阅读说明：本技术 双层模外复合模具 (Double-layer external composite die ) 是由 黄扣兵 于 2020-07-27 设计创作，主要内容包括：本发明公开双层模外复合模具,包括上模具和下模具,所述上模具的下端螺栓固定有下模具,所述上模具的左侧设置有上航空插口,所述上航空插口的下方位于下模具的左侧设置有下航空插口,本发明双层模外复合模具有益效果是采用双流道出片,通过上进料孔和下进料孔将加热的A料和B料分别注入上模具和下模具的模腔中,A料和B料在两个独立流道进行挤压成型,且A料和B料在两个完全不同的温度也可以同时挤出,通过上模具和下模具上的模唇调节压杆和阻流棒调节,使A料和B料厚度完全可以独立精确控制厚度,通过采用一套模具两个独立流道,具有占用空间小,操作方便,用工人少,比采用两个独立模具成本低的优点。(The invention discloses a double-layer die external composite die, which comprises an upper die and a lower die, wherein the lower end of the upper die is fixed with the lower die through a bolt, the left side of the upper die is provided with an upper aviation socket, the lower part of the upper aviation socket is arranged on the left side of the lower die and is provided with a lower aviation socket, the double-layer die external composite die has the advantages that double-channel sheet discharging is adopted, heated A material and B material are respectively injected into die cavities of the upper die and the lower die through an upper feeding hole and a lower feeding hole, the A material and the B material are extruded and formed in two independent channels, the A material and the B material can be extruded at two completely different temperatures, the thicknesses of the A material and the B material can be completely and independently and accurately controlled through die lip adjusting pressure rods and flow blocking rods on the upper die and the lower die, the occupied space is small, and the operation is convenient by adopting one set of two independent channels of the die, less workers are used, and the cost is lower than that of adopting two independent dies.)

1. Compound mould outside double-deck mould, including last mould (2) and bed die (3), its characterized in that: a lower die (3) is fixed at the lower end of the upper die (2) through a bolt, an upper aviation socket (6) is arranged on the left side of the upper die (2), a lower aviation socket (5) is arranged below the upper aviation socket (6) and on the left side of the lower die (3), an upper feeding hole (1) is arranged on the lower middle side of the upper die (2), a lower feeding hole (4) is arranged on the lower middle side of the upper feeding hole (1) and on the upper middle side of the lower die (3), a die lip adjusting compression bar (10) is uniformly in threaded connection with the upper end upper side of the upper die (2), choke bars (9) are uniformly arranged on the upper side of the upper die (2) below the die lip adjusting compression bar (10), temperature measuring holes (8) are uniformly arranged on the upper side of the upper die (2) below the choke bars (9), and a power plug (7) is inserted into the lower end of the upper aviation socket (6), and a die side sealing plate (11) is fixed between the upper die (2) and the lower die (3) by a left end bolt.

2. The dual layer overmold composite mold of claim 1, wherein: the heating pipe is arranged inside the upper die (2) and the lower die (3), and the upper aviation socket (6) and the lower aviation socket (5) are electrically connected with an external power supply through a power plug (7).

3. The dual layer overmold composite mold of claim 1, wherein: the shapes of the inner flow passages of the upper die (2) and the lower die (3) are processed by polishing and hard chromium plating.

4. The dual layer overmold composite mold of claim 1, wherein: the rear ends of the upper die (2) and the lower die (3) are provided with discharge ports, double-channel sheet discharge is adopted, and the temperature measuring holes (8) are used for measuring the internal temperatures of the upper die (2) and the lower die (3).

5. The dual layer overmold composite mold of claim 1, wherein: the die side sealing plates (11) are arranged two and two, the die side sealing plates (11) are respectively arranged at the left end and the right end between the upper die (2) and the lower die (3), and the heating pipes are arranged at the inner ends of the two die side sealing plates (11).

6. The dual layer overmold composite mold of claim 1, wherein: the flow blocking rod (9), the temperature measuring hole (8) and the die lip adjusting compression rod (10) are arranged in two groups, the flow blocking rod (9), the temperature measuring hole (8) and the die lip adjusting compression rod (10) are arranged on the upper die (2) and the lower die (3) respectively, and the die lip adjusting compression rod (10) and the flow blocking rod (9) are used for adjusting the thickness of injection molding extrusion inside the upper die (2) and the lower die (3) and controlling the flow of extrusion plastics.

7. The dual layer overmold composite mold of claim 1, wherein: the upper die (2) and the lower die (3) are subjected to injection molding through the upper feeding hole (1) and the lower feeding hole (4), and are subjected to extrusion molding through two independent flow channels.

Technical Field

The invention belongs to the technical field of relevant dies, and particularly relates to a double-layer die outer composite die.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. And performing injection processing through a double-layer mold outer composite mold.

The prior double-layer external composite die technology has the following problems: 1. the existing mould in the market adopts in-mould compounding, and the defect of in-mould compounding is that the thicknesses of an upper layer and a lower layer, namely the thicknesses of a material a and a material b, cannot be accurately controlled; 2, the A material and the B material are not made into thick plates and can only be made into thin sheets; 3. if two independent dies and independent modules are combined, the occupied space is particularly large, and the investment cost is high; 4. the operation is complex and the labor is large.

Disclosure of Invention

The invention aims to provide a double-layer mold external composite mold, which aims to solve the problem 1 proposed in the background art that the existing mold in the market adopts in-mold compounding, and the defect of in-mold compounding is that the thicknesses of an upper layer and a lower layer, namely the thicknesses of a material and a material b cannot be accurately controlled; 2, the A material and the B material are not made into thick plates and can only be made into thin sheets; 3. if two independent dies and independent modules are combined, the occupied space is particularly large, and the investment cost is high; 4. the operation is complex, and the labor is increased.

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

the double-layer external composite die comprises an upper die and a lower die, wherein a lower die is fixed to the lower end of the upper die through a bolt, an upper aviation socket is arranged on the left side of the upper die, a lower aviation socket is arranged on the left side of the lower die below the upper aviation socket, an upper feeding hole is formed in the middle lower side of the upper die, a lower feeding hole is formed in the middle upper side of the lower die below the upper feeding hole, a die lip adjusting pressure rod is evenly connected to the upper end of the upper die through threads, a flow blocking rod is evenly arranged on the upper side of the upper die below the die lip adjusting pressure rod, temperature measuring holes are evenly formed in the upper side of the upper die below the flow blocking rod, a power plug is inserted into the lower end of the upper aviation socket, and a die side sealing plate is fixed to the left end of the upper die and the lower die through a bolt.

Preferably, the heating pipes are arranged inside the upper die and the lower die, and the upper aviation socket and the lower aviation socket are electrically connected with an external power supply through power plugs.

Preferably, the shapes of the inner flow passages of the upper die and the lower die are subjected to polishing and hard chromium plating treatment.

Preferably, the rear ends of the upper die and the lower die are provided with discharge ports, double-channel sheet discharge is adopted, and the temperature measuring holes are used for measuring the internal temperatures of the upper die and the lower die.

Preferably, the number of the die side sealing plates is two, the die side sealing plates are respectively arranged at the left end and the right end between the upper die and the lower die, and the heating pipes are arranged at the inner ends of the two die side sealing plates.

Preferably, the flow blocking rods, the temperature measuring holes and the die lip adjusting compression rods are arranged in two groups, the two groups of flow blocking rods, the two groups of temperature measuring holes and the two groups of die lip adjusting compression rods are respectively arranged on the upper die and the lower die, and the die lip adjusting compression rods and the flow blocking rods are used for adjusting the thickness of injection molding extrusion inside the upper die and the lower die and controlling the flow of extruded plastics.

Preferably, the upper die and the lower die are subjected to injection molding through an upper feeding hole and a lower feeding hole and are subjected to extrusion molding through two independent flow channels.

Compared with the prior art, the invention provides a double-layer external composite die, which has the following beneficial effects:

the double-layer external composite die has the advantages that double-channel sheet discharging is adopted, heated material A and material B are respectively injected into die cavities of the upper die and the lower die through the upper feeding hole and the lower feeding hole, the material A and the material B are extruded in two independent channels, the material A and the material B can be extruded at two completely different temperatures, the thicknesses of the material A and the material B can be completely, independently and accurately controlled through the adjustment of the die lip adjusting pressure rod and the flow blocking rod on the upper die and the lower die, and the double-layer external composite die has the advantages of small occupied space, convenience in operation, less workers and low cost compared with the two independent dies.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:

FIG. 1 is a schematic structural diagram of a double-layer external composite mold according to the present invention;

FIG. 2 is a schematic top view of a double-layer mold-outer composite mold according to the present invention;

FIG. 3 is a schematic side view of a dual-layer mold-outer composite mold according to the present invention;

in the figure: 1. an upper feed hole; 2. an upper die; 3. a lower die; 4. a lower feed port; 5. a lower aviation socket; 6. an air-over socket; 7. a power plug; 8. a temperature measuring hole; 9. a flow-blocking rod; 10. a die lip adjusting pressure rod; 11. and (5) a die side sealing 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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

double-deck extramodular composite mold, including last mould 2 and bed die 3, the lower extreme bolt fastening of going up mould 2 has bed die 3, the left side of going up mould 2 is provided with air inlet 6, the below of going up air inlet 6 is provided with down air inlet 5 in the left side of bed die 3, the well downside of going up mould 2 is provided with feed opening 1, the middle and upper side that the below of going up feed opening 1 is located bed die 3 is provided with down feed opening 4, the even threaded connection of the upper end upside of going up mould 2 has die lip adjusting compression bar 10, the upside that the below of die lip adjusting compression bar 10 is located bed die 2 evenly is provided with choked flow stick 9, the upside that the below of choked flow stick 9 is located bed die 2 evenly is provided with temperature measurement hole 8, power plug 7 has been pegged graft to the lower extreme of going up air inlet 6, left end bolt fastening has mould side seal board 11 between last mould 2 and the bed die 3.

Double-deck outer compound mould of mould, the inside including last mould 2 and bed die 3 is provided with the heating pipe, go up aviation socket 6 and down aviation socket 5 and link to each other with the external power electrical property through power plug 7, it handles to go up mould 2 and 3 inside runners appearance of bed die through the hard chromium of polishing, handle arrangement life through the hard chromium of polishing, the rear end of going up mould 2 and bed die 3 is provided with the discharge gate, adopt the double-flow way to go out the piece, temperature measurement hole 8 is used for measuring the inside temperature of mould 2 and bed die 3, mould side seal board 11 is provided with two altogether, and two mould side seal boards 11 install the end about between last mould 2 and bed die 3 respectively, and the heating pipe is installed to two 11 inner mould side seal boards.

Double-deck outer compound mould of mould, including choked flow stick 9, temperature measurement hole 8 and die lip regulation depression bar 10 are provided with two sets ofly altogether, and two sets of choked flow sticks 9, temperature measurement hole 8 and die lip regulation depression bar 10 are installed respectively on last mould 2 and bed die 3, die lip regulation depression bar 10 and choked flow stick 9 are used for adjusting 2 and 3 inside extruded thickness and the control extrusion plastics of moulding plastics of bed die and flow, it moulds plastics through last feed port 1 and lower feed port 4 with bed die 3 to go up mould 2, carry out extrusion through two independent runners.

The working principle and the using process of the invention are as follows: after the double-layer external composite die is installed, the double-layer external composite die performs injection and extrusion work, an upper aviation socket 6 and a lower aviation socket 5 are connected with a power plug 7 for electrifying, heated A material and B material are respectively injected into die cavities of an upper die 2 and a lower die 3 through an upper feeding hole 1 and a lower feeding hole 4, extrusion forming is performed through two independent runners, heating pipes inside the upper die 2, the lower die 3 and a die side sealing plate 11 start to heat in the extrusion process to prevent plastic cooling in the injection and extrusion process, and then a die lip adjusting pressure lever 10 and a flow blocking rod 9 on the upper die 2 and the lower die 3 are used for adjusting the thickness of the injection and extrusion of the die cavities inside the upper die 2 and the lower die 3 and controlling the flow of the extruded plastic, so that the formed A material plastic thick plate and the B material plastic thick plate are respectively discharged from two discharge ports.

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.