A glazing device for manufacturing a ceramic heater

Abstract

The application relates to the technical field of ceramic glaze spraying equipment, and discloses a glaze spraying equipment for ceramic heater manufacturing, which comprises a box body, a glaze slurry spraying head is fixedly installed at the top of the inner cavity of the box body, four moving adjusting devices are arranged in the box body, the moving adjusting device comprises a rotatable U-shaped frame, two rotating adjusting devices are movably arranged on the U-shaped frame, the two rotating adjusting devices can synchronously move in the same direction or in the opposite direction, and movable clamping blocks are rotatably connected to the rotating adjusting devices. Through the two rotating adjusting devices which synchronously move in the same direction or in the opposite direction arranged on each moving adjusting device, the ceramic heater base body is clamped and rotated by driving the clamping blocks to move through the servo air cylinders on the two sides, so that the ceramic heater base body is sprayed with glaze by the glaze slurry spraying head, the clamped part on the surface of the ceramic heater base body can be sprayed with glaze to obtain an insulating layer, and the ceramic heater base body does not need to be repositioned and clamped for glaze spraying.

Description

A glazing equipment for manufacturing ceramic heaters Technical Field

[0001] This application relates to the field of ceramic glazing equipment technology, and more particularly to a glazing equipment for manufacturing ceramic heaters. Background Technology

[0002] Ceramic heaters are high-efficiency heaters with uniform heat distribution. They are made with a stainless steel shell, inside which is a ceramic material with high insulation and fire resistance, through which resistance wires are threaded and then mechanically twisted into shape. When connected to a power source, the most important step in the manufacturing process of ceramic heaters is to spray glaze onto the ceramic heater substrate. By spraying glaze onto the surface of the ceramic heater substrate, a permanent insulating protective layer is formed on the surface of the ceramic heater substrate, which can prevent electric shock and subsequent scratches.

[0003] When glazing existing ceramic heater substrates, the surface of the substrate needs to be glazed. However, when the existing equipment clamps and rotates the ceramic heater substrate for glazing, the clamped part of the substrate cannot be covered with the glaze insulation layer, resulting in poor glazing quality. If the ceramic heater substrate is lowered and then driven to rotate for secondary clamping and glazing, the work efficiency will also be reduced. In addition, the device below the glaze nozzle that drives the ceramic heater substrate to rotate is prone to glaze adsorption, affecting the recycling of glaze and the subsequent cleaning of the inside of the chamber. Summary of the Invention

[0004] This application proposes a glazing equipment for manufacturing ceramic heaters, which has the advantages of high glazing efficiency, good quality, and easy glaze slurry recovery and tank cleaning. It solves the problems of existing glazing equipment when glazing ceramic heater substrates to cover the surface with an insulating layer, which make it difficult to balance glazing quality and efficiency, and are inconvenient for glaze slurry recovery and tank cleaning.

[0005] To achieve the above objectives, this application adopts the following technical solution: a glazing equipment for manufacturing ceramic heaters, comprising a housing, a three-axis moving mechanism fixedly installed on the top of the housing cavity, a glaze spray nozzle fixedly installed on the three-axis moving mechanism, a support plate provided inside the housing, a support plate provided on the support plate for placing the ceramic heater base, four moving adjustment devices provided inside the housing, the four moving adjustment devices being driven longitudinally by four lifting hydraulic cylinders provided on the four sides of the top of the housing, each moving adjustment device comprising a U-shaped frame driven to rotate by a second motor, two rotating adjustment devices movably mounted on the U-shaped frame, and the two rotating adjustment devices being driven synchronously in the same direction or in opposite directions by a third motor provided on one side of the U-shaped frame, each rotating adjustment device being rotatably connected to a servo cylinder, and the servo cylinder being driven to rotate by a fourth motor, a clamping block being fixedly installed on the piston shaft of the servo cylinder at the end away from the rotating adjustment device.

[0006] In use, the servo cylinders on both sides of the ceramic heater base on the support drive the clamping blocks to move, clamping the ceramic heater base and moving it upward to a suspended state. The second motor drives the ceramic heater base to rotate, and the glaze spray nozzle sprays glaze onto the surface of the ceramic heater base. Then, the servo cylinders on the other two sides of the ceramic heater base drive the clamping blocks to move, clamping the ceramic heater base and spraying glaze, so that an insulating layer is formed on the surface of the ceramic heater base.

[0007] Furthermore, a support platform is provided in the middle of the inner cavity of the box, and a door groove is opened on one side of the front of the box above the support platform. The support plate is mounted on the support platform in a rotatable connection, and the rotation axis of the support plate is close to the door groove. A first motor for driving the support plate to rotate is fixedly installed at the bottom of the support platform. There are two supports, which are located at opposite ends of the top of the support plate. The first motor drives the support plate to rotate, so that one of the supports on the top of the support plate rotates through the door groove to the outside of the box. The ceramic heating element base to be glazed can be placed on the support. Then, the first motor drives the support plate to rotate 180 degrees, rotating the ceramic heating element base placed on the support into the box for glazing. At the same time, the glazed ceramic heating element base on the other support rotates to the outside of the box, thereby improving work efficiency.

[0008] Furthermore, a guide plate located below the support plate is fixedly installed on the top of the support platform, and the top of the guide plate is designed with a slope. A collection trough located at the bottom of the slope is provided on the support platform. The collection trough is close to the back of the box. The slope of the guide plate is used to guide the flow so as to recover the glaze slurry, or when cleaning the equipment inside the box, the wastewater after cleaning flows from the slope of the top of the guide plate to the collection trough and is discharged.

[0009] Furthermore, the moving adjustment device also includes a horizontal plate fixedly connected to the piston shaft of the lifting hydraulic cylinder. A vertical plate is fixedly connected to one side of the bottom of the horizontal plate. The second motor is fixedly installed on one side of the vertical plate, and the output shaft of the second motor passes through the second motor and is fixedly connected to the U-shaped frame. The piston shaft of the lifting hydraulic cylinder drives the horizontal plate to move longitudinally, thereby driving the vertical plate, the second motor, the U-shaped frame, the rotating adjustment device, the servo cylinder, and the clamping block to move longitudinally together. This controls the longitudinal movement of the clamped ceramic heater substrate. The output shaft of the second motor drives the U-shaped frame to rotate, thereby driving the U-shaped frame, the rotating adjustment device, the servo cylinder, and the clamping block to rotate together. This controls the clamped ceramic heater substrate to flip during glazing, ensuring that the glaze layer on the surface of the ceramic heater substrate is completely and evenly covered.

[0010] Furthermore, two limiting rods are fixedly connected to the top of the horizontal plate. The two limiting rods are located on both sides of the lifting hydraulic cylinder, and the top ends of the two limiting rods extend outside the top of the box body. The two limiting rods are movably connected to the top of the box body. Through the limiting effect of the top of the box body on the two limiting rods, the piston shaft of the lifting hydraulic cylinder can drive the horizontal plate to move longitudinally in a stable manner.

[0011] Furthermore, a bidirectional lead screw is rotatably connected to the side of the U-shaped frame away from the output shaft of the second motor. The bidirectional lead screw is driven to rotate by a third motor, and the bidirectional lead screw is threadedly connected to a rotation adjustment device. The two rotation adjustment devices are symmetrically arranged on the bidirectional lead screw. The third motor drives the bidirectional lead screw to rotate, so that the two rotation adjustment devices move synchronously in the same direction or in opposite directions.

[0012] Furthermore, two limiting shafts are fixedly connected to one side of the U-shaped frame. The two limiting shafts are located on the upper and lower sides of the bidirectional lead screw, respectively. The two limiting shafts are movably connected to two rotary adjustment devices, thereby limiting the rotary adjustment devices and ensuring that the rotary adjustment devices can move stably horizontally when the bidirectional lead screw rotates.

[0013] Furthermore, the rotation adjustment device also includes a moving block threadedly connected to a bidirectional lead screw. A passive plate is fixedly connected to one side of the moving block. A groove is formed in the middle of the passive plate on the side away from the horizontal plate, and a positioning shaft passing through the groove is rotatably sleeved on the passive plate. A fourth motor is fixedly installed on the top of the passive plate. The first, second, and third motors are all servo motors of different sizes to precisely control the rotation angle and to control forward and reverse rotation. Gears located below the passive plate are fixedly installed on the output shaft and the positioning shaft of the fourth motor, respectively, and the two gears mesh. One end of the servo cylinder is fixedly connected to the positioning shaft. The servo cylinder is connected to the positioning shaft at one end, which is located in the groove of the passive plate. The output shaft is driven to rotate by the fourth motor. The meshing of two gears causes the positioning shaft to rotate accordingly, thereby controlling the servo cylinder and the clamping blocks to rotate around the axis of the positioning shaft. This ensures that when clamping the circular ceramic heater substrate, the two clamping blocks on the same side abut against the arc surface of the ceramic heater substrate in a tangential manner. This allows for a stable clamping of the circular ceramic heater substrate, ensuring stable rotation of the ceramic heater substrate when the surface is glazed using a glaze spray nozzle.

[0014] Furthermore, the bottom of the passive plate is provided with a lower protective shell to protect the two meshing gears, and the top of the passive plate is provided with an upper protective shell to protect the fourth motor. The lower protective shell isolates and protects the two meshing gears, and the upper protective shell isolates and protects the fourth motor, so as to prevent the glaze slurry from affecting the two meshing gears and the fourth motor during glazing.

[0015] Furthermore, the bottom end of the positioning shaft extends below the lower protective shell and is fixedly connected to a support plate. A linkage block is fixedly connected to the end of the support plate away from the positioning shaft. The linkage block is sleeved with the end of the servo cylinder away from the positioning shaft. The stability of the servo cylinder when rotating with the positioning shaft is improved by the support of the support plate and the linkage block.

[0016] The beneficial effects of this invention are as follows:

[0017] 1. This application provides a glazing equipment for manufacturing ceramic heaters. It comprises four moving adjustment devices, each equipped with two synchronously moving rotary adjustment devices that move in the same or opposite directions. Each rotary adjustment device has a rotatable servo cylinder, and a clamping block is located at one end of the piston shaft of the servo cylinder. The servo cylinders on both sides drive the clamping block to move, clamping and rotating the ceramic heater substrate. This allows the glaze to be sprayed onto the ceramic heater substrate using a glaze nozzle. The servo cylinders on the other two sides then drive the clamping block to move, clamping and rotating the ceramic heater substrate, thus clamping and glazing the substrate. This results in a complete insulating layer forming on the surface of the ceramic heater substrate. Compared to existing glazing equipment, this method not only avoids the inability to glaze and obtain an insulating layer on the clamped areas of the ceramic heater substrate but also eliminates the need for repositioning and clamping the ceramic heater substrate for glazing, improving the glazing quality and efficiency of the ceramic heater substrate.

[0018] 2. The servo cylinders on both sides of the ceramic heater base on the support drive the clamping blocks to move, clamping the ceramic heater base and raising it to a suspended state. The second motor drives the ceramic heater base to rotate, and the glaze spray nozzle sprays glaze onto the surface of the ceramic heater base. Then, the servo cylinders on the other two sides of the ceramic heater base drive the clamping blocks to move, clamping the ceramic heater base for glazing. There is no need to put the ceramic heater base down and then rotate and clamp it, which not only improves work efficiency, but also eliminates the need to set up a device to drive the rotation of the ceramic heater base below the glaze spray nozzle, which facilitates the recycling and reuse of glaze and also facilitates the subsequent cleaning of the inside of the box.

[0019] 3. The glazing equipment for manufacturing ceramic heaters provided in this application features a structure design where each moving adjustment device is equipped with two synchronously moving rotary adjustment devices that move in the same or opposite directions, and a rotatable servo cylinder on each rotary adjustment device. This design allows the clamping blocks on both sides to not only clamp rectangular and tubular ceramic heater substrates, but also to clamp the ceramic heater substrate tangentially to the center of the circular plate-shaped ceramic heater substrate by controlling the two rotary adjustment devices on the same side of the ceramic heater substrate to move separately and then controlling the two servo cylinders on the same side of the ceramic heater substrate to rotate. This ensures that when clamping the surface of the circular plate-shaped ceramic heater substrate, the ceramic heater substrate can be clamped securely without the problem of clamping instability and failure caused by the curved surface of the circular plate-shaped ceramic heater substrate. This allows the glazing equipment to adapt to the surface of ceramic heater substrates with more shapes for glazing. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort:

[0021] Figure 1 is a schematic diagram of the structure of the present invention;

[0022] Figure 2 is a schematic diagram of the cross-sectional structure of the upper half of the box in Figure 1;

[0023] Figure 3 is a schematic diagram of one of the movable adjustment devices in Figure 2;

[0024] Figure 4 is a top view of Figure 3;

[0025] Figure 5 is a schematic diagram of the rotary adjustment device in Figure 3;

[0026] Figure 6 is a schematic diagram of the exploded structure in Figure 5;

[0027] Figure 7 is a schematic diagram of the clamping state of the rectangular ceramic heater substrate in this invention;

[0028] Figure 8 is a schematic diagram of the clamping state of the tubular ceramic heater substrate in this invention;

[0029] Figure 9 is a schematic diagram of the clamping state of the circular plate-shaped ceramic heater substrate in this invention.

[0030] In the diagram: 1. Box body; 2. Support platform; 3. Support plate; 4. First motor; 5. Support; 6. Lifting hydraulic cylinder; 7. Moving adjustment device; 701. Horizontal plate; 702. Limiting rod; 703. Vertical plate; 704. Second motor; 705. U-shaped frame; 706. Two-way lead screw; 707. Third motor; 708. Limiting shaft; 8. Rotation adjustment device; 801. Moving block; 802. Passive plate; 803. Positioning rotating shaft; 804. Fourth motor; 805. Lower protective shell; 806. Upper protective shell; 9. Servo cylinder; 10. Clamping block; 11. Support plate; 12. Linkage block; 13. Three-axis moving mechanism; 14. Glaze spray nozzle; 15. Guide plate. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] As shown in Figures 1 and 2, an embodiment of a glazing equipment for manufacturing ceramic heaters includes a housing 1. A support platform 2 is provided in the middle of the inner cavity of the housing 1. A door groove is opened on one side of the front of the housing 1, located above the support platform 2. A rotatable support plate 3 is movably mounted on the support platform 2, and the rotation axis of the support plate 3 is close to the door groove. A first motor 4 is fixedly installed at the bottom of the support platform 2 to drive the support plate 3 to rotate. Supports 5 are fixedly installed at both ends of the top of the support plate 3. The support plate 3 is driven to rotate by the first motor 4, so that one of the supports 5 on the top of the support plate 3 rotates through the door groove to the outside of the housing 1. The ceramic heater substrate to be glazed can be placed on the support 5. Then, the support plate 3 is driven to rotate 180 degrees by the first motor 4 to rotate the ceramic heater substrate placed on the support 5 into the housing 1 for glazing.

[0033] Four lifting hydraulic cylinders 6 are fixedly installed on the top of the housing 1, and the four lifting hydraulic cylinders 6 are respectively close to the four sides of the top of the housing 1. The bottom end of the piston shaft of each lifting hydraulic cylinder 6 is fixedly connected to a moving adjustment device 7 located inside the housing 1, as shown in Figures 3-4. The moving adjustment device 7 includes a horizontal plate 701 fixedly connected to the piston shaft of the lifting hydraulic cylinder 6. Two limiting rods 702 are fixedly connected to the horizontal plate 701. The two limiting rods 702 are located on both sides of the lifting hydraulic cylinder 6, and the top ends of the two limiting rods 702 extend out of the top of the housing 1. The two limiting rods 702 are movably connected to the top of the housing 1. Through the limiting effect of the top of the housing 1 on the two limiting rods 702, the piston shaft of the lifting hydraulic cylinder 6 can drive the horizontal plate 701 to move longitudinally in a stable manner.

[0034] A vertical plate 703 is fixedly connected to one side of the bottom of the horizontal plate 701. A second motor 704 is fixedly installed on one side of the vertical plate 703. The output shaft of the second motor 704 passes through the vertical plate 703 and is fixedly connected to a U-shaped frame 705. A double-acting lead screw 706 is rotatably connected to the side of the U-shaped frame 705 away from the output shaft of the second motor 704. Rotation adjustment devices 8 are threaded onto both ends of the double-acting lead screw 706, and the two rotation adjustment devices 8 are symmetrically arranged. The double-acting lead screw 706 is located on one side of the U-shaped frame 705. The third motor 707 drives the rotation, which in turn drives the bidirectional lead screw 706 to rotate, causing the two rotary adjustment devices 8 to move synchronously in the same or opposite directions. Two limiting shafts 708 are also fixedly connected to one side of the U-shaped frame 705. The two limiting shafts 708 are located on the upper and lower sides of the bidirectional lead screw 706, respectively. The two limiting shafts 708 are movably sleeved with the two rotary adjustment devices 8, thereby limiting the rotary adjustment devices 8 and ensuring that the rotary adjustment devices 8 can move stably horizontally when the bidirectional lead screw 706 rotates.

[0035] Please refer to Figures 3 and 5-6. The rotary adjustment device 8 includes a movable block 801 threadedly connected to the bidirectional lead screw 706. The movable block 801 is also movably connected to two limiting shafts 708. A passive plate 802 is fixedly connected to one side of the movable block 801. A groove is formed in the middle of the side of the passive plate 802 away from the horizontal plate 701. A positioning shaft 803 is rotatably sleeved on the passive plate 802, passing through the groove. The positioning shaft 803 is located at one end of the groove. A fourth electric... Gears located below the passive plate 802 are fixedly installed on the output shaft of the fourth motor 804 and the positioning shaft 803, respectively. The two gears mesh so that when the positioning shaft 803 drives the output shaft to rotate, the positioning shaft 803 rotates by utilizing the meshing action of the two gears. The bottom of the passive plate 802 is provided with a lower protective shell 805 to protect the two meshing gears, and the top of the passive plate 802 is provided with an upper protective shell 806 to protect the fourth motor 804.

[0036] A servo cylinder 9 is fixedly connected to the positioning shaft 803, and one end of the servo cylinder 9 connected to the positioning shaft 803 is located in the groove of the passive plate 802. One end of the piston shaft of the servo cylinder 9 is fixedly connected to a clamping block 10. The clamping block 10 is moved toward or away from the ceramic heater base in the housing 1 by the piston shaft of the servo cylinder 9, so that multiple clamping blocks 10 (i.e., clamping blocks 10 set on the rotation adjustment devices 8 on both sides of the ceramic heater base) can be used to clamp or release the ceramic heater base. The output shaft is driven by the second motor 704 to drive the U-shaped frame 705 and the rotation adjustment device 8 to rotate together, so that the ceramic heater base clamped by the clamping blocks 10 can rotate together.

[0037] The bottom end of the positioning shaft 803 extends below the lower protective shell 805 and is fixedly connected to a support plate 11. A linkage block 12 is fixedly connected to the end of the support plate 11 away from the positioning shaft 803. The linkage block 12 is sleeved with the end of the servo cylinder 9 away from the positioning shaft 803. The stability of the servo cylinder 9 when rotating with the positioning shaft 803 is improved by the support of the support plate 11 and the linkage block 12.

[0038] A three-axis moving mechanism 13 is fixedly installed on the top of the inner cavity of the housing 1. A glaze spray nozzle 14 is fixedly installed on the three-axis moving mechanism 13. The three-axis moving mechanism 13 enables the glaze spray nozzle 14 to move in three axes so as to spray glaze onto the ceramic heater substrate held by the clamping block 10.

[0039] A guide plate 15 is fixedly installed on the top of the support platform 2, located below the support plate 3. The top of the guide plate 15 is designed with a slope. A collection trough located at the bottom of the slope is provided on the support platform 2, which is covered in the figure. The collection trough is close to the back of the box 1. The slope of the guide plate 15 is used to guide the flow so as to recover the glaze slurry or collect the wastewater during the cleaning of the equipment in the box 1.

[0040] In use, the ceramic heater substrate used for manufacturing ceramic heaters is first placed on top of the support 5. Then, the first motor 4 drives the support plate 3 to rotate, transferring the ceramic heater substrate to be glazed into the housing 1. When the ceramic heater substrate is rectangular, the distance between the two rotating adjustment devices 8 is adjusted by the third motor 707 driving the bidirectional lead screw 706 to rotate, based on the width and height of the ceramic heater substrate on both sides. This, in turn, adjusts the distance between the two clamping blocks 10 on the same side of the ceramic heater substrate. Finally, the piston shaft of the servo cylinder 9 is controlled to drive the clamping blocks 10. The ceramic heater base is moved so that the left and right sides are abutted by the clamping blocks 10, thus clamping the ceramic heater base, as shown in Figure 7. Then, the lifting hydraulic cylinder 6 drives the piston shaft to move the moving adjustment device 7, the rotating adjustment device 8, the servo cylinder 9, the clamping blocks 10, and the ceramic heater base together upward. Then, the glaze spray nozzle 14 on the three-axis moving mechanism 13 is controlled to move to directly above the ceramic heater base, so that the nozzle of the glaze spray nozzle 14 faces downward and sprays glaze onto the surface of the ceramic heater base. At the same time, the movement of the glaze spray nozzle 14 is controlled by the three-axis moving mechanism 13. The second motor 704 drives the U-shaped frame 705, the bidirectional lead screw 706, the limit shaft 708, the rotation adjustment device 8, the servo cylinder 9, the clamping blocks 10, and the held ceramic heater base to rotate together, so that the surface of the ceramic heater base is evenly glazed. Then, the clamping blocks 10 on the front and rear sides of the ceramic heater base are controlled to move and contact the surface of the ceramic heater base. Then, the clamping blocks 10 on the left and right sides of the ceramic heater base are controlled to separate and move. The clamping blocks 10 on the front and rear sides of the ceramic heater base drive its rotation, so that the left and right sides of the ceramic heater base can be glazed separately. Individual glazing is performed to make the surface of the ceramic heater substrate more complete, so that a complete electrical insulation layer can be formed on the surface of the ceramic heater substrate. Finally, the piston shaft driven by the lifting hydraulic cylinder 6 drives the moving adjustment device 7, the rotating adjustment device 8, the servo cylinder 9, the clamping block 10 and the ceramic heater substrate to move down to the support 5. The first motor 4 drives the support plate 3 to rotate, and the glazed ceramic heater substrate is transferred to the outside of the box 1. The ceramic heater substrate to be glazed at the other end of the top of the support plate 3 is transferred to the inside of the box 1 for glazing.

[0041] When the ceramic heater base is tubular, the clamping blocks 10 at both ends of the ceramic heater base are moved into the tube, as shown in Figure 8. Then, the two clamping blocks 10 on the same side are separated and moved to clamp the tubular ceramic heater base.

[0042] When the ceramic heater substrate is in the shape of a circular plate, the two rotating adjustment devices 8 on the same side of the ceramic heater substrate are separated and moved by controlling them, and then the two servo cylinders 9 on the same side of the ceramic heater substrate are rotated by controlling them to make the clamping block 10 clamp the ceramic heater substrate in a way that is tangential to the center of the circular plate-shaped ceramic heater substrate, that is, in the state shown by the servo cylinder 9 in the figure. This ensures that when clamping the surface of the circular plate-shaped ceramic heater substrate, the ceramic heater substrate can be clamped tightly, and the problem of clamping instability and failure will not easily occur due to the arc surface of the circular plate-shaped ceramic heater substrate.

[0043] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A glazing spraying device for manufacturing ceramic heaters, comprising a housing, a three-axis moving mechanism fixedly mounted on the top of the inner cavity of the housing, and a glaze spray nozzle fixedly mounted on the three-axis moving mechanism, characterized in that, The housing contains a support plate with a base for the ceramic heater substrate. Four adjustable movement devices are also located inside the housing, each driven longitudinally by a hydraulic cylinder located on one of the four sides of the top of the housing. Each adjustable movement device includes a U-shaped frame driven by a second motor, on which two rotary adjustment devices are movably mounted. These two rotary adjustment devices are driven synchronously in the same or opposite directions by a third motor located on one side of the U-shaped frame. Each rotary adjustment device is rotatably connected to a servo cylinder. The servo cylinder is driven to rotate by the fourth motor. A clamping block is fixedly installed on the piston shaft at the end of the servo cylinder away from the rotation adjustment device. In use, the clamping block is driven to move by the servo cylinders on both sides of the ceramic heater base on the support, clamping the ceramic heater base and moving it upward to a suspended state. The ceramic heater base is driven to rotate by the second motor, and glaze is sprayed onto the surface of the ceramic heater base using a glaze spray nozzle. Then, the clamping block is driven to move by the servo cylinders on the other two sides of the ceramic heater base, clamping the ceramic heater base and spraying glaze, so that an insulating layer is formed on the surface of the ceramic heater base.

2. The glazing equipment for manufacturing ceramic heaters according to claim 1, characterized in that, A support platform is provided in the middle of the inner cavity of the box, and a door groove is opened on one side of the front of the box above the support platform. The support plate is mounted on the support platform in a rotatable connection, and the rotation axis of the support plate is close to the door groove. A first motor for driving the support plate to rotate is fixedly installed at the bottom of the support platform. There are two supports, and the two supports are respectively located at both ends of the top of the support plate.

3. The glazing equipment for manufacturing ceramic heaters according to claim 2, characterized in that, The top of the support platform is fixedly installed with a guide plate located below the support plate, and the top of the guide plate is designed with a slope. A collection trough is opened on the support platform at the bottom of the slope, and the collection trough is close to the back of the box.

4. The glazing equipment for manufacturing ceramic heaters according to claim 1, characterized in that, The movable adjustment device also includes a horizontal plate fixedly connected to the piston shaft of the lifting hydraulic cylinder. A vertical plate is fixedly connected to one side of the bottom of the horizontal plate. The second motor is fixedly installed on one side of the vertical plate, and the output shaft of the second motor passes through the second motor and is fixedly connected to the U-shaped frame.

5. The glazing equipment for manufacturing ceramic heaters according to claim 4, characterized in that, Two limiting rods are fixedly connected to the top of the horizontal plate. The two limiting rods are located on both sides of the lifting hydraulic cylinder, and the top ends of the two limiting rods extend outside the top of the box body. The two limiting rods are movably connected to the top of the box body.

6. The glazing equipment for manufacturing ceramic heaters according to claim 4, characterized in that, The U-shaped frame is rotatably connected to a bidirectional lead screw on the side away from the output shaft of the second motor. The bidirectional lead screw is driven to rotate by a third motor, and the bidirectional lead screw is threadedly connected to a rotation adjustment device. The two rotation adjustment devices are symmetrically arranged on the bidirectional lead screw.

7. The glazing equipment for manufacturing ceramic heaters according to claim 6, characterized in that, Two limiting shafts are also fixedly connected to one side of the U-shaped frame. The two limiting shafts are located on the upper and lower sides of the bidirectional lead screw, respectively, and the two limiting shafts are movably connected to two rotary adjustment devices.

8. The glazing equipment for manufacturing ceramic heaters according to claim 6, characterized in that, The rotation adjustment device also includes a moving block that is threadedly connected to a bidirectional lead screw. A passive plate is fixedly connected to one side of the moving block. A groove is provided in the middle of the side of the passive plate away from the horizontal plate. A positioning shaft that passes through the groove is rotatably sleeved on the passive plate. A fourth motor is fixedly installed on the top of the passive plate. Gears located below the passive plate are fixedly installed on the output shaft of the fourth motor and the positioning shaft, respectively, and the two gears mesh. One end of the servo cylinder is fixedly connected to the positioning shaft, and the end of the servo cylinder connected to the positioning shaft is located in the groove of the passive plate.

9. The glazing equipment for manufacturing ceramic heaters according to claim 8, characterized in that, The passive plate has a lower protective shell at the bottom to protect the two meshing gears, and an upper protective shell at the top to protect the fourth motor.

10. The glazing equipment for manufacturing ceramic heaters according to claim 8, characterized in that, The bottom end of the positioning shaft extends below the lower protective shell and is fixedly connected to a support plate. A linkage block is fixedly connected to the end of the support plate away from the positioning shaft, and the linkage block is sleeved with the end of the servo cylinder away from the positioning shaft.

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