Adjustable positioning charging tool
By using the adjustable positioning tooling for loading the furnace, the problem of misalignment of the graphite disc layers is solved, enabling rapid assembly and disassembly of the graphite discs and uniform stress distribution, thus avoiding damage to the graphite discs and scrapping of the products under high temperature and high pressure.
Patent Information
- Application Number
- CN202423229725.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-26
AI Technical Summary
During the sintering process of powder metallurgy products, misalignment between graphite disk layers can lead to uneven stress on the products under high temperature and pressure, which may cause graphite disks to break and the entire furnace of products to collapse, resulting in economic losses.
An adjustable positioning loading fixture is adopted, including a tilting plate positioning fixture mechanism and a position marker assembly. Through components such as threaded connecting shafts, positioning plates, T-shaped concentric pressure plates and concentric plates, the graphite plates are ensured to be concentrically aligned, avoiding damage caused by shearing forces.
It enables rapid disassembly and height adjustment of the graphite disc, ensuring uniform stress on the products, preventing graphite disc breakage and collapse of the entire furnace, and reducing economic losses.
Smart Images
Figure CN223572013U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a furnace loading tool technical field, especially in an adjustable positioning furnace loading tool. BACKGROUND
[0002] Powder metallurgy products need to be placed in a high-temperature and high-pressure pressurized furnace during sintering, and the sintered products need to be placed on graphite trays, and the graphite trays are stacked layer by layer to the effective height of the pressurized furnace, and all the graphite trays must be concentric.
[0003] During the sintering of powder metallurgy products, if the layers of sintered products are not aligned, the upper and lower layers are misaligned, the products are subjected to different forces under high temperature and high pressure, shear force is formed on the graphite tray, the graphite tray is broken, and the whole furnace product collapses, which leads to the scrapping of the whole furnace product and causes economic losses. SUMMARY
[0004] The utility model aims at providing an adjustable positioning furnace loading tool to solve at least any problem in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an adjustable positioning furnace loading tool, comprising a tray positioning tool mechanism and a position marker assembly, the tray positioning tool mechanism comprising a tray tool assembly and a pointing assembly;
[0006] The tray tool assembly comprises a threaded connection shaft, a positioning plate, a T-shaped concentric pressure bearing plate, a concentric plate, seven nuts and two graphite trays, a center hole is formed in the middle of the top of each graphite tray, the outer diameter of the protruding part of the T-shaped concentric pressure bearing plate matches the center hole of the graphite tray, the outer diameter of the T-shaped part of the T-shaped concentric pressure bearing plate is larger than the center hole of the graphite tray, first through holes are formed in the middle of the top of the positioning plate, the T-shaped concentric pressure bearing plate and the concentric plate, the positioning plate, the T-shaped concentric pressure bearing plate and the concentric plate are sequentially sleeved on the threaded connection shaft through the first through holes, one nut is arranged on the top and the bottom of the positioning plate, the T-shaped concentric pressure bearing plate and the concentric plate, and the nut is threadedly connected with the threaded connection shaft, another nut is threadedly connected at a position close to the top of the threaded connection shaft, the outer diameter of the concentric plate matches the center hole of the graphite tray, and the concentric plate is placed in the center hole of one of the graphite trays, another graphite tray is arranged below the T-shaped concentric pressure bearing plate, the protruding part is inserted into the center hole of the graphite tray, and a second through hole is formed in the position close to the top of the threaded connection shaft above the highest nut;
[0007] The pointing assembly is movably arranged in the second through hole, and the position marker assembly is arranged on one side of the pointing assembly.
[0008] Preferably, the pointing assembly comprises a pointing rod, the pointing rod is movably inserted into the second through hole, one end of the pointing rod is inserted into the second through hole by one third of the length, and the longer end of the pointing rod points to the position marker assembly after being inserted into the second through hole.
[0009] Preferably, the position marker assembly comprises a base and a marker, one end of the marker is provided with a threaded ring, a threaded hole matched with the threaded ring of the marker is arranged at the middle position of the top wall of the base, and the threaded ring is threadedly connected with the threaded hole.
[0010] Preferably, a circular lightening groove is arranged on the top wall of the positioning plate.
[0011] Preferably, the positioning plate is a polygonal plate, and products are placed on the top wall of the graphite disc corresponding to each side of the positioning plate.
[0012] Preferably, the outer diameter of the protruding part of the T-shaped concentric pressure bearing plate is the same as the outer diameter of the concentric plate.
[0013] The utility model discloses the beneficial effects are as follows:
[0014] 1. The positioning plate, the T-shaped concentric pressure bearing plate and the concentric plate can be quickly assembled and disassembled from the threaded connecting shaft by screwing out the corresponding nut, so that the positioning plate, the T-shaped concentric pressure bearing plate and the concentric plate are convenient to disassemble and assemble, convenient to place, can be repeatedly used, the height of the positioning tool can be adjusted according to the size of the product, and only different positioning plates need to be replaced, so that the tool has small volume and low manufacturing cost.
[0015] 2. The concentric plate and the T-shaped concentric pressure bearing plate are used for aligning and limiting the center holes of the two adjacent graphite discs, so that all the graphite discs are concentric, the products are placed in the same position and are aligned up and down, the products are uniformly stressed under high temperature and high pressure, the shear force on the graphite disc is avoided, the graphite disc is prevented from being broken, the problem that the whole furnace product collapses due to the broken graphite disc is solved, the potential risk that the whole furnace product is scrapped is eliminated, and economic loss is reduced. DRAWINGS
[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0017] Figure 2 It is a three-dimensional structure schematic view of the utility model;
[0018] Figure 3 It is a three-dimensional structure schematic view of the utility model;
[0019] Figure 4 It is a three-dimensional structure schematic view of the utility model;
[0020] Figure 5 It is a three-dimensional structure schematic view of the utility model.
[0021] In the figure: 1, index rod; 2, threaded connecting shaft; 3, product; 4, graphite disc; 5, concentric plate; 6, nut; 7, positioning plate; 8, base; 9, marker rod; 10, T-shaped concentric pressure plate; 11, circular lightening groove; 12, first through hole; 13, center hole; 14, second through hole; 15, threaded ring; 16, threaded hole. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] The utility model provides a kind of adjustable positioning furnace loading tool as Figures 1-5 As shown in a kind of adjustable positioning furnace loading tool, including swing disc positioning tool mechanism and position marker rod assembly, the swing disc positioning tool mechanism includes swing disc tool assembly and pointing component;
[0024] Swing disc tool assembly includes threaded connecting shaft 2, positioning plate 7, T-shaped concentric pressure plate 10, concentric plate 5, seven nuts 6 and two graphite discs 4, the center hole 13 is formed in the top middle of two graphite discs 4, the outer diameter of the protruding portion of T-shaped concentric pressure plate 10 matches the center hole 13 of graphite disc 4, the outer diameter of T-shaped portion of T-shaped concentric pressure plate 10 is greater than the center hole 13 of graphite disc 4, the first through hole 12 is formed in the top middle position of positioning plate 7, T-shaped concentric pressure plate 10 and concentric plate 5, positioning plate 7, T-shaped concentric pressure plate 10 and concentric plate 5 are sequentially sleeved on threaded connecting shaft 2 from one end of threaded connecting shaft 2 by first through hole 12, the top and bottom of positioning plate 7, T-shaped concentric pressure plate 10 and concentric plate 5 are each provided with a nut 6, and the nut 6 is threadedly connected with threaded connecting shaft 2, and the other nut 6 is threadedly connected at the position close to the top of threaded connecting shaft 2, the outer diameter of concentric plate 5 matches the center hole 13 of graphite disc 4, and concentric plate 5 is placed in the center hole 13 of one of graphite disc 4, the other graphite disc 4 is arranged below T-shaped concentric pressure plate 10, and the protruding portion is inserted into the center hole 13 of graphite disc 4, and the second through hole 14 is formed in the position close to the top of threaded connecting shaft 2 above the highest nut 6.
[0025] Pointing component is movably arranged in second through hole 14, and position marker rod assembly is arranged on one side of pointing component.
[0026] When the product 3 needs to be placed, first, the threaded ring 15 at one end of the marker 9 is screwed into the threaded hole 16 on the base 8 to complete the assembly of the position marker assembly, then the position marker assembly is placed beside the pressurized furnace base (the position marker assembly is fixed and cannot be removed until the pressurized furnace is completed), then the positioning plate 7, the T-shaped concentric pressure bearing plate 10 and the concentric plate 5 are sequentially arranged on the threaded connection shaft 2 through the first through hole 12, and the nuts 6 corresponding to the top and bottom of the positioning plate 7, the T-shaped concentric pressure bearing plate 10 and the concentric plate 5 are tightened in the middle to fix the positioning plate 7, the T-shaped concentric pressure bearing plate 10 and the concentric plate 5, then the index rod 1 is inserted into the second through hole 14, and the corresponding nut 6 below the index rod 1 is tightened to press the index rod 1 and fix the index rod 1, the assembly of the disc placing tool is completed, then the disc placing tool is placed, the long end of the index rod 1 is aligned with the position marker, the concentric plate 5 is placed into the center hole 13 of the first layer of graphite disc 4, the concentric plate 5 is matched with the center hole 13, the height of the T-shaped concentric pressure bearing plate 10 is adjusted, the T-shaped concentric pressure bearing plate 10 is placed into the center hole 13 of the second layer of graphite disc 4, and the concentricity of the two layers of graphite disc 4 is ensured, then the height of the positioning plate 7 (the positioning plate 7 is a multi-sided plate, and the number of sides is determined according to the number of products 3 to be placed) is adjusted according to the height of the product 3, the product 3 is respectively aligned with the several sides of the positioning plate 7, after one layer of placement is completed, the disc placing tool is taken out, the next layer of graphite disc 4 is placed, and the disc placing tool is placed again without adjusting the height of the tool, the long end of the index rod 1 is aligned with the position marker, the concentric plate 5 and the T-shaped concentric pressure bearing plate 10 are respectively inserted into the center hole 13 of the lower layer and the disc layer of graphite disc 4, then the product 3 is respectively aligned with the several sides of the positioning plate 7, and the disc placing tool is repeatedly placed to place the product 3 until the disc placing is completed.
[0027] The pointing assembly comprises an index rod 1, the index rod 1 is movably inserted into the second through hole 14, one end of the index rod 1 is inserted into the second through hole 14 to one third of the length, and the longer end of the index rod 1 points to the position marker assembly after being inserted into the second through hole 14. The position marker assembly comprises a base 8 and a marker 9, one end of the marker 9 is provided with a threaded ring 15, the middle position of the top wall of the base 8 is provided with a threaded hole 16 matched with the threaded ring 15 on the marker 9, and the threaded ring 15 is threadedly connected with the threaded hole 16.
[0028] First, the threaded ring 15 at one end of the marker 9 is screwed into the threaded hole 16 on the base 8 to complete the assembly of the position marker assembly, then the position marker assembly is placed beside the pressurized furnace base, the index rod 1 is inserted into the second through hole 14, when the index rod 1 is inserted to one third of the position, the insertion is stopped, the uppermost nut 6 is screwed to press the index rod 1 and fix the index rod 1 in the second through hole 14, and then the long end of the index rod 1 is aligned with the position marker to complete the pointing.
[0029] The top wall of the positioning plate 7 is provided with a circular lightening groove 11.
[0030] The opening of the circular lightening groove 11 neither affects the normal use of the positioning plate 7, nor reduces the weight of the positioning plate 7 itself, so that the threaded connection shaft 2 is more stable during use, and the positioning plate 7 will not shake or deviate due to the excessive weight.
[0031] The positioning plate 7 is a polygonal plate, and the graphite disc 4 on the top wall of each side of the positioning plate 7 is placed with the product 3.
[0032] The positioning plate 7 can be produced in various edge numbers and specifications, and is convenient to replace and meets different placing requirements according to actual use conditions.
[0033] The outer diameter of the protruding part of the T-shaped concentric pressure bearing plate 10 is the same as the outer diameter of the concentric plate 5.
[0034] The concentric plate 5 is placed in the center hole 13 of the first layer of graphite disc 4, and the protruding part of the T-shaped concentric pressure bearing plate 10 can be inserted into the center hole 13 of the second layer of graphite disc 4, so as to ensure the concentricity of the two layers of graphite disc 4.
[0035] Finally, it should be pointed out that the above description is only the preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. An adjustable positioning furnace loading fixture, characterized in that: It includes a plate-positioning fixture mechanism and a position marker assembly, wherein the plate-positioning fixture mechanism includes a plate-positioning fixture assembly and a pointing assembly; The tray-mounting fixture assembly includes a threaded connecting shaft (2), a positioning plate (7), a T-shaped concentric pressure plate (10), a concentric plate (5), seven nuts (6), and two graphite discs (4). Each of the two graphite discs (4) has a central hole (13) at the top center. The outer diameter of the protruding portion of the T-shaped concentric pressure plate (10) matches the central hole (13) of the graphite disc (4). The outer diameter of the T-shaped portion of the T-shaped concentric pressure plate (10) is larger than the central hole (13) of the graphite disc (4). A first through hole (12) is provided at the top center of each of the positioning plate (7), the T-shaped concentric pressure plate (10), and the concentric plate (5). The positioning plate (7), the T-shaped concentric pressure plate (10), and the concentric plate (5) pass sequentially through the first through hole (12) from the threaded connecting shaft (2). One end is fitted onto the threaded connecting shaft (2). The top and bottom of the positioning plate (7), the T-shaped concentric bearing plate (10) and the concentric plate (5) are each provided with a nut (6) and the nut (6) is threadedly connected to the threaded connecting shaft (2). Another nut (6) is threadedly connected to the threaded connecting shaft (2) near the top. The outer diameter of the concentric plate (5) matches the center hole (13) of the graphite disk (4) and the concentric plate (5) is placed in the center hole (13) of one of the graphite disks (4). The other graphite disk (4) is set below the T-shaped concentric bearing plate (10) and the protruding part is inserted into the center hole (13) of the graphite disk (4). A second through hole (14) is opened on the threaded connecting shaft (2) above the highest nut (6) near the top. The pointing component is movably disposed within the second through hole (14), and the position marker component is disposed on one side of the pointing component.
2. The adjustable positioning furnace loading fixture according to claim 1, characterized in that: The pointing component includes an indicator rod (1), which is movably inserted into the second through hole (14). One end of the indicator rod (1) is inserted into the second through hole (14) by one-third of its length, and the longer end of the indicator rod (1) after being inserted into the second through hole (14) points to the position indicator component.
3. The adjustable positioning furnace loading fixture according to claim 1, characterized in that: The position marker assembly includes a base (8) and a marker (9). One end of the marker (9) is provided with a threaded ring (15). The middle position of the top wall of the base (8) is provided with a threaded hole (16) that matches the threaded ring (15) on the marker (9), and the threaded ring (15) is threadedly connected to the threaded hole (16).
4. The adjustable positioning furnace loading fixture according to claim 1, characterized in that: The top wall of the positioning plate (7) is provided with a circular light-reducing groove (11).
5. The adjustable positioning furnace loading fixture according to claim 1, characterized in that: The positioning plate (7) is a polygonal plate, and each side of the positioning plate (7) has a product (3) placed on the top wall of the graphite disk (4).
6. The adjustable positioning furnace loading fixture according to claim 1, characterized in that: The outer diameter of the protruding part of the T-shaped concentric bearing plate (10) is the same as the outer diameter of the concentric plate (5).