Automatic cutting device for precision filter processing

Abstract

The application relates to an automatic cutting device for precision filter processing and relates to the technical field of filter processing equipment. The device comprises a base table, a gantry, a linear module, a cutting mechanism, a lower supporting structure, a cushion seat and a guide wheel. The cutting mechanism comprises a vertical plate, a reinforcing block, an upper supporting structure and four cutting structures. The upper supporting structure is the same as the lower supporting structure and is arranged in an upper and lower symmetrical mode. The upper supporting structure adjusts the spacing of the four cutting structures through a first motor, a screw rod, an internal thread block, a supporting assembly and a supporting groove frame. The lower supporting structure correspondingly adjusts the positions of the four guide wheels, so that the cutting structures and the guide wheels are arranged in a staggered mode. The cutting structure drives the cutting disc to rotate through a second motor, a shaft rod, a key strip, a sliding sleeve and a bevel gear pair, and utilizes a micro-motion assembly to make the support frame produce micro-motion feeding, so that the cutting disc stably cuts into a toluene precision filter core. The device is favorable for multi-point support of the filter core, uniform force bearing, smooth cutting and can adapt to the cutting needs of filter cores with different lengths.

Description

Technical Field

[0001] This application relates to the field of filter processing equipment technology, and in particular to an automatic cutting device for precision filter processing. Background Technology

[0002] Toluene precision filters are commonly used in chemical, pharmaceutical, coating, and electronics industries. Their internal filter elements typically need to be cut to a predetermined length during manufacturing to facilitate subsequent assembly and end cap sealing. Since the filter elements are mostly cylindrical and contain multiple layers of filter material, the cutting process must ensure a smooth cut and perpendicular end faces, while also preventing the filter element from bending, jumping, or the filter layers from tearing due to uneven stress.

[0003] Chinese utility model patent CN206406102U discloses an automatic cutting device for filters, including a base with a pressing shaft in the middle. Multiple sets of cutting blades are mounted on the pressing shaft, and the distance between the cutting blades is adjustable. Each cutting blade includes a blade holder with a blade underneath, and the blade holder passes through the pressing shaft. The pressing shaft has sliding grooves at both ends on the base, through which it passes and is fixed by a fixing block. The fixing block is connected to the piston rod of an adjusting cylinder, which is mounted on a support plate fixed to the base. The adjusting cylinder controls the movement of the pressing shaft. The blades can also be pneumatic blades, and an air inlet is located above the blade holder for connecting an external cylinder to adjust the pneumatic blades. In use, the distance between the cutting blades is first adjusted as needed, then the cutting blades are pressed down onto the material. The material moves under the machine's drive, thus completing the cutting.

[0004] Most existing devices employ a material movement combined with blade pressing, resulting in a different stress state for the filter element compared to sheet materials. While the spacing between multiple blades can be adjusted to accommodate a certain range of specifications, the force is relatively concentrated when the cutting disc enters the filter. The symmetry of the upper and lower supports, the misalignment and avoidance of the cutter and support components, and chip isolation directly affect the cut quality. Furthermore, because the filter element's filter layer is relatively soft, the flatness and roundness of the cut surface are easily affected by the support, feed, and protective conditions. Summary of the Invention

[0005] Therefore, it is necessary to provide an automatic cutting device for precision filter processing to address the aforementioned technical problems.

[0006] This application provides an automatic cutting device for precision filter processing, which adopts the following technical solution: it includes a base platform, a gantry frame is mounted on the left and right sides of the top of the base platform, a linear module is fixedly attached to the front middle of the gantry frame, a cutting mechanism is fixedly attached to the moving end of the front middle of the linear module, a lower support structure is fixedly attached to the top of the base platform, and four pads are installed on the top of the lower support structure, with a guide wheel rotatably connected to the upper left of each pad.

[0007] The cutting mechanism includes a vertical plate fastened to the front moving end of the linear module. The lower front part of the vertical plate is fixedly connected to an upper support structure by a reinforcing block. The bottom of the upper support structure is connected to four cutting structures. The bottom ends of the four cutting structures are respectively offset from the four guide wheels. The upper support structure and the lower support structure have the same structure and size and are arranged symmetrically.

[0008] Furthermore, the upper support structure includes a frame fixed to the middle of the top side with a reinforcing block. A first motor is tightly fixed to the upper right side inside the frame. A screw is connected to the left output end of the first motor. A bearing block is rotatably connected to the left end of the screw, and the bearing block is fixed to the top side inside the frame. An internal thread block is threaded to the outer surface of the screw. The bottom of the internal thread block is connected to a support assembly. The support assembly is inserted and slidably inserted into the support slot frame. The support slot frame is laterally embedded and fixed to the middle side inside the frame. The bottom of the support assembly penetrates the bottom side of the frame, and the bottom end of the support assembly is connected to four cutting structures.

[0009] Furthermore, a T-shaped through slot is provided horizontally on the bottom middle side of the frame cover, and the support component slides through the T-shaped through slot; the support frame has an I-shaped structure, and a guide slot is provided in the middle, the guide slot is composed of an inverted trapezoidal slot at the bottom and a straight slot at the top, and the guide slot and the straight slot are connected internally.

[0010] Furthermore, the support assembly includes a first carrier block whose top side is fastened to an internally threaded block. The first carrier block is slidably connected to the inside of the inverted trapezoidal groove of the support frame, and the internally threaded block slides through the inside of the straight groove of the support frame. The bottom center of the first carrier block is rotatably connected to one end of a first short rod, and the bottom side of the other end of the first short rod is connected to a folding member. The folding member is composed of three main rods and two secondary rods arranged alternately and hinged. One end of the rightmost main rod is rotatably connected to the first short rod, and one end of the leftmost main rod is rotatably connected to one end of a second short rod. A second carrier block is rotatably connected to the inside of the other end of the second short rod. The second carrier block is fixed to the left side inside the inverted trapezoidal groove. Three sliders and two third carrier blocks are alternately arranged and slidably between the first carrier block and the second carrier block from right to left. The three sliders are rotatably connected to the inner side of the middle of the three main rods, and the two third carrier blocks are rotatably connected to the inner side of the middle of the two secondary rods. The bottom of the first carrier block, the second carrier block, and the two third carrier blocks are all connected to a cutting structure.

[0011] Furthermore, the cutting structure includes a frame connected to the upper support structure at the top. A seat is fixedly attached to the right side of the frame. A second motor is fixedly attached to the upper side inside the seat. A shaft is connected to the bottom output end of the second motor. A first driving bevel gear is fixedly wrapped around the upper side of the outer surface of the shaft. A first driven bevel gear is meshed with the bottom left side of the first driving bevel gear. A micro-motion component is coaxially connected to the left side of the first driven bevel gear. The bottom end of the micro-motion component is fixed to the support frame, and the top left side of the support frame slides around the bottom of the frame. A key is fixed to the lower part of the outer surface of the shaft, and a sliding sleeve is wrapped around the outside of the key. The sliding sleeve rotates through the lower right side of the support frame, and a second driving bevel gear is fixedly connected to the bottom of the sliding sleeve. A second driven bevel gear is meshed with the lower left side of the second driving bevel gear. The left central shaft of the second driven bevel gear is fixed to the cutting disc through a rotating shaft, which rotates through the middle side of the bottom of the support frame.

[0012] Furthermore, a hollowed-out groove is provided on the left side of the carrier, and the position of the hollowed-out groove corresponds to the position of the upper part of the micro-motion component.

[0013] Furthermore, a protective sleeve is fitted on the lower right side of the support frame to enclose the second driving bevel gear and the second driven bevel gear inside it; a baffle is fitted on the left side of the support frame to protect the upper part of the cutting disc.

[0014] Furthermore, the micro-motion component includes a drive rod coaxially connected to the first driven bevel gear. The drive rod rotates through the eccentric hollow groove of the eccentric cylinder. An end face gear ring is integrally fixed on the outer circumference of the left side of the eccentric hollow groove of the eccentric cylinder. The left end of the drive rod is fastened to the left side of the end face gear ring by a nut. An upper buckle sleeve and a lower buckle sleeve rod are respectively fitted on the upper and lower sides of the eccentric cylinder, and the upper buckle sleeve and the lower buckle sleeve rod are fastened to each other on the front and rear sides. A rotating block is connected to the bottom end of the lower buckle sleeve rod. The rotating block is rotatably connected to the upper part of the inner side of the receiving seat. The bottom of the receiving seat is fixed to the support frame.

[0015] Furthermore, the eccentric cylinder has flanges extending outward on both the left and right sides, and the flanges on both sides are used to prevent the upper buckle and the lower buckle rod from disengaging.

[0016] Furthermore, the driving rod includes a column rod whose right end is coaxially fixed with the first driven bevel gear. A roller is eccentrically arranged on the left side of the column rod, and a threaded column is fixedly connected to the central shaft of the left side of the roller. The roller is inserted into and rotates inside the eccentric hollow circular groove of the eccentric cylinder. The threaded column is disposed through the end face gear plate, and the nut and the threaded column are threadedly engaged to fasten the end face gear plate to the left side of the end face gear ring.

[0017] In summary, this application includes the following beneficial technical effects: 1. This application achieves a vertically corresponding arrangement between the cutting mechanism and the support mechanism through the cooperation of components such as the base platform, gantry frame, linear module, upper support structure, and lower support structure; the cutting structure and guide wheels are staggered, with the guide wheels providing multi-point support below the filter element, and the cutting disc cutting into the filter element at a position avoiding the guide wheels, ensuring that the filter element experiences more balanced force during cutting and is less prone to bending and jumping due to its own weight or cutting force, thus facilitating the obtaining of a smooth cut; the upper and lower support structures adopt the same structure and are symmetrically arranged, which facilitates manufacturing, assembly, and daily maintenance, and also helps maintain consistent upper and lower support accuracy; the guide wheels can rotatably support the filter element and allow for slight position adjustments of the filter element during cutting, reducing local stress concentration and further improving cutting stability.

[0018] 2. This application utilizes a structure including a first motor, screw, internal thread block, support assembly, and support frame to enable multiple cutting structures to move synchronously closer or further apart, thereby adjusting the cutting position and spacing. Combined with the corresponding adjustment of the guide wheel position by the lower support structure, the same device can adapt to toluene precision filter elements of different lengths and cutting requirements, reducing the need for changing special tooling and improving processing flexibility and ease of use. The folding parts in the support assembly are formed by alternating hinges of the main rod and the driven rod, ensuring smooth movement during adjustment and good synchronization between multiple cutting structures. Combined with the guiding effect of the support frame, the spacing adjustment process becomes more stable and reliable. Therefore, when changing filter element specifications or altering the number of cutting segments, operation is simpler, which helps improve the equipment's versatility.

[0019] 3. The cutting structure in this application drives the cutting disc to rotate via a second motor, shaft, key, sliding sleeve, and bevel gear pair. The micro-motion component converts the eccentric motion into micro-feeding of the support frame, allowing the cutting disc to approach and cut into the filter element in a more stable manner, reducing the impact at the moment of cutting and preventing the filter layer from being torn or crushed. The sliding fit between the sliding sleeve and the key maintains power transmission during the micro-motion process. The protective sleeve and baffle protect the transmission parts and the upper part of the cutting disc, reducing the impact of chips and dust, and improving operational safety and stability. The micro-motion component can also change the micro-motion stroke by adjusting the phase between the eccentric cylinder and the drive rod to adapt to the cutting needs of different filter elements. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this application; Figure 2 This is a schematic diagram of the cutting mechanism of this application; Figure 3 This is a schematic diagram of the left-side structure of the supporting structure in this application; Figure 4 This is a bottom view of the supporting components of this application. Figure 5 This is a schematic diagram of the cutting structure of this application; Figure 6 This is a schematic diagram of the micro-motion component of this application; Figure 7 This is a three-dimensional structural diagram of the connection between the eccentric cylinder, end face gear ring, and end face gear disk in this application. Figure 8 This is a schematic diagram of the exploded structure of the eccentric cylinder and drum in this application.

[0021] Explanation of reference numerals in the attached drawings: 1. Base platform; 2. Gantry frame; 3. Linear module; 4. Cutting mechanism; 5. Lower support structure; 6. Pad; 7. Guide wheel; 41. Vertical plate; 42. Reinforcing block; 43. Upper support structure; 44. Cutting structure; 431. Frame cover; 432. First motor; 433. Screw; 434. Bearing block; 435. Internal thread block; 436. Support assembly; 437. Support slot frame; 4361. First carrier block; 4362. First short rod; 4363. Main rod; 4364. Slave rod; 4365. Second short rod; 4366. Second carrier block; 4367. Slider; 4368. Third carrier block; 441. Carrier frame; 442. Sleeve; 443. Second motor; 444. 445. Shaft; 446. First driving bevel gear; 447. First driven bevel gear; 448. Micro-motion assembly; 449. Support frame; 440. Key bar; 4410. Sliding sleeve; 4411. Second driving bevel gear; 4412. Second driven bevel gear; 4413. Rotating shaft; 4414. Cutting disc; 4401. Hollowed-out groove; 4481. Protective sleeve; 4482. Baffle plate; 4471. Drive rod; 4472. Eccentric cylinder; 4473. End face gear ring; 4474. End face gear disc; 4475. Nut; 4476. Upper buckle sleeve; 4477. Lower buckle sleeve rod; 4478. Rotating block; 4479. Connector; 44711. Column rod; 44712. Roller; 44713. Threaded column. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0023] like Figure 1As shown, this application provides an automatic cutting device for precision filter processing, mainly used for the automatic cutting of toluene precision filter elements. The device includes a base platform 1, which serves as the basic support component for the entire equipment. A gantry frame 2 is mounted on the left and right sides of the top of the base platform 1, spanning across the base platform 1 to form a portal-shaped support structure. A linear module 3 is tightly fitted to the front center of the gantry frame 2. The linear module 3 can be a lead screw type, a synchronous belt type, or a rack and pinion type. A cutting mechanism 4 is tightly fitted to the moving end of the front center of the linear module 3, thus enabling the linear module 3 to drive the cutting mechanism 4 to move vertically up and down, allowing the cutting mechanism 4 to move closer to or away from the filter element placed below.

[0024] A lower support structure 5 is tightly fixed to the top of the base platform 1. Four pads 6 are mounted on the top of the lower support structure 5, and a guide wheel 7 is rotatably connected to the upper left of each pad 6. The four guide wheels 7 are used to support the toluene precision filter element, and because the guide wheels 7 are rotatable, the filter element can be supported by the guide wheels 7 during the cutting process, allowing it to rotate or move slightly. The four guide wheels 7 are arranged at intervals along the axial direction of the filter element, thereby providing stable support for the filter element at multiple positions and preventing the filter element from bending and deforming due to its own weight or cutting force.

[0025] like Figure 1 and Figure 2 As shown, the cutting mechanism 4 includes a vertical plate 41 fastened to the front moving end of the linear module 3. An upper support structure 43 is fixedly connected to the lower front part of the vertical plate 41 via a reinforcing block 42. The reinforcing block 42 enhances the connection rigidity between the vertical plate 41 and the upper support structure 43, preventing vibration during cutting. Four cutting structures 44 are connected to the bottom of the upper support structure 43. The bottom ends of the four cutting structures 44 are offset from the four guide wheels 7. This means that the cutting discs of the cutting structures 44 are axially positioned between adjacent guide wheels 7, ensuring that the position where the guide wheels 7 support the filter element does not coincide with the position where the cutting disc cuts into the filter element. In this way, the guide wheels 7 can provide support near the cutting position, while the cutting disc will not directly cut into the guide wheels 7, thereby improving cutting stability and safety.

[0026] The upper support structure 43 and the lower support structure 5 are identical in structure and size, and are arranged symmetrically. That is, the lower support structure 5 can also contain the same components as the upper support structure 43, such as the frame, first motor, screw, bearing block, internal thread block, support assembly, and support groove frame, only in the opposite direction. The support assembly of the upper support structure 43 connects downwards to the cutting structure 44, while the support assembly of the lower support structure 5 connects upwards to the pad 6 and guide wheel 7. This symmetrical arrangement ensures balanced support for the filter element in the vertical direction, further improving cutting accuracy.

[0027] like Figure 3 and Figure 4As shown, the upper support structure 43 includes a frame cover 431 fixed to the middle of the top side of the reinforcing block 42. A first motor 432 is tightly fixed to the upper right side inside the frame cover 431. A screw 433 is connected to the left output end of the first motor 432. A bearing block 434 is rotatably connected to the left end of the screw 433, and the bearing block 434 is fixed to the top side inside the frame cover 431. The first motor 432 can be a servo motor, a stepper motor, or a geared motor with an encoder. An internal threaded block 435 is threaded onto the outer surface of the screw 433, and the bottom of the internal threaded block 435 is connected to the support assembly 436. When the first motor 432 drives the screw 433 to rotate forward or reverse, the internal threaded block 435 moves axially along the screw 433, thereby driving the support assembly 436 to move. The support assembly 436 is inserted and slidably inserted into the support slot frame 437, which is laterally embedded and fixed to the middle side inside the frame cover 431. The bottom of the support assembly 436 extends through the bottom side of the frame cover 431, and the bottom end of the support assembly 436 is connected to the four cutting structures 44. Therefore, the movement of the support assembly 436 can change the spacing between the four cutting structures 44, so that the four cutting discs can adapt to toluene precision filter cartridges of different lengths and cutting positions.

[0028] The frame 431 has a T-shaped through slot on its bottom center side, through which the support component 436 slides. The T-shaped through slot guides the support component 436 and restricts its vertical freedom, ensuring smooth movement. The support frame 437 has an I-shaped structure with a guide slot in its middle. The guide slot consists of an inverted trapezoidal slot at the bottom and a straight slot at the top, which are internally connected. The inverted trapezoidal slot accommodates and guides components such as the first carrier block 4361, the second carrier block 4366, the slider 4367, and the third carrier block 4368, while the straight slot allows the internally threaded block 435 to pass through and slide.

[0029] like Figure 4As shown, the support assembly 436 includes a first carrier block 4361 that is fastened to the top side of an internally threaded block 435. The first carrier block 4361 is slidably connected to the inside of the inverted trapezoidal groove of the support frame 437, and the internally threaded block 435 slides through the inside of the slot of the support frame 437. The bottom center of the first carrier block 4361 is rotatably connected to one end of a first short rod 4362, and the bottom side of the other end of the first short rod 4362 is connected to a folding member. The folding member is formed by three main rods 4363 and two secondary rods 4364 arranged alternately and hinged. One end of the rightmost main rod 4363 is rotatably connected to the first short rod 4362, and one end of the leftmost main rod 4363 is rotatably connected to one end of a second short rod 4365. The other end of the second short rod 4365 has a second carrier block 4366 rotatably connected inside, and the second carrier block 4366 is fixed to the left side inside the inverted trapezoidal groove. Three sliders 4367 and two third blocks 4368 are alternately arranged from right to left between the first block 4361 and the second block 4366. The three sliders 4367 are respectively inserted and rotated through the inner side of the middle of the three main rods 4363, and the two third blocks 4368 are respectively inserted and rotated through the inner side of the middle of the two secondary rods 4364. The bottoms of the first block 4361, the second block 4366, and the two third blocks 4368 are all connected to a cutting structure 44.

[0030] The working principle of the support component 436 is as follows: The first motor 432 drives the screw 433 to rotate, and the screw 433 drives the internal thread block 435 to move horizontally. The internal thread block 435 drives the first carrier block 4361 to move along the inverted trapezoidal groove and the straight groove. Since the second carrier block 4366 is fixed inside the left side of the inverted trapezoidal groove, the change in distance between the first carrier block 4361 and the second carrier block 4366 will cause the folding piece composed of the main rod 4363 and the slave rod 4364 to undergo telescopic deformation. When the folding piece telescopicates, the three sliders 4367 and the two third carrier blocks 4368 slide along the inverted trapezoidal groove, thereby causing the four cutting structures 44 connected below the first carrier block 4361, the second carrier block 4366, and the two third carrier blocks 4368 to move closer or further away synchronously. As a result, the spacing between the four cutting structures 44 is adjusted, enabling multi-segment equidistant cutting.

[0031] like Figure 5 As shown, the cutting structure 44 includes a frame 441 connected to the upper support structure 43 at the top. A seat 442 is tightly fixed to the right side of the frame 441. A second motor 443 is tightly fixed to the upper side inside the seat 442. A shaft 444 is connected to the bottom output end of the second motor 443. A first driving bevel gear 445 is fixedly wrapped around the upper side of the outer surface of the shaft 444. A first driven bevel gear 446 is meshed with the bottom left side of the first driving bevel gear 445. A micro-motion component 447 is coaxially connected to the left side of the first driven bevel gear 446. The bottom end of the micro-motion component 447 is fixed to the support frame 448, and the top left side of the support frame 448 slides around the bottom of the frame 441.

[0032] A key bar 449 is fixed to the lower part of the outer surface of the shaft 444, and a sliding sleeve 4410 is wrapped around the outside of the key bar 449. The sliding sleeve 4410 passes through and rotates on the lower right side of the support frame 448, and a second driving bevel gear 4411 is fixedly connected to the bottom of the sliding sleeve 4410. A second driven bevel gear 4412 is engaged with the lower left side of the second driving bevel gear 4411. The left central shaft of the second driven bevel gear 4412 is fastened to the cutting disk 4414 through a rotating shaft 4413, which passes through and rotates on the middle side of the bottom of the support frame 448.

[0033] The working process of the cutting structure 44 is as follows: After the second motor 443 starts, it drives the shaft 444 to rotate. The first driving bevel gear 445 on the upper part of the shaft 444 rotates accordingly, driving the first driven bevel gear 446 to rotate. The first driven bevel gear 446 drives the micro-motion component 447 to move, causing the support frame 448 to make a slight up-and-down displacement relative to the carrier frame 441. At the same time, the key strip 449 at the lower part of the shaft 444 rotates with the shaft 444. The key strip 449 engages with the keyway on the inner side of the sliding sleeve 4410, causing the sliding sleeve 4410 to rotate synchronously with the shaft 444. The sliding sleeve 4410 drives the second driving bevel gear 4411 to rotate, and the second driving bevel gear 4411 drives the second driven bevel gear 4412 to rotate. The second driven bevel gear 4412 drives the cutting disc 4414 to rotate at high speed through the rotating shaft 4413. Since the sliding sleeve 4410 can slide axially relative to the shaft 444, when the support 448 produces a micro-movement displacement under the action of the micro-movement component 447, the sliding sleeve 4410 can slide axially accordingly, while still maintaining a transmission engagement with the key bar 449, thereby ensuring that the cutting disc 4414 continuously obtains rotational power during the up and down micro-movement feed process.

[0034] A slot 4401 is provided on the left side of the carrier 441, and its position corresponds to the upper part of the micro-motion component 447. The slot 4401 provides clearance for adjusting the displacement of the micro-motion component 447, avoiding interference when adjusting the micro-motion component 447, and also helps to reduce the weight of the carrier 441. A protective sleeve 4481 is fixedly attached to the lower right side of the support 448 to enclose the second driving bevel gear 4411 and the second driven bevel gear 4412. The protective sleeve 4481 can prevent chips and dust from entering the bevel gear meshing area, and can also prevent the operator from accidentally touching the rotating parts. A baffle 4482 is fixedly attached to the left side of the support 448 to protect the upper part of the cutting disc 4414. The baffle 4482 can block the flying debris during the cutting process and improve safety.

[0035] like Figures 6 to 8As shown, the micro-motion assembly 447 includes a drive rod 4471 coaxially connected to the first driven bevel gear 446. The drive rod 4471 rotates through the eccentric hollow groove of the eccentric cylinder 4472. An end face gear ring 4473 is integrally fixed to the outer circumference of the left side of the eccentric hollow groove of the eccentric cylinder 4472. The left end of the drive rod 4471 is fastened to the left side of the end face gear ring 4473 by a nut 4475. An upper retaining sleeve 4476 and a lower retaining sleeve rod 4477 are respectively fitted on the upper and lower sides of the eccentric cylinder 4472, and the upper retaining sleeve 4476 and the lower retaining sleeve rod 4477 are fastened together on the front and rear sides. A rotating block 4478 is connected to the bottom end of the lower retaining sleeve rod 4477. The rotating block 4478 is rotatably connected to the upper part of the inner side of the receiving seat 4479. The bottom of the receiving seat 4479 is fixed to the support frame 448.

[0036] The working principle of the micro-motion component 447 is as follows: When the first driven bevel gear 446 rotates, it drives the drive rod 4471 to rotate. The roller 44712 ​​of the drive rod 4471 is eccentrically positioned and inserted into the eccentric hollow circular groove of the eccentric cylinder 4472. Since the end face gear plate 4474 is fastened to the end face gear ring 4473 by the nut 4475, a definite phase relationship can be formed between the eccentric cylinder 4472 and the drive rod 4471. When the drive rod 4471 rotates, the eccentric cylinder 4472 generates eccentric motion. The upper sleeve 4476 and the lower sleeve rod 4477 on the outside of the eccentric cylinder 4472 transmit the eccentric motion to the lower sleeve rod 4477. The lower sleeve rod 4477 is hinged to the receiving seat 4479 through the rotating block 4478. The receiving seat 4479 is fixed to the support frame 448. Therefore, the eccentric motion of the eccentric cylinder 4472 can be converted into the up-and-down micro-feed of the support 448. By adjusting the eccentric position of the drive rod 4471 inside the eccentric cylinder 4472, and then making the end face gear plate 4474 mesh and fix with the end face gear ring 4473, the phase between the eccentric cylinder 4472 and the drive rod 4471 can be changed, thereby adjusting the stroke of the up-and-down micro-feed.

[0037] The eccentric cylinder 4472 has flanges extending outward on both sides. The flanges on both sides are used to prevent the upper sleeve 4476 and the lower sleeve rod 4477 from disengaging. The flanges can axially limit the upper sleeve 4476 and the lower sleeve rod 4477, ensuring the long-term stable operation of the micro-motion component 447.

[0038] The drive rod 4471 includes a rod 44711 whose right end is coaxially fixed to the first driven bevel gear 446. A roller 44712 ​​is eccentrically mounted on the left side of the rod 44711, and a threaded post 44713 is fixedly connected to the central shaft on the left side of the roller 44712. The roller 44712 ​​is inserted into and rotates inside the eccentric hollow circular groove of the eccentric cylinder 4472. The threaded post 44713 is disposed through the end face gear plate 4474, and the nut 4475 is threadedly engaged with the threaded post 44713 to fasten the end face gear plate 4474 to the left side of the end face gear ring 4473. This structure is compact and easy to assemble and adjust. The column rod 44711 is coaxially fixed with the first driven bevel gear 446 to ensure stable power transmission; the roller 44712 ​​is eccentrically set to form eccentric excitation; the threaded column 44713 and the nut 4475 are used to lock the end face gear plate 4474, so that the end face gear plate 4474 and the end face gear ring 4473 are tightly meshed, thereby locking the phase of the eccentric cylinder 4472.

[0039] The lower support structure 5 is identical in structure and size to the upper support structure 43, and is symmetrically arranged vertically. The lower support structure 5 also includes components such as a frame, a first motor, a screw, a bearing block, an internal thread block, a support assembly, and a support slot frame. The difference lies in that four pads 6 are connected above the support assembly of the lower support structure 5, and each pad 6 has a guide wheel 7 rotatably connected to its upper left side. The first motor in the lower support structure 5 can drive its support assembly to extend and retract, thereby adjusting the distance between the four pads 6 and the four guide wheels 7. When it is necessary to cut toluene precision filter elements of different lengths, the distance between the four cutting structures 44 can be adjusted through the upper support structure 43, while the distance between the four guide wheels 7 can be adjusted through the lower support structure 5, ensuring that the cutting structures 44 and the guide wheels 7 are always staggered and provide multi-point support for the filter element.

[0040] The working process for this application is as follows: First, according to the specifications of the toluene precision filter element to be cut, the first motor 432 in the upper support structure 43 is started. The first motor 432 drives the screw 433 to rotate, and the screw 433 drives the internal thread block 435 and the first carrier block 4361 to move, causing the folding parts to extend and retract, thereby adjusting the spacing between the four cutting structures 44. At the same time, the first motor in the lower support structure 5 is started to adjust the spacing between the four pads 6 and the four guide wheels 7. This causes the cutting discs 4414 of the four cutting structures 44 to be axially misaligned with the four guide wheels 7.

[0041] Second, the toluene precision filter element is placed on the four guide wheels 7 of the lower support structure 5. The guide wheels 7 support the filter element from below and allow the filter element to rotate or move slightly during the cutting process. Since the four guide wheels 7 are distributed along the axial direction of the filter element, the filter element can be stably supported, avoiding excessively long suspended sections.

[0042] Third, start the linear module 3. The moving end of the linear module 3 drives the cutting mechanism 4 to move downward, so that the upper support structure 43 is close to the lower support structure 5, until the cutting discs 4414 of the four cutting structures 44 approach or contact the outer surface of the filter element.

[0043] Fourth, the second motor 443 in the cutting structure 44 is started. The second motor 443 drives the shaft 444 to rotate. The shaft 444 drives the micro-motion component 447 to work through the first driving bevel gear 445 and the first driven bevel gear 446. At the same time, the shaft 444 drives the second driving bevel gear 4411 to rotate through the key bar 449 and the sliding sleeve 4410. The second driving bevel gear 4411 drives the cutting disk 4414 to rotate at high speed through the second driven bevel gear 4412 and the rotating shaft 4413.

[0044] Fifth, the drive rod 4471 in the micro-motion assembly 447 rotates, and the eccentric cylinder 4472 generates eccentric motion. The upper buckle 4476 and the lower buckle rod 4477 transmit the eccentric motion to the support frame 448, so that the support frame 448 generates micro-motion feed in the up and down direction relative to the carrier frame 441. The cutting disc 4414 gradually approaches the filter element radially with the support frame 448, thereby cutting into the filter element in a micro-motion manner. Due to the use of micro-motion feed, the impact at the moment of cutting is small, which can avoid the filter layer of the toluene precision filter element being torn or crushed.

[0045] Sixth, the four cutting structures 44 work synchronously to cut the filter element from multiple axial positions at the same time; the four guide wheels 7 support the filter element near the cutting position and are misaligned with the cutting disc 4414, so the cutting disc 4414 will not cut the guide wheels 7; the linear module 3 can continue to feed downward or reciprocate according to the set program until the filter element is cut off or cut to the set depth.

[0046] Seventh, after the cutting is completed, the second motor 443 stops, the micro-motion component 447 retracts the blade, the linear module 3 drives the cutting mechanism 4 to rise and reset, and the cut toluene precision filter element is taken out, completing one cutting cycle.

[0047] In a preferred embodiment, the device can also be equipped with a control unit, which is electrically connected to the linear module 3, the first motor 432, and the second motor 443. The control unit can be a PLC, industrial computer, or microcontroller, and is equipped with a touchscreen. Operators can input parameters such as the outer diameter, length, number of cutting segments, and cutting position of the toluene precision filter element via the touchscreen. The control unit automatically calculates and controls the first motor 432 to adjust the blade distance, controls the feed stroke of the linear module 3, and controls the speed of the second motor 443 and the feed rhythm of the micro-motion component 447. This further improves the automation level and cutting consistency of the device.

[0048] In a preferred embodiment, the cutting disc 4414 can employ a disc-shaped cutting blade, the cutting edge of which can be coated with a carbide coating, a diamond coating, or a ceramic coating to improve wear resistance and cutting sharpness. The number of cutting discs 4414 is not limited to four; it can be set to two, three, five, or more as needed. The number and position of the cutting structure 44 and the guide wheels 7 can be adjusted accordingly.

[0049] In a preferred embodiment, a flexible anti-slip layer, such as a polyurethane layer, a rubber layer, or a silicone layer, can be provided on the outer periphery of the guide wheel 7. This flexible anti-slip layer increases the friction between the guide wheel and the filter element while preventing scratches on the outer surface of the filter element. The guide wheel 7 can be mounted on the upper left side of the base 6 via bearings, allowing it to rotate freely or passively.

[0050] In a preferred embodiment, a chip collection mechanism, such as a negative pressure chip suction hood, a negative pressure fan, a cyclone separator, and a filter unit, can also be installed on the base platform 1. The negative pressure chip suction hood can be arranged around the cutting area to collect the chips and dust generated during the cutting of the toluene precision filter element, thereby improving the working environment.

[0051] In a preferred embodiment, the front of the gantry 2 may also be equipped with a transparent protective cover, a safety light curtain, and an emergency stop button. The transparent protective cover is used to prevent chips from flying, the safety light curtain is used to detect whether operators have entered the danger zone, and the emergency stop button is used to quickly stop the equipment in an emergency.

[0052] This application utilizes a symmetrical upper support structure 43 and a lower support structure 5 to drive four cutting structures 44 and four guide wheels 7, respectively, allowing the cutting structures and guide wheels to be staggered. The synchronous spacing adjustment of the four cutting structures 44 is achieved through a first motor 432, a screw 433, an internal thread block 435, and a support assembly 436. The rotation of the cutting disc 4414 is driven by a second motor 443, a shaft 444, a key 449, a sliding sleeve 4410, and a bevel gear pair. The micro-motion component 447 enables the micro-motion feeding of the cutting disc 4414. These structures work together to ensure uniform force distribution, stable support, and a smooth cut during the cutting process of the toluene precision filter element, resulting in a flat cut and reduced filter element deformation.

[0053] The above description is merely a preferred embodiment of this application and is not intended to limit this application. For those skilled in the art, various modifications, equivalent substitutions, and improvements can be made to the above embodiments without departing from the principles and spirit of this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles defined in the claims of this application should be included within the protection scope of this application.

Claims

1. An automatic cutting device for precision filter processing, comprising a base (1), wherein a gantry frame (2) is mounted on the top left and right sides of the base (1), and a straight line module (3) is tightly fitted on the front middle side of the gantry frame (2). Its features are, The linear module (3) has a cutting mechanism (4) fastened to the moving end of the front side, and a lower support structure (5) fastened to the top of the base (1). The lower support structure (5) has four pads (6) installed on the top, and a guide wheel (7) is rotatably connected to the upper left of each pad (6). The cutting mechanism (4) includes a vertical plate (41) fastened to the moving end of the front side of the linear module (3). The upper support structure (43) is fixedly connected to the lower middle side of the front part of the vertical plate (41) through a reinforcing block (42). The bottom of the upper support structure (43) is connected to four cutting structures (44). The bottom ends of the four cutting structures (44) are respectively offset from the four guide wheels (7). The upper support structure (43) and the lower support structure (5) have the same structure and size and are arranged symmetrically.

2. The automatic cutting device for precision filter processing according to claim 1, characterized in that, The upper support structure (43) includes a frame (431) fixed to the reinforcing block (42) at the top center. A first motor (432) is tightly fixed inside the upper right side of the frame (431). A screw (433) is connected to the left output end of the first motor (432). A bearing block (434) is rotatably connected to the left end of the screw (433), and the bearing block (434) is fixed inside the top side of the frame (431). The screw (433) is externally... The face thread is connected to an internal thread block (435), the bottom of which is connected to the support component (436). The support component (436) is inserted and slidably inserted into the support slot frame (437). The support slot frame (437) is horizontally embedded and fixed inside the middle side of the frame cover (431). The bottom of the support component (436) penetrates through the bottom side of the frame cover (431), and the bottom end of the support component (436) is connected to four cutting structures (44).

3. The automatic cutting device for precision filter processing according to claim 2, characterized in that, The frame (431) has a T-shaped through slot on the middle side of the bottom, and the support component (436) slides through the T-shaped through slot; the support frame (437) has an I-shaped structure, and a guide slot is provided in the middle. The guide slot is composed of an inverted trapezoidal slot at the bottom and a straight slot at the top. The guide slot and the straight slot are connected inside.

4. The automatic cutting device for precision filter processing according to claim 3, characterized in that, The support assembly (436) includes a first carrier block (4361) whose top side is fastened to an internal threaded block (435). The first carrier block (4361) is slidably connected to the inside of the inverted trapezoidal groove of the support frame (437), and the internal threaded block (435) slides through the inside of the slot of the support frame (437). The bottom middle side of the first carrier block (4361) is rotatably connected to one end of the first short rod (4362), and the bottom side of the other end of the first short rod (4362) is connected to a folding member. The folding member is composed of three main rods (4363) and two secondary rods (4364) arranged alternately and hinged. One end of the rightmost main rod (4363) is rotatably connected to the first short rod (4362), and one end of the leftmost main rod (4363) is connected to the second short rod. One end of (4365) is rotatably connected, and the other end of the second short rod (4365) has a second carrier block (4366) that rotates through it. The second carrier block (4366) is fixed to the left side inside the inverted trapezoidal groove. Three sliders (4367) and two third carrier blocks (4368) are alternately arranged and slid between the first carrier block (4361) and the second carrier block (4366) from right to left. The three sliders (4367) rotate through the inner side of the middle of the three main rods (4363), and the two third carrier blocks (4368) rotate through the inner side of the middle of the two secondary rods (4364). The bottom of the first carrier block (4361), the second carrier block (4366) and the two third carrier blocks (4368) are all connected to a cutting structure (44).

5. The automatic cutting device for precision filter processing according to claim 1, characterized in that, The cutting structure (44) includes a frame (441) connected to the upper support structure (43) at the top. A seat (442) is tightly fitted to the right side of the frame (441). A second motor (443) is tightly fitted to the upper side of the seat (442). A shaft (444) is connected to the bottom output end of the second motor (443). A first driving bevel gear (445) is wrapped and fixed on the upper side of the outer surface of the shaft (444). A first driven bevel gear (446) is meshed and driven on the bottom left side of the first driving bevel gear (445). A micro-motion component (447) is coaxially connected to the left side of the first driven bevel gear (446). The bottom end of the micro-motion component (447) is fixed to the support frame (448). The top left side is wrapped and slides on the bottom of the carrier (441). A key bar (449) is fixed on the lower part of the outer surface of the shaft (444), and the shaft (444) is wrapped and slides on the outside of the key bar (449) with a sliding sleeve (4410). The sliding sleeve (4410) rotates through the lower right side of the support frame (448), and a second driving bevel gear (4411) is fixedly connected to the bottom of the sliding sleeve (4410). The second driving bevel gear (4411) meshes with a second driven bevel gear (4412) on the lower left side. The second driven bevel gear (4412) is fastened to the cutting disk (4414) through a rotating shaft (4413) at the left central axis. The rotating shaft (4413) rotates through the middle side of the bottom of the support frame (448).

6. The automatic cutting device for precision filter processing according to claim 5, characterized in that, The carrier (441) has a hollowed-out groove (4401) on its left side, and the position of the hollowed-out groove (4401) corresponds to the position of the upper part of the micro-motion component (447).

7. The automatic cutting device for precision filter processing according to claim 5, characterized in that, The lower right side of the support frame (448) is fitted with a protective sleeve (4481) to enclose the second driving bevel gear (4411) and the second driven bevel gear (4412) inside it; the left side of the support frame (448) is fitted with a baffle plate (4482) to protect the upper middle part of the cutting disc (4414).

8. The automatic cutting device for precision filter processing according to claim 5, characterized in that, The micro-motion assembly (447) includes a drive rod (4471) coaxially connected to the first driven bevel gear (446). The drive rod (4471) passes through and rotates inside the eccentric hollow circular groove of the eccentric cylinder (4472). An end face gear ring (4473) is integrally fixed on the outer circumference of the left side of the eccentric hollow circular groove of the eccentric cylinder (4472). The left end of the drive rod (4471) is fastened to the end face gear disc (4474) by a nut (4475). On the left side of the ring (4473), the upper and lower sides of the eccentric cylinder (4472) are respectively fitted with an upper buckle sleeve (4476) and a lower buckle rod (4477), and the upper buckle sleeve (4476) and the lower buckle rod (4477) are fastened together on the front and rear sides. A rotating block (4478) is connected to the bottom end of the lower buckle rod (4477), and the rotating block (4478) is rotatably connected to the upper part of the inner side of the receiving seat (4479). The bottom of the receiving seat (4479) is fixed to the support frame (448).

9. The automatic cutting device for precision filter processing according to claim 8, characterized in that, The eccentric cylinder (4472) has flanges extending outward on both the left and right sides. The flanges on both sides are used to prevent the upper buckle sleeve (4476) and the lower buckle sleeve rod (4477) from disengaging.

10. The automatic cutting device for precision filter processing according to claim 8, characterized in that, The driving rod (4471) includes a column rod (44711) whose right end is coaxially fixed with the first driven bevel gear (446). A roller (44712) is eccentrically arranged on the left side of the column rod (44711), and a threaded column (44713) is fixedly connected to the central shaft of the left side of the roller (44712). The roller (44712) is inserted into the eccentric hollow circular groove of the eccentric cylinder (4472) and rotates. The threaded column (44713) is disposed through the end face gear plate (4474), and the nut (4475) is threadedly engaged with the threaded column (44713) to fasten the end face gear plate (4474) to the left side of the end face gear ring (4473).

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