CN208227344U - heating device for coating machine - Google Patents

Abstract

The utility model is implemented with the following technical solutions: a kind of heating device for coating machine, including heating tube, the heating tube is equipped with three, the heating tube includes PTC heater element, electrode plate and metal tube, the electrode plate is equipped with two pieces, it is separately positioned on the opposite sides surface of PTC heater element and is contacted with PTC heater element, the metal pipe sleeve is located at outside electrode plate, insulating layer is provided between metal tube and electrode plate, the electrode plate is equipped with conducting wire, conducting wire is led to outside metal tube, cooling fin is equipped on the outer surface of heating tube, mounting base is equipped with positioned at one end of conducting wire in the both ends of three heating tubes, the other end is equipped with fixing seat, the conducting wire is led to outside mounting base through the outlet hole in mounting base.Compared with prior art, highly-safe；The heating device with three heating tubes for a mould group is used, so as to carry out the setting of heating device with three multiple as needed, is used in such conveniently accessible industrial three-phase electricity of setting.

Description

Heating device for coating machine

Technical field

The utility model relates to a kind of heating device, especially a kind of coating machine for the positive/negative electrode of lithium battery adds Thermal.

Background technique

Recently as flourishing for lithium battery industry, market for coating machine demand growth quickly, but early stage Coating machine uses traditional electrothermal tube, and that there are electric conversion rates is low, local temperature excessively high the problems such as there are security risks.Institute With the electric heater unit that be badly in need of a kind of thermal conversion efficiency higher, safer.

Utility model content

In order to overcome the deficiencies of the prior art, the utility model provides a kind of heating device for coating machine, to improve Thermal conversion efficiency, and it is highly-safe.

To solve the above problems, the utility model is implemented with the following technical solutions: a kind of heating dress for coating machine It sets, including heating tube, the heating tube is equipped with three, and the heating tube includes PTC heater element, electrode plate and metal tube, The electrode plate is equipped with two pieces, is separately positioned on the opposite sides surface of PTC heater element and contacts with PTC heater element, The metal pipe sleeve is located at outside electrode plate, and insulating layer is provided between metal tube and electrode plate, and the electrode plate is equipped with and leads Line, conducting wire are led to outside metal tube, and cooling fin is equipped on the outer surface of heating tube, are located in the both ends of three heating tubes and are led One end of line is equipped with mounting base, and the other end is equipped with fixing seat, and the conducting wire is led to outside mounting base through the outlet hole in mounting base.

Further, it is equipped with cavity in the mounting base, is filled with sealed silicone in the cavity.

Further, mounting base one end opposite with heating tube is equipped with for fixing heating tube and cooling fin First groove.

Further, the mounting base is equipped with flange.

Further, the flange side opposite with heating tube is equipped with sealing ring.

Further, the cooling fin is corrugated.

Further, sealant is filled in the both ends pore of the metal tube.

Further, the insulating layer includes at least one layer of Kapton.

Further, the insulating layer further includes at least one layer of dielectric ceramic layer.

Further, the cross sectional shape of the heating tube is rectangle, and cooling fin is separately positioned on the opposite sides of heating tube On surface, at least cooling fin of side is located at ipsilateral cooling fin with adjacent heating tube and contacts in each heating tube.

The utility model compared with prior art, uses PTC heater element for pyrotoxin, highly-safe, PTC fever member Part has the characteristic of surface constant temperature, even if PTC heating tube surface temperature can still maintain to stablize relatively low under dry-fire condition Temperature compares, traditional electrothermal tube constant power output with traditional electrothermal tube, and electrothermal tube surface temperature is uncontrollable, and safety is poor； Do not shine when another PTC heating element generating heat, not oxygen consumption, electric conversion rate is greater than 99%, and heating tube two sides be equipped with cooling fin into One step guarantees heat effective use, so that heating device compares traditional electrothermal tube energy consumption and reduces by 15%；The utility model use with Three heating tubes are the heating device of a mould group, so as to which the setting of heating device is carried out with three multiple as needed, this It is used in the conveniently accessible industrial three-phase electricity of the setting of sample.

Detailed description of the invention

Fig. 1 is the external structure schematic diagram of the utility model.

Fig. 2 is the structural schematic diagram of the heating tube of the utility model.

Fig. 3-1 is the first structural schematic diagram of the utility model insulating layer.

Fig. 3-2 is second of structural schematic diagram of the utility model insulating layer.

Fig. 4 is the structural schematic diagram one of the utility model mounting base.

Fig. 5 is the structural schematic diagram two of the utility model mounting base.

Fig. 6 is the structural schematic diagram of the utility model fixing seat.

Fig. 7-1 is the schematic diagram that the utility model heating device is mounted on coating machine.

Fig. 7-2 is the specific scheme of installation of the utility model heating device.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawings and examples.

As shown in Figure 1 and Figure 2, a kind of heating device for coating machine of the utility model, including heating tube 1, this reality In novel, the heating device for coating machine is one group with three heating tubes 1 and is configured, and heating tube 1 is strip, heating tube 1 includes PTC heater element 4, electrode plate 5 and metal tube 8, and the PTC heater element 4 is sheet, and PTC heater element 4 is arranged Have multiple, the length direction along metal tube 8 successively arranges, and the electrode plate 5 is equipped with two pieces, is separately positioned on PTC heater element 4 Opposite sides surface and contacted with PTC heater element 4, the metal tube 8 is set in outside electrode plate 5, so that PTC be sent out Thermal element 4 and electrode plate 5 are packaged in metal tube 8, and insulating layer 7, the electricity are provided between metal tube 8 and electrode plate 5 Pole plate 5 is equipped with conducting wire 6, and conducting wire 6 is led to outside metal tube 8, and conducting wire 6 is the extraction open at one end from metal tube 8, the metal Pipe 8 is aluminum pipe, and cooling fin 9 is equipped on the outer surface of heating tube 1, and one end of conducting wire 6 is located in the both ends of three heating tubes 1 Equipped with mounting base 2, the other end is equipped with fixing seat 3, and the conducting wire 6 is led to outside mounting base 2 through the outlet hole 15 in mounting base 2.

The rated operational voltage of each heating tube 1 is 220V or 380V in the utility model, that is to say, that the volume of heating tube 1 Fixed working voltage can be designed as the line voltage (380V) between the two-phase of industrial three-phase alternating current, also can be any phase in Phase voltage (three-phase four-wire system, 220V) between line, the product access industrial that it is 220V by voltage rating that the design of the latter, which is convenient for, Three-phase electricity, and keep each phase current in a basic balance.

As shown in Figure 1, the cooling fin 9 is corrugated；Cooling fin 9 is separately positioned on the opposite sides surface of heating tube 1 On, at least cooling fin 9 of side is located at ipsilateral cooling fin 9 with adjacent heating tube 1 and contacts in each heating tube 1, has Body, the two sides cooling fin 9 that intermediate heating tube 1 is arranged in connects with the ipsilateral cooling fin 9 that is located at of adjacent heating tube 1 respectively Touching；It is additionally provided on cooling fin 9 in the cooling fin 9 of every 1 two sides of heating tube far from 1 side of heating tube along 1 length of heating tube The connection sheet 91 of direction setting.

As shown in Fig. 2, sealant 26 is filled in the both ends pore of metal tube 8, thus by the two ends of metal tube 8 It is sealed.

In the present invention, in the assembly of heating tube 1, electrode plate 5 is first connected to one with the mode of crimping with conducting wire 6 It rises, then by PTC heater element 4 and the high temperature resistant silicon glue sticking of electrode plate 5, PTC generates heat in 5 external application insulating layer 7 of electrode plate Element 4 and electrode plate 5 wrap up, and are penetrated in metal tube 8 together, will put on the metal of PTC heater element 4, electrode plate 5, insulating layer 7 Pipe 8 is pressed with hydraulic press, and forming it into section is rectangle, and the both side surface of the metal tube 8 after pressing is solid by high temperature Change glue to glue cooling fin 9 and metal tube 8, the both ends of metal tube 8 are sealed with sealant again after the completion of bonding.

It as shown in figure 3-1, is the structure of the first insulating layer 7 of the utility model, the insulating layer 7 includes at least one layer Kapton 27 is preferably arranged one layer.

It as shown in figure 3-2, is the structure of second of insulating layer 7 of the utility model, the insulating layer 7 includes at least one layer Kapton 27 and at least one layer of dielectric ceramic layer 28, preferably using a strata imide membrane 27 and one layer of insulation pottery Enamel coating 28, the dielectric ceramic layer 28 are arranged between Kapton 27 and electrode plate 5.

The surface of PTC heater element 4 is coated with metal electrode coating, for contacting conducting with electrode plate.

As shown in figure 4, being equipped with cavity 13 in the mounting base 2, sealed silicone is filled in the cavity 13, for preventing The leakage of coating machine internal gas；Specifically, the other end opposite with heating tube 1 in mounting base 2 be equipped with opening 21, opening 21 with Cavity 13 is connected to, if it can be seen from the figure that cavity 13 can be that the small cavity being divided into is constituted；End is provided in opening 21 Lid 14, end cap 14 are threadedly coupled through the first screw hole 16 with mounting base 2 by screw, so that opening 21 be closed, outlet hole 1 is set In on end cap 14.

As shown in Figure 1 and Figure 4, in mounting base 2 be equipped with flange 22, specifically, flange 22 be arranged in mounting base 2 with On the opposite end margin of heating tube 1, mounting hole 12 is provided on flange 22, the setting of flange 22 can adopt heating device It is fixed in the heating system of coating machine with the mode of insertion installation, i.e. guarantee structural reliability, and is being heated convenient for heater Installation, disassembly in system, while also acting the insulating effect in heating tube 1 and coating machine between circulation air path.

As shown in figure 5, the one end opposite with heating tube 1 of mounting base 2 is equipped with for fixing heating tube 1 and cooling fin 9 The first groove 11, the first groove 11 be adapted with the cross sectional shape of heating tube 1 and cooling fin 9.

As shown in figure 4, being equipped with the first extension 17 on the end margin opposite with heating tube 1 of mounting base 2, first extends There are two portion 17 is set, it is symmetrically arranged at the end margin opposite with heating tube 1 of mounting base 2；It is set on the first extension 17 There is the second screw hole 18, correspondingly, corresponding with the second screw hole 18 is provided in the connection sheet 91 of outermost two sides Three screw hole (not shown)s, mounting base 2 are threadedly coupled by screw with the second screw hole 18 and third screw hole, are realized Heating tube 1 is connected and fixed with mounting base 2, and the first extension 17 can play the fixation reinforced to heating tube 1, and not influence Ventilation quantity and heating power.

As shown in Figure 1, the flange 22 side opposite with heating tube 1 is equipped with sealing ring 23, to reach good Airtight effect.

As shown in fig. 6, the one end opposite with heating tube 1 of fixing seat 3 is equipped with the second groove 19, the second groove 19 is also used for Fixed heating tube 1 and cooling fin 9；It is equipped with the second extension 20 on the one end opposite with heating tube 1 of fixing seat 3, described the There are two two extensions 20 are set, it is symmetrically arranged at the end margin opposite with heating tube 1 of fixing seat 3；In the second extension 20 are equipped with the 4th screw hole 21, correspondingly, are provided in the connection sheet 91 of outermost two sides opposite with the 4th screw hole 21 The 5th screw hole (not shown) answered, fixing seat 3 are connected by screw and the 4th screw hole 21 and the 5th screw hole screw thread It connects, realization heating tube 1 is connected and fixed with fixing seat 3.

As shown in Figure 1, two conducting wires 6 in each heating tube 1 are arranged along the width direction of heating tube 1, i.e., such as institute in figure That shows is setting up and down.

As shown in Fig. 7-1 and Fig. 7-2,100 be to be located at interior follow in coating machine for lithium battery positive and negative electrode coating machine in figure The stainless steel mounting base 400 for installing heating device 300 is provided at the position in ring air duct 200, in stainless steel mounting base Multiple insertion holes being inserted into for supplying/heating system 300 are provided on 400, heating device 300 is plugged in by way of insertion In stainless steel mounting base 400；The length direction of heating device 300 is vertical with the wind direction of interior circulation air path 200.

The quantity of heating device 300 is three to ten, and the arrangement of heating device can be one to three layer, stainless steel installation in figure 300 quantity of heating device installed in seat 400 is eight, two layers of the number of plies.

The utility model is by realizing modularization, so as to basis using three heating tubes as one group of heating device It needs to carry out the setting of heating device with three multiple, is used in such conveniently accessible industrial three-phase electricity of setting；Pass through flange Formula mounting means realizes the easy installation of heating device, not only increases thermal conversion efficiency, and highly-safe.

Claims (10)

1. a kind of heating device for coating machine, including heating tube (1), it is characterised in that: the heating tube (1) is equipped with three Root, the heating tube (1) include PTC heater element (4), electrode plate (5) and metal tube (8), and the electrode plate (5) is equipped with two Block is separately positioned on the opposite sides surface of PTC heater element (4) and contacts with PTC heater element (4), the metal tube (8) it is set in electrode plate (5) outside, is provided between metal tube (8) and electrode plate (5) insulating layer (7), the electrode plate (5) It being equipped with conducting wire (6), conducting wire (6) leads to metal tube (8) outside, cooling fin (9) are equipped on the outer surface of heating tube (1), One end in the both ends of three heating tubes (1) positioned at conducting wire (6) is equipped with mounting base (2), and the other end is equipped with fixing seat (3), described Conducting wire (6) leads to mounting base (2) outside through the outlet hole (15) on mounting base (2).

2. the heating device according to claim 1 for coating machine, it is characterised in that: be equipped in the mounting base (2) Cavity (13) is filled with sealed silicone in the cavity (13).

3. the heating device according to claim 1 or 2 for coating machine, it is characterised in that: the mounting base (2) with plus The opposite one end of heat pipe (1) is equipped with the first groove (11) for fixing heating tube (1) and cooling fin (9).

4. the heating device according to claim 3 for coating machine, it is characterised in that: the mounting base (2) is equipped with Flange (22).

5. the heating device according to claim 4 for coating machine, it is characterised in that: the flange (22) and heating tube (1) opposite side is equipped with sealing ring (23).

6. the heating device according to claim 1 for coating machine, it is characterised in that: the cooling fin (9) is ripple Shape.

7. the heating device according to claim 1 for coating machine, it is characterised in that: the both ends of the metal tube (8) Sealant (26) are filled in pore.

8. the heating device according to claim 1 for coating machine, it is characterised in that: the insulating layer (7) includes extremely A few strata imide membrane (27).

9. the heating device according to claim 8 for coating machine, it is characterised in that: the insulating layer (7) further includes At least one layer of dielectric ceramic layer (28).

10. the heating device according to claim 1 for coating machine, it is characterised in that: the section of the heating tube (1) Shape is rectangle, and cooling fin (9) is separately positioned on the opposite sides surface of heating tube (1), in each heating tube (1) at least There is the cooling fin (9) of side to be located at ipsilateral cooling fin (9) with adjacent heating tube (1) to contact.