Three-way catalyst inner core machining device

Abstract

The invention relates to the technical field of three-way catalyst machining, in particular to a three-way catalyst inner core machining device. The device comprises an operation table, a rotating column rotationally arranged at the end of the upper surface of the operation table, a plurality of containing barrels arranged on the periphery of the rotating column through connecting plates, locking structures arranged in the containing barrels, a feeding conveying belt arranged at the end of the operation table and a discharging conveying belt arranged on the side face of the operation table. The axis of the rotating column is perpendicular to the upper surface of the operation table, the axis of the containing cylinder is parallel to the axis of the rotating column, the axis of the containing cylinder and the axis of the rotating column are spaced, the upper surface of the feeding conveying belt is flush with the upper end face of the containing cylinder, and the horizontal height of the upper surface of the discharging conveying belt is smaller than that of the lower end face of the containing cylinder. And the effects that the inner core carriers are automatically fed and discharged, and the inner core machining efficiency is improved are achieved.

Description

Technical Field

[0001] This application relates to the field of three-way catalytic converter processing technology, and in particular to a three-way catalytic converter core processing apparatus. Background Technology

[0002] Currently, the three-way catalytic converter is the most important external purification device installed in the automotive exhaust system. It can convert harmful gases such as CO, HC, and NOx emitted from vehicle exhaust into harmless carbon dioxide, water, and nitrogen through oxidation and reduction reactions, thereby reducing the pollution of the environment by vehicle exhaust. The inner core of the three-way catalytic converter usually refers to its carrier and catalyst coating. It is the core component of the three-way catalytic converter to achieve the exhaust purification function. The inner core is generally a honeycomb structure, and the catalyst coating is applied to the honeycomb channel walls of the carrier, so that the exhaust gas can fully contact the catalyst, thereby improving the efficiency of the catalytic reaction.

[0003] Existing catalyst coating in a honeycomb structure is typically achieved using negative pressure coating technology. By applying negative pressure to the honeycomb channels of the carrier, the catalyst slurry containing precious metals, γ-alumina, and rare earth elements is driven to uniformly penetrate and adhere to the channel walls under the action of pressure difference. This ultimately achieves a coating effect of "thin coating, uniform distribution, and no accumulation in the channels". This technology can increase the utilization rate of precious metals to over 85% while ensuring that the pore patency of the carrier is ≥95%. In the catalyst core processing stage, manual operation is required to accurately transfer and position the prefabricated honeycomb carrier to the core coating station before subsequent catalyst coating operations are carried out.

[0004] The existing technical solutions mentioned above have the following drawbacks: manual feeding for the processing of three-way catalytic converter inner cores requires manual completion of a series of operations, including "carrier core removal, manual pressing and sealing, and standing for coating." Each batch operation is time-consuming and prone to deviations due to differences in operator skill. The pressure and duration of the manual pressing and sealing operation are entirely controlled by the operator, resulting in poor sealing stability. If the sealing is substandard, it can lead to negative pressure leakage, causing uneven slurry coating and pore blockage. Under the manual operation mode, the efficiency of a single workstation is fixed, which is difficult to match the capacity requirements of large-scale production. At the same time, long-term repetitive manual operations increase labor costs and are prone to operational errors due to operator fatigue, causing fluctuations in product yield and hindering the mass production and standardization of inner cores. Summary of the Invention

[0005] This application provides a three-way catalytic converter inner core processing device to automatically load and unload the inner core carrier and improve the inner core processing efficiency.

[0006] The above-mentioned technical objective of this application is achieved through the following technical solution:

[0007] A three-way catalytic converter inner core processing device includes an operating table, a rotating column rotatably disposed at the upper end of the operating table, multiple placement cylinders disposed around the rotating column via connecting plates, a locking structure disposed inside the placement cylinders, a feeding conveyor belt disposed at the end of the operating table, and a discharging conveyor belt disposed on the side of the operating table. The axis of the rotating column is perpendicular to the upper surface of the operating table, the axis of the placement cylinders is parallel to the axis of the rotating column, and the two are spaced apart. The upper surface of the feeding conveyor belt is flush with the upper end face of the placement cylinder, and the upper surface of the discharging conveyor belt is at a lower level than the lower end face of the placement cylinder. The locking structure can temporarily restrict the inner core carrier inside the placement cylinder.

[0008] By adopting the above technical solution, and by setting up an operating table, a rotating column, a connecting plate, a placement cylinder, a locking structure, a feeding conveyor belt, and a discharging conveyor belt, the axis of the rotating column is perpendicular to the surface of the operating table, the axis of the placement cylinder is parallel to and spaced apart from the axis of the rotating column, the upper surface of the feeding conveyor belt is flush with the upper end face of the placement cylinder, and the upper surface of the discharging conveyor belt is lower than the lower end face of the placement cylinder. This allows the feeding conveyor belt to smoothly transport the inner core carrier into the placement cylinder, the locking structure to temporarily restrict the position of the carrier, and the rotating column to drive the placement cylinder to rotate to achieve continuous processing. After processing, the carrier falls from the placement cylinder to the discharging conveyor belt, completing the automatic loading and unloading of the inner core carrier, reducing the time spent on manual processes, and improving the processing efficiency of the inner core.

[0009] Optionally, the locking structure includes a rotating rod disposed inside the placement cylinder, a gear disposed at the end of the rotating rod, and a pad disposed on the end face of the gear. A mounting cavity is coaxially formed inside the placement cylinder, the mounting cavity being located at the lower end of the placement cylinder. The axis of the rotating rod is parallel to the axis of the placement cylinder. The gear is coaxially sleeved on the lower end peripheral wall of the rotating rod. The end face of the pad is fixedly connected to the lower end face of the gear. A notch is formed in the inner wall of the placement cylinder, the notch connecting the inner peripheral wall of the placement cylinder and the mounting cavity. The end of the pad away from the gear can be located inside the placement cylinder through the notch.

[0010] By adopting the above technical solution, by setting a rotating rod, gear and pad, the gap between the inner peripheral wall of the placement cylinder and the installation cavity is connected, and the end of the pad is fixed to the gear, the pad can enter the placement cylinder through the gap, support the inner core carrier placed in the placement cylinder, so that the carrier maintains a relatively stable state in the placement cylinder, which is suitable for the subsequent catalyst coating process.

[0011] Optionally, the locking structure further includes an annular rack disposed within the mounting cavity. The inner circumferential wall of the annular rack is provided with teeth that mesh with gears. A movable hole is provided on the lower end of the outer circumferential wall of the placement cylinder, opposite to the rotating column. The movable hole connects the outer circumferential wall of the placement cylinder and the mounting cavity. A limiting member is slidably disposed within the movable hole. The limiting member is fixedly connected to the outer circumferential wall of the annular rack. An unlocking member is disposed directly above the end of the unloading conveyor belt. The unlocking member is connected to the unloading conveyor belt frame via a connecting rod and can contact the limiting member.

[0012] By adopting the above technical solution, and by setting an annular rack, a limiting component, and an unlocking component, the annular rack meshes with the gear, so that when the placement cylinder rotates to the top of the unloading conveyor belt, the unlocking component contacts the limiting component and drives the annular rack to rotate, thereby driving the gear and the rotating rod to rotate, so that the pad is retracted into the mounting cavity, and the processed inner core carrier falls from the placement cylinder to the unloading conveyor belt under the action of gravity, thus realizing the automatic unloading of the processed carrier.

[0013] Optionally, positioning plates are provided at intervals above the end of the feeding conveyor belt. The end face of the positioning plate is arc-shaped. The positioning plate is connected to the end frame of the feeding conveyor belt through a connecting rod. When the placement cylinder is located at the end of the feeding conveyor belt, the positioning plate is located above the placement cylinder, and the concave plate surface of the positioning plate is flush with the inner wall of the placement cylinder. The connecting rod does not interfere with the rotation of multiple placement cylinders.

[0014] By adopting the above technical solution and setting a positioning plate, when the inner core carrier is conveyed by the feeding conveyor belt, the carrier can be guided by the arc-shaped positioning plate to accurately enter the placement cylinder along the concave plate surface and form a good fit with the inner wall of the placement cylinder, providing suitable conditions for the reference alignment during subsequent processing.

[0015] Optionally, the inner edge of the upper end face of the placement cylinder is chamfered.

[0016] By adopting the above technical solution and setting a chamfer on the inner edge of the upper end face of the placement cylinder, the inner core carrier can be more easily placed into the placement cylinder when the feeding conveyor belt transports it to the placement cylinder, reducing the contact resistance between the carrier and the inner edge of the upper end of the placement cylinder, and improving the smoothness of feeding in conjunction with the conveying action of the feeding conveyor belt.

[0017] Optionally, the outer edge of the lower end face of the placement cylinder is chamfered.

[0018] By adopting the above technical solution and setting a chamfer on the outer edge of the lower end face of the placement cylinder, when the rotating column moves the placement cylinder to the top of the negative pressure platform, the lower end face of the placement cylinder can form a better fit with the surface of the negative pressure platform, providing suitable structural conditions for the application of negative pressure coating technology and helping the catalyst slurry to adhere evenly to the pore wall of the carrier under the action of pressure difference.

[0019] Optionally, a coil spring is sleeved on the peripheral wall of the rotating rod, and the two ends of the coil spring are respectively fixed to the end wall of the mounting cavity and the end face of the gear.

[0020] By adopting the above technical solution and setting a coil spring, after the unlocking part and the limiting part are disengaged, the elastic force of the coil spring can drive the gear and rotating rod to reset, so that the pad can re-enter the placement cylinder through the notch, preparing for the next load on the inner core carrier and maintaining the cyclic use effect of the locking structure.

[0021] Optionally, the surface of the pad is arc-shaped, and the axis of the recessed sidewall of the pad can coincide with the axis of the placement cylinder.

[0022] By adopting the above technical solution and setting an arc-shaped pad, it can be adapted to the installation cavity, thereby improving space utilization.

[0023] Optionally, the rotating column has a strip-shaped sliding groove along the axial direction on its peripheral wall. The end of the connecting plate is adapted to the sliding groove and is slidably disposed in the sliding groove. The end face of the connecting plate is slidably attached to the bottom of the sliding groove. A second guide post is disposed in the sliding groove. The two ends of the second guide post are respectively inserted into the two end walls of the sliding groove. The connecting plate is slidably sleeved on the peripheral wall of the second guide post.

[0024] By adopting the above technical solution, and by setting a sliding groove and a second guide post, the connecting plate can slide flexibly along the axial direction of the second guide post and the sliding groove, thereby driving the placement cylinder to adjust its position in the up and down direction. This ensures that the placement cylinder has a suitable space when it is in contact with the negative pressure platform, thus guaranteeing the fit between the placement cylinder and the negative pressure platform.

[0025] Optionally, a second spring is sleeved on the peripheral wall of the second guide column. The second spring is located on the side of the connecting plate away from the operating table, and the two ends of the second spring abut against the surface of the connecting plate and the end wall of the sliding groove, respectively.

[0026] By adopting the above technical solution and setting a second spring, the sliding of the connecting plate can be buffered, making the placement cylinder fit more tightly against the negative pressure platform.

[0027] In summary, this application has the following technical effects:

[0028] 1. By setting up an operating table, a rotating column, a connecting plate, a placement cylinder, a locking structure, a feeding conveyor belt, and a discharging conveyor belt, the axis of the rotating column is perpendicular to the surface of the operating table, the axis of the placement cylinder is parallel to and spaced apart from the axis of the rotating column, the upper surface of the feeding conveyor belt is flush with the upper end face of the placement cylinder, and the upper surface of the discharging conveyor belt is lower than the lower end face of the placement cylinder. This allows the feeding conveyor belt to smoothly transport the inner core carrier into the placement cylinder, the locking structure temporarily restricts the position of the carrier, the rotating column drives the placement cylinder to rotate to achieve continuous processing, and after processing, the carrier falls from the placement cylinder to the discharging conveyor belt, completing the automatic loading and unloading of the inner core carrier, reducing the time consumption of manual intervention in the process, and improving the processing efficiency of the inner core.

[0029] 2. By setting a rotating rod, gear and pad, the gap between the inner peripheral wall of the placement cylinder and the installation cavity is connected. The end of the pad is fixed to the gear, which allows the pad to enter the placement cylinder through the gap and support the inner core carrier placed in the placement cylinder from different directions, so that the carrier maintains a relatively stable state in the placement cylinder, which is suitable for the subsequent catalyst coating process.

[0030] 3. By setting up an annular rack, a limiting component, and an unlocking component, the annular rack meshes with the gear, allowing the placement cylinder to rotate above the unloading conveyor belt. The unlocking component contacts the limiting component, causing the annular rack to rotate, which in turn drives the gear and the rotating rod to rotate, causing the pad to retract into the mounting cavity. This allows the processed inner core carrier to fall from the placement cylinder onto the unloading conveyor belt under the action of gravity, thus realizing the automatic unloading of the processed carrier. Attached Figure Description

[0031] Figure 1 This is a structural diagram of the object of this application;

[0032] Figure 2 This is a structural diagram of the grouting assembly of this application;

[0033] Figure 3 This is a structural diagram of the internal structure of the grouting pipe in this application;

[0034] Figure 4 This is a structural diagram of the rotating component of this application;

[0035] Figure 5 This is a structural diagram of the rotating assembly and the conveying assembly of this application;

[0036] Figure 6 yes Figure 5 Enlarged view of point A in the middle.

[0037] Explanation of reference numerals in the attached drawings: 1. Grouting assembly; 11. Operating platform; 111. Storage tank; 112. Connecting pipe; 113. Negative pressure hole; 12. Mounting frame; 121. Extending screw; 122. First guide column; 123. Connecting piece; 13. First cylinder; 14. Mounting plate; 141. Protrusion; 15. Grouting pipe; 151. Grouting port; 16. Second cylinder; 161. Sealing element; 17. Buffer plate; 171. Connecting column; 172. Annular thickened part; 18. First spring; 19. Negative pressure platform; 2. Rotating assembly; 21. Installation frame; 211. Mounting base; 22. Drive motor; 221. Rotating column; 221. Sliding groove; 23. Connecting plate; 231. Second guide column; 232. Second spring; 24. Placement cylinder; 241. Cylinder body; 242. Mounting cavity; 243. Sealing cover; 244. Movable hole; 25. Locking structure; 251. Rotating rod; 252. Gear; 253. Pad; 254. Ring rack; 255. Coil spring; 256. Limiting component; 3. Transport assembly; 31. Loading conveyor belt; 32. Positioning plate; 33. Unloading conveyor belt; 34. Unlocking component. Detailed Implementation

[0038] The present application will be further described in detail below with reference to the accompanying drawings.

[0039] This application discloses a three-way catalytic converter core processing apparatus, referring to... Figure 1 The processing device includes a grouting component 1, a rotating component 2 mounted on the grouting component 1, and a transport component 3 mounted on the side of the grouting component 1 and cooperating with the rotating component 2. Through the cooperation of the transport component 3 and the rotating component 2, the automatic loading and unloading, alignment, and sealing of the inner core carrier can be completed. In conjunction with the grouting component 1, the catalyst coating work can be completed accurately and stably on the inner core carrier, thus completing the processing of the three-way catalytic converter inner core. Compared with manual loading, the efficiency is higher.

[0040] Combination Figure 1 and Figure 2 The grouting assembly 1 includes an operating platform 11, a mounting frame 12 vertically mounted on the operating platform 11, a stroke-extending screw 121 and a first guide post 122 rotatably mounted within the mounting frame 12, a connector 123 connected to the stroke-extending screw 121 and the first guide post 122, a first cylinder 13 located at the end of the connector 123, and a mounting plate 14 located at the end of the piston rod of the first cylinder 13. The operating platform 11 is rectangular and horizontally placed along its length. A liquid storage tank 111 is provided at one end of the upper surface of the operating platform 11. The liquid storage tank 111 is integrally formed with the operating platform 11, making the side of the operating platform 11 L-shaped. A negative pressure structure is provided at the end of the operating platform 11 away from the liquid storage tank 111. A circular negative pressure hole 113 is provided at a distance between the upper surface of the operating platform 11 and the liquid storage tank 111. The axis of the negative pressure hole 113 is perpendicular to the upper surface of the operating platform 11, and the negative pressure hole 113 connects the upper surface of the operating platform 11 with the negative pressure structure.

[0041] Combination Figure 1 and Figure 2 The mounting frame 12 is a rectangular frame composed of square columns. The surface of the mounting frame 12 is fixed to the surface of the liquid storage tank 111 near the negative pressure hole 113 and is away from the operating table 11. The length direction of the mounting frame 12 is perpendicular to the upper surface of the operating table 11. The axis of the extension screw 121 is parallel to the length direction of the mounting frame 12. The lower end of the extension screw 121 rotates and passes through the lower inner wall of the mounting frame 12, and the upper end of the extension screw 121 rotates and passes through the upper inner wall of the mounting frame 12, protruding from the upper outer wall of the mounting frame. Two first guide posts 122 are cylindrical and are provided. The two first guide posts 122 are respectively provided on both sides of the extension screw 121. The axis of the first guide posts 122 is parallel to the axis of the extension screw 121. The two ends of the first guide posts 122 pass through the upper and lower inner walls of the mounting frame 12, respectively. The axes of the two first guide posts 122 and the extension screw 121 are in the same vertical plane, and this vertical plane is parallel to the surface of the mounting frame 12.

[0042] Combination Figure 1 and Figure 2The connector 123 is a strip plate. The surface of the connector 123 is parallel to the upper surface of the operating table 11, and the length direction of the connector 123 is parallel to the length direction of the operating table 11. The end of the connector 123 near the liquid storage tank 111 is located inside the mounting frame 12. The end of the connector 123 is sleeved on the periphery of the first guide post 122 and the extended screw 121, and is threadedly connected to the extended screw 121. The end face of the connector 123 slides against the side of the liquid storage tank 111. The rotation of the extended screw 121 can drive the connector 123 to slide along the axis of the first guide post 122.

[0043] Combination Figure 1 and Figure 2 The first cylinder 13 is located at the upper half of the connector 123 away from the liquid storage tank 111. The first cylinder 13 is a double piston rod cylinder. The length direction of the first cylinder 13 is perpendicular to the plate surface of the connector 123. The piston rod end of the first cylinder 13 passes through the connector 123 and protrudes from the lower plate surface of the connector 123. The mounting plate 14 is a circular plate. The plate surface of the mounting plate 14 is parallel to the plate surface of the connector 123. The mounting plate 14 is located between the connector 123 and the operating table 11, and is located on the side of the connector 123 away from the liquid storage tank 111. The axis of the mounting plate 14 coincides with the axis of the negative pressure hole 113. The peripheral wall of the mounting plate 14 is provided with a protrusion 141. The two surfaces of the protrusion 141 are flush with the two surfaces of the mounting plate 14. The upper surface of the protrusion 141 is fixedly connected to the piston rod end of the first cylinder 13. The first cylinder 13 can drive the mounting plate 14 to move along the axis of the negative pressure hole 113.

[0044] Combination Figure 2 and Figure 3 The grouting assembly 1 also includes a grouting pipe 15 disposed on the mounting plate 14, a second cylinder 16 disposed at the end of the grouting pipe 15, a seal 161 disposed at the end of the piston rod of the second cylinder 16, an annular buffer plate 17 disposed between the mounting plate 14 and the operating table 11, and a connecting column 171 disposed between the buffer plate 17 and the mounting plate 14. The mounting plate 14 has a circular mounting hole coaxially opened on its surface, which connects the two surfaces of the mounting plate 14. The grouting pipe 15 is a circular pipe closed at both ends. The outer peripheral wall of the grouting pipe 15 is adapted to the mounting hole, and the outer peripheral wall of the grouting pipe 15 is fixedly connected to the wall of the through hole. The grouting pipe 15 is coaxially disposed with the mounting plate 14, and the two ends of the grouting pipe 15 are respectively located on both sides of the mounting plate 14. A connecting pipe 112 extends out of the storage tank 111. The end of the connecting pipe 112 is fixed to the outer peripheral wall of the grouting pipe 15 and is located on the upper side of the mounting plate 14. The connecting pipe 112 is connected to the inside of the grouting pipe 15. The storage tank 111 provides catalyst to the grouting pipe 15 through the connecting pipe 112.

[0045] Combination Figure 2 and Figure 3The second cylinder 16 is located at the upper end of the grouting pipe 15. The piston rod of the second cylinder 16 passes through the upper end face of the grouting pipe 15, and the end of the piston rod is located inside the grouting pipe 15. The end of the piston rod of the second cylinder 16 can approach the lower inner wall of the grouting pipe 15. The piston rod of the second cylinder 16 is coaxially arranged with the grouting pipe 15. The grouting port 151 is coaxially arranged on the lower outer wall of the grouting pipe 15. The grouting port 151 is a tapered pipe. The end face of the grouting port 151 with the larger diameter is fixedly connected to the lower outer wall of the grouting pipe 15. A circular through hole is coaxially opened on the lower inner wall of the grouting pipe 15. The through hole connects the inner and outer walls of the lower end of the grouting pipe 15. The grouting port 151 is connected to the inside of the grouting pipe 15 through the through hole. The piston rod end of the second cylinder 16 is coaxially fitted with an annular seal 161. The seal 161 is made of rubber. The edge of the seal 161 near the grouting port 151 is machined into a conical shape. The conical surface of the seal 161 is adapted to the through hole and can seal the through hole.

[0046] Combination Figure 1 and Figure 2 The buffer plate 17 has an annular surface, which is parallel to the surface of the mounting plate 14. The inner diameter of the buffer plate 17 is larger than the outer diameter of the grouting pipe 15, and the outer diameter of the buffer plate 17 is the same as the diameter of the mounting plate 14. The buffer plate 17 and the mounting plate 14 are coaxially arranged, and the buffer plate 17 is connected to the mounting plate 14 through connecting columns 171. The connecting columns 171 are cylindrical, and four connecting columns 171 are provided. The axis of the connecting columns 171 is perpendicular to the surface of the buffer plate 17. The lower end of the connecting column 171 is fixed to the upper surface of the buffer plate 17, and the end of the connecting column 171 is located at the outer edge of the surface of the buffer plate 17. The four connecting columns 171 are distributed in a square on the surface of the buffer plate 17. The upper end of the connecting column 171 passes through the mounting plate 14 and is located on the side of the mounting plate 14 away from the buffer plate 17. The upper peripheral wall of the connecting column 171 is provided with an annular thickened part 172. The annular thickened part 172 is coaxially arranged with the connecting column 171. The annular thickened part 172 is located on the side of the mounting plate 14 away from the buffer plate 17, and the buffer plate 17 is clamped under the mounting plate 14.

[0047] Combination Figure 1 and Figure 2 A first spring 18 is sleeved around the periphery of the connecting column 171, and the two ends of the first spring 18 abut against the opposite surfaces of the mounting plate 14 and the buffer plate 17, respectively. A square-shaped negative pressure platform 19 is provided at the negative pressure hole 113 on the upper surface of the operating table 11. The side wall of the negative pressure platform 19 near the liquid storage tank 111 is parallel to the end face of the operating table 11. The negative pressure platform 19 is integrally formed with the operating table 11. The negative pressure hole 113 connects the upper surface of the negative pressure platform 19 with the negative pressure structure. The lower surface of the buffer plate 17 and the grouting port 151 are always spaced apart from the upper surface of the negative pressure platform 19.

[0048] Combination Figure 1 , Figure 4 and Figure 5The rotating assembly 2 includes a mounting base 21 disposed on the side of the negative pressure platform 19 away from the liquid storage tank 111, a drive motor 211 disposed within the mounting base 21, a rotating column 22 disposed on the upper surface of the mounting base 21, a connecting plate 23 slidably disposed on the periphery of the rotating column 22, a placement cylinder 24 disposed on the end of the connecting plate 23 away from the rotating column 22, and a locking structure 25 disposed within the placement cylinder 24. The mounting base 21 is a block, and its lower surface is fixedly connected to the upper surface of the operating table 11. The mounting base 21 and the negative pressure platform 19 are spaced apart. The drive motor 211 is disposed within the mounting base 21, with its output shaft pointing vertically upward and its end protruding from the upper surface of the mounting base 21. The rotating column 22 is cylindrical, and its axis is parallel to the axis of the grouting pipe 15. The lower end face of the rotating column 22 is coaxially fixed to the output shaft end face of the drive motor 211. The rotating column 22 is spaced apart from the mounting base 21, and the side wall of the rotating column 22 facing away from the liquid storage tank 111 is flush with the end face of the operating table 11. The connecting plate 23 is a strip plate, and its surface is parallel to the upper surface of the operating table 11. The lower surface of the connecting plate 23 can slide and fit against the upper surface of the negative pressure table 19. There are four connecting plates 23, which are arranged in a cross shape with the axis of the connecting column 171 as the center.

[0049] Combination Figure 1 and Figure 4 The rotating column 22 has four strip-shaped sliding grooves 221 along its axial direction on its peripheral wall. The end of the connecting plate 23 is adapted to the sliding groove 221 and is slidably disposed in the sliding groove 221. The end face of the connecting plate 23 is slidably attached to the bottom of the sliding groove 221, and the connecting plate 23 is close to the lower end wall of the sliding groove 221. A second guide post 231 is disposed in the sliding groove 221. The axis of the second guide post 231 is parallel to the axis of the rotating column 22. The two ends of the second guide post 231 are respectively inserted into the two end walls of the sliding groove 221. Two second guide posts 231 are disposed at intervals in each sliding groove 221. The connecting plate 23 is slidably sleeved on the peripheral wall of the second guide post 231. A second spring 232 is sleeved on the peripheral wall of the second guide post 231. The second spring 232 is disposed on the side of the connecting plate 23 away from the operating table 11. The two ends of the second spring 232 abut against the surface of the connecting plate 23 and the end wall of the sliding groove 221, respectively.

[0050] Combination Figure 1 , Figure 4 and Figure 5The placement cylinder 24 is a cylindrical shape, with its axis parallel to the axis of the rotating column 22. The lower end of the outer peripheral wall of the placement cylinder 24 is fixedly connected to the end of the connecting plate 23 furthest from the rotating column 22. The lower end face of the placement cylinder 24 is flush with the lower surface of the connecting plate 23. The placement cylinder 24 can be positioned between the negative pressure platform 19 and the buffer plate 17. The inner diameter of the placement cylinder 24 is the same as the diameter of the negative pressure hole 113 and the inner diameter of the buffer plate 17. The placement cylinder 24 can be coaxially arranged with the negative pressure hole 113. The outer edge of the lower end face of the placement cylinder 24 and the two side edges of the lower surface of the connecting plate 23 are both chamfered. The inner edge of the upper end face of the placement cylinder 24 is also chamfered.

[0051] Combination Figure 1 , Figure 4 and Figure 5 The processed three-way catalytic converter inner core carrier is placed in the placement cylinder 24. The inner wall of the placement cylinder 24 is adapted to the peripheral wall of the carrier, thereby satisfying the negative pressure condition. The rotating column 22 rotates, causing the placement cylinder 24 to move, so that the lower end face of the placement cylinder 24 and the lower plate face of the connecting plate 23 are in contact with the upper surface of the negative pressure platform 19. The chamfer on the edge of the lower end face of the placement cylinder 24 can smoothly fit the lower end face of the placement cylinder 24 with the upper surface of the negative pressure platform 19, reducing the possibility of jamming. The drive motor 211 is rotated by the PWM signal to make the placement cylinder 24 coaxial with the negative pressure hole 113, and the inner wall of the placement cylinder 24 is coaxially aligned with the hole wall of the negative pressure hole 113. The first cylinder 13 drives the grouting pipe 15 to move closer to the placement cylinder 24 until the lower plate face of the buffer plate 17 abuts against the upper surface of the placement cylinder 24, reducing the possibility of the grouting port 151 contacting the carrier. The storage tank 111 continuously supplies catalyst into the grouting pipe 15. The second cylinder 16 drives the sealing member 161 to move, injecting a certain amount of catalyst into the upper end face of the carrier. The negative pressure structure allows the catalyst to enter the honeycomb structure of the carrier and adhere to the surface of the honeycomb structure to form a catalyst coating. The chamfer on the inner edge of the upper end face of the placement tube 24 facilitates the placement of the carrier inside the placement tube 24.

[0052] Combination Figures 4 to 6The placement cylinder 24 consists of a cylinder body 241 and a sealing cover 243. A cylindrical mounting cavity 242 is formed inwards at the lower end of the cylinder body 241, and the mounting cavity 242 is coaxially formed with the cylinder body 241. The sealing cover 243 is an annular plate, coaxially positioned at the lower end of the cylinder body 241. The inner and outer peripheral walls of the sealing cover 243 are flush with the inner and outer peripheral walls of the cylinder body 241, respectively, sealing the mounting cavity 242. A locking structure 25 is disposed within the mounting cavity 242. The locking structure 25 includes a rotating rod 251, a gear 252 disposed at the end of the rotating rod 251, a pad 253 disposed at the end face of the gear 252, and an annular rack 254 disposed within the mounting cavity 242. The rotating rod 251 is a round rod, and its axis is parallel to the axis of the placement cylinder 24. The two ends of the rotating rod 251 rotate and pass through the bottom of the installation cavity 242 and the surface of the sealing cover 243, respectively. There are three rotating rods 251, which are evenly distributed at equal angles with the axis of the placement cylinder 24 as the center. The peripheral wall of the rotating rod 251 is spaced apart from the peripheral wall of the installation cavity 242.

[0053] Combination Figures 4 to 6 Gear 252 is coaxially sleeved on the end of the rotating rod 251 near the closed cover 243. Gear 252 and rotating rod 251 are integrally formed, and gear 252 is spaced from the peripheral wall of mounting cavity 242. The surface of pad 253 is arc-shaped and perpendicular to the axis of placement cylinder 24. The axis of the concave side wall of pad 253 can coincide with the axis of placement cylinder 24. The end of pad 253 is fixed to the end face of gear 252 near closed cover 243. A notch is opened at the rotating rod 251 on the lower end face of cylinder 241. The notch connects the inner peripheral wall of cylinder 241 and mounting cavity 242. The end of pad 253 away from gear 252 can be located inside placement cylinder 24 through the notch. The carrier is placed inside placement cylinder 24 and supported by pad 253. A coil spring 255 is sleeved around the rotating rod 251. One end of the coil spring 255 is fixed to the bottom of the mounting cavity 242, and the other end of the coil spring 255 is fixed to the end face of the gear 252 away from the closing cover 243. The coil spring 255 keeps the end of the pad 253 always inside the placement cylinder 24.

[0054] Combination Figures 4 to 6The annular rack 254 has teeth on its inner peripheral wall and is coaxially arranged with the placement cylinder 24. The outer peripheral wall of the annular rack 254 slides against the cavity wall of the mounting cavity 242 near the outer peripheral wall of the placement cylinder 24. The teeth on the inner peripheral wall of the annular rack 254 mesh with the gear 252. A movable hole 244 is provided on the lower end of the outer peripheral wall of the cylinder 241 away from the connecting plate 23. The movable hole 244 connects the outer peripheral wall of the cylinder 241 and the mounting cavity 242, and is also connected to the lower end face of the cylinder 241. A limiting member 256 is slidably arranged in the movable hole 244. The limiting member 256 is fixedly connected to the outer peripheral wall of the annular rack 254. The sliding of the limiting member 256 in the movable hole 244 can limit the position of the annular rack 254. The limiting member 256 protrudes from the outer peripheral wall of the cylinder 241 away from the surface of the annular rack 254. When the end of the pad 253 away from the gear 252 is located inside the placement cylinder 24, the limiting member 256 is located at one end of the movable hole 244. When the limiting member 256 moves to the other end of the movable hole 244, the gear 252 and the rotating rod 251 are driven to rotate through the annular rack 254, thereby retracting the pad 253 into the mounting cavity 242. Under the action of gravity, the carrier leaves the placement cylinder 24 below the placement cylinder 24.

[0055] Combination Figure 1 and Figure 4 The transport component 3 includes a loading conveyor belt 31 disposed at the end of the operating table 11, a positioning plate 32 disposed at the end of the loading conveyor belt 31, a unloading conveyor belt 33 disposed on the side of the operating table 11, and an unlocking member 34 disposed at the end of the unloading conveyor belt 33. The loading conveyor belt 31 is disposed at the end of the operating table 11 away from the liquid storage tank 111, and the loading conveyor belt 31 is spaced apart from the operating table 11. The length direction of the loading conveyor belt 31 is parallel to the length direction of the operating table 11, and the upper surface of the loading conveyor belt 31 is flush with the upper end surface of the placement cylinder 24. During the rotation of the rotating column 22, the end of the loading conveyor belt 31 near the operating table 11 is always spaced apart from the outer wall of the placement cylinder 24 away from the rotating column 22. The positioning plate 32 is a strip plate with an arc-shaped end face. The length direction of the positioning plate 32 is parallel to the axis of the rotating column 22. The concave surface of the positioning plate 32 is opposite to the feeding conveyor belt 31. The positioning plate 32 and the feeding conveyor belt 31 are spaced apart. The positioning plate 32 is connected to the end frame of the feeding conveyor belt 31 near the operating table 11 through a connecting rod. When the placement cylinder 24 is located at the end of the feeding conveyor belt 31, the positioning plate 32 is located above the placement cylinder 24, and the concave surface of the positioning plate 32 is flush with the inner wall of the placement cylinder 24. The connecting rod does not interfere with the rotation of multiple placement cylinders 24.

[0056] Combination Figure 1 and Figure 4The length of the feeding conveyor belt 33 is perpendicular to the length of the operating table 11. The horizontal height of the upper surface of the feeding conveyor belt 33 is lower than the horizontal height of the upper surface of the negative pressure table 19. After the three-way catalytic converter core is processed, the rotating column 22 rotates, causing the placement cylinder 24 to pass directly above the end of the feeding conveyor belt 33 near the negative pressure table 19. The unlocking component 34 is a square column, positioned directly above the end of the feeding conveyor belt 33 near the negative pressure table 19. The unlocking component 34 is connected to the frame of the feeding conveyor belt 33 via a connecting rod. The length of the unlocking component 34 is parallel to the length of the rotating column 22, and the unlocking component 34 is spaced apart from the upper surface of the feeding conveyor belt 33. After the inner core of the three-way catalytic converter is processed, the limiting member 256 inside the placement cylinder 24 on the negative pressure platform 19 is located at one end of the movable hole 244. When the placement cylinder 24 rotates and passes through the feeding conveyor belt 33, the limiting member 256 contacts the unlocking member 34. As the rotating column 22 rotates, the limiting member 256 is restricted, thereby causing the annular rack 254 to rotate. When the limiting member 256 is located at the other end of the movable hole 244, the unlocking member 34 allows the limiting member 256 to pass through.

[0057] This specific embodiment is merely an explanation of this application and is not intended to limit it. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but such modifications are protected by patent law as long as they fall within the scope of the claims of this application.

Claims

1. A three-way catalytic converter core processing device, characterized in that: The device includes an operating table (11), a rotating column (22) rotatably disposed at the end of the upper surface of the operating table (11), multiple placement cylinders (24) disposed around the rotating column (22) via a connecting plate (23), a locking structure (25) disposed inside the placement cylinders (24), a feeding conveyor belt (31) disposed at the end of the operating table (11), and a discharging conveyor belt (33) disposed on the side of the operating table (11). The axis of the rotating column (22) is perpendicular to the upper surface of the operating table (11), the axis of the placement cylinders (24) is parallel to the axis of the rotating column (22), and the two are spaced apart. The upper surface of the feeding conveyor belt (31) is flush with the upper end face of the placement cylinders (24), and the horizontal height of the upper surface of the discharging conveyor belt (33) is lower than the horizontal height of the lower end face of the placement cylinders (24). The locking structure (25) can temporarily restrict the inner core carrier inside the placement cylinders (24).

2. The three-way catalytic converter core processing device according to claim 1, characterized in that: The locking structure (25) includes a rotating rod (251) disposed in the placement cylinder (24), a gear (252) disposed at the end of the rotating rod (251), and a pad (253) disposed on the end face of the gear (252). A mounting cavity (242) is coaxially opened in the placement cylinder (24), the mounting cavity (242) is located at the lower end of the placement cylinder (24), the axis of the rotating rod (251) is parallel to the axis of the placement cylinder (24), the gear (252) is coaxially sleeved on the lower end peripheral wall of the rotating rod (251), the end face of the pad (253) is fixedly connected to the lower end face of the gear (252), a notch is opened in the inner wall of the placement cylinder (24), the notch connects the inner peripheral wall of the placement cylinder (24) and the mounting cavity (242), and the end of the pad (253) away from the gear (252) can be located in the placement cylinder (24) through the notch.

3. The three-way catalytic converter core processing device according to claim 2, characterized in that: The locking structure (25) also includes an annular rack (254) disposed in the mounting cavity (242). The inner peripheral wall of the annular rack (254) is provided with teeth, and the teeth of the inner peripheral wall of the annular rack (254) mesh with the gear (252). A movable hole (244) is provided on the side of the lower end of the outer peripheral wall of the placement cylinder (24) away from the rotating column (22). The movable hole (244) connects the outer peripheral wall of the placement cylinder (24) and the mounting cavity (242). A limiting member (256) is slidably disposed in the movable hole (244). The limiting member (256) is fixedly connected to the outer peripheral wall of the annular rack (254). An unlocking member (34) is disposed directly above the end of the unloading conveyor belt (33). The unlocking member (34) is connected to the frame of the unloading conveyor belt (33) through a connecting rod. The unlocking member (34) can contact the limiting member (256).

4. The three-way catalytic converter core processing device according to claim 1, characterized in that: Positioning plates (32) are spaced at an angle above the end of the feeding conveyor belt (31). The end face of the positioning plate (32) is arc-shaped. The positioning plate (32) is connected to the end frame of the feeding conveyor belt (31) through a connecting rod. When the placement cylinder (24) is located at the end of the feeding conveyor belt (31), the positioning plate (32) is located above the placement cylinder (24), and the concave plate surface of the positioning plate (32) is flush with the inner wall of the placement cylinder (24). The connecting rod does not interfere with the rotation of multiple placement cylinders (24).

5. The three-way catalytic converter core processing device according to claim 4, characterized in that: The inner edge of the upper end face of the placement tube (24) is chamfered.

6. The three-way catalytic converter core processing apparatus according to claim 5, characterized in that: The outer edge of the lower end face of the placement tube (24) is chamfered.

7. The three-way catalytic converter core processing device according to claim 2, characterized in that: The rotating rod (251) is fitted with a coil spring (255) on its circumferential wall. The two ends of the coil spring (255) are fixedly connected to the end wall of the mounting cavity (242) and the end face of the gear (252), respectively.

8. The three-way catalytic converter core processing apparatus according to claim 7, characterized in that: The surface of the pad (253) is arc-shaped, and the axis of the recessed sidewall of the pad (253) can coincide with the axis of the placement cylinder (24).

9. The three-way catalytic converter core processing device according to claim 1, characterized in that: The rotating column (22) has a strip-shaped sliding groove (221) on its peripheral wall along the axial direction. The end of the connecting plate (23) is adapted to the sliding groove (221), and the end of the connecting plate (23) is slidably disposed in the sliding groove (221). The end face of the connecting plate (23) is slidably attached to the bottom of the sliding groove (221). A second guide column (231) is provided in the sliding groove (221). The two ends of the second guide column (231) are respectively inserted into the two end walls of the sliding groove (221). The connecting plate (23) is slidably sleeved on the peripheral wall of the second guide column (231).

10. A three-way catalytic converter core processing apparatus according to claim 9, characterized in that: The second guide post (231) is fitted with a second spring (232) on its periphery. The second spring (232) is located on the side of the connecting plate (23) away from the operating table (11). The two ends of the second spring (232) abut against the surface of the connecting plate (23) and the end wall of the sliding groove (221), respectively.

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