Diode metal raw material hot working temperature control device

Abstract

The utility model relates to a diode metal raw material hot working temperature control device which comprises a base, a circular heating furnace arranged above the base and a sealing cover arranged on the top of the heating furnace, a material frame is detachably placed in the heating furnace, and the material frame is provided with a plurality of material trays which are arranged in an up-down layered mode. Electric heating pipes are arranged at the positions, corresponding to the positions of the trays, of the inner wall of the heating furnace, the electric heating pipes spirally extend around the corresponding trays, temperature sensors are installed at the positions, located above the electric heating pipes, of the inner wall of the heating furnace, and the electric heating pipes are controlled by a PID temperature controller. The electric heating tubes surround the trays in all directions, contact area is increased, heating dead angles are eliminated, temperature consistency of all parts of raw materials in the trays is guaranteed, each layer of trays corresponds to the independent electric heating tubes, interlayer temperature gradient is avoided, product consistency is improved, the length of the electric heating tubes is prolonged by the spiral structure, heating power per unit area is improved, and production efficiency is improved. The heating time is shortened, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heating temperature control technical field, concretely is a kind of diode metal raw material hot working temperature control device. BACKGROUND

[0002] Annealing treatment of diode metal raw material is one of the mitigation in its hot working procedure, by heating diode metal raw material to critical temperature and slowly cooling, to eliminate the internal stress generated in cold working process, refine grain, restore material plasticity key technology. Its core role lies in optimizing the mechanical properties of material, improve the conductivity and corrosion resistance, provide uniform and stable organization basis for subsequent stamping, rolling and other forming processes, while ensuring that material meets reliability and consistency requirements in diode manufacturing.

[0003] Traditional heating device for diode metal raw material annealing treatment mainly uses resistance wire heating method to provide heat for furnace, however, resistance wire heating method is easy to cause uneven temperature field in furnace, affect annealing quality, in addition, single-point temperature measurement method is difficult to accurately reflect the actual heating state of material, and the temperature control accuracy of diode metal raw material annealing treatment is poor. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of diode metal raw material hot working temperature control device, effectively solve the problem raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme.

[0006] A kind of diode metal raw material hot working temperature control device, including base, the circular heating furnace being arranged above base and the cover being arranged at the top of heating furnace, material rack is placed in heating furnace and can be detached, material rack has several material trays being arranged in layers from top to bottom, each layer of material tray position corresponding place on the inner wall of heating furnace is equipped with electric heating tube, electric heating tube extends spirally around corresponding material tray, temperature sensor is installed above each electric heating tube on the inner wall of heating furnace, each electric heating tube is controlled to PID temperature controller, each temperature sensor is electrically connected with PID temperature controller.

[0007] Further, heating furnace is fixed on base by stand, driving mechanism is arranged on base, shaft is installed in heating furnace by driving mechanism, driving mechanism is used to drive shaft rotation, material rack is detachably sleeved on shaft.

[0008] Further, material rack further includes column, each material tray is fixed on the outer wall of column in layers from top to bottom, column is detachably sleeved on shaft by the insertion hole on it.

[0009] Further, the section of shaft is rectangular, and the section of insertion hole is rectangular and matched with the shaft.

[0010] Further, the driving mechanism comprises a mounting frame, a driving motor, a shaft coupling and a transmission rod, the driving motor is fixed on the base through the mounting frame, the transmission rod is in transmission connection with the output shaft of the driving motor through the shaft coupling, and the top end of the transmission rod extends to the heating furnace.

[0011] Further, the stand is fixed with a connecting arm, the connecting arm is fixed with a cooling sleeve seat, the cooling sleeve seat is rotatably sleeved on the outside of the transmission rod, the cooling sleeve seat is provided with liquid cooling channels which are distributed in a spiral shape around the transmission rod, a water outlet pipe is communicated with the water outlets of the liquid cooling channels, the other end of the water outlet pipe is communicated with the input port of the liquid cooling system, and a water inlet pipe is communicated with the water inlets of the liquid cooling channels, and the other end of the water inlet pipe is communicated with the output port of the liquid cooling system.

[0012] Further, the inner wall of the heating furnace is provided with an alumina coating, and the outer wall of the heating furnace is provided with a heat insulation layer.

[0013] Further, the cover is a flange type sealing furnace cover, and the edge of the cover is provided with a graphite woven sealing strip.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model discloses a heating furnace, which comprises a base, a plurality of material trays arranged on the base, a plurality of electric heating pipes arranged around the material trays, a temperature sensor and a PID temperature controller.

[0016] The utility model discloses a heating furnace, which comprises a base, a plurality of material trays arranged on the base, a plurality of electric heating pipes arranged around the material trays, a temperature sensor and a PID temperature controller. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure stereogram schematic diagram of the utility model;

[0018] Figure 2 It is the structure cross section schematic diagram of the utility model; Figure 1

[0019] Figure 3 It is the structure enlarged schematic diagram of the utility model in A place; Figure 2

[0020] Figure 4 It is the driving mechanism structure schematic diagram in the utility model.

[0021] ​​In the figure: 1, base; 11, stand; 2, heating furnace; 21, cover; 3, material rack; 31, tray; 32, column; 321, jack; 4, electric heating tube; 5, temperature sensor; 6, PID temperature controller; 7, driving mechanism; 71, mounting frame; 72, driving motor; 73, coupling; 74, transmission rod; 8, shaft; 9, cooling jacket; 91, connecting arm; 92, liquid cooling channel; 93, water inlet pipe; 94, water outlet pipe. DETAILED DESCRIPTION

[0022] 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.

[0023] In the description of the embodiments of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connection", "installation" should be understood broadly, for example, "connection" can be detachable connection, or can be non-detachable connection; can be direct connection, or can be indirect connection through intermediate medium. In addition, "communication" can be direct communication, or can be indirect communication through intermediate medium. Among them, "fixing" means connecting with each other and the relative positional relationship after connection does not change. The orientation terms mentioned in the embodiments of the present application, such as "inner", "outer", "top", "bottom", etc., are only the direction of the drawings, therefore, the orientation terms used are for better and clearer description and understanding of the embodiments of the present application, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the embodiments of the present application.

[0024] In the embodiments of the present application, the terms "first", "second" are only for description purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features.

[0025] Please refer to Figures 1-4The utility model provides a kind of diode metal raw material hot working temperature control device, including base 1, the circular heating furnace 2 being arranged above base 1 and the cover 21 being equipped in heating furnace 2 top, detachably placed with material rack 3 in heating furnace 2, material rack 3 has several upper and lower layered arrangement tray 31, each tray 31 position corresponding place is equipped with electric heating tube 4 on heating furnace 2 inner wall, electric heating tube 4 extends around corresponding tray 31 spirally, temperature sensor 5 is installed above each electric heating tube 4 on heating furnace 2 inner wall, each electric heating tube 4 is respectively controlled to PID temperature controller 6, each temperature sensor 5 is electrically connected with PID temperature controller 6.

[0026] The diode metal raw material hot working temperature control device is supported by base 1, heating furnace 2 is covered by cover 21, and material rack 3 with several upper and lower layered trays 31 is detachably placed in heating furnace 2. Around the electric heating tube 4 spirally at the corresponding position of each tray 31 on the inner wall of heating furnace 2, the temperature sensor 5 is installed above each electric heating tube 4. The temperature sensor 5 feeds back the temperature information to the PID temperature controller 6. The PID temperature controller 6 controls the operation of each electric heating tube 4 according to the feedback to realize the accurate control of the temperature of each layer in the heating furnace 2.

[0027] The electric heating tube 4 surrounds the tray 31 in all directions, increases the contact area, eliminates the heating dead angle, ensures that the temperature of each part of the raw material in the tray 31 is consistent, each tray 31 corresponds to an independent electric heating tube 4, avoids the temperature gradient between layers, improves the consistency of products, and the spiral structure prolongs the length of the electric heating tube 4, improves the heating power per unit area, shortens the heating time, and improves the production efficiency.

[0028] The temperature sensor 5 collects the temperature of each layer in real time and feeds back to the PID temperature controller 6. The PID temperature controller 6 independently regulates and controls the power of the corresponding electric heating tube 4 based on the PID algorithm, realizes the accurate temperature control of each layer in the heating furnace 2, and ensures that the raw material is evenly heated without temperature gradient between layers.

[0029] The heating furnace 2 is fixed on the base 1 by the stand 11, the driving mechanism 7 is arranged on the base 1, the shaft 8 is installed in the heating furnace 2 by the driving mechanism 7, the driving mechanism 7 is used for driving the shaft 8 to rotate, and the material rack 3 is detachably sleeved on the shaft 8.

[0030] The material rack 3 further includes a column 32, and each tray 31 is fixed on the outer wall of the column 32 in a layered manner. The column 32 is detachably sleeved on the shaft 8 through the insertion hole 321 on the column 32.

[0031] The cross section of the shaft 8 is rectangular, and the cross section of the insertion hole 321 is rectangular and matched with the shaft 8, so that the column 32 can be driven to rotate synchronously when the shaft 8 rotates.

[0032] The driving mechanism 7 comprises a mounting frame 71, a driving motor 72, a shaft coupling 73 and a transmission rod 74, the driving motor 72 is fixed on the base 1 through the mounting frame 71, the transmission rod 74 is in transmission connection with the output shaft of the driving motor 72 through the shaft coupling 73, the top end of the transmission rod 74 extends into the heating furnace 2, and the shaft rod 8 is vertically fixed on the top end of the transmission rod 74.

[0033] Through the operation of the driving motor 72, the output shaft drives the transmission rod 74 to rotate under the transmission connection of the shaft coupling 73, the rotating transmission rod 74 can drive the shaft rod 8 to rotate in the heating furnace 2, and then the shaft rod 8 can drive the whole rack 3 to rotate, so that the raw materials in each column 32 are uniformly heated, and in addition, the detachable rack 3 and the shaft rod 8 are connected, which facilitates the rapid feeding and discharging of raw materials.

[0034] Specifically, the stand 11 is fixed with a connecting arm 91, the connecting arm 91 is fixed with a cooling sleeve seat 9, the cooling sleeve seat 9 is rotatably sleeved outside the transmission rod 74, the cooling sleeve seat 9 is provided with liquid cooling channels 92 which are distributed in a spiral shape around the transmission rod 74, the liquid cooling channels 92 are communicated with a water outlet pipe 94 at the water outlet, the other end of the water outlet pipe 94 is communicated with the input port of the liquid cooling system, the liquid cooling channels 92 are communicated with a water inlet pipe 93 at the water inlet, and the other end of the water inlet pipe 93 is communicated with the output port of the liquid cooling system, and it is worth noting that the liquid cooling system adopts the prior art, and the specific structure and working principle will not be described in detail.

[0035] The transmission rod 74 is made of high-temperature resistant material, since one end of the transmission rod 74 extends into the heating furnace 2, it will absorb a certain amount of heat, and through the pipeline system composed of the liquid cooling system, the liquid cooling channels 92, the water inlet pipe 93 and the water outlet pipe 94, the transmission rod 74 can be cooled, so as to avoid the heat transfer to the liquid cooling channels 92 and the water inlet pipe 93 and affect the normal work.

[0036] Specifically, the inner wall of the heating furnace 2 is provided with an alumina coating which is not shown in the figure, which can resist long-term high-temperature oxidation environment and significantly prolong the service life of the heating furnace 2, the chemical inertness of the coating can effectively block the direct contact between the raw materials and the furnace wall, avoid the chemical reaction that may occur under high temperature, and ensure the purity of the product.

[0037] The outer wall of the heating furnace 2 is provided with a heat insulation layer which is not shown in the figure, which can effectively reduce heat loss, reduce energy consumption, and make the outer surface temperature of the furnace body significantly lower than the inside, which can not only avoid the risk of scalding for the operator, but also reduce the influence of heat radiation on the surrounding environment, so as to realize a safe and energy-saving heat processing environment.

[0038] Specifically, the cover 21 adopts a flange type sealing furnace cover, and the edge of the cover 21 is provided with a graphite woven sealing strip (not shown in the figure). The flange type sealing furnace cover is rigidly connected with the heating furnace 2 through bolts, and cooperates with the flexible sealing characteristic of the edge graphite woven sealing strip to maintain the sealing state in the furnace under high temperature environment, prevent external air from invading to cause metal oxidation, and reduce heat loss.

[0039] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machine, the part and the equipment adopt the conventional type in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and the specific structure, type and coefficient index of all components are self-contained technology, as long as the beneficial effects can be achieved, the implementation can be carried out, therefore, no more description is made.

[0040] It is apparent for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-restrictive in any aspect, and the scope of the utility model is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A diode metal raw material hot working temperature control device, comprising a base (1), a circular heating furnace (2) arranged above the base (1), and a cover (21) arranged on the top of the heating furnace (2), characterized in that: a rack (3) is detachably placed in the heating furnace (2), and the rack (3) has a plurality of trays (31) arranged in layers; an electric heating pipe (4) is arranged on the inner wall of the heating furnace (2) corresponding to the position of each layer of the tray (31), and the electric heating pipe (4) extends spirally around the corresponding tray (31); a temperature sensor (5) is mounted above each electric heating pipe (4) on the inner wall of the heating furnace (2); each electric heating pipe (4) is controlled by a PID temperature controller (6), and each temperature sensor (5) is electrically connected to the PID temperature controller (6).

2. The diode metal raw material hot working temperature control device according to claim 1, characterized in that: the heating furnace (2) is fixed on the base (1) by a stand (11), a driving mechanism (7) is arranged on the base (1), a shaft (8) is arranged in the heating furnace (2) by the driving mechanism (7), and the driving mechanism (7) is used to drive the shaft (8) to rotate; the rack (3) is detachably sleeved on the shaft (8).

3. The diode metal raw material hot working temperature control device according to claim 2, characterized in that: the rack (3) further comprises a column (32), and each tray (31) is fixed on the outer wall of the column (32) in a layered manner; the column (32) is detachably sleeved on the shaft (8) through the insertion hole (321) on the column (32).

4. The diode metal raw material hot working temperature control device according to claim 3, characterized in that: the cross section of the shaft (8) is rectangular, and the cross section of the insertion hole (321) is rectangular and matched with the shaft (8).

5. The diode metal raw material hot working temperature control device according to claim 2, characterized in that: the driving mechanism (7) comprises a mounting frame (71), a driving motor (72), a coupling (73), and a transmission rod (74); the driving motor (72) is fixed on the base (1) by the mounting frame (71), the transmission rod (74) is in transmission connection with the output shaft of the driving motor (72) through the coupling (73); the top end of the transmission rod (74) extends into the heating furnace (2), and the shaft (8) is vertically fixed on the top end of the transmission rod (74).

6. The diode metal raw material hot working temperature control device according to claim 5, characterized in that: a connecting arm (91) is fixed on the stand (11), a cooling sleeve seat (9) is fixed on the connecting arm (91), and the cooling sleeve seat (9) is rotatably sleeved on the outside of the transmission rod (74); the cooling sleeve seat (9) is provided with liquid cooling channels (92) spirally distributed around the transmission rod (74). The water outlet of the liquid cooling hole (92) is communicated with a water outlet pipe (94), and the other end of the water outlet pipe (94) is communicated with the liquid cooling system input port; The water inlet of the liquid cooling hole (92) is communicated with a water inlet pipe (93), and the other end of the water inlet pipe (93) is communicated with the liquid cooling system output port.

7. The temperature control device for the hot processing of diode metal raw materials according to claim 1, characterized in that: The heating furnace (2) has an alumina coating on the inner wall; The heating furnace (2) is provided with a heat insulation layer on the outer wall.

8. The temperature control device for the hot processing of diode metal raw materials according to claim 1, characterized in that: The sealing cover (21) is a flange type sealing furnace cover, and the sealing cover (21) is provided with a graphite woven sealing strip at the edge.

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