CN216650030U - Ceramic heating core for heating special-shaped die - Google Patents
Ceramic heating core for heating special-shaped die Download PDFInfo
- Publication number
- CN216650030U CN216650030U CN202123435076.1U CN202123435076U CN216650030U CN 216650030 U CN216650030 U CN 216650030U CN 202123435076 U CN202123435076 U CN 202123435076U CN 216650030 U CN216650030 U CN 216650030U
- Authority
- CN
- China
- Prior art keywords
- heating
- circuit
- aluminum oxide
- electrode pad
- oxide ceramic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a ceramic heating core for heating a special-shaped die, which comprises a first aluminum oxide ceramic chip and a second aluminum oxide ceramic chip which are the same in shape, and a tungsten paste printing circuit arranged between the first aluminum oxide ceramic chip and the second aluminum oxide ceramic chip, wherein the tungsten paste printing circuit is respectively connected with a first electrode pad and a second electrode pad, and the second aluminum oxide ceramic chip is provided with two electrode holes respectively matched with the first electrode pad and the second electrode pad; the first aluminum oxide ceramic chip is composed of the two inferior arc parts and the rectangular part which have the same structure and are symmetrically arranged, the special-shaped heating piece which can be matched with a special-shaped mold is formed, the two first circuits are symmetrically arranged on the first aluminum oxide ceramic chip, heating is uniform, the heating effect is good, the heating area is further increased by the arranged second circuit, the heating efficiency is improved, the quality of finished products is guaranteed, and defective products of the finished products are reduced.
Description
Technical Field
The utility model belongs to the technical field of mold heating, and relates to a ceramic heating core for heating a special-shaped mold.
Background
The mold temperature has a great influence on the quality and productivity of the product, and the mold temperature and the fluctuation thereof have influence on the shrinkage rate, size, stability, deformation, stress cracking, surface quality and the like of the product. The temperature of the die is too low, the melt fluidity is poor, the product outline is not clear, the surface of the product is not glossy, and the defects are more. In particular, when a special-shaped mold is heated, a special heating body needs to be selected and matched, but the existing tubular or rod-shaped heating body cannot be perfectly matched with the special-shaped mold, so that the condition that the heating of the special-shaped mold is inconsistent occurs during heating, the quality of a finished product is seriously influenced, and in order to solve the problems, the utility model provides the ceramic heating core for heating the special-shaped mold.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides the ceramic heating core for heating the special-shaped die, which well solves the problem that the existing tubular or rod-shaped heating body cannot be perfectly matched with the special-shaped die, so that the special-shaped die is not uniformly heated.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: a ceramic heating core for heating a special-shaped die comprises a first aluminum oxide ceramic sheet and a second aluminum oxide ceramic sheet which have the same shape, and a tungsten paste printing circuit arranged between the first alumina ceramic piece and the second alumina ceramic piece, the tungsten paste printing circuit is respectively connected with a first electrode bonding pad and a second electrode bonding pad, the second aluminum oxide ceramic plate is provided with two electrode holes respectively matched with the first electrode bonding pad and the second electrode bonding pad, the first electrode bonding pad and the second electrode bonding pad are both connected with nickel wire leads, the tungsten paste printing circuit comprises two first circuits which are symmetrical to each other and have arc structures and a second circuit which forms a loop with the two first circuits respectively and has a snake-shaped structure, the first aluminum oxide ceramic plate comprises two minor arc parts which are symmetrical to each other and have the same shape and a rectangular part which is integrally formed between the two minor arc parts.
Further, two first circuit is symmetrical about the axis of first aluminium oxide potsherd, first circuit includes a plurality of arc circuits, adjacent two the head and the tail end interconnect of arc circuit, second circuit head and the tail both ends are connected with the most inboard arc circuit of two first circuits respectively, first electrode pad and second electrode pad are connected with the arc circuit in two first circuits outside respectively.
Further, each of the first circuits has 3 arc circuits.
Further, the second circuit is arranged on the left end face of the rectangular portion, the first electrode pad and the second electrode pad are arranged on the right end face of the rectangular portion, and the two first circuits are respectively arranged on the two inferior arc portions.
Furthermore, through holes with the same shape are formed in the first aluminum oxide ceramic piece and the second aluminum oxide ceramic piece.
Further, the diameter of the through hole is 6-6.2 mm.
Furthermore, the chord length of the inferior arc part is equal to the side length of the connection of the rectangular part, the chord length of the inferior arc part is 11.8-12mm, and the maximum distance between the outer edges of the two inferior arc parts is 13.8-14 mm.
Furthermore, the first aluminum oxide ceramic piece and the second aluminum oxide ceramic piece are connected into a whole through sintering, and the thickness of the sintered first aluminum oxide ceramic piece and the sintered second aluminum oxide ceramic piece is 1.2-1.4 mm.
Furthermore, a Teflon sleeve extending out of the electrode hole is fixed in each electrode hole, and the nickel wire is fixed in the Teflon sleeve.
Compared with the prior art, the utility model has the following beneficial effects: the first aluminum oxide ceramic chip is composed of the two inferior arc parts and the rectangular part which have the same structure and are symmetrically arranged, the special-shaped heating piece which can be matched with a special-shaped mold is formed, the two first circuits are symmetrically arranged on the first aluminum oxide ceramic chip, heating is uniform, the heating effect is good, the heating area is further increased by the arranged second circuit, the heating efficiency is improved, the quality of finished products is guaranteed, and defective products of the finished products are reduced.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic diagram of a tungsten paste printing circuit according to the present invention;
fig. 3 is a cross-sectional view of the present invention.
In the figure: the device comprises a first aluminum oxide ceramic piece (1), a second aluminum oxide ceramic piece (2), a tungsten paste printing circuit (3), a first circuit (31), a second circuit (32), a first electrode pad (4), a second electrode pad (5), a nickel wire lead (6), a through hole (7) and a Teflon sleeve (8).
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.
As shown in fig. 1 to 3, the technical solution adopted by the present invention is as follows: a ceramic heating core for heating a special-shaped die comprises a first aluminum oxide ceramic piece 1 and a second aluminum oxide ceramic piece 2 which are the same in shape, and a tungsten paste printing circuit 3 arranged between the first aluminum oxide ceramic piece 1 and the second aluminum oxide ceramic piece 2, wherein the tungsten paste printing circuit 3 is respectively connected with a first electrode pad 4 and a second electrode pad 5, two electrode holes matched with the first electrode pad 4 and the second electrode pad 5 are formed in the second aluminum oxide ceramic piece 2, the first electrode pad 4 and the second electrode pad 5 are both connected with a nickel wire 6, the tungsten paste printing circuit 3 comprises two first circuits 31 which are symmetrical to each other and have an arc structure, and second circuits 32 which respectively form a loop with the two first circuits 31 and have a snake-shaped structure, the first aluminum oxide ceramic piece 1 comprises two inferior arc parts which are symmetrical to each other and have the same shape, and a rectangular part which is integrally formed between the two inferior arc parts, the first aluminum oxide ceramic plate 1 and the second aluminum oxide ceramic plate 2 can be better matched with the special-shaped die.
In this embodiment, two first circuits 31 are symmetrical with respect to the axis of the first alumina ceramic wafer 1, each first circuit 31 includes a plurality of arc-shaped circuits, the head and tail ends of two adjacent arc-shaped circuits are connected to each other to form a series circuit, the radii of the plurality of arc-shaped circuits from the outer edge of the first alumina ceramic wafer 1 to the axis gradually decrease, the head and tail ends of the second circuit 32 are respectively connected to the innermost arc-shaped circuits of the two first circuits 31, the first electrode pad 4 and the second electrode pad 5 are respectively connected to the outermost arc-shaped circuits of the two first circuits 31, the first circuits 31 and the second circuit 32 form a loop, the first circuits 31 arranged opposite to each other ensure that the heating values are kept consistent, and the second circuit 32 further increases the heating area and improves the heating efficiency.
In this embodiment, each of the first circuits 31 includes 3 arc circuits.
In this embodiment, in order to make the arrangement of the tungsten paste printing circuit 3 on the first alumina ceramic plate 1 more reasonable, so as to make the second circuit 32 disposed on the left end surface of the rectangular portion, the first electrode pad 4 and the second electrode pad 5 disposed on the right end surface of the rectangular portion, and two first circuits 31 disposed on two inferior arc portions respectively, such an arrangement can make the first circuit 31 and the second circuit 32 make full use of the surface of the first alumina ceramic plate 1, so that the first circuit 31 and the second circuit 32 have high heating efficiency and good heating effect.
The through holes 7 with the same shape are formed in the first aluminum oxide ceramic plate 1 and the second aluminum oxide ceramic plate 2, the through holes 7 are avoided in the first circuit 31 and the second circuit 32, the through holes 7 are used for being matched with a special-shaped die and are convenient to fix, and the diameter of each through hole 7 is 6-6.2 mm.
In the embodiment, the chord length of the inferior arc part is equal to the side length of the connection of the rectangular part, the chord length of the inferior arc part is 11.8-12mm, and the maximum distance between the outer edges of the two inferior arc parts is 13.8-14 mm.
In this embodiment, the first alumina ceramic sheet 1 and the second alumina ceramic sheet 2 are fired and molded in a reducing atmosphere at 1650 ℃, and the thickness of the sintered first alumina ceramic sheet 11 and the sintered second alumina ceramic sheet 2 is 1.2-1.4 mm.
In this embodiment, every all be fixed with the teflon sleeve pipe 8 that stretches out outside the electrode hole through red point is glued in the electrode hole, nickel silk wire 6 is fixed in teflon sleeve pipe 8, teflon sleeve pipe 8 has high temperature resistant, corrosion-resistant, wear-resisting, the effect that does not electrically conduct, and teflon sleeve pipe 8 can protect nickel silk wire 6, avoids nickel silk wire 6 to be broken by the drawing.
In the processing of the embodiment, a plurality of tungsten paste printing circuits 3 are uniformly printed on a first aluminum oxide ceramic plate 1 with a larger area, a first electrode pad 4 and a second electrode pad 5 corresponding to each tungsten paste printing circuit 3 are respectively arranged, electrode holes corresponding to the first electrode pad 4 and the second electrode pad 5 are respectively punched on a second aluminum oxide ceramic plate 2 with a larger area, then the first aluminum oxide ceramic plate 1 and the second aluminum oxide ceramic plate 2 are fired and formed in a reducing atmosphere at 1650 ℃, then each tungsten paste printing circuit 3 is uniformly punched to form a single piece, each single piece is punched to form a special-shaped single heating piece with the maximum outer diameter of 13.8-14mm, the minimum outer diameter of 11.8-12mm and the inner diameter of 6-6.2mm by a punching device according to the existing actual requirements, each nickel wire 6 is respectively welded on the first electrode pad 4 and the second electrode pad 5, and finally, the nickel wire 6 is penetrated into the Teflon sleeve 8, and the Teflon sleeve 8 is bonded at each electrode hole through red glue.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (9)
1. The utility model provides a ceramic heating core is used in dysmorphism mould heating, includes the first alumina ceramic wafer and the second alumina ceramic wafer that the shape is the same to and the tungsten thick liquid printing circuit of setting between first alumina ceramic wafer and second alumina ceramic wafer, the tungsten thick liquid printing circuit is connected with first electrode pad and second electrode pad respectively, set up two respectively on the second alumina ceramic wafer with first electrode pad and second electrode pad matched with electrode hole, first electrode pad and second electrode pad all are connected with nickel wire, its characterized in that: the tungsten paste printing circuit comprises two first circuits which are symmetrical to each other and have arc structures and a second circuit which forms a loop with the two first circuits respectively and has a snake-shaped structure, and the first aluminum oxide ceramic wafer comprises two inferior arc parts which are symmetrical to each other and have the same shape and a rectangular part which is integrally formed between the two inferior arc parts.
2. The ceramic heating core for heating a profile die according to claim 1, wherein: two the axis symmetry about the first alumina ceramic wafer of first circuit, first circuit includes a plurality of arc circuits, adjacent two the head and the tail end interconnect of arc circuit, second circuit head and the tail both ends respectively with two first circuit innermost's arc circuit connection, first electrode pad and second electrode pad respectively with two first circuit outermost arc circuit connection.
3. The ceramic heating core for heating a profile die according to claim 2, wherein: and 3 arc-shaped circuits are arranged in each first circuit.
4. The ceramic heating core for heating a profile die according to claim 1, wherein: the second circuit is arranged on the left end face of the rectangular portion, the first electrode pad and the second electrode pad are arranged on the right end face of the rectangular portion, and the two first circuits are arranged on the two inferior arc portions respectively.
5. The ceramic heating core for heating a profile die according to claim 1, wherein: through holes with the same shape are formed in the first aluminum oxide ceramic piece and the second aluminum oxide ceramic piece.
6. The ceramic heating core for heating a profile die according to claim 5, wherein: the diameter of the through hole is 6-6.2 mm.
7. The ceramic heating core for heating a profile die according to claim 1, wherein: the chord length of the inferior arc part is equal to the side length of the connection of the rectangular part, the chord length of the inferior arc part is 11.8-12mm, and the maximum distance between the outer edges of the two inferior arc parts is 13.8-14 mm.
8. The ceramic heating core for heating a profile die according to claim 1, wherein: the first aluminum oxide ceramic sheet and the second aluminum oxide ceramic sheet are connected into a whole through sintering, and the thickness of the sintered first aluminum oxide ceramic sheet and the sintered second aluminum oxide ceramic sheet is 1.2-1.4 mm.
9. The ceramic heating core for heating a profile die according to claim 1, wherein: and a Teflon sleeve extending out of the electrode hole is fixed in each electrode hole, and the nickel wire is fixed in the Teflon sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123435076.1U CN216650030U (en) | 2021-12-30 | 2021-12-30 | Ceramic heating core for heating special-shaped die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123435076.1U CN216650030U (en) | 2021-12-30 | 2021-12-30 | Ceramic heating core for heating special-shaped die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216650030U true CN216650030U (en) | 2022-05-31 |
Family
ID=81724618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123435076.1U Active CN216650030U (en) | 2021-12-30 | 2021-12-30 | Ceramic heating core for heating special-shaped die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216650030U (en) |
-
2021
- 2021-12-30 CN CN202123435076.1U patent/CN216650030U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11129241B2 (en) | Ceramic heating element with multiple temperature zones | |
| CN216650030U (en) | Ceramic heating core for heating special-shaped die | |
| CN101059463B (en) | Gas sensor chip, sensor and sensor chip production method | |
| CN210381340U (en) | Ceramic heating plate for mold | |
| CN210469767U (en) | Plate-type ceramic heater | |
| CN208889494U (en) | A kind of heat dissipation type mould group capacitor | |
| CN212434579U (en) | Die assembly for soft solder loading | |
| CN208507343U (en) | A kind of antisurge type thick film Chip-R | |
| CN215429972U (en) | Electronic hot melt adhesive ceramic heating core | |
| CN212907419U (en) | Lead structure of organic film capacitor | |
| CN211400895U (en) | Corrosion-resistant heat conduction pipe | |
| CN109300689B (en) | Molded surface-mounted ceramic dielectric capacitor with anti-skid groove and preparation method thereof | |
| CN210092161U (en) | Anti-falling lithium ion battery structure | |
| CN201984912U (en) | Mid-size plane power resistor | |
| CN215127469U (en) | Portable electron ceramic heating core for milk warmer | |
| CN208300045U (en) | A kind of precision die arch heater | |
| CN217426466U (en) | Heap pottery PTC thermistor | |
| CN203746786U (en) | Pulse travelling wave tube cathode structure | |
| CN220673958U (en) | Ceramic heating core for tendon pulling massager | |
| CN219740626U (en) | Double-resistance ceramic heating core | |
| CN209641493U (en) | A kind of lamination sheet type high current magnetic bead | |
| CN205985163U (en) | Coupling assembling of battery tab and apron | |
| CN217823699U (en) | Corona machine ceramic discharge electrode | |
| CN220716420U (en) | Heating film and heating assembly | |
| CN216698098U (en) | Busbar for capacitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |