CN220288198U

CN220288198U - Vacuum sintering furnace with cooling function

Info

Publication number: CN220288198U
Application number: CN202222068063.3U
Authority: CN
Inventors: 戴和贵
Original assignee: Keda Coating Material Co ltd
Current assignee: Keda Coating Material Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2024-01-02
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses a vacuum sintering furnace with a cooling function, which comprises a furnace body and an inlet and an outlet arranged at one end of the furnace body, wherein a supporting plate is fixed at the inlet and the outlet, the top of the supporting plate is connected with a placing rack for placing products in a sliding manner, the end part of the placing rack is fixedly provided with a furnace door, the furnace door is connected with a driving mechanism for driving the placing rack to move along the length direction of the supporting plate, and a blowing mechanism is connected in the furnace body. According to the utility model, the electric cylinder can drive the piston rod to shrink, the placing frame is moved out of the furnace body, the furnace door is pressed on the switch button, the electromagnetic valve and the motor can be controlled to be synchronously opened, the motor drives the fan blades to rotate, external air can be conveyed into the furnace body through the air inlet pipeline, and the air flow is discharged from the inlet and the outlet along the length direction of the furnace chamber, so that good cooling and cooling of the vacuum sintering furnace can be realized, meanwhile, heat dissipation of products on the placing frame is also realized, the unloading of workers to the products is facilitated, and the practicability is strong.

Description

Vacuum sintering furnace with cooling function

Technical Field

The utility model relates to the technical field of sintering furnace equipment, in particular to a vacuum sintering furnace with a cooling function.

Background

The sintering furnace is a special device for sintering the powder compact to obtain the required physical and mechanical properties and microstructure. The sintering furnace is used for drying the slurry on the silicon wafer, removing organic components in the slurry and completing aluminum back surface field and grid line sintering. The vacuum sintering furnace is one of sintering furnaces, and the vacuum sintering furnace is a furnace for performing protective sintering on heated objects in a vacuum environment, and has a plurality of heating modes, such as resistance heating, induction heating, microwave heating and the like. The vacuum sintering furnace is a furnace for performing protective sintering on heated objects by induction heating, and can be classified into power frequency, intermediate frequency, high frequency and the like.

When the traditional vacuum sintering furnace is used, two independent heat dissipation devices are often adopted to respectively dissipate heat of the furnace body and the product, so that the requirements on manufacturing and assembling of the sintering furnace are high, the cost is large, and the practicability is poor.

Disclosure of Invention

The utility model aims to provide a vacuum sintering furnace with a cooling function, which has the advantages of realizing good cooling and cooling of the vacuum sintering furnace, simultaneously realizing heat dissipation of products on a placing rack, facilitating unloading of the products by workers, and solving the problems of high requirements on manufacturing and assembling the sintering furnace, high cost and poor practicality due to the fact that two independent heat dissipation devices are usually adopted to respectively dissipate heat of a furnace body and the products.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the vacuum sintering furnace with the cooling function comprises a furnace body and an inlet and an outlet which are arranged at one end of the furnace body, wherein a supporting plate is fixed at the inlet and the outlet, a placing frame for placing products is connected to the top of the supporting plate in a sliding manner, a furnace door is fixed at the end part of the placing frame, the furnace door is connected with a driving mechanism for driving the placing frame to move along the length direction of the supporting plate, and a blowing mechanism is connected in the furnace body;

when the furnace door is in an open state, the blowing mechanism is opened.

Preferably, the driving mechanism comprises a piston rod, a fixing plate and an electric cylinder, wherein the power output end of the electric cylinder is connected with the piston rod, the electric cylinder is fixed on the fixing plate, the fixing plate is fixed on the supporting plate, and one end of the piston rod is fixedly connected with the furnace door.

Preferably, a control switch is fixed at the top of the supporting plate and is used for controlling the opening and closing of the blowing mechanism, and when the furnace door is connected with the control switch, the blowing mechanism is opened.

Preferably, the control switch comprises a switch seat and a switch button connected to the switch seat, and when the oven door is pressed on the switch button, the blowing mechanism is started.

Preferably, the blowing mechanism comprises a motor, a porous plate, fan blades and a rotating shaft, wherein the porous plate is fixed in the furnace body, the motor is connected to the porous plate, the power output end of the motor is connected with one end of the rotating shaft, and the other end of the rotating shaft is fixedly connected with the fan blades.

Preferably, the other end of the furnace body is connected with a sealing head, the motor is positioned in the sealing head, the sealing head is connected with an air inlet pipeline, the air inlet pipeline is connected with an electromagnetic valve, when the furnace door is pressed on a switch button, the electromagnetic valve is opened, and the air inlet pipeline is conducted to a furnace chamber arranged in the furnace body.

Preferably, the end part of the air inlet pipeline is connected with a filter screen cover.

Preferably, the bottom of the furnace body is connected with a bracket for supporting the furnace body.

Preferably, the support is fixed in the rack.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the air blowing mechanism is arranged, and comprises the motor, the porous plate, the fan blades and the rotating shaft, when the product is heated, the electric cylinder drives the piston rod to shrink, the placing frame is moved out of the furnace body, the furnace door is pressed on the switch button, the electromagnetic valve and the motor can be controlled to be synchronously opened, the motor drives the fan blades to rotate, external gas can be conveyed into the furnace body through the air inlet pipeline, the air flow is discharged from the inlet and the outlet along the length direction of the furnace chamber, so that the good cooling and cooling of the vacuum sintering furnace can be realized, meanwhile, the heat dissipation of the product on the placing frame is also realized, the unloading of workers to the product is facilitated, and the practicability is high.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a front view of the present utility model;

fig. 4 is a schematic diagram of a cooling and heat dissipating structure according to the present utility model.

In the figure: 1. a furnace body; 2. an air intake duct; 3. a seal head; 4. a filter screen cover; 5. an electromagnetic valve; 6. a bracket; 7. an inlet and an outlet; 8. a support post; 9. a placing rack; 10. a furnace door; 11. a piston rod; 12. a fixing plate; 13. an electric cylinder; 14. a support plate; 15. a switch base; 16. a switch button; 17. a motor; 18. a porous plate; 19. a fan blade; 20. a rotation shaft; 21. a furnace chamber.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the utility model provides a vacuum sintering furnace with a cooling function, which comprises a furnace body 1 and an inlet and outlet 7 arranged at one end of the furnace body 1, wherein a supporting plate 14 is fixed at the inlet and outlet 7, a placing frame 9 for placing products is connected to the top of the supporting plate 14 in a sliding manner, the placing frame 9 has a good guiding function, and the reciprocating movement is stable. The end of the placing rack 9 is fixed with a furnace door 10, the furnace door 10 is connected with a driving mechanism for driving the placing rack 9 to move along the length direction of the supporting plate 14, and a blowing mechanism is connected in the furnace body 1.

After the product is heated, the electric cylinder 13 drives the piston rod 11 to shrink, the placing rack 9 is moved out of the furnace body 1, the furnace door 10 is pressed on the switch button 16, the electromagnetic valve 5 and the motor 17 can be controlled to be synchronously opened, the motor 17 drives the fan blade 19 to rotate, external air can be conveyed into the furnace body 1 through the air inlet pipeline 2, air flow is discharged from the inlet and outlet 7 along the length direction of the furnace cavity 21, good cooling and cooling of the vacuum sintering furnace can be realized, heat dissipation of the product on the placing rack 9 is realized, and unloading of workers to the product is facilitated.

The driving mechanism comprises a piston rod 11, a fixing plate 12 and an electric cylinder 13, wherein the power output end of the electric cylinder 13 is connected with the piston rod 11, the electric cylinder 13 is fixed on the fixing plate 12, the fixing plate 12 is fixed on a supporting plate 14, and one end of the piston rod 11 is fixedly connected with the furnace door 10. When the product needs to be heated, the product can be uniformly placed on the placing frame 9, the electric cylinder 13 drives the piston rod 11 to extend, the placing frame 9 can be pushed to move into the furnace chamber 21, the furnace door 10 is separated from the switch button 16, the motor 17 and the electromagnetic valve 5 are synchronously closed, the electromagnetic valve 5 can prevent external gas from entering the furnace body 1 through the air inlet pipeline 2, and meanwhile, the furnace door 10 blocks the inlet and outlet 7, so that the furnace chamber 21 is in a sealed state, and heat loss during heating is avoided.

A control switch is fixed on the top of the support plate 14 for controlling the opening and closing of the blowing mechanism, and when the oven door 10 is connected to the control switch, the blowing mechanism is opened.

The control switch comprises a switch seat 15 and a switch button 16 connected to the switch seat 15, the switch seat 15 is fixedly connected to the top of the supporting plate 14, when the furnace door 10 is pressed on the switch button 16, the blowing mechanism is started, the switch seat 15 plays a limiting role on the placing frame 9, namely, when the furnace door 10 is connected to the switch button 16, the electric cylinder 13 is stopped, and meanwhile, the placing frame 9 is completely moved out of the furnace body 1, so that a worker can conveniently unload products on the placing frame 9.

The blowing mechanism comprises a motor 17, a porous plate 18, fan blades 19 and a rotating shaft 20, wherein the porous plate 18 is fixed in the furnace body 1, the motor 17 is connected to the porous plate 18, the power output end of the motor 17 is connected with one end of the rotating shaft 20, and the other end of the rotating shaft 20 is fixedly connected with the fan blades 19. The perforated plate 18 provides a good guide for the sucked air so that the air flow can reach all parts of the furnace chamber 21 and the vacuum sintering furnace is uniformly cooled.

The other end of the furnace body 1 is connected with a sealing head 3, a motor 17 is positioned in the sealing head 3, the sealing head 3 is connected with an air inlet pipeline 2, the air inlet pipeline 2 is connected with an electromagnetic valve 5, when the furnace door 10 is pressed on a switch button 16, the electromagnetic valve 5 is opened, and the air inlet pipeline 2 is communicated with a furnace chamber 21 arranged in the furnace body 1.

The end connection of air inlet duct 2 has filter screen lid 4, and filter screen lid 4 can dismantle with air inlet duct 2 and be connected, for screw thread or lock joint, and then avoid the dismouting to filter screen lid 4, and filter screen lid 4 internal connection has the filter core simultaneously, plays the dust filtering effect, reduces and causes the pollution to furnace chamber 21.

The bottom of furnace body 1 is connected with the support 6 that is used for furnace body 1 to support, and support 6 and furnace body 1 fixed connection improve the stability of furnace body 1.

The rack 9 internal fixation has pillar 8, and rack 9 includes a plurality of boards of placing, from the top down is fixed in furnace gate 10 in proper order, and pillar 8 runs through in a plurality of boards of placing to fixed connection can make rack 9 compact structure, and rack 9 is to being close to the tip of import and export 7 and not sheltering from, is favorable to the air current to lead-in for the heat dissipation of product.

Working principle: when the product is heated, the electric cylinder 13 drives the piston rod 11 to shrink, namely the furnace door 10 is separated from the inlet and outlet 7, the placing rack 9 is moved out of the furnace body 1, when the furnace door 10 is pressed on the switch button 16, the electric cylinder 13 is stopped, the placing rack 9 is separated from the furnace body 1, the electromagnetic valve 5 and the motor 17 are synchronously opened, namely the air inlet pipeline 2 is communicated with the furnace chamber 21, the motor 17 drives the rotating shaft 20 to rotate, the fan blades 19 are driven to rotate, external air can enter the furnace chamber 21 through the air inlet pipeline 2, the porous plate 18 can uniformly disperse the air flow, so that the air flow can reach all parts of the furnace chamber 21, and the vacuum sintering furnace can be uniformly cooled. The air flow is discharged from the inlet and outlet 7 along the length direction of the furnace chamber 21, so that good heat dissipation can be achieved on the products on the placing frame 9, the unloading of workers on the products is facilitated, and the practicability is high.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A vacuum sintering furnace with cooling function is characterized in that: the device comprises a furnace body (1) and an inlet and outlet (7) arranged at one end of the furnace body (1), wherein a supporting plate (14) is fixed at the inlet and outlet (7), a placing frame (9) for placing products is connected to the top of the supporting plate (14) in a sliding manner, a furnace door (10) is fixed at the end part of the placing frame (9), a driving mechanism for driving the placing frame (9) to move along the length direction of the supporting plate (14) is connected to the furnace door (10), and a blowing mechanism is connected to the furnace body (1);

when the oven door (10) is in an open state, the blowing mechanism is opened.

2. The vacuum sintering furnace with the cooling function according to claim 1, wherein the driving mechanism comprises a piston rod (11), a fixing plate (12) and an electric cylinder (13), a power output end of the electric cylinder (13) is connected with the piston rod (11), the electric cylinder (13) is fixed on the fixing plate (12), the fixing plate (12) is fixed on a supporting plate (14), and one end of the piston rod (11) is fixedly connected with the furnace door (10).

3. Vacuum sintering furnace with cooling function according to claim 1, characterized in that the top of the support plate (14) is fixed with a control switch for controlling the opening and closing of the blowing mechanism, which is opened when the furnace door (10) is connected to the control switch.

4. A vacuum sintering furnace with cooling function according to claim 3, characterized in that the control switch comprises a switch seat (15) and a switch button (16) connected to the switch seat (15), and that the blowing mechanism is opened when the furnace door (10) is pressed against the switch button (16).

5. The vacuum sintering furnace with the cooling function according to claim 1, wherein the blowing mechanism comprises a motor (17), a porous plate (18), fan blades (19) and a rotating shaft (20), the porous plate (18) is fixed in the furnace body (1), the motor (17) is connected to the porous plate (18), a power output end of the motor (17) is connected with one end of the rotating shaft (20), and the other end of the rotating shaft (20) is fixedly connected with the fan blades (19).

6. The vacuum sintering furnace with the cooling function according to claim 5, wherein the other end of the furnace body (1) is connected with a sealing head (3), the motor (17) is located in the sealing head (3), the sealing head (3) is connected with an air inlet pipeline (2), the air inlet pipeline (2) is connected with an electromagnetic valve (5), when the furnace door (10) is pressed on a switch button (16), the electromagnetic valve (5) is opened, and the air inlet pipeline (2) is conducted on a furnace chamber (21) arranged in the furnace body (1).

7. Vacuum sintering furnace with cooling function according to claim 6, characterized in that the end of the air intake duct (2) is connected with a screen cover (4).

8. Vacuum sintering furnace with cooling function according to claim 1, characterized in that the bottom of the furnace body (1) is connected with a bracket (6) for supporting the furnace body (1).

9. Vacuum sintering furnace with cooling function according to claim 1, characterized in that the holders (9) are internally fixed with struts (8).