Production equipment for ceramic inner cylinder hanging piece with high sealing performance

Abstract

The invention relates to production equipment for a high-sealing-performance ceramic inner cylinder hanging piece, and belongs to the technical field of ceramic forming. A support is included; the primary treatment unit comprises a feeding assembly arranged on the upper layer of the support, and a discharging port of the feeding assembly is connected with a negative pressure conveying assembly; the negative-pressure extrusion forming unit comprises compaction assemblies arranged on the lower layer of the support, the compaction assemblies are arranged on the upper layer and the lower layer, a discharge port of a negative-pressure conveying assembly is connected with the upper layer of the compaction assemblies, and a discharge port of the lower layer of the compaction assemblies is connected with a negative-pressure extrusion assembly; the double-station conversion assembly is connected with a discharge port of the negative-pressure extrusion assembly, and the double-station conversion assembly rotates to achieve replacement of the forming heads, so that one forming head is replaced to the position of the discharge port of the negative-pressure extrusion assembly; and the flushing unit is used for cleaning the forming head replaced at the position of the discharge port of the negative pressure extrusion assembly. Long-time shutdown is avoided, the silicon carbide pug is not subjected to exposure treatment, contact of operators is avoided, and the working environment of the operators is greatly improved.

Description

Technical Field

[0001] The present invention relates to a production device for high-sealing ceramic inner cylinder hanging pieces, belonging to the technical field of ceramic forming. Background Art

[0002] In the preparation process of silicon carbide ceramic products, forming is one of the key processes. Extrusion forming is a method widely used to produce continuous or semi-continuous ceramic billets with a constant cross-sectional shape, such as pipes, rods, plates, and honeycomb ceramics. Traditional ceramic extrusion forming usually mixes silicon carbide powder with organic binders, plasticizers, lubricants, and solvents (usually water) to prepare a plastic clay, and then extrudes it through the die of an extruder to form.

[0003] Currently, the production equipment mainly uses vacuum extruders. The vacuum extruder evacuates the clay before extrusion to remove the gas in the clay, thereby improving the density and uniformity of the green body, reducing possible defects in subsequent processes, and improving the performance of the final product. There are already some vacuum extrusion equipment for ordinary ceramic materials, which evacuate and degas the clay by setting a vacuum chamber and a vacuum pump in the feeding section or the extrusion cavity.

[0004] The inventor found that there are at least the following technical problems in the prior art: During the production process, different types of inner cylinder hanging pieces are formed by different forming heads. Since different types of inner cylinder hanging pieces need to be produced, after a batch of production is completed, the forming head needs to be replaced. The forming head requires manual disassembly of the lower pressure cover to remove the forming head from the pressure cover, and then it is sent to the cleaning place for flushing with high-pressure water to avoid the drying of silicon carbide remaining on the forming head, which affects subsequent processing. This processing method requires a long downtime for replacement each time. When the cover plate is disassembled, a small amount of residual silicon carbide clay will flow out at the front end, and there is also a lot of residue in the forming head when it is taken out, resulting in difficult operation. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a production device for high-sealing ceramic inner cylinder hanging pieces, which avoids long downtime, does not expose the silicon carbide clay for treatment, and avoids the contact of operators, greatly improving the working environment of the operators.

[0006] The production device for high-sealing ceramic inner cylinder hanging pieces of the present invention includes: A bracket, which is arranged in two layers, upper and lower; The preliminary processing unit comprises a feeding assembly arranged on the upper layer of the bracket, the discharge port of the feeding assembly is connected to a negative pressure conveying assembly, the negative pressure conveying assembly comprises a first auger shaft connected to the feeding assembly, a first driving assembly is arranged at one end of the feeding assembly away from the negative pressure conveying assembly, and an output end of the first driving assembly is connected to the first auger shaft; The negative pressure extrusion molding unit comprises a compaction assembly arranged at the lower layer of the support, the compaction assembly is arranged in two layers, the discharge port of the negative pressure conveying assembly is connected to the upper layer of the compaction assembly, the discharge port of the lower layer of the compaction assembly is connected to the negative pressure extrusion assembly, the negative pressure extrusion assembly comprises a second auger shaft connected to the compaction assembly, a second drive assembly is arranged at one end of the compaction assembly away from the negative pressure extrusion assembly, and the output end of the second drive assembly is connected to the second auger shaft; A replacement unit, comprising a double-station conversion assembly connected to the discharge port of the negative pressure extrusion assembly, wherein the double-station conversion assembly rotates to realize the replacement of the forming head, thereby replacing one of the forming heads to the discharge port position of the negative pressure extrusion assembly; The flushing unit is used to clean the forming head after the discharge port position of the negative pressure extrusion component is changed.

[0007] Furthermore, the compacting assembly includes a compacting shell, the rotating shaft of the first auger shaft extends into the upper space of the compacting shell, and a cutting rod is provided on the rotating shaft located in the compacting shell.

[0008] Furthermore, compaction rollers are provided in the lower space of the compaction shell corresponding to the second auger shaft. The compaction rollers are arranged in parallel above both sides of the second auger to press the material cut off by the breaking rod into the second auger shaft.

[0009] Furthermore, the double-station conversion assembly includes a fixed plate connected to the discharge port of the negative pressure extrusion assembly, and a rotating plate that can rotate 180° is connected to the fixed plate. Both the fixed plate and the rotating plate are provided with corresponding station holes. In the initial position, the station holes on the fixed plate and the rotating plate overlap in pairs. After the rotating plate rotates 180°, the station holes on the fixed plate and the rotating plate overlap in pairs again. A power mechanism for driving the rotating plate to rotate is provided on the fixed plate located on one side of the negative pressure extrusion assembly.

[0010] Furthermore, the power mechanism includes a driving cylinder rotatably connected between two working holes of the fixed plate, the driving cylinder is fixedly connected to the rotating plate, a connecting frame is provided at one end of the driving cylinder, the connecting frame is connected to the fixed plate, the connecting frame is connected to the fixed end of the hydraulic cylinder, the end of the telescopic end of the hydraulic cylinder is connected to a pushing rod, a spiral groove is opened on the driving cylinder, the pushing rod is arranged in the spiral groove, when the pushing rod moves forward, the pushing rod moves along the spiral groove, and the driving cylinder rotates to drive the rotating plate to rotate.

[0011] Furthermore, an annular locking groove is provided on the driving cylinder, a locking point is provided in the locking groove, a locking plate is detachably connected to the rotating plate, and the locking plate is inserted into the locking groove and cooperates with the locking point.

[0012] Furthermore, a sealing mechanism is provided on the outer circle of the work station hole on the fixed plate corresponding to the discharge port of the negative pressure extrusion component. The sealing mechanism includes a sealing groove opened on the fixed plate, a corresponding pneumatic sealing ring is provided in the sealing groove, and an annular air groove is correspondingly opened at one end of the fixed plate away from the sealing groove, and a sealing pressure plate is correspondingly provided on the annular air groove.

[0013] Furthermore, a pressure cover is correspondingly installed on the station hole of the rotating plate, a forming head is arranged inside the pressure cover, and a positioning part is arranged in the inner circle of the station hole of the fixed plate located at the discharge port of the negative pressure extrusion component.

[0014] Furthermore, the negative pressure extrusion assembly includes a plurality of detachably connected conveying cylinders, and a second auger shaft is arranged inside the conveying cylinder.

[0015] Furthermore, a thread guide groove is provided on the inner wall of the conveying cylinder, and the blades of the second auger shaft are extended into the thread guide groove for arrangement.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides a double-station conversion assembly, so that while production is being carried out at one station, the molding head to be replaced can be prepared in advance at another station or the replaced molding head can be cleaned. When replacement is required, it is only necessary to rotate the double-station conversion assembly to quickly switch, which greatly reduces the equipment downtime caused by disassembling, installing, and carrying the molding head, and significantly improves the overall operation efficiency and equipment utilization of the production line.

[0017] A sealing mechanism (such as a pneumatic sealing ring) is provided between the double-station conversion component and the discharge port of the negative pressure extrusion component, which can effectively prevent the leakage of silicon carbide mud during replacement and operation. The molding head is switched between the two stations, which avoids the dripping and splashing of mud when the molding head is taken out in the traditional way, keeps the work site clean, and reduces the waste of raw materials and equipment pollution. The integrated flushing unit can clean the replaced molding head in a timely and standardized manner, avoiding direct contact between the operator and the silicon carbide mud, significantly improving the working environment and reducing labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is one of the structural schematic diagrams of an embodiment of the present invention; Figure 2 This is the second structural diagram of the embodiment of the present invention; Figure 3 yes Figure 2 A partial enlarged view of the middle part; Figure 4 yes Figure 2 A partial enlarged view of point B in the middle; Figure 5 is a structural exploded view of a double-station conversion assembly according to an embodiment of the present invention; Figure 6 is Figure 5 Partial enlarged view at position C in Figure 7 Schematic structural diagram of the dual-station conversion component in an embodiment of the present invention; Figure 8 Schematic structural diagram of the driving cylinder in an embodiment of the present invention; Figure 9 Schematic structural diagram of the fixing plate in an embodiment of the present invention; Figure 10 is Figure 9 Partial sectional view taken along D-D in Figure 11 Schematic structural diagram of the conveying cylinder in an embodiment of the present invention; Figure 12 Schematic structural diagram of the second auger shaft in an embodiment of the present invention; Figure 13 Schematic structural diagram of the flushing unit in an embodiment of the present invention; Figure 14 Schematic structural diagram of the sealed flushing component in an embodiment of the present invention; Figure 15 One of the schematic structural diagrams of the water spraying component in an embodiment of the present invention; Figure 16 Another schematic structural diagram of the water spraying component in an embodiment of the present invention; In the figure: 1. Bracket; 2. First driving component; 3. Feeding component; 4. Negative pressure conveying component; 41. First auger shaft; 411. Rotating shaft; 42. Negative pressure housing; 5. Compacting component; 51. Stock cutting rod; 52. Compacting housing; 53. Gear set; 54. Compacting roller; 6. Negative pressure extrusion component; 61. Second auger shaft; 611. Spiral blade; 62. Conveying cylinder; 621. Threaded guide groove; 7. Dual-station conversion component; 71. Rotating plate; 72. Pressing cover; 73. Power mechanism; 731. Hydraulic cylinder; 7311. Pushing rod; 732. Connecting frame; 733. Driving cylinder; 7331. Annular locking groove; 7332. Locking point; 7333. Spiral groove; 74. Fixing plate; 741. Sealing groove; 742. Sealing pressing plate; 743. Pneumatic sealing ring; 744. Annular air groove; 745. Positioning part; 7441. Air inlet channel; 75. Locking mechanism; 76. Locking plate; 8. Flushing unit; 81. Water spraying assembly; 811. Water spraying rack; 812. Second sealing pressure plate; 813. Water spraying mechanism; 8131. Water spraying housing; 8132. Fan blade shaft; 8133. Water spraying support frame; 8134. Water inlet channel; 814. First sealing pressure plate; 815. Moving frame; 82. Moving water station 9. Second driving assembly 100. Forming head; 200. Station hole Detailed implementation manners

[0019] Embodiment As Figures 1 to 16 shown, the production equipment of the high-sealing ceramic inner cylinder hanging piece described in the present invention includes: Support 1, which is arranged in two layers, upper and lower Preliminary treatment unit, including a feeding assembly 3 arranged on the upper layer of the support 1. The discharge port of the feeding assembly 3 is connected to a negative pressure conveying assembly 4. The negative pressure conveying assembly 4 includes a first auger shaft 41 connected to the feeding assembly 3. One end of the feeding assembly 3 facing away from the negative pressure conveying assembly 4 is provided with a first driving assembly 2, and the output end of the first driving assembly 2 is connected to the first auger shaft 41 The feeding assembly 3 includes a feeding housing. The feeding port is arranged at the upper end of the feeding housing, and the mud material entering through the feeding port falls onto the first auger shaft 41. The discharge port of the feeding housing is adapted to the outer diameter of the blades of the first auger shaft 41, so as to avoid the negative pressure in the negative pressure conveying assembly 4 being damaged due to the too large discharge port of the feeding housing

[0020] Negative pressure extrusion forming unit, including a compaction assembly 5 arranged on the lower layer of the support 1. The compaction assembly 5 is arranged in two layers, upper and lower. The discharge port of the negative pressure conveying assembly 4 is connected to the upper layer of the compaction assembly 5, and the discharge port of the lower layer of the compaction assembly 5 is connected to a negative pressure extrusion assembly 6. The negative pressure extrusion assembly 6 includes a second auger shaft 61 connected to the compaction assembly 5. One end of the compaction assembly 5 facing away from the negative pressure extrusion assembly 6 is provided with a second driving assembly 9, and the output end of the second driving assembly 9 is connected to the second auger shaft 61 Both the first driving assembly 2 and the second driving assembly 9 are arranged with a motor and a speed reducer

[0021] Replacement unit, including a double-station conversion assembly 7 connected to the discharge port of the negative pressure extrusion assembly 6. The double-station conversion assembly 7 rotates to realize the replacement of the forming head 100, so as to replace one of the forming heads 100 to the position of the discharge port of the negative pressure extrusion assembly 6 As Figure 13As shown, a flushing unit 8 is used to clean the forming head 100 replaced at the discharge port position of the negative pressure extrusion assembly 6. The flushing unit 8 includes a mobile water station 82 for pumping water. The water pipe output end of the mobile water station 82 is connected to a water spraying assembly 81. The water spraying assembly 81 includes a water spraying frame 811. A first sealing pressing disc 814 is threadedly connected to the lead screw on the water spraying frame 811. The lead screw is rotationally connected to the first sealing pressing disc 814. The first sealing pressing disc 814 is used to abut against the gland 72. A water outlet pipe is connected to the first sealing pressing disc 814 for recovering the silicon carbide mud flushed down. The water outlet pipe is arranged at the lower end position of the first sealing pressing disc 814.

[0022] A second sealing pressing disc 812 is provided on the corresponding end of the water spraying frame 811 of the first sealing pressing disc 814. A moving frame 815 is slidably connected to the water spraying frame 811. The moving frame 815 can slide up and down. A pull pin is provided on the moving frame 815. When the button (or knob) is pulled up, the pin will withdraw from the lock hole, thus unlocking the component; after releasing, the spring will push the pin back. If it aligns with the next lock hole, it will be re-locked. A second sealing pressing disc 812 is threadedly connected to the lead screw on the moving frame 815. The lead screw is rotationally connected to the second sealing pressing disc 812. The second sealing pressing disc 812 is used to abut against the working hole 200 of the fixing plate 74.

[0023] A water spraying mechanism 813 is connected to the inner side surface of the second sealing pressing disc 812. The water spraying mechanism 813 includes a water spraying housing 8131. One end inside the water spraying housing 8131 is connected with a water inlet channel 8134. A fan blade shaft 8132 is rotationally connected inside the water spraying housing 8131. The other end of the water spraying housing 8131 is snap-connected with a water spraying support frame 8133. The water spraying support frame 8133 is used to rotationally support the other end of the fan blade shaft 8132. A water spraying disc is threadedly connected to the end of the fan blade shaft 8132. A number of water spraying heads are circumferentially arranged on the water spraying disc. Water enters from the water inlet channel 8134, drives the fan blade shaft 8132 to rotate, and the fan blade shaft 8132 drives the water spraying disc to rotate, and the dynamic flushing can better clean the inside of the forming head 100.

[0024] The compaction assembly 5 includes a compaction housing 52. The rotating shaft 411 of the first auger shaft 41 extends into the upper space of the compaction housing 52. A material cutting rod 51 is provided on the rotating shaft 411 located inside the compaction housing 52. The material cutting rod 51 is used to cut off the silicon carbide mud so that it falls into the lower layer.

[0025] A compaction roller 54 is provided corresponding to the second auger shaft 61 in the lower space of the compaction housing 52. The compaction roller 54 is arranged in parallel above both sides of the second auger to press the material cut off by the material cutting rod 51 into the second auger shaft 61.

[0026] As Figure 3As shown, the compaction roller 54 is rotatably connected inside the compaction housing 52. One end of the compaction roller 54 extends out of the compaction housing 52, and one end of the rotating shaft 411 extends out of the compaction housing 52. There is also a rotating shaft rotatably connected outside the compaction housing 52. The extending part of the rotating shaft 411 and the rotating shaft are connected by a gear set 53. The part of the compaction roller 54 extending out of the compaction housing 52 is respectively connected to the outer shaft of the gear set 53 through a chain drive, so as to transmit the power of the rotating shaft 411 to the compaction roller 54 respectively. Through such a design, the separate design of the drive for the compaction roller 54 is avoided, greatly saving costs.

[0027] As Figures 4 to 10 shown, the double-station conversion assembly 7 includes a fixing plate 74 connected to the discharge port of the negative pressure extrusion assembly 6. A rotatable rotating plate 71 is connected to the fixing plate 74. Station holes 200 are correspondingly formed on both the fixing plate 74 and the rotating plate 71. In the initial position, the station holes 200 on the fixing plate 74 and the rotating plate 71 coincide in pairs. After the rotating plate 71 rotates 180°, the station holes 200 on the fixing plate 74 and the rotating plate 71 coincide in pairs again. A power mechanism 73 for driving the rotating plate 71 to rotate is provided on the fixing plate 74 on one side of the negative pressure extrusion assembly 6.

[0028] The power mechanism 73 includes a driving cylinder 733 rotatably connected between the two station holes 200 of the fixing plate 74. The driving cylinder 733 is fixedly connected to the rotating plate 71. A connecting frame 732 is provided at one end of the driving cylinder 733. The connecting frame 732 is connected to the fixing plate 74. The fixed end of a hydraulic cylinder 731 is connected to the connecting frame 732. The end of the telescopic end of the hydraulic cylinder 731 is connected with a push rod 7311. A spiral groove 7333 is formed on the driving cylinder 733. The push rod 7311 is arranged in the spiral groove 7333. When the push rod 7311 moves forward, the push rod 7311 moves along the spiral groove 7333, and the rotation of the driving cylinder 733 drives the rotating plate 71 to rotate. Driving the rotating plate 71 through the hydraulic cylinder 731 can not only ensure the torque but also simplify the design. If a motor is used in combination with a speed reducer, it needs to be designed too large, thus affecting the layout.

[0029] As Figure 6 shown, the push rod 7311 is screwed into the extension rod of the telescopic end of the hydraulic cylinder 731 through a thread. A support ring is rotatably sleeved on the outer circle of the push rod 7311. The support ring is made of wear-resistant material to prevent the push rod 7311 from being excessively worn during the movement along the spiral groove 7333.

[0030] As Figure 8As shown, the spiral groove 7333 corresponds to a double-line design. The starting ends of the spiral grooves 7333 are 180° apart and have the same pitch. It only needs to rotate half a turn on the cylindrical surface of the drive cylinder 733, so as to ensure that it rotates exactly 180° after the hydraulic cylinder 731 expands and contracts. During the manufacturing process, the pitch of the spiral groove 7333 should be made as large as possible, that is, the length of the drive cylinder 733 is increased, so that it is smoother when the hydraulic cylinder 731 works.

[0031] An annular locking groove 7331 is provided on the drive cylinder 733. Locking points 7332 are provided in the locking groove. A locking plate 76 is detachably connected to the rotating plate 71. The locking plate 76 is inserted into the locking groove and cooperates with the locking points 7332.

[0032] A sealing mechanism is provided on the outer circle of the working hole 200 corresponding to the discharge port of the negative pressure extrusion assembly 6 on the fixed plate 74. The sealing mechanism includes a sealing groove 741 opened on the fixed plate 74. An air-operated sealing ring 743 adapted thereto is provided in the sealing groove 741. An annular air groove 744 is correspondingly opened at one end of the fixed plate 74 facing away from the sealing groove 741. A sealing pressing plate 742 is correspondingly provided on the annular air groove 744.

[0033] As Figure 7 shown, an air inlet channel 7441 is opened on the fixed plate 74. The air inlet channel 7441 is connected to the annular air groove 744.

[0034] A gland 72 is correspondingly installed on the working hole 200 of the rotating plate 71. A forming head 100 is provided in the gland 72. A positioning portion 745 is provided on the inner circle of the working hole 200 of the fixed plate 74 located at the discharge port of the negative pressure extrusion assembly 6.

[0035] As Figure 4 and Figure 7 shown, a locking mechanism 75 is hinged to one side of the fixed plate 74 at the discharge port of the negative pressure extrusion assembly 6. The locking mechanism 75 includes a threaded rod hinged to the fixed plate 74. A pressure plate is threadedly connected to the threaded rod. A mating U-shaped groove is correspondingly opened on the rotating plate 71. By rotating the threaded rod along the hinge point of the fixed plate 74, the threaded rod can be pressed into the U-shaped groove, thereby achieving clamping and preventing the drive cylinder 733 from being damaged in advance due to excessive force during work.

[0036] The negative pressure extrusion assembly 6 includes a plurality of detachably connected conveying cylinders 62. A second auger shaft 61 is provided in the conveying cylinder 62.

[0037] Threaded guide grooves 621 are provided on the inner wall of the conveying cylinder 62. The blades of the second auger shaft 61 extend into the threaded guide grooves 621. This ensures the efficiency of negative pressure extraction and at the same time improves the transportation efficiency.

[0038] The spiral blades 611 at the end of the second auger shaft 61 are arranged in a double helix. This greatly improves the extrusion efficiency.

[0039] Working process or principle: Feeding and upper layer conveying: The silicon carbide mud enters the system through the feeding component 3. The first driving component 2 drives the first auger shaft 41 to rotate, generating a negative pressure in the upper part of the negative pressure housing 42 of the negative pressure conveying component 4, sucking out the air in the mud, and the silicon carbide mud is conveyed from the negative pressure conveying component 4 to the upper layer of the compaction component 5. The negative pressure environment helps to remove some gases in the mud and initially improve the compactness of the mud.

[0040] Material cutoff and compaction: The rotating shaft 411 of the first auger shaft 41 extends to the upper layer of the compaction component 5, and the cutoff rod 51 thereon cuts the continuously conveyed mud into segments, causing it to fall into the lower layer of the compaction component 5. The compaction roller 54 (driven by the first auger shaft 41 through the gear set 53 and chain drive) forcibly presses the fallen mud into the second auger shaft 61, further removing gases and increasing the density of the mud.

[0041] Lower layer conveying and extrusion: The second driving component 9 drives the second auger shaft 61 to rotate. A negative pressure environment is also maintained in the negative pressure extrusion component 6. The second auger shaft 61 strongly conveys and extrudes the compacted mud in the conveying cylinder 62 (with threaded guide grooves 621 on the inner wall and the blades extending therein). The design of the double spiral blades 611 at the end enhances the extrusion efficiency and the density of the final product.

[0042] Forming: The mud passes through the discharge port of the negative pressure extrusion component 6 and is extruded through the forming head 100 installed on the double-station conversion component 7 to form a ceramic inner cylinder hanging piece of the required shape. The pneumatic sealing ring 743 on the fixing plate 74 ensures the seal during extrusion with the forming head (installed on the rotating plate 71 through the gland 72).

[0043] Double-station conversion: The power mechanism 73 of the double-station conversion component 7 (the hydraulic cylinder 731 drives the push rod 7311 to move in the spiral groove 7333 of the drive cylinder 733) can make the rotating plate 71 rotate 180° relative to the fixing plate 74. This enables the forming head of one station to be replaced or cleaned while the forming head of the other station is working, achieving continuous production or rapid switching. The locking mechanism 75 ensures the stability of the rotating plate 71 in the working position.

[0044] Positioning and sealing: When a used forming head 100 is rotated to a non-working position (reserved for docking with the flushing unit 8) through the double-station conversion component 7, the water spraying frame 811 of the flushing unit 8 moves into place. The first sealing disc 814 abuts and seals the gland 72 where the forming head is located, and the second sealing disc 812 abuts and seals the station hole 200 of the fixing plate 74.

[0045] Dynamic flushing: The mobile water station 82 supplies water. Water enters the spraying housing 8131 of the spraying mechanism 813 through the water inlet channel 8134, driving the fan blade shaft 8132 and the spraying disc at its end to rotate. The spray heads on the spraying disc spray high-pressure water into the inside of the forming head 100 for dynamic and all-round flushing to effectively remove the residual silicon carbide mud. The waste after flushing is recycled through the water outlet pipe at the lower end of the first sealing pressing disc 814.

[0046] Forming head replacement: When the forming head 100 needs to be replaced (for example, when changing the product specifications of the ceramic hanging pieces), first stop the extrusion. The second driving component 9 drives the second auger shaft 61 to rotate in the reverse direction, and the mud in the forming head 100 that has not been extruded is pushed back.

[0047] Release the locking mechanism 75.

[0048] Start the power mechanism 73 of the double-station conversion component 7 (the hydraulic cylinder 731 acts).

[0049] The push rod 7311 moves in the spiral groove 7333 of the driving cylinder 733, causing the driving cylinder 733 and the fixed rotating plate 71 to rotate 180°.

[0050] The forming head 100 at the original working position is rotated to the position to be cleaned / replaced, and at the same time, the spare new forming head 100 or the cleaned forming head is rotated to the working position (aligned with the discharge port of the negative pressure extrusion component 6).

[0051] Lock the locking mechanism 75, and the pneumatic sealing ring 743 is inflated again for sealing.

[0052] Continue the extrusion process.

[0053] Forming head flushing (parallel to production or after replacement): Move the flushing unit 8 to the forming head 100 that has been rotated to the position to be cleaned.

[0054] Operate the moving frame 815 so that the first sealing pressing disc 814 closely abuts against the gland 72, and the second sealing pressing disc 812 closely abuts against the working hole 200 of the fixed plate 74.

[0055] Start the mobile water station 82, and high-pressure water enters the spraying mechanism 813.

[0056] The water flow drives the fan blade shaft 8132 and the spraying disc to rotate, and the spray heads perform 360° dynamic flushing on the inside of the forming head 100.

[0057] The wastewater containing silicon carbide mud after flushing is collected and recycled through the water outlet pipe.

[0058] After the cleaning is completed, move the flushing unit 8 away, and this forming head 100 can be used as a spare.

[0059] In the present invention, the description of the direction and relative positional relationship of the structure, such as the description of front, back, left, right, up, and down, does not constitute a limitation on the present invention and is only for convenience of description.

Claims

1. A production device for high-sealing ceramic inner cylinder hanging pieces, characterized in that, Including: A bracket (1), which is arranged in two layers, upper and lower; A preliminary treatment unit, including a feeding component (3) arranged on the upper layer of the bracket (1). The discharge port of the feeding component (3) is connected to a negative pressure conveying component (4). The negative pressure conveying component (4) includes a first auger shaft (41) connected to the feeding component (3). One end of the feeding component (3) facing away from the negative pressure conveying component (4) is provided with a first driving component (2), and the output end of the first driving component (2) is connected to the first auger shaft (41); A negative pressure extrusion forming unit, including a compaction component (5) arranged on the lower layer of the bracket (1). The compaction component (5) is arranged in two layers, upper and lower. The discharge port of the negative pressure conveying component (4) is connected to the upper layer of the compaction component (5), and the discharge port of the lower layer of the compaction component (5) is connected to a negative pressure extrusion component (6). The negative pressure extrusion component (6) includes a second auger shaft (61) connected to the compaction component (5). One end of the compaction component (5) facing away from the negative pressure extrusion component (6) is provided with a second driving component (9), and the output end of the second driving component (9) is connected to the second auger shaft (61); A replacement unit, including a two-station conversion component (7) connected to the discharge port of the negative pressure extrusion component (6). The two-station conversion component (7) rotates to realize the replacement of the forming head (100), so as to replace one of the forming heads (100) to the position of the discharge port of the negative pressure extrusion component (6); A flushing unit (8) for cleaning the forming head (100) replaced at the discharge port position of the negative pressure extrusion component (6).

2. The production equipment of the high-sealing ceramic inner cylinder hanging piece according to claim 1, characterized in that, The compaction component (5) includes a compaction housing (52). The rotating shaft (411) of the first auger shaft (41) extends into the upper space of the compaction housing (52), and a material cutting rod (51) is arranged on the rotating shaft (411) located in the compaction housing (52).

3. The production equipment of the high-sealing ceramic inner cylinder hanging piece according to claim 2, characterized in that, In the lower space of the compaction housing (52), a compaction roller (54) is arranged corresponding to the second auger shaft (61). The compaction roller (54) is arranged in parallel above both sides of the second auger, and presses the material broken by the material cutting rod (51) into the second auger shaft (61).

4. The production equipment of the high-sealing ceramic inner cylinder hanging piece according to claim 1, characterized in that, The two-station conversion component (7) includes a fixed plate (74) connected to the discharge port of the negative pressure extrusion component (6). A rotating plate (71) that can rotate 180° is connected to the fixed plate (74). Station holes (200) are correspondingly formed on both the fixed plate (74) and the rotating plate (71). In the initial position, the station holes (200) on the fixed plate (74) and the rotating plate (71) coincide in pairs. After the rotating plate (71) rotates 180°, the station holes (200) on the fixed plate (74) and the rotating plate (71) coincide in pairs again. A power mechanism (73) for driving the rotating plate (71) to rotate is arranged on the fixed plate (74) on one side of the negative pressure extrusion component (6).

5. The production equipment of the high-sealing ceramic inner cylinder hanging piece according to claim 4, characterized in that, The power mechanism (73) comprises a driving cylinder (733) rotatably connected between two workstation holes (200) of the fixed plate (74); the driving cylinder (733) is fixedly connected to the rotating plate (71); a connecting frame (732) is provided at one end of the driving cylinder (733); the connecting frame (732) is connected to the fixed plate (74); the connecting frame (732) is connected to the fixed end of the hydraulic cylinder (731); the end of the telescopic end of the hydraulic cylinder (731) is connected to a pushing rod (7311); a spiral groove (7333) is provided on the driving cylinder (733); the pushing rod (7311) is arranged in the spiral groove (7333); when the pushing rod (7311) moves forward, the pushing rod (7311) moves along the spiral groove (7333), and the driving cylinder (733) rotates to drive the rotating plate (71) to rotate.

6. The production equipment of the high-sealing ceramic inner cylinder hanging piece according to claim 5, characterized in that, The driving cylinder (733) is provided with an annular locking groove (7331), a locking point (7332) is provided in the locking groove, and a locking plate (76) is detachably connected to the rotating plate (71), and the locking plate (76) is inserted into the locking groove and cooperates with the locking point (7332).

7. The production equipment of the high-sealing ceramic inner cylinder hanging piece according to claim 4, characterized in that, A sealing mechanism is provided on the outer ring of the station hole (200) on the fixed plate (74) corresponding to the discharge port of the negative pressure extrusion assembly (6), the sealing mechanism comprising a sealing groove (741) provided on the fixed plate (74), a matching pneumatic sealing ring (743) provided in the sealing groove (741), an annular air groove (744) correspondingly provided on one end of the fixed plate (74) away from the sealing groove (741), and a sealing pressure plate (742) correspondingly provided on the annular air groove (744).

8. The production equipment of the highly-sealed ceramic inner cylinder hanging piece according to claim 4, characterized in that, A pressure cover (72) is correspondingly mounted on the station hole (200) of the rotating plate (71), a forming head (100) is arranged inside the pressure cover (72), and a positioning portion (745) is arranged on the inner circle of the station hole (200) of the fixed plate (74) located at the discharge port of the negative pressure extrusion assembly (6).

9. The production equipment of the highly-sealed ceramic inner cylinder hanging piece according to claim 1, characterized in that, The negative pressure extrusion assembly (6) comprises a plurality of detachably connected conveying cylinders (62), wherein a second auger shaft (61) is arranged in the conveying cylinder (62).

10. The production equipment of the high-sealing ceramic inner cylinder hanging piece according to claim 9, characterized in that, A thread guide groove (621) is provided on the inner wall of the conveying cylinder (62), and the blades of the second auger shaft (61) extend into the thread guide groove (621) and are arranged.

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