Vacuum hot pressing furnace for ceramic processing

Abstract

The utility model discloses a vacuum hot-pressing furnace for ceramic processing, which relates to the technical field of ceramic cutter processing equipment and comprises a bottom plate, two symmetrically arranged supports are fixedly connected to the upper end of the bottom plate, a top plate is fixedly connected to the upper ends of the supports, and an electric push rod is fixedly connected to the middle of the upper end of the top plate. The middle of the upper end of the bottom plate is fixedly connected with a plurality of supporting columns which are distributed in a circumferential mode, the upper ends of the supporting columns are fixedly connected with a furnace body, and the upper end of the furnace body is provided with a sealing groove. The lower side of the front end of the furnace body fixedly communicates with a connecting pipe, the sealing ring convenient replacement assembly comprises a sealing ring body, the upper end of the sealing ring body is fixedly connected with a fixing ring, and the upper end of the fixing ring abuts against a furnace door. According to the utility model, the sealing ring body which is used for a long time can be conveniently replaced, and the sealing performance between the furnace door and the furnace body is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of ceramic tool processing equipment, specifically a vacuum hot press furnace for ceramic processing. Background Technology

[0002] A vacuum hot press furnace is a vertical vacuum resistance furnace that uses graphite as the heating element and is supported by a frame-type double-column structure. A hydraulic cylinder at the bottom provides the pressure source for lifting and lowering. It can heat and press products such as metallic compounds, ceramics, inorganic compounds, and nanomaterials in a vacuum or protective atmosphere. Vacuum hot press furnaces are widely used for hot pressing and sintering of cemented carbide, functional ceramics, and powder metallurgy under high temperature and high vacuum conditions. They can also be used for hot pressing and sintering under gas-filled protective conditions.

[0003] Existing technologies suffer from the problem of aging of the sealing ring on the furnace door during long-term use of hot press furnaces, which can cause cracks in the sealing ring between the furnace door and the furnace body, ultimately resulting in a reduction in the sealing performance between the furnace door and the furnace body. To address this issue, we propose a vacuum hot press furnace for ceramic processing. Utility Model Content

[0004] The purpose of this invention is to provide a vacuum hot press furnace for ceramic processing to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a vacuum hot press furnace for ceramic processing, comprising a base plate, two symmetrically arranged supports fixedly connected to the upper end of the base plate, a top plate fixedly connected to the upper end of the supports, an electric push rod fixedly connected to the middle of the upper end of the top plate, the output end of the electric push rod passing through the top plate and slidably connected to the top plate, a sealing ring easy-replacement component provided at the output end of the electric push rod, a plurality of circumferentially distributed support columns fixedly connected to the middle of the upper end of the base plate, a furnace body fixedly connected to the upper end of the support columns, a sealing groove opened at the upper end of the furnace body, a connecting pipe fixedly connected to the lower side of the front end of the furnace body, the sealing ring easy-replacement component comprising a sealing ring body, a fixing ring fixedly connected to the upper end of the sealing ring body and the upper end of the fixing ring abutting against the furnace door.

[0006] Preferably, the upper end of the furnace door is fixedly connected to two symmetrically arranged fixing plates. Each of the two fixing plates is fixedly connected to a spring at one end away from each other. The outer end of the spring is fixedly connected to a locking post. The end of the locking post near the spring is fixedly connected to a pull-out post. The outer end of the locking post is slidably connected to a locking hole. The locking hole is opened on the surface of the limiting plate and penetrates the limiting plate. The lower end of the limiting plate is fixedly connected to a guide post, and the outer end of the guide post is slidably connected to the furnace door. The lower end of the guide post is fixedly connected to the inner side of the upper end of the fixing ring.

[0007] Preferably, the sealing ring body is aligned with the sealing groove, and the outer dimensions of the sealing ring body are matched with the inner dimensions of the sealing groove.

[0008] Preferably, the ends of the two locking posts that are far apart from each other are rounded, and the outer wall of each locking hole is rounded. The outer diameter of the locking posts is matched with the inner diameter of the locking holes.

[0009] Preferably, movable sleeve plates are fixedly connected to both sides of the furnace door, and brackets are slidably connected to the surface of the movable sleeve plates, with the brackets penetrating through the movable sleeve plates.

[0010] Preferably, each of the movable sleeve plates is fixedly connected to a positioning column at its lower end, and a fixed sleeve plate is slidably connected to the outer end of the positioning column, with the furnace body fixedly connected to the inner end of the fixed sleeve plate.

[0011] Preferably, the outer end of the pull-out column is slidably connected to the fixing plate and the pull-out column passes through the fixing plate, and both pull-out columns are treated with anti-slip treatment at the ends that are far apart from each other.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. The invention is equipped with a base plate, bracket, top plate, electric push rod, support column, furnace body, connecting pipe, sealing groove and sealing ring easy replacement component. This utility model realizes the convenient replacement of the sealing ring body after long-term use, and improves the sealing performance between the furnace door and the furnace body.

[0014] 2. Equipped with a movable sleeve plate, a positioning column, and a fixed sleeve plate, the movable sleeve plate slides relative to the support as the electric push rod outputs and moves the furnace door downward. This causes the positioning column to move downward, aligning with the fixed sleeve plate and ensuring that the positional relationship between the furnace door and the furnace body remains accurate. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a cross-sectional structural diagram of the convenient replacement component for the sealing ring of this utility model;

[0017] Figure 3 This utility model Figure 2 Enlarged view of the structure of section A in the middle;

[0018] Figure 4 This is a schematic diagram of the movable sleeve structure of this utility model.

[0019] In the diagram: 1. Base plate; 2. Bracket; 3. Top plate; 4. Electric push rod; 5. Support column; 6. Furnace body; 7. Connecting pipe; 8. Sealing groove; 9. Sealing ring easy replacement component; 91. Furnace door; 92. Fixing plate; 93. Spring; 94. Locking column; 95. Limiting plate; 96. Locking hole; 97. Guide column; 98. Pull-out column; 99. Fixing ring; 910. Sealing ring body; 10. Moving sleeve plate; 11. Positioning column; 12. Fixing sleeve plate. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1 - Figure 4 This utility model provides a technical solution: a vacuum hot press furnace for ceramic processing, including a base plate 1, two symmetrically arranged supports 2 fixedly connected to the upper end of the base plate 1, a top plate 3 fixedly connected to the upper end of the supports 2, an electric push rod 4 fixedly connected to the middle of the upper end of the top plate 3, the output end of the electric push rod 4 passes through the top plate 3 and is slidably connected to the top plate 3, and a sealing ring easy replacement component 9 is provided at the output end of the electric push rod 4, a plurality of circumferentially distributed support columns 5 fixedly connected to the middle of the upper end of the base plate 1, a furnace body 6 fixedly connected to the upper end of the support columns 5, a sealing groove 8 is opened at the upper end of the furnace body 6, and a connecting pipe 7 is fixedly connected to the lower side of the front end of the furnace body 6, and the sealing ring easy replacement component 9 includes a sealing ring body 910, a fixing ring 99 fixedly connected to the upper end of the sealing ring body 910, and the upper end of the fixing ring 99 abuts against the furnace door 91.

[0022] In this embodiment, two symmetrically arranged fixing plates 92 are fixedly connected to the upper end of the furnace door 91. Springs 93 are fixedly connected to the ends of the two fixing plates 92 that are far apart from each other. A locking post 94 is fixedly connected to the outer end of the spring 93. A pull-out post 98 is fixedly connected to the end of the locking post 94 that is close to the spring 93. A locking hole 96 is slidably connected to the outer end of the locking post 94. The locking hole 96 is opened on the surface of the limiting plate 95 and penetrates the limiting plate 95. A guide post 97 is fixedly connected to the lower end of the limiting plate 95, and the outer end of the guide post 97 is slidably connected to the furnace door 91. The lower end of the guide post 97 is fixedly connected to the inner side of the upper end of the fixing ring 99.

[0023] Specifically, when it is necessary to replace the sealing ring body 910, the pull-out post 98 can be pulled out. The pull-out post 98 will move the locking post 94, which will compress the spring 93. During this process, the locking post 94 will disengage from the locking hole 96. Next, the guide post 97 can be moved down, and the fixing ring 99 and the sealing ring body 910 can be removed. Then, a new sealing ring body 910 can be installed.

[0024] In this embodiment, the sealing ring body 910 is aligned with the sealing groove 8, and the outer dimensions of the sealing ring body 910 are matched with the inner dimensions of the sealing groove 8.

[0025] Specifically, ensure that the sealing ring body 910 does not interfere with the sealing groove 8.

[0026] In this embodiment, the two locking posts 94 are rounded at their opposite ends, and the outer wall of each locking hole 96 is rounded. The outer diameter of the locking post 94 is matched with the inner diameter of the locking hole 96.

[0027] Specifically, ensure that there is no interference when the locking pin 94 contacts the locking hole 96.

[0028] In this embodiment, movable sleeve plates 10 are fixedly connected to both sides of the furnace door 91, and brackets 2 are slidably connected to the surface of the movable sleeve plates 10, with the brackets 2 penetrating through the movable sleeve plates 10.

[0029] Specifically, the movable sleeve 10 is provided to slide on the surface of the support 2 to improve the stability of the furnace door 91 movement.

[0030] In this embodiment, each movable sleeve plate 10 is fixedly connected to a positioning column 11 at its lower end, and a fixed sleeve plate 12 is slidably connected to the outer end of the positioning column 11. The furnace body 6 is fixedly connected to the inner end of the fixed sleeve plate 12.

[0031] Specifically, the installation of positioning posts 11 and fixing sleeves 12 enables precise alignment of the furnace door 91 with the furnace body 6.

[0032] In this embodiment, the outer end of the pull-out column 98 is slidably connected to the fixing plate 92 and the pull-out column 98 passes through the fixing plate 92. The two pull-out columns 98 are both treated with anti-slip treatment at the ends that are far apart from each other.

[0033] Specifically, ensure that the pull-out column 98 does not interfere with the fixed plate 92.

[0034] Working principle: When it is necessary to replace the sealing ring body 910 after long-term use, the pull-out column 98 can be pulled out. The pull-out column 98 drives the locking column 94 to move, and the locking column 94 compresses the spring 93. During this process, the locking column 94 disengages from the locking hole 96. Next, the guide column 97 can be moved down, and the fixing ring 99 and the sealing ring body 910 can be removed. Then, a new sealing ring body 910 can be installed. This utility model realizes the convenient replacement of the sealing ring body 910 after long-term use, and improves the sealing performance between the furnace door 91 and the furnace body 6.

[0035] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vacuum hot press furnace for ceramic processing, comprising a base plate (1), characterized in that: The bottom plate (1) upper end fixedly connected with two symmetrical supports (2), the support (2) upper end fixedly connected with the top plate (3), the top plate (3) upper end middle part fixedly connected with the electric push rod (4), the electric push rod (4) output end passes through the top plate (3) and the electric push rod (4) output end slidingly connected with the top plate (3), the electric push rod (4) output end is provided with a sealing ring convenient replacement assembly (9), the bottom plate (1) upper end middle part fixedly connected with a plurality of circumferentially distributed support columns (5), the support column (5) upper end fixedly connected with the furnace body (6), the furnace body (6) upper end is provided with a sealing groove (8), the furnace body (6) front end lower side fixedly connected with a connecting pipe (7), the sealing ring convenient replacement assembly (9) includes a sealing ring body (910), the sealing ring body (910) upper end fixedly connected with a fixed ring (99) and the fixed ring (99) upper end abuts with the furnace door (91).

2. The vacuum hot press furnace for ceramic processing according to claim 1, characterized in that: The furnace door (91) upper end fixedly connected with two symmetrical fixed plates (92), two the fixed plate (92) away from each other one end is fixedly connected with a spring (93), the spring (93) outer end fixedly connected with a clamping column (94), the clamping column (94) is fixedly connected with a pullout column (98) close to the spring (93) one end, the clamping column (94) outer end slidingly connected with a clamping hole (96), the clamping hole (96) is arranged on the surface of the limiting plate (95) and the clamping hole (96) penetrates the limiting plate (95), the limiting plate (95) lower end fixedly connected with a guide column (97) and the guide column (97) outer end slidingly connected with the furnace door (91), the guide column (97) lower end fixedly connected with the fixed ring (99) upper end inner side.

3. The vacuum hot press furnace for ceramic processing according to claim 2, characterized in that: The sealing ring body (910) is aligned with the sealing groove (8), the outer side dimension of the sealing ring body (910) is matched with the inner side dimension of the sealing groove (8).

4. The vacuum hot press furnace for ceramic processing according to claim 2, characterized in that: Two the clamping column (94) away from each other one end is rounded, each the clamping hole (96) outer wall is rounded, the outer diameter dimension of the clamping column (94) is matched with the inner diameter dimension of the clamping hole (96).

5. The vacuum hot press furnace for ceramic processing according to claim 2, characterized in that: The furnace door (91) both sides are fixedly connected with a moving sleeve plate (10), the moving sleeve plate (10) surface slidingly connected with the support (2), the support (2) penetrates the moving sleeve plate (10).

6. The vacuum hot press furnace for ceramic processing according to claim 5, characterized in that: Each the moving sleeve plate (10) lower end is fixedly connected with a positioning column (11), the positioning column (11) outer end slidingly connected with a fixed sleeve plate (12), the fixed sleeve plate (12) inner end fixedly connected with the furnace body (6).

7. The vacuum hot press furnace for ceramic processing according to claim 2, characterized in that: The pullout column (98) outer end slidingly connected with the fixed plate (92) and the pullout column (98) penetrates the fixed plate (92), two the pullout column (98) away from each other one end is anti-skid.

Images