White corundum superfine powder abrasive grinding wheel sintering device

Abstract

The utility model relates to a sintering device for a white corundum superfine powder abrasive grinding wheel, and effectively solves the problems that in the sintering process of the existing white corundum superfine powder abrasive grinding wheel, the accurate control difficulty of the temperature is large, the sintering temperature of white corundum ceramics is generally between 1700 DEG C and 1850 DEG C, and the specific temperature needs to be determined according to product performance requirements, however, the sintering cost is high. The problems that an existing sintering device is difficult to achieve accurate regulation and control in a whole sintering area, then the situation that temperature fluctuation is large easily occurs in the sintering area, the densification degree of a grinding wheel is affected, the inner structure of the grinding wheel is possibly uneven, and then the overall performance and the service life of the grinding wheel are affected are solved. According to the sintering device for the white corundum superfine powder abrasive grinding wheel, by means of matched rotation of the supporting plate and the rotating disc, the grinding wheel above can be driven to rotate at the constant speed in different directions, then the grinding wheel can be heated more evenly in a sintering area, and a better sintering effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the grinding wheel sintering technical field, concretely relates to a kind of white corundum ultrafine powder abrasive grinding wheel sintering device. BACKGROUND

[0002] White corundum ultrafine powder abrasive grinding wheel plays an indispensable role in the material processing and surface treatment of many industries such as machinery, automobile, aerospace, etc. with its high hardness, good wear resistance, strong thermal stability and other outstanding features. With the rapid development of modern industry, the requirements for processing precision and surface quality of various industries are increasing, and higher requirements for the performance of white corundum ultrafine powder abrasive grinding wheel are also put forward. As a key link to determine the performance of grinding wheel, the advantages and disadvantages of sintering process directly affect the quality and service life of grinding wheel.

[0003] In the existing white corundum ultrafine powder abrasive grinding wheel sintering process, it is difficult to accurately control the temperature. The firing temperature of white corundum ceramic is generally between 1700℃ and 1850℃, and the specific temperature needs to be determined according to the performance requirements of the product. However, the current sintering device is difficult to achieve accurate control in the whole sintering area, and the temperature fluctuation in the sintering area is large, which not only affects the densification degree of the grinding wheel, but also may cause uneven internal structure of the grinding wheel, thereby affecting its overall performance and service life. UTILITY MODEL CONTENTS

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a white corundum ultrafine powder abrasive grinding wheel sintering device. The white corundum ultrafine powder abrasive grinding wheel sintering device can drive the upper grinding wheel to rotate uniformly in different directions by the cooperation of the support plate and the turntable, so as to make the grinding wheel heat more uniformly in the sintering area, and thus achieve better sintering effect.

[0005] A white corundum ultrafine powder abrasive grinding wheel sintering device, comprising a support seat, a partition plate fixedly connected to the top of the support seat, a cover plate fixedly connected to the top of the partition plate, a supporting plate rotatably connected to the middle of the top of the support seat, a positioning rod threadedly connected to the top of the supporting plate, a support plate sleeved on the outer surface of the positioning rod, a positioning groove formed in the top of the support plate, a protective plate connected to the top of the support plate through bolts, a turntable rotatably connected to the top of the protective plate, a protective door hingedly connected to one side of the outer surface of the partition plate, and heating wires fixedly installed on the inner side walls of the partition plate and the protective door.

[0006] Preferably, the bottom of the supporting plate is fixedly provided with a first driven gear, the outer surface of the first driven gear is engaged with a first driving gear, the bottom of the supporting seat is fixedly provided with a first motor, the output end of the first motor is connected with the bottom of the first driving gear through a key, and the four corners of the bottom of the supporting plate are fixedly provided with auxiliary wheels.

[0007] Preferably, the four corners of the inner wall of the positioning groove are rotatably connected with second driven gears, and the bottom of the rotating disc is connected with the top of the second driven gears through a key.

[0008] Preferably, the middle of the top of the rotating disc is fixedly connected with a limiting rod, and the outer surface of the limiting rod is threadedly connected with a compression ring.

[0009] Preferably, the middle of the top of the protective plate is fixedly connected with a sleeve, and the inner wall of the sleeve is rotatably connected with a transmission shaft.

[0010] Preferably, the middle of the top of the cover plate is fixedly provided with a second motor, the output end of the second motor is connected with the top end of the transmission shaft through a key, one end of the transmission shaft penetrating into the positioning groove is connected with a second driving gear through a key, and the outer surface of the second driving gear is engaged with the outer surface of the second driven gear.

[0011] Preferably, the outer surface of the protective door is connected with a lock catch through a rotating shaft, and the outer surface of the partition plate is fixedly connected with a clamping block matched with the lock catch.

[0012] The above technical scheme has the beneficial effects of:

[0013] (1) The white corundum ultrafine powder abrasive grinding wheel sintering device, through the setting of the supporting plate, can drive multiple rotating discs and the installed grinding wheels to rotate by means of the rotation of the supporting plate, so that the grinding wheels can rotate at a uniform speed in the sintering area, thereby achieving better sintering effect, and each rotating disc can rotate independently, thereby cooperating with the rotation of the supporting plate to sinter the grinding wheels at multiple angles and uniformly;

[0014] (2) The white corundum ultrafine powder abrasive grinding wheel sintering device, through the cooperation of the partition plate and the protective door, can form a relatively sealed area for the sintering of the grinding wheel, thereby reducing heat dissipation and temperature fluctuation and improving the control accuracy of the sintering temperature of the workers. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a schematic diagram of the overall installation structure of the utility model;

[0016] Fig. 2 It is a schematic diagram of the supporting plate installation structure of the utility model;

[0017] Fig. 3The utility model discloses a positioning rod mounting structure schematic diagram.

[0018] Fig. 4 The utility model discloses a baffle explosion structure schematic diagram.

[0019] Fig. 5 The utility model discloses a cover plate structure schematic diagram.

[0020] In the drawing: 1, support seat, 2, partition, 3, cover plate, 4, supporting plate, 5, first driven gear, 6, first motor, 7, first driving gear, 8, auxiliary wheel, 9, positioning rod, 10, support plate, 11, positioning groove, 12, second driven gear, 13, baffle, 14, rotary table, 15, limiting rod, 16, press ring, 17, sleeve, 18, transmission shaft, 19, second motor, 20, second driving gear, 21, protective door, 22, heating wire, 23, lock catch. Specific implementation

[0021] The foregoing and other technical contents, features and effects of the utility model are described below in conjunction with the accompanying drawings. Figs. 1 to 5 The embodiment is explained in detail.

[0022] The embodiment provides a white corundum ultrafine powder abrasive grinding wheel sintering device, as shown in the drawing, including support seat 1, the top of support seat 1 is fixedly connected with partition 2, the top of partition 2 is fixedly connected with cover plate 3, the middle part of the top of support seat 1 is rotatably connected with supporting plate 4, the bottom of supporting plate 4 is fixedly installed with first driven gear 5, the outer surface of first driven gear 5 is engaged with first driving gear 7, the bottom of first driving gear 7 is connected with the output of first motor 6 through key, the bottom of supporting plate 4 is fixedly installed with auxiliary wheel 8, support seat 1 is the basic support component of whole sintering device, provides the platform of installation and support for other components, guarantees the stability of device whole, ensures that the device does not sway or incline in the operation process, provides stable working environment for the sintering process of grinding wheel, is favorable to guarantee sintering quality.

[0023] The partition plate 2 cooperates with the cover plate 3 and the protective door 21 to form a relatively sealed space for the sintering of the grinding wheel, reducing heat dissipation; at the same time, it plays a partitioning role, isolating the sintering area from the outside world, effectively reducing heat loss and reducing temperature fluctuations in the sintering area, enabling workers to more accurately control the sintering temperature and improve sintering quality and efficiency. The supporting plate 4 is rotatably connected to the top of the support seat 1 and is used to support the supporting plate 10 and the grinding wheel and other components above it. It can drive the supporting plate 10 to rotate around its own axis, enabling the supporting plate 10 and the grinding wheel above it to perform circular motion in the sintering area, allowing the grinding wheel to be uniformly heated during sintering and avoiding local overheating or overcooling, thereby improving the uniformity of sintering. The first motor 6 serves as a power source, and its output end drives the first driving gear 7 to rotate. The first driving gear 7 meshes with the first driven gear 5, transmitting power to the first driven gear 5 and thereby driving the supporting plate 4 to rotate, achieving controllable rotation of the supporting plate 4 and providing power for the rotation of the grinding wheel. The speed of the supporting plate 4 can be adjusted by controlling the speed of the first motor 6 to meet different sintering requirements. The auxiliary wheels 8 are installed at the four corners of the bottom of the supporting plate 4 and play a supporting and stabilizing role during the rotation of the supporting plate 4, reducing friction and shaking during the rotation of the supporting plate 4 and ensuring the stability of the rotation of the supporting plate 4, thereby making the rotation of the grinding wheel above it more stable and conducive to improving sintering quality.

[0024] The top of the supporting plate 10 is provided with a positioning groove 11, which is used for installing the guard plate 13 and the rotating disc 14 and the like. The rotating disc 14 is driven to rotate by the positioning groove 11, so that the grinding wheel rotates at a constant speed in the sintering area, and the grinding wheel is heated at multiple angles, thereby improving the uniformity of sintering, and improving the sintering effect and overall performance of the grinding wheel. The positioning groove 11 is provided on the top of the supporting plate 10, which provides installation space and positioning for the second driven gear 12 and the rotating disc 14 and the like, so as to ensure the accurate installation position of the second driven gear 12 and the rotating disc 14, and enable them to normally operate and cooperate with the rotation of the supporting plate 10 to sinter the grinding wheel at multiple angles. The second driven gear 12 is rotatably connected to the four corners of the inner wall of the positioning groove 11, and is in transmission connection with the bottom of the rotating disc 14 through a key, and is in meshing connection with the second driving gear 20, which is used for transmitting power to drive the rotating disc 14 to rotate, so that the rotating disc 14 can rotate independently of the supporting plate 10, and cooperates with the rotation of the supporting plate 10 to enable the grinding wheel to move more complexly during sintering, thereby further improving the uniformity of heating. The guard plate 13 is bolted to the top of the supporting plate 10, which protects the rotating disc 14 and related transmission components, and provides a mounting base for the sleeve 17 and the like, prevents foreign matters from entering the rotating disc 14 and the transmission components, ensures normal operation, and prolongs the service life of the device. The rotating disc 14 is rotatably connected to the top of the guard plate 13, which is used for installing the grinding wheel. The rotating disc 14 rotates by itself and with the supporting plate 10, so that the grinding wheel moves in different directions in the sintering area, and is heated in all directions and at multiple angles during sintering, thereby improving the densification degree and the uniformity of the internal structure of the grinding wheel, and improving the overall performance and service life of the grinding wheel. The limiting rod 15 is fixedly connected to the middle of the top of the rotating disc 14, which is used for installing the pressing ring 16 to limit the grinding wheel from moving during rotation, and ensures the position stability of the grinding wheel during sintering, thereby ensuring the consistency and stability of sintering quality. The pressing ring 16 is threadedly connected to the outer surface of the limiting rod 15, and the grinding wheel can be fixed on the rotating disc 14 by tightening the pressing ring 16.Make the grinding wheel firmly installed on the rotating disc 14, avoid in the rotating process appears to shake or fall off the situation, guarantee the smooth progress of sintering.

[0025] The middle part of the top of the guard plate 13 is fixedly connected with a sleeve 17, the inner wall of the sleeve 17 is rotatably connected with a transmission shaft 18, the middle part of the top of the cover plate 3 is fixedly installed with a second motor 19, the output end of the second motor 19 is drivingly connected with the top end of the transmission shaft 18 through a key, one end of the transmission shaft 18 penetrating into the positioning groove 11 is connected with a second driving gear 20 through a key, the outer surface of the second driving gear 20 is engaged with the outer surface of the second driven gear 12, the sleeve 17 is fixedly connected with the middle part of the top of the guard plate 13, the inner wall of which is rotatably connected with the transmission shaft 18, providing support and positioning for the transmission shaft 18, ensuring smooth rotation of the transmission shaft 18, ensuring that the transmission shaft 18 can accurately transmit power to drive the second driving gear 20 to rotate, in turn driving the second driven gear 12 and the rotating disc 14 to rotate, the transmission shaft 18 accurately transmits the power of the second motor 19 to the second driving gear 20, realizing the rotation of the rotating disc 14, providing power support for the multi-angle rotation of the grinding wheel, the second motor 19 serves as the power source for the rotation of the rotating disc 14, driving the transmission shaft 18 to rotate through the output shaft, in turn driving the second driving gear 20, the second driven gear 12 and the rotating disc 14 to rotate, realizing the controllable rotation of the rotating disc 14, and the rotation speed of the rotating disc 14 can be adjusted by controlling the rotation speed of the second motor 19, cooperating with the rotation of the supporting plate 10 to meet different sintering needs, the second driving gear 20 is engaged with the second driven gear 12, transmitting the power transmitted by the transmission shaft 18 to the second driven gear 12 to drive the rotating disc 14 to rotate, ensuring effective power transmission, enabling the rotating disc 14 to rotate according to the design requirements, realizing multi-angle sintering of the grinding wheel.

[0026] The outer surface of the partition plate 2 is hingedly connected with a protective door 21, the inner side walls of the partition plate 2 and the protective door 21 are fixedly installed with heating wires 22, the outer surface of the protective door 21 is connected with a lock catch 23 through a rotating shaft, the outer surface of the partition plate 2 is fixedly connected with a clamping block matched with the lock catch 23, the protective door 21 is hingedly connected to one side of the outer surface of the partition plate 2 and can be opened and closed for the convenience of putting in and taking out the grinding wheel, and at the same time cooperates with the partition plate 2 to form a closed sintering area for easy operation, the heating wires 22 are fixedly installed on the inner side walls of the partition plate 2 and the protective door 21 and generate heat after being electrified to provide the required high-temperature environment for the sintering of the grinding wheel, the lock catch 23 is connected to the outer surface of the protective door 21 through a rotating shaft, and the clamping block is fixedly connected to the outer surface of the partition plate 2, both of which cooperate with each other to lock the protective door 21, ensuring the sealing of the sintering area and preventing the protective door 21 from being accidentally opened during sintering, ensuring the sealing and safety of the sintering area and reducing heat loss and temperature fluctuation.

[0027] In summary, the white corundum ultrafine powder abrasive grinding wheel sintering device has the following use steps:

[0028] 1、Open the protection door 21, place the white corundum ultra-fine abrasive grinding wheel on the rotating disc 14, make the center hole of the grinding wheel align with the limiting rod 15, then threadedly connect the pressing ring 16 on the limiting rod 15 and tighten, fix the grinding wheel, and confirm that the components are connected stably;

[0029] 2、Close the protection door 21, lock the protection door 21 through the lock catch 23 and the clamping block, ensure that the sintering area is sealed, connect the power supply, start the first motor 6, the first motor 6 drives the first driving gear 7 to rotate, drives the supporting plate 4 to rotate through the meshing with the first driven gear 5, and then drives the supporting plate 10 to rotate, start the second motor 19, the second motor 19 drives the transmission shaft 18 to rotate, the transmission shaft 18 drives the second driving gear 20 to rotate, the second driving gear 20 meshes with the second driven gear 12 in the positioning groove 11, and the rotating disc 14 rotates. At this time, the grinding wheel is driven by the supporting plate 10 and the rotating disc 14 to rotate at a uniform speed in different directions, the heating wire 22 is started, the partition plate 2 and the protection;

[0030] 3、During the sintering process, the grinding wheel is continuously rotated under the driving of the supporting plate 10 and the rotating disc 14, so as to ensure uniform heating in the sintering area and achieve better sintering effect.

[0031] 4、After reaching the set sintering time and temperature, the heating wire 22 is turned off, the heating is stopped, the second motor 19 and the first motor 6 are turned off in turn, the supporting plate 10 and the rotating disc 14 are stopped, and after the temperature of the sintering area is reduced to an appropriate degree, the protection door 21 is opened, the pressing ring 16 is loosened, and the sintered grinding wheel is taken off.

[0032] The above is only for the purpose of illustrating the present application, and it should be understood that the present application is not limited to the above embodiments, and various modifications in accordance with the idea of the present application are within the scope of the present application.

Claims

1. A white corundum ultrafine powder abrasive grinding wheel sintering device, comprising a supporting seat (1), characterized in that: The top of the support seat (1) is fixedly connected with a partition plate (2), the top of the partition plate (2) is fixedly connected with a cover plate (3), the middle of the top of the support seat (1) is rotatably connected with a supporting plate (4), the top of the supporting plate (4) is threadedly connected with a positioning rod (9), the outer surface of the positioning rod (9) is sleeved with a supporting plate (10), the top of the supporting plate (10) is provided with a positioning groove (11), the top of the supporting plate (10) is connected with a guard plate (13) through bolts, the top of the guard plate (13) is rotatably connected with a rotating disc (14), one side of the outer surface of the partition plate (2) is connected with a protective door (21) through a hinge, and the inner side walls of the partition plate (2) and the protective door (21) are fixedly installed with heating wires (22).

2. The white corundum ultrafine powder abrasive grinding wheel sintering device according to claim 1, characterized in that: The bottom of the supporting plate (4) is fixedly installed with a first driven gear (5), the outer surface of the first driven gear (5) is engaged with a first driving gear (7), the bottom of the support seat (1) is fixedly installed with a first motor (6), the output end of the first motor (6) is drivingly connected with the bottom of the first driving gear (7) through a key, and the four corners of the bottom of the supporting plate (4) are fixedly installed with auxiliary wheels (8).

3. The white corundum ultrafine powder abrasive grinding wheel sintering device according to claim 1, characterized in that: The four corners of the inner wall of the positioning groove (11) are rotatably connected with second driven gears (12), and the bottom of the rotating disc (14) is drivingly connected with the top of the second driven gear (12) through a key.

4. The white corundum ultrafine powder abrasive grinding wheel sintering device according to claim 1, characterized in that: The middle of the top of the rotating disc (14) is fixedly connected with a limiting rod (15), and the outer surface of the limiting rod (15) is threadedly connected with a compression ring (16).

5. The white corundum ultrafine powder abrasive grinding wheel sintering device according to claim 1, characterized in that: The middle of the top of the guard plate (13) is fixedly connected with a sleeve (17), and the inner wall of the sleeve (17) is rotatably connected with a transmission shaft (18).

6. The white corundum ultrafine powder abrasive grinding wheel sintering device according to claim 5, characterized in that: The middle of the top of the cover plate (3) is fixedly installed with a second motor (19), the output end of the second motor (19) is drivingly connected with the top end of the transmission shaft (18) through a key, one end of the transmission shaft (18) penetrating into the positioning groove (11) is connected with a second driving gear (20) through a key, and the outer surface of the second driving gear (20) is engaged with the outer surface of the second driven gear (12).

7. The white corundum ultrafine powder abrasive grinding wheel sintering device according to claim 1, characterized in that: The outer surface of the protective door (21) is connected with a lock catch (23) through a rotating shaft, and the outer surface of the partition plate (2) is fixedly connected with a clamping block matched with the lock catch (23).

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