Spindle adjusting device, spindle assembly and circuit board processing equipment

Abstract

The application belongs to the technical field of mechanical processing, and provides a spindle adjusting device, a spindle assembly and a circuit board processing equipment. The spindle adjusting device is used for adjusting a first spindle to a target position. The spindle adjusting device comprises a fixing seat and a plurality of adjusting assemblies. The fixing seat is used for connecting the first spindle. The plurality of adjusting assemblies are connected to the fixing seat and are arranged around the outer periphery of the first spindle. Each adjusting assembly is configured to automatically adjust the position of the first spindle. The application can improve the work efficiency during the position adjustment of the first spindle and reduce the labor intensity.

Description

Technical Field

[0001] This application relates to the field of machining technology, and in particular to a spindle adjustment device, a spindle assembly, and a circuit board processing equipment. Background Technology

[0002] Circuit board processing equipment refers to equipment that processes and alters the shape, size, or surface quality of blanks or workpieces to transform them into mechanical parts or finished products that meet design requirements. For example, a circuit board drilling machine is a type of circuit board processing equipment that uses a drill bit as its main tool to drill holes in workpieces. Its core function is to use a spindle to drive the drill bit to rotate (main motion) and feed it axially to process holes with specific dimensions and precision on the workpiece.

[0003] Due to assembly errors and prolonged use of circuit board processing equipment, the spindle's position may deviate, leading to reduced processing accuracy. Utility Model Content

[0004] The purpose of this application is to provide a spindle adjustment device, a spindle assembly, and a circuit board processing equipment, aiming to solve the technical problem of low processing accuracy in circuit board processing equipment.

[0005] In a first aspect, this application provides a spindle adjustment device for adjusting a first spindle to a target position. The spindle adjustment device includes: A mounting bracket is used to connect the first spindle; Multiple adjustment components are connected to the fixed base and are arranged around the outer periphery of the first main shaft; Each adjustment component is configured to automatically adjust the position of the first spindle.

[0006] In one embodiment, the adjustment assembly includes an adjustment component and a drive component. The spindle adjustment device further includes a controller, which is communicatively connected to the drive component. The drive component includes a motion output end, which is connected to the adjustment component to drive the adjustment component to move.

[0007] In one embodiment, the driving component includes a deformable component, and the controller is connected to the deformable component, which is capable of deforming to drive the adjusting component to move.

[0008] In one embodiment, the regulating component is a piezoelectric actuator.

[0009] In one embodiment, the first spindle extends along a first direction; the number of adjustment components is even, and the multiple adjustment components are symmetrically arranged about the central axis of the first spindle and respectively arranged on both sides of the first spindle along a second direction, wherein the first direction is perpendicular to the second direction.

[0010] In one embodiment, the spindle adjustment device further includes an air bearing sleeve connected to a fixed base, with an adjustment gap between the fixed base and the air bearing sleeve. The air bearing sleeve is fitted around the outer periphery of the first spindle, and an air film is formed between the air bearing sleeve and the first spindle. Each adjustment component can move towards and away from the air bearing sleeve along the radial direction of the first spindle, so that the adjustment component can abut against or disengage from the air bearing sleeve.

[0011] In one embodiment, the spindle adjustment device further includes a first locking assembly connected to the air bearing sleeve and the fixed base. The first locking assembly is capable of locking or releasing the air bearing sleeve so that the air bearing sleeve can be fixed or moved relative to the fixed base.

[0012] In one embodiment, the first locking assembly includes a first magnetic component and a second magnetic component that can be magnetically connected, the first magnetic component being connected to the air flotation sleeve and the second magnetic component being connected to the fixed base.

[0013] Secondly, this application provides a spindle assembly, which includes a base plate, a first spindle, and a spindle adjustment device as described in any of the above claims, wherein the spindle adjustment device and the first spindle are both disposed on the base plate.

[0014] Thirdly, this application provides a circuit board processing equipment, which includes a worktable, a cutting tool, and a spindle assembly as described above. The worktable is used to support the circuit board, and the cutting tool is connected to the processing end of the first spindle. The first spindle is capable of driving the cutting tool to move in order to process the circuit board supported on the worktable.

[0015] In one embodiment, the circuit board processing equipment further includes a position detection component disposed on the worktable. The position detection component is used to detect the position information of the first spindle or the tool, and the controller is communicatively connected to the position detection component.

[0016] In one embodiment, the position detection component includes a first position detection unit and a second position detection unit, both disposed on the worktable. The first position detection unit is arranged along a third direction, and the second position detection unit is arranged along a second direction, which is perpendicular to the second direction.

[0017] In one embodiment, the circuit board processing equipment includes a plurality of first spindles, each of which is equipped with a spindle adjustment device.

[0018] In one embodiment, the circuit board processing equipment further includes a second spindle connected to a base plate. The first spindle and the second spindle are spaced apart and are used to process the same circuit board. The spindle adjustment device can adjust the relative position between the first spindle and the second spindle.

[0019] The beneficial effects of the spindle adjustment device, spindle assembly, and circuit board processing equipment of this application are that each adjustment component is configured to automatically adjust the position of the first spindle, and multiple adjustment components can act on the first spindle to drive the first spindle to move, thereby driving the first spindle from the deviation position to the target position, realizing the automation of the adjustment of the position of the first spindle, which is conducive to improving the processing accuracy. In addition, it replaces the manual tightening of set screws, thereby improving work efficiency and reducing labor intensity. The use of automated adjustment is also conducive to reducing human error and improving the accuracy of adjustment.

[0020] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the following are specific embodiments of this application. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the description of the embodiments of this application or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 A schematic diagram of the structure of a first spindle connected to a spindle adjustment device (i.e., a spindle assembly) provided for some embodiments of this application. Figure 1 ; Figure 2 A schematic diagram of the structure of a first spindle connected to a spindle adjustment device (i.e., a spindle assembly) provided for some embodiments of this application. Figure 2 ; Figure 3 A radial sectional view of a first spindle connected to a spindle adjustment device (i.e., a spindle assembly) provided for some embodiments of this application; Figure 4 This is a schematic diagram of the structure of the adjustment component in the spindle adjustment device provided in some embodiments of this application; Figure 5 A schematic diagram of the structure of the first locking assembly in the spindle adjustment device provided in some embodiments of this application; Figure 6 This is a schematic diagram of the structure of a circuit board processing equipment provided in some embodiments of this application; Figure 7 This is a schematic diagram of the arrangement structure of the position detection component in the circuit board processing equipment provided in some embodiments of this application.

[0023] Explanation of reference numerals in the attached figures: 1000 Circuit board processing equipment; 1100 First spindle; 1110 Second spindle; 1200 Fixed base; 1300 Spindle adjustment device; 1310 Adjustment assembly; 1311 Adjustment component; 1312 Adjustment seat; 1313 Push rod; 1314 Flat-head terminal; 1315 Deformable component; 1316 Power cord; 1320 Hanging rod assembly; 1330 Air float sleeve; 1340 First locking assembly; 1341 First magnetic attraction component; 1342 Permanent magnet; 1343 Induction coil; 1344 Second magnetic attraction component; 1350 Second locking assembly; 1400 Position detection assembly; 1410 First position detection unit; 1420 Second position detection unit; 1500 Worktable; 1600 Base plate. Detailed Implementation

[0024] The embodiments of the technical solution of this application will now be described in detail with reference to the accompanying drawings. These embodiments are only used to more clearly illustrate the technical solution of this application, and are therefore merely examples and should not be used to limit the scope of protection of this application.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0026] In the description of the embodiments of this application, technical terms such as "first" and "second" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0027] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0028] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0029] In the description of the embodiments of this application, the term "multiple" refers to two or more (including two), similarly, "multiple sets" refers to two or more (including two sets), and "multiple pieces" refers to two or more (including two pieces).

[0030] In the description of the embodiments of this application, the technical terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, 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 embodiments of this application.

[0031] In the description of the embodiments of this application, unless otherwise expressly specified and limited, technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0032] Circuit board processing equipment refers to equipment that processes and alters the shape, size, or surface quality of blanks or workpieces to transform them into mechanical parts or finished products that meet design requirements. For example, a circuit board drilling machine is a type of circuit board processing equipment that uses a drill bit (tool) as its main tool to drill and enlarge holes in workpieces. Its core function is to use a spindle to drive the drill bit to rotate (main motion) and feed it axially, thus machining holes with specific dimensions and precision on the workpiece. Circuit board processing equipment can also include forming machines, drilling and milling machines, etc., but this case does not limit the scope.

[0033] Over time, the spindle position of PCB processing equipment can deviate, causing processing errors to exceed acceptable limits and affecting product yield. Position deviation, in mechanical manufacturing, refers to the amount of deviation between the center (or axis, center plane) of an actual feature (such as a hole, shaft, plane, groove, etc.) of a workpiece and its theoretically correct position as specified in the design. It is a core indicator for measuring whether position tolerance is acceptable. Simply put, it is the difference between the "actual position" and the "ideal position."

[0034] In related technologies, the position of the drill shaft is corrected by setting a set screw and manually turning the set screw, which is labor-intensive and inefficient.

[0035] Therefore, this application provides a spindle adjustment device, which sets multiple adjustment components to automatically adjust the position of the first spindle. Among the multiple adjustment components, at least some or all of the adjustment components can act on the first spindle to push the first spindle to move, thereby driving the first spindle to move to the target position. This device has a higher degree of mechanization and automation, replaces the manual tightening of set screws, and thus improves work efficiency and reduces labor intensity.

[0036] Specifically, refer to Figure 1 and Figure 2 As shown, this application embodiment provides a spindle adjustment device 1300 for adjusting a first spindle 1100 to a target position. The spindle adjustment device 1300 includes a fixed base 1200 and a plurality of adjustment components 1310. The fixed base 1200 is used to connect the first spindle 1100. The plurality of adjustment components 1310 are all connected to the fixed base 1200 and are arranged around the outer periphery of the first spindle 1100. Each adjustment component 1310 is configured to automatically adjust the position of the first spindle 1100.

[0037] It should be noted that this spindle adjustment device 1300 can be applied to various circuit board processing equipment 1000, such as drilling machines, forming machines, or drilling and milling machines.

[0038] For ease of explanation, the following embodiments will be described using the example of a first spindle 1100 connected to a drilling tool (such as a drill bit) in a spindle adjustment device 1300 according to an embodiment of this application. Therefore, the circuit board processing equipment 1000 in this embodiment will be described using a drilling machine as an example, but it can also be described using a dual-axis drilling machine as an example.

[0039] Specifically, the first spindle 1100 is a motion axis in the PCB processing equipment 1000 used to connect and drive the cutting tool. The first spindle 1100 can be understood as the main motion axis used by the PCB processing equipment 1000 for processing workpieces. The processing end (also called the front end or motion output end) of the first spindle 1100 is used to mount the cutting tool (such as a drill bit), and the other end of the first spindle 1100 opposite to the processing end (also called the rear end) is connected to a power input component; for example, the other end of the first spindle 1100 is used to connect to a drive motor.

[0040] The fixed base 1200 is used to connect and support the first spindle 1100. The fixed base 1200 can be made of cast iron or aluminum alloy, etc. The fixed base 1200 can be fixed to the bed of the circuit board processing equipment 1000 by bolts or welding. The first spindle 1100 can rotate around its own axis on the fixed base 1200.

[0041] The adjustment component 1310 can act on the first spindle 1100, thereby enabling the first spindle 1100 to move (or move) from the deviation position (i.e., the position degree has deviated) to the target position (i.e., the position degree meets the requirements). For example, the adjustment component 1310 can act directly on the first spindle 1100, or the adjustment component 1310 can act indirectly on the first spindle 1100 through the air flotation sleeve 1330 described below.

[0042] Specifically, the adjustment component 1310 is movable and acts on the first spindle 1100, thereby moving the first spindle 1100 to the target position; wherein, the movement of the adjustment component 1310 may refer to the movement of a part of the structure or component in the adjustment component 1310, or the movement of the adjustment component 1310 may refer to the overall movement of the adjustment component 1310.

[0043] Multiple adjustment components 1310 are provided, and these components are spaced apart and arranged in a ring around the axis (or central axis) of the first main shaft 1100 in the circumferential direction. It can be seen that the multiple adjustment components 1310 work together, with each component extending or retracting radially along the first main shaft 1100, pushing the first main shaft 1100 to move or slightly displace on the fixed base 1200. This allows the first main shaft 1100 to move radially from a deviation position to a target position.

[0044] For example, refer to Figure 2As shown, there are four adjustment components 1310, which are evenly distributed around the first main shaft 1100. For example, each adjustment component 1310 has a push rod 1313 inside it, and the moving direction of the push rod 1313 coincides with the radial direction of the first main shaft 1100. Based on the position deviation data of the first main shaft 1100, at least some or all of the four push rods 1313 are coordinated to move the first main shaft 1100 from the deviation position to the target position.

[0045] Each adjustment component 1310 is configured to automatically adjust the position of the first spindle 1100. The adjustment component 1310 has a control part or is communicatively connected to a component with a control function, thereby enabling the adjustment component 1310 to move.

[0046] The working process of this spindle adjustment device 1300 is as follows: When a positional deviation of the first spindle 1100 is detected (the positional deviation exceeds a preset range), the spindle adjustment device 1300 needs to be activated to move the adjustment component 1310. Multiple adjustment components 1310 move in coordination, with at least some or all of them acting directly or indirectly on the first spindle 1100, causing the first spindle 1100 to move relative to the fixed base 1200. This allows the first spindle 1100 to move to the target position that meets the positional requirements, completing the adjustment of the position of the first spindle 1100. After adjustment, the adjustment component 1310 can disengage from the first spindle 1100 and move back to its initial position, or it can remain extended.

[0047] It should be noted that there are several ways to detect a positional deviation in the first spindle 1100. One method is to detect the deviation manually, and another is to detect it using a detection device. Furthermore, the spindle adjustment device 1300 can be started manually or automatically based on detected information (or a detection signal or a deviation signal). For example, the detection device transmits a deviation signal to the spindle adjustment device 1300. After determining that the positional deviation exceeds a preset range, the spindle adjustment device 1300 sends a control signal, thereby activating the adjustment component 1310.

[0048] In this embodiment, each adjustment component 1310 (e.g., moving towards and away from the first spindle 1100 radially) moves, and multiple adjustment components 1310 can act on the first spindle 1100 to push the first spindle 1100 to move, thereby driving the first spindle 1100 from the deviation position to the target position, realizing the automation of the position adjustment of the first spindle 1100, so as to improve the machining accuracy of the first spindle 1100; in addition, it replaces the manual tightening of set screws, thereby improving work efficiency and reducing labor intensity; the use of automated adjustment is also conducive to improving the adjustment accuracy.

[0049] In some embodiments, refer to Figure 2 and Figure 3 As shown, the adjustment assembly 1310 includes an adjustment component 1311 and a drive component (not shown in the figure). The spindle adjustment device 1300 also includes a controller, which is communicatively connected to the drive component. The drive component includes a motion output end, which is connected to the adjustment component 1311 to drive the adjustment component 1311 to move.

[0050] The controller enables the adjustment component 1310 to move, and the adjustment component 1310 acts on the first spindle 1100, thereby moving the first spindle 1100 to the target position. The movement of the adjustment component 1310 may refer to the movement of a part of the structure or component in the adjustment component 1310, or the movement of the adjustment component 1310 may refer to the overall movement of the adjustment component 1310.

[0051] In one embodiment, the controller is connected to the fixed base 1200 and communicatively connected to each adjustment component 1310. The controller can control the movement of each adjustment component 1310 to drive the first spindle 1100 to the target position.

[0052] The controller is connected to the regulating component 1310, thereby enabling the regulating component 1310 to move. The controller can provide power for the movement of the regulating component 1310, and can also provide control signals to the regulating component 1310 to control its movement. The controller can be a drive motor, a PLC controller, or a drive circuit, etc.

[0053] The working process of this spindle adjustment device 1300 is as follows: When a positional deviation of the first spindle 1100 is detected (the positional deviation exceeds a preset range), the controller in the spindle adjustment device 1300 needs to be activated. The controller causes the adjustment component 1310 to move. Multiple adjustment components 1310 move in coordination, and at least some or all of the adjustment components 1310 act directly or indirectly on the first spindle 1100, causing the first spindle 1100 to move relative to the fixed seat 1200. This allows the first spindle 1100 to move to the target position that meets the positional requirements, thus completing the adjustment of the position of the first spindle 1100. After the adjustment is completed, the adjustment component 1310 can disengage from the first spindle 1100 and move back to its initial position, or it can remain in the extended state.

[0054] Specifically, the drive component includes a motion output terminal (not shown in the figure), which is connected to the adjustment component 1311 to drive the adjustment component 1311 to move. The controller communicates with the drive component via wired or wireless means, thereby driving the drive component to work.

[0055] Specifically, the motion output end refers to the power output end capable of movement or activity. This motion output end is connected to the adjusting component 1311 via mechanical movement, thereby driving the adjusting component 1311 to move mechanically. The motion of this motion output end may include linear motion, rotary motion, or other forms of mechanical action. For example, the driving component may be a hydraulic mechanism.

[0056] For example, the motion output end is the output shaft of the drive component that reciprocates along a straight line. The reciprocating direction of the output shaft can be along the radial direction of the first main shaft 1100. The output shaft is connected to the adjustment component 1311, thereby driving the adjustment component 1311 to reciprocate.

[0057] Each adjustment assembly 1310 includes a movable adjustment component 1311. The adjustment component 1311 is a movable or removable part of the adjustment assembly 1310. Multiple adjustment assemblies 1310 are spaced around the axis of the first main shaft 1100 in the circumferential direction. The movement direction of each adjustment component 1311 is along the radial direction of the first main shaft 1100. That is, the adjustment component 1311 can move along the radial direction of the first main shaft 1100 toward or away from the first main shaft 1100. During the process of the adjustment component 1311 approaching the first main shaft 1100, the adjustment component 1311 can act directly or indirectly on the first main shaft 1100, thereby achieving the effect of pushing the first main shaft 1100 to move, and thus moving the first main shaft 1100 to the target position.

[0058] In this embodiment, the controller controls the operation of the drive component, and the drive component drives the adjustment component 1311 to move through mechanical motion by setting a motion output terminal, which makes the structural design simpler and more reliable.

[0059] In some embodiments, refer to Figure 2-4 As shown, the driving component includes a deformable component 1315, and the controller is connected to the deformable component 1315. The deformable component 1315 can deform to drive the adjusting component 1311 to move.

[0060] The driving component includes a deformable component 1315. The controller is connected to the deformable component 1315 to enable the deformable component 1315 to deform. The deformable component 1315 is also connected to an adjusting component 1311. The deformable component 1315 acts on the adjusting component 1311, thereby causing the adjusting component 1311 to move. This drives the adjusting component 1311 to move radially toward and away from the first main shaft 1100. Multiple adjusting components 1311 work together, and each of them can act on the first main shaft 1100 to push the first main shaft 1100 to move (specifically, the adjusting component 1311 extends or retracts radially along the first main shaft 1100). This drives the first main shaft 1100 to move to the target position, resulting in a higher degree of automation. This replaces the manual tightening of set screws, thereby improving work efficiency and reducing labor intensity.

[0061] In one feasible embodiment, the deformable component 1315 is a component that deforms upon application of electricity. This deformation can be a stretching deformation; for example, the deformable component 1315 can be a sheet-like structure made of a piezoelectric material, such as a piezoelectric ceramic sheet. In its initial position, the deformable component 1315 can abut against the adjusting component 1311. After the deformable component 1315 is energized, it deforms, thereby pushing the adjusting component 1311 to move.

[0062] The controller has a power output terminal (not shown in the figure) for outputting current. The deformable component 1315 is connected to the adjusting component 1311, and the power output terminal is connected to the deformable component 1315, enabling the deformable component 1315 to deform and drive the adjusting component 1311 to move. For example, the controller includes a power supply component or a drive circuit, which is connected to the deformable component 1315 via a power transmission line. It is evident that the controller and the adjusting component 1311 communicate through a piezoelectric effect, allowing the adjusting component 1311 to move, achieving fine-tuning and improving the adjustment accuracy of the device.

[0063] Regarding the structural composition of the adjustment component 1310, combined with Figure 4As shown, the adjustment assembly 1310 may further include an adjustment seat 1312, and the adjustment component 1311 is slidably connected to the adjustment seat 1312. A sliding rail may be provided on the adjustment seat 1312, extending radially along the first main shaft 1100. Thus, the adjustment component 1311 is connected to the sliding rail and can move closer to or further away from the first main shaft 1100 radially. The adjustment seat 1312 may be connected to the fixed seat 1200, or it may be connected to the body of the circuit board processing equipment 1000.

[0064] In this embodiment, a deformable component 1315 is provided. The first spindle 1100 is driven to move by the deformation drive adjustment component 1311 of the deformable component 1315. The degree of mechanization and automation is high, which can achieve the purpose of fine adjustment and improve the adjustment accuracy of the device.

[0065] In some embodiments, refer to Figure 2-4 As shown, the adjustment component 1310 is an actuator.

[0066] Specifically, an actuator is a device that converts various forms of energy (such as electrical energy, hydraulic energy, pneumatic energy, and thermal energy) into mechanical motion. Its core function is to receive control signals or energy inputs to generate linear motion, rotational motion, or other forms of mechanical action, thereby driving an external load (such as mechanical components or structural parts) to achieve a predetermined displacement, force, or torque output. The adjusting component 1311 is the movable part of the actuator capable of linear motion, rotational motion, or other forms of mechanical action.

[0067] The actuator may include an energy input module, an energy conversion module, and a motion output module. The energy input module receives external energy (such as electricity, hydraulic oil, compressed air, etc.) and is the power source for the actuator's operation. The energy conversion module converts the input energy into the core component of mechanical motion (for example, a motor converts electrical energy into rotational motion through electromagnetic induction, and piezoelectric ceramics convert electrical energy into minute extensional motion through the inverse piezoelectric effect). The motion output module transmits the converted mechanical motion to the load; this motion output module is the adjusting component 1311 in this application. The adjusting component 1311 is typically implemented in the form of a push rod 1313, gear, piston, etc.

[0068] The actuator may also include a control interface, which is used to receive control signals (such as voltage, current, pulse signals, etc.) from the controller and adjust parameters such as the amplitude, speed, and direction of the action.

[0069] Actuators can take many forms, such as electric actuators, hydraulic actuators, pneumatic actuators, thermal actuators, shape memory alloy actuators, etc.

[0070] In the circuit board processing equipment 1000 (such as the spindle adjustment device 1300 in the example above), the core function of the actuator is to achieve precision driving and positioning. For example, by using multiple actuators arranged circumferentially around the first spindle 1100, the position can be precisely adjusted radially along the first spindle 1100, and the positional deviation of the first spindle 1100 can be corrected in real time, thereby ensuring the processing accuracy of the circuit board processing equipment 1000 (such as the positional control of the dual axes in a dual-axis drilling machine).

[0071] In this embodiment, compared with traditional manual adjustment (such as set screw), the actuator can significantly improve adjustment efficiency, reduce labor intensity, and improve adjustment accuracy.

[0072] In some embodiments, the actuator is a piezoelectric actuator.

[0073] Specifically, a piezoelectric actuator is a type of electric actuator that uses electrical energy as its power source and achieves motion through a motor (such as a servo motor or stepper motor), piezoelectric material, electromagnetic coil, etc.

[0074] Piezoelectric actuators utilize the inverse piezoelectric effect of piezoelectric materials to produce minute and precise stretching and deformation under the action of an electric field, making them suitable for high-precision positioning scenarios (such as fine-tuning of the first spindle 1100).

[0075] For example, the piezoelectric actuator is specifically a piezoelectric ceramic actuator, which includes an adjusting base 1312, a deformable component 1315 (e.g., a piezoelectric ceramic sheet), a power line 1316, and an adjusting component 1311. A sliding channel is formed on the adjusting base 1312. The adjusting component 1311 can be a push rod 1313, which is slidably disposed within the sliding channel. A flat-head terminal 1314 can be connected to the end of the push rod 1313, which can directly or indirectly act on the first spindle 1100. The piezoelectric ceramic sheet is connected to the push rod 1313. When energized, the piezoelectric ceramic sheet deforms, thereby pushing the push rod 1313 to move relative to the adjusting base 1312. A drive circuit (or power supply) can be provided in the controller. The drive circuit is connected to the piezoelectric ceramic sheet via the power line 1316. When energized, the piezoelectric ceramic sheet deforms, thereby pushing the push rod 1313 to move, which in turn pushes the first spindle 1100 to move.

[0076] In this embodiment, by employing a piezoelectric actuator, the adjustment accuracy can be further improved.

[0077] In some embodiments, refer to Figure 1 , Figure 2 and Figure 3As shown, the first spindle 1100 extends along the first direction Z; the number of adjustment components 1310 is even, and the multiple adjustment components 1310 are symmetrically arranged about the central axis of the first spindle 1100 and arranged on both sides of the first spindle 1100 along the second direction X, with the first direction Z being perpendicular to the second direction X.

[0078] Specifically, the number of adjustment components 1310 is even, that is, the number of adjustment parts 1311 is even. For example, the number of adjustment components 1310 is 2, 4, 6, etc.

[0079] The first direction Z is the extension direction of the first main shaft 1100, that is, the direction of the central axis (or simply the central axis) of the first main shaft 1100 is parallel to the first direction Z. The second direction X is perpendicular to the first direction Z. Therefore, it can be understood that when the first direction Z is the axial direction of the first main shaft 1100, the second direction X is the radial direction of the first main shaft 1100. Since multiple adjustment components 1310 are arranged in a ring around the first main shaft 1100, they can be arranged symmetrically about the central axis of the first main shaft 1100. For example, there are four adjustment components 1310, with two adjustment components 1310 symmetrically arranged on each side of the central axis of the first main shaft 1100. This allows the adjustment component 1311 to exert a more uniform force on the first main shaft 1100, which is beneficial to improving the stability and accuracy of the adjustment of the first main shaft 1100 by the adjustment component 1311.

[0080] In this embodiment, multiple adjustment components 1310 are symmetrically arranged so that the adjustment force of the adjustment component 1311 is evenly applied to the first spindle 1100. This helps to reduce the problem of the first spindle 1100 tilting or bending due to unilateral force, and improves the straightness and stability of the adjustment component 1311 in adjusting the position of the first spindle 1100.

[0081] In some embodiments, refer to Figure 3 As shown, the spindle adjustment device 1300 also includes an air bearing sleeve 1330 connected to the fixed base 1200. An adjustment gap exists between the fixed base 1200 and the air bearing sleeve 1330. The air bearing sleeve 1330 is fitted onto the first spindle 1100, and an air film is formed between the air bearing sleeve 1330 and the first spindle 1100. Each adjustment component 1310 can move radially towards and away from the air bearing sleeve 1330 along the first spindle 1100, allowing the adjustment component 1310 to abut or disengage from the air bearing sleeve 1330. The air bearing sleeve 1330 can move together with the first spindle 1100.

[0082] Specifically, the air flotation sleeve 1330 is sleeved on the outside of the first main shaft 1100. A preset gap is formed between the inner wall of the air flotation sleeve 1330 and the outer surface of the first main shaft 1100. Compressed air can be introduced into the gap through the air passage interface, thereby forming an air film in the gap. The air film can reduce the friction or resistance between the first main shaft 1100 and the air flotation sleeve 1330.

[0083] The working principle of the air flotation sleeve 1330 is that compressed gas (usually clean air) is introduced into the gap between the air flotation sleeve 1330 and the first main shaft 1100 to form a uniform air film. The air film completely separates the first main shaft 1100 from the air flotation sleeve 1330, achieving non-contact support.

[0084] Compared to traditional mechanical bearings (such as ball bearings) or liquid-lubricated bearings, the air float sleeve 1330 reduces direct metal-to-metal contact, reduces friction and wear, and helps extend the service life of the first spindle 1100. The air film of the air float sleeve 1330 has self-aligning capability. When the first spindle 1100 experiences a slight misalignment due to load or vibration, the pressure of the air film will automatically adjust (the pressure increases where the gap narrows, pushing the first spindle 1100 back), ensuring that the first spindle 1100 always remains at the ideal rotation center.

[0085] The air film has certain elasticity and damping characteristics, which can absorb the small vibrations generated during the rotation of the first main shaft 1100, while reducing high-frequency noise caused by mechanical contact.

[0086] In this embodiment, the air flotation sleeve 1330 improves the support stability of the first spindle 1100 through the characteristics of gas support, and helps to reduce the friction between it and the first spindle 1100.

[0087] In some embodiments, refer to Figure 1 As shown, the spindle adjustment device 1300 also includes a first locking assembly 1340, which is used to limit the first spindle 1100 to the target position.

[0088] For example, when the controller drives the adjustment component 1311 to move, the adjustment component 1311 abuts against the first spindle 1100, thereby pushing the first spindle 1100 to move from the offset position to the target position. In order to keep the first spindle 1100 in the target position, the first locking component 1340 is provided, thereby limiting the first spindle 1100 to the target position.

[0089] The first locking assembly 1340 may adopt a mechanical connection structure such as bolt locking, snap locking, or locking pin insertion. Alternatively, the first locking assembly 1340 may also use magnetic or electromagnetic methods to limit the first spindle 1100.

[0090] After the first locking assembly 1340 limits the first spindle 1100 to the target position, the controller can disengage the adjusting component 1311 from the first spindle 1100, thereby reducing the abutting force of the adjusting component 1311 on the first spindle 1100 and protecting the first spindle 1100. In addition, when the first spindle 1100 vibrates, it also reduces the destructive force generated by the abutting of the adjusting component 1311 on the first spindle 1100.

[0091] In this embodiment, by providing the first locking assembly 1340, the first spindle 1100 can be limited and held in the target position.

[0092] In some embodiments, refer to Figure 1 and Figure 3 As shown, the spindle adjustment device 1300 also includes a first locking assembly 1340, which is connected to the air bearing sleeve 1330 and the fixed seat 1200. The first locking assembly 1340 can lock or release the air bearing sleeve 1330 so that the air bearing sleeve 1330 can be fixed or moved relative to the fixed seat 1200.

[0093] Specifically, since the first spindle 1100 is connected to the air bearing sleeve 1330, the first locking assembly 1340 can be directly connected to the air bearing sleeve 1330, so that the first locking assembly 1340 can lock or release the air bearing sleeve 1330, thereby enabling the first locking assembly 1340 to fix the air bearing sleeve 1330 to the fixed seat 1200, or to disengage the air bearing sleeve 1330 from the fixed seat 1200.

[0094] The first locking assembly 1340 may adopt a mechanical connection structure such as bolt locking, snap locking, or locking pin insertion, or the first locking assembly 1340 may also use magnetic or electromagnetic methods to limit the first spindle 1100.

[0095] In this embodiment, by providing the first locking assembly 1340, the air flotation sleeve 1330 can be locked and released, thereby limiting and holding the first spindle 1100 in the target position.

[0096] In some embodiments, refer to Figure 1 and Figure 5 As shown, the first locking assembly 1340 includes a first magnetic component 1341 and a second magnetic component 1344 that can be magnetically connected. The first magnetic component 1341 is connected to the fixed base 1200, and the second magnetic component 1344 is connected to the air flotation sleeve 1330.

[0097] Specifically, the second magnetic attraction component 1344 can be an armature, which can be a metal component or a magnetic ring. The air-bearing sleeve 1330 has a surface facing the fixed base 1200, and the armature can be fixedly mounted on this surface. The first magnetic attraction component 1341 can be an electromagnetic chuck. The first magnetic attraction component 1341 can generate magnetic attraction force and can attract the second magnetic attraction component 1344, thereby limiting the air-bearing sleeve 1330 and the first spindle 1100, thus achieving the purpose of locking the air-bearing sleeve 1330 through magnetic attraction.

[0098] For example, the first locking assembly 1340 adopts pulsed current control, which controls the magnetic attraction force of the first magnetic attraction component 1341 through current control, thereby achieving the effect of adjusting the magnetic attraction force.

[0099] During the magnetic attraction process, the first magnetic attraction component 1341 and the second magnetic attraction component 1344 need to be unlocked. However, the first magnetic attraction component 1341 still needs to have a low magnetic attraction force on the air suspension sleeve 1330, for example, the magnetic attraction force ≤10N, to allow the air suspension sleeve 1330 to be freely fine-tuned. After the first spindle 1100 reaches the target position, the first magnetic attraction component 1341 attracts the second magnetic attraction component 1344, locking the air suspension sleeve 1330 and the first spindle 1100 on the fixed seat 1200.

[0100] Specifically, in one implementation, refer to Figure 5 As shown, the first magnetic attraction component 1341 includes a permanent magnet 1342 and an induction coil 1343 sleeved on the permanent magnet 1342. The permanent magnet 1342 generates a magnetic attraction force on the air buoyancy sleeve 1330. By energizing or de-energizing the induction coil 1343, the magnetic attraction force of the permanent magnet 1342 can be adjusted, thereby achieving the function of locking and releasing the air buoyancy sleeve 1330. For example, in the locked state: when the power is off, the permanent magnet 1342 attracts the armature (i.e., the second magnetic attraction component 1344) on the air buoyancy sleeve 1330 to fit tightly, applying a high locking force (≥500N), replacing the mechanical fixing method of screws used in related technologies; in the released state: when the power is on, the induction coil 1343 generates a reverse magnetic induction, the magnet separates from the armature, the locking force is released (residual force ≤10N), allowing the air buoyancy sleeve 1330 to be freely fine-tuned. It should be noted that when energized, the permanent magnet 1342 may still have a small magnetic attraction force, which can be understood as a residual force that plays a role in stabilizing the air flotation sleeve 1330.

[0101] In this embodiment, the air flotation sleeve 1330 and the first main shaft 1100 are limited by magnetic attraction. The limiting structure is simple, the limiting is more stable, and the adjustment is more flexible.

[0102] In some embodiments, refer to Figure 1As shown, the spindle adjustment device 1300 also includes a boom assembly 1320, which is connected to the first spindle 1100.

[0103] Considering that the first spindle 1100 of the drilling machine needs to drive the drill bit (or other tools) to rotate and apply axial feed force during operation, and the first spindle 1100 of some large drilling machines is quite heavy, the hanger rod, by connecting to the first spindle 1100, can provide additional support from above or the side, balance the weight of the first spindle 1100 and the tool, reduce the sagging or deformation of the first spindle 1100 due to its own weight, and reduce the impact on machining accuracy (such as drilling perpendicularity deviation).

[0104] Specifically, the boom assembly 1320 is used to connect to the first spindle 1100 and to provide load-bearing and support for the first spindle 1100. Generally, the boom assembly 1320 is connected to one end of the first spindle 1100. When disassembling the first spindle 1100, the boom can reduce the load on the operator by hoisting or supporting it, thereby reducing the probability of installation deviations or safety risks caused by excessive weight of the first spindle 1100.

[0105] In some embodiments, refer to Figure 1 As shown, the spindle adjustment device 1300 also includes a second locking assembly 1350, which is connected between the boom assembly 1320 and the first spindle 1100 and serves to limit the position of the first spindle 1100.

[0106] Before adjusting the relative position of the first spindle 1100, the connection between the first spindle 1100, the boom assembly 1320, and the air bearing sleeve 1330 is fixed. The second locking assembly 1350 can fix the boom assembly 1320 and the first spindle 1100 together. When it is necessary to adjust the position of the first spindle 1100, the second locking assembly 1350 will unlock the boom assembly 1320 and the first spindle 1100. In addition, the first locking assembly 1340 will unlock the limit on the first spindle 1100 (or the air bearing sleeve 1330), so that the first spindle 1100 can be adjusted forward, backward, left, and right by adjusting the assembly 1310. After the adjustment is completed, the second locking assembly 1350 will lock the boom assembly 1320 and the first spindle 1100 again, thereby limiting the position of the first spindle 1100. The second locking assembly 1350 can also be fixed by magnetic attraction.

[0107] It should be noted that during the adjustment of the first spindle 1100 by the adjusting assembly 1310, the second locking assembly 1350 can maintain a small locking force between the boom assembly 1320 and the first spindle 1100. This locking force can be a magnetic attraction force, and it is low, for example, less than or equal to 10N. During the adjustment process, if the second locking assembly 1350 is completely released, the first spindle 1100 may experience a slight displacement due to external vibration, mechanical inertia, or airflow disturbance, leading to adjustment or calibration failure. The low magnetic attraction force or locking force provides a basic constraint, which helps to reduce uncontrolled displacement of the first spindle 1100 without hindering the adjustment work of the adjusting assembly 1310.

[0108] In this embodiment, by setting up the hanger assembly 1320, the first spindle 1100 is supported, balanced and constrained. By stabilizing the motion posture of the first spindle 1100 and transmitting necessary forces or signals, it is beneficial to ensure machining accuracy and equipment maintenance convenience.

[0109] According to some embodiments of this application, the spindle assembly includes a base plate 1600, a first spindle 1100, and a spindle adjustment device 1300 in the above embodiments. Both the spindle adjustment device 1300 and the first spindle 1100 are disposed on the base plate 1600.

[0110] The base plate 1600 serves to integrate and support the spindle adjustment device 1300 and the first spindle 1100, making the base plate 1600, the first spindle 1100 and the aforementioned spindle adjustment device 1300 form a whole, so as to facilitate the overall installation, disassembly or transportation, and improve the convenience of assembly.

[0111] According to some embodiments of this application, refer to Figure 6 and Figure 7 As shown, this application also provides a circuit board processing equipment 1000, which includes a worktable 1500, a cutting tool, and a spindle assembly in any of the above embodiments. The worktable 1500 is used to support the circuit board, and the cutting tool is connected to the processing end of the first spindle 1100. The first spindle 1100 can drive the cutting tool to move to process the circuit board supported on the worktable 1500.

[0112] Specifically, one form of circuit board is a PCB (Printed Circuit Board). A PCB is a plate-shaped component with conductive lines and pads printed on its surface, based on an insulating substrate. The PCB processing equipment 1000 is capable of processing PCBs, such as drilling holes in them.

[0113] The worktable 1500 is used to support the circuit board, and the circuit board can be positioned on the worktable 1500 so that the cutting tool can process the circuit board on the worktable 1500.

[0114] In the above example, taking the first spindle 1100 as a drill spindle as an example, the circuit board processing equipment 1000 can be understood as a drilling machine. However, depending on the different tools connected to the first spindle 1100, for example, the tools may include turning tools, milling tools, drilling tools, boring tools, grinding tools, gear processing tools, etc., it can be seen that the circuit board processing equipment 1000 can be any one of the circuit board processing equipment 1000 such as lathe, milling machine, drilling machine, lathe, grinding machine, and planer.

[0115] The machining end of the first spindle 1100 can be understood as the motion output end of the first spindle 1100. This machining end is used to connect the tool, so that when the first spindle 1100 is working, the tool can perform movements such as moving or rotating.

[0116] The example of the circuit board processing equipment 1000 in this application is based on the example of the spindle adjustment device 1300 described above. The example of the circuit board processing equipment 1000 includes all the technical effects of the example of the spindle adjustment device 1300 described above, and will not be repeated here.

[0117] In some embodiments, refer to Figure 7 As shown, the circuit board processing equipment 1000 also includes a position detection component 1400 disposed on the worktable 1500. The position detection component 1400 is used to detect the position information of the first spindle 1100 or the tool.

[0118] Because the position of the first spindle 1100 is deviated, the processing accuracy of the circuit board processing equipment 1000 is affected. For example, for a drilling machine, the position of the first spindle 1100 is deviated, causing the position information (such as straightness, coaxiality, deviation angle, etc.) of the hole drilled by the drill bit on the workpiece to be deviated.

[0119] Therefore, a position detection component 1400 was added. The position detection component 1400 is used to detect the position information of the first spindle 1100. However, in actual applications, since the tool is connected to the machining end of the first spindle 1100, it is more convenient to detect the position deviation information of the tool. Therefore, the position detection component 1400 can be used to directly detect the position information of the tool.

[0120] The position detection component 1400 can use a position sensor for detection. For example, the position detection component 1400 can use a tool detector, also known as a tool measuring device. The tool detector measures the tool diameter by detecting the displacement distance of a grating ruler. Typically, PCB processing equipment 1000 is equipped with a tool detector, and the tool detector already available on the PCB processing equipment 1000 can be used for detection. The diameter of the tool should be as small as possible to reduce the large error caused by the chip removal grooves on the tool.

[0121] The position detection component 1400 can communicate with the spindle adjustment device 1300, enabling the adjustment component 1310 to move according to the acquired position information. For example, the position detection component 1400 can communicate with a controller, which can be considered the control center of the circuit board processing equipment 1000. The controller is connected to the position detection component 1400, and the position detection component 1400 can transmit the acquired position information of the first spindle 1100 or the tool to the controller. After comparison and analysis, the controller starts working when the position information of the first spindle 1100 or the tool exceeds the preset deviation range, and does not start when the position information of the first spindle 1100 or the tool does not exceed the preset deviation range, thus realizing real-time monitoring of the position of the first spindle 1100 and the tool.

[0122] In this embodiment, by setting up a controller and a position detection component 1400, real-time monitoring and adjustment of the position of the first spindle 1100 are realized, forming a closed-loop control. No manual detection, judgment, or manual adjustment is required, thus realizing closed-loop control of the detection and adjustment of the first spindle 1100, and improving the level of automation and intelligence.

[0123] In some embodiments, refer to Figure 7 As shown, the position detection assembly 1400 includes a first position detection unit 1410 and a second position detection unit 1420 both disposed on the worktable 1500. The first position detection unit 1410 is arranged along a third direction Y, and the second position detection unit 1420 is arranged along a second direction X. The third direction Y is perpendicular to the second direction X.

[0124] Specifically, the second direction X and the third direction Y are typically two mutually perpendicular horizontal reference directions of the equipment. For example, the second direction X is assumed to be the "left-right horizontal direction" (e.g., when the first spindle 1100 moves along the second direction X, it is a left-right translation); the third direction Y is assumed to be the "front-back horizontal direction" (e.g., when the worktable 1500 moves along the third direction Y, it is a front-back translation). The "positional deviation" of the tool refers to the amount by which the actual position of the tool deviates from the designed "target position" in the second direction X and / or the third direction Y.

[0125] "Arranged along the third direction Y" means that the measurement reference line of the first position detection unit 1410 extends along the third direction Y (for example, it is a "ruler" or "sensor line" in the front-back direction). The function of this reference line is to provide an "absolutely accurate reference in the third direction Y". Its position in the third direction Y is fixed and without deviation, and it can be used as a reference to determine whether the tool "deviates from the second direction X". Therefore, it can be seen that the first position detection unit 1410 is arranged along the third direction Y to detect the positional deviation of the tool in the second direction X. The specific detection method is to drive the tool to move along the second direction X. Signals are generated at the moment the tool contacts and leaves the measurement reference line of the first position detection unit 1410. The diameter of the tool can be calculated from these two signals. For specific detection methods, please refer to the prior art, which will not be elaborated here.

[0126] Similarly, the measurement reference line of the second position detection unit 1420 extends along the second direction X (for example, it is a left-right "ruler" or "sensor line"). This reference line itself is fixed and without deviation in the second direction X, serving as a reference for determining whether the tool has "deviated from the third direction Y". Therefore, it can be seen that the second position detection unit 1420 is arranged along the second direction X to detect the positional deviation of the tool in the third direction Y.

[0127] In this embodiment, position checks are set in a second direction X and a third direction Y to cover the complete positioning dimensions on the horizontal plane, eliminate blind spots in single-direction detection, and ultimately ensure the accuracy and stability of the equipment operation. In some embodiments, refer to Figure 6 and Figure 7 As shown, the circuit board processing equipment 1000 includes multiple first spindles 1100, and each first spindle 1100 is equipped with a corresponding spindle adjustment device 1300.

[0128] Specifically, the first spindles 1100 can be placed parallel to each other, and the multiple first spindles 1100 are arranged at intervals in a direction perpendicular to the first direction (or axis); the position detection component 1400 is used to detect the position information of each first spindle 1100.

[0129] Taking the PCB processing equipment 1000 as an example, a multi-spindle drilling machine is a special type of drilling machine, such as a dual-spindle drilling machine. Its core feature is that it is equipped with two independent drill spindles (first spindle 1100), which can simultaneously or separately drill holes in the workpiece. Multi-spindle drilling machines improve efficiency through simultaneous processing on multiple axes, but the positional deviation of these spindles is a key factor affecting hole position accuracy. When positional deviations occur in multiple first spindles 1100, their positions need to be adjusted. Here, the first direction or axial direction can be understood as the feed direction of the first spindle 1100, and the arrangement direction of the multiple first spindles 1100 is perpendicular to the first direction. The direction perpendicular to the first direction can be defined as the second direction.

[0130] In some embodiments, refer to Figure 6 and Figure 7 As shown, the circuit board processing equipment 1000 also includes a second spindle 1110, which is connected to the base plate 1600. The first spindle 1100 and the second spindle 1110 are spaced apart and are used to process the same circuit board. The spindle adjustment device 1300 can adjust the relative position between the first spindle 1100 and the second spindle 1110.

[0131] Specifically, the mounting base 1200 supports and fixes the first spindle 1100, and the base plate 1600 supports and fixes the second spindle 1110. The spindle adjustment device 1300 is connected to the first spindle 1100 to adjust the relative position or deviation of the first spindle 1100 relative to the second spindle 1110. Alternatively, it can be said that based on the theoretical position of the first spindle 1100 determined by the second spindle 1110, the spindle adjustment device 1300 adjusts the first spindle 1100 to the target position.

[0132] Taking a PCB processing machine 1000 as an example, a drilling machine is used. The two cutting tools are a first drill bit and a second drill bit, both of the same size. The first drill bit is connected to a first spindle 1100, and the second drill bit is connected to a second spindle 1110. The position detection assembly 1400 may include a first position detection unit 1410 and a second position detection unit 1420. The initial coordinates for detection are set within the controller, and the second spindle 1110 is set as the reference axis. Based on the detection data from the second spindle 1110, the deviation of the data detected by the first spindle 1100 under the same initial coordinates is compared to determine the concentricity of the first spindle 1100 and the second spindle 1110.

[0133] When the position detection component 1400 and the spindle adjustment device 1300 are activated, the first spindle 1100 and the second spindle 1110 are both pre-fixed. Then, the first spindle 1100 and the second spindle 1110 are driven to move to the first position detection unit 1410 and the second position detection unit 1420 after respectively gripping the tool, so as to obtain the coordinates of the first spindle 1100 in the second direction X and the third direction Y, and to obtain the coordinates of the second spindle 1110 in the second direction X and the third direction Y. Then, the position deviation of the first spindle 1100 and the second spindle 1110 is obtained by comparison and analysis. Finally, based on the position deviation, the spindle adjustment device 1300 is driven to automatically adjust the position of the first spindle 1100 so that the relative position between the first spindle 1100 and the second spindle 1110 meets the usage requirements.

[0134] The spindle adjustment device 1300 operates as follows: the controller presets the positional deviation range of the first spindle 1100 and the second spindle 1110. For example, the deviation in the second direction X and / or the third direction Y is not allowed to exceed ±10µm. When the positional deviation exceeds the preset deviation range, the controller in the spindle adjustment device 1300 starts working and enters the adjustment stage, controlling the adjustment component 1310 to move, thereby moving the first spindle 1100 to the target position. At the target position, the positional deviation range of the first spindle 1100 and the second spindle 1110 meets the requirements (e.g., the deviation does not exceed ±10µm). During this adjustment process, the induction coil 1343 in the first locking assembly 1340 is energized, the permanent magnet 1342 is demagnetized, and the permanent magnet 1342 will not form a limiting lock on the armature (i.e., the second magnetic attraction component 1344). The armature is loosened (not completely detached, maintaining a certain magnetism, reducing vibration that causes excessive offset of the air bearing sleeve 1330 and the first spindle 1100). When the positional deviation range of the first spindle 1100 and the second spindle 1110 meets the requirements, the first spindle 1100 and the second spindle 1110 no longer move, and the first locking assembly 1340 locks and fixes the first spindle 1100.

[0135] In some embodiments, the first spindle 1100 and the second spindle 1110 can be used to process the same circuit board to improve processing efficiency. Typically, the distance between the first spindle 1100 and the second spindle 1110 needs to meet a preset value. This application can adjust the position of the first spindle 1100 and / or the second spindle 1110 through the spindle adjustment device 1300 to adjust the distance between the first spindle 1100 and the second spindle 1110 to meet the preset value, thereby ensuring processing accuracy.

[0136] The above are merely preferred embodiments of this application, and only specifically describe the technical principles of this application. These descriptions are only for explaining the principles of this application and should not be construed as limiting the scope of protection of this application in any way. Based on this explanation, any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application, as well as other specific embodiments of this application that can be conceived by those skilled in the art without creative effort, should be included within the scope of protection of this application.

Claims

1. A spindle adjustment device for adjusting a first spindle (1100) to a target position, characterized in that, The spindle adjustment device (1300) includes: A mounting base (1200) is used to connect the first spindle (1100). Multiple adjustment components (1310) are connected to the fixed base (1200) and are arranged around the outer periphery of the first main shaft (1100); Each of the adjustment components (1310) is configured to automatically adjust the position of the first spindle (1100).

2. The spindle adjustment device as described in claim 1, characterized in that, The adjustment assembly (1310) includes an adjustment component (1311) and a drive component. The spindle adjustment device also includes a controller, which is communicatively connected to the drive component. The drive component includes a motion output end, which is connected to the adjustment component to drive the adjustment component to move.

3. The spindle adjustment device as described in claim 2, characterized in that, The driving component includes a deformable component (1315), and the controller is connected to the deformable component (1315). The deformable component (1315) is capable of deforming to drive the adjusting component (1311) to move.

4. The spindle adjustment device as described in claim 3, characterized in that, The regulating component (1310) is a piezoelectric actuator.

5. The spindle adjustment device as described in claim 1, characterized in that, The first main shaft (1100) extends along the first direction (Z); the number of the adjustment components (1310) is even, and the plurality of adjustment components (1310) are symmetrically arranged about the central axis of the first main shaft (1100) and respectively arranged on both sides of the first main shaft (1100) along the second direction (X), wherein the first direction (Z) is perpendicular to the second direction (X).

6. The spindle adjustment device according to any one of claims 1-5, characterized in that, The spindle adjustment device (1300) further includes an air flotation sleeve (1330) connected to the fixed seat (1200). There is an adjustment gap between the fixed seat (1200) and the air flotation sleeve (1330). The air flotation sleeve (1330) is sleeved on the outer periphery of the first spindle (1100), and an air film is formed between the air flotation sleeve (1330) and the first spindle (1100). Each of the adjustment components (1310) can move closer to and further away from the air flotation sleeve (1330) along the radial direction of the first spindle (1100) so that the adjustment component (1310) can abut against or disengage from the air flotation sleeve (1330).

7. The spindle adjustment device as described in claim 6, characterized in that, The spindle adjustment device (1300) further includes a first locking assembly (1340), which is connected to the air bearing sleeve (1330) and the fixed seat (1200). The first locking assembly (1340) can lock or release the air bearing sleeve (1330) so that the air bearing sleeve (1330) can be fixed or moved relative to the fixed seat (1200).

8. The spindle adjustment device as described in claim 7, characterized in that, The first locking assembly (1340) includes a first magnetic component (1341) and a second magnetic component (1344) that can be magnetically connected. The first magnetic component (1341) is connected to the air flotation sleeve (1330), and the second magnetic component (1344) is connected to the fixing base (1200).

9. A spindle assembly, characterized in that, The spindle assembly includes a base plate (1600), a first spindle (1100), and a spindle adjustment device (1300) as described in any one of claims 1-8, wherein the spindle adjustment device (1300) and the first spindle (1100) are both disposed on the base plate (1600).

10. A circuit board processing equipment, characterized in that, The circuit board processing equipment (1000) includes a worktable (1500), a cutting tool, and a spindle assembly as described in claim 9. The worktable (1500) is used to carry the circuit board. The cutting tool is connected to the processing end of the first spindle (1100). The first spindle (1100) can drive the cutting tool to move to process the circuit board carried on the worktable (1500).

11. The circuit board processing equipment as described in claim 10, characterized in that, The circuit board processing equipment (1000) further includes a position detection component (1400) disposed on the worktable (1500), the position detection component (1400) being used to detect the position information of the first spindle (1100) or the cutting tool.

12. The circuit board processing equipment as described in claim 11, characterized in that, The position detection component (1400) includes a first position detection unit (1410) and a second position detection unit (1420) both disposed on the worktable (1500). The first position detection unit (1410) is arranged along a third direction (Y), and the second position detection unit (1420) is arranged along a second direction (X). The third direction (Y) is perpendicular to the second direction (X).

13. The circuit board processing equipment according to any one of claims 10-12, characterized in that, The circuit board processing equipment (1000) includes a plurality of first spindles (1100), and each first spindle (1100) is correspondingly equipped with the spindle adjustment device (1300).

14. The circuit board processing equipment according to any one of claims 10-12, characterized in that, The circuit board processing equipment (1000) further includes a second spindle (1110), which is connected to the base plate (1600). The first spindle (1100) and the second spindle (1110) are spaced apart and are used to process the same circuit board. The spindle adjustment device (1300) can adjust the relative position between the first spindle (1100) and the second spindle (1110).

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