CN213957910U

CN213957910U - Temperature adjusting equipment for MIM sintering furnace

Info

Publication number: CN213957910U
Application number: CN202120346361.7U
Authority: CN
Inventors: 胡建斌; 梁军辉; 黄卫; 张奕; 刘晓静; 任全胜; 郭宪良
Original assignee: Lianyungang Fuchi Zhizao Technology Co ltd
Current assignee: Lianyungang Fuchi Zhizao Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-08-13
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a temperature regulation equipment for MIM sintering furnace, including the fritting furnace, the welding of fritting furnace one side outer wall top has the outlet duct, and the outlet duct outer wall is fixed with first solenoid valve, the welding of outlet duct bottom outer wall has the bin, and the welding of bin bottom outer wall has the conveyer pipe, the conveyer pipe outer wall is fixed with the second solenoid valve, the welding of fritting furnace one side outer wall middle part has the control box, and has atmospheric pressure detector through the bolt fastening on control box one side inner wall upper portion, there is the controller control box one side inner wall lower part through the bolt fastening. The utility model discloses a fan can filter the air that gets into with the various filter screens of outside air suction reuse filter mechanism internally mounted and prevent to have dust and impurity to get into the temperature control cabinet in piling up, utilizes the semiconductor refrigeration piece to refrigerate the air after filtering simultaneously and cools down in discharging the temperature control cabinet.

Description

Temperature adjusting equipment for MIM sintering furnace

Technical Field

The utility model relates to a fritting furnace control by temperature change technical field especially relates to a temperature regulation equipment for MIM fritting furnace.

Background

The MIM sintering furnace is substantially an MIM workpiece sintering furnace, i.e. an MIM product sintering furnace (the same below), and the MIM technology is a metal powder injection molding technology, and MIM is an acronym and is called as follows: metalimiprotionmoving. Because the MIM technology is used as a near-net-shape forming technology for manufacturing high-quality precision parts, the MIM technology has the advantages that the conventional powder metallurgy, machining and casting methods cannot compete with the MIM technology, and the MIM technology is specifically represented as follows: the device can produce small metal parts with complex shapes like plastic products, such as the weight is as small as 0.1g and as large as 500g or even more, and the shells of typical high-grade mobile phones (

apples

6, 7 and the like) are commonly made by MIM technology; each part of the workpiece has uniform tissue, high dimensional precision and relative density of more than 95 percent; the surface smoothness is good; the product quality is stable, the production efficiency is high, and the requirements of industrial mass production can be easily met; materials are widely applicable, for example, materials are made of iron-based alloy steel, stainless steel, nickel-based alloy, tungsten alloy, cemented carbide, titanium alloy, magnetic material, Kovar alloy, fine ceramics, and the like. The aforementioned MIM sintering furnace is also referred to as MIM pedestal furnace.

The flow of air entering the furnace can not be controlled when the existing sintering furnace is calcined, so that the furnace body is easily damaged due to overlarge internal pressure, and meanwhile, the ambient temperature can be increased in the calcining process, and meanwhile, when the temperature adjusting equipment is used, heat can be generated, so that internal elements are damaged due to overhigh temperature.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a temperature adjusting device for an MIM sintering furnace.

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

a temperature adjusting device for an MIM sintering furnace comprises a sintering furnace, wherein an air outlet pipe is welded at the top of the outer wall of one side of the sintering furnace, a first electromagnetic valve is fixed on the outer wall of the air outlet pipe, a storage box is welded on the outer wall of the bottom of the air outlet pipe, a conveying pipe is welded on the outer wall of the bottom of the storage box, a second electromagnetic valve is fixed on the outer wall of the conveying pipe, a control box is welded in the middle of the outer wall of one side of the sintering furnace, a pressure detector is fixed on the upper portion of the inner wall of one side of the control box through bolts, a controller is fixed on the lower portion of the inner wall of one side of the control box through bolts, the bottom of the outer wall of one side of the sintering furnace is connected with a temperature control cabinet through a signal line, a display is installed on the outer wall of one side of the temperature control cabinet, a heat dissipation box is welded on the bottom of the outer wall of the other side of the temperature control cabinet through a connecting pipe, a trapezoidal partition plate is welded on the middle portion of the inner wall of the heat dissipation box, a fan is fixed through bolts, and the outer wall of the other side of the base of the heat dissipation box is provided with a filtering mechanism, and semiconductor refrigerating sheets distributed at equal intervals are fixed on the outer wall of the top of the trapezoidal partition plate.

Preferably, the outer wall of the top of the heat dissipation box is provided with an air outlet, and the inner wall of the air outlet is welded with a connecting pipe.

Preferably, the air pressure detector is connected with the controller through a signal line, and the controller is connected with the first electromagnetic valve and the second electromagnetic valve through signal lines.

Preferably, the bottom of the outer wall of one side of the heat dissipation box is provided with an air inlet, and the inner wall of the air inlet is connected with a connector of the outer wall of one side of the fan through a connecting pipe.

Preferably, the outer wall of one side of the control box is provided with an access door, and the outer wall of one side of the access door is fixed with a handle through a bolt.

Preferably, the first electromagnetic valve, the second electromagnetic valve, the air pressure detector, the controller, the display, the fan and the semiconductor refrigeration piece are connected with an external switch through leads, and the switch is connected with an external power supply through leads.

Preferably, filtering mechanism includes the filter chamber and welds the locating clip that has equidistance symmetric distribution in the welding of filter chamber both sides inner wall, and the locating clip inner wall is pegged graft respectively and is had high-efficient pre-filter screen, silver ion filter screen, anti-allergic filter screen, high adsorptivity active carbon filter screen and HEPA filter screen.

The utility model has the advantages that:

1. according to the temperature adjusting device for the MIM sintering furnace, the pressure detector is used for detecting the pressure in the sintering furnace, when the pressure is too high, a signal is transmitted to the controller, the controller is used for controlling the first electromagnetic valve to open to discharge the gas in the sintering furnace into the storage tank for storage, and when the internal pressure is too low, the controller is used for controlling the second electromagnetic valve to open to discharge the gas in the storage tank into the sintering furnace again, so that the connection mode can control the pressure in the sintering furnace and can realize waste heat recycling and improve the utilization rate of resources;

2. this temperature regulation equipment for MIM sintering furnace of design, inhale the various filter screens of recycling filter mechanism internally mounted with the outside air through the fan and can filter the air that gets into and prevent to have dust and impurity to get into the temperature control cabinet in piling up, utilize the semiconductor refrigeration piece to refrigerate the air after filtering simultaneously and cool down in discharging the temperature control cabinet, such connected mode can prevent that the inside high temperature of temperature control cabinet from leading to the component to receive the damage, improve equipment's life.

Drawings

FIG. 1 is a front view of the overall structure of a temperature adjusting device for an MIM sintering furnace according to the present invention;

FIG. 2 is a top view of the overall structure of a temperature control apparatus for an MIM sintering furnace according to the present invention;

fig. 3 is a sectional view of a heat dissipation box structure of a temperature adjustment device for an MIM sintering furnace according to the present invention.

In the figure: 1 sintering furnace, 2 outlet pipes, 3 first electromagnetic valves, 4 storage boxes, 5 conveying pipes, 6 second electromagnetic valves, 7 control boxes, 8 air pressure detectors, 9 controllers, 10 temperature control cabinets, 11 displays, 12 heat dissipation boxes, 13 trapezoidal partition plates, 14 fans, 15 filtering mechanisms and 16 semiconductor refrigerating sheets.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a temperature adjusting device for an MIM sintering furnace comprises a sintering furnace 1, an outlet pipe 2 is welded on the top of the outer wall of one side of the sintering furnace 1, a first electromagnetic valve 3 is fixed on the outer wall of the outlet pipe 2, a storage box 4 is welded on the outer wall of the bottom of the outlet pipe 2, a delivery pipe 5 is welded on the outer wall of the bottom of the storage box 4, a second electromagnetic valve 6 is fixed on the outer wall of the delivery pipe 5, a control box 7 is welded on the middle part of the outer wall of one side of the sintering furnace 1, an air pressure detector 8 is fixed on the upper part of the inner wall of one side of the control box 7 through bolts, an access door is arranged on the outer wall of one side of the control box 7, a handle is fixed on the outer wall of one side of the access door through bolts, a controller 9 is fixed on the lower part of the inner wall of one side of the control box 7 through bolts, the air pressure detector 8 is connected with the controller 9 through signal lines, and the controller 9 is connected with the first electromagnetic valve 3 and the second electromagnetic valve 6 through signal lines, when the pressure inside the sintering furnace 1 is detected by the air pressure detector 8, a signal is transmitted to the controller 9 when the pressure is too high, the controller 9 controls the first electromagnetic valve 3 to be opened to discharge the gas inside the sintering furnace into the storage tank 4 for storage, and when the pressure is too low, the controller 9 controls the second electromagnetic valve 6 to be opened to discharge the gas inside the storage tank 4 into the sintering furnace 1 again, so that the connection mode can control the pressure inside the sintering furnace 1 and can realize waste heat recovery and utilization to improve the utilization rate of resources;

the bottom of the outer wall of one side of the sintering furnace 1 is connected with a temperature control cabinet 10 through a signal line, a display 11 is installed on the outer wall of one side of the temperature control cabinet 10, a heat dissipation box 12 is welded at the bottom of the outer wall of the other side of the temperature control cabinet 10 through a connecting pipe, a trapezoidal partition plate 13 is welded in the middle of the inner wall of the heat dissipation box 12, an air outlet is formed in the outer wall of the top of the heat dissipation box 12, the connecting pipe is welded on the inner wall of the air outlet, a fan 14 is fixed on the outer wall of one side of the bottom of the heat dissipation box 12 through a bolt, a filtering mechanism 15 is arranged on the outer wall of the other side of the base of the heat dissipation box 12, the filtering mechanism 15 comprises a filtering chamber and positioning clamps which are welded on the inner walls of two sides of the filtering chamber and are symmetrically distributed at equal intervals, a high-efficiency pre-filtering net, a silver ion filtering net, an anti-allergy filtering net, a high-adsorption active carbon filtering net and an HEPA filtering net are respectively inserted into the inner wall of one side of the heat dissipation box 12, an air inlet is formed in the bottom of the outer wall of one side, the inner wall of the air inlet is connected with a connecting port on the outer wall of one side of the fan 14 through a connecting pipe, semiconductor refrigerating sheets 16 which are distributed at equal intervals are fixed on the outer wall of the top of the trapezoidal partition plate 13, the first electromagnetic valve 3, the second electromagnetic valve 6, the air pressure detector 8, the controller 9, the display 11, the fan 14 and the semiconductor refrigeration sheet 16 are connected with an external switch through leads, and the switch is connected with external electricity through leads, the air sucked from the outside by the fan 14 can be filtered by various filter screens installed inside the filter mechanism 15 to prevent dust and impurities from entering the temperature control cabinet 10 and accumulating, meanwhile, the filtered air can be refrigerated by using the semiconductor refrigerating sheet 16 and then discharged into the temperature control cabinet 10 for cooling, the connection mode can prevent the elements from being damaged due to overhigh temperature inside the temperature control cabinet 10, and the service life of the equipment is prolonged.

The working principle is as follows: when a user uses the equipment, when the sintering furnace 1 works, the pressure inside the sintering furnace 1 is detected by the air pressure detector 8, when the pressure is too high, a signal is transmitted to the controller 9, the controller 9 controls the first electromagnetic valve 3 to be opened to discharge the gas inside the sintering furnace 4 for storage, when the internal pressure is too low, the controller 9 controls the second electromagnetic valve 6 to be opened to discharge the gas inside the storage tank 4 into the sintering furnace 1 again, meanwhile, the fan 14 sucks the external air and then various filter screens arranged inside the filter mechanism 15 can be used for filtering the entering air to prevent dust and impurities from entering the temperature control cabinet 10 to be accumulated, meanwhile, the semiconductor refrigeration piece 16 can be used for refrigerating the filtered air and discharging the air into the temperature control cabinet 10 to be cooled, and the connection mode can prevent the elements from being damaged due to the overhigh internal temperature of the temperature control cabinet 10, the service life of the equipment is prolonged.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The temperature adjusting equipment for the MIM sintering furnace comprises a sintering furnace (1) and is characterized in that an air outlet pipe (2) is welded at the top of the outer wall of one side of the sintering furnace (1), a first electromagnetic valve (3) is fixed on the outer wall of the air outlet pipe (2), a storage box (4) is welded on the outer wall of the bottom of the air outlet pipe (2), a conveying pipe (5) is welded on the outer wall of the bottom of the storage box (4), a second electromagnetic valve (6) is fixed on the outer wall of the conveying pipe (5), a control box (7) is welded in the middle of the outer wall of one side of the sintering furnace (1), an air pressure detector (8) is fixed on the upper portion of the inner wall of one side of the control box (7) through bolts, a controller (9) is fixed on the lower portion of the inner wall of one side of the control box (7) through bolts, the bottom of the outer wall of one side of the sintering furnace (1) is connected with a temperature control cabinet (10) through a signal line, and a display (11) is installed on the outer wall of one side of the temperature control cabinet (10), temperature control cabinet (10) opposite side outer wall bottom has heat dissipation case (12) through the welding of connecting pipe, and the welding of heat dissipation case (12) inner wall middle part has trapezoidal division board (13), heat dissipation case (12) bottom one side outer wall has fan (14) through the bolt fastening, and heat dissipation case (12) base opposite side outer wall is equipped with filtering mechanism (15), trapezoidal division board (13) top outer wall is fixed with semiconductor refrigeration piece (16) that the equidistance distributes.

2. The temperature regulating equipment for the MIM sintering furnace according to claim 1, wherein the outer wall of the top of the heat dissipation box (12) is provided with an air outlet, and the inner wall of the air outlet is welded with a connecting pipe.

3. The temperature adjusting apparatus for the MIM sintering furnace according to claim 1, wherein the gas pressure detector (8) is connected to the controller (9) via a signal line, and the controller (9) is connected to the first solenoid valve (3) and the second solenoid valve (6) via a signal line.

4. The temperature adjusting equipment for the MIM sintering furnace, according to the claim 1, is characterized in that the bottom of the outer wall of one side of the heat dissipation box (12) is provided with an air inlet, and the inner wall of the air inlet is connected with a connecting port of the outer wall of one side of the fan (14) through a connecting pipe.

5. The temperature adjusting apparatus for the MIM sintering furnace according to claim 1, wherein an access door is provided on an outer wall of the control box (7) on one side, and a handle is fixed on the outer wall of the access door on one side by bolts.

6. The temperature regulating equipment for the MIM sintering furnace according to claim 1, wherein the first electromagnetic valve (3), the second electromagnetic valve (6), the air pressure detector (8), the controller (9), the display (11), the fan (14) and the semiconductor refrigerating sheet (16) are connected with an external switch through wires, and the switch is connected with an external power supply through wires.

7. The temperature adjusting equipment for the MIM sintering furnace according to claim 1, wherein the filtering mechanism (15) comprises a filtering chamber and positioning clamps welded on the inner walls of two sides of the filtering chamber and symmetrically distributed at equal intervals, and the inner walls of the positioning clamps are respectively inserted with a high-efficiency pre-filtering net, a silver ion filtering net, an anti-allergy filtering net, a high-adsorptivity activated carbon filtering net and a HEPA filtering net.