Porous silicon carbide composite ceramic sintering jig

Abstract

The utility model relates to the technical field of sintering jigs, in particular to a porous silicon carbide composite ceramic sintering jig which comprises a support, a limiting plate is fixedly assembled on the upper surface of the support, a plurality of sliding plates are connected to the surface of the limiting plate in a sliding mode, threaded rods are connected into the sliding plates in a threaded mode, and a supporting plate is rotatably connected to the upper ends of the threaded rods. A sliding rod slidably penetrates through the sliding plate, the upper end of the sliding rod is fixedly connected with the supporting plate, a baffle is fixedly assembled at the lower end of the sliding rod and located below the sliding plate, and a plurality of scale grooves are formed in the surface of the sliding rod. According to the utility model, by arranging the limiting plates, the sliding plates, the supporting plates and the like, when the porous silicon carbide composite ceramic with an irregular bottom surface is supported, the number and the positions of the supporting plates can be adjusted according to the positions of the bulges on the bottom surface of the porous silicon carbide composite ceramic, so that the supporting plates can better abut against the bottom surface of the porous silicon carbide composite ceramic; and the practicability of the jig is improved.

Description

Technical Field

[0001] This utility model relates to the field of sintering fixture technology, and in particular to a porous silicon carbide composite ceramic sintering fixture. Background Technology

[0002] Porous silicon carbide composite ceramics are a new type of material with excellent performance. Based on silicon carbide, they form a porous structure through a specific process and are combined with other ceramic materials. They have high strength, high hardness and good thermal stability, and can work stably at high temperatures. When sintering porous silicon carbide composite ceramics, fixtures are needed to support them to ensure the sintering process is stable.

[0003] The above and existing technologies have the following drawbacks: Because porous silicon carbide composite ceramics have good plasticity, they are often processed into irregular shapes. However, when using a jig to support porous silicon carbide composite ceramics with protrusions on the bottom surface, the protrusions of the porous silicon carbide composite ceramics are easily squeezed and deformed, affecting the support effect of the jig on the porous silicon carbide composite ceramics.

[0004] Therefore, a porous silicon carbide composite ceramic sintering fixture is proposed. Utility Model Content

[0005] The purpose of this invention is to solve the problem that when using a jig to support porous silicon carbide composite ceramics with protrusions on the bottom surface, the protrusions of the porous silicon carbide composite ceramics are easily squeezed and deformed. Therefore, a sintering jig for porous silicon carbide composite ceramics is proposed.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a porous silicon carbide composite ceramic sintering fixture, comprising a support, a limiting plate fixedly mounted on the upper surface of the support, a plurality of sliding plates slidably connected to the surface of the limiting plate, a screw threadedly connected to the sliding plate, and a support plate rotatably connected to the upper end of the screw.

[0007] The effect achieved by the above components is as follows: by setting components such as limiting plates, sliding plates and support plates, when supporting porous silicon carbide composite ceramics with irregular bottom surfaces, the number and position of the support plates can be adjusted according to the position of the protrusions on the bottom surface of the porous silicon carbide composite ceramics, so that the support plates can better abut against the bottom surface of the porous silicon carbide composite ceramics, thereby improving the practicality of the fixture.

[0008] Preferably, a sliding rod slides through the slide plate, and the upper end of the sliding rod is fixedly connected to the support plate.

[0009] The effect achieved by the above components is that the movement of the pallet will cause the slide bar to slide along the inside of the slide plate, and the slide bar can limit the movement path of the pallet.

[0010] Preferably, a baffle is fixedly mounted on the lower end of the slide bar, and the baffle is located below the slide plate.

[0011] The effect achieved by the above components is that the baffle can limit the movement distance of the slide bar, thereby preventing the slide plate from losing contact with the slide bar.

[0012] Preferably, the surface of the slide bar is provided with a plurality of graduated grooves.

[0013] The effect achieved by the above components is that the scale groove allows for easy control of the vertical adjustment distance of the tray, thus facilitating precise adjustment before placing the porous silicon carbide composite ceramic.

[0014] Preferably, a rod slides through the sliding plate, and the surface of the limiting plate has several insertion holes that are adapted to the rod.

[0015] The effect achieved by the above components is that the insert rod passes through the slide plate and is inserted into the socket, and the socket restricts the position of the insert rod, thereby restricting the position of the slide plate.

[0016] Preferably, a counterweight is fixedly mounted on the upper end of the insertion rod, and the diameter of the counterweight is larger than the diameter of the insertion hole.

[0017] The effect achieved by the above components is that the counterweight can prevent the insertion rod from coming out of the insertion hole.

[0018] Preferably, a threaded post is fixedly mounted on the lower surface of the bracket, and an internally threaded tube is threadedly connected to the outer circumferential surface of the threaded post. A circular groove adapted to the internally threaded tube is formed on the upper surface of the bracket.

[0019] The effect achieved by the above components is that the internally threaded tube on the upper bracket is inserted into the circular groove on the upper surface of the lower bracket. The threaded tube and the threaded post can maintain a distance between the two brackets, which facilitates the stacking of multiple jigs for sintering and further improves the practicality of the jigs.

[0020] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0021] 1. In this utility model, by setting components such as limiting plates, sliding plates and support plates, when supporting porous silicon carbide composite ceramics with irregular bottom surfaces, the number and position of the support plates can be adjusted according to the position of the protrusions on the bottom surface of the porous silicon carbide composite ceramics, so that the support plates can better abut against the bottom surface of the porous silicon carbide composite ceramics, thereby improving the practicality of the fixture.

[0022] 2. In this utility model, by setting threaded tubes and threaded columns, the distance between the two supports can be maintained, which makes it convenient to stack multiple jigs for sintering, and further improves the practicality of the jigs. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the bracket of this utility model;

[0025] Figure 3 This is a partial structural diagram of the bracket of this utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the sliding plate part of this utility model.

[0027] Legend: 1. Bracket; 2. Limiting plate; 3. Slide plate; 4. Screw; 5. Support plate; 6. Slide rod; 7. Baffle; 8. Scale groove; 9. Insert rod; 10. Insertion hole; 11. Counterweight; 12. Threaded column; 13. Internally threaded tube; 14. Circular groove. Detailed Implementation

[0028] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0029] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0030] like Figures 1-4 As shown, this utility model provides a sintering fixture for porous silicon carbide composite ceramics, including a support 1. A limiting plate 2 is fixedly mounted on the upper surface of the support 1. Several sliding plates 3 are slidably connected to the surface of the limiting plate 2. Screws 4 are internally threaded onto the sliding plates 3. A support plate 5 is rotatably connected to the upper end of the screws 4. By setting up components such as the limiting plate 2, sliding plates 3, and support plate 5, when supporting porous silicon carbide composite ceramics with irregular bottom surfaces, the support plate 5 can be adjusted according to the position of the protrusions on the bottom surface of the porous silicon carbide composite ceramics. The quantity and position of the support plate 5 allow it to better abut against the bottom surface of the porous silicon carbide composite ceramic, improving the practicality of the fixture. A sliding rod 6 slides through the slide plate 3. The upper end of the sliding rod 6 is fixedly connected to the support plate 5. When the support plate 5 moves, it will drive the sliding rod 6 to slide along the slide plate 3. The sliding rod 6 can limit the movement path of the support plate 5. A baffle 7 is fixedly installed at the lower end of the sliding rod 6. The baffle 7 is located below the slide plate 3. The baffle 7 can limit the movement distance of the sliding rod 6, thereby preventing the slide plate 3 from losing contact with the sliding rod 6.

[0031] The surface of the slide rod 6 has several graduated grooves 8, which allow for easy control of the vertical adjustment distance of the support plate 5, facilitating precise adjustment before placing the porous silicon carbide composite ceramic. A rod 9 slides through the slide plate 3. The surface of the limiting plate 2 has several insertion holes 10 that match the rod 9. The rod 9 is inserted into the insertion hole 10 through the slide plate 3, thus limiting the position of the rod 9 and consequently the position of the slide plate 3. A counterweight 11 is fixedly mounted on the upper end of the rod 9, and the diameter of the counterweight 11 is larger than the diameter of the insertion hole 10. The counterweight 11 can prevent the insertion rod 9 from coming out of the insertion hole 10. The lower surface of the bracket 1 is fixedly equipped with a threaded post 12. The outer circumferential surface of the threaded post 12 is threaded with an internal threaded tube 13. The upper surface of the bracket 1 is provided with a circular groove 14 that matches the internal threaded tube 13. The internal threaded tube 13 on the upper bracket 1 is inserted into the circular groove 14 on the upper surface of the lower bracket 1. The threaded tube and the threaded post 12 can keep the distance between the two brackets 1, so as to facilitate the stacking of multiple jigs for sintering, and further improve the practicality of the jig.

[0032] The overall working principle is as follows: when it is necessary to support the irregularly shaped porous silicon carbide composite ceramic, the number and position of the support plates 5 are adjusted according to the position of the protrusions on the bottom surface of the porous silicon carbide composite ceramic. During the adjustment process, the counterweight block 11 is pulled to pull the insertion rod 9 out of the insertion hole 10, and then the sliding plate 3 is slid along the surface of the limiting plate 2. The screw 4 follows the sliding plate 3 and drives the support plates 5 to slide, thereby adjusting the position of the support plates 5. After removing the sliding plate 3 from the surface of the limiting plate 2, the number of support plates 5 can be reduced. Then, based on the undulation of the bottom surface of the porous silicon carbide composite ceramic, the screw 4 is rotated. The screw 4, through its thread, drives the support plate 5 to move vertically, thereby adjusting the height of the support plate 5 so that it can better abut against the bottom surface of the porous silicon carbide composite ceramic. The movement of the support plate 5 causes the slide rod 6 to slide along the slide plate 3. The slide rod 6 can restrict the movement path of the support plate 5, and the baffle 7 can restrict the movement distance of the slide rod 6, thereby preventing the slide plate 3 from losing contact with the slide rod 6. The scale groove 8 makes it easy to control the support plate 5. The vertical adjustment distance facilitates precise adjustment before placing the porous silicon carbide composite ceramic. After adjustment, the insert rod 9 is inserted through the slide plate 3 into the insertion hole 10. The insertion hole 10 restricts the position of the insert rod 9, thereby restricting the position of the slide plate 3. The counterweight 11 prevents the insert rod 9 from coming out of the insertion hole 10. Then, the porous silicon carbide composite ceramic is placed on the support plate 5, which supports the porous silicon carbide composite ceramic, facilitating subsequent sintering. When multiple... When the jigs are stacked and used, the internal threaded tube 13 is rotated along the outer circumference of the threaded post 12. The internal threaded tube 13 will move along the outer circumference of the threaded post 12 by means of the thread, thereby adjusting the distance between the internal threaded tube 13 and the farthest point of the threaded post 12. Then, the internal threaded tube 13 on the upper bracket 1 is inserted into the circular groove 14 on the upper surface of the lower bracket 1. The threaded tube and the threaded post 12 can keep the distance between the two brackets 1, thereby facilitating the stacking of multiple jigs for sintering and further improving the practicality of the jigs.

[0033] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A porous silicon carbide composite ceramic sintering jig, characterized by: The utility model provides a kind of support (1), the upper surface of the support (1) is fixedly equipped with limiting plate (2), the surface of the limiting plate (2) is slidably connected with several slide plates (3), the screw rod (4) is threadedly connected in the slide plate (3), the upper end of the screw rod (4) is rotatably connected with the supporting plate (5).

2. The porous silicon carbide composite ceramic sintering jig according to claim 1, characterized in that: The slide rod (6) is slidably penetrated in the slide plate (3), and the upper end of the slide rod (6) is fixedly connected with the supporting plate (5).

3. The porous silicon carbide composite ceramic sintering jig according to claim 2, characterized in that: The lower end of the slide rod (6) is fixedly equipped with the baffle (7), and the baffle (7) is located below the slide plate (3).

4. The porous silicon carbide composite ceramic sintering jig according to claim 2, characterized in that: The surface of the slide rod (6) is provided with a plurality of scale grooves (8).

5. The porous silicon carbide composite ceramic sintering jig according to claim 1, characterized in that: The slide rod (6) is slidably penetrated in the slide plate (3), and the upper end of the slide rod (6) is fixedly connected with the supporting plate (5).

6. The porous silicon carbide composite ceramic sintering jig according to claim 5, characterized in that: The lower end of the slide rod (6) is fixedly equipped with the baffle (7), and the baffle (7) is located below the slide plate (3).

7. The porous silicon carbide composite ceramic sintering jig according to claim 5, characterized in that: The surface of the slide rod (6) is provided with a plurality of scale grooves (8). The slide rod (6) is slidably penetrated in the slide plate (3), and the upper end of the slide rod (6) is fixedly connected with the supporting plate (5). The lower end of the slide rod (6) is fixedly equipped with the baffle (7), and the baffle (7) is located below the slide plate (3). The surface of the slide rod (6) is provided with a plurality of scale grooves (8). The slide rod (6) is slidably penetrated in the slide plate (3), and the upper end of the slide rod (6) is fixedly connected with the supporting plate (5). The lower end of the slide rod (6) is fixedly equipped with the baffle (7), and the baffle (7) is located below the slide plate (3). The surface of the slide rod (6) is provided with a plurality of scale grooves (8). The slide rod (6) is slidably penetrated in the slide plate (3), and the upper end of the slide rod (6) is fixedly connected with the supporting plate (5). The lower end of the slide rod (6) is fixedly equipped with the baffle (7), and the baffle (7) is located below the slide plate (3). The surface of the slide rod (6) is provided with a plurality of scale grooves (8). The slide rod (6) is slidably penetrated in the slide plate (3), and the upper end of the slide rod (6) is fixedly connected with the supporting plate (5). The lower end of the slide rod (6) is fixedly equipped with the baffle (7), and the baffle (7) is located below the slide plate (3). The surface of the slide rod (6) is provided with a plurality of scale grooves (8). The slide rod (6) is slidably penetrated in the slide plate (3), and the upper end of the slide rod (6) is fixedly connected with the supporting plate (5). The lower end of the slide rod (6) is fixedly equipped with the baffle (7), and the baffle (7) is located below the slide plate (3). The

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