CN2531341Y

CN2531341Y - Rotary heat treatment furnace

Info

Publication number: CN2531341Y
Application number: CN 02226420
Authority: CN
Inventors: 罗润焕
Original assignee: SHOUWU'ER HARDWARE FACTORY CHASHAN TOWN DONGGUAN
Current assignee: SHOUWU'ER HARDWARE FACTORY CHASHAN TOWN DONGGUAN
Priority date: 2002-03-27
Filing date: 2002-03-27
Publication date: 2003-01-15
Anticipated expiration: 2012-03-27

Abstract

The rotary type heat treatment furnace relates to the technique field of the heat treatment equipment. The technical scheme is that the rotary furnace which can rotate with the heating device is arranged in the heating device and is connected with the driving device of the rotary furnace which drives the rotary furnace rotating; the heating device is arranged at the top of the stent and is connected with the motor device which drives the heating device rotating. The utility model has the advantages of small hardness deviation of the precise screw and nut.

Description

The swinging heat-treatment furnace

Technical field:

The utility model relates to the Equipment for Heating Processing technical field, refers in particular to the uniform swinging heat-treatment furnace of hardness of the product that a kind of heat treatment goes out.

Background technology:

Along with development of science and technology, various electronics, the application of engineering goods in people's life and work are also increasingly extensive; In numerous products,, usually be that product itself is designed to a plurality of parts for adapting to the demand of itself structure and production efficiency, cost; Then, rely on the annexation between each parts, utilize various securing members to connect, assemble; Therefore, screw, nut all must be applied in many products; And be to guarantee bulk article quality of stability, uniformity, the hardness of screw itself that also requires same designing requirement is in certain deviation range; Yet,, when carrying out carburizing heat treatment, at present, mostly adopt the heat-treatment furnace of continous way for realizing in enormous quantities, the high efficiency production of screw, nut; This kind heat-treatment furnace is mainly a continuous guipure, screw, nut are laid on the guipure and handle; Owing to itself structure, it has following several shortcoming: one, area is big, and occupation space is bigger, needs bigger delivery room to settle; Two, device structure complexity, installation, debug difficulties, purchase cost is higher; Three, heat time heating time long because area is bigger, thereby need the long time heat to it, just can reach the temperature of demand; Four, the cost height of small lot batch manufacture, when heat treated amount more after a little while, also must heat, thereby the costs such as electric weight that single-piece expends are higher, are unfavorable for saving cost to whole guipure; Five, contaminated environment, easily cause security incident, be harmful to the operator because the guipure of its heating is for exposing mode, thereby the operator is easy of being burnt accidentally; And surrounding environment is polluted in the space around the pernicious gas that its heat treatment produced directly is dispersed into, and therefore the operator also poisons easily; In addition, because the screw of heat-treating, thickness difference, firing rate difference, the heat penetration difference that nut is laid on guipure, thereby, cause heat treated effect inconsistent, hardness deviation after heat-treating is big, makes the accurate screw of part, nut fail to reach designing requirement.

Summary of the invention:

The purpose of this utility model is to provide a kind of above-mentioned defective that overcomes, and particularly can guarantee the little swinging heat-treatment furnaces of hardness deviation such as heat treated screw, nut.

The utility model is achieved by the following technical solution: can place in the heater with respect to the rotary furnace that heater rotates, and link to each other with the rotary furnace drive unit that drives its rotation; Heater is supported in the top of support, and with the electric machine that drives its rotation; The main body two ends of described heater are connected with end cap, and end cap is connected with two round ends of rotary furnace by swivel bearing; In main body, there are asbestos layer and heater wire to be spaced; Rotary furnace is an ampuliform, is provided with within it to drive the baffle plate that screw rotates; The one round end is provided with the through hole that links to each other with volume inside; In another round end, be provided with the tracheae that links to each other with volume inside, and at the intrinsic wheel disc of its termination overcoat; The main body Joint that hangs frame and heater of rotary furnace drive unit, and be fixed with motor on the frame hanging, the output shaft of motor links to each other with wheel disc by driving-belt; Diagonal brace has support bar on the base body of support, is socketed with rotating shaft on the supporting seat of the top of support bar connection, and rotating shaft links to each other with the two sides of the main body of heater, and wherein the outer end of a rotating shaft is connected with a worm gear; The base body of support is connected with gripper shoe by montant, on gripper shoe, be equipped with the motor of electric machine, the driving wheel that motor connects is connected with a driven pulley by driving-belt, driven pulley connects driving-belt through the output shaft of decelerator, the other end of driving-belt links to each other with the worm screw that is fixed on supporting bar top, and worm and wheel is meshed.

The utility model is to the miniature precision screw, when nut is heat-treated, and rotary furnace rotates with respect to the heater to its heating, and each screw or nut are heated evenly, and the carburizing unanimity; Thereby, the hardness unanimity (the utility model can be controlled at the hardness of screw in the margin of tolerance of regulation) after the each several part of guaranteeing each screw or nut itself is heat-treated; Help guaranteed quality, improve the quality of product; In addition, its volume is little, is convenient to move, install, and is suitable for small lot batch manufacture; Simple in structure, the cost of purchase of equipment is low; Enclosed mode of heating can not pollute environment, and the operator also need not take care to poison or burnt; Built-in asbestos layer can slow down the speed that temperature reduces in the stove, shortens the heat time heating time of the new heat treated article that adds, and enhances productivity, and can also reduce expending of heat energy simultaneously, reduces cost.

Description of drawings:

Below in conjunction with accompanying drawing the utility model is further specified:

Accompanying drawing 1 is looked schematic diagram for the utility model master;

Accompanying drawing 2 is the utility model schematic side view.

The specific embodiment:

See accompanying drawing 1,2, the utility model includes heater 1, rotary furnace 2, rotary furnace drive unit 3, support 4, electric machine 5, in the main body 11 of heater 1, there are asbestos layer 111 and heater wire 112 to be spaced, by of the setting of this cotton layer 111 with heater wire 112, make that the temperature in the main body 11 can reduce lentamente, the heat time heating time behind the heat treated article is added in shortening again, both saved the time, enhance productivity, can reduce the consumption of energy again, reduce cost; Two ends are connected with end cap 12, and end cap 12 is connected with two round ends 21 of rotary furnace 2 by swivel bearing 13; Rotary furnace 2 places in the heater 1 for the main part of ampuliform, by the alcohol of heater 1 internal combustion and the flame that mixture produced of benzene rotary furnace 2 is heated, and generally controls temperature in the rotary furnace 2 at 870 ℃.

In rotary furnace 2, be provided with and drive the baffle plate 22 that screw rotates, drive rotary furnace 2 interior heat treated screws in company with rotation by baffle plate 22; One round end 21 is provided with the through hole 211 that links to each other with volume inside; In another round end 21, be provided with the tracheae 212 that links to each other with volume inside, and at the intrinsic wheel disc 23 of its termination overcoat; When wheel disc 23 rotated, round end 21 rotated with respect to the main body 11 of heater 1 by swivel bearing 13.

Main body 11 Joints that hang frame 31 and heater 1 of rotary furnace drive unit 3, and be fixed with motor 32 on the frame 31 hanging, motor 32 is connected with driving-belt 33 by output shaft 321, and the other end of driving-belt 33 is placed in outside the wheel disc 23; When motor 32 runnings, drive wheel disc 23 by driving-belt 33 and rotate, thereby rotary furnace 2 is rotated with respect to the main body 11 of heater 1.

Diagonal brace has support bar 42 on the base body 41 of support 4, is socketed with rotating shaft 44 on the supporting seat 43 of the top of support bar 42 connection, and rotating shaft 44 links to each other with the two sides of the main body 11 of heater 1, and wherein the outer end of a rotating shaft 44 is connected with a worm gear 45; When worm gear 45 is driven and when rotating, rotating shaft 44 also rotates thereupon, thereby the main body 11 of heater 1 is rotated, the round end 21 that has a through hole 211 when heater 1 can join screw in the rotary furnace 2 by through hole 211 up the time; When round end 21 down the time, the intact screw of heat treatments in the rotary furnace 2 can be poured out.

The base body 41 of support 4 is connected with gripper shoe 47 by montant 46, on gripper shoe 47, be equipped with the motor 51 of electric machine 5, the driving wheel 52 that motor 51 connects is connected with a driven pulley 54 by driving-belt 53, driven pulley 54 connects driving-belt 56 through the output shaft 551 of decelerator 55, the other end of driving-belt 56 links to each other with the worm screw 57 that is fixed on support bar 42 tops, and worm screw 57 is meshed with worm gear 45; When motor 51 starts, can pass through driving wheel 52, driving-belt 53, driven pulley 54, decelerator 55, output shaft 551, transmit motion to driving-belt 56, drive worm screw 57 by driving-belt 56 and rotate, the rotation of worm screw 57 makes the worm gear 45 that is meshed with it rotate.

Claims

1, swinging heat-treatment furnace is characterized in that: include heater (1), rotary furnace (2), can place in the heater (1) with respect to the rotary furnace (2) that heater (1) rotates, and link to each other with the rotary furnace drive unit (3) that drives its rotation; Heater (1) is supported in the top of support (4), and links to each other with the electric machine (5) that drives its rotation.

2, swinging heat-treatment furnace according to claim 1 is characterized in that: main body (11) two ends of heater (1) are connected with end cap (12), and end cap (12) is connected with two round ends (21) of rotary furnace (2) by swivel bearing (13); In main body (11), there are asbestos layer (111) and heater wire (112) to be spaced.

3, swinging heat-treatment furnace according to claim 1 is characterized in that: rotary furnace (2) is an ampuliform, is provided with within it to drive the baffle plate (22) that screw rotates; One round end (21) is provided with the through hole (211) that links to each other with volume inside; In another round end (21), be provided with the tracheae (212) that links to each other with volume inside, and at the intrinsic wheel disc of its termination overcoat (23).

4, swinging heat-treatment furnace according to claim 1, it is characterized in that: main body (11) Joint that hangs frame (31) and heater (1) of rotary furnace drive unit (3), and being fixed with motor (32) on the frame (31) hanging, the output shaft (321) of motor (32) links to each other with wheel disc (23) by driving-belt (33).

5, swinging heat-treatment furnace according to claim 1, it is characterized in that: the base body (41) of support (4) is gone up diagonal brace support bar (42), on the supporting seat (43) of the top of support bar (42) connection, be socketed with rotating shaft (44), rotating shaft (44) links to each other with the two sides of the main body (11) of heater (1), and wherein the outer end of a rotating shaft (44) is connected with a worm gear (45).

6, swinging heat-treatment furnace according to claim 1, it is characterized in that: the base body (41) of support (4) is connected with gripper shoe (47) by montant (46), on gripper shoe (47), be equipped with the motor (51) of electric machine (5), the driving wheel (52) that motor (51) connects is connected with a driven pulley (54) by driving-belt (53), driven pulley (54) connects driving-belt (56) through the output shaft (551) of decelerator (55), the other end of driving-belt (56) links to each other with the worm screw (57) that is fixed on support bar (42) top, and worm screw (57) is meshed with worm gear (45).