CN208175014U - A kind of metal embedded heater - Google Patents

Abstract

The utility model discloses a kind of metal embedded heaters, including metal sleeve, heater strip and temp.-sensing wire, wiring groove is provided on the outer surface of metal sleeve, wiring groove includes the linkage section of the circumferentially spaced vertical section and the adjacent vertical section of connection along the metal sleeve, the length of vertical section is all larger than the length of the linkage section, the side of wiring groove is additionally provided with temperature-sensitive wire casing, heater strip is in wiring groove, for temp.-sensing wire in temperature-sensitive wire casing, heater strip and temp.-sensing wire form embedded fixed structure with metal sleeve.After adopting the above scheme, the contact area for increasing heater strip and metal sleeve only needs a heater strip that can be covered with surface and the homogeneous heating of metal copper sheathing simultaneously, improves heating efficiency, efficiently reduces the winding volume of heater strip；Heater strip is independently arranged with temp.-sensing wire, and thermometric is more acurrate, and more convenient, safety, saves client cost when installing and repairing.

Description

A kind of metal embedded heater

Technical field

The utility model relates to a kind of metal embedded heaters.

Background technique

Currently, the injection molding hot mouth of existing injection mold is generally all matched to prevent plastic cement melt from solidifying in injection molding hot mouth Equipped with corresponding heating device, wherein based on metal heater and spring fever circle, since plastic material is to the sensitivity of temperature Property it is very high, if heating effect difference or heating are uneven, injection moulding plastic part can be made to become defective products, and then plastic cement can not be injected simultaneously It influences normal production, and wants whole because heating or temp.-sensing wire break down and change when previous common flat bar filler rod, maintenance is inconvenient.

Utility model content

The utility model provides a kind of metal embedded heater, can efficiently and rapidly heat to injection molding hot mouth Processing, homogeneous heating, metal embedded heater easy to maintenance.

The above-mentioned technical purpose of the utility model technical scheme is that：A kind of metal damascene adds Hot device, wherein including metal sleeve, heater strip and temp.-sensing wire, the metal sleeve includes the cloth for placing the heater strip Wire casing and temperature-sensitive wire casing for placing the temp.-sensing wire, the wiring groove include vertical section and adjacent described perpendicular for connecting To the linkage section of section, the vertical section is the vertical groove along the circumferentially-spaced arrangement in outer surface of the metal sleeve.

The metal sleeve can be hollow cylindrical straight tube, and the length of the vertical section is all larger than the linkage section Length, the heater strip form embedded fixed structure in the wiring groove, and the temp.-sensing wire is embedded at the wiring Embedded fixed structure is formed in slot.

Preferably, the linkage section is the arc for being staggered and connecting the end of the adjacent vertical section above and below The spaced vertical section is connected into unidirectionally coherent groove by groove, the linkage section.

The vertical section is alternatively arranged in the metal sleeve surface perimeter, in order to better understand the company of the linkage section Connect mode, can to the vertical section carry out label, such as the first vertical section, the second vertical section ... ..., vertical section have head end and Tail end, the linkage section can be understood as being sequentially connected the head end of the first vertical section and the second vertical section, the second vertical section and The head end ... of the tail ends of three vertical sections, third vertical section and the 4th vertical section, by this connection type, the vertical section and The linkage section forms the groove unidirectionally to link up, and shape is similar to multiple U-tubes.

Preferably, the temperature-sensitive wire casing is from the middle part of the line of the adjacent vertical section to far from described in corresponding The vertical bar groove that linkage section side extends.

The corresponding linkage section can be understood as connecting the company of the vertical section of temperature-sensitive wire casing two sides Section is connect, the temperature-sensitive wire casing, to extension at " opening " of the vertical section of two sides, can be used to from the linkage section Place temp.-sensing wire.

Preferably, further include end extension, the end extension for from the end of the temperature-sensitive wire casing, be located at institute The end for stating the vertical section of wiring groove both side ends extends respectively to the same side outer end face edge of the metal sleeve Groove.

The end extension is exactly the end and the sense from two sections of vertical sections of the most side of the wiring groove The groove that end of the warm wire casing far from the linkage section extends to the same side outer end edges of the metal sleeve, can make institute The end direction for stating two sections of vertical sections of the most side of wiring groove is consistent with the temperature-sensitive wire casing direction, can make in this way The end extending part is in the same side.

Preferably, further including connection component, the connection component includes jointing and electric power connection line, the connection Connector is used to connect the both ends of the heater strip, and the jointing is cylinder type hollow cylinder.

Preferably, the connection component further includes protective case, fixing piece, the protective case is to be located on the power supply to connect Cylinder type hollow cylinder outside wiring, the fixing piece is for connecting the jointing and the protective case.

Preferably, further include the anti-delinking part for being located at the heater strip stability line in the wiring groove, it is described anti- De- portion includes face of sliding and resistance support, and the face of sliding extends outward for the slot side of the vertical wiring groove and moves closer to institute The arc convex of the groove bottom of wiring groove is stated, it is described to hinder support to slide the end in face described in the starting point for sliding face Close to the plane to extend, the resistance support is parallel with the groove bottom of the wiring groove for the slot side of the wiring groove at place.

When the heater strip is in the wiring groove, it may cause to fall off due to external force, it can be by described anti- De- portion avoids such case, first when the heater strip to be installed into the wiring groove, can be along the cunning It is squeezed into the wiring groove below, when the heater strip is located in slot, the resistance support can stop the heater strip from slot In be vertically detached from, prevent when the connection component is pullled, the heater strip pullled together and cause to fall off shows As occurring；Particularly, as needed, the anti-delinking part can be arranged multiple along the extending direction interval of the wiring groove.

The utility model has the advantage that：There is the linkage section of vertical section and the adjacent vertical section of connection by being arranged Wiring groove, only need a heater strip that can be covered with metal copper sheathing while increasing the contact area of heater strip and metal sleeve Surface, efficiently reduce the winding volume of heater strip while improving heating efficiency, heater be made It is small；Vertical section interval is arranged and length is greater than linkage section, so that metal heater heating surface (area) (HS is big and uniform；Temperature-sensitive wire casing is set Meter, so that temp.-sensing wire and metallic copper set contact closely, thermometric is more acurrate and heater strip is independently arranged with temp.-sensing wire, when maintenance It is more convenient, save cost；The design of connection component, so that the electrical connection of metal embedded heater is more stable, protecting effect It is good, and installation, maintenance is safer.

Detailed description of the invention

Fig. 1 is the perspective view of the utility model；

Fig. 2 is the expanded view of the utility model.

In figure：1, metal sleeve, 11, wiring groove, 111, vertical section, 112, linkage section, 12, temperature-sensitive wire casing, 2, heater strip, 3, temp.-sensing wire, 4, connection component, 41, jointing, 42, electric power connection line, 43, protective case, 44, fixing piece.

Specific embodiment

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

As shown in Figure 1 to Figure 2, the utility model includes metal sleeve 1, heater strip 2, temp.-sensing wire 3, metal sleeve 1 it is outer Be provided with wiring groove 11 on surface, heater strip 2 forms embedded fixed structure in wiring groove 11, increase heater strip 2 with The contact area of metal sleeve 1, heating efficiency is high, efficiently reduces the winding volume of heater strip 2, heater is done Very little；The groove depth of wiring groove 11 is 1.8mm, and groove width is equal with diameter value to be arranged to 2mm, so that heater strip 2 and metal sleeve Knot and secured, stability height.

Wiring groove 11 includes the circumferentially spaced vertical section 111 and the adjacent vertical section 111 of connection along metal sleeve 1 Linkage section 112 have while improving heating efficiency so that only needing a heater strip 2 that can be covered with the surface of metal copper sheathing Reduce to effect the winding volume of heater strip 2；Vertical section 111 extends from the outer surface bottom of metal sleeve 1 simultaneously To the top close to the outer surface of metal sleeve 1, and the length of vertical section 111 is all larger than the length of linkage section 112, heater Whole is uniformly heated, and camber can be set in linkage section 112, more specifically, it is in multiple companies that wiring groove 11 is whole Continuous U-shaped laid out in parallel setting, the wiring of heater strip 2 is more reasonable, and work safer, longer life expectancy,.

Temperature-sensitive wire casing 12 is located at the side of wiring groove 11, is in particular positioned at the gap that the wiring groove 11 of U-shaped is formed In, and it is axial to setting along the wiring groove of U-shaped 11, therefore the measurement end of temp.-sensing wire 3 can be according to the requirement for actually needing measurement point What is be arranged is more flexible, while the groove depth of temperature-sensitive wire casing 12 is equal with the diameter of temp.-sensing wire 3 with groove width, and temp.-sensing wire 3 is embedded at In temperature-sensitive wire casing 12, the temperature of real-time detection metal sleeve 1, and embedded fixed structure is formed, temp.-sensing wire 3 and temperature-sensitive wire casing 12 are tightly combined, and thermometric is more accurate.

The both ends of temperature-sensitive wire casing 12 and wiring groove 11 are connected with the same end of metal sleeve 1 outside, so that heating Silk 2 and temp.-sensing wire 3 form, are easier for installation.

Heater further includes connection component 4, and connection component 4 includes jointing 41, and the both ends of heater strip 2 are respectively from wiring The vertical section 111 at 11 both ends of slot extends to outside metal sleeve 1, and respectively with two electric power connection lines 42 in phase in jointing 41 Electrical connection is realized in connection, so that heating outlet becomes single cold end, 2 volume of heater strip is more compact, is very beneficial to save empty Between, while heater strip 2 also becomes to be not easy bending, insulating layer is not easy to be crushed, and the junction of the two is made to avoid exposing In the external world, fine isolation function is played, heater work is more stable.

Connection component 4 further includes protective case 43 and fixing piece 44, and protective case 43 is set in outside electric power connection line 42, and is led to It crosses fixing piece 44 to be fixed on jointing 41, further strengthens insulation effect, maintenance and installation is safer.Jointing 41, Connection type between protective case 43 and fixing piece 44 can be threaded connection, i.e., is arranged on jointing 41 and protective case 43 Internal screw thread is arranged in 44 inner surface of fixing piece in external screw thread.

It further include the anti-delinking part for being located at heater strip stability line in wiring groove, anti-delinking part includes face of sliding and resistance support The arc convex that the groove bottom of wiring groove is extended outward and moved closer in the slot side that face is vertical wiring troughs, resistance support are slided in face Face be from slide wiring groove of the end in face where the starting point for sliding face close extensions in slot side plane, hinder support and The groove bottom of wiring groove is parallel.It when heater strip is in wiring groove, may cause to fall off due to external force, anticreep can be relied on Portion avoids such case, first when heater strip to be installed into wiring groove, can squeeze into wiring groove along the face of sliding Interior, when heater strip is located in slot, resistance support can stop heater strip to be vertically detached from from slot, prevent from being pullled in connection component When, heater strip is pullled together and causes the phenomenon that falling off.

In conclusion the utility model homogeneous heating is stable, heating effect is efficient, occupy little space, installation and maintenance, conveniently And it is safer, long service life, thermometric is accurate, save cost the advantages that, be suitable for promote.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (7)

1. a kind of metal embedded heater, which is characterized in that including metal sleeve, heater strip and temp.-sensing wire, the metallic sheath Cylinder includes the wiring groove for placing the heater strip and the temperature-sensitive wire casing for placing the temp.-sensing wire, and the wiring groove includes Vertical section and linkage section for connecting the adjacent vertical section, the vertical section are the outer surface along the metal sleeve The vertical groove of circumferentially-spaced arrangement.

2. a kind of metal embedded heater according to claim 1, it is characterised in that：The linkage section is upper and lower hands over Mistake arranges and connects the arc groove of the end of the adjacent vertical section, and the linkage section will be spaced described vertical Section connects into unidirectionally coherent groove.

3. a kind of metal embedded heater according to claim 2, it is characterised in that：The temperature-sensitive wire casing is from adjacent The vertical section line in the middle part of to the vertical bar groove extended far from the corresponding linkage section side.

4. a kind of metal embedded heater according to claim 3, it is characterised in that：It further include end extension, institute State the end part that end extension is the end from the temperature-sensitive wire casing, the vertical section positioned at the wiring groove both side ends The groove at the same side outer end face edge of the metal sleeve is not extended to.

5. a kind of metal embedded heater according to claim 1, it is characterised in that：It further include connection component, it is described Connection component includes jointing and electric power connection line, and the jointing is used to connect the both ends of the heater strip, the company Connector is cylinder type hollow cylinder.

6. a kind of metal embedded heater according to claim 5, it is characterised in that：The connection component further includes protecting Sheath, fixing piece, the protective case are the cylinder type hollow cylinder being located on outside the electric power connection line, and the fixing piece is for connecting Connect the jointing and the protective case.

7. a kind of metal embedded heater according to claim 1, which is characterized in that further include for by the heating Silk stability line is located at the anti-delinking part in the wiring groove, and the anti-delinking part includes face of sliding and resistance support, and the face of sliding is vertical Extend and move closer to the arc convex of the groove bottom of the wiring groove, the resistance support outward in the slot side of the straight wiring groove For slided described in the end in face to the slot side of the wiring groove slided where the starting point in face it is close extend put down Face, the resistance support are parallel with the groove bottom of the wiring groove.