Outer surface deburring device for coupler machining

Abstract

The utility model relates to an outer surface deburring device for coupler processing. The outer surface deburring device comprises a placement bottom plate for providing a mounting plane, a transmission assembly for directionally conveying cavity workpieces and an isolation box shell for suspending a deburring assembly above the transmission assembly and defining a processing shell cavity, wherein the transmission assembly is supported on the placement bottom plate; limiting mounting bases capable of clamping cavity workpieces are distributed on a conveying belt of the conveying assembly at intervals. And a static electricity eliminating unit located on the downstream of the deburring assembly is further suspended on the inner top face of the isolation box shell, a chipping cleaning assembly is further installed on the inner side face of the isolation box shell, and a slag collecting groove capable of collecting falling chippings is further formed in the inner bottom face of the isolation box shell. According to the utility model, the surface of the coupler cavity shell can be efficiently treated in batches, and meanwhile, the comprehensiveness of burr removal on the surface of the cavity shell can be ensured, so that the surface quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of coupler processing equipment technology, and in particular to a deburring device for coupler processing. Background Technology

[0002] Couplers, a common functional component in microwave systems, are devices that transfer power between systems. They can divide a single microwave power source into several proportional paths within a microwave system; they can also connect the shafts of driving and driven devices in mechanics. A coupler can be an independent hardware interface device, allowing hardware or electronic interfaces to connect to other hardware or electronic interfaces. Couplers are primarily radio frequency devices that extract a small portion of the signal from the main wireless signal channel. Like power dividers, they are power distribution devices, but unlike power dividers, couplers distribute power unequally. Couplers are used in conjunction with power dividers primarily to achieve one goal—to distribute the transmit power of the signal source as evenly as possible to the various antenna ports of an indoor distribution system, ensuring that the transmit power of each antenna port is essentially the same.

[0003] The coupler housing is typically a pre-produced plastic part manufactured using injection molding or similar methods. Its surface and edges are prone to burrs, so deburring is usually required before assembly to improve surface quality. However, existing deburring equipment typically only provides a single clamping station, preventing continuous surface processing. The deburring and disassembly / assembly processes must alternate, significantly reducing batch processing efficiency. Furthermore, the complexity and difficulty of disassembly / assembly result in a long processing cycle, limiting the potential for increased processing speed. In particular, existing clamping and limiting structures can obstruct parts of the housing's outer surface, hindering comprehensive grinding. This often results in burrs being partially covered by the clamping structure, preventing effective removal and leading to a low overall removal rate and poor burr removal. Additionally, due to static electricity, some burr debris removed during grinding adheres to the housing surface, preventing direct cleaning by the grinding structure and impacting cleaning effectiveness and quality. Utility Model Content

[0004] The purpose of this invention is to provide a surface deburring device for coupler processing that can perform surface treatment of coupler cavity shells with high efficiency and batch processing while ensuring comprehensive removal of burrs from the cavity shell surface, thereby improving surface quality. This solves the problems of existing deburring equipment that only provides a single clamping station, making it impossible to perform workpiece clamping and grinding operations simultaneously, which significantly limits the processing speed. It also addresses the issue that existing clamping structures can obstruct at least part of the coupler cavity shell surface, resulting in burr residue in the obstructed areas and affecting the surface quality after processing.

[0005] The technical solution adopted by this utility model is as follows: a deburring device for coupler processing, comprising a mounting base plate providing an installation plane, a transmission assembly for directional conveying of cavity workpieces supported on the mounting base plate, an isolation box shell suspending the deburring assembly above the transmission assembly and defining the processing cavity; limiting mounting seats capable of clamping cavity workpieces are spaced apart on the transmission belt of the transmission assembly; an electrostatic elimination unit downstream of the deburring assembly is also suspended on the inner top surface of the isolation box shell, and a debris cleaning assembly is also installed on the inner side surface of the isolation box shell; a slag collection groove capable of collecting falling debris is also provided on the inner bottom surface of the isolation box shell.

[0006] According to a preferred embodiment, the deburring assembly includes a top plate, a lifting and adjusting rod, an annular guide rail, a hydraulic translation rod, a deflection adjustment mechanism, and a grinding mechanism. The top plate is mounted on the inner top surface of the isolation box, and the lifting and adjusting rods are circumferentially spaced on the lower surface of the top plate. The axial lower end of each lifting and adjusting rod is connected to the annular guide rail, and the hydraulic translation rod is connected to the moving end of the annular guide rail. The moving end of the hydraulic translation rod is connected to the deflection adjustment mechanism, which is capable of adjusting the tilt angle of the grinding mechanism.

[0007] According to a preferred embodiment, a grinding drive motor is mounted on the base of the grinding mechanism, and a grinding head is mounted on the moving end of the grinding drive motor away from the base.

[0008] According to a preferred embodiment, the deflection adjustment mechanism includes a vertical plate connected to the hydraulic translation rod and a telescopic adjustment rod that is aligned and hinged to the vertical plate, wherein the end of the telescopic adjustment rod away from the vertical plate is connected to the machine base.

[0009] According to a preferred embodiment, the transmission belt of the transmission assembly is sleeved on the transmission rollers that are aligned and arranged on both sides of the isolation box shell, and the transmission rollers are supported on the mounting base plate by a support frame. A stepper drive motor capable of driving the transmission rollers to rotate is also provided on the support frame.

[0010] According to a preferred embodiment, an auxiliary support groove plate is further provided below the conveying plane defined by the conveyor belt, which is connected to the inner side of the isolation box shell to assist in supporting the conveyor belt.

[0011] According to a preferred embodiment, the limiting mounting base includes a base body, an insert limiting block, an insert airbag, and a magnetic pressure plate. The base body is spaced apart on the conveyor belt, and the base body is provided with the insert limiting block that can be inserted into the cavity workpiece. The insert airbag is disposed in the insert limiting block, and the magnetic pressure plate is disposed at the bottom of the insert airbag.

[0012] According to a preferred embodiment, the embedded airbag is provided with expansion sub-bags that penetrate the embedded limiting block at intervals around its perimeter; a magnetic adjustment plate that can change the working position of the magnetic pressure plate is also provided on the auxiliary support groove plate.

[0013] According to a preferred embodiment, through openings are provided on two sides of the isolation box shell for the conveyor belt and the limiting mounting seat to pass through, and a supporting column is also provided at the bottom of the isolation box shell.

[0014] According to a preferred embodiment, the debris cleaning assembly includes a strip-shaped base embedded in the inner side of the isolation housing and a cleaning fan inserted into the strip-shaped base.

[0015] The beneficial effects of this utility model are:

[0016] The transmission component provided in this application can cooperate with the limiting mounting base to drive the coupler cavity shell to move in a step-by-step manner, thereby achieving continuous material feeding. It also separates the disassembly / assembly station from the deburring station, allowing disassembly / assembly and deburring operations to be performed simultaneously. This avoids the constraints on the processing cycle caused by alternating disassembly / assembly and deburring operations, shortening the processing cycle and improving processing efficiency. The deburring component provided in this application can move in multiple directions within a certain space and position itself in various tilting grinding postures according to requirements, thereby improving the grinding and deburring capabilities and effects. The limiting mounting base provided in this application improves clamping adaptability and clamping stability through internal support limiting. Furthermore, the internal support limiting method does not obstruct the outer surface, fully exposing the surface of the coupler cavity shell, facilitating thorough and comprehensive surface grinding, improving the deburring removal rate and overall quality. The static elimination unit and debris cleaning component provided in this application can perform static elimination and debris cleaning respectively, thereby effectively clearing debris from the coupler housing, limit mounting base and conveyor belt surface, improving cleaning effect and quality, preventing debris from being carried out of the isolation housing and causing pollution to the surrounding environment, and ensuring the cleanliness of the equipment surroundings. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of a preferred deburring device for coupler processing proposed in this utility model;

[0018] Figure 2 This is a schematic diagram of the deburring component of a preferred deburring device for coupler processing proposed in this utility model.

[0019] List of reference numerals

[0020] 1: Base plate; 2: Transmission assembly; 3: Isolation box shell; 4: Deburring assembly; 5: Limiting mounting seat; 6: Static elimination unit; 7: Debris cleaning assembly; 8: Slag collection trough; 21: Conveyor belt; 22: Drive roller; 23: Support frame; 24: Stepper drive motor; 25: Auxiliary support trough plate; 31: Through opening; 32: Support column; 33: Air blowing unit; 41: Top plate; 42: Lifting and adjusting rod; 43: Circular guide 44: Rail; 45: Hydraulic translation rod; 46: Deflection adjustment mechanism; 451: Grinding mechanism; 452: Vertical plate; 453: Telescopic adjustment rod; 461: Rotary connecting shaft; 462: Base; 463: Grinding drive motor; 51: Grinding head; 52: Mounting limit block; 53: Mounting airbag; 54: Magnetic pressure plate; 55: Magnetic adjustment plate; 531: Expansion auxiliary bladder; 71: Strip-shaped base; 72: Cleaning exhaust fan. Detailed Implementation

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the present utility model will be briefly introduced below in conjunction with the accompanying drawings and descriptions of the embodiments or the prior art. Obviously, the following description of the structure of the drawings is only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] The technical solutions provided by this utility model will be described in detail below with reference to the accompanying drawings and through embodiments. It should be noted that the descriptions of these embodiments are intended to aid in understanding this utility model, but do not constitute a limitation thereof. In some examples, because some implementation methods belong to existing or conventional technology, they are not described or are not described in detail.

[0023] The following is a detailed explanation with reference to the accompanying drawings.

[0024] Example 1

[0025] This application provides a deburring device for coupler processing, which includes a mounting base plate 1, a transmission component 2, an isolation box shell 3, a deburring component 4, a limiting mounting seat 5, an electrostatic elimination unit 6, a debris cleaning component 7, and a slag collection tank 8.

[0026] according to Figure 1-2In one specific embodiment shown, the mounting base 1 provides a mounting surface for the transmission assembly 2 and the isolation housing 3. The transmission assembly 2, which directionally conveys the workpiece in the cavity, is supported on the mounting base 1. The isolation housing 3, which suspends the deburring assembly 4 above the transmission assembly 2 and defines the processing cavity, is also supported. Limiting mounting seats 5, capable of clamping the workpiece in the cavity, are spaced apart on the conveyor belt 21 of the transmission assembly 2. An electrostatic eliminator 6, located downstream of the deburring assembly 4, is also suspended on the inner top surface of the isolation housing 3. A debris cleaning assembly 7 is also installed on the inner side surface of the isolation housing 3. A slag collection trough 8, capable of collecting falling debris, is also provided on the inner bottom surface of the isolation housing 3. The transmission component 2 provided in this application can cooperate with the limiting mounting base 5 to drive the coupler cavity shell to move in a step-by-step manner, thereby achieving continuous material feeding and separating the disassembly and assembly station from the deburring station. This allows the disassembly and assembly operations and deburring operations to be performed simultaneously, avoiding the constraints on the processing cycle caused by the alternation of disassembly and assembly operations and deburring operations, thus shortening the processing cycle and improving processing efficiency. The deburring component 4 provided in this application can move in multiple directions within a certain space and position itself in various tilting grinding postures according to requirements, thereby improving the grinding and deburring capabilities and effects. The limiting mounting base 5 provided in this application can improve clamping adaptability and clamping stability through internal support limiting, and can fully expose the surface of the coupler cavity shell without obstructing the outer surface, so as to perform thorough and comprehensive surface grinding, thereby improving the deburring removal rate and overall quality. The static elimination unit 6 and the debris cleaning component 7 provided in this application can perform static elimination and debris cleaning respectively, thereby effectively clearing debris from the coupler cavity shell, the limit mounting seat 5 and the surface of the conveyor belt 21, improving the cleaning effect and quality, preventing debris from being carried out of the isolation cavity shell 3 and causing pollution to the surrounding environment, and ensuring the cleanliness of the equipment's surroundings.

[0027] Preferably, the conveyor belt 21 of the conveyor assembly 2 is fitted onto the drive rollers 22 that are aligned and arranged on both sides of the isolation housing 3. Preferably, the drive rollers 22 are supported on the mounting base plate 1 by a support frame 23. Preferably, a stepper drive motor 24 capable of driving the drive rollers 22 to rotate is also provided on the support frame 23. Preferably, the stepper drive motor 24 can be a high-precision stepper rotary motor of the PDW-nrt-3A series. Preferably, an auxiliary support groove plate 25 connected to the inner side of the isolation housing 3 and assisting in supporting the conveyor belt 21 is also provided below the conveying plane defined by the conveyor belt 21. The auxiliary support groove plate 25 provided in this application can limit the conveyor belt 21 in the isolation housing 3 to be in at least a part of the deburring station, improve the stability of the conveyor belt 21, and ensure the stability of the limiting mounting seat 5 and the coupler cavity shell it positions during deburring, so as to ensure that the deburring assembly 4 can effectively remove the burrs on the surface of the coupler cavity shell.

[0028] Preferably, through openings 31 are provided on two sides of the isolation box shell 3 for the conveyor belt 21 and the limiting mounting seat 5 to pass through. Preferably, a supporting column 32 is also provided at the bottom of the isolation box shell 3. Preferably, an air blowing unit 33 is provided above the through opening 31, which can form a partition air curtain inside the opening. More preferably, the air blowing unit 33 includes an airflow fan that penetrates the shell wall of the isolation box shell 3 and a strip-shaped air outlet connected to the airflow fan. The airflow fan can be a YEX-TF31A type airflow fan. The isolation box shell 3 provided in this application can separate the deburring processing space from the outside world, avoiding the burr debris from flying everywhere and causing pollution to the factory environment, and also avoiding the problem of debris flying into the eyes, mouth and nose and threatening the health of personnel. While intercepting debris, the isolation box shell 3 also facilitates the collection of debris in the shell cavity, thereby facilitating subsequent cleaning and reducing the tediousness and workload of cleaning work. The air blowing unit 33 provided in this application can form a shielding air curtain at the through-hole 31 of the isolation box shell 3, thereby effectively preventing flying debris from the through-hole 31 and improving the barrier effect of the isolation box shell 3.

[0029] Preferably, the deburring assembly 4 includes a top plate 41, a lifting and adjusting rod 42, an annular guide rail 43, a hydraulic translation rod 44, a deflection adjustment mechanism 45, and a grinding mechanism 46. Preferably, the top plate 41 is mounted on the inner top surface of the isolation housing 3. More preferably, the lifting and adjusting rods 42 are circumferentially spaced on the lower surface of the top plate 41. Preferably, the axial lower end of the lifting and adjusting rod 42 is connected to the annular guide rail 43. Preferably, a hydraulic translation rod 44 is connected to the moving end of the annular guide rail 43. Preferably, the moving end of the hydraulic translation rod 44 is connected to a deflection adjustment mechanism 45 capable of adjusting the tilt angle of the grinding mechanism 46. The grinding mechanism 46 is provided at the end of the deflection adjustment mechanism 45 away from the hydraulic translation rod 44. Preferably, the lifting and adjusting rod 42 can be an LTR-35-SA type electric lifting column or a TP30 series hydraulic lifting column. The annular guide rail 43 can be a double-rail annular guide rail of model HYD4, which has a strong load capacity and high operational stability. The hydraulic translation rod 44 can be an electro-hydraulic actuator of model TLC-A3. When the conveyor belt 21 moves the coupler cavity shell to directly below the top plate 41, the lifting adjustment rod 42 can drive the annular guide rail 43, the hydraulic translation rod 44, the deflection adjustment mechanism 45, and the grinding mechanism 46 to descend, so that the annular guide rail 43 is wrapped around the outside of the coupler cavity shell. Then, through the cooperation of the lifting adjustment rod 42, the annular guide rail 43, the hydraulic translation rod 44, and the deflection adjustment mechanism 45, the working position of the grinding mechanism 46 and the grinding posture at different positions are adjusted, so that the grinding mechanism 46 can perform comprehensive adaptive grinding treatment on the surface of the coupler cavity shell and effectively remove surface burrs. The lifting and adjusting rod 42 provided in this application can change the height of the grinding mechanism 46 to grind the coupler surface in different height areas; the annular guide rail 43 can drive the grinding mechanism 46 to rotate within a certain range to grind the coupler surface in different directions; the hydraulic translation rod 44 can drive the grinding mechanism 46 to move laterally, thereby adapting to the uneven surface of the coupler and completing the removal of burrs from the concave and convex areas; the deflection adjustment mechanism 45 can drive the grinding mechanism 46 to deflect at an angle, so that the grinding mechanism 46 can adapt to the surface contour of the coupler in an inclined posture to complete the effective grinding process.

[0030] Preferably, the deflection adjustment mechanism 45 includes a vertical plate 451 connected to the hydraulic translation rod 44 and a telescopic adjustment rod 452 hinged to the vertical plate 451. More preferably, the ends of the two telescopic adjustment rods 452 away from the vertical plate 451 are connected to the base 461. Specifically, one telescopic adjustment rod 452 is coaxially connected to the bottom surface of the base 461, and the other telescopic adjustment rod 452 is connected to the base 461 via a rotary connecting shaft 453, thus the two telescopic adjustment rods 452 form a triangular support structure capable of changing the tilt angle of the grinding mechanism 46's axis. Preferably, a grinding drive motor 462 is mounted on the base 461 of the grinding mechanism 46. More preferably, a grinding head 463 is mounted on the moving end of the grinding drive motor 462 away from the base 461. Preferably, the telescopic adjustment rod 452 can be a PDTE5A type high-precision telescopic rod. Preferably, the grinding drive motor 462 can be a high-speed spindle motor, model SycoTec 4015DC-R, suitable for robotic grinding, deburring, and precision metal machining. Preferably, the grinding head 463 can be replaced as needed, and can be a grinding body of various shapes such as cylindrical or conical. The telescopic adjustment rod 452 provided in this application can cooperate with each other to construct triangular support structures with different included angles on the vertical plate 451, thereby changing the tilt angle of the grinding mechanism 46, so as to adaptably grind the irregular surface area of ​​the coupler cavity shell, improve the grinding fit, and improve the grinding effect and quality.

[0031] Preferably, the limiting mounting base 5 includes a base body 51, an insert limiting block 52, an insert airbag 53, and a magnetic pressure plate 54. Preferably, the base body 51 is spaced apart and mounted on the conveyor belt 21. More preferably, the base body 51 is provided with an insert limiting block 52 that can be inserted into a cavity workpiece. Preferably, a receiving cavity communicating with the base body 51 is formed in the insert limiting block 52, and the insert airbag 53 is disposed in the receiving cavity of the insert limiting block 52. Preferably, a magnetic pressure plate 54 is provided at the bottom of the insert airbag 53, which can adjustably move upward to change its shape. More preferably, expansion sub-bags 531 penetrating the insert limiting block 52 are spaced apart around the insert airbag 53. Preferably, a magnetic adjustment plate 55 that can change the working position of the magnetic pressure plate 54 is also provided on the auxiliary support groove plate 25. During processing, the coupler cavity shell is fastened onto the mounting limiting block 52. When the seat 51 moves above the magnetic adjustment plate 55, the magnetic adjustment plate 55, with its repulsive polarity, drives the magnetic pressure plate 54 to rise and push against the mounting airbag 53. This causes the expansion sub-bag 531 of the mounting airbag 53 to expand and abut against the inner wall of the coupler cavity shell in an internal support manner. This limits the relative position of the coupler cavity shell on the mounting limiting block 52 and its internal support-limited state, so that the coupler cavity shell can remain stable and in stable contact with the grinding mechanism 46, so that the grinding mechanism 46 can effectively remove burrs.

[0032] Preferably, the static elimination unit 6 is an ESD-type ion fan or other static elimination device capable of eliminating static electricity. It can generate a downward ion airflow to neutralize the static ions of residual burrs and debris that are statically adhering to the surface of the coupler cavity shell, so that the residual burrs and debris are removed from the coupler cavity shell, thereby effectively improving the surface cleanliness and processing quality of the coupler cavity shell.

[0033] Preferably, the debris cleaning assembly 7 includes a strip-shaped base 71 embedded in the inner side of the isolation housing 3 and a cleaning fan 72 inserted into the strip-shaped base 71. Preferably, the cleaning fan 72 can be a PTF DC exhaust fan. The lateral airflow output by the cleaning fan 72 provided in this application can effectively sweep away burrs and debris on the conveyor belt 21, thereby automatically cleaning the static-neutralized burrs and debris on the limit mounting base 5 and the conveyor belt 21, improving the cleanliness of the mechanism, preventing debris from being carried out of the isolation housing 3, and reducing the amount of cleaning work.

[0034] Preferably, the slag collection tank 8 is provided with a gourd-shaped waist that can prevent the blowing airflow from disturbing the collected debris, so as to effectively prevent the debris from being excessively scattered under the drive of the airflow and improve the storage stability of the collected debris.

[0035] Preferably, the stepper drive motor 24, air blowing unit 33, deburring assembly 4, static elimination unit 6, cleaning exhaust fan 72, and other electrical components involved in this application are all electrically connected to the controller and power supply. The control method of this application is controlled by the controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge in the art. Furthermore, this utility model is only used to protect the mechanical device and its mechanical structural features. Therefore, this utility model will not explain the control method and circuit connection in detail.

[0036] This utility model is not limited to the above-described optional embodiments. Anyone can derive other various forms of products under the guidance of this utility model. However, regardless of any changes in shape or structure, any technical solution falling within the scope of the claims of this utility model is within the protection scope of this utility model. Those skilled in the art should understand that this utility model specification and its drawings are illustrative and do not constitute a limitation on the claims. The protection scope of this utility model is defined by the claims and their equivalents. Throughout the text, features introduced by "preferred" are merely optional and should not be construed as mandatory. Therefore, the applicant reserves the right to abandon or delete relevant preferred features at any time.

Claims

1. An outer surface deburring device for coupler machining, comprising a setting base plate (1) for providing a mounting plane, characterized in that, a transmission assembly (2) for orienting and conveying cavity workpieces is supported on the setting base plate (1), a partition box shell (3) suspending a deburring assembly (4) above the transmission assembly (2) and defining a machining shell cavity; limiting mounting seats (5) capable of clamping cavity workpieces are arranged at intervals on a transmission belt (21) of the transmission assembly (2); an electrostatic elimination unit (6) downstream of the deburring assembly (4) is also suspended on the inner top surface of the partition box shell (3), and a debris cleaning assembly (7) is also installed on the inner side surface of the partition box shell (3), and a slag collecting groove (8) capable of collecting falling debris is also provided on the inner bottom surface of the partition box shell (3).

2. The coupling outer surface burring apparatus of claim 1 wherein, The deburring assembly (4) comprises a top plate (41), a lifting positioning rod (42), an annular guide rail (43), a hydraulic translation rod (44), a deflection adjusting mechanism (45) and a polishing mechanism (46), wherein, the top plate (41) is installed on the inner top surface of the partition box shell (3), and the lifting positioning rod (42) is arranged at intervals on the lower surface of the top plate (41) in a circumferential direction, the axial lower end of the lifting positioning rod (42) is connected with the annular guide rail (43), and the hydraulic translation rod (44) is connected with the moving end of the annular guide rail (43); the moving end of the hydraulic translation rod (44) is connected with the deflection adjusting mechanism (45) capable of adjusting the inclination angle of the polishing mechanism (46).

3. The coupling outer surface burring apparatus of claim 2 wherein, A polishing drive motor (462) is arranged on the machine base (461) of the polishing mechanism (46), and a polishing head (463) is installed on the moving end of the polishing drive motor (462) away from the machine base (461).

4. The coupling outer surface burring apparatus of claim 3 wherein, The deflection adjusting mechanism (45) comprises a vertical plate (451) connected with the hydraulic translation rod (44) and a telescopic adjusting rod (452) hinged with the vertical plate (451), wherein, one end of the telescopic adjusting rod (452) away from the vertical plate (451) is connected with the machine base (461).

5. The coupling outer surface burring apparatus of claim 4 wherein, The transmission belt (21) of the transmission assembly (2) is sleeved on the transmission rollers (22) arranged in position on both sides of the partition box shell (3), and the transmission rollers (22) are supported on the setting base plate (1) by a support frame (23), a stepping drive motor (24) capable of driving the transmission rollers (22) to rotate is also arranged on the support frame (23).

6. The coupling outer surface deburring apparatus of claim 5 wherein, An auxiliary support groove plate (25) connected with the inner side surface of the partition box shell (3) to assist in supporting the transmission belt (21) is also arranged below the conveying plane defined by the transmission belt (21).

7. The coupling outer surface burring apparatus of claim 6 wherein, The limiting mounting seat (5) comprises a seat body (51), an embedded limiting block (52), an embedded air bag (53) and a magnetic pressing plate (54), wherein, The seat body (51) is installed on the transmission belt (21) in a spaced manner, and the seat body (51) is provided with the embedded limiting block (52) capable of being inserted into a cavity workpiece, and the embedded air bag (53) is arranged in the embedded limiting block (52), and the magnetic pressing plate (54) is arranged at the bottom of the embedded air bag (53).

8. The coupling outer surface burring apparatus of claim 7 wherein, The embedded air bag (53) is provided with an expansion auxiliary bag (531) penetrating through the embedded limiting block (52) in a spaced manner; The auxiliary support groove plate (25) is further provided with a magnetic adjusting plate (55) capable of changing the working position of the magnetic pressing plate (54).

9. The coupling outer surface burring apparatus of claim 8 wherein, Two sides of the isolation box shell (3) are oppositely provided with through holes (31) for the transmission belt (21) and the limiting mounting seat (5) to pass through, and the bottom of the isolation box shell (3) is further provided with a supporting column (32).

10. The coupling outer surface deburring apparatus of claim 9, wherein The debris cleaning assembly (7) comprises a strip-shaped seat body (71) embedded on the inner side of the isolation box shell (3) and a cleaning fan (72) inserted on the strip-shaped seat body (71).

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