CN209794474U

CN209794474U - Prevent injection molding mould of early setting

Info

Publication number: CN209794474U
Application number: CN201920594216.3U
Authority: CN
Inventors: 廖长建; 吴定明; 张军
Original assignee: Chongqing Yongxin Precision Electronic Technology Co Ltd
Current assignee: Chongqing Yongxin Precision Electronic Technology Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2019-12-17
Anticipated expiration: 2029-04-28

Abstract

The utility model relates to the technical field of injection molds, in particular to an injection molding mold for preventing early solidification, which comprises a base, an upper template and a mounting frame, wherein the lower template is arranged above the base, the middle part of the top end of the lower template is provided with a lower mold through pouring, an ejector rod is fixed below the lower mold, the bottom of the ejector rod is connected with a top plate, the upper template is arranged right above the lower template, in the utility model, through a push block, a heating wire, a heat insulation pad and a flow guide port, when the molten material needs to be heated, under the matching of the push block, the device adjusts the outer surface of the heat insulation pad wrapped by the outer end of the heating wire and the side surface of the mounting frame to a mutually-jointed state in a pushing mode, the device takes the heating wire in a power-on state as an electric heating element, and utilizes the diffusion of heat energy generated around the heating wire to heat the lower end of the molten material, can effectively prevent the melt material from being influenced by temperature factors to generate the phenomenon of early coagulation.

Description

Prevent injection molding mould of early setting

Technical Field

The utility model relates to an injection mold technical field specifically is a prevent early injection molding mould that congeals.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. The method specifically comprises the steps of injecting heated and melted plastic into a mold cavity at high pressure by an injection molding machine, and cooling and solidifying to obtain a formed product, wherein the mold mainly comprises a pouring system, a temperature regulating system, a formed part and a structural part.

Injection mold on the market is when supplementary plastic part product realization shaping, should consider to be equipped with certain heating structure in the unloading end of melt, prevent effectively that the melt from receiving the influence of temperature factor, the phenomenon of early congealing appears, simultaneously accomplish the unloading operation back at quantitative melt, need consider to be equipped with certain drawing pull-out structure to whole heating structure, avoid because of closing on of heating structure, make whole product cooling fashioned time take place the extension, therefore, propose a prevent early injection molding mould that congeals to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent injection molding mould of early congealing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

An injection molding part mold for preventing early setting comprises a base, an upper mold plate and a mounting frame, wherein the lower mold plate is mounted above the base, a lower mold is arranged in the middle of the top end of the lower mold plate through pouring, an ejector rod is fixed below the lower mold plate, a top plate is connected to the bottom of the ejector rod, the upper mold plate is arranged right above the lower mold plate, an upper mold is fixed in the middle of the bottom end of the upper mold plate, an injection port is formed in the middle of the top end of the upper mold plate through pouring, a sealing cover covers the injection port, the sealing cover is connected with the upper mold plate through a positioning block in a matched manner, a flow guide port is connected to the bottom of the injection port, flow guide plates are fixed to two sides of the interior of the injection port, the mounting frame is arranged in the upper mold plate through pouring, a push rod is inserted into the mounting frame, and positioning pulleys are, and the one end welding of push rod has the promotion piece, the wiring mouth has been seted up through pouring in the inside of promotion piece, and the heating wire is installed to one side of promotion piece, and the outer end parcel of heating wire has the heat insulating mattress.

Preferably, the vertical central axis of the lower template and the vertical central axis of the upper template are positioned on the same horizontal line, the bottom of the upper template and the top of the upper die are welded and fixed, and the outer end of the upper die is matched with the inner end of the lower die in shape.

preferably, the transverse diameter of the injection port is smaller than that of the sealing cover, the bottom of the sealing cover and the top of the positioning block are fixedly welded, and a guide plate with an inclined side edge is arranged in the injection port.

Preferably, the connection of installing frame and push rod constitutes nested structure, and closely laminates between the internal surface of installing frame and the outer end of positioning pulley, positioning pulley is the equidistance structure and sets up in the upper and lower both ends of push rod, and the push rod is "T" word structural distribution and sets up.

Preferably, the heating wire passes through the heat insulating mattress and promotes the piece bonding fixed, and promotes the inside of piece and be the wiring mouth of hollow column structure, adjacent setting between heating wire and the water conservancy diversion mouth.

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

1. In the utility model, through the push block, the heating wire, the heat insulation pad and the diversion port, when the melt is required to be heated, under the cooperation of the push block, the device utilizes the pushing mode to adjust the outer surface of the heat insulation pad wrapped by the outer end of the heating wire and the side surface of the mounting frame to the mutually-fitted state, the device takes the heating wire in the power-on state as an electric heating element, and utilizes the diffusion of heat energy generated around the heating wire to heat from the blanking end of the melt, thereby effectively preventing the melt from being influenced by temperature factors and generating the phenomenon of early coagulation;

2. The utility model discloses in, push rod through setting up, promote the piece, installing frame and positioning pulley, when because the factor of high temperature influences whole off-the-shelf shaping speed, combine the push rod through promoting piece and whole heating structure fixed connection, and the push rod adopts the mode of activity to set up, the device manual control is drawing the push rod and is hugging closely the inside outwards pulling out in the installing frame through positioning pulley, carry whole heating structure with the help of this pulling out action until the push rod and break away from the inside that is the installing frame of cavity column structure, the device breaks away from with the help of whole heating structure's quick, can slow down heating structure effectively and cool off fashioned interference to the product later stage.

Drawings

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

Fig. 2 is a schematic structural diagram of a portion a of fig. 1 according to the present invention.

in the figure: 1-base, 2-lower template, 3-lower mould, 4-ejector rod, 5-top plate, 6-upper template, 7-injection port, 8-sealing cover, 9-positioning block, 10-diversion port, 11-diversion plate, 12-upper mould, 13-mounting frame, 14-push rod, 15-positioning pulley, 16-pushing block, 17-wiring port, 18-electric heating wire and 19-heat insulation pad.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

An injection molding part mold for preventing early setting comprises a base 1, an upper mold plate 6 and a mounting frame 13, wherein a lower mold plate 2 is installed above the base 1, a lower mold 3 is arranged in the middle of the top end of the lower mold plate 2 through pouring, an ejector rod 4 is fixed below the lower mold 3, a top plate 5 is connected to the bottom of the ejector rod 4, after a product after injection molding is cooled and formed, the ejector rod 4 and the top plate 5 are arranged through the device, the device pushes the formed product upwards under the mutual matching of the ejector rod 4 and the top plate 5 and multiple components, then a worker takes out the corresponding product, the pushing technology of the injection mold related to the structure is the prior art, the upper mold plate 6 is arranged right above the lower mold plate 2, an upper mold 12 is fixed in the middle of the bottom end of the upper mold plate 6, an injection port 7 is formed in the middle of the top end of the upper mold plate 6 through pouring, and a sealing cover 8 covers the right above the injection port 7, the sealing cover 8 is connected with the upper template 6 through a positioning block 9 in a clamping manner, the bottom of the injection port 7 is connected with a flow guide port 10, guide plates 11 are fixed on two sides of the inside of the injection port 7, the mounting frame 13 is arranged inside the upper template 6 through pouring, a push rod 14 is inserted into the mounting frame 13, the upper end and the lower end of the push rod 14 are fixedly connected with positioning pulleys 15 through screws, one end of the push rod 14 is welded with a push block 16, a wiring port 17 is formed in the push block 16 through pouring, an electric heating wire 18 is arranged on one side of the push block 16, the outer end of the electric heating wire 18 is wrapped with a heat insulation pad 19, the heat insulation pad 19 made of glass fiber material is used for realizing the connection between the electric heating wire 18 and the push block 16 through the arrangement of a U-shaped structure, and meanwhile, according to the heat insulation property of the glass fiber material, the arrangement of the heat insulation pad 19 can effectively isolate the electric, the scalding damage to it.

The vertical central axis of the lower template 2 and the vertical central axis of the upper template 6 are positioned on the same horizontal line, the bottom of the upper template 6 and the top of the upper die 12 are welded and fixed, the outer end of the upper die 12 is matched with the inner end of the lower die 3 in shape, and the upper template 6 covers under the lower template 2 after being pulled, and the upper die 12 fixedly connected with the upper template 6 is matched and connected with the lower die 3 arranged at the top of the lower template 2 by utilizing the characteristic of matching in shape at the moment; the transverse diameter of the injection port 7 is smaller than that of the sealing cover 8, the bottom of the sealing cover 8 and the top of the positioning block 9 are welded and fixed, a guide plate 11 with an inclined side edge is arranged in the injection port 7, when injection operation is not needed, the sealing cover 8 made of rubber is arranged through the device, when the sealing cover 8 is covered right above the injection port 7 in a clamping connection mode under the matching of the positioning block 9, according to the sealing performance of the rubber, the sealing cover 8 plays a role in sealing and shielding the hollow space of the injection port 7 by utilizing the size difference between the sealing cover 8 and the injection port 7, the influence of external factors on the whole injection structure is effectively isolated, when corresponding molten materials are injected into the injection port 7, the guide plate 11 can play a role in guiding the falling of the molten materials by utilizing the inclined structure of the guide plate, the melting material falls into the corresponding forming cavity finally after falling into the diversion port 10 along the diversion plate 11 in an inclined track; the connection of the mounting frame 13 and the push rod 14 forms a nested structure, the inner surface of the mounting frame 13 is tightly attached to the outer end of the positioning pulley 15, the positioning pulley 15 is arranged at the upper end and the lower end of the push rod 14 in an equidistant structure, the push rod 14 is arranged in a T-shaped structure, when the forming rate of the whole finished product is influenced by a factor of overhigh temperature, the push rod 14 is fixedly connected with the whole heating structure through the pushing block 16, the push rod 14 is arranged in a movable mode, the device manually controls to pull the push rod 14 to be tightly attached to the inner wall of the mounting frame 13 through the positioning pulley 15 to be pulled outwards until the push rod 14 carries the whole heating structure to be separated from the inside of the mounting frame 13 in a hollow structure by means of the pulling action, the device can effectively reduce the interference of the heating structure on the later-stage cooling forming of the product by virtue of the quick separation of the whole, in combination with the close fit of the positioning pulley 15 and the mounting frame 13, the positioning pulley 15 can be filled in a connecting gap between the push rod 14 and the mounting frame 13, and the positioning pulley 15 with an equidistant structure also has a limiting effect on the pulling-out action of the push rod 14, so that the whole pulling-out track is ensured to be always on a horizontal line; the electric heating wire 18 is fixedly bonded with the pushing block 16 through the heat insulation pad 19, the inside of the pushing block 16 is provided with a wiring port 17 which is in a hollow structure, the electric heating wire 18 and the flow guide port 10 are adjacently arranged, when a molten material needs to be heated, the device pulls the push rod 14 to carry the whole heating structure to approach towards the inner end of the mounting frame 13 under the manual control in a pushing mode until the outer surface of the heat insulation pad 19 wrapped by the outer end of the electric heating wire 18 is attached to the side surface of the mounting frame 13, at the moment, the electric heating wire 18 is just adjacent to the flow guide port 10, then the electric heating wire 18 in a power-on state is used as an electric heating element of the device, the diffusion of heat energy generated around the electric heating wire 18 is utilized to heat the molten material falling into the flow guide port 10, and the structure enables the device to have a certain heating structure, through heating at the unloading end of molten material, can prevent effectively that the molten material from because of the influence of temperature factor, the phenomenon of early congealing appears, and wiring mouth 17 for cavity column structure itself can reserve out corresponding installing port for the electric connection of corresponding wire and heating wire 18.

The working process is as follows: the upper template 6 is covered under the lower template 2 after being dragged, the upper mould 12 fixedly connected with the upper template 6 is in fit connection with the lower mould 3 arranged at the top of the lower template 2 by utilizing the characteristic of shape coincidence, the device can provide a corresponding injection mould for the forming of a later product by utilizing the structure of the fit connection, when corresponding molten materials are injected into the injection port 7, the guide plate 11 can guide the falling of the molten materials by utilizing the arrangement of the inclined structure of the guide plate 11 until the molten materials fall into the guide port 10 along the inclined track of the guide plate 11 and finally fall into a corresponding forming cavity, and the device is manually controlled to pull the push rod 14 to carry the whole heating structure to be close to the inner end of the mounting frame 13 by combining with a pushing mode until the outer surface of the heat insulation pad 19 wrapped by the outer end of the electric heating wire 18 is attached to the side surface of the mounting frame 13, the heating wire 18 is just adjacent to the diversion port 10, and then the device takes the heating wire 18 in the power-on state as an electric heating element, and utilizes the diffusion of the heat energy generated around the heating wire 18 to heat the melting material falling into the diversion port 10, the structure can ensure that the device has a certain heating structure, and simultaneously, by heating at the blanking end of the molten material, can effectively prevent the melt material from being influenced by temperature factors to generate the phenomenon of early coagulation, when the injection of the quantitative melt material is finished, the device is manually controlled to pull the push rod 14 to cling to the inner wall of the mounting frame 13 through the positioning pulley 15 and pull the push rod 14 outwards until the push rod 14 carries the whole heating structure to be separated from the inside of the mounting frame 13 in a hollow structure by virtue of the pulling action, the device breaks away from with the help of whole heating structure's quick, can slow down heating structure effectively and cool off fashioned interference to the product later stage.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent injection molding mould of early setting, includes base (1), cope match-plate pattern (6) and installing frame (13), its characterized in that: the lower die plate (2) is installed above the base (1), the lower die plate (3) is arranged in the middle of the top end of the lower die plate (2) through pouring, the ejector rod (4) is fixed below the lower die plate (3), the top plate (5) is connected to the bottom of the ejector rod (4), the upper die plate (6) is arranged right above the lower die plate (2), the upper die (12) is fixed in the middle of the bottom end of the upper die plate (6), the injection port (7) is formed in the middle of the top end of the upper die plate (6) through pouring, the sealing cover (8) covers the injection port (7), the sealing cover (8) is connected with the upper die plate (6) through a positioning block (9) in a clamping mode, the bottom of the injection port (7) is connected with a flow guide port (10), flow guide plates (11) are fixed to two sides of the injection port (7), and the mounting frame (13) is arranged inside the upper die plate (6, and the inside of installing frame (13) is pegged graft and is had push rod (14), the upper and lower both ends of push rod (14) all are through screw fixedly connected with positioning pulley (15), and the one end welding of push rod (14) has promotion piece (16), the inside of promotion piece (16) has seted up wiring mouth (17) through pouring, and has installed heating wire (18) in one side of promotion piece (16), and the outer end parcel of heating wire (18) has heat insulating mattress (19).

2. the injection mold for preventing premature setting of claim 1, wherein: the vertical central axis of the lower template (2) and the vertical central axis of the upper template (6) are positioned on the same horizontal line, the bottom of the upper template (6) and the top of the upper die (12) are welded and fixed, and the outer end of the upper die (12) is matched with the inner end of the lower die (3) in shape.

3. The injection mold for preventing premature setting of claim 1, wherein: the transverse diameter of the injection port (7) is smaller than that of the sealing cover (8), the bottom of the sealing cover (8) and the top of the positioning block (9) are fixedly welded, and a guide plate (11) with an inclined side edge is arranged in the injection port (7).

4. The injection mold for preventing premature setting of claim 1, wherein: the connection of installing frame (13) and push rod (14) constitutes nested structure, and closely laminates between the internal surface of installing frame (13) and the outer end of positioning pulley (15), positioning pulley (15) are the equidistance structure and set up in the upper and lower both ends of push rod (14), and push rod (14) are "T" word structural distribution and set up.

5. The injection mold for preventing premature setting of claim 1, wherein: the heating wire (18) is fixedly bonded with the pushing block (16) through the heat insulation pad (19), a wiring port (17) which is of a hollow structure is arranged inside the pushing block (16), and the heating wire (18) and the flow guide port (10) are adjacently arranged.