Heating mold capable of keeping plastic part clean and tidy

Abstract

The utility model relates to a heating mold capable of keeping a plastic part clean and tidy, which comprises a male mold frame, a male mold plate, a female mold frame, a female mold frame, a male mold plate, a female mold plate and a male mold plate, wherein the male mold plate is arranged in the male mold frame; the female die frame is provided with a main runner penetrating through the upper surface and the lower surface of the female die frame, and the main runner is communicated with the forming cavity; the heating assembly comprises a first heating plate, a second heating plate and heating wires embedded in the first heating plate and the second heating plate, the first heating plate is in contact with the male mold plate, and the second heating plate is in contact with the female mold plate; heat is conducted to the male mold plate through the first heating plate, heat is conducted to the female mold plate through the second heating plate, the temperature of the male mold plate and the temperature of the female mold plate are increased, materials are heated, and the problem that oil stains appear on the surfaces of products is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mold heating, in particular to a heating mold capable of keeping plastic parts clean. BACKGROUND

[0002] A mold is a tool used to shape an object, which is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the shape of an object through the change of the physical state of the shaped material, and in the process of shaping a product by using a mold, the mold often needs to be heated so as to have a corresponding working temperature.

[0003] According to Chinese patent CN206230796U, a heat-conducting oil heating mold is disclosed, which comprises a lower mold provided with a forming cavity, a heat-conducting oil pipeline and a water channel, the heat-conducting oil pipeline and the water channel are evenly distributed in the lower mold respectively, and form a closed ring when viewed from above, adjacent heat-conducting oil pipelines are connected, and adjacent water channels are connected, when the upper mold and the lower mold are closed, the injection port is connected with the forming cavity, the heat-conducting oil pipeline and the water channel are used in cooperation, and surround the forming cavity to heat, but when a mold is needed to produce a high-mold-temperature product with bright colors, the heat-conducting oil is easy to leak at the connection between various parts, and there is a possibility that the heat-conducting oil stains the product, resulting in oil stains on the surface of the product.

[0004] Therefore, it is necessary to develop a heating mold capable of keeping plastic parts clean to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a heating device capable of avoiding product pollution and keeping plastic parts clean.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a heating mold capable of keeping plastic parts clean, which comprises:

[0007] A male mold frame and a male mold plate installed in the male mold frame, wherein the male mold plate is provided with a forming cavity;

[0008] A female mold frame and a female mold plate installed on the female mold frame, wherein the female mold base and the female mold frame are provided with a main flow channel penetrating through the upper and lower surfaces thereof, and the main flow channel is communicated with the forming cavity;

[0009] A heating assembly, which comprises a first heating plate, a second heating plate and a heating wire embedded in the first heating plate and the second heating plate, wherein the first heating plate contacts the male mold plate, and the second heating plate contacts the female mold plate.

[0010] Further, the first heating plate is arranged between the male mold frame and the male mold plate, and the upper surface thereof is attached to the lower surface of the male mold plate.

[0011] Further, the first heating plate has a groove formed by recessing inward from the upper surface, and the forming cavity is located in the groove.

[0012] Further, the first heating plate further has a first wire slot formed by recessing inward from the upper surface, and an outer end of the first wire slot penetrates through the outer side surface of the first heating plate, and the heating wire penetrates through the first heating plate into the first wire slot.

[0013] Further, the first wire slot is provided with a first fixing pin and a second fixing pin, the first fixing pin is located at the inner end of the first wire slot to fix the running direction of the heating wire, and the second fixing pin is located at the outer end of the first wire slot to fix the position of the heating wire.

[0014] Further, the heating assembly comprises a first interface, which is installed on the side surface of the first heating plate and connected to one end of the heating wire.

[0015] Further, the second heating plate is attached between the female mold frames.

[0016] Further, the second heating plate further has a second wire slot formed by recessing inward from the lower surface of the second heating plate, and an outer end of the second wire slot penetrates through the outer side surface of the second heating plate, and the heating wire penetrates through the second heating plate into the second wire slot.

[0017] Further, the heating assembly comprises a second interface, which is installed on the side surface of the second heating plate and connected to one end of the heating wire.

[0018] Further, the heating assembly is externally provided with a heat insulation assembly, and the heat insulation assembly comprises an internal heat insulation plate and an external heat insulation plate, the internal heat insulation plate is respectively arranged between the male mold frame and the first heating plate, and the external heat insulation plate is located outside the male mold frame and the female mold frame.

[0019] Compared with the prior art, the utility model has the advantages that: the utility model discloses a heating mold for keeping plastic parts clean, which has the characteristics of avoiding product pollution, heat is conducted to the male mold plate by the first heating plate, heat is conducted to the female mold plate by the second heating plate, the temperature of the male mold plate and the female mold plate is increased, and the material is heated, thereby avoiding the problem that when the high mold temperature product with bright color is produced, oil stains appear on the surface of the product. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without creative labor, wherein:

[0021] Figure 1 It is a three-dimensional structure schematic diagram of the heating mold for keeping plastic parts clean;

[0022] Figure 2 It is Figure 1 It is a male die structure schematic diagram of the heating device for keeping plastic parts clean;

[0023] Figure 3 It is Figure 1 It is a partial structure schematic diagram of the male die of the heating device for keeping plastic parts clean;

[0024] Figure 4 It is Figure 1 It is a partial structure schematic diagram of the male die and the partial structure schematic diagram of the ejection device of the heating device for keeping plastic parts clean;

[0025] Figure 5 It is Figure 1 It is a female die structure schematic diagram of the heating device for keeping plastic parts clean;

[0026] Figure 6 It is Figure 1 It is a male die heating assembly structure schematic diagram of the heating device for keeping plastic parts clean;

[0027] Figure 7 It is Figure 5 It is a female die heating assembly structure schematic diagram of the heating device for keeping plastic parts clean;

[0028] Figure 8 It is Figure 1 It is a sectional view of the heating device for keeping plastic parts clean.

[0029] In the figure: 1, male die; 2, female die; 3, heating assembly; 4, heat insulation assembly; 5, ejection device; 6, junction box; 11, male die seat; 12, male die frame; 13, male die plate; 121, cavity; 131, mounting cavity; 132, module; 133, forming cavity; 134, runner; 14, guide sleeve; 15, clearance groove; 51, ejector pin; 52, guide rod; 21, female die seat; 22, female die frame; 23, main runner; 221, through hole; 222, female die plate; 223, runner opening; 24, guide column; 31, first interface; 32, first heating plate; 33, second interface; 34, second heating plate; 321, groove; 35, heating wire; 322, first wiring groove; 36, first fixing bolt; 37, second fixing bolt; 341, channel; 342, second wiring groove; 41, built-in heat insulation plate; 42, external heat insulation plate; 61, wire. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] Referring to Figures 1 to 8 The present application is a heating die for keeping plastic parts clean, which comprises a male die 1, a female die 2 connected with the male die 1, and a heating assembly 3 and a heat insulation assembly 4 respectively installed in the male die 1 and the female die 2.

[0032] Referring to Figures 2 to 3 The male die 1 comprises a male die seat 11, a male die frame 12 fixedly installed on the male die seat 11, and a male die plate 13 fixedly connected with the male die frame 12. The male die seat 11 bears the male die frame 12 and the male die plate 13, so that they remain in a horizontal state. The male die frame 12 has a cavity 121 recessed inward from its upper surface. The male die plate 13 is located in the cavity 121 and has a mounting cavity 131 recessed inward from its upper surface. A module 132 is installed in the mounting cavity 131. The shape of the module 132 can be changed according to requirements. In addition, the module 132 has a plurality of forming cavities 133 recessed inward from its upper surface and a runner 134 connecting the forming cavities 133. The shape of the forming cavities 133 can also be changed according to requirements.

[0033] Preferably, the male die frame 12 is provided with a clearance groove 15 recessed inward from its upper surface.

[0034] Referring to Figure 4The ejector 5 is installed in the male die seat 11, and includes a plurality of ejector pins 51 and a plurality of guide rods 52. The ejector pins 51 extend through the male die frame 12 and the male die plate 13 and into the molding cavity 133. The guide rods 52 extend through the male die frame 12 and the male die plate 13 and out of the cavity 121.

[0035] Referring to Figure 5 The female die 2 includes a female die seat 21, a female die frame 22 fixedly installed on the female die seat 21, and a main runner 23 provided on the female die seat 21 and the female die frame 22. The female die seat 21 supports the female die frame 22 so as to keep the female die frame 22 in a horizontal state. The female die frame 22 has a through hole 221 extending through the upper and lower surfaces thereof. The through hole 221 has a shape changed according to requirements, and a plurality of female die plates 222 and a runner port 223 are installed in the through hole 221. The plurality of female die plates 222 are fixed at the top portions thereof in the through hole 221, and extend to the lower surface of the female die frame 22 at the bottom portions thereof, and correspond to the molding cavity 133. The runner port 223 is located at the center of the female die 2 and corresponds to the runner 134. The main runner 23 extends through the female die frame 22 and the female die seat 21 and communicates with the runner port 223. Material can enter the molding cavity 133 and the runner 134 formed by the closure of the male die 1 and the female die 2 through the main runner 23 and the runner port 223.

[0036] A plurality of guide sleeves 14 are provided on the outer side of the male die 1, and a plurality of guide columns 24 are provided on the outer side of the female die 2, and the plurality of guide columns 24 correspond to the plurality of guide sleeves 14.

[0037] Referring to Figures 6 to 7 The heating assembly 3 includes a first interface 31, a first heating plate 32 connected to the first interface 31, a second interface 33, and a second heating plate 34 connected to the second interface 33. The first heating plate 32 is located in the cavity 121 and has a recess 321 recessed inward from the surface thereof. The module 132 is provided in the recess 321. The guide rods 52 located on the outer side of the module 132 extend through the first heating plate 32. Further, a heating wire 35 is embedded in the first heating plate 32 and is arranged in a zigzag shape in the first heating plate 32. The first interface 31 is installed on the side surface of the first heating plate 32 and connected to one end of the heating wire 35.

[0038] Preferably, a junction box 6 is installed on the outer side of the first interface 31, and the junction box 6 is connected to a power supply.

[0039] The first heating plate 32 further has a first wire slot 322 formed by recessing inward from the surface of the first heating plate 32, the outer end of the first wire slot 322 penetrates the outer surface of the first heating plate 32, the heating wire 35 penetrates the first heating plate 32 into the first wire slot 322, the first wire slot 322 is provided with the first fixing peg 36 and the second fixing peg 37, the first fixing peg 36 is located at the inner end of the first wire slot 322 and is used for fixing the direction of the heating wire 35, the second fixing peg 37 is located at the outer end of the first wire slot 322 and is used for fixing the position of the heating wire 35, the second fixing peg 37 can be fixed with the wire 61, the current passes through the first interface 31 and the heating wire 35 and then flows through the wire 61.

[0040] The second heating plate 34 is located between the female die seat 21 and the female die frame 22, has a passage 341 penetrating the upper and lower surfaces, the upper part of the passage 341 communicates with the main flow channel 23, the lower part of the passage 341 communicates with the flow channel port 223, the lower surface of the second heating plate 34 is attached to the female die frame 22, further, the second heating plate 34 is embedded with the heating wire 35, the heating wire 35 is arranged in a zigzag manner in the second heating plate 34, the second interface 33 is installed on the side surface of the second heating plate 34 and is connected to one end of the heating wire 35.

[0041] The second heating plate 34 further has a second wire slot 342 formed by recessing inward from the lower surface of the second heating plate 34, the outer end of the second wire slot 342 penetrates the outer surface of the second heating plate 34, the heating wire 35 penetrates the second heating plate 34 into the second wire slot 342, the second wire slot 342 is provided with the first fixing peg 36 and the second fixing peg 37, the first fixing peg 36 is located at the inner end of the second wire slot 342 and is used for fixing the direction of the heating wire 35, the second fixing peg 37 is located at the outer end of the second wire slot 342 and is used for fixing the position of the heating wire 35, the second fixing peg 37 can be fixed with the wire 61, the current passes through the second interface 33 and the heating wire 35 and then flows through the wire 61.

[0042] Please refer to Figure 1 and Figure 8 , the heat insulation assembly 4 comprises the built-in heat insulation plate 41 and the external heat insulation plate 42, the number of the built-in heat insulation plate 41 is one pair and is respectively located in the male die 1 and the female die 2, specifically, the built-in heat insulation plate 41 is located in the installation cavity 131 and is arranged between the male die frame 12 and the first heating plate 32, blocks the temperature emitted by the first heating plate 32 from being conducted to the male die frame 12, the built-in heat insulation plate 41 is located between the female die seat 21 and the second heating plate 34 and blocks the temperature emitted by the second heating plate 34 from being conducted to the female die seat 21.

[0043] The external heat insulation plate 42 is located on the outer side of the male die frame 12 and the female die seat 21 and is used for blocking the temperature emitted outward by the first heating plate 32 and the second heating plate 34.

[0044] The utility model discloses a kind of heating moulds that keep plastic parts neat, material is formed into the forming cavity 133 and flow channel 134 inside by main runner 23, passageway 341 and flow channel mouth 223 into public mould 1 and female mould 2 closure when the utility model is used, junction box 6 is connected power supply, wire 61 connects first interface 31 and junction box 6, heating wire 35 generates heat, heat is conducted to public mould plate 13 by first heating plate 32, simultaneously wire 61 connects second interface 33 and junction box 6, heating wire 35 generates heat, heat is conducted to female mould plate 222 by second heating plate 34, the temperature of public mould plate 13 and female mould plate 222 rises, material hot fixed type located between public mould plate 13 and female mould plate 222, simultaneously built-in heat insulation plate 41 and external heat insulation plate 42 block the emission of heat.

[0045] The utility model discloses a kind of heating moulds that keep plastic parts neat, with the characteristics of avoiding product pollution, heat is conducted to public mould plate by first heating plate, heat is conducted to female mould plate by second heating plate, the temperature of public mould plate and female mould plate rises, material is heated, avoid the problem that when the high mould temperature product of color is relatively bright, product surface appears oil stain.

[0046] The above, just for the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, equivalent replacement or change, it should be covered in the protection scope of the utility model.

Claims

1. A heated mold for keeping plastic parts clean, characterized in that, It includes: A male mold frame (12) and a male template (13) installed in the male mold frame (12), wherein the male template (13) is provided with a molding cavity (133); The mother mold frame (22) and the mother template (222) installed on the mother mold frame (22) are provided with a main channel (23) that runs through its upper and lower surfaces and the main channel (23) is connected to the molding cavity (133); The heating assembly (3) includes a first heating plate (32), a second heating plate (34), and a heating wire (35) embedded in the first heating plate (32) and the second heating plate (34). The first heating plate (32) contacts the male template (13), and the second heating plate (34) contacts the female template (222).

2. The heating mold for keeping plastic parts clean according to claim 1, characterized in that, The first heating plate (32) is located between the male mold frame (12) and the male template (13), with its upper surface attached to the lower surface of the male template (13).

3. The heated mold for keeping plastic parts clean according to claim 2, characterized in that, The first heating plate (32) has a groove (321) formed by recessing from the upper surface inward, and the forming cavity (133) is located in the groove (321).

4. The heated mold for keeping plastic parts clean according to claim 2, characterized in that, The first heating plate (32) also has a first wiring groove (322) formed by recessing from its upper surface. The outer end of the first wiring groove (322) penetrates the outer surface of the first heating plate (32), and the heating wire (35) passes through the first heating plate (32) and enters the first wiring groove (322).

5. The heated mold for keeping plastic parts clean according to claim 4, characterized in that, The first wiring groove (322) is provided with a first fixing bolt (36) and a second fixing bolt (37). The first fixing bolt (36) is located at the inner end of the first wiring groove (322) to fix the direction of the heating wire (35). The second fixing bolt (37) is located at the outer end of the first wiring groove (322) to fix the position of the heating wire (35).

6. The heated mold for keeping plastic parts clean according to claim 1, characterized in that, The heating component (3) includes a first interface (31), which is installed on the side of the first heating plate (32) and connected to one end of the heating wire (35).

7. The heated mold for keeping plastic parts clean according to claim 1, characterized in that, The second heating plate (34) is attached to the female mold frame (22).

8. The heated mold for keeping plastic parts clean according to claim 7, characterized in that, The second heating plate (34) also has a second wiring groove (342), which is formed by recessing from the lower surface of the second heating plate (34) and its outer end penetrates the outer surface of the second heating plate (34). The heating wire (35) passes through the second heating plate (34) and enters the second wiring groove (342).

9. The heated mold for keeping plastic parts clean according to claim 7, characterized in that, The heating component (3) includes a second interface (33), which is mounted on the side of the second heating plate (34) and connected to one end of the heating wire (35).

10. The heated mold for keeping plastic parts clean according to claim 1, characterized in that, A heat insulation component (4) is installed on the outside of the heating component (3). The heat insulation component (4) includes an internal heat insulation plate (41) and an external heat insulation plate (42). The internal heat insulation plate (41) is respectively disposed between the male mold frame (12) and the first heating plate (32). The external heat insulation plate (42) is located on the outside of the male mold frame (12) and the female mold frame (22).

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