Edge cutting device for filter shell machining

Abstract

The invention relates to the technical field of filter shell machining equipment, and provides a filter shell machining edge cutting device which comprises a workbench, and a containing hole allowing a shell to penetrate through is formed in the workbench in a penetrating mode; the positioning unit is rotationally arranged on the workbench, and the positioning unit is provided with a plurality of fan-shaped holding plates; the material pressing unit is arranged on the workbench in a lifting mode and provided with a material pressing base. The cutting unit is slidably arranged on the workbench and provided with a cutting edge. According to the technical scheme, through cooperative supporting of the fan-shaped holding plate and the material pressing base, deformation of the side plate in the cutting process is effectively limited, and the angle between the side plate and the shell is guaranteed. The structure that the pre-cut part of the side plate extends out of the periphery of the constraint area provides a clear and unshielded operation space for the cutting edge, and mistaken damage to the pre-reserved part in the cutting process is avoided. The cooperative action of the positioning unit, the material pressing unit and the cutting unit enables cutting to be continuous and controllable, and the situation that the shell is sleeved with the annular slitter edge is avoided.

Description

Technical Field

[0001] The embodiments of the present invention relate to the technical field of filter housing processing equipment, and more specifically, to a cutting device for processing filter housings. Background Technology

[0002] In industrial production, filters are key components ensuring the normal operation of various mechanical equipment and fluid systems. The machining precision and quality of their housings directly affect the filter's sealing performance, filtration efficiency, and service life. Filter housings are typically formed from metal materials through processes such as stamping and stretching. During the forming process, irregular waste edges are often generated at the housing ends. If these waste edges are not removed in time, they will not only affect the assembly precision of the filter housing but may also cause damage to seals or fluid leakage during subsequent use due to their sharp edges. Therefore, the edge trimming process is a crucial step in the manufacturing of filter housings. Currently, the industry primarily uses stamping to trim the waste edges of filter housings. This method applies impact force to the filter housing port using a stamping die, separating the waste edges from the main body of the housing. It is characterized by its simplicity and high processing efficiency. However, this traditional stamping trimming method presents several technical challenges in practical applications: On the one hand, the waste edges generated during the stamping and trimming process will be scattered directly in the processing station or inside the equipment. If not cleaned in time, the accumulation of waste edges can easily affect the continuity of subsequent processing operations, and may even cause equipment jams and other malfunctions. Therefore, manufacturing companies need to equip themselves with special waste edge collection and cleaning equipment, which not only increases the equipment investment cost of the production line, but also occupies more production space and reduces the rationality of the workshop layout. On the other hand, since filter housings are mostly cylindrical, the waste edges cut off during stamping are usually annular. After the waste edges separate from the main body of the housing, due to the impact force during processing and the influence of the housing structure, the annular waste edges are very likely to get stuck on the outer or inner wall of the finished filter housing. If operators fail to detect and remove the stuck waste edges in time, the finished product with waste edges will cause assembly difficulties when it enters the next process, and in severe cases, it will directly cause the finished filter housing to be scrapped, increasing production costs. At the same time, the stuck annular waste edges may also enter the transmission or processing parts of subsequent processing equipment, causing equipment wear, jamming, or even damage, affecting production progress and increasing equipment maintenance costs. Summary of the Invention

[0003] To overcome the above-mentioned defects, embodiments of the present invention provide a cutting device for processing filter housings, which solves the technical problems of the prior art, which uses stamping to cut off the waste edges of filter housings, requiring additional equipment to clean the cut waste edges, and the cut waste edges being ring-shaped, easily getting stuck on the finished filter housing, thus leading to the scrapping of the finished filter housing and easy damage to the equipment.

[0004] According to one aspect, at least one embodiment of the present invention provides a cutting device for processing a filter housing, for cutting off the side plate at the housing port of the filter housing, comprising: The workbench has a through-hole for the housing to pass through; The positioning unit is rotatably mounted on the worktable and is used to drive the housing to rotate. The positioning unit has several fan-shaped clamping plates that can slide radially and are used to abut against the outer wall of the housing to clamp the housing. The top surface of the fan-shaped clamping plates is used to support the side plates. The pressing unit is lifted and positioned on the worktable and above the positioning unit. The pressing unit has a pressing seat that can rotate with the housing. The bottom surface of the pressing seat is used to abut against the top surface of the side plate. A cutting unit is slidably disposed on the worktable. The cutting unit has a cutting edge disposed toward the positioning unit. The cutting unit can drive the cutting edge to slide and approach the side plate to cut the side plate.

[0005] For example, in a filter housing processing edge-cutting device provided in at least one embodiment of the present invention, the positioning unit further includes: An external toothed ring is rotatably mounted on the worktable and sleeved around the outer periphery of the receiving hole. A fan-shaped clamping plate is radially slidably connected to the top of the external toothed ring. Several fan-shaped clamping plates can approach each other and connect end to end to form a positioning channel for the shell to pass through. A rotation drive is provided on the worktable. The output end of the rotation drive is provided with a drive gear that meshes with the external gear ring. The drive gear can drive the external gear ring and the sector-shaped clamping plate to rotate synchronously under the drive of the rotation drive.

[0006] For example, in a filter housing processing edge cutting device provided in at least one embodiment of the present invention, the top of the fan-shaped clamping plate is provided with a recessed arc groove. When a plurality of the fan-shaped clamping plates are clamped to the outer periphery of the housing, the arc grooves of the plurality of fan-shaped clamping plates can form a ring. The workbench is provided with a number of telescopic drive components arranged radially along the outer toothed ring and corresponding one-to-one with the fan-shaped clamping plate. The telescopic end of the telescopic drive component is rotatably connected to a roller, and the peripheral wall of the roller is in rolling engagement with the two side walls of the arc-shaped groove.

[0007] For example, in a filter housing processing edge trimming device provided in at least one embodiment of the present invention, the worktable is provided with a mechanical arm for driving the pressing unit to move up and down, the pressing seat is rotatably connected to the end of the mechanical arm, and the bottom of the pressing seat has a downwardly protruding inner support boss. When the bottom of the pressing seat abuts against the side plate, the outer peripheral wall of the inner support boss contacts and engages with the inner peripheral wall of the housing.

[0008] For example, in a filter housing processing edge trimming device provided in at least one embodiment of the present invention, the pressing unit further includes: The expansion blocks are a plurality of each other, and the plurality of expansion blocks are slidably connected to the bottom of the inner support boss along the radial direction of the inner support boss. The plurality of expansion blocks can slide to abut against the inner wall of the housing, so that the filter housing can be raised and lowered under the drive of the pressing unit.

[0009] For example, in a filter housing processing edge trimming device provided in at least one embodiment of the present invention, the pressure seat has an upwardly extending connecting portion, the connecting portion is rotatably connected to the end of the robotic arm, and a frustum is slidably sleeved on the outer periphery of the connecting portion, the cross-sectional area of ​​the frustum gradually decreasing from top to bottom; The expansion block has an upwardly extending abutment rod, and the pressure seat has several limiting grooves through which the abutment rod passes, and the abutment rod slides in cooperation with the limiting grooves; The end of the robotic arm is provided with a sliding drive for driving the cone to move downward. The cone can move downward under the drive of the sliding drive and abut against the upper ends of several abutment rods by means of the cone surface, so as to push the expansion block to slide outward and abut against the inner wall of the shell. A reset elastic element is provided between the connecting part and the abutting rod. The reset elastic element is used to elastically pull back the abutting rod to provide a force that brings the plurality of expansion blocks closer to each other.

[0010] For example, in a filter housing processing edge-cutting device provided in at least one embodiment of the present invention, the cutting unit includes: The tool holder is slidably mounted on the worktable; The cutting tool is detachably mounted on the tool holder, and the cutting edge is located on the side of the cutting tool closer to the positioning unit.

[0011] For example, in a filter housing processing edge-cutting device provided in at least one embodiment of the present invention, the cutting unit further includes: A receiving box is provided on the workbench; A material collection pipe is provided on the workbench and located on the side where the cutting blade rotates toward the positioning unit. The material collection pipe is used to collect the waste material cut off from the side plate and guide the waste material into the receiving box.

[0012] For example, in a filter housing processing edge cutting device provided in at least one embodiment of the present invention, the receiving box is provided with a waste pressing block, the waste pressing block has a guiding channel through its top wall and bottom wall, the guiding channel is used to guide the waste cut off from the side plate into the receiving box; The waste compactor can move the material guide channel upward to connect with the collection pipe; the waste compactor can also move downward and compress the waste collected in the collection box.

[0013] For example, in a filter housing processing edge cutting device provided in at least one embodiment of the present invention, the side of the waste material pressing block is provided with a horizontally extending drive extension plate, the side of the knife holder near the receiving box is provided with a rack, the worktable is provided with a second gear meshing with the rack, and the bottom of the second gear is connected to a lead screw threadedly connected to the drive extension plate; Specifically, when the tool holder slides closer to the positioning unit, the second gear can drive the lead screw to rotate under the action of the rack to drive the extension plate to rise; when the tool holder slides away from the positioning unit, the second gear can drive the lead screw to rotate under the action of the rack to drive the extension plate to fall.

[0014] The beneficial effects of the embodiments of the present invention are as follows: In this invention, the diameter matching design of the fan-shaped clamping plate and the pressure seat ensures that the pre-reserved part of the side plate is within the circumferential closed area formed by the two. Through the coordinated support of the top and bottom surfaces, the deformation of the pre-reserved part during the cutting process is effectively limited, ensuring the angle between the side plate and the shell, and also ensuring the flatness of the edge after processing.

[0015] The structure of the pre-cut portion of the edge plate extending beyond the periphery of the constraint area provides a clear and unobstructed working space for the cutting edge, avoiding accidental damage to the pre-retained portion during cutting and reducing the scrap rate. The multiple sliding path design of the cutting unit enhances the adaptability of the device to diverse products. The coordinated action of the positioning unit and the cutting unit makes cutting continuous and controllable, avoiding the problem of circular waste edge stacking, reducing subsequent cleaning processes, and lowering production input and space occupation. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the drawings described below are merely some exemplary embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the content of the exemplary embodiments of the present invention and these drawings without any creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of a trimming device for processing a filter housing according to one embodiment of the present invention; Figure 2 for Figure 1 Enlarged view of point A in the middle; Figure 3 for Figure 2 Enlarged view at point B in the middle; Figure 4 for Figure 1 A schematic cross-sectional view of the edge-cutting device in the embodiment; Figure 5 for Figure 4 Enlarged view at point C; Figure 6 for Figure 1 Another cross-sectional view of the edge-cutting device in the embodiment; Figure 7 for Figure 6 Enlarged view at point D; Figure 8 for Figure 1 A schematic diagram of the working state structure of the edge-cutting device in the embodiment; Figure 9 for Figure 1 A cross-sectional structural diagram of the working state of the edge-cutting device in the embodiment; Figure 10 for Figure 9 Enlarged view of point E in the middle.

[0018] In the diagram: 100, shell; 200, side plate; 1, worktable; 11, receiving hole; 2, positioning unit; 21, positioning channel; 3, pressing unit; 4, cutting unit; 41, cutting edge; 23, external gear ring; 24, fan-shaped clamping plate; 25, rotation drive component; 26, arc groove; 28, telescopic drive component; 29, roller; 32, robotic arm; 33, pressing seat; 34, inner support boss; 35, expansion block; 331, connecting part; 36, cone; 351, abutment rod; 332, limiting slide groove; 37, sliding drive component; 38, reset elastic component; 42, tool holder; 43, cutting blade; 44, receiving box; 45, collecting pipe; 46, waste material pressing block; 47, guide channel; 461, driving extension plate; 421, rack; 48, second gear; 49, lead screw. Detailed Implementation The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it.

[0019] To keep the drawings concise, each drawing only schematically shows the parts relevant to the disclosure; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of components with the same structure or function is schematically shown, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."

[0020] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0021] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0022] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention.

[0023] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0024] like Figures 1-10 The diagram illustrates a trimming device for processing a filter housing according to an embodiment of the present invention. The filter housing includes a housing 100 and a side plate 200. The trimming device includes a worktable 1, a positioning unit 2, a pressing unit 3, and a cutting unit 4. The worktable 1 is horizontally positioned and has a through-hole 11 in its center for the housing 100 to pass through. The diameter of the through-hole 11 is adapted to the outer diameter of the housing 100.

[0025] Positioning unit 2 is rotatably mounted on the table surface of workbench 1 and includes several fan-shaped clamping plates 24 distributed circumferentially. The fan-shaped clamping plates 24 are provided with radial sliding tracks to achieve radial sliding. When the fan-shaped clamping plates 24 slide towards each other to a combined state, their tops form an annular plane. The outer diameter of this annular plane is consistent with the outer diameter of the pre-reserved portion of the side plate 200. The annular plane is used to support the side plate 200 at the port of housing 100. Pressing unit 3 is raised and lowered directly above positioning unit 2 and has a pressing seat 33 at its bottom. The pressing seat 33 is connected to the lifting structure through a bearing structure to achieve synchronous rotation with housing 100. The outer diameter of the bottom of the pressing seat 33 is consistent with the outer diameter of the annular plane at the top after the fan-shaped clamping plates 24 are combined. The bottom surface is parallel to the top surface of the side plate 200 and abuts against the side plate 200 during operation. The pre-cut portion of the side plate 200 extends radially outward from the top of the combined fan-shaped clamping plates 24. The cutting unit 4 is installed on the table surface of the worktable 1 through a linear sliding structure or an arc sliding structure. A cutting edge 41 is provided on the side near the positioning unit 2. The cutting edge 41 faces the central axis of the positioning unit 2. The cutting unit 4 can move the cutting edge 41 closer to or away from the side plate 200 along a radial linear or arc sliding path.

[0026] Its design principle is based on the synergistic mechanism of rotary cutting and boundary constraints. The processing boundary of the side plate 200 is defined by the size matching of the positioning unit 2 and the pressure unit 3. Continuous cutting is achieved by the linkage of the rotation of the housing 100 and the sliding of the cutting unit 4. The working process is as follows: after the housing 100 passes through the receiving hole 11, the side plate 200 is placed on the top surface of the fan-shaped clamping plate 24. The fan-shaped clamping plate 24 slides radially and merges, and the inner side wall clamps the outer wall of the housing 100. The pre-retained part corresponds to the top area of ​​the fan-shaped clamping plate 24, and the pre-cut part extends outward. The pressure unit 3 descends, and the bottom surface of the pressure seat 33 abuts against the top surface of the side plate 200. The positioning unit 2 drives the housing 100 to rotate. The cutting unit 4 slides towards the side plate 200 along the preset sliding path, and the cutting edge 41 contacts the pre-cut part to complete the cutting. After the cutting is completed, the cutting unit 4 resets, the pressure unit 3 rises, the fan-shaped clamping plate 24 is released, and the housing 100 is removed.

[0027] The matching diameter design of the fan-shaped clamping plate 24 and the pressure seat 33 ensures that the pre-retained portion of the side plate 200 is within the circumferentially enclosed area formed by the two. Through the coordinated support of the top and bottom surfaces, the deformation of the pre-retained portion during the cutting process is effectively limited, ensuring the angle between the side plate 200 and the housing 100, while also ensuring the flatness of the processed edge. The structure of the pre-cut portion of the side plate 200 extending beyond the periphery of the constraint area provides a clear and unobstructed working space for the cutting edge 41, avoiding accidental damage to the pre-retained portion during cutting and reducing the scrap rate. The coordinated action of the positioning unit 2 and the cutting unit 4 makes the cutting continuous and controllable, avoiding the problem of ring-shaped waste edge stacking, reducing subsequent cleaning processes, and lowering production input and space occupation.

[0028] In some examples, to achieve the rotation function of the positioning unit 2, the positioning unit 2 also includes an external gear ring 23 and a rotation drive 25. The external gear ring 23 is rotatably mounted on the surface of the worktable 1 via bearings, and its inner ring surrounds the outer periphery of the receiving hole 11. The top of the external gear ring 23 is slidably connected to the sliding groove at the bottom of the fan-shaped clamping plate 24 via a radial slider, so that the fan-shaped clamping plate 24 can slide radially along the external gear ring 23. When several fan-shaped clamping plates 24 slide towards each other, they can connect end to end to form a positioning channel 21 that matches the inner diameter of the housing 100. The rotation drive 25 is fixed to the bottom or side of the worktable 1, and a drive gear is installed at the end of its output shaft. The drive gear meshes with the outer peripheral teeth of the external gear ring 23. During operation, the rotation drive 25 drives the drive gear to rotate, and through the meshing of the teeth, it drives the external gear ring 23 to rotate around the axis of the receiving hole 11, thereby driving the fan-shaped clamping plate 24 and the clamped housing 100 to rotate synchronously.

[0029] The sliding connection structure between the external gear ring 23 and the fan-shaped clamping plate 24 allows the fan-shaped clamping plate 24 to rotate synchronously with the external gear ring 23 while performing radial clamping, ensuring a stable clamping state during the rotation of the housing 100. The meshing transmission method between the drive gear and the external gear ring 23 provides high transmission accuracy and stable power transmission, avoiding speed fluctuations or jamming during the rotation of the housing 100, ensuring the continuity of contact between the cutting edge 41 and the side plate 200, and improving the surface finish of the cut edge. The layout of the external gear ring 23 around the outer periphery of the receiving hole 11 ensures that the rotation center coincides with the axis of the housing 100, reducing the offset of the housing 100 caused by centrifugal force and further improving cutting accuracy.

[0030] Furthermore, such as Figures 1-3 As shown, to achieve radial synchronous sliding of the fan-shaped clamping plate 24, the fan-shaped clamping plate 24 is provided with a concave arc-shaped groove 26; when several fan-shaped clamping plates 24 are clamped on the outer periphery of the housing 100, the arc-shaped grooves 26 are connected end to end to form a closed ring. Several telescopic drive members 28 are fixed radially along the outer toothed ring 23 on the worktable 1. The telescopic drive members 28 correspond one-to-one with the fan-shaped clamping plates 24, and their telescopic ends are rotatably connected to rollers 29 through pins. The peripheral wall of the rollers 29 simultaneously rolls with the two groove side walls of the arc-shaped grooves 26. When the telescopic drive members 28 extend or retract, they push the fan-shaped clamping plates 24 to slide radially through the groove walls. When the outer toothed ring 23 rotates, the rollers 29 roll along the groove walls of the arc-shaped grooves 26.

[0031] The mating structure of the arc-shaped groove 26 and the roller 29 converts the linear motion of the telescopic drive component 28 into the radial sliding of the fan-shaped clamping plate 24. The rolling contact of the roller 29 reduces frictional resistance and lowers component wear. When several telescopic drive components 28 move synchronously, the guiding effect of the arc-shaped groove 26 ensures that all fan-shaped clamping plates 24 slide with the same amount, keeping the positioning channel 21 concentric and preventing eccentric deformation when the housing 100 is clamped. The closed-loop design of the arc-shaped groove 26 ensures that the fan-shaped clamping plate 24 maintains stable force in any clamping position.

[0032] Further preferably, to realize the lifting and rotating following function of the pressing unit 3, a robotic arm 32 is provided on the top of the worktable 1. The end of the robotic arm 32 is connected to the pressing unit 3 to drive its lifting and lowering. The top of the pressing seat 33 is provided with an upwardly extending connecting part 331, which is rotatably connected to the end of the robotic arm 32 through a thrust bearing. The bottom center of the pressing seat 33 is provided with a downwardly protruding inner support boss 34. The outer peripheral wall of the inner support boss 34 is an arc surface adapted to the inner peripheral wall of the housing 100. When the bottom surface of the pressing seat 33 abuts against the side plate 200, the inner support boss 34 extends into the port of the housing 100, and the outer peripheral wall fits against the inner peripheral wall of the housing 100.

[0033] The robotic arm 32 drives the lifting and lowering of the pressing unit 3, which can precisely control the contact force between the pressing seat 33 and the side plate 200, avoiding excessive pressure that could cause deformation of the side plate 200. The inner support boss 34 fits snugly against the inner wall of the housing 100, forming radial support from inside the housing 100. This, together with the external clamping of the fan-shaped clamping plate 24, creates coordinated internal and external positioning, further limiting the radial sway of the housing 100 and preventing deformation of the housing 100's end during cutting. The pressing seat 33 is rotatably connected to the robotic arm 32 via bearings, ensuring that the pressing seat 33 rotates synchronously when the housing 100 rotates. This prevents relative friction between the two from causing scratches on the surface of the side plate 200, ensuring the appearance quality of the finished product.

[0034] In some examples, to achieve the axial lifting function of the housing 100, the pressing unit 3 also includes several expansion blocks 35, such as... Figures 4-5 As shown, the expansion blocks 35 are evenly distributed circumferentially along the inner support boss 34 and are slidably connected to the bottom of the inner support boss 34 via radial slide rails. The outer side wall of the expansion blocks 35 is an arc-shaped surface adapted to the inner peripheral wall of the housing 100. When the expansion blocks 35 slide radially outward, the outer side wall can abut against the inner wall of the housing 100; after the housing 100 is processed, the expansion blocks 35 slide inward to detach from the housing 100, making it easy to remove the housing 100.

[0035] The radial sliding design of the expansion block 35 allows for axial lifting of the housing 100 by abutting against the inner wall of the housing 100. This, combined with the movement of the robotic arm 32, enables automatic loading and unloading of the housing 100, reducing manual intervention. The arc-shaped outer wall of the expansion block 35 fits snugly against the inner wall of the housing 100, preventing excessive local stress that could cause deformation of the housing 100 and ensuring clamping safety.

[0036] To achieve synchronous radial sliding of the expansion block 35, preferably, a truncated cone 36 is fitted around the outer periphery of the connecting portion 331 of the pressure seat 33. The cross-sectional area of ​​the truncated cone 36 gradually decreases from top to bottom, and its inner wall slides in fit with the connecting portion 331. The top of the expansion block 35 is provided with an upwardly extending abutment rod 351. Several limiting grooves 332 are formed on the side wall of the pressure seat 33. The abutment rod 351 passes through the limiting grooves 332 and slides in fit with them. The top of the abutment rod 351 contacts the inclined surface of the truncated cone 36. A sliding drive member 37 is provided at the end of the robotic arm 32. Its output end abuts against the truncated cone 36 to drive it to slide axially along the connecting portion 331. A reset elastic member 38 is connected between the connecting portion 331 and the abutment rod 351. The reset elastic member 38 is in a stretched state, providing centripetal tension to the abutment rod 351. During operation, the sliding drive 37 drives the cone 36 to move downward, and the inclined surface presses against the abutment rod 351 to drive the expansion block 35 to expand outward; after the cutting is completed, the reset elastic element 38 pulls the abutment rod 351 to reset the expansion block 35, and the upper end of the abutment rod 351 pushes the cone 36 to move upward.

[0037] The inclined surface mating structure between the frustum 36 and the abutment rod 351 converts the axial movement of the frustum 36 into the radial synchronous sliding of the expansion blocks 35, ensuring uniform force distribution on all expansion blocks 35 and preventing eccentric clamping by the housing 100. The reset elastic element 38 enables automatic reset of the expansion blocks 35, eliminating the need for an additional drive structure and simplifying the device layout. The guiding effect of the limiting groove 332 on the abutment rod 351 ensures precise sliding direction of the expansion blocks 35, preventing jamming or offset and improving the reliability of the clamping action.

[0038] In some examples, to achieve a stable feed of the cutting edge 41, such as Figures 6-10 As shown, the cutting unit 4 includes a tool holder 42 and a cutting blade 43. The tool holder 42 is slidably mounted on the surface of the worktable 1 via a linear guide rail, with its sliding direction pointing towards the center of the positioning unit 2. The cutting blade 43 is detachably fixed to the side of the tool holder 42 near the positioning unit 2 by bolts. The cutting edge 41 is located at the end of the cutting blade 43, and the angle of the cutting edge 41 is adapted to the cutting requirements of the side plate 200. When the tool holder 42 slides, the cutting blade 43 moves synchronously with the tool holder 42, causing the cutting edge 41 to move closer to or away from the side plate 200.

[0039] The cooperation between the tool holder 42 and the linear guide ensures smooth sliding of the cutting tool 43, improves the feed accuracy of the cutting edge 41, and guarantees consistent edge dimensions. The detachable design of the cutting tool 43 facilitates the replacement of the corresponding tool model according to different edge plate 200 materials or cutting requirements, reducing maintenance costs. The bolt fixing method simplifies tool replacement, reduces equipment downtime, and improves production efficiency.

[0040] Furthermore, to achieve directional collection of cutting waste, the cutting unit 4 also includes a receiving box 44 and a collecting pipe 45. The receiving box 44 is fixed to the bottom surface of the workbench 1 and communicates with the workbench 1 surface. The collecting pipe 45 is installed on the workbench 1 surface via a bracket. Its inlet is located on the side where the cutting blade 43 rotates towards the positioning unit 2, and its outlet is connected to the receiving box 44 via a flexible hose or rigid pipe. The inlet of the collecting pipe 45 is funnel-shaped, with the opening facing the cutting area, and is used to collect the cutting waste. The waste slides down the inner wall of the collecting pipe 45 and enters the receiving box 44 for collection via the flexible hose or rigid pipe.

[0041] The funnel-shaped feed inlet of the collecting pipe 45 can efficiently capture cutting waste, preventing it from scattering onto the worktable 1 or in the gaps between equipment, thus keeping the processing environment clean. Waste is guided directionally through the collecting pipe 45 to the receiving box 44 for centralized collection, reducing the frequency of manual cleaning and lowering labor intensity. The arrangement of the collecting pipe 45 in the direction of the rotating cutting tool 43 allows the airflow generated by the rotation of the housing 100 to assist waste into the collecting pipe 45, improving collection efficiency.

[0042] A further preferred embodiment is that, to achieve compressed storage of waste, such as... Figures 6-10 As shown, a waste pressing block 46 is provided inside the receiving box 44. The waste pressing block 46 is slidably connected to the inner wall of the receiving box 44 via a vertical guide rail, and a guide channel 47 is provided through it. The upper inlet of the guide channel 47 is a flared opening, which is adapted to the outlet of the collecting pipe 45, and the lower outlet leads to the bottom of the receiving box 44. When the tool holder 42 slides towards the positioning unit 2, and the cutting edge 41 contacts the side plate 200 and begins cutting, the waste pressing block 46 rises to the inlet of the guide channel 47 and connects with the collecting pipe 45, and the waste enters the receiving box 44 along the guide channel 47. When the tool holder 42 slides away from the positioning unit 2 and no longer cuts the side plate 200, the waste pressing block 46 descends, squeezing the waste in the receiving box 44 from the bottom to reduce the volume occupied by the waste.

[0043] The guide channel 47 guides the waste material while buffering its falling speed to prevent splashing. The lifting and lowering action of the waste block 46 integrates waste collection and compression, reducing waste volume without the need for additional compression equipment, increasing the storage capacity of the collection box 44, and extending the cleaning cycle. The vertical guide rail ensures smooth lifting and lowering of the waste block 46, preventing tilting during compression and ensuring uniform compression.

[0044] In some preferred embodiments, to achieve linkage between the scrap block 46 and the cutting action, a horizontally extending drive extension plate 461 is fixed to the side of the scrap block 46, and a threaded hole is opened in the middle of the drive extension plate 461. A rack 421 is fixed to the side of the tool holder 42 near the receiving box 44. A second gear 48 is rotatably mounted on the surface of the worktable 1 via a bracket. The second gear 48 meshes with the rack 421, and a lead screw 49 is coaxially fixed at its bottom. The lead screw 49 is threadedly connected to the threaded hole of the drive extension plate 461. When the tool holder 42 slides toward the positioning unit 2, the rack 421 drives the second gear 48 to rotate in the forward direction, and the lead screw 49 drives the extension plate 461 and the scrap block 46 to rise. When the tool holder 42 slides away from the positioning unit 2, the rack 421 drives the second gear 48 to rotate in the reverse direction, and the lead screw 49 drives the extension plate 461 and the scrap block 46 to fall.

[0045] The linkage structure between the tool holder 42 and the waste material pressing block 46 utilizes the sliding force of the tool holder 42 to drive the lifting and lowering of the waste material pressing block 46, eliminating the need for an additional drive device, simplifying the equipment structure and saving energy. When the tool holder 42 approaches the cutting area, the pressing block rises to open the material collection channel; when the tool holder 42 returns to its original position, the pressing block descends to compress the waste material, achieving synchronous linkage between cutting and waste material processing, thus improving production continuity. The transmission combination of the gear rack 421 and the lead screw 49 ensures precise coordination between the lifting and lowering action of the pressing block and the sliding action of the tool holder 42, avoiding action interference and improving the operational stability of the device.

[0046] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A cutting device for processing filter housings, used to cut off the side plate (200) at the port of the housing (100) of a filter housing, characterized in that, include: The workbench (1) has a through-hole (11) for the housing (100) to pass through. The positioning unit (2) is rotatably mounted on the workbench (1) and is used to drive the housing (100) to rotate. The positioning unit (2) has several fan-shaped clamping plates (24) that can slide radially and are used to abut against the outer wall of the housing (100) to clamp the housing (100). The top surface of the fan-shaped clamping plate (24) is used to support the side plate (200). The pressing unit (3) is lifted and positioned on the worktable (1) and above the positioning unit (2). The pressing unit (3) has a pressing seat (33) that can rotate with the housing (100). The bottom surface of the pressing seat (33) is used to abut against the top surface of the side plate (200). The cutting unit (4) is slidably disposed on the worktable (1). The cutting unit (4) has a cutting edge (41) disposed toward the positioning unit (2). The cutting unit (4) can drive the cutting edge (41) to slide and approach the side plate (200) to cut the side plate (200).

2. The edge-cutting device for processing filter housings according to claim 1, characterized in that, The positioning unit (2) further includes: The external toothed ring (23) is rotatably mounted on the workbench (1) and sleeved on the outer periphery of the receiving hole (11). The fan-shaped clamping plate (24) is radially slidably connected to the top of the external toothed ring (23). Several fan-shaped clamping plates (24) can approach each other and connect end to end to form a positioning channel (21) for the housing (100) to pass through. A rotating drive (25) is provided on the worktable (1). The output end of the rotating drive (25) is provided with a drive gear that meshes with the external gear ring (23). The drive gear can drive the external gear ring (23) and the fan-shaped clamping plate (24) to rotate synchronously under the drive of the rotating drive (25).

3. The edge-cutting device for processing filter housings according to claim 2, characterized in that, The top of the fan-shaped clamping plate (24) is provided with a recessed arc groove (26). When several fan-shaped clamping plates (24) are clamped around the outer periphery of the shell (100), the arc grooves (26) of several fan-shaped clamping plates (24) can form a ring. The workbench (1) is provided with several telescopic drive members (28) arranged radially along the outer toothed ring (23) and corresponding one-to-one with the fan-shaped clamping plate (24). The telescopic end of the telescopic drive member (28) is rotatably connected to a roller (29). The peripheral wall of the roller (29) is in rolling engagement with the two side walls of the arc groove (26).

4. The edge-cutting device for processing filter housings according to claim 1, characterized in that, The workbench (1) is provided with a mechanical arm (32) for driving the pressing unit (3) to move up and down. The pressing seat (33) is rotatably connected to the end of the mechanical arm (32). The bottom of the pressing seat (33) has a downward protruding inner support boss (34). When the bottom of the pressing seat (33) abuts against the side plate (200), the outer peripheral wall of the inner support boss (34) contacts and cooperates with the inner peripheral wall of the housing (100).

5. The edge-cutting device for processing filter housings according to claim 4, characterized in that, The pressing unit (3) further includes: Expansion blocks (35), a number of expansion blocks (35), a number of expansion blocks (35) are slidably connected to the bottom of the inner support boss (34) along the radial direction of the inner support boss (34), and a number of expansion blocks (35) can slide to abut against the inner wall of the housing (100) so that the filter housing can move up and down under the drive of the pressing unit (3).

6. The edge-cutting device for processing filter housings according to claim 5, characterized in that, The pressure seat (33) has an upwardly extending connecting part (331), which is rotatably connected to the end of the robotic arm (32). A frustum (36) is slidably sleeved on the outer periphery of the connecting part (331), and the cross-sectional area of ​​the frustum (36) gradually decreases from top to bottom. The expansion block (35) has an upwardly extending abutment rod (351), and the pressure seat (33) has a plurality of limiting grooves (332) through which the abutment rod (351) passes. The abutment rod (351) slides in conjunction with the limiting groove (332). The end of the robotic arm (32) is provided with a sliding drive (37) for driving the cone (36) to move downward. The cone (36) can move downward under the drive of the sliding drive (37) and abut against the upper ends of a plurality of abutment rods (351) by means of the cone surface, so as to push the expansion block (35) to slide outward and abut against the inner wall of the housing (100); A reset elastic element (38) is provided between the connecting part (331) and the abutting rod (351). The reset elastic element (38) is used to elastically pull back the abutting rod (351) to provide a force that brings the plurality of expansion blocks (35) closer to each other.

7. The edge-cutting device for processing filter housings according to claim 1, characterized in that, The cutting unit (4) includes: The tool holder (42) is slidably mounted on the worktable (1); The cutting tool (43) is detachably mounted on the tool holder (42), and the cutting edge (41) is located on the side of the cutting tool (43) near the positioning unit (2).

8. The edge-cutting device for processing filter housings according to claim 7, characterized in that, The cutting unit (4) further includes: A receiving box (44) is provided on the workbench (1); The material collection pipe (45) is located on the workbench (1) and on the side where the cutting blade (43) rotates toward the positioning unit (2). The material collection pipe (45) is used to collect the waste material cut off on the side plate (200) and guide the waste material into the receiving box (44).

9. A trimming device for processing filter housings according to claim 8, characterized in that, The receiving box (44) is equipped with a waste pressing block (46) that is raised and lowered. The waste pressing block (46) has a guide channel (47) that runs through its top and bottom walls. The guide channel (47) is used to guide the waste material cut off from the side plate (200) into the receiving box (44). The waste compactor (46) can drive the material guide channel (47) to move upward to communicate with the collection pipe (45); the waste compactor (46) can also move downward and compress the waste collected in the collection box (44).

10. A trimming device for processing filter housings according to claim 9, characterized in that, The waste block (46) has a horizontally extending drive extension plate (461) on its side. The knife holder (42) has a rack (421) on its side near the receiving box (44). The workbench (1) has a second gear (48) that meshes with the rack (421). The bottom of the second gear (48) is connected to a lead screw (49) that is threadedly connected to the drive extension plate (461). When the tool holder (42) slides close to the positioning unit (2), the second gear (48) can drive the lead screw (49) to rotate under the action of the rack (421) to drive the extension plate (461) to rise. When the tool holder (42) slides away from the positioning unit (2), the second gear (48) can drive the lead screw (49) to rotate under the action of the rack (421) to drive the extension plate (461) to fall.

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