CN214820496U

CN214820496U - Intelligent die for shape-following waterway

Info

Publication number: CN214820496U
Application number: CN202120727078.9U
Authority: CN
Inventors: 孙振忠; 高国利; 黄铁平; 陈磊; 邓君; 宋成浩
Original assignee: Dongguan University of Technology; Shenzhen Silver Basis Technology Co Ltd
Current assignee: Dongguan University of Technology; Shenzhen Silver Basis Technology Co Ltd
Priority date: 2021-04-11
Filing date: 2021-04-11
Publication date: 2021-11-23
Anticipated expiration: 2031-04-11

Abstract

The invention relates to an intelligent mould with a conformal waterway, which comprises a lower mould, an upper mould and a mould closing inserted rod arranged on the lower mould, wherein a lower mould waterway is arranged in the lower mould, an upper mould waterway is arranged in the upper mould, the upper mould waterway is of a curve structure, the whole pattern formed by the upper mould waterway is consistent with the upper surface of a casting piece, the lower mould waterway is of a curve structure, the whole pattern formed by the lower mould waterway is consistent with the lower surface of the casting piece, temperature measurers are embedded in the inner walls of mould cavities of the lower mould and the upper mould, flow rate measurers and flow measurers are arranged in the upper mould waterway and the lower mould waterway, the temperature measurers, the flow rate measurers and the flow measurers are all wirelessly connected to a control system, the control system comprises a display module, an analysis module and an execution module, the display module is used for displaying the change conditions of the product temperature, the water channel flow rate and the water channel flow rate along with time, the analysis module analyzes whether the water channel flow rate and adjusts the water channel flow rate according to the displayed conditions, and the execution module is used for controlling the driving part of the waterway so as to adjust the flow rate and the flow of the waterway.

Description

Intelligent die for shape-following waterway

Technical Field

The invention relates to the field of molds, in particular to a shape-following waterway intelligent mold.

Background

The mold is called as the master of the industry, more than 90% of industrial products are manufactured by the mold, the mold temperature directly influences the quality and the production efficiency of injection molding products, the mold is properly controlled and adjusted mainly by a cooling system of the mold, the cooling water circuit in the traditional mold is an internal network generated by cross drilling, the flow speed and the direction are adjusted by a built-in fluid plug, the channel for guiding cooling materials is generally straight, the slow and uneven cooling effect is generated in a molding part, more challenges are provided for the design and the manufacturing technology of the mold along with the continuous improvement of the manufacturing level, the mold with higher production efficiency and better product quality is designed to be a problem to be solved urgently by a mold designer, the conformal cooling is a preferred scheme for solving the problem, which means that the cooling water circuit is changed along with the change of the geometric shape of the surface of the mold cavity, the principle is that the temperature is rapidly reduced in a uniform and continuous mode until the cooling is sufficient, and then the injection piece is taken out of the mold, however, the existing mold has no specific analysis on the flow rate, flow rate and temperature change of the water channel, and the flow rate and flow rate of the water channel cannot be changed, so that energy waste exists to a certain extent.

Disclosure of Invention

The invention aims to provide a conformal waterway intelligent mold, which can monitor the temperature change of a product in the mold, can analyze the influence of the change of the flow rate and the flow of cooling water on the temperature change, realize intelligent analysis and can adjust the flow rate and the flow of a waterway according to the analysis.

In order to achieve the above purpose, the invention adopts the technical scheme that: an intelligent mould with a conformal waterway comprises a lower mould, an upper mould and a mould closing inserted rod arranged on the lower mould, wherein a lower mould waterway is arranged in the lower mould, an upper mould waterway is arranged in the upper mould, the upper mould waterway is of a curve structure, the whole pattern formed by the upper mould waterway is consistent with the upper surface of an injection piece, the lower mould waterway is of a curve structure, the whole pattern formed by the lower mould waterway is consistent with the lower surface of the injection piece, temperature measurers are embedded in the inner walls of mould cavities of the lower mould and the upper mould, flow rate measurers and flow measurers are arranged in the upper mould waterway and the lower mould waterway, the temperature measurers, the flow rate measurers and the flow measurers are all wirelessly connected to a control system, the control system comprises a display module, an analysis module and an execution module, the display module is used for displaying the change conditions of the product temperature, the water channel flow rate and the water channel flow rate along with time, the analysis module analyzes whether the water channel flow rate and the water channel flow rate is reasonable and adjusts according to the displayed conditions, and the execution module is used for controlling the driving part of the waterway so as to adjust the flow rate and the flow of the waterway.

Preferably, a water temperature measuring device is arranged at a part of each water channel of the upper die water channel and the lower die water channel, which enters the die and the process die, and the water temperature measuring device is also wirelessly connected to the control system.

Preferably, the lower die and the upper die are obtained by printing SLM3D, the temperature measurer is embedded in the lower die or the upper die through a laser cladding process, and a measuring probe of the temperature measurer is flush with the inner wall of a cavity of the lower die or the upper die.

Preferably, the lower die waterway and the upper die waterway are staggered in vertical projection on a horizontal plane.

Preferably, the lower die waterway and the upper die waterway are both composed of at least two water channels.

Preferably, the upper die and the die closing inserted bar are in clearance fit, the side surfaces of the lower die and the upper die are provided with square openings which can be spliced, the square openings are matched with die closing locking blocks, the die closing locking blocks are arranged on the side surfaces of the upper die and the lower die through die closing bolts, and the die closing bolts are distributed in a square mode.

Preferably, last mould in be provided with mobilizable thimble, the thimble be connected with the kicking block that can penetrate into in the die cavity, the kicking block in be provided with the kicking block water route.

Preferably, a sprue bush is matched with the sprue of the upper die, and a sprue water channel in a thread shape is arranged in the sprue bush.

Drawings

FIG. 1 is a schematic structural diagram of a conformal waterway intelligent mold;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a schematic structural view of a sprue bushing portion;

FIG. 4 is a perspective view of the conformal waterway;

FIG. 5 is a perspective view of the upper mold waterway;

fig. 6 is a perspective view of the lower mold after the waterway is turned over 180 degrees.

The text labels shown in the figures are represented as: 1. a lower die; 2. an upper die; 3. a mold closing inserted bar; 4. a lower die waterway; 5. an upper die waterway; 6. a thimble; 7. a top block; 8. a sprue bush; 9. a locking block for die assembly; 10. a mold closing bolt; 11. a sprue waterway; 12. and a temperature measurer.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1 and fig. 4 to 6, the specific structure of the present invention is: an intelligent mould with a conformal waterway comprises a lower mould 1, an upper mould 2 and a mould closing inserted rod 3 arranged on the lower mould 1, wherein a lower mould waterway 4 is arranged in the lower mould 1, an upper mould waterway 5 is arranged in the upper mould 2, the upper mould waterway 5 is of a curve structure, the formed integral pattern is consistent with the upper surface of an injection piece, the lower mould waterway 4 is of a curve structure, the formed integral pattern is consistent with the lower surface of the injection piece, a temperature measurer 12 is embedded in the inner wall of a mould cavity of the lower mould 1 and the upper mould 2, a flow rate measurer and a flow measurer are arranged in the upper mould waterway 4 and the lower mould waterway 5, the temperature measurer 12, the flow rate measurer and the flow measurer are all wirelessly connected to a control system, the control system comprises a display module, an analysis module and an execution module, the display module is used for displaying the change conditions of the product temperature, the water channel flow rate and the water channel flow along with time, the analysis module analyzes whether the flow rate and the flow rate of the water channel are reasonable or not according to the displayed condition and adjusts the flow rate and the flow rate of the water channel.

Firstly, an upper die 2 and a lower die 1 are positioned and matched through a matched die insert rod 3, then materials in a molten state are injected from a pouring gate, a piece injection operation is carried out, then cooling water liquid is introduced into an upper die water channel 5 and a lower die water channel 4 through a water channel driving part at a proper water channel flow speed and water channel flow, the introduction time is recorded, meanwhile, a temperature measurer 12 can measure the real-time temperature of the piece injection and wirelessly transmit the measurement result to a display module, the display module can draw a time-temperature curve according to the numerical change of the temperature measurer, the introduction time and the like, then an analysis module can carry out analysis according to the change condition of the time-temperature curve, and further timely adjust the flow speed of the water channel and the flow of the water channel, then an execution module controls the water channel driving part to adjust the flow speed and the flow of the water channel, and the intelligent adjustment of the die cooling is realized, the cooling effect is improved and the energy waste is avoided.

And a water temperature measurer is arranged at the part of each water channel of the upper die water channel 5 and the lower die water channel 4, which enters the die and the flow die, and is also wirelessly connected to the control system.

The water temperature measuring devices are arranged at the inlet and the outlet of the water channel, so that the water channel can absorb heat, the accuracy of intelligent analysis can be improved, and the reduction of flow speed and flow can be considered when the temperature difference change value is reduced greatly.

The lower die 1 and the upper die 2 are obtained by printing SLM3D, the temperature measurer 12 is embedded in the lower die 1 or the upper die 2 through a laser cladding process, and a measuring probe of the temperature measurer 12 is flush with the inner wall of a die cavity of the lower die 1 or the upper die 2.

Adopt SLM3D to print the lower mould on the preparation, then pass through laser cladding technology embedding in last lower mould with the temperature measurement ware, so can be convenient for repair again after the convenient cutting takes out the temperature measurement ware, can not influence the use of mould after the restoration.

As shown in fig. 4-6, the vertical projections of the lower mold waterway 4 and the upper mold waterway 5 on the horizontal plane are staggered.

The crisscross setting in lower mould water route and last mould water route can more effectually reach the cooling effect.

As shown in fig. 4-6, the lower mold waterway 4 and the upper mold waterway 5 are both composed of at least two waterways.

The water channels form a water path, so that the cooling effect can be prevented from being reduced due to overlong cooling stroke.

As shown in fig. 1-2, the upper mold 2 is in clearance fit with the mold clamping insert rod 3, the side surfaces of the lower mold 1 and the upper mold 2 are provided with square openings which can be spliced, the square openings are matched with mold clamping locking blocks 9, the mold clamping locking blocks 9 are installed on the side surfaces of the upper mold 2 and the lower mold 1 through mold clamping bolts 10, and the mold clamping bolts 10 are distributed in a square shape.

The mould and compound die inserted bar 3 adopt clearance fit with going up, can avoid appearing wearing and tearing, through the design of compound die locking piece 9 and compound die bolt 10, can finely tune the compound die position of going up the lower mould, ensure the precision of compound die, concrete operation is after the preliminary compound die of mould under the completion, 9 fast put into the direction mouth with the compound die, then lock compound die bolt 10 again, the compound die bolt becomes square distribution, so have 4 at least, and then can fix a position through four points, the position fine setting of mould and lower mould is gone up in the realization.

As shown in fig. 1, a movable thimble 6 is arranged in the upper die 2, the thimble 6 is connected with a top block 7 which can be penetrated into the die cavity, and a top block waterway is arranged in the top block 7.

The design of thimble 6 and kicking block 7 can adjust the shape of die cavity, and then realizes the shaping of recess, sets up the kicking block water route in kicking block 7, can further improve refrigerated effect.

As shown in fig. 1 and 3, a sprue bush 8 is fitted to the sprue of the upper mold 2, and a sprue water passage 11 having a threaded shape is provided in the sprue bush 8.

The design of the sprue bush 8 and the arrangement of the threaded sprue channel 11 in the sprue bush allow cooling of the sprue part without slowing down the overall cooling effect.

It should be noted that, in this document, 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.

The principle and embodiments of the present invention have been described herein by way of specific examples, which are provided only to help understand the method and the core idea of the present invention, and the above is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can also be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims

1. The intelligent die with the shape-following water channel comprises a lower die (1), an upper die (2) and a die assembly inserted rod (3) arranged on the lower die (1), and is characterized in that a lower die water channel (4) is arranged in the lower die (1), an upper die water channel (5) is arranged in the upper die (2), the upper die water channel (5) is of a curve structure, a whole pattern formed by the upper die water channel is consistent with the upper surface of an injection piece, the lower die water channel (4) is of a curve structure, the whole pattern formed by the lower die water channel is consistent with the lower surface of the injection piece, temperature measuring devices (12) are embedded into the inner walls of die cavities of the lower die (1) and the upper die (2), flow speed measuring devices and flow measuring devices are arranged in the upper die water channel (5) and the lower die water channel (4), the temperature measuring devices (12), the flow speed measuring devices and the flow measuring devices are all wirelessly connected to a control system, and the control system comprises a display module, The display module is used for displaying the change conditions of the product temperature, the water channel flow rate and the water channel flow along with time, the analysis module analyzes whether the water channel flow rate and the water channel flow are reasonable or not according to the displayed conditions and adjusts the water channel flow rate and the execution module is used for controlling the driving part of the water channel to adjust the water channel flow rate and the water channel flow.

2. The intelligent mold with a conformal waterway according to claim 1, wherein a water temperature measurer is arranged on a part of each waterway of the upper mold waterway (5) and the lower mold waterway (4) entering the mold and the process mold, and the water temperature measurer is also wirelessly connected to a control system.

3. The intelligent mold with a shape-following waterway according to claim 1, wherein the lower mold (1) and the upper mold (2) are obtained by printing through an SLM3D, the temperature measurer (12) is embedded in the lower mold (1) or the upper mold (2) through a laser cladding process, and a measuring probe of the temperature measurer (12) is flush with the inner wall of a cavity of the lower mold (1) or the upper mold (2).

4. The conformal waterway cooling mold according to claim 2, wherein vertical projections of the lower mold waterway (4) and the upper mold waterway (5) on a horizontal plane are staggered.

5. The conformal waterway cooling mold according to claim 4, wherein the lower mold waterway (4) and the upper mold waterway (5) are composed of at least two waterways.

6. The conformal waterway cooling mold according to claim 1, wherein the upper mold (2) is in clearance fit with the mold closing inserted bar (3), the side surfaces of the lower mold (1) and the upper mold (2) are provided with square openings which can be spliced, the square openings are matched with mold closing locking blocks (9), the mold closing locking blocks (9) are installed on the side surfaces of the upper mold (2) and the lower mold (1) through mold closing bolts (10), and the mold closing bolts (10) are distributed in a square shape.

7. A shape-following waterway cooling mold according to claim 1, wherein a movable ejector pin (6) is arranged in the upper mold (2), the ejector pin (6) is connected with an ejector block (7) capable of penetrating into a mold cavity, and an ejector block waterway is arranged in the ejector block (7).

8. A conformal waterway cooling mold according to claim 1, wherein a sprue of the upper mold (2) is matched with a sprue bush (8), and a sprue waterway (11) with a thread shape is arranged in the sprue bush (8).