Ceramic shaft sintering jig uniform in heat transfer

Abstract

The utility model discloses a ceramic shaft sintering jig with uniform heat transfer, which belongs to the technical field of ceramic shaft processing, and comprises a bottom supporting plate, the upper surface of the bottom supporting plate is provided with a placement groove, a limiting plate is arranged in the placement groove in a sliding manner, the side wall of the limiting plate is provided with a limiting groove, and the limiting groove is provided with a limiting groove. And a limiting assembly used for limiting the limiting plate is arranged in the placement groove, a first fixing groove is formed in the inner wall of the placement groove, and a sealing assembly used for sealing the placement groove is arranged on the bottom supporting plate. By means of the mode, the sintering device has the effect of improving the sintering yield.

Description

Technical Field

[0001] The utility model relates to the technical field of ceramic shaft processing, and particularly relates to a sintering fixture for a ceramic shaft with uniform heat transfer. Background Art

[0002] The ceramic bushing is an important core component of a water pump, which plays a role in supporting the main shaft. Its processing technology generally includes turning, sintering and grinding. Among them, sintering has a great influence on the density and structure of the ceramic bushing, and further affects the performance of the product. Before sintering the green ceramic shaft, a large number of green ceramic shafts need to be loaded into the sintering device. The existing sintering device has a complex structure, requires workers with high loading skills for loading, and has a low loading capacity, thus reducing the production efficiency of the ceramic shaft.

[0003] A sintering loading fixture for a pump ceramic shaft is disclosed in the Chinese utility model patent with the publication number CN214136590U, which is applied in the technical field of ceramic shaft processing. It solves the problems that the existing sintering device has a complex structure, requires workers with high loading skills for loading, and has a low loading capacity, thus reducing the production efficiency of the ceramic shaft. It includes a plurality of bottom support plates and a plurality of bearing tubes for loading green ceramic shafts stacked on the plurality of bottom support plates. Adjacent bottom support plates are in contact with each other. The inner diameter of the bearing tube is larger than the outer diameter of the green ceramic shaft. Limiting plates for preventing the bearing tube from falling off are arranged on both sides of the upper end surface of the bottom support plate, and each limiting plate is detachably connected to the bottom support plate; it has the advantages of simple loading method, low requirement for the operation skills of workers, increased loading capacity, and greatly improved production efficiency.

[0004] Regarding the above related technologies, the inventor believes that there are the following defects: the above device blocks the bearing tubes on the bottom support plate through two limiting plates. When the staff needs to sinter a large number of bearing tubes at one time, the staff needs to make multiple bottom support plates abut. At this time, some clamping grooves on the bottom support plate are not connected to the limiting plates, which is likely to cause some bearing tubes to abut against the edges where the clamping grooves intersect with the bottom support plate. At this time, the part of the bearing tube where it intersects with the edge receives a greater force, which is likely to cause cracks on the surface of the bearing tube after sintering, thus being not conducive to improving the sintering yield.

[0005] Based on this, the utility model designs a sintering fixture for a ceramic shaft with uniform heat transfer to solve the above problems. Summary of the Utility Model

[0006] In view of the above-mentioned drawbacks of the prior art, the utility model provides a sintering fixture for a ceramic shaft with uniform heat transfer.

[0007] To achieve the above objectives, the utility model is realized through the following technical solutions:

[0008] A sintering fixture for a ceramic shaft with uniform heat transfer, comprising a bottom support plate. An installation groove is formed on the upper surface of the bottom support plate. A limiting plate is slidably arranged in the installation groove. A limiting groove is formed on the side wall of the limiting plate. A limiting component for limiting the limiting plate is arranged in the installation groove. A first fixing groove is formed on the inner wall of the installation groove. A closing component for closing the installation groove is arranged on the bottom support plate;

[0009] Furthermore, the limiting component includes a limiting rod slidably arranged on the inner wall of the limiting groove, a limiting spring with one end fixed on the side wall of the limiting rod, and a moving rope with one end fixed on the side wall of the limiting rod close to the limiting spring. The other end of the limiting spring is fixed on the inner wall of the limiting groove. A limiting hole matching the limiting rod is formed on the inner wall of the installation groove. The other end of the moving rope extends outside the limiting plate and is slidably connected;

[0010] Furthermore, a first inclined surface is formed on the edge where the bottom surface of the limiting rod intersects with the side wall away from the limiting spring;

[0011] Furthermore, the closing component includes an installation plate arranged in the installation groove. Second fixing grooves are formed on the opposite two side walls of the installation plate. The closing component further includes a fixing plate slidably arranged in the second fixing groove, a compression spring with one end fixed on the side wall of the fixing plate away from the first fixing groove, and a connecting rope with one end fixed on the side wall of the fixing plate close to the fixing spring. The other end of the connecting rope extends outside the installation plate and is slidably connected. The other end of the compression spring is fixed to the inner wall of the second fixing groove away from the first fixing groove. A second inclined surface is formed on the edge where the bottom surface of the fixing plate intersects with the side wall away from the compression spring;

[0012] Furthermore, a blocking block is fixed at the end of the connecting rope. The connecting rope is a connecting rope made of rubber band;

[0013] Furthermore, support grooves for supporting the installation plate are formed on the opposite two inner walls of the installation groove;

[0014] Furthermore, a T-shaped block is arranged on the bottom surface of the installation plate. A T-shaped groove matching the T-shaped block is formed on the upper surface of the limiting plate;

[0015] Furthermore, a driving block is slidably arranged on the side wall of the limiting plate. The driving block is fixed to the end of the moving rope away from the limiting rod.

[0016] Beneficial effects

[0017] First paragraph: When the staff needs to sinter multiple bearing pipes simultaneously, the staff needs to make multiple bottom support plates abut against each other, so that the multiple bottom support plates can be initially stabilized. Subsequently, the staff needs to connect two limit plates to two placement grooves successively and press down the limit plates, so that the limit plates can move downward, and then the limit assembly can be automatically activated to limit the limit plates, so that the limit plates can be stabilized. At this time, multiple placement grooves between the two limit plates are connected to each other. The staff needs to connect the placement plate to the placement groove, so that the closing assembly can be automatically opened to limit the placement plate, so that the placement plate can be stabilized. At this time, the upper surface of the placement plate is flush with the upper surface of the bottom support plate. Further, the staff needs to place multiple bearing pipes between the two limit plates, so that the two limit plates can block the multiple bearing pipes, so that the bearing pipes can be stabilized, and then the probability of damage to the bearing pipes during sintering is reduced;

[0018] Second paragraph: When the staff connects the limit plate to the placement groove, the staff only needs to press down the limit plate, so that the limit plate can move downward, and then the limit rod can be completely moved into the limit groove under the joint action of the first inclined surface and the placement groove. Subsequently, when the limit rod abuts against the inner bottom wall of the placement groove, the limit groove is aligned with the limit hole, and then the limit rod pops out outward under the action of the limit spring, and then the limit rod is connected to the limit hole, so that the limit rod can block the limit plate, and then the limit plate can be stabilized. Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a three-dimensional view of the main structure of a ceramic shaft sintering fixture with uniform heat transfer according to the present invention;

[0021] Figure 2 It is a schematic diagram of the limit hole and its connection structure of a utility model according to the present invention;

[0022] Figure 3 It is a schematic diagram of the limit assembly and its connection structure of a utility model according to the present invention;

[0023] Figure 4 It is a schematic diagram of the second fixing groove and its connection structure of a utility model according to the present invention;

[0024] Figure 5Schematic diagram of a closing component and its connection structure of the present utility model.

[0025] The reference numerals in the figure respectively represent:

[0026] 1. Bottom support plate; 11. Placement groove; 2. Limiting plate; 21. Limiting groove; 3. Limiting component; 31. Limiting rod; 32. Limiting spring; 33. Moving rope; 34. Limiting hole; 35. First fixing groove; 4. Closing component; 41. Placement plate; 411. Second fixing groove; 42. Fixing plate; 43. Compression spring; 44. Connecting rope; 45. Second inclined surface; 5. First inclined surface; 6. Block; 61. Support groove; 7. T-shaped block; 71. T-shaped groove; 8. Driving block. Detailed implementation manners

[0027] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0028] The present utility model will be further described below with reference to the embodiments.

[0029] In some embodiments, please refer to the accompanying specification Figures 1-5 , a ceramic shaft sintering jig with uniform heat transfer, including a bottom support plate 1, a limiting plate 2, a limiting component 3, a closing component 4, a block 6, a T-shaped block 7 and a driving block 8. An installation groove 11 is formed on the upper surface of the bottom support plate 1. The limiting plate 2 is in a rectangular plate shape and is slidably arranged in the installation groove 11.

[0030] A limiting groove 21 is formed on the side wall of the limiting plate 2. The limiting component 3 is arranged in the installation groove 11 and is used to limit the limiting plate 2. The limiting component 3 includes a limiting rod 31, a limiting spring 32 and a moving rope 33. The limiting rod 31 is in a rectangular rod shape and is slidably arranged on the inner wall of the limiting groove 21. A first inclined surface 5 is formed on the edge where the bottom surface of the limiting rod 31 intersects with the side wall away from the limiting spring 32. One end of the limiting spring 32 is fixed on the side wall of the limiting rod 31, and the other end of the limiting spring 32 is fixed on the inner wall of the limiting groove 21. One end of the moving rope 33 is fixed on the side wall of the limiting rod 31 close to the limiting spring 32. A limiting hole 34 matching the limiting rod 31 is formed on the inner wall of the installation groove 11, and the other end of the moving rope 33 extends outside the limiting plate 2 and is slidably connected.

[0031] When the staff connects the limit plate 2 with the placement groove 11, the staff only needs to press down the limit plate 2, so that the limit plate 2 moves downward. Then, under the combined action of the first inclined surface 5 and the placement groove 11, the limit rod 31 completely moves into the limit groove 21. Subsequently, when the limit rod 31 abuts against the inner bottom wall of the placement groove 11, the limit groove 21 is aligned with the limit hole 34. Then, the limit rod 31 pops out under the action of the limit spring 32, so that the limit rod 31 is connected with the limit hole 34, thus blocking the limit plate 2 by the limit rod 31, and then keeping the limit plate 2 stable.

[0032] A first fixing groove 35 is formed on the inner wall of the placement groove 11. The closing component 4 is arranged on the bottom support plate 1 and is used to close the placement groove 11. The closing component 4 includes a placement plate 41, a fixing plate 42, a compression spring 43 and a connecting rope 44. The placement plate 41 is in a rectangular plate structure and is arranged in the placement groove 11. Second fixing grooves 411 are formed on two opposite side walls of the placement plate 41. The fixing plate 42 is in a rectangular plate structure and is slidably arranged in the second fixing groove 411. A second inclined surface 45 is formed on the edge where the bottom surface of the fixing plate 42 intersects with the side wall away from the compression spring 43. One end of the compression spring 43 is fixed on the side wall of the fixing plate 42 away from the first fixing groove 35, and the other end of the compression spring 43 is fixed to the inner wall of the second fixing groove 411 away from the first fixing groove 35. One end of the connecting rope 44 is fixed on the side wall of the fixing plate 42 close to the fixing spring, and the other end of the connecting rope 44 extends out of the placement plate 41 and is slidably connected.

[0033] When some of the placement grooves 11 are not needed, the staff only needs to connect the placement plate 41 with the placement groove 11, so that the second fixing groove 411 gradually approaches the first fixing groove 35 and finally aligns with it. At this time, the fixing plate 42 is connected with the first fixing groove 35 under the action of the compression spring 43, thereby limiting the placement plate 41 and keeping the placement plate 41 stable.

[0034] The stop block 6 is in a rectangular block structure. The stop block 6 is fixed at the end of the connecting rope 44, and the connecting rope 44 is made of a rubber band. When the staff needs to use the placement groove 11, the staff only needs to pull the stop block 6, so that the connecting rope 44 moves with the stop block 6, so that the fixing plate 42 is separated from the first fixing groove 35 under the action of the connecting rope 44, thereby reducing the difficulty for the staff to take out the placement plate 41.

[0035] In order to reduce the difficulty for the staff to install the placement plate 41, support grooves 61 for supporting the placement plate 41 are provided on two opposite inner walls of the placement groove 11. When the staff connects the placement plate 41 with the placement groove 11, the staff only needs to press down the placement plate 41, and the placement plate 41 can be made to abut against the inner bottom walls of the two support grooves 61. At this time, the first fixing groove 35 is aligned with the second fixing groove 411, thereby reducing the operation difficulty for the staff.

[0036] The T-shaped block 7 is a block structure with a T-shaped cross-section. The T-shaped block 7 is arranged on the bottom surface of the placement plate 41, and a T-shaped groove 71 matching the T-shaped block 7 is provided on the upper surface of the limiting plate 2. When the staff does not need to use the placement plate 41, the staff only needs to connect the T-shaped block 7 with the T-shaped groove 71, and the placement plate 41 can be made to be stable, thereby reducing the probability of the placement plate 41 being lost.

[0037] The driving block 8 is a block structure. The driving block 8 is slidably arranged on the side wall of the limiting plate 2, and the driving block 8 is fixed to the end of the moving rope 33 far away from the limiting rod 31.

[0038] The working principle of a ceramic shaft sintering fixture with uniform heat transfer in this embodiment is as follows: When the staff needs to sinter multiple bearing tubes simultaneously, the staff needs to make multiple bottom support plates 1 abut against each other, and the multiple bottom support plates 1 can be made to be initially stable. Subsequently, the staff needs to connect two limiting plates 2 with two placement grooves 11 successively, and press down the limiting plates 2, and the limiting plates 2 can be made to move downward, and then the limiting assembly 3 is automatically started to limit the limiting plates 2, so that the limiting plates 2 are stable. At this time, multiple placement grooves 11 between the two limiting plates 2 are connected to each other. The staff needs to connect the placement plate 41 with the placement groove 11, and the closing assembly 4 can be automatically opened to limit the placement plate 41, so that the placement plate 41 is stable. At this time, the upper surface of the placement plate 41 is flush with the upper surface of the bottom support plate 1. Further, the staff needs to place multiple bearing tubes between the two limiting plates 2, and the two limiting plates 2 can block the multiple bearing tubes, so that the bearing tubes are stable, and the probability of damage to the bearing tubes during the sintering process is reduced.

[0039] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A ceramic shaft sintering fixture with uniform heat transfer, comprising a bottom support plate (1), characterized in that: The upper surface of the bottom support plate (1) is provided with a seating groove (11), a limit plate (2) is slidably arranged in the seating groove (11), a limit groove (21) is arranged on the side wall of the limit plate (2), a limit assembly (3) for limiting the limit plate (2) is arranged in the seating groove (11), a first fixing groove (35) is arranged on the inner wall of the seating groove (11), and a closing assembly (4) for closing the seating groove (11) is arranged on the bottom support plate (1).

2. The ceramic shaft sintering fixture with uniform heat transfer according to claim 1, characterized in that: The limiting assembly (3) comprises a limiting rod (31) slidably arranged on the inner wall of the limiting groove (21), a limiting spring (32) with one end fixed on the side wall of the limiting rod (31), and a moving rope (33) with one end fixed on the side wall of the limiting rod (31) close to the limiting spring (32); the other end of the limiting spring (32) is fixed on the inner wall of the limiting groove (21); a limiting hole (34) matching the limiting rod (31) is formed on the inner wall of the placement groove (11); and the other end of the moving rope (33) extends to the outside of the limiting plate (2) and is slidably connected.

3. The ceramic shaft sintering jig with uniform heat transfer according to claim 2, characterized in that: A first inclined surface (5) is provided on the edge where the bottom surface of the limiting rod (31) intersects with the side wall thereof away from the limiting spring (32).

4. The ceramic shaft sintering jig with uniform heat transfer according to claim 3, characterized in that: The closing component (4) comprises a placement plate (41) arranged in the placement groove (11), and two opposite side walls of the placement plate (41) are each provided with a second fixing groove (411). The closing component (4) further comprises a fixing plate (42) slidably arranged in the second fixing groove (411), a compression spring (43) having one end fixed to the side wall of the fixing plate (42) away from the first fixing groove (35), and a connecting rope (44) having one end fixed to the side wall of the fixing plate (42) close to the fixing spring, the other end of the connecting rope (44) extending to the outside of the placement plate (41) and being slidably connected, the other end of the compression spring (43) being fixed to the inner wall of the second fixing groove (411) away from the first fixing groove (35), and a second inclined surface (45) being provided on the edge where the bottom surface of the fixing plate (42) intersects with the side wall thereof away from the compression spring (43).

5. The ceramic shaft sintering jig with uniform heat transfer according to claim 4, characterized in that: A stopper (6) is fixed to the end of the connecting rope (44), and the connecting rope (44) is a connecting rope (44) made of a rubber band.

6. The ceramic shaft sintering jig with uniform heat transfer according to claim 5, characterized in that: Support grooves (61) for supporting the placement plate (41) are provided on two opposite inner walls of the placement groove (11).

7. The ceramic shaft sintering jig with uniform heat transfer according to claim 6, characterized in that: The bottom surface of the placement plate (41) is provided with a T-shaped block (7), and the upper surface of the limiting plate (2) is provided with a T-shaped groove (71) that matches the T-shaped block (7).

8. The ceramic shaft sintering jig with uniform heat transfer according to claim 7, characterized in that: A driving block (8) is slidably disposed on the side wall of the limiting plate (2), and the driving block (8) and an end of the moving rope (33) away from the limiting rod (31) are fixed to each other.

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