Electric heating mold structure and electric heating capsule mold

Abstract

The utility model discloses an electric heating mold structure and an electric heating capsule mold, and belongs to the technical field of vulcanization molds. The electric heating mold structure comprises a first mold body and a second mold body, and the first mold body and the second mold body are in butt joint and are detachably and fixedly connected; the first mold body is provided with a vulcanization forming surface; a wire slot is formed in the butt joint surface of the first mold body and the second mold body; a heating mounting cavity is formed in the first mold body, is communicated with the wire slot and extends in the axial direction of the vulcanization forming surface; a heating unit is mounted in the heating mounting cavity and is used for heating the vulcanization forming surface; at least one of the upper mold shell, the lower mold shell and the core mold of the electric heating capsule mold adopts the electric heating mold structure. The electric heating die structure adopts a split type design, is simple and reasonable in structure, and is convenient for later maintenance; and the electrical heating temperature rise is fast, the efficiency is high, the electrical heating capsule mold can accurately control the mold heating and heat preservation process, and the product yield is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vulcanization mould technical field, concretely relates to an electric heating mould structure and electric heating capsule mould. BACKGROUND

[0002] The process of capsule vulcanization forming needs to heat and pressurize the capsule by the mould, wherein the heating part is through heating the mould and then the mould acts on the capsule. At present, the mould applied in capsule vulcanization forming is mostly steam heating or oil heating, and the heat transfer efficiency of the two traditional heating methods is low, the heating speed is slow, and the heating medium such as steam or oil is easy to corrode the mould after long time use. SUMMARY

[0003] For the problems existing in the prior art, the utility model provides an electric heating mould structure and electric heating capsule mould, and the electric heating mould structure is designed in a split type, so that maintenance is facilitated. The electric heating capsule mould has high heating speed and high efficiency.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] On one hand, the utility model provides an electric heating mould structure, which comprises a first mould body and a second mould body, the first mould body is butted with the second mould body and is fixedly connected in a detachable mode.

[0006] The first mould body has a vulcanization forming surface.

[0007] A wire slot is arranged on the butt joint surface of the first mould body and the second mould body. A heating installation cavity is arranged in the first mould body, the heating installation cavity is communicated with the wire slot and extends in the axial direction of the vulcanization forming surface. A heating unit is installed in the heating installation cavity to heat the vulcanization forming surface.

[0008] In the above electric heating mould structure, the heating installation cavity comprises a plurality of heating installation holes, and the plurality of heating installation holes are distributed in the circumferential direction of the vulcanization forming surface. One end of the heating installation hole is communicated with the wire slot, and the other end extends into the first mould body.

[0009] In the above electric heating mould structure, the extension direction of the heating installation hole is parallel to the axial direction of the vulcanization forming surface or has a set angle.

[0010] In the above electric heating mould structure, the first mould body is provided with one or more than one heating installation hole.

[0011] In the above electric heating mould structure, the first mould body comprises an inner structure body and an outer sleeve body, and the outer sleeve body is sleeved on the outer side of the inner structure body.

[0012] The heating installation cavity comprises a plurality of annular channels and a plurality of communication channels, and the annular channels and the communication channels are arranged on the abutting surface of the inner structure body and the outer sleeve body; the plurality of annular channels are distributed at intervals in the axial direction of the vulcanization forming surface, and the communication channels communicate the annular channels.

[0013] In the electric heating mold structure, the annular channels and the communication channels are arranged on the outer lateral surface of the inner structure body.

[0014] In the electric heating mold structure, a plurality of heating installation grooves are further arranged on the abutting surface of the first mold detail and the second mold detail, the heating installation grooves are in communication with the wire grooves, and a heating unit is installed in the heating installation grooves.

[0015] In the electric heating mold structure, three heating installation grooves are arranged on the abutting surface of the first mold detail and the second mold detail.

[0016] In the electric heating mold structure, the heating unit is an electric heating wire or an electric heating rod.

[0017] In addition, the utility model provides an electric heating capsule mold which comprises an upper mold shell, a lower mold shell and a core mold, the upper mold shell and the lower mold shell surround the outside of the core mold, and the three cooperate to form a vulcanization forming cavity of a capsule; at least one of the upper mold shell, the lower mold shell and the core mold adopts the electric heating mold structure.

[0018] The utility model has the advantages of:

[0019] The electric heating mold structure adopts a split design, the wire grooves are arranged on the abutting surface of the first mold detail and the second mold detail, and the heating installation cavity is arranged in the first mold detail; the heating unit in the heating installation cavity can heat the vulcanization forming surface, the electric heating has a fast temperature rise and high efficiency, the structure is simple and reasonable, and the post-maintenance is facilitated.

[0020] The electric heating capsule mold not only has the heating function of the upper mold shell and the lower mold shell, but also has the electric heating unit arranged in the core mold, the heating area is wide, the heating efficiency is high, and the wiring problem of the electric heating unit is reasonably considered.

[0021] The electric heating capsule mold uses the heating unit for heating as a whole, and especially realizes the electric heating of the heating unit in the core body; in addition to the purposes of high efficiency, energy saving and emission reduction, compared with the traditional medium heating, the heating and heat preservation process of the mold can be accurately controlled through the control circuit, and the product yield is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1The utility model discloses a first embodiment structure schematic drawing of electric heating mould structure.

[0023] Figure 2 For Figure 1 The section view of A-A in middle;

[0024] Figure 3 The utility model discloses a second embodiment structure schematic drawing of electric heating mould structure.

[0025] Figure 4 The utility model discloses a third embodiment structure schematic drawing of electric heating mould structure.

[0026] Figure 5 For Figure 4 The section view of D-D in middle;

[0027] Figure 6 The utility model discloses a first embodiment structure schematic drawing of electric heating capsule mould.

[0028] Figure 7 The utility model discloses a second embodiment structure schematic drawing of electric heating capsule mould.

[0029] In the drawing:

[0030] 100 - first mould body;101 - wire slot;102 - heating installation hole;103 - heating installation slot;104 - vulcanization forming surface;105 - inner structure body;106 - outer sleeve body;107 - annular channel;108 - communication channel;

[0031] 200 - second mould body;

[0032] 300 - upper mould shell;301 - first wire slot;302 - first heating installation hole;303 - first heating installation slot;304 - second upper mould shell;305 - first upper mould shell;

[0033] 400 - lower mould shell;401 - second wire slot;402 - second heating installation hole;403 - second heating installation slot;404 - first lower mould shell;405 - second lower mould shell;

[0034] 500 - core mould;501 - third wire slot;502 - third heating installation hole;503 - wire outlet hole;504 - first core mould;505 - second core mould;506 - first inner structure body;507 - first annular channel;508 - first communication channel;509 - first outer sleeve body. DETAILED DESCRIPTION

[0035] In order to facilitate the person skilled in the art understanding, the utility model makes further explanation below in conjunction with the drawings.

[0036] On one hand, please refer toFigure 1 、 Figure 2 , the utility model provides a kind of embodiment of the electric heating mould structure, including first mould concrete 100 and second mould concrete 200, wherein, first mould concrete 100 and second mould concrete 200 butt joint and are detachably fixed connection by bolt, screw etc.Connection piece.The first mould concrete 100 has vulcanization forming surface 104, is part of vulcanization forming cavity, and is shaped for capsule when capsule vulcanization forms.It can be understood that capsule is annular similar cylinder structure, and vulcanization forming surface 104 can be the plane or curved surface that is concave to first mould concrete 100, or it can be partial or all of the outside surface of first mould concrete 100.If vulcanization forming surface 104 is capsule outside surface vulcanization shaping, vulcanization forming surface 104 is the plane or curved surface that is concave in first mould concrete 100, when vulcanization forming surface 104 is capsule inside surface vulcanization shaping, vulcanization forming surface 104 is the plane or curved surface of the outside of first mould concrete 100.In the following, for the convenience of explaining electric heating mould structure, the so-called "vulcanization forming surface 104's axial direction" or "vulcanization forming surface 104's circumferential direction" is based on its state in mould, "vulcanization forming surface 104's axial direction" is also the axial direction of capsule, "vulcanization forming surface 104's circumferential direction" is also the circumferential direction of capsule.

[0037] In order to heat vulcanization forming surface 104, control capsule vulcanization forming temperature, wire slot 101 is provided on the butt joint surface of first mould concrete 100 and second mould concrete 200 for placing the electric wire used for connecting each heating unit.Wire slot 101 can be only formed on first mould concrete 100, can also be only formed on second mould concrete 200, can also be formed on the corresponding position of first mould concrete 100 and second mould concrete 200 simultaneously and butt joint, and can be selected and arranged according to actual application conditions.The cross section of wire slot 101 is not limited to rectangle, and can also be circular or other arbitrary implementable shape.The number of wire slot 101 can also be arranged according to needs.The shape of wire slot 101 distributed on butt joint surface is arranged according to the shape of vulcanization forming surface 104, and exemplarily, vulcanization forming surface 104 is cylindrical surface, and wire slot 101 is annular, and surrounds the outside or inside of vulcanization forming surface 104.The distance between the butt joint surface of first mould concrete 100 and second mould concrete 200 and vulcanization forming surface 104 is controlled to be 10-45mm, to give consideration to the structural strength of first mould concrete 100 and heating, temperature control effect.

[0038] Heating installation cavity is provided in first mould concrete 100, and heating installation cavity is communicated with wire slot 101, and heating installation cavity extends in the axial direction of vulcanization forming surface 104 to cover vulcanization forming surface 104 as much as possible, and heating unit is installed in heating installation cavity to heat vulcanization forming surface 104.

[0039] As the first embodiment of the heating installation cavity, the heating installation cavity is composed of a plurality of heating installation holes 102, one end of the heating installation hole 102 is communicated with the wire slot 101, and the other end extends into the first mold body 100. The extension direction of the heating installation hole 102 can be parallel to the axial direction of the vulcanization forming surface 104, as shown in Figure 2 ; or can have a set angle, that is, the heating installation hole 102 extends obliquely relative to the axial direction of the vulcanization forming surface 104, and the set angle is selected according to actual needs. The heating installation hole 102 is a straight hole, which is convenient for installing the heating unit. A plurality of heating installation holes 102 are distributed in the circumferential direction of the vulcanization forming surface 104, that is, in the circumferential direction of the capsule, so that the temperature on the vulcanization forming surface 104 is controllable and has good uniformity. According to actual application needs, the heating installation hole 102 can also be arranged in the second mold body 200 to maintain the temperature of the vulcanization forming surface 104.

[0040] Preferably, the heating installation holes 102 are uniformly distributed in the entire circumferential direction of the vulcanization forming surface 104; in this way, the entire circumferential direction of the first mold body 100 or the second mold body 200 can be heated, and the heating effect is good, and the heating can be quickly warmed up.

[0041] According to the heating needs of the vulcanization forming surface 104, a plurality of heating installation holes 102 are arranged at equal distances from the vulcanization forming surface 104, and are distributed in one layer, as shown in Figure 1 ; or are arranged in multiple layers with different distances, as shown in Figure 3 .

[0042] As the second embodiment of the heating installation cavity, as shown in Figure 4 and Figure 5 , the heating installation cavity is composed of a plurality of annular channels 107 and a plurality of communication channels 108; at this time, in order to realize the processing of the annular channel 107 and the communication channel 108, the first mold body 100 is composed of an inner structure 105 and an outer sleeve 106; the outer sleeve 106 is in the shape of a cylinder and is sleeved on the outside of the inner structure 105; the annular channel 107 and the communication channel 108 are arranged on the abutting surface of the inner structure 105 and the outer sleeve 106. A plurality of annular channels 107 are distributed at intervals in the axial direction of the vulcanization forming surface 104, and the communication channel 108 extends in the axial direction and communicates with the annular channel 107.

[0043] Preferably, the annular channel 107 and the communication channel 108 are arranged on the outer side circumferential surface of the inner structure 105, which is convenient for processing and simplifies the processing technology.

[0044] Further, the abutting surface of the first mold body 100 and the second mold body 200 is further provided with a heating installation groove 103, which is in communication with the wire groove 101. The number of the heating installation groove 103 can be set according to the requirement; for example, the abutting surface of the first mold body 100 and the second mold body 200 is provided with three heating installation grooves 103, which are distributed in three regions of the abutting surface, and the heating temperature of the three regions can be controlled respectively. Each heating installation groove 103 comprises an arc groove arranged in sequence from inside to outside, and a connecting groove connecting the arc grooves; the covering area is wider, and the heating is more uniform.

[0045] The electric heating mold structure adopts a split structure, the heating installation groove 103 is arranged at the abutting surface of the first mold body 100 and the second mold body 200, a heating unit is installed in the heating installation groove 103, the heating and heat preservation of the axial end surface of the mold are realized; the heating installation cavity is arranged in the first mold body 100, the heating and heat preservation of the circumferential side surface of the mold are realized; the processing is convenient, and the installation is simple.

[0046] The heating unit is of the existing structure, which is not improved in the present application. For example, the heating unit can adopt a flexible electric heating wire, or an electric heating rod, an electric heating sheet, etc.; for the heating installation groove 103 and the annular channel 107 which are distributed in a curve, the electric heating wire is suitable to be applied therein; and for the heating installation hole 102 and other linear structures, the electric heating rod can be adopted.

[0047] An electric heating capsule mold comprises an upper mold shell 300, a lower mold shell 400, and a core mold 500, the upper mold shell 300 and the lower mold shell 400 surround the outside of the core mold 500, and the three cooperate to form a vulcanization forming cavity of a capsule; it can be understood that the inner side surface of the upper mold shell 300 and the lower mold shell 400 and the outer side surface of the core mold 500 are vulcanization forming surfaces. This is the prior art, which will not be described here. At least one of the upper mold shell 300, the lower mold shell 400, and the core mold 500 adopts the electric heating mold structure described above, so that the temperature of the mold is adjusted by electric heating, which is efficient, energy-saving, and emission-reducing.

[0048] Please refer to Figure 6 For the first embodiment of the electric heating capsule mold, the upper mold shell 300, the lower mold shell 400, and the core mold 500 all adopt the electric heating mold structure described above, so that the heating unit is provided on the outer side surface and the inner side surface of the vulcanization forming cavity, the capsule can be quickly heated, and the vulcanization is efficiently completed.

[0049] The upper die shell 300 comprises a first upper die shell 305 and a second upper die shell 304, the second upper die shell 304 is located on the upper side of the first upper die shell 305, and the two are detachably connected as a whole through connecting members such as bolts. The abutting surface of the first upper die shell 305 and the second upper die shell 304 is provided with a first wire slot 301 and a plurality of first heating installation slots 303, and the abutting surface of the first upper die shell 305 and the second upper die shell 304 is respectively machined with a groove, and after abutting, the two together form the first wire slot 301 and the first heating installation slot 303. A plurality of first heating installation holes 302 are arranged in the first upper die shell 305, the upper end of the first heating installation hole 302 is communicated with the first wire slot 301, and the lower end extends downward in the first upper die shell 305; preferably, the first heating installation hole 302 extends to the abutting surface of the first upper die shell 305 and the lower die shell 400.

[0050] The lower die shell 400 comprises a first lower die shell 404 and a second lower die shell 405, the first lower die shell 404 is located on the upper side of the second lower die shell 405, and the two are fixedly connected after abutting through connecting members such as bolts, and are detachable, facilitating equipment maintenance in the later period. The abutting surface of the first lower die shell 404 and the second lower die shell 405 is provided with a second wire slot 401 and a plurality of second heating installation slots 403. Specifically, the abutting surface of the first lower die shell 404 and the second lower die shell 405 is machined with a groove, and after the two are abutted, the grooves form the second wire slot 401 and the plurality of second heating installation slots 403. A plurality of second heating installation holes 402 are arranged in the first lower die shell 404, the lower end of the second heating installation hole 402 is communicated with the second wire slot 401, and the upper end extends upward in the first lower die shell 404, preferably, the second heating installation hole 402 extends to the abutting surface of the upper die shell 300.

[0051] The core die 500 comprises a first core die 504 and a second core die 505; the first core die 504 is located on the upper side of the second core die 505, and the two are fixedly connected through connecting members such as bolts, and are detachable. The first core die 504 is provided with a third wire slot 501 on the abutting surface of the second core die 505, and a third heating installation hole 502 is arranged in the first core die 504, the lower end of the third heating installation hole 502 is communicated with the third wire slot 501, and the upper end extends upward in the first core die 504. Since the core die 500 is located in the inner cavity surrounded by the upper die shell 300 and the lower die shell 400, a wire outlet hole 503 is arranged in the second core die 505, which is communicated with the third wire slot 501 and used for the wire to pass through.

[0052] Please refer to Figure 7, which is a second embodiment of the electric heating capsule mold, the upper mold shell 300, the lower mold shell 400, and the core mold 500 all adopt the above-mentioned electric heating mold structure; the difference from the first embodiment is that the first core mold 504 includes a first inner structure 506 and a first outer shell 509; the first outer shell 509 is sleeved on the outer side of the first inner structure 506, and a plurality of first annular channels 507 and a plurality of first connecting channels 508 are provided on the mating surface of the two, the plurality of first annular channels 507 are spaced apart in the axial direction, and the first connecting channel 508 extends axially and connects the first annular channel 507 with the third wire groove 501.

[0053] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An electrically heated mould structure characterised in that, The first mold part (100) and the second mold part (200) are detachably fixedly connected in abutment; The first mold part (100) has a vulcanization forming surface (104); The abutment surface of the first mold part (100) and the second mold part (200) is provided with a wire slot (101); the first mold part (100) is provided with a heating installation cavity, which is communicated with the wire slot (101) and extends in the axial direction of the vulcanization forming surface (104); a heating unit is installed in the heating installation cavity to heat the vulcanization forming surface (104).

2. An electric heating mold structure according to claim 1, wherein The heating installation cavity comprises a plurality of heating installation holes (102), and the plurality of heating installation holes (102) are distributed in the circumferential direction of the vulcanization forming surface (104); one end of the heating installation hole (102) is communicated with the wire slot (101), and the other end extends into the first mold part (100).

3. An electric heating mold structure according to claim 2, wherein The extension direction of the heating installation hole (102) is parallel to the axial direction of the vulcanization forming surface (104) or has a set included angle.

4. An electric heating mold structure according to claim 2, wherein The first mold part (100) is provided with one or more than one heating installation hole (102).

5. An electric heating mold structure according to claim 1, wherein The first mold part (100) comprises an inner structure (105) and an outer sleeve (106); the outer sleeve (106) is sleeved on the outer side of the inner structure (105); The heating installation cavity comprises a plurality of annular channels (107) and a plurality of communication channels (108); the annular channels (107) and the communication channels (108) are arranged on the abutment surface of the inner structure (105) and the outer sleeve (106); the plurality of annular channels (107) are distributed in the axial direction of the vulcanization forming surface (104) at intervals, and the communication channels (108) are communicated with the annular channels (107).

6. An electric heating mould structure according to claim 5, characterised in that The annular channels (107) and the communication channels (108) are arranged on the outer side circumferential surface of the inner structure (105).

7. An electric heating mold structure according to claim 1, wherein The abutment surface of the first mold part (100) and the second mold part (200) is further provided with a plurality of heating installation grooves (103), which are communicated with the wire slot (101); the heating installation grooves (103) are installed with a heating unit.

8. An electric heating mould structure according to claim 7, characterised in that The abutment surface of the first mold part (100) and the second mold part (200) is provided with three heating installation grooves (103).

9. An electric heating mold structure according to claim 1, wherein The heating unit is an electric heating wire or an electric heating rod.

10. An electrically heated capsule mold comprising an upper mold shell (300), a lower mold shell (400) and a core mold (500), the upper mold shell (300) and the lower mold shell (400) enclosing the outside of the core mold (500), the three cooperating to form a vulcanization forming cavity of a capsule; characterized in that, At least one of the upper mold shell (300), the lower mold shell (400), and the core mold (500) adopts the electric heating mold structure according to any one of claims 1-9.

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