, the layer of moulding plastics includes the shell, the inside bottom of shell and the one end fixed connection of telescopic link, the other end of telescopic link runs through shell and sealing layer bottom fixed connection, the both sides left and right sides of shell all is provided with the connecting seat, two sliding connection has transmission, two all run through and sliding connection in the inside of connecting seat transmission includes the spout box, spout box bottom fixed connection has the push rod, the spout box is close one side of shell and the one end slip and the rotation of transfer line and is connected, the other end of transfer line rotates to be connected with the shell inner wall, a mould mouth has been seted up at the lower mould top, the inside sliding connection of mould mouth has the ejector pad, the sliding tray has been seted up to the lower mould both sides, the inside sliding connection of sliding tray has the slider, the inclined plane of the inboard one end of slider and the inclined plane looks adaptation of ejector pad, the inclined plane of its outside one end and the inclined plane looks adaptation of push rod bottom.

Preferably, the two transmission devices are symmetrical relative to the center of the injection molding layer, the sliding groove in the sliding groove box is a groove with an opening at one end, and the length of the sliding groove is twenty-two centimeters.

Preferably, the transmission rod consists of four parts, a main rod is connected with the chute box, an auxiliary rod is connected with the shell, a torsion spring is installed in a rotating shaft connecting the auxiliary rod and the shell, the two rods are connected through a vertical rod, a transverse rod is connected to the right side of the vertical rod, and the length of the main rod is forty-five centimeters.

Preferably, the telescopic link comprises the three-section, the stock of top, its outside be the king-rod, the side that the king-rod is close the transfer line extends there is the nose bar, the nose bar is located the below of transfer line horizontal pole, the outside quarter butt that is of king-rod, the frictional resistance of stock and king-rod is greater than the frictional resistance of king-rod and quarter butt.

Preferably, the cross section of the die outlet is square, and the bottom of the die outlet is communicated with the sliding groove.

Preferably, spring seats are mounted on two sides of the middle of the sliding block, and the compression direction of the springs faces the direction of the die outlet.

The utility model provides an injection mold convenient to drawing of patterns. The method has the following beneficial effects:

(1) This injection mold convenient to drawing of patterns makes to go up the mould when breaking away from with the lower mould through setting up transmission, can make ejector pad rebound push out the mould of processing completion through applying effort to the slider, has realized the effect of automatic drawing of patterns promptly.

(2) This injection mold convenient to drawing of patterns can make the mould can guarantee to be an inclosed space when adding man-hour inside through setting up the sealing layer, and indirect promotion mould processing's quality also plays driven effect at the mould drawing of patterns simultaneously.

Drawings

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

FIG. 2 is a schematic structural view of the upper mold and the lower mold of the present invention;

FIG. 3 is a schematic structural view of the moving device of the present invention;

fig. 4 is a schematic structural view of the lower die of the present invention;

fig. 5 is a schematic structural view of the sliding groove of the present invention;

fig. 6 is a schematic structural view of the telescopic rod of the present invention.

In the figure: 1. injection molding of the mold; 2. an injection molding layer; 21. a housing; 22. a telescopic rod; 23. a connecting seat; 3. a lower die; 31. a sliding groove; 32. a slider; 33. discharging the mold; 34. a push block; 4. a transmission device; 41. a chute box; 42. a push rod; 43. a transmission rod; 5. a sealing layer; 6. and (5) an upper die.

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.

Referring to fig. 1-6, the present invention provides a technical solution: an injection mold convenient for demolding comprises an injection mold 1, wherein the injection mold 1 comprises an upper mold 6 and a lower mold 3, the upper mold 6 comprises a sealing layer 5 and an injection layer 2, the injection layer 2 comprises a shell 21, the bottom end inside the shell 21 is fixedly connected with one end of a telescopic rod 22, the other end of the telescopic rod 22 penetrates through the shell 21 and is fixedly connected with the bottom of the sealing layer 5, the telescopic rod 22 consists of three sections, the uppermost long rod is a middle rod, one side of the middle rod, close to a transmission rod 43, extends to form a convex rod, the convex rod is positioned below the horizontal rod of the transmission rod 43, the outer part of the middle rod is a short rod, the friction resistance between the long rod and the middle rod is larger than that between the middle rod and the short rod, a sealed space can be ensured inside the mold during injection molding processing by arranging the sealing layer 5, the quality of an injection molding piece is indirectly improved, and the mold also plays a transmission role in demolding, the left side and the right side of the shell 21 are both provided with connecting seats 23, the insides of the two connecting seats 23 are both penetrated through and are connected with transmission devices 4 in a sliding manner, the two transmission devices 4 are opposite to and are in central symmetry with the injection layer 2, a chute in the chute box 41 is a chute with an opening at one end, the length of the chute is twenty-two centimeters, the two transmission devices 4 comprise a chute box 41, the bottom of the chute box 41 is fixedly connected with a push rod 42, the bottom end of the push rod 42 is provided with a forty-five-degree inclination angle and can be vertically attached to the inclined plane of the slider 32, so that the push rod 42 can drive the slider 32 to move, one side of the chute box 41 close to the shell 21 is connected with one end of a transmission rod 43 in a sliding and rotating manner, the other end of the transmission rod 43 is connected with the inner wall of the shell 21 in a rotating manner, the transmission rod 43 is composed of four parts, a main rod is connected with the chute box 41, an auxiliary rod is connected with the shell 21, a torsion spring is installed in a rotating shaft connected with the shell 21, the two rods are connected by a vertical rod, the right side of the vertical rod is connected with a transverse rod, the length of the main rod is forty-five centimeters, the main rod can rotate in the chute box 41 and move outwards when the transmission rod 43 rotates under stress, the chute box 41 and the push rod 42 below the chute box are driven to move downwards, when the upper die 6 is separated from the lower die 3 through the transmission device 4, the push block 34 can move upwards to push out a processed die by applying an acting force to the slide block 32, namely, the automatic demolding effect is realized, the top of the lower die 3 is provided with a die outlet 33, the inside of the die outlet 33 is slidably connected with the push block 34, the die outlet 33 is matched with the push block 34, the cross section of the die outlet 33 is inverted trapezoid, the bottom of the die outlet 33 is communicated with the slide groove 31, when the push block 34 moves upwards under the acting force, the upper die outlet 33 is formed, the slide grooves 31 are formed in the two sides of the lower die 3, the slide groove 31 is internally slidably connected with the slide block 32, the inclined plane at one end of the inner side of the slide block 32 is matched with the inclined plane of the push block 34, the inclined plane at the bottom of the outer side of the push block, the spring seat, the inclined plane is matched with the inclined plane at the bottom of the side of the push block 32, the spring seat, and the inclined plane of the spring seat, and the inclined plane can be matched with the inclined plane after the inclined plane of the inclined plane, and the inclined plane of the spring seat, and the inclined plane of the inclined plane.

When the injection molding machine is used, when the mold machining is finished, the sealing layer 5 in the upper mold 6 is firstly lifted, then the sealing layer 5 stretches the telescopic rod 22, the friction force between the long rod and the middle rod of the telescopic rod 22 is larger than the friction force between the middle rod and the short rod, the long rod can be stretched firstly, the middle rod can be driven to stretch when being stretched to the limit distance, the convex rod on the side surface drives the transmission rod 43 to rotate when the middle rod stretches, the main rod of the transmission rod 43 rotates in the chute box 41 and moves outwards at the same time, the chute box 41 can move downwards under the action of the rotating force because a part of the rotating force is downward, when the push rod 42 moves to the vicinity of the slide block 32 along with the chute box 41, the continuous movement can be in contact with the sliding block and can drive the slide block 32 to move inwards due to the inclination angle of the contact surface, when the end, far away from the push rod 42, moves to the vicinity of the push block 34, the continuous movement can be in contact with the push block 34 to push the injection molded piece out of the injection molding opening 33, thereby completing the injection molding, namely, the injection molding of the injection molding piece is completed, and the injection molding layer 2 is kept in the injection molding process and the injection molding layer before the injection molding layer is kept at the limit distance before the injection molding opening before the injection molding layer 22 is kept before reaching the injection molding opening.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an injection mold convenient to drawing of patterns, includes injection mold (1), its characterized in that: the injection mold (1) comprises an upper mold (6) and a lower mold (3), the upper mold (6) comprises a sealing layer (5) and an injection molding layer (2), the injection molding layer (2) comprises a shell (21), the inner bottom end of the shell (21) is fixedly connected with one end of a telescopic rod (22), the other end of the telescopic rod (22) penetrates through the shell (21) and the bottom of the sealing layer (5), connecting seats (23) are arranged on the left side and the right side of the two sides of the shell (21), the two ends of the connecting seats (23) are connected with a transmission device (4) in a penetrating and sliding mode, the transmission device (4) comprises a chute box (41), a push rod (42) is fixedly connected to the bottom of the chute box (41), one side of the chute box (41) close to the shell (21) is connected with one end of a transmission rod (43) in a sliding and rotating mode, the other end of the transmission rod (43) is connected with the inner wall of the shell (21) in a rotating mode, a mold outlet (33) is arranged at the top of the lower mold (3), a mold outlet (33) is connected with a sliding block (31), and two sides of the sliding block (31) are connected with a sliding block (31), the inclined plane of the inner side end of the sliding block (32) is matched with the inclined plane of the push block (34), and the inclined plane of the outer side end of the sliding block is matched with the inclined plane of the bottom end of the push rod (42).

2. The injection mold for facilitating demolding as claimed in claim 1, wherein: the two transmission devices (4) are symmetrical relative to the center of the injection molding layer (2), and the sliding grooves in the sliding groove box (41) are grooves with one ends open, and the length of the sliding grooves is twenty-two centimeters.

3. The injection mold facilitating demolding as claimed in claim 1, wherein: the transmission rod (43) is composed of four parts, a main rod is connected with the sliding groove box (41), an auxiliary rod is connected with the shell (21), a torsion spring is installed in a rotating shaft of the auxiliary rod connected with the shell (21), the two rods are connected through a vertical rod, a transverse rod is connected to the right side of the vertical rod, and the length of the main rod is forty-five centimeters.

4. The injection mold for facilitating demolding as claimed in claim 1, wherein: the telescopic link (22) comprises the three-section, the top be the stock, its outside be the king-rod, the side that the king-rod is close transfer line (43) extends there is the nose bar, the nose bar is located the below of transfer line (43) horizontal pole, the outside quarter butt that is of king-rod, the frictional resistance of stock and king-rod is greater than the frictional resistance of king-rod and quarter butt.

5. The injection mold for facilitating demolding as claimed in claim 1, wherein: the cross section of the die outlet (33) is square, and the bottom of the die outlet (33) is communicated with the sliding groove (31).

6. The injection mold facilitating demolding as claimed in claim 1, wherein: spring seats are installed on two sides of the middle of the sliding block (32), and the compression direction of the springs faces the direction of the die outlet (33).