CN213739590U

CN213739590U - High heat insulating vacuum annealing furnace

Info

Publication number: CN213739590U
Application number: CN202022802170.5U
Authority: CN
Inventors: 濮丹飞
Original assignee: Wujiang Feilo Tianhe Electronical Material Co ltd
Current assignee: Wujiang Feilo Tianhe Electronical Material Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-07-20
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a high heat insulating nature vacuum annealing stove, including the furnace body, push away material group, the feed roll, the blowing case, the furnace gate, the control box, the upper end of furnace body is equipped with the bell, be equipped with the vacuum valve on the bell, sealing sleeve, be equipped with the spout on the inner wall of furnace body, the slip joint has the slide on the spout, the slide facial make-up is equipped with the fan, the hot plate, be equipped with electric heating element on the hot plate, the upper left end of slide is equipped with the fixing base, the fixing base facial make-up is equipped with the bearing, the upper end of bell is equipped with the support, threaded connection has the screw rod on the support, be equipped with the air inlet section of thick bamboo on the bell, the cartridge filter, sealed lid. The realization is carried out corresponding steam to the part of different volume height and is blown the heating, has improved the efficiency homogeneity to the part heating in the vacuum annealing stove, has improved the cooling efficiency homogeneity to the part of different volume height, guarantees to get into the air cleanliness nature in the furnace body, spreads the air current of suction and carries out evenly to blow on two fan faces.

Description

High heat insulating vacuum annealing furnace

Technical Field

The utility model belongs to the technical field of annealing stove, specifically a high heat insulating nature vacuum annealing stove.

Background

Annealing is a heat treatment process for metals, which refers to slowly heating the metal to a certain temperature, holding for a sufficient time, and then cooling at a suitable rate in order to reduce hardness, improve deep-workability, eliminate residual stress, stabilize dimensions, reduce the tendency to deformation and cracking, refine grains, adjust the texture, and eliminate texture defects.

The publication No. CN206494956U discloses a vacuum annealing furnace, which comprises a furnace body, wherein a heat-insulating sleeve is arranged outside the furnace body, a heating cavity is arranged between the heat-insulating sleeve and the furnace body, and an electric heating element is arranged in the heating cavity; the top end of the furnace body is provided with a cover body, the upper end of the cover body is provided with a motor, and an output shaft of the motor is connected with the fan; a frame is arranged on one side of the furnace body, a hydraulic cylinder is arranged on the frame, and the hydraulic cylinder is connected with a material pushing plate; the furnace body is provided with a furnace door, the furnace door and the material pushing plate are arranged on the same horizontal plane, a feeding roller is arranged in the furnace body and connected with a discharging channel, the discharging channel is provided with a discharging roller below, and the discharging channel is connected with a discharging box.

However, since the electric heating elements are only arranged on the inner walls of the upper parts of the two sides of the furnace body, the height of the parts to be annealed is high or low, and if the size of the parts is low, the heating efficiency and the heating uniformity of the parts are poor, and the cooling effect of the parts is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high heat insulating ability vacuum annealing stove to solve among the prior art all relatively poor, to the relatively poor problem of the cooling effect of part to the part heating efficiency and heating homogeneity.

In order to achieve the above object, the utility model provides a following technical scheme: a high heat preservation vacuum annealing furnace comprises a furnace body, a material pushing group, a feeding roller, a material placing box, a furnace door and a control box, wherein the upper end of the furnace body is provided with a furnace cover, the furnace cover is provided with a vacuum valve and a sealing sleeve, the inner wall of the furnace body is provided with two sliding chutes which are symmetrically arranged by taking the vertical central axis of the furnace body as a center, the sliding chutes are slidably clamped with sliding plates, the guide performance of the sliding plates for sliding up and down is realized, the sliding plates are provided with a fan and a heating plate, the heating plate is provided with an electric heating element, the upper left end of the sliding plates is provided with a fixing seat, the fixing seat is provided with a bearing, the upper end of the furnace cover is provided with a support, the support is provided with an adjusting screw hole, the adjusting screw hole is internally connected with a screw rod, the furnace cover is provided with an air inlet cylinder, a filter cylinder and a sealing cover, the novel used structural component is provided with the special instructions, all are made of 304 stainless steel materials, have high strength, are rust-resistant and are easy to weld.

Preferably, the lower end of the screw rod is fixedly connected with a preset mounting hole of the bearing, the bearing is a ball bearing, the screw rod is rotatably sleeved with the preset sleeve hole of the sealing sleeve, and the upper end of the screw rod is provided with a hand wheel which can improve the efficiency of rotating the screw rod.

Preferably, the air inlet cylinder is arranged in the middle of the furnace cover, the filter cartridge is arranged at the upper end of the air inlet cylinder, the sealing cover is sleeved at the upper end of the air inlet cylinder, and the sealing cover can guarantee the sealing performance in the furnace body.

Preferably, the fan is of a type US12D22-GT, the body is all metal and is resistant to high temperature and corrosion, and the starting lead is connected to a power supply socket with a switch on the outside.

Preferably, the number of the fans is two, the fans are symmetrically arranged by taking the vertical central axis of the sliding plate as a center, the whole outer wall surfaces of the two fans and the outer wall surface of the heating plate are close to the inner wall surface of the furnace body, the overlooking size of the heating plate is matched with the overlooking size formed by the two fans, and the efficiency uniformity of heating parts in the vacuum annealing furnace is greatly improved.

Preferably, the whole air inlet cylinder is of a diffusion structure, so that the sucked air flow can be diffused to the two fan surfaces, and then the whole part below the air inlet cylinder is uniformly blown.

Preferably, the cross section of the filter cylinder is of a square structure, a filter screen is arranged in the inner cavity of the filter cylinder, and the filter screen can filter air pumped in, so that the cleanness of the air entering the furnace body is guaranteed.

Compared with the prior art, the beneficial effects of the utility model are that:

through the fan and the hot plate overall structure that set up height-adjustable from top to bottom, can carry out the holistic altitude mixture control of fan and hot plate to the part of different bulk heights, and then realize carrying out corresponding steam to blow the heating to the part of different bulk heights, very big improvement the efficiency homogeneity to the part heating in the vacuum annealing stove, simultaneously, also improved the cooling efficiency homogeneity to the part of different bulk heights.

Through the cartridge filter that has diffusion formula air inlet section of thick bamboo structure, not only guarantee the cleanliness factor of the air that gets into in the furnace body, can spread the air current of suction moreover to two fan faces on, and then evenly blow the part whole of below.

Drawings

FIG. 1 is a sectional view of the whole structure of the present invention;

FIG. 2 is a top view of the fan and heating plate of the present invention;

fig. 3 is a perspective view of the diffusion type air inlet drum structure and a cross-sectional view of the filter drum of the present invention;

fig. 4 is a top sectional view of the filter screen in the filter cartridge of the present invention.

In the figure: 1 furnace body, 11 pushing groups, 12 feeding rollers, 13 discharging boxes, 14 furnace doors, 15 control boxes, 2 furnace covers, 21 vacuum valves, 22 sealing sleeves, 3 sliding grooves, 4 sliding plates, 41 fans, 42 fixing seats, 43 bearings, 5 heating plates, 51 electric heating elements, 6 supports, 61 adjusting screw holes, 62 screws, 63 hand wheels, 7 air inlet cylinders, 8 filter cylinders, 81 filter screens and 9 sealing covers.

Detailed Description

Referring to fig. 1, a high heat insulation vacuum annealing furnace comprises a furnace body 1, a material pushing group 11, a feeding roller 12, a material placing box 13, a furnace door 14 and a control box 15, wherein the upper end of the furnace body 1 is provided with a furnace cover 2, the furnace cover 2 is provided with a vacuum valve 21 and a sealing sleeve 22, the inner wall of the furnace body 1 is provided with a chute 3, the chute 3 is slidably clamped with a sliding plate 4 to realize the guidance of the sliding plate 4 to slide up and down, the two chutes 3 are symmetrically arranged by taking the vertical central axis of the furnace body 1 as the center, the sliding plate 4 is provided with a fan 41 and a heating plate 5 through screws, the heating plate 5 is provided with an electric heating element 51, and the related structures are the assembly structures of the vacuum annealing furnace disclosed in the publication No. CN 206494956U.

Referring to fig. 1 and 2, a fixing seat 42 is welded at the upper left end of a sliding plate 4, a bearing 43 is arranged on the fixing seat 42, a support 6 is welded at the upper end of a furnace cover 2, an adjusting screw hole 61 is arranged on the support 6, a screw 62 is connected with the adjusting screw hole 61 in an internal thread manner, the lower end of the screw 62 is fixedly connected with a preset mounting hole of the bearing 43, the screw 62 is rotatably sleeved with the preset sleeve hole of a sealing sleeve 22, the mounting hole is preset on the furnace cover 2, the sealing sleeve 22 is fixed in the preset mounting hole in a sealing and bonding manner through resin adhesive, the sealing sleeve 22 is in a cylindrical tubular shape made of polyurethane rubber, a through hole is formed in the sealing sleeve, the sealing performance of the part can be guaranteed while the screw 62 is guaranteed to rotate and slide, a hand wheel 63 is welded at the upper end of the screw 62, and the hand wheel 63 is convenient for rotating the screw 62 to adjust.

Referring to fig. 1, 3 and 4, an air inlet cylinder 7, a filter cylinder 8 and a sealing cover 9 are arranged on the furnace cover 2, the air inlet cylinder 7 is welded at the middle position of the furnace cover 2, the filter cylinder 8 is welded at the upper end of the air inlet cylinder 7, the sealing cover 9 is sleeved at the upper end of the air inlet cylinder 7, the air inlet cylinder 7 is integrally of a diffusion type structure, the cross section of the filter cylinder 8 is of a square structure, a filter screen 81 is arranged in the inner cavity of the filter cylinder 8, and the filter screen 81 can filter the sucked air to ensure the cleanness of the air entering the furnace body 1.

Referring to fig. 1 and 2, the number of the fans 41 is two, the fans are symmetrically arranged with the central vertical axis of the sliding plate 4 as the center, the whole outer wall surfaces of the two fans 41 and the outer wall surface of the heating plate 5 are both close to the inner wall surface of the furnace body 1, the overlooking size of the heating plate 5 is matched with the overlooking size formed by the two fans 41, and the efficiency uniformity of heating parts in the vacuum annealing furnace is greatly improved.

The working principle of the scheme is that the electric heating element 51 and the fan 41 are started firstly, if the volume height of a part entering the upper part of the feed roller 12 is smaller, the hand wheel 63 can be held and anticlockwise rotated to drive the screw rod 62 to anticlockwise rotate, the screw rod 62 is driven to move downwards through the thread transmission of the adjusting screw hole 61 to drive the sliding plate 4 to slide downwards along the sliding chute 3 to drive the fan 41 and the heating plate 5 to integrally move downwards, when the heating plate 5 is close to the part with lower height needing to be heated currently, the hand wheel 63 stops rotating, the fan 41 blows downwards, high temperature generated by the electric heating element 51 is blown downwards and uniformly onto the part to realize uniform heating, the integral height adjustment of the fan 41 and the heating plate 5 can be carried out aiming at parts with different volume heights, and further, the targeted hot air blowing heating of the parts with different volume heights is realized, the efficiency uniformity of heating the parts in the vacuum annealing furnace is greatly improved;

in addition, when cooling is needed, the electric heating element 51 is closed, the upper sealing cover 9 is opened, external cold air can enter the filter cylinder 8 and is uniformly diffused through the diffusion type air inlet cylinder 7 and is finally blown to the lower part, the cooling efficiency uniformity of parts with different volume heights is improved, and the integral height of the fan 41 and the heating plate 5 can be adjusted upwards if the parts are higher.

Through the cartridge filter 8 that has diffusion formula air inlet section of thick bamboo 7 structure, not only guarantee the cleanliness factor of the air that gets into in the furnace body 1, can spread the air current of suction moreover to two fans 41 faces on, and then evenly blow the cooling to the part whole of below.

Claims

1. The utility model provides a high heat insulating ability vacuum annealing stove, includes furnace body (1), pushes away material group (11), feed roll (12), blowing case (13), furnace gate (14), control box (15), its characterized in that: the upper end of furnace body (1) is equipped with bell (2), be equipped with vacuum valve (21), sealed sleeve pipe (22) on bell (2), be equipped with spout (3) on the inner wall of furnace body (1), slide clamping joint has slide (4) on spout (3), slide (4) facial make-up is equipped with fan (41), hot plate (5), be equipped with electric heating element (51) on hot plate (5), the upper left end of slide (4) is equipped with fixing base (42), fixing base (42) facial make-up is equipped with bearing (43), the upper end of bell (2) is equipped with support (6), be equipped with on support (6) and adjust screw (61), it has screw rod (62) to adjust screw (61) female connection, be equipped with air inlet section of thick bamboo (7), cartridge filter (8), sealed lid (9) on bell (2).

2. The high-heat-retaining vacuum annealing furnace according to claim 1, characterized in that: the lower end of the screw rod (62) is fixedly connected with a preset mounting hole of the bearing (43), the screw rod (62) is rotatably sleeved with a preset sleeve hole of the sealing sleeve (22), and a hand wheel (63) is arranged at the upper end of the screw rod (62).

3. The high-heat-retaining vacuum annealing furnace according to claim 1, characterized in that: the air inlet cylinder (7) is arranged in the middle of the furnace cover (2), the filter cartridge (8) is arranged at the upper end of the air inlet cylinder (7), and the sealing cover (9) is sleeved at the upper end of the air inlet cylinder (7).

4. The high-heat-retaining vacuum annealing furnace according to claim 1, characterized in that: the number of the sliding chutes (3) is two and the sliding chutes are symmetrically arranged by taking the vertical central axis of the furnace body (1) as the center.

5. The high-heat-retaining vacuum annealing furnace according to claim 1, characterized in that: the number of the fans (41) is two, the fans are symmetrically arranged by taking the vertical central axis of the sliding plate (4) as a center, and the whole outer wall surfaces of the two fans (41) and the outer wall surfaces of the heating plate (5) are close to the inner wall surface of the furnace body (1).

6. The high-heat-retaining vacuum annealing furnace according to claim 5, wherein: the top view size of the heating plate (5) is matched with the top view size formed by the two fans (41).

7. The high-heat-retaining vacuum annealing furnace according to claim 1, characterized in that: the whole diffusion formula structure that is of air inlet section of thick bamboo (7), the cross-section of cartridge filter (8) is square column structure, be equipped with filter screen (81) in the inner chamber of cartridge filter (8).