Main shaft structure and drilling machine

Abstract

The utility model belongs to the technical field of drilling machines, and particularly relates to a main shaft structure and a drilling machine. The spindle structure comprises a first adjusting assembly, a second adjusting assembly, a bottom plate, a sleeve clamp, a shaft sleeve and a spindle, the sleeve clamp is provided with an inner cavity, the shaft sleeve is inserted into the inner cavity, and the spindle is sleeved with the shaft sleeve. The first adjusting assembly comprises a sliding plate and a driving part, the sleeve clamp is installed on the sliding plate, the sliding plate is slidably connected to the bottom plate, the driving part can drive the sliding plate to move in the first direction, and the sliding plate can drive the main shaft to move in the first direction; the second adjusting assembly is installed on the shaft sleeve and used for driving the shaft sleeve to move in the second direction so as to drive the main shaft to move in the second direction. After each main shaft is placed in the corresponding area of the PCB, the position of each main shaft is adjusted through the first adjusting assembly and the second adjusting assembly, so that the machining paths of all the main shafts are consistent, dislocation of machining holes in different areas is avoided, and the quality of the PCB is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of drilling machines, in particular to a spindle structure and a drilling machine. Background Art

[0002] In the field of PCB drilling, a PCB drilling machine is needed to drill holes on PCB boards. Each PCB board is divided into several areas of the same size according to its purpose, size and function, and the number and arrangement of holes to be processed in each area are the same. A PCB drilling machine usually uses two or more spindles to drill all the areas to be processed on a PCB board.

[0003] However, there are manufacturing errors in the workpieces and assembly errors during assembly. If we only rely on assembly tools and assembly processes, the adjustment accuracy is low and it is impossible to ensure that the spacing between two or more spindles used to process the same PCB board is consistent, resulting in misalignment of processing holes in different areas, affecting the quality of the PCB board. Utility Model Content

[0004] The technical problem to be solved by the utility model is: to provide a spindle structure and a drilling machine in view of the problem that the adjustment accuracy of the existing drilling machine is low, resulting in misalignment of the processed holes in different areas.

[0005] In order to solve the above technical problems, on the one hand, the embodiment of the utility model provides a spindle structure, including a first adjustment component, a second adjustment component, a bottom plate, a sleeve, a sleeve and a spindle, wherein the bottom plate is suitable for being connected to the crossbeam of the drilling machine; the sleeve has an inner cavity, the sleeve is inserted in the inner cavity, and the sleeve is sleeved on the outside of the spindle;

[0006] The first adjustment assembly includes a sliding plate and a driving member, the sleeve clamp is mounted on the sliding plate, the sliding plate is slidably connected to the bottom plate, the driving member can drive the sliding plate to move along the first direction, and the sliding plate can drive the shaft sleeve and the main shaft to move along the first direction through the sleeve clamp;

[0007] The second adjusting assembly is mounted on the shaft sleeve, and the second adjusting assembly is used to drive the shaft sleeve to move along the second direction, so as to drive the main shaft to move along the second direction;

[0008] The first direction is perpendicular to the second direction.

[0009] Optionally, the driving member includes a screw rod, which is threadedly connected to the sliding plate, and the sliding plate can be driven to move by rotating the screw rod.

[0010] Optionally, the first adjustment component further includes a locking member, the sliding plate is provided with a first hole, the bottom plate is provided with a second hole, and the locking member is passed through the first hole and the second hole to make the bottom plate and the sliding plate relatively fixed.

[0011] Optionally, the first adjustment assembly further includes a first guide rail extending along a first direction, the first guide rail being disposed between the base plate and the sliding plate, and the sliding plate being capable of moving along the first guide rail.

[0012] Optionally, the spindle structure further includes a linear motor and a second guide rail, wherein the second guide rail is arranged on a side of the base plate away from the sliding plate, the output end of the linear motor is connected to the base plate, and the linear motor drives the base plate to move along the second guide rail.

[0013] Optionally, the shaft sleeve is an air-floating shaft sleeve, the shaft sleeve and the main shaft are clearance-fitted, and an air gap layer for filling gas is formed between the inner circumference of the shaft sleeve and the outer circumference of the main shaft.

[0014] Optionally, the second adjustment assembly comprises a movable nut, a screw rod and a fixed block, the shaft sleeve is provided with a receiving cavity for receiving the movable nut, the movable nut is connected to the shaft sleeve, and the fixed block is mounted on the sleeve clamp;

[0015] One end of the screw rod is movably connected to the fixed block, and the other end of the screw rod is threadedly connected to the movable nut. The movable nut and the sleeve can be driven to move by rotating the screw rod, thereby driving the main shaft to move.

[0016] Optionally, the screw rod includes a first thread segment and a second thread segment, the first thread segment is threadedly connected to the movable nut, and the second thread segment is threadedly connected to the fixed block; the pitch of the first thread segment is different from the pitch of the second thread segment.

[0017] On the other hand, an embodiment of the utility model provides a drilling machine, comprising a workbench and a plurality of spindle structures as described above; the workbench is used to place a first material plate and a second material plate;

[0018] The spindle structure includes a first spindle structure located above the first material plate and a second spindle structure located above the second material plate, the first spindle structure is used for processing the first material plate, and the second spindle structure is used for processing the second material plate.

[0019] Optionally, the main shaft structure further includes a connecting rod, wherein the connecting rod extends along the first direction, and the connecting rod connects the first main shaft structure and the second main shaft structure.

[0020] Optionally, the main shaft structure is provided in plurality, the connecting rods of the plurality of main shaft structures are arranged at intervals along the third direction and staggered with each other, and the first main shaft structure and the second main shaft structure of two adjacent main shaft structures are staggered along the first direction;

[0021] The first direction, the second direction and the third direction are perpendicular to each other.

[0022] Optionally, the connecting rods of the plurality of main shaft structures are parallel to each other.

[0023] Optionally, at least three main shaft structures are provided.

[0024] Optionally, the spindles of the plurality of first spindle structures located above the first material plate are evenly spaced apart; and / or the spindles of the plurality of second spindle structures located above the second material plate are evenly spaced apart.

[0025] Optionally, the drilling machine further includes a driving motor, and an output end of the driving motor is connected to a middle position of the connecting rod to drive the first spindle structure and the second spindle structure to move along the first direction.

[0026] Optionally, the drilling machine further includes a bed, a first beam base, a second beam base and a beam, the workbench is arranged on the bed, the first beam base and the second beam base are arranged on the bed at intervals, and the beam is arranged on the first beam base and the second beam base.

[0027] Optionally, the workbench is slidably arranged on the bed, two first beam bases are provided, the second beam base is arranged between the two first beam bases, and the beam is arranged on the two first beam bases and the second beam base;

[0028] Alternatively, the crossbeam includes a first crossbeam and a second crossbeam, the first crossbeam is arranged on the second crossbeam base and one of the first crossbeam bases, and the second crossbeam is arranged on the second crossbeam base and another of the first crossbeam bases.

[0029] The spindle structure provided by an embodiment of the utility model can drive the spindle to move in a first direction by driving the sliding plate through a driving member, and can drive the spindle to move in a second direction by driving the sleeve through a second adjustment component, so as to change the position of the spindle. In actual application scenarios, when two or more spindles are processing a PCB board, the PCB board can be divided into areas consistent with the number of spindles, and each spindle is processed in a corresponding area. After each spindle is placed in the corresponding area, the position of each spindle in the first direction and the second direction is adjusted, so that all spindles processing the same PCB board are evenly spaced, so that the processing paths of multiple areas on the sheet are consistent, the misalignment of processing holes in different areas is avoided, and the quality of the PCB board is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of a main shaft structure provided by an embodiment of the utility model;

[0031] Figure 2 It is a schematic diagram of a drilling machine provided by an embodiment of the utility model;

[0032] Figure 3 It is a schematic diagram of the connection of multiple main shaft structures provided in one embodiment of the utility model.

[0033] The reference numerals in the specification are as follows:

[0034] 10. Main axis structure; 10a. First main axis structure; 10b. Second main axis structure;

[0035] 1. First adjustment assembly; 11. Sliding plate; 12. First guide rail; 2. Second adjustment assembly; 3. Bottom plate; 4. Clamp; 5. Bushing; 6. Main shaft; 7. Second guide rail;

[0036] 20. workbench; 30. bed; 40. first beam base; 50. second beam base; 60. beam; 70. connecting rod;

[0037] X, first direction; Y, second direction; Z, third direction. DETAILED DESCRIPTION

[0038] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0039] like Figures 1 to 3As shown, a spindle structure 10 provided by an embodiment of the utility model comprises a first adjustment component 1, a second adjustment component 2, a bottom plate 3, a sleeve 4, a sleeve 5 and a spindle 6, wherein the bottom plate 3 is suitable for being connected to a crossbeam 60 of a drilling machine. The sleeve 4 has an inner cavity, and the sleeve 5 is inserted in the inner cavity. The inner cavity penetrates the sleeve 4 along the axial direction of the spindle 6, and the sleeve 5 is in clearance with the inner cavity, and the sleeve 5 is sleeved on the outside of the spindle 6.

[0040] The first adjustment component 1 includes a sliding plate 11 and a driving member, the sleeve clamp 4 is installed on the sliding plate 11, the sliding plate 11 is slidably connected to the bottom plate 3, the output end of the driving member is connected to the sliding plate 11, the driving member can drive the sliding plate 11 to move, the sleeve clamp 4 will move with the sliding plate 11, so that the sliding plate 11 can drive the sleeve 5 and the main shaft 6 to move through the sleeve clamp 4. The driving member can control the moving distance of the sliding plate 11 to meet the high precision requirements of the sliding plate 11. The second adjustment component 2 is installed on the sleeve 5, and the second adjustment component 2 is used to drive the sleeve 5 to move, so as to drive the main shaft 6 to move. The position of the main shaft 6 is adjusted by the first adjustment component 1 and the second adjustment component 2.

[0041] The directions of the forces applied by the first adjustment component 1 and the second adjustment component 2 on the main shaft 6 are different. The first adjustment component 1 can drive the sliding plate 11 to move in the first direction, and the sliding plate 11 drives the sleeve 5 and the main shaft 6 to move in the first direction, thereby changing the position of the main shaft 6 in the first direction. The second adjustment component 2 can drive the sleeve 5 to move in the second direction, and the sleeve 5 drives the main shaft 6 to move in the second direction, thereby changing the position of the main shaft 6 in the second direction. The first direction and the second direction are perpendicular.

[0042] In this embodiment, the driving member drives the sliding plate 11 to move, which can drive the spindle 6 to move in the first direction, and the second adjustment component 2 drives the sleeve 5 to move to drive the spindle 6 to move in the second direction, thereby changing the position of the spindle 6. When two or more spindles 6 process a PCB board, the PCB board is divided into areas with the same number of spindles 6, and each spindle 6 processes in the corresponding area. After each spindle 6 is placed in the corresponding area, the position of each spindle 6 in the first direction and the second direction is adjusted, so that all spindles 6 processing the same PCB board are evenly arranged, so that the processing paths of multiple areas on the sheet are consistent, avoiding the misalignment of processing holes in different areas, and improving the quality of the PCB board.

[0043] In one embodiment, a rectangular coordinate system is established with the surface of the PCB board as a reference plane to determine an X direction and a Y direction, wherein the first direction is the X direction and the second direction is the Y direction.

[0044] Specifically, Figure 3As shown, the drilling machine is provided with at least a Z1 axis, a Z2 axis and a Z3 axis, which process the same PCB board. The PCB board is divided into three areas to be processed, and the Z1 axis, Z2 axis and Z3 axis process the three areas respectively.

[0045] When adjusting the positions of the three axes, the first adjustment component 1 on the Z2 axis is used to adjust the position of the Z2 axis in the X direction, and the first adjustment component 1 on the Z3 axis is used to adjust the position of the Z3 axis in the X direction, so that the distance between the Z1 axis and the Z2 axis in the X direction is consistent with the distance between the Z2 axis and the Z3 axis. Then, with the Z1 axis as the reference, the second adjustment component 2 on the Z2 axis is used to adjust the position of the Z2 axis in the Y direction, and the second adjustment component 2 on the Z3 axis is used to adjust the position of the Z3 axis in the Y direction, so that the positions of the Z1 axis, the Z2 axis, and the Z3 axis in the Y direction are consistent.

[0046] In this way, when the Z1 axis processes the first area, the Z2 axis and the Z3 axis are the copies of the Z1 axis, and the processing paths of the Z1 axis, Z2 axis and Z3 axis are exactly the same, so that the number of holes to be processed in each area and the hole positions remain consistent. At the same time, it can also greatly improve the drilling efficiency and reduce production costs.

[0047] In one embodiment, the driving member includes a screw, which is threadedly connected to the sliding plate 11. The sliding plate 11 can be driven to move by rotating the screw. The moving distance of the sliding plate 11 can be controlled by controlling the rotation angle of the screw, thereby controlling the moving distance of the main shaft 6.

[0048] When the screw is rotating, it is not limited to being rotated by manual operation of the screw or being driven by a motor to rotate the screw.

[0049] In one embodiment, the first adjustment component 1 also includes a locking member, a first hole is provided on the sliding plate 11, a second hole is provided on the base plate 3 at a position corresponding to the first hole, and the locking member is passed through the first hole and the second hole to make the base plate 3 and the sliding plate 11 relatively fixed.

[0050] When the position of the sliding plate 11 needs to be adjusted, the locking piece is loosened to release the relative fixation of the bottom plate 3 and the sliding plate 11, and the sliding plate 11 is driven to move by the screw to adjust the spindle 6. When the adjustment is in place, the locking piece is locked to keep the bottom plate 3 and the sliding plate 11 relatively fixed to prevent the position of the spindle 6 from changing during the drilling process.

[0051] Preferably, the locking member is a screw or a bolt.

[0052] In one embodiment, if Figure 1As shown, the first adjustment assembly 1 further includes a first guide rail 12 extending along a first direction, and the first guide rail 12 is arranged between the bottom plate 3 and the sliding plate 11. The screw rod is rotated so that the sliding plate 11 can move along the first guide rail 12. By setting the first guide rail 12, when the sliding plate 11 drives the spindle 6 to move, the spindle 6 has a larger adjustment range, and when multiple spindles 6 process the same PCB board, it is convenient to adjust the spacing between the multiple spindles 6.

[0053] In one embodiment, if Figure 1 As shown, the spindle structure 10 also includes a linear motor and a second guide rail 7. The second guide rail 7 extends along a third direction, and the third direction is perpendicular to the plane defined by the first direction and the second direction. The third direction is the Z direction. The second guide rail 7 is arranged on the side of the base plate 3 away from the sliding plate 11. The output end of the linear motor is connected to the base plate 3. The linear motor drives the base plate 3 to move along the second guide rail 7. The base plate 3 can drive the spindle 6 to move along the Z axis, so that the spindle 6 can perform drilling operations.

[0054] In one embodiment, the sleeve 5 is an air-floating sleeve, and the sleeve 5 is loosely matched with the main shaft 6. There is an air gap layer between the outer circumference of the main shaft 6 and the inner circumference of the sleeve 5. The air gap layer is filled with high-pressure air to form an air film. Under the action of the air buoyancy force, the main shaft 6 always remains coaxial with the sleeve 5. Therefore, by adjusting the position of the sleeve 5 through the second adjustment component 2, the effect of adjusting the position of the main shaft 6 can be achieved.

[0055] In one embodiment, the second adjustment component 2 includes a movable nut, a screw and a fixed block. The sleeve 5 is provided with an accommodating cavity, the movable nut is arranged in the accommodating cavity, the movable nut is connected to the flange of the sleeve 5, and the fixed block is installed on the sleeve clamp 4.

[0056] One end of the screw is movably connected to the fixed block, and the screw is relatively fixed to the fixed block in its circumferential direction. The other end of the screw is threadedly connected to the movable nut. The screw can drive the movable nut and the sleeve 5 to move through its own rotation, and then drive the main shaft 6 to move.

[0057] The screw is a differential screw, and the screw includes a first thread segment and a second thread segment, the first thread segment is threadedly connected to the movable nut, and the second thread segment is threadedly connected to the fixed block. The pitch of the first thread segment is different from the pitch of the second thread segment. Due to the different pitches, when the screw rotates, the movable nut approaches or moves away from the fixed block along the axial direction of the screw, and the distance moved by the movable nut is equal to the difference in pitch between the first thread segment and the second thread segment. Through the rotation angle of the screw, the distance moved by the movable nut can be more accurately adjusted, and then the moving distance of the sleeve 5 and the main shaft 6 can be accurately adjusted.

[0058] On the other hand, Figure 2 , Figure 3As shown, an embodiment of the utility model provides a drilling machine, comprising a plurality of spindle structures 10 of the above-mentioned embodiments.

[0059] In one embodiment, if Figure 2 As shown, the drilling machine further includes a workbench 20, which is used to place the first material plate and the second material plate. The spindle structure 10 includes a first spindle structure 10a and a second spindle structure 10b, wherein the first spindle structure 10a is located above the first material plate and is used to process the first material plate, and the second spindle structure 10b is located above the second material plate and is used to process the second material plate.

[0060] The first adjustment component 1 on the first spindle structure 10a can drive its spindle to move in the first direction, and the first adjustment component 1 on the second spindle structure 10b can drive its spindle to move in the first direction. By adjusting at least one of the first adjustment component 1 on the first spindle structure 10a and the first adjustment component 1 on the second spindle structure 10b, the relative positions of the two spindles can be adjusted. The second adjustment component 2 on the first spindle structure 10a drives its spindle to move in the second direction, thereby changing the position of the spindle in the second direction. The second adjustment component 2 on the second spindle structure 10b drives its spindle to move in the second direction, thereby changing the position of the spindle in the second direction.

[0061] In one embodiment, if Figure 3 As shown, the spindle structure 10 further includes a connecting rod 70, which connects the first spindle structure 10a and the second spindle structure 10b. The connecting rod 70 extends along the X direction (first direction). Under the action of the connecting rod 70, the first spindle structure 10a and the second spindle structure 10b move synchronously along the X direction. When the spindle 6 of the first spindle structure 10a processing the first material plate moves to the processing position, the spindle 6 of the second spindle structure 10b processing the second material plate moves to the corresponding processing position accordingly, which can improve the adjustment efficiency.

[0062] In one embodiment, a plurality of main axis structures 10 are provided, and the lengths of the connecting rods 70 of the plurality of main axis structures 10 are consistent. The connecting rods 70 of the plurality of main axis structures 10 are arranged at intervals along a third direction and staggered with each other. After being arranged at intervals along the third direction, the first main axis structure 10a and the second main axis structure 10b of two adjacent main axis structures 10 are staggered along the first direction.

[0063] The first direction, the second direction and the third direction are perpendicular to each other. The third direction is the Z direction in the rectangular coordinate system. Preferably, the connecting rods 70 of the plurality of main shaft structures 10 are parallel to each other.

[0064] In one embodiment, if Figure 2 , Figure 3As shown, at least three spindle structures 10 are provided, and specifically three, four, five, six or even more spindle structures can be provided. The specific selection can be made according to the actual scenario, and no specific limitation is made here; the following embodiments are mainly described with three spindle structures 10. In an application scenario, the three spindle structures 10 include three first spindle structures 10a and three second spindle structures 10b. The three first spindle structures 10a are used to process the first material plate on the workbench 20. During processing, three areas of the same size are divided on the first material plate, and the spindles of the three first spindle structures 10a process the first material plate, which has a higher processing efficiency. The three second spindle structures 10b are used to process the second material plate on the workbench 20. Three areas of the same size are divided on the second material plate, and the spindles of the three second spindle structures 10b process the second material plate, which has a higher processing efficiency.

[0065] There are three connecting rods 70, namely the first connecting rod, the second connecting rod and the third connecting rod, the first connecting rod is connected to the upper part of the first spindle structure 10a of the first spindle structure 10 and the upper part of the second spindle structure 10b, the second connecting rod is connected to the middle part of the first spindle structure 10a and the middle part of the second spindle structure 10b of the second spindle structure 10, and the third connecting rod is connected to the lower part of the first spindle structure 10a and the lower part of the second spindle structure 10b of the third spindle structure 10, so that after the three connecting rods 70 are displaced in the Z direction, the first spindle structures 10a and the second spindle structures 10b of two adjacent spindle structures 10 can be staggered along the first direction, the three first spindle structures 10a are arranged side by side in the first direction to process the first material plate, and the three second spindle structures 10b are arranged side by side in the second direction to process the second material plate.

[0066] In one embodiment, the spindles 6 of the plurality of first spindle structures 10a located above the first material plate are evenly spaced so that the positions of the holes to be processed in each area on the first material plate remain consistent.

[0067] In one embodiment, the spindles 6 of the plurality of second spindle structures 10b located above the second material plate are evenly spaced so that the positions of the holes to be processed in each area on the second material plate remain consistent.

[0068] In a specific embodiment, if Figure 2 , Figure 3 As shown, the drilling machine is provided with at least a Z1 axis, a Z2 axis, a Z3 axis, a Z4 axis, a Z5 axis and a Z6 axis. The Z1 axis, the Z2 axis and the Z3 axis process the first sheet, and the Z4 axis, the Z5 axis and the Z6 axis process the second sheet. The Z1 axis and the Z4 axis correspond to each other and are connected by a connecting rod 70, the Z2 axis and the Z5 axis correspond to each other and are connected by a connecting rod 70, and the Z3 axis and the Z6 axis correspond to each other and are connected by a connecting rod 70.

[0069] When adjusting the positions of the above axes, with the Z1 axis as the reference, the distance between the Z1 axis and the Z4 axis in the X direction is adjusted to a preset value through the first adjustment component 1, with the Z2 axis as the reference, the distance between the Z2 axis and the Z5 axis in the X direction is adjusted to a preset value through the first adjustment component 1, and with the Z3 axis as the reference, the distance between the Z3 axis and the Z6 axis in the X direction is adjusted to a preset value through the first adjustment component 1. Then, with the Z1 axis as the reference, the positions of the Z1 axis, the Z2 axis and the Z3 axis in the Y direction are made consistent through the second adjustment components 2 on the Z2 axis and the Z3 axis. With the Z4 axis as the reference, the positions of the Z4 axis, the Z5 axis and the Z6 axis in the Y direction are made consistent through the second adjustment components 2 on the Z5 axis and the Z6 axis.

[0070] In this way, when the Z1 axis processes an area on the first material plate, the Z2 axis and the Z3 axis are the copies of the Z1 axis, and the processing paths of the Z1 axis, Z2 axis and Z3 axis on the first material plate are exactly the same, so that the number of holes to be processed and the hole positions in each area are consistent. When the Z4 axis processes an area on the second material plate, the Z5 axis and the Z6 axis are the copies of the Z4 axis, and the processing paths of the Z4 axis, Z5 axis and Z6 axis on the second material plate are exactly the same.

[0071] In one embodiment, the drilling machine further includes a driving motor, the output end of which is connected to the middle position of the connecting rod 70 , and the driving motor can drive the first spindle structure 10a and the second spindle structure 10b to move synchronously along the first direction through the connecting rod 70 .

[0072] In one embodiment, if Figure 2 As shown, the drilling machine is an axis drilling machine, which also includes a bed 30, a first beam base 40, a second beam base 50 and a beam 60. The workbench 20 is arranged on the bed 30, the first beam base 40 and the second beam base 50 are arranged on the bed 30 at intervals, and the beam 60 is arranged on the first beam base 40 and the second beam base 50.

[0073] Among them, there are two first beam bases 40 and one beam 60. The two first beam bases 40 are arranged at both ends of the bed 30, and the second beam base 50 is located between the two first beam bases 40. The beam 60 is supported by the second beam base 50 and the two first beam bases 40.

[0074] In another embodiment, the drilling machine is an axis drilling machine, and two crossbeams 60 are provided (not shown in the figure), that is, the crossbeam 60 can be equally divided into two, namely the first crossbeam and the second crossbeam, and two first crossbeam bases 40 are provided, the first crossbeam is arranged on one first crossbeam base 40 and the second crossbeam base 50, and the second crossbeam is arranged on the other first crossbeam base 40 and the second crossbeam base 50.

[0075] In another embodiment, the beam 60 includes a first beam and a second beam, two first beam bases 40 are provided, two second beam bases 50 are provided, the first beam is provided on one of the first beam bases 40 and one of the second beam bases 50, and the second beam is provided on another first beam base 40 and another second beam base 50.

[0076] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A spindle structure, characterized in that: It comprises a first adjustment component, a second adjustment component, a bottom plate, a sleeve, a shaft sleeve and a main shaft, wherein the bottom plate is suitable for being connected to a cross beam of a drilling machine; the sleeve has an inner cavity, the shaft sleeve is inserted in the inner cavity, and the shaft sleeve is sleeved on the outside of the main shaft; The first adjustment assembly includes a sliding plate and a driving member, the sleeve clamp is mounted on the sliding plate, the sliding plate is slidably connected to the bottom plate, the driving member can drive the sliding plate to move along the first direction, and the sliding plate can drive the shaft sleeve and the main shaft to move along the first direction through the sleeve clamp; The second adjusting assembly is mounted on the shaft sleeve, and the second adjusting assembly is used to drive the shaft sleeve to move along the second direction, so as to drive the main shaft to move along the second direction; The first direction is perpendicular to the second direction.

2. The spindle structure according to claim 1, characterized in that: The driving member includes a screw rod, which is threadedly connected to the sliding plate. The sliding plate can be driven to move by rotating the screw rod.

3. The spindle structure according to claim 1, characterized in that: The first adjustment component also includes a locking member. The sliding plate is provided with a first hole, and the bottom plate is provided with a second hole. The locking member is inserted into the first hole and the second hole to relatively fix the bottom plate and the sliding plate.

4. The spindle structure according to claim 1, characterized in that: The first adjustment assembly further includes a first guide rail extending along a first direction, wherein the first guide rail is disposed between the base plate and the sliding plate, and the sliding plate can move along the first guide rail.

5. The spindle structure according to claim 1, characterized in that: The spindle structure also includes a linear motor and a second guide rail, wherein the second guide rail is arranged on a side of the base plate away from the sliding plate, and an output end of the linear motor is connected to the base plate, and the linear motor drives the base plate to move along the second guide rail.

6. The spindle structure according to any one of claims 1 to 5, characterized in that: The shaft sleeve is an air-floating shaft sleeve, the shaft sleeve and the main shaft are clearance-matched, and an air gap layer for filling gas is formed between the inner circumference of the shaft sleeve and the outer circumference of the main shaft.

7. The spindle structure according to claim 6, characterized in that: The second adjustment assembly includes a movable nut, a screw rod and a fixed block, the shaft sleeve is provided with a receiving cavity for receiving the movable nut, the movable nut is connected to the shaft sleeve, and the fixed block is installed on the sleeve clamp; One end of the screw is connected to the fixed block, and the other end of the screw is threadedly connected to the movable nut. The movable nut and the sleeve can be driven to move by rotating the screw, thereby driving the main shaft to move.

8. The spindle structure according to claim 7, characterized in that: The screw rod comprises a first thread segment and a second thread segment, the first thread segment is threadedly connected to the movable nut, and the second thread segment is threadedly connected to the fixed block; the pitch of the first thread segment is different from the pitch of the second thread segment.

9. A drilling machine, characterized in that: It comprises a workbench and a plurality of spindle structures according to any one of claims 1 to 8; the workbench is used to place a first material plate and a second material plate; The spindle structure includes a first spindle structure located above the first material plate and a second spindle structure located above the second material plate, the first spindle structure is used for processing the first material plate, and the second spindle structure is used for processing the second material plate.

10. The drilling machine according to claim 9, characterized in that The main shaft structure further includes a connecting rod extending along the first direction, and the connecting rod connects the first main shaft structure and the second main shaft structure.

11. The drilling machine according to claim 10, characterized in that The main shaft structure is provided in plurality, the connecting rods of the plurality of main shaft structures are arranged at intervals along the third direction and staggered with each other, and the first main shaft structure and the second main shaft structure of two adjacent main shaft structures are staggered along the first direction; The first direction, the second direction and the third direction are perpendicular to each other.

12. The drilling machine according to claim 11, characterized in that The connecting rods of the plurality of main shaft structures are parallel to each other.

13. The drilling machine according to claim 11, characterized in that At least three main shaft structures are provided.

14. The drilling machine according to claim 11, characterized in that The spindles of the plurality of first spindle structures located above the first material plate are evenly spaced apart; and / or the spindles of the plurality of second spindle structures located above the second material plate are evenly spaced apart.

15. The drilling machine according to claim 10, characterized in that The drilling machine further includes a driving motor, an output end of which is connected to a middle position of the connecting rod to drive the first spindle structure and the second spindle structure to move along the first direction.

16. The drilling machine according to claim 9, characterized in that The drilling machine also includes a bed, a first beam base, a second beam base and a beam, the workbench is arranged on the bed, the first beam base and the second beam base are arranged on the bed at intervals, and the beam is arranged on the first beam base and the second beam base.

17. The drilling machine according to claim 16, characterized in that The workbench is slidably arranged on the bed, two first beam bases are arranged, the second beam base is arranged between the two first beam bases, and the beam is arranged on the two first beam bases and the second beam base; Alternatively, the crossbeam includes a first crossbeam and a second crossbeam, the first crossbeam is arranged on the second crossbeam base and one of the first crossbeam bases, and the second crossbeam is arranged on the second crossbeam base and another of the first crossbeam bases.

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