Hot-pressing sintering furnace for manufacturing diamond saw blade

By designing a support and rotation device, the problem of low heating efficiency caused by the overlapping of diamond saw blades during sintering was solved, achieving uniform heating and efficient sintering of the diamond saw blades.

CN224018789UActive Publication Date: 2026-03-20JIANGXI ZHONGLI SUPERHARD TOOLS CO LTD
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Patent Information

Application Number
CN202521026652.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-23
Publication Date
2026-03-20
Estimated Expiration
2035-05-23

AI Technical Summary

Technical Problem

Traditional diamond saw blades are stacked on top of each other during sintering, resulting in low heating efficiency for the middle diamond saw blade, which affects sintering efficiency and quality.

Method used

The system employs a support device and a rotating device. The support device supports the diamond saw blade through a support rod and a spring, while the rotating device drives the diamond saw blade to rotate through a motor, which in turn drives the gears and gear rings to ensure that there are gaps between the diamond saw blades and that they are heated evenly.

Benefits of technology

This improves the sintering efficiency and quality of diamond saw blades, avoids the problem of slow heating caused by the stacking of adjacent saw blades, and ensures uniform heating.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hot-pressing sintering furnace for manufacturing diamond saw blades, which belongs to the technical field of sintering and comprises a sintering furnace main body, the bottom of the sintering furnace main body is connected with a bottom box, a rotating device is arranged in the sintering furnace main body, a supporting device is arranged at the top of the rotating device, and the supporting device comprises a supporting rod. A plurality of movable grooves are formed in the supporting rod, and supporting blocks are slidably connected into the movable grooves. According to the diamond saw blade supporting device, the supporting rod slides into the hole in the diamond saw blade, then the diamond saw blade is continuously pressed downwards, the inner hole of the diamond saw blade extrudes the supporting block, the supporting block contracts inwards and extrudes the spring, and after the diamond saw blade moves to the needed position, the supporting block at the bottom of the fixed position supports the diamond saw blade; and a gap is formed between every two adjacent diamond saw blades, so that the situation that the sintering efficiency is affected due to slow internal heating caused by mutual stacking of the two adjacent diamond saw blades is avoided.
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Description

Technical Field

[0001] This utility model belongs to the field of sintering technology, and in particular relates to a hot pressing sintering furnace for manufacturing diamond saw blades. Background Technology

[0002] Diamond saw blades are cutting tools widely used in the processing of hard and brittle materials such as concrete, refractory materials, stone, and ceramics. Diamond saw blades are mainly composed of a matrix and a cutting head. Diamond saw blade sintering is divided into two types: cold pressing sintering and hot pressing sintering.

[0003] Chinese utility model application No. 202021934436.5 discloses a hot-press sintering furnace for manufacturing diamond saw blades, belonging to the technical field of diamond saw blade production equipment. It includes a base, a furnace shell, and an intermediate cover. The base has an annular groove filled with sealing sand. The furnace shell is cylindrical and open at both ends, with heating elements on its inner wall. The furnace shell is placed on the base. The intermediate cover includes a cylindrical body with an open bottom and an arc-shaped cap at the top. The edge of the arc-shaped cap extends to one side to form an annular connecting part, which is welded to the cylindrical body to form the intermediate cover. The intermediate cover is used to seal the diamond saw blades and is located inside the furnace shell. The bottom end of the cylindrical body is located in the annular groove, forming a sealed hot-press sintering cavity. However, in actual use, during sintering, the diamond saw blades are stacked together, resulting in the intermediate diamond saw blades not being properly heated, thus affecting the sintering efficiency and quality of the diamond saw blades. Utility Model Content

[0004] The purpose of this invention is to solve the problem of low heating efficiency of the middle diamond saw blade due to the overlapping of diamond saw blades during sintering, and to propose a hot pressing sintering furnace for manufacturing diamond saw blades.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a hot pressing sintering furnace for manufacturing diamond saw blades, comprising a sintering furnace body, a bottom box connected to the bottom of the sintering furnace body, a rotating device provided inside the sintering furnace body, and a supporting device provided on the top of the rotating device, the supporting device comprising a supporting rod, a plurality of movable grooves opened inside the supporting rod, a supporting block slidably connected inside the movable groove, two springs connected to one side of the supporting block, the other end of the springs connected to one side of the inner wall of the movable groove, and extrusion inclined surfaces provided on both sides of the supporting block.

[0006] As a further description of the above technical solution:

[0007] Two fixing slots are provided on one side of the support block, and a fixing rod is slidably connected in the fixing slot. The other end of the fixing rod is connected to one side of the inner wall of the movable slot, and a spring is sleeved on the outside of the fixing rod.

[0008] As a further description of the above technical solutions:

[0009] The rotating device comprises a motor and a plurality of rotating plates, the motor output shaft is connected with a driving wheel, the outer wall of the driving wheel is engaged with a driven wheel, the top of the driven wheel is connected with a rotating rod, a plurality of connecting grooves are formed in the top of the rotating plate, the inner wall of the connecting groove is rotationally connected with a supporting block, the bottom of the supporting block is connected with a gear, a rotating groove is formed in the bottom of the connecting groove, a side groove is formed in the outer wall of the rotating plate, the inner wall of the side groove is slidably connected with an internal gear ring, and the outer wall of the internal gear ring is connected with a plurality of connecting blocks.

[0010] As a further description of the above technical solutions:

[0011] The side of the connecting block is connected with the inner wall of the sintering furnace body, and the top of the supporting block is connected with the bottom of the supporting rod.

[0012] As a further description of the above technical solutions:

[0013] The connecting groove is formed between the outer wall of the rotating groove and the inner wall of the side groove, the bottom of the gear is rotationally connected with the bottom of the rotating groove, and the outer wall of the gear is engaged with the inner wall of the internal gear ring.

[0014] As a further description of the above technical solutions:

[0015] The bottom of the motor is fixedly installed with the bottom of the inner wall of the bottom box, the top of the rotating rod penetrates through the top of the bottom box and extends into the sintering furnace body, the outer wall of the rotating rod penetrates through one side of the rotating plate, and the top of the rotating rod is rotationally connected with the top of the inner wall of the sintering furnace body.

[0016] As a further description of the above technical solutions:

[0017] The two sides of the inner wall of the sintering furnace body are provided with heating assemblies, and one side of the heating assembly is communicated with an external pipe, and the other end of the external pipe extends out of the sintering furnace body.

[0018] As described above, due to the adoption of the above technical solutions, the beneficial effects of the present application are:

[0019] 1、In the utility model, through setting up the supporting device, the hole in the diamond saw blade is slid into the supporting rod, then the diamond saw blade is continuously pressed down, the hole in the diamond saw blade extrudes the supporting block, the supporting block is inwards contracted and extrudes the spring, when the diamond saw blade moves to the required position, the diamond saw blade is supported by the supporting block at the bottom of the fixed position, the gap exists between two adjacent diamond saw blades, so that the diamond saw blades are not overlapped, the internal heat is slow, and the sintering efficiency is affected.

[0020] 2. The utility model discloses, through the rotation device is set up, through motor drive driving wheel rotation, driving wheel drive rotary rod rotation, rotary rod drive rotation board rotation, rotation board drive support block rotation to make support block drive bottom gear rotation, make gear rotate in the inner tooth ring inner wall, through the meshing, make gear drive support block rotation, support block drive top diamond saw blade rotation, make diamond saw blade more evenly when heating, lead to sintering quality. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 A three-dimensional structure schematic diagram of a hot-pressing sintering furnace for manufacturing diamond saw blades is provided for the utility model.

[0022] Figure 2 A rotation device structure schematic diagram of a hot-pressing sintering furnace for manufacturing diamond saw blades is provided for the utility model.

[0023] Figure 3 A rotation board cross section structure schematic diagram of a hot-pressing sintering furnace for manufacturing diamond saw blades is provided for the utility model.

[0024] Figure 4 A support device structure schematic diagram of a hot-pressing sintering furnace for manufacturing diamond saw blades is provided for the utility model.

[0025] Legend: 1, sintering furnace main part, 2, bottom box, 3, external connection pipe, 4, rotation device, 401, rotary rod, 402, rotation board, 403, driven wheel, 404, driving wheel, 405, motor, 406, inner tooth ring, 407, support block, 408, gear, 409, connecting block, 410, side groove, 411, connecting groove, 412, rotation groove, 413, connecting groove, 5, support device, 501, support rod, 502, movable groove, 503, support block, 504, fixed rod, 505, fixed groove, 506, spring. DETAILED DESCRIPTION

[0026] 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, not 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 scope of protection of the utility model.

[0027] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of hot-pressing sintering furnace for making diamond saw blade, including sintering furnace main body 1, sintering furnace main body 1 bottom is connected with bottom box 2, rotating device 4 is equipped in sintering furnace main body 1, and rotating device 4 top is equipped with support device 5, support device 5 includes support rod 501, multiple movable grooves 502 are opened in support rod 501, support block 503 is slidably connected in movable groove 502, two springs 506 are connected in support block 503 side, spring 506 other end is connected with movable groove 502 inner wall side, extrusion bevel is equipped in the both sides of support block 503, two fixed slots 505 are opened in support block 503 side, and fixed rod 504 is slidably connected in fixed slot 505, and fixed rod 504 other end is connected with movable groove 502 inner wall side, and spring 506 is sleeved in fixed rod 504 outer, heating assembly is equipped in the both sides of sintering furnace main body 1, and heating assembly side is communicated with external pipe 3, and external pipe 3 other end extends sintering furnace main body 1 outside.

[0028] Specifically, by setting support device 5, by aligning the inner hole in diamond saw blade with support rod 501, then pressing diamond saw blade downward, the inner hole of diamond saw blade extrudes the bevel on one side of support block 503, so that support block 503 is forced to shrink inward and extrude spring 506, by setting fixed rod 504 to support spring 506, avoid bending when spring 506 is compressed to affect the rebound effect of spring 506, when diamond saw blade moves to the required position, support block 503 at the bottom of the fixed position supports diamond saw blade, so that there is a gap between two adjacent diamond saw blades, thereby avoiding the mutual superposition of two adjacent diamond saw blades to cause slow internal heating, thereby affecting sintering efficiency, by setting that the bottom of support block 503 is also provided with a bevel, the support block 503 is retracted by extruding the bevel when taking out the diamond saw blade, thereby taking out the diamond saw blade, by setting that sintering furnace main body 1 is provided with heating assembly, and heating assembly side is communicated with external pipe 3, and external pipe 3 other end is communicated with gas cylinder, this technology is prior art, and does not need to be described in detail.

[0029] The rotating device 4 comprises a motor 405 and a plurality of rotating plates 402, the output shaft of the motor 405 is connected with a driving wheel 404, the outer wall of the driving wheel 404 is engaged with a driven wheel 403, the top of the driven wheel 403 is connected with a rotating rod 401, a plurality of connecting grooves 411 are formed in the top of the rotating plate 402, a supporting block 407 is rotatably connected to the inner wall of the connecting groove 411, and the bottom of the supporting block 407 is connected with a gear 408, a rotating groove 412 is formed in the bottom of the connecting groove 411, a side groove 410 is formed in the outer wall of the rotating plate 402, and an inner tooth ring 406 is slidably connected to the inner wall of the side groove 410, a plurality of connecting blocks 409 are connected to the outer wall of the inner tooth ring 406, one side of the connecting block 409 is connected with the inner wall of the sintering furnace body 1, the top of the supporting block 407 is connected with the bottom of the supporting rod 501, a connecting groove 413 is formed between the outer wall of the rotating groove 412 and the inner wall of the side groove 410, the bottom of the gear 408 is rotatably connected with the bottom of the rotating groove 412, the outer wall of the gear 408 is engaged with the inner wall of the inner tooth ring 406, the bottom of the motor 405 is fixedly installed with the bottom of the inner wall of the bottom box 2, the top of the rotating rod 401 penetrates through the top of the bottom box 2 and extends into the sintering furnace body 1, the outer wall of the rotating rod 401 penetrates through one side of the rotating plate 402, and the top of the rotating rod 401 is rotatably connected with the top of the inner wall of the sintering furnace body 1.

[0030] Specifically, by arranging the rotating device 4, the motor 405 drives the driving wheel 404 to rotate, the driving wheel 404 drives the driven wheel 403 to rotate, the driven wheel 403 drives the rotating rod 401 to rotate, the rotating rod 401 drives the rotating plate 402 to rotate, the rotating plate 402 drives the supporting block 407 of the connecting groove 411 to rotate, so that the supporting block 407 drives the gear 408 at the bottom to rotate in a circle, the gear 408 rotates in the inner wall of the inner tooth ring 406, and the gear 408 drives the supporting block 407 to rotate through engagement, the supporting block 407 drives the diamond saw blade at the top to rotate, so that the diamond saw blade is more uniform when heated, resulting in sintering quality, by arranging the bottom box 2, the motor 405, the driving wheel 404 and the driven wheel 403 are protected, and damage caused by long-time sintering of the motor 405, the driving wheel 404 and the driven wheel 403 is avoided.

[0031] Working principle: when in use, align the inner hole of the diamond saw blade with the top of the supporting rod 501, then press the diamond saw blade downward, so that the inner hole of the diamond saw blade extrudes the supporting block 503, so that the supporting block 503 moves inward and extrudes the spring 506, when the diamond saw blade moves between the two supporting blocks 503, the diamond saw blade is supported and limited by the upper and lower supporting blocks 503, so as to avoid the mutual adhesion of two adjacent diamond saw blades, which causes slow heating in the middle and affects the sintering efficiency, when the diamond saw blade is installed, the motor 405 drives the driven wheel 403 to rotate through the driving wheel 404, and then the driven wheel 403 drives the rotating rod 401 to rotate, the rotating rod 401 drives the rotating plate 402 to rotate, the rotating plate 402 drives the supporting block 407 to rotate, the supporting block 407 drives the gear 408 to rotate, so that the gear 408 moves in the inner wall of the inner tooth ring 406, and then the gear 408 drives the supporting block 407 to rotate, the supporting block 407 drives the diamond saw blade on the outer wall of the supporting rod 501 to rotate in a large range, so as to ensure that the diamond saw blade is heated uniformly and the sintering quality is guaranteed.

[0032] In the present application, the terms "first", "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance; the term "a plurality of" refers to two or more, unless otherwise explicitly limited. The terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, "connecting" can be fixed connection, can also be detachable connection, or integrally connected; "connected" can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances;

[0033] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A hot pressing sintering furnace for manufacturing diamond saw blades, comprising a sintering furnace body (1), characterized in that, The bottom of the sintering furnace body (1) is connected to a bottom box (2). The sintering furnace body (1) is provided with a rotating device (4), and the top of the rotating device (4) is provided with a support device (5). The support device (5) includes a support rod (501). Multiple movable grooves (502) are opened in the support rod (501). A support block (503) is slidably connected in the movable groove (502). Two springs (506) are connected to one side of the support block (503). The other end of the spring (506) is connected to one side of the inner wall of the movable groove (502). Both sides of the support block (503) are provided with extrusion slopes.

2. The hot pressing sintering furnace for manufacturing diamond saw blades according to claim 1, characterized in that, Two fixing grooves (505) are opened on one side of the support block (503), and a fixing rod (504) is slidably connected in the fixing groove (505). The other end of the fixing rod (504) is connected to one side of the inner wall of the movable groove (502), and a spring (506) is sleeved on the outside of the fixing rod (504).

3. A hot pressing sintering furnace for manufacturing diamond saw blades according to claim 1, characterized in that, The rotating device (4) includes a motor (405) and multiple rotating plates (402). The output shaft of the motor (405) is connected to a drive wheel (404). A driven wheel (403) meshes with the outer wall of the drive wheel (404). A rotating rod (401) is connected to the top of the driven wheel (403). Multiple connecting grooves (411) are opened on the top of the rotating plate (402). A support block (407) is rotatably connected to the inner wall of the connecting groove (411). A gear (408) is connected to the bottom of the support block (407). A rotating groove (412) is opened at the bottom of the connecting groove (411). A side groove (410) is opened on the outer wall of the rotating plate (402). An internal gear ring (406) is slidably connected to the inner wall of the side groove (410). Multiple connecting blocks (409) are connected to the outer wall of the internal gear ring (406).

4. A hot pressing sintering furnace for manufacturing diamond saw blades according to claim 3, characterized in that, One side of the connecting block (409) is connected to the inner wall of the sintering furnace body (1), and the top of the support block (407) is connected to the bottom of the support rod (501).

5. A hot pressing sintering furnace for manufacturing diamond saw blades according to claim 3, characterized in that, A connecting groove (413) is provided between the outer wall of the rotating groove (412) and the inner wall of the side groove (410), and the bottom of the gear (408) is rotatably connected to the bottom of the rotating groove (412), and the outer wall of the gear (408) meshes with the inner wall of the inner gear ring (406).

6. A hot pressing sintering furnace for manufacturing diamond saw blades according to claim 3, characterized in that, The bottom of the motor (405) is fixedly installed on the bottom of the inner wall of the bottom box (2), and the top of the rotating rod (401) passes through the top of the bottom box (2) and extends into the sintering furnace body (1). The outer wall of the rotating rod (401) passes through one side of the rotating plate (402), and the top of the rotating rod (401) is rotatably connected to the top of the inner wall of the sintering furnace body (1).

7. A hot pressing sintering furnace for manufacturing diamond saw blades according to claim 1, characterized in that, Heating components are provided on both sides of the inner wall of the sintering furnace body (1), and an external pipe (3) is connected to one side of the heating component. The other end of the external pipe (3) extends out of the sintering furnace body (1).

Citation Information

Patent Citations

  • Hot pressing sintering furnace for manufacturing diamond saw blade

    CN213135045U