Four-station casing pipe glazing machine

Abstract

The invention discloses a four-station casing pipe glazing machine which comprises a rack, and a horizontal rotary table is arranged on the rack; a circulating station system comprising a feeding and discharging station, an inner pipe glaze dipping station, an outer pipe glaze spraying station and a sand feeding station is arranged on the horizontal rotary table; four assembling platforms matched with the stations are arranged on the horizontal rotary table, each assembling platform comprises a rotary seat, and a clamping device used for clamping a porcelain bushing blank is arranged on each rotary seat; through the rotating seats, the porcelain bushing blank in a clamping state can be converted from a horizontal position to a vertical position, and through the horizontal rotating table, the four rotating seats can complete sequential circulating switching among different stations; the porcelain bushing blank enters an inner pipe glaze dipping position under a vertical condition to be treated, and an in-pipe pouring mode is adopted; and under the horizontal condition, entering an outer pipe glaze spraying position and a sand feeding position, and respectively performing outer pipe glaze spraying and glue binding part sand blasting treatment. The glaze dipping and sand blasting treatment efficiency of the porcelain bushing blank can be effectively improved, and the uniformity and quality of a glaze layer and a sand layer are ensured.

Description

Technical Field

[0001] The invention relates to the technical field of production of insulating porcelain sleeves, in particular to a four-station sleeve glazing machine with continuous glazing production capacity. Background Art

[0002] In the field of power systems, porcelain insulators play a key insulating role, and their performance is directly related to the safety and stability of power transmission. During the manufacturing process, a layer of glaze is coated on the surface of the porcelain sleeve blank, and then these glazed blanks are sent to the kiln for sintering. Under the same process conditions, the quality, thickness and uniformity of the glaze will directly affect the size, shape, color and process characteristics of the glaze layer after sintering. With the development of the power industry, the requirements for the quality and quantity of porcelain insulators in the field are getting higher and higher. The traditional glazing method can no longer meet the needs of large-scale and high-efficiency production. Therefore, the present invention proposes a four-station sleeve glazing machine, which aims to improve the glazing efficiency and ensure the uniformity and quality of the glaze coating to meet the growing demand of the power industry for porcelain insulators.

[0003] In the current technical field, there are two conventional methods for glazing porcelain sleeves: Spray glazing typically involves spraying the surface of porcelain sleeve blanks with slurry using spray equipment. This method can improve the uniformity of the glaze layer to a certain extent. However, it requires workers to secure the porcelain sleeve blanks on a horizontal rotating frame and utilize the rotating frame to spray the glaze on the rotating blanks. This is not only labor-intensive but also requires a high level of operator experience. Furthermore, the working environment at the spray glazing station is often poor. For medium and large porcelain insulators, due to their large size, complex shape, and strict requirements for glaze uniformity and thickness, the spray glaze method cannot meet the requirements of efficient and high-quality production.

[0004] Dipping glaze technology is known for its simple operation and high glaze utilization rate. For large, complex-shaped porcelain insulators, dipping glaze can better ensure the uniformity and thickness of the glaze layer. However, traditional dipping equipment is semi-automated, typically only capable of sequential dipping at a single station, resulting in low production efficiency. This operation method presents numerous challenges in terms of efficiency and cost management. It lacks continuity and requires frequent manual adjustments to the clamping equipment, significantly reducing production efficiency. Furthermore, manual intervention can interrupt the continuity of the dipping process, often resulting in inconsistent glaze layer thickness, thus affecting product quality.

[0005] Therefore, in order to overcome the defects of the existing technology and improve the production efficiency and product quality of medium and large porcelain insulators, it is urgent to develop a new automatic glazing equipment. Summary of the Invention

[0006] The technical problem solved by the present invention is to provide a four-station bushing dipping machine, which is suitable for automatically glazing the inner and outer column surfaces of medium and large-sized porcelain bushing blanks, and can effectively improve the production efficiency and quality of porcelain insulators to solve the defects in the above technical background.

[0007] The technical problem solved by the present invention is achieved by adopting the following technical solutions: A four-station sleeve glazing machine comprises a frame, a rotary drive device is provided on the frame, and a horizontal turntable is located on the rotary drive device; Four workstations are arranged on the outside of the horizontal turntable. The four workstations are arranged in sequence according to the rotation direction and process flow, namely, loading and unloading positions, inner tube glazing position, outer tube glazing position and sanding position. The four workstations constitute a circulation workstation system. The horizontal turntable is provided with four assembly platforms matching the workstations, the assembly platforms including a swivel seat, on which a clamping device for clamping the porcelain sleeve blank is provided, the clamping device being an end face clamping device capable of clamping the top and bottom surfaces of the porcelain sleeve blank; the clamping device is provided with a sealing gasket at the bottom as a structural seal to ensure the sealing between the bottom surface of the porcelain sleeve blank and the clamping device in the clamped state; the porcelain sleeve blank in the clamped state can be rotated in a vertical plane through the swivel seat, thereby realizing position conversion from horizontal to vertical; the rotation of the horizontal turntable is controlled by a rotary drive device, and the four swivel seats can realize periodic rotation, thereby completing the sequential cyclic switching between different workstations; The porcelain sleeve blank enters the inner tube glazing position under the vertical position condition or performs a vertical position conversion on the inner tube glazing position, and performs an inner tube glazing treatment in the inner tube glazing position by an in-tube pouring method; The porcelain sleeve blank enters the outer tube glazing position and the sanding position under horizontal position conditions; the outer tube glazing treatment is performed by using a glazing device at the outer tube glazing position, and the porcelain sleeve blank adhesive part is sandblasted at the sanding position.

[0008] As a further limitation, a lifting mechanism is provided on the frame, and the lifting mechanism is provided at the lower part of the horizontal turntable to drive the horizontal turntable to perform lifting and lowering movements in the vertical direction to meet the operating height requirements of porcelain sleeve blanks of different height sizes in a vertical position.

[0009] As a further limitation, the horizontal turntable is preferably a circular turntable, and the four workstations are evenly distributed along the circumference of the circular turntable to ensure stability and uniformity of the workstations during rotation.

[0010] As a further limitation, the horizontal turntable and the turntable are driven by a stepping motor.

[0011] As a further limitation, the clamping device includes a side frame, the swivel seat is assembled on the side frame, the side frame is assembled and connected to the horizontal turntable through the swivel seat, and the upper and lower parts of the side frame are respectively provided with a fixed clamping part and a movable clamping part; The upper surface of the fixed clamping portion matches the bottom surface of the porcelain sleeve blank; The lower surface of the movable clamping part matches the top surface of the porcelain sleeve blank, and the movable clamping part is assembled on the guide slide. The slide rail matching the guide slide is arranged along the connecting direction of the movable clamping part and the fixed clamping part. Through the movement and position adjustment of the guide slide on the slide rail, the movable clamping part can approach or move away from the fixed clamping part to adapt to the clamping requirements of porcelain sleeve blanks of different sizes.

[0012] As a further limitation, the inner tube glazing position is pre-formed with a sinking platform. Through the sinking platform, the working area of the inner tube glazing position can be lowered, which facilitates the inner tube glazing operation of the porcelain sleeve blank in a vertical state and makes it easier for the operator to observe, adjust and monitor the glazing process.

[0013] As a further limitation, a glaze slurry injection interface is provided at the middle position of the bottom of the clamping device, and the upper portion of the glaze slurry injection interface corresponds to the inner cavity of the porcelain sleeve blank in the clamping state; A grouting device is provided on the glaze dipping position of the inner tube; The grouting device includes a connecting hose and a hard column pipe. One end of the connecting hose is provided with a quick-connect connector that matches the glaze slurry grouting interface, and the other end is connected to the hard column pipe through a tee with a switching valve. The hard column pipe is fixed in position, and the upper part is connected to the glaze slurry container through a pumping pipeline with a valve, and the other end of the tee is connected to the glaze slurry container through a return pipeline with a valve. Under the condition that the connecting hose is connected to the glaze slurry grouting interface, the hard column tube forms a connecting pipe with the porcelain sleeve blank in a clamped state through the connecting hose.

[0014] As a further limitation, the outer tube glaze spraying position is provided with a glaze spraying device, which includes a fan-shaped wide-angle glaze slurry nozzle, and the fan-shaped wide-angle glaze slurry nozzle is horizontally arranged; the glaze spraying device is also equipped with a receiving tray and a glaze supply system, and the receiving tray and the fan-shaped wide-angle glaze slurry nozzle are connected to the glaze supply system through a circulation pipeline to ensure the stability and continuity of the glaze spraying; The fan-shaped wide-angle glaze slurry nozzle is arranged on an electric control guide frame, and the electric control guide frame is externally connected to a drive motor. The drive motor is a bidirectional motor that can drive the fan-shaped wide-angle glaze slurry nozzle to move back and forth on a horizontal plane to achieve uniform spraying of the glaze layer on the outer surface of the porcelain sleeve blank.

[0015] As a further limitation, a sandblasting device is provided on the upper sand position, and the sandblasting device includes a sandblasting gun having a horizontally arranged flat-head nozzle, and the flat-head nozzle is horizontally arranged; the sandblasting device is also equipped with a sand material supply system and an air compression system to ensure the stability and uniformity of sandblasting.

[0016] Furthermore, the clamping device is connected to a rotating shaft support, through which the porcelain sleeve blank assembled on the clamping device can rotate around its own axis in a horizontal state, and cooperate with the horizontally arranged fan-shaped wide-angle glaze slurry nozzle and flat-head nozzle to realize the outer tube glaze spraying treatment of the outer surface of the porcelain sleeve blank and the sandblasting treatment of the glued part of the porcelain sleeve blank.

[0017] Beneficial effects: The four-station sleeve glazing machine of the present invention has a reasonable design structure, is easy to operate, and has a high degree of automation. It can automatically complete the glazing work on the inner and outer column surfaces of medium and large porcelain sleeve blanks, significantly reducing manual labor intensity and greatly improving production efficiency. By adopting a four-station cyclic operation mode, the continuity of processes such as glazing, spraying, and sandblasting is achieved, reducing dependence on manual operation and enhancing the versatility and flexibility of the equipment. This not only ensures the uniformity and thickness of the glaze layer, but also improves the overall quality of the product. In terms of improving production efficiency, ensuring product quality, and enhancing the versatility and flexibility of equipment, the invention has achieved significant positive effects, meeting the growing demand for porcelain insulators in the power industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the structure of a preferred embodiment of the present invention.

[0019] Figure 2 for Figure 1 Assembly diagram of the middle inner tube glaze dipping position.

[0020] Figure 3 for Figure 1 Assembly diagram of the middle and outer tube glazing stations.

[0021] Figure 4 for Figure 1 Assembly diagram of the middle and upper sand positions.

[0022] Among them: 1. Horizontal turntable; 2. Electronic control component box; 3. Rotating shaft support; 4. Sinking platform; 5. Operation panel; 6. Assembly platform; 7. Porcelain sleeve blank; 8. Loading and unloading platform; 9. Longitudinal slide rail; 10. Fixed part; 11. Horizontal slide rail; 12. Glaze slurry container I; 13. Hard column tube; 14. Scale mark; 15. Return line; 16. Tee; 17. Connecting hose; 18. Quick connector; 19. Fixed clamping part; 20. Rotating shaft support; 21. Sealing gasket; 22. Side frame; 23. Rotating seat; 24. Glaze slurry grouting interface; 25. Porcelain sleeve Blank umbrella skirt part; 26. Porcelain sleeve blank gluing part; 27. Clamping plate; 28. Telescopic rod frame; 29. Movable clamping part; 30. Guide slide; 31. Slide rail; 32. Receiving tray; 33. Filter; 34. Glaze slurry container II; 35. Glaze slurry supply pipe; 36. Bracket; 37. Glaze gun; 38. Glaze gun assembly seat; 39. Shaft sleeve; 40. Circular shaft; 41. Fan-shaped wide-angle glaze slurry nozzle; 42. Sand gun nozzle; 43. Sand gun; 44. Sand gun assembly seat; 45. Lifting rod; 46. Sand supply pipe; 47. Sand receiving tray; 48. Sand container. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below with reference to specific illustrations.

[0024] It should be noted that the embodiments of the present invention described in the specification and claims and the above drawings can be implemented in an order other than that shown or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units explicitly listed.

[0025] In addition, the embodiment shown in this detailed description is only one of the embodiments of the present invention, and does not represent all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0026] See also Figures 1 to 4The figure shows a schematic diagram of a preferred embodiment of a four-station sleeve glazing machine. In this embodiment, the four-station sleeve glazing machine is used to automatically glaze the inner and outer column surfaces of medium and large-sized porcelain sleeve blanks 7. It should be noted that, in the case of meeting the needs, most of the pipelines in this embodiment are provided with a pumping device as a power source and a solenoid valve as a controller for the on-off of the pipeline to ensure the stable supply and precise control of media such as glaze slurry and sand. These are not marked in the figure of this embodiment, but those skilled in the art can select and assemble them according to actual needs. This is a conventional technical choice and the applicant will not elaborate on it here. The following is a detailed description of the various components in this embodiment in conjunction with the accompanying drawings.

[0027] The main structure of this embodiment's four-station casing glazing machine includes a frame, the bottom of which is formed on a concrete base to ensure the structural stability of the equipment during operation. A horizontal turntable 1 is mounted on the frame, with a rotating shaft support 3 formed in its center. This support 3 is connected to the output shaft of the rotary drive device to drive the turntable 1 to rotate about the axis of the support 3.

[0028] There are four assembly platforms 6 evenly distributed on the outside of the horizontal turntable 1. These four assembly platforms 6 correspond to four workstations, namely Figure 1 Position A is the upper and lower material positions, position B is the inner tube glaze dipping position, position C is the outer tube glaze spraying position, and position D is the sanding position.

[0029] The four workstations on the horizontal turntable 1 are arranged clockwise according to the process flow, forming a complete cycle workstation system. The corresponding assembly platform 6 can achieve periodic clockwise rotation through a rotary drive device, ensuring that the porcelain sleeve blank 7 can automatically and continuously complete the glaze dipping, glaze spraying, and sandblasting processes according to the process flow.

[0030] On the horizontal turntable 1, four assembly platforms 6 are identical in structure and are evenly spaced along its outer annular surface. Each platform consists of a swivel base 23 and a side frame 22. The side frames 22 are equipped with clamping devices. These devices utilize an end-face clamping scheme, providing a secure grip on both the top and bottom surfaces of the porcelain sleeve blank 7. This clamping method not only ensures strength and stability but also facilitates operation during processes such as dipping, spraying, and sandblasting.

[0031] Specifically, the clamping device consists of a fixed clamping portion 19 and a movable clamping portion 29, which are respectively mounted on the lower and upper portions of the side frame 22. The fixed clamping portion 19 is fixed in position, while the movable clamping portion 29 is adjusted by the movement of a guide slide 30 on a slide rail 31. Through the cooperation of the guide slide 30 and the slide rail 31, the movable clamping portion 29 can flexibly move closer to or further away from the fixed clamping portion 19, thereby meeting the clamping requirements of porcelain sleeve blanks 7 of different sizes.

[0032] A clamping disc 27 is provided on the upper surface of the fixed clamping portion 19 and the opposite side of the movable clamping portion 29. The upper surface of the clamping disc 27 on the fixed clamping portion 19 matches the bottom surface of the porcelain sleeve blank 7, while the lower surface of the clamping disc 27 on the movable clamping portion 29 matches the top surface of the porcelain sleeve blank 7. This design ensures that the clamping device can provide a stable clamping force to the porcelain sleeve blank 7 in the clamping state while avoiding damage to the surface of the porcelain sleeve blank 7.

[0033] A rotating shaft support 20 is also provided between the fixed clamping portion 19, the movable clamping portion 29, and the clamping plate 27. Driven by a motor, the rotating shaft support 20 can drive the clamping device and the clamped porcelain sleeve blank 7 to rotate about its own axis in a horizontal position. This design is particularly important when coordinating the operations of the outer tube glazing and sanding stations.

[0034] In the clamping device of this embodiment, the clamping disc 27 of the fixed clamping portion 19 is equipped with a sealing gasket 21. This gasket is made of an elastic sealing material and has excellent sealing properties. When the clamping device is clamping the porcelain sleeve blank 7, the sealing gasket 21 can tightly fit the bottom surface of the porcelain sleeve blank 7 and the clamping disc 27 of the fixed clamping portion 19. This effectively prevents glaze slurry from leaking from the bottom during the glazing process of the inner tube of the porcelain sleeve blank 7 at the inner tube glazing position, thereby ensuring the quality and effectiveness of the glazing process.

[0035] The movable clamping portion 29 is equipped with a telescopic rod 28, which can be used to fine-tune the downward movement of the clamping plate 27 on the movable clamping portion 29 and provide stable and precise clamping force. During the clamping operation, the length of the telescopic rod 28 can be adjusted to further ensure the adaptability and clamping stability of the clamping device for porcelain sleeve blanks 7 of different sizes. In addition, the clamping device can also be equipped with a soft material as a cushion at the contact area between the clamping plate 27 and the porcelain sleeve blank 7. This not only increases the stability of the clamping but also effectively prevents damage to the porcelain sleeve blank 7 during the clamping process.

[0036] The back of the side frame 22 is mounted on the horizontal turntable 1 via a swivel seat 23. This swivel seat 23 drives the side frame 22 and the clamping device mounted on it to rotate vertically, thereby switching the porcelain sleeve blank 7 clamped in the clamping device from a horizontal to a vertical position. The horizontal position is used for loading and unloading porcelain sleeve blanks 7 at the upper and lower loading positions, as well as for glazing and sandblasting at the outer tube glazing and sanding positions. The vertical position is used for inner tube glazing at the inner tube glazing position. This position switching design not only adapts to the different process requirements for the porcelain sleeve blank 7's posture, but also greatly improves the equipment's automation level and operational flexibility.

[0037] Considering the size and structure of the porcelain sleeve blank 7, a certain amount of operating space needs to be reserved during the position conversion from horizontal to vertical to avoid interference with the frame, platform or other components. In different embodiments, different lifting schemes can be set for the horizontal turntable 1: For example, the sunken platform solution adopted in this embodiment provides sufficient operating space for the vertical porcelain sleeve blank 7 by means of a sunken platform 4 at the inner tube glazing position B. The design of the sunken platform 4 reduces the working area of the inner tube glazing position, facilitating the operator's observation, adjustment, and monitoring of the inner tube glazing process while ensuring smooth operation.

[0038] In another embodiment, a lifting mechanism can also be provided at the lower part of the horizontal turntable 1, so that the horizontal turntable can be lifted as a whole by the lifting mechanism to perform lifting and lowering movements in the vertical direction. By adjusting the height of the horizontal turntable, the operating height requirements of porcelain sleeve blanks of different heights and sizes in a vertical state can be met, further enhancing the versatility and flexibility of the equipment.

[0039] In this embodiment, a loading and unloading platform 8 is provided at the loading and unloading position of the fourth workstation. The lower portion of the table of the loading and unloading platform 8 is mounted on a longitudinal slide 9 via a slide seat, so that the longitudinal slide 9 and the slide seat can be used to move away from or approach the assembly platform 6. A fixed portion 10 is provided on each side of the table of the loading and unloading platform 8. The fixed portion 10 is a pillow with a rubber pad on the surface. The lower portion of the fixed portion 10 is mounted on a transverse slide 11 and can be adjusted by the transverse slide 11 to meet the loading and unloading requirements of porcelain sleeve blanks 7 of different sizes.

[0040] When loading, the operator can lift the porcelain sleeve blank 7 to be glazed to the position of the assembly platform 6 through the lifting equipment, and use the fixing parts 10 with adjusted spacing on both sides to support the gluing parts 26 on both sides of the porcelain sleeve blank 7 on the assembly platform 6. Then, the porcelain sleeve blank 7 is sent to the clamping area of the clamping device on the assembly platform 6 through the longitudinal slide rail 9 for clamping. For the porcelain sleeve blank 7 that has completed the glazing and sandblasting operations, after returning to the loading and unloading position, the operator removes it from the clamping device, places it on the loading and unloading platform 8, and then smoothly sends the porcelain sleeve blank 7 out of the assembly area through the longitudinal slide rail 9 to complete the unloading operation. The entire loading and unloading process is easy to operate, which not only improves work efficiency, but also ensures the safety and stability of the porcelain sleeve blank 7 during transportation.

[0041] After the porcelain sleeve blank 7 to be glazed is clamped at the upper and lower material positions, the porcelain sleeve blank 7, firmly held by the clamping device, moves to the inner tube glazing position as the horizontal turntable 1 rotates clockwise. The assembly platform 6 can simultaneously adjust the porcelain sleeve blank 7 assembled by the clamping device to a vertical position via the swivel seat 23 during the rotation of the horizontal turntable 1. Alternatively, the porcelain sleeve blank 7 assembled by the clamping device can be adjusted to a vertical position via the swivel seat 23 after the horizontal turntable 1 has rotated into position, to accommodate the inner tube glazing operation.

[0042] In order to realize the glaze dipping operation of the inner tube of the porcelain sleeve blank 7, a glaze slurry grouting interface 24 is provided on the fixed clamping part 19, and the glaze slurry grouting interface 24 passes through the fixed clamping part 19 at the upper and lower parts, and its upper opening is located at the center position of the sealing gasket 21, so that the glaze slurry grouting interface 24 is connected to the inner tube cavity of the porcelain sleeve blank 7 when the porcelain sleeve blank 7 is firmly clamped by the clamping device and the bottom surface is tightly fitted with the sealing gasket 21; the lower part of the glaze slurry grouting interface 24 extends out of the fixed clamping part 19, and is connected to one end of the connecting hose 17 through the quick connector 18 at the extending part; the other end of the connecting hose 17 is connected to the tee 16 with a reversing valve, and the other two interfaces of the tee 16 are respectively connected to the hard column tube 13 and the return pipe 15.

[0043] The rigid column tube 13 is made of a transparent material or equipped with an observation window, and a scale mark 14 is provided in its height direction. The rigid column tube 13 is fixedly mounted on the outside of the assembly platform 6 and is kept vertically parallel to the porcelain sleeve blank 7 fixed on the assembly platform 6 by a clamping device. The upper end of the rigid column tube 13 is connected to the glaze slurry container 112 through a pumping pipeline, and the lower end is connected to the inner tube chamber of the porcelain sleeve blank 7 through a connecting hose 17. Under the auxiliary sealing action of the sealing gasket 21, the rigid column tube 13 and the porcelain sleeve blank 7 form a connecting pipe. When the rigid column tube 13 is able to stably supply glaze slurry from the glaze slurry container 112, the glaze slurry liquid level in the rigid column tube 13 will be consistent with the glaze slurry liquid level in the inner tube chamber of the porcelain sleeve blank 7. This design makes it possible to accurately monitor the glaze slurry level position in the inner tube of the porcelain sleeve blank 7 by adjusting the liquid level of the hard column tube 13 and cooperating with the scale mark 14 when the inner tube of the porcelain sleeve blank 7 is being dipped in glaze, thereby facilitating the glaze slurry to be evenly poured into the inner cavity of the porcelain sleeve blank 7, thereby ensuring the uniformity and integrity of the inner tube dipping process.

[0044] After the glazing of the inner tube of the porcelain sleeve blank 7 is completed, the return line 15 can be connected via the reversing valve in the tee 16. The provision of the return line 15 allows the excess glaze slurry to be promptly recovered into the glaze slurry container 1 12 after the glazing is completed, thus achieving glaze slurry recycling while avoiding glaze slurry waste and environmental pollution. In addition, the provision of the reversing valve makes switching between the rigid column tube 13 and the return line 15 more convenient, further improving the automation level of the glazing operation.

[0045] After the porcelain sleeve blank 7 completes the inner tube glazing operation at the inner tube glazing position, the horizontal turntable 1 continues to rotate and brings the porcelain sleeve blank 7 to the outer tube glazing position. At this position, the porcelain sleeve blank 7 is converted into a horizontal form by the turntable 23 in the assembly platform 6 to facilitate the outer tube glazing operation.

[0046] The glaze spraying tool at the external tube glazing station includes a glaze gun 37 and a receiving tray 32. The gun body of the glaze gun 37 is mounted on a bracket 36 via a glaze gun assembly 38, which is then fixed to the outside of the assembly platform 6. A shaft 40, a round rod, is installed at the connection between the bracket 36 and the glaze gun assembly 38, running along the length of the porcelain sleeve blank 7. The glaze gun assembly 38 is mounted on the shaft 40 via a shaft sleeve 39. The shaft sleeve 39 allows the glaze gun assembly 38 to be adjusted in angle and slidable along the length of the shaft 40. Furthermore, the shaft sleeve 39 is equipped with a threaded push rod and an arm. The threaded push rod further stabilizes the angle of the glaze gun 37 on the shaft 40. By moving the arm, the position of the glaze gun assembly 38 along the length of the shaft 40 can be adjusted at any time, thereby ensuring the stability and accuracy of the glaze gun 37 during the glaze spraying operation.

[0047] The tail end of the glaze gun 37 is connected to a glaze container II 34 via a glaze supply pipe 35. This container II 34 contains glaze slurry for the outer tube spraying operation. The nozzle of the glaze gun 37 utilizes a fan-shaped, wide-angle glaze nozzle 41. This nozzle design allows the glaze slurry to be sprayed in a wide-angle fan-shaped pattern and evenly applied to the surface of the porcelain sleeve blank 7, corresponding to the shed portion 25 of the porcelain sleeve blank and the portion of the tube body outside the shed portion 25. The design of the glaze gun 37 enables the glaze slurry to be sprayed evenly and continuously onto the outer surface of the porcelain sleeve blank 7 at selected locations, forming a uniform, smooth glaze layer after sintering.

[0048] A receiving tray 32 is positioned below the assembly platform 6. In this embodiment, the surface of the receiving tray 32 is made of an easy-to-clean material, facilitating cleaning and maintenance after use, ensuring a clean and hygienic environment. Furthermore, a recovery line with a filter 33 is located at the bottom of the receiving tray 32, connected to the glaze slurry container II 34. The receiving tray 32 collects dripping glaze slurry during the glazing operation, preventing it from dripping onto the ground and causing pollution and waste. The collected glaze slurry can then be returned to the glaze slurry container II 34 through the recovery line, thus achieving glaze slurry recycling.

[0049] After the glaze spraying operation on the outer tube of the porcelain sleeve blank 7 is completed, it also enters the sanding position in a horizontal position. The sanding operation tools on this sanding position include a sand gun 43 and a sand receiving tray 47. The sand gun 43 is assembled on the outside of the assembly platform 6 through a sand gun assembly frame 44. The structure and function of the sand gun assembly frame 44 are similar to those of the glaze gun assembly seat 38. The only difference is that the clamping part is used to fix the sand gun 43. The angle and position are adjusted by the adjustment mechanism of the sand gun assembly frame 44 to meet the sanding requirements of different porcelain sleeve blanks 7. The tail of the sand gun 43 is connected to the sand material container 48 through the sand material supply pipe 46. The sand material container 48 is filled with sand material for the sanding operation of the porcelain sleeve blank 7; the sand gun 43 is equipped with a sand gun nozzle 42 to ensure that the sand particles are sprayed in a uniform manner. There are two sand guns 43, one on each side, facing the surface of the porcelain sleeve blank glue part 26 of the porcelain sleeve blank 7. The sand gun 43 applies sand to the surface of the porcelain sleeve blank adhesive portion 26 with a certain impact force, ensuring that the sprayed sand evenly and continuously covers the outer surface of the porcelain sleeve blank 7 to form a uniformly adhered and dense sand layer.

[0050] In order to collect the sand material scattered during the sanding operation, a sand receiving tray 47 is configured below the assembly platform 6 to collect the sand particles scattered during the sanding operation. The sand receiving tray 47 is cleaned regularly to ensure that the scattered sand material does not accumulate too much and affect the normal operation of the equipment and the cleanliness of the working environment.

[0051] In addition, the four-station sleeve glazing machine of this embodiment is also equipped with a complete electronic control system. It specifically includes four electronic control component boxes 2 arranged on the surface of the horizontal turntable 1. The electrical control components encapsulated in the four electronic control component boxes 2 are respectively used to control the movement of the assembly platform 6 at the corresponding position. At the same time, a main component box is also provided on the lower side of the horizontal turntable 1. The electrical control components contained in the main component box are responsible for receiving external operating instructions and controlling the operating logic of the entire glazing machine, and are used to centrally control the electrical system of the entire glazing machine. The surface of the main component box is enclosed by an operation panel 5, and the operation panel 5 is provided with a display screen and various operation buttons. The display screen is used to display information such as the working status and parameter settings of the glazing machine, while the operation buttons are used to realize functions such as starting, stopping, and adjusting parameters of the equipment, so as to facilitate the operator to intuitively operate and control the glazing machine.

[0052] The four-station sleeve glazing machine of the present invention utilizes a four-station cyclic operation mode, achieving continuous glazing, spraying, and sandblasting processes, significantly improving production efficiency. Furthermore, the machine boasts a rational design structure, simple operation, and a high degree of automation. It can automatically complete the glazing of the inner and outer surfaces of medium-to-large porcelain sleeve blanks, reducing manual labor and improving product quality.

[0053] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the purpose of these embodiments is only to illustrate the present invention and is not intended to limit the scope of protection of the present invention. In addition, it should also be understood that after reading the technical content of the present invention, those skilled in the art may make various changes, modifications and / or variations to the present invention, and all of these equivalent forms also fall within the scope of protection defined by the claims appended hereto.

Claims

1. A four-station casing glazing machine, characterized in that: The machine comprises a frame, a rotary drive device is provided on the frame, and a horizontal turntable is located on the rotary drive device; Four workstations are arranged on the outside of the horizontal turntable. The four workstations are arranged in sequence according to the rotation direction and process flow, namely, loading and unloading positions, inner tube glazing position, outer tube glazing position and sanding position. The four workstations constitute a circulation workstation system. The horizontal turntable is provided with four assembly platforms matching the workstations, the assembly platforms including a swivel seat, on which a clamping device for clamping the porcelain sleeve blank is provided, the clamping device being an end face clamping device capable of clamping the top and bottom surfaces of the porcelain sleeve blank; the clamping device is provided with a sealing gasket at the bottom as a structural seal to ensure the sealing between the bottom surface of the porcelain sleeve blank and the clamping device in the clamped state; the porcelain sleeve blank in the clamped state can be rotated in a vertical plane through the swivel seat, thereby realizing position conversion from horizontal to vertical; the rotation of the horizontal turntable is controlled by a rotary drive device, and the four swivel seats can realize periodic rotation, thereby completing the sequential cyclic switching between different workstations; The porcelain sleeve blank enters the inner tube glazing position under the vertical position condition or performs a vertical position conversion on the inner tube glazing position, and performs an inner tube glazing treatment in the inner tube glazing position by an in-tube pouring method; The porcelain sleeve blank enters the outer tube glazing position and the sanding position under horizontal position conditions; the outer tube glazing treatment is performed by using a glazing device at the outer tube glazing position, and the porcelain sleeve blank adhesive part is sandblasted at the sanding position.

2. The four-station sleeve glazing machine according to claim 1, characterized in that: The frame is provided with a lifting mechanism, which is arranged at the lower part of the horizontal turntable and is used to drive the horizontal turntable to perform lifting movement in the vertical direction.

3. The four-station sleeve glazing machine according to claim 1, characterized in that: The horizontal turntable is a circular turntable, and the four workstations are evenly distributed along the circumference of the circular turntable.

4. The four-station sleeve glazing machine according to claim 1, characterized in that: The horizontal turntable and the turntable are driven by a stepping motor.

5. The four-station sleeve glazing machine according to claim 1, characterized in that: The clamping device includes a side frame, the swivel seat is assembled on the side frame, the side frame is assembled and connected to the horizontal turntable through the swivel seat, and the upper and lower parts of the side frame are respectively provided with a fixed clamping part and a movable clamping part; The upper surface of the fixed clamping portion matches the bottom surface of the porcelain sleeve blank; The lower surface of the movable clamping part matches the top surface of the porcelain sleeve blank, and the movable clamping part is assembled on the guide slide. The slide rail matching the guide slide is arranged along the connecting direction of the movable clamping part and the fixed clamping part. Through the movement and position adjustment of the guide slide on the slide rail, the movable clamping part can approach or move away from the fixed clamping part to adapt to the clamping requirements of porcelain sleeve blanks of different sizes.

6. The four-station sleeve glazing machine according to claim 1, characterized in that: A sinking platform is pre-formed at the glaze dipping position of the inner tube.

7. The four-station sleeve glazing machine according to claim 1, characterized in that: A glaze slurry injection interface is provided at the middle position of the bottom of the clamping device, and the upper portion of the glaze slurry injection interface corresponds to the inner cavity of the porcelain sleeve blank in the clamping state; A grouting device is provided on the glaze dipping position of the inner tube; The grouting device includes a connecting hose and a hard column pipe. One end of the connecting hose is provided with a quick-connect connector that matches the glaze slurry grouting interface, and the other end is connected to the hard column pipe through a tee with a switching valve. The hard column pipe is fixed in position, and the upper part is connected to the glaze slurry container through a pumping pipeline with a valve, and the other end of the tee is connected to the glaze slurry container through a return pipeline with a valve. Under the condition that the connecting hose is connected to the glaze slurry grouting interface, the hard column tube forms a connecting pipe with the porcelain sleeve blank in a clamped state through the connecting hose.

8. The four-station sleeve glazing machine according to claim 1, characterized in that: The outer tube glaze spraying position is provided with a glaze spraying device, which includes a fan-shaped wide-angle glaze slurry nozzle, which is arranged horizontally; the glaze spraying device is also equipped with a receiving tray and a glaze supply system, and the receiving tray and the fan-shaped wide-angle glaze slurry nozzle are connected to the glaze supply system through a circulation pipeline to ensure the stability and continuity of the glaze spraying; The fan-shaped wide-angle glaze slurry nozzle is arranged on an electric control guide frame, and the electric control guide frame is externally connected to a drive motor. The drive motor is a bidirectional motor that can drive the fan-shaped wide-angle glaze slurry nozzle to move back and forth on a horizontal plane to achieve uniform spraying of the glaze layer on the outer surface of the porcelain sleeve blank.

9. The four-station sleeve glazing machine according to claim 1, characterized in that: The upper sand position is provided with a sand blasting device, which includes a sand blasting gun. The sand blasting gun has a horizontally arranged flat-head nozzle, and the flat-head nozzle is arranged horizontally.

10. The four-station sleeve glazing machine according to claim 7 or 8, characterized in that: The clamping device is connected to a rotating shaft support, through which the porcelain sleeve blank assembled on the clamping device can rotate around its own axis in a horizontal state, and cooperate with the horizontally arranged fan-shaped wide-angle glaze slurry nozzle and flat-head nozzle to achieve outer tube glaze spraying treatment on the outer surface of the porcelain sleeve blank and sandblasting treatment on the glued part of the porcelain sleeve blank.

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