Line reference conversion device

Abstract

The invention discloses a line reference conversion device, relates to the technical field of machining, and is used for solving the technical problems of machining interruption, pause and large error caused by the fact that a machining machine cannot recognize a line reference in the prior art. The line reference conversion device comprises an alignment assembly, a fixing assembly, an adjusting assembly, a shell and a placing plate, the alignment assembly, the fixing assembly and the adjusting assembly are connected with the shell, the shell is connected with the placing plate, the adjusting assembly is used for adjusting the alignment assembly, and the placing plate is used for placing a workpiece. According to the alignment assembly, the plane where the line reference on the workpiece is located can be converted into the reference plane on the alignment assembly, so that collection, conversion and recognition of the line reference are achieved, errors are reduced, and automatic machining is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical processing, and in particular to a line reference conversion device. Background Art

[0002] A line datum is a reference line or a group of reference lines used to determine the size, shape, position, and other elements on a workpiece. It is a geometric datum that provides a standard starting position or direction for the design, manufacture, and measurement of a workpiece.

[0003] In the processing of aerospace products, there are many large-scale workpieces such as wing surfaces, cabins, and shells that require scribing assistance to determine the horizontal reference for processing. However, existing processing machinery can only automatically identify planes, but cannot automatically identify the reference lines on the workpieces. It is necessary to use a scribing disk and a height gauge to adjust the workpiece's posture and determine the workpiece's position, resulting in interruptions and pauses in processing, and there are large manual errors. Summary of the invention

[0004] In view of the above analysis, the present invention aims to provide a line reference conversion device to solve the technical problems in the prior art that the processing machinery cannot identify the line reference, resulting in processing interruptions and pauses and large errors.

[0005] The purpose of the present invention is mainly achieved through the following technical solutions:

[0006] A line reference conversion device comprises an alignment component, a fixing component, an adjustment component, a shell and a placement plate, wherein the alignment component, the fixing component and the adjustment component are connected to the shell, the shell is connected to the placement plate, the adjustment component is used to adjust the alignment component, and the placement plate is used to place a workpiece.

[0007] Furthermore, the alignment component includes an alignment tip, a reference table, a slide and a fixed plate, the alignment tip is arranged on the slide, the fixed plate covers the alignment tip and is connected to the fixed component, and the fixed plate cooperates with the slide to limit the position of the alignment tip so that the alignment tip can move along the slide.

[0008] Furthermore, the adjustment assembly includes a double gear ring, a driving gear and a rack, the rack is connected to the alignment assembly, the outer ring of the double gear ring is connected to the rack, and the inner ring of the double gear ring is connected to the driving gear.

[0009] Furthermore, a slider is provided on the surface of the alignment tip that contacts the slide, and a slide rail is provided on the surface of the slide that contacts the alignment tip. The slider cooperates with the slide rail to enable the alignment tip to move along the slide.

[0010] Furthermore, the reference platform is connected to the alignment tip, a reference plane is arranged on the reference platform, and the reference plane is coplanar with the tip of the alignment tip in a horizontal direction.

[0011] Furthermore, the alignment assembly also includes a fixing screw, a fixing hole is provided on the alignment tip, and the fixing screw can pass through the fixing plate and be connected to the fixing hole.

[0012] Furthermore, the fixing assembly includes a fixing platform and locking bolts, and the fixing platform is arranged at both ends of the sliding platform.

[0013] Furthermore, the locking bolt passes through the fixing platform and is used to fix the position of the sliding platform.

[0014] Furthermore, a guide rail is arranged on the fixed platform, and a moving block is arranged on the sliding platform, and the moving block can move along the guide rail.

[0015] Furthermore, an elastic material is provided at a position where the locking bolt contacts the slide.

[0016] Furthermore, a clamping column is provided on the placement plate, and the workpiece is placed on the clamping column and fixed by a clamping plate.

[0017] Furthermore, the adjustment component also includes an adjustment knob, and the adjustment knob passes through the housing and is connected to the driving gear. Rotating the adjustment knob can cause the driving gear to drive the double gear ring to rotate.

[0018] Furthermore, the adjustment assembly also includes a gear ring support rod, and the double gear ring is connected to the shell through the gear ring support rod.

[0019] Furthermore, the adjustment assembly also includes a driven gear, which is connected to the gear ring support rod and the driven gear is connected to the inner ring of the double gear ring. When the driving gear drives the double gear ring to rotate, the driven gear does not contact the driving gear.

[0020] Furthermore, a speed shift groove and a bearing hole are arranged on the gear ring support rod, and the bearing hole is arranged in the speed shift groove.

[0021] Furthermore, a connecting head is arranged on the driving gear, and the connecting head can move along the speed change groove, and the connecting head can be inserted into the bearing hole and connected with the gear ring support rod.

[0022] Furthermore, the position of the bearing hole matches the positions of the double gear ring and the driven gear, and when the connector is inserted into the bearing hole, the driving gear can be connected to the driven gear or the inner ring of the double gear ring.

[0023] Furthermore, a limit stopper is also arranged on the gear ring support rod, and the limit stopper is arranged on both sides of the speed shifting slot.

[0024] Furthermore, a through slot is provided on the housing, and the position of the through slot matches the speed-changing slot. When the adjusting knob moves in the through slot, it can drive the connecting head to move in the speed-changing slot.

[0025] Furthermore, the clamping column includes an outer column, an inner column and an adjusting screw, the outer column is connected to the placement plate, the inner column is arranged inside the outer column, the clamping plate is connected to the inner column, the inner column can move along the outer column, and is fixed by the adjusting screw.

[0026] Furthermore, an adjustment groove is arranged on the placement plate, a ball screw is arranged in the adjustment groove, and the clamping column also includes an adjustment block, the adjustment block is arranged in the adjustment groove and connected to the ball screw.

[0027] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

[0028] (1) The line reference conversion device provided by the present invention can collect the reference line on the workpiece by setting an alignment component and convert it to the reference plane of the reference table, so that the processing machinery can recognize the data of the reference plane and then recognize the plane where the reference line is located, so as to process the workpiece. There is no need for technicians to adjust and measure the workpiece, thereby realizing automatic processing recognition and processing of the processing machinery. The operation is simple, the operation time is saved, and automatic recognition and automatic processing can be realized, saving human resources.

[0029] (2) The line reference conversion device provided by the present invention can adjust the position of the alignment component by setting an adjustment component, so that the alignment component can accurately identify and convert the plane where the line reference is located, reduce processing errors, and improve the processing accuracy of the workpiece. Turning the adjustment knob can rotate the active gear, thereby driving the double gear ring to rotate, thereby driving the rack to move up and down to adjust the alignment component. By setting a driven gear, the adjustment accuracy of the alignment component can be controlled. When the active gear is meshed with the driven gear, the double gear ring is driven by the driven gear to rotate, thereby moving the rack up and down. When the adjustment knob is rotated one circle, the rack moves a larger distance, which speeds up the adjustment speed and achieves coarse adjustment of the alignment component; when the active gear is meshed with the double gear ring, the adjustment knob is rotated one circle, and the rack moves a smaller distance, thereby achieving fine adjustment of the alignment component, saving adjustment time while improving the precision and accuracy of the alignment component in identifying and converting the line reference.

[0030] (3) The line reference conversion device provided by the present invention can fix the slide and the line point by setting a fixing assembly and a fixing plate, thereby increasing the stability of the line reference conversion device. The line point can move along the slide, thereby approaching or moving away from the workpiece, so as to collect the line reference while avoiding interference with the workpiece processing. The fixing plate cooperates with the slide to limit the position of the line point and prevent the position of the line point from being offset; the locking bolt passes through the fixing plate, and the locking bolt can be adjusted to press the slide, thereby fixing the position of the slide.

[0031] (4) The line reference conversion device provided by the present invention comprises a clamping column including an outer column, an inner column and an adjusting bolt. The inner column can move along the outer column and is fixed by the adjusting bolt, so that the placement height of the workpiece can be adjusted according to processing requirements. An adjusting groove is arranged on the placement plate, and a ball screw is arranged in the adjusting groove. The ball screw can be used to enable the clamping column to move along the adjusting groove, so that the position of the clamping column can be adjusted according to the shape of the workpiece, thereby achieving fixation of different workpieces, thereby increasing the versatility and adaptability of the line reference conversion device.

[0032] In the present invention, the above-mentioned technical solutions can also be combined with each other to achieve more preferred combination solutions. Other features and advantages of the present invention will be described in the subsequent description, and some advantages can become obvious from the description, or can be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained through the contents particularly pointed out in the embodiments of the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The accompanying drawings are only for the purpose of illustrating the particular invention and are not to be considered as limiting the invention. The same reference symbols denote the same components throughout the accompanying drawings.

[0034] Figure 1 It is a schematic diagram of the overall structure of the line reference conversion device of Example 1 of the present invention;

[0035] Figure 2 It is a structural schematic diagram of an alignment assembly according to Embodiment 1 of the present invention;

[0036] Figure 3 It is a structural schematic diagram of the adjustment component of Example 1 of the present invention;

[0037] Figure 4 This is one of the structural schematic diagrams of the adjustment component of Example 2 of the present invention;

[0038] Figure 5 This is a second structural schematic diagram of the adjustment component of Example 2 of the present invention;

[0039] Figure 6 This is a schematic diagram of the structure of a connector according to Embodiment 2 of the present invention;

[0040] Figure 7 It is a schematic structural diagram of a through slot according to Embodiment 2 of the present invention;

[0041] Figure 8 It is a schematic structural diagram of a placement plate and a clamping column according to Example 3 of the present invention.

[0042] Reference numerals:

[0043] 1-alignment assembly; 11-alignment tip; 111-fixing hole; 12-reference table; 121-reference surface; 13-slide; 14-fixing plate; 2-fixing assembly; 21-fixing table; 22-locking bolt; 3-adjustment assembly; 31-adjustment knob; 32-double gear ring; 33-driving gear; 34-rack; 35-gear ring support rod; 4-housing; 5-placing plate; 51-clamping column; 511-outer column; 512-inner column; 513-adjustment bolt; 52-adjustment slot; 521-ball screw; 6-workpiece. DETAILED DESCRIPTION

[0044] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present invention and are used to explain the principles of the present invention together with the present invention.

[0045] Example 1

[0046] This embodiment provides a line reference conversion device, such as Figure 1 As shown, it includes an alignment component 1, a fixing component 2, an adjustment component 3, a shell 4 and a placement plate 5. The alignment component 1, the fixing component 2 and the adjustment component 3 are connected to the shell 4, and the shell 4 is connected to the placement plate 5. The adjustment component 3 is used to adjust the alignment component 1, and the placement plate 5 is used to place the workpiece 6.

[0047] A plurality of clamping columns 51 are provided on the placement plate 5 . The workpiece 6 is placed on the clamping columns 51 and fixed by a clamping plate.

[0048] like Figure 1-2 As shown, the alignment component 1 includes an alignment tip 11, a reference platform 12, a slide 13, a fixing plate 14 and a fixing screw. The alignment tip 11 is arranged on the slide 13, the fixing plate 14 covers the alignment tip 11 and is connected to the fixing component 2, the fixing plate 14 cooperates with the slide 13 to limit the position of the alignment tip 11 so that the alignment tip 11 can move in a straight line along the slide 13, a plurality of fixing holes 111 are arranged on the alignment tip 11, and the fixing screws pass through the fixing plate 14 and are detachably connected to the fixing holes 111, thereby fixing the position of the alignment tip 11.

[0049] Preferably, a slider is provided on the surface where the alignment tip 11 contacts the slide 13, and a slide rail is provided on the surface where the slide 13 contacts the alignment tip 11. The movement path of the alignment tip 11 is stabilized by the cooperation between the slider and the slide rail, thereby preventing the alignment tip 11 from deviating.

[0050] The reference table 12 is connected to the alignment tip 11, and a reference surface 121 is provided on the reference table 12, and the reference surface 121 is coplanar with the tip of the alignment tip 11 in the horizontal direction. The alignment tip 11 is used to indicate the reference line on the workpiece 6, and indicates the plane where the reference line is located through the reference surface 121, so that the probe of the processing machine can identify the plane where the reference line is located through the reference surface 121.

[0051] like Figure 1 As shown, the fixing assembly 2 includes a fixing platform 21 and a locking bolt 22. The fixing platform 21 is arranged at both ends of the slide 13. The slide 13 can move along the fixing platform 21. The locking bolt 22 passes through the fixing platform 21. By adjusting the locking bolt 22, the locking bolt 22 can press the slide 13, thereby fixing the position of the slide 13.

[0052] Preferably, a guide rail is provided on the fixed platform 21 , and a moving block is provided on the slide platform 13 . The moving block can move along the guide rail, thereby allowing the slide platform 13 to move along the fixed platform 21 .

[0053] Preferably, elastic materials such as rubber pads are provided at the position where the locking bolt 22 contacts the slide 13 to prevent the locking bolt 22 from pressing against the slide 13 and causing indentations.

[0054] like Figure 3 As shown, the adjustment component 3 includes an adjustment knob 31, a double gear ring 32, a driving gear 33, a rack 34 and a gear ring support rod 35. The rack 34 is connected to the slide 13, and the double gear ring 32 is connected to the shell 4 through the gear ring support rod 35. The outer ring of the double gear ring 32 is meshed with the rack 34, and the inner ring of the double gear ring 32 is meshed with the driving gear 33. The adjustment knob 31 passes through the shell 4 and is connected to the driving gear 33. Rotating the adjustment knob 31 can rotate the driving gear 33, thereby driving the double gear ring 32 to rotate, thereby driving the rack 34 to move up and down, which is used to adjust the height of the slide 13 so that the height of the alignment tip 11 is consistent with the position of the reference line on the workpiece 6.

[0055] Exemplarily, the gear ring support rod 35 can rotate with the double gear ring 32 , and the gear ring support rod 35 is connected to the housing 4 via a bearing seat to prevent the housing 4 from interfering with the rotation of the double gear ring 32 .

[0056] Exemplarily, the gear ring support rod 35 is fixedly connected to the housing 4 , and the gear ring support rod 35 is connected to the double gear ring 32 via a bearing seat to prevent the housing 4 from interfering with the rotation of the double gear ring 32 .

[0057] When the workpiece 6 needs to be processed, the workpiece 6 with the reference line drawn is fixed by the clamping column 51, so that the side with the reference line drawn corresponds to the alignment component 1, the alignment tip 11 is adjusted so that the alignment tip 11 is close to the workpiece 6, the height of the alignment component 1 is adjusted by the adjustment component 3, so that the alignment tip 11 contacts the reference line, so that the reference surface 121 indicates the plane where the reference line is located, and the position of the slide 13 is fixed by the locking bolt 22, so that the reference surface 121 remains coplanar with the reference line on the workpiece 6; the position of the alignment tip 11 is adjusted so that the alignment tip 11 is away from the workpiece 6 to avoid interfering with the processing of the workpiece 6, and the position of the alignment tip 11 is fixed by the fixing screw. The line reference conversion device is placed on the processing plane of the processing machine, and the reference surface 121 is identified by the probe of the processing machine, and then the plane where the reference line is located is identified, so that the processing machine can realize automatic processing without manual measurement and adjustment of the position and posture of the workpiece 6, avoiding processing interruption and pause, and reducing manual errors.

[0058] Example 2

[0059] This embodiment provides a line reference conversion device, such as Figures 4 to 6 As shown, the difference from Example 1 is that the second adjustment assembly 3 further includes a driven gear 36, which is connected to the gear ring support rod 35, and the driven gear 36 is meshedly connected with the inner ring of the double gear ring 32, and when the driving gear 33 drives the double gear ring 32 to rotate, the driven gear 36 does not contact the driving gear 33. By providing the driven gear 36, the speed adjustment of the rack 34 can be achieved, so that the coarse adjustment and fine adjustment of the alignment assembly 1 can be achieved, and the precision and accuracy of the line reference conversion device for line reference acquisition and conversion can be improved.

[0060] like Figure 5 As shown, a speed shift groove 351 and a bearing hole 352 are provided on the gear ring support rod 35, the bearing hole 352 is provided in the speed shift groove 351, and a plurality of bearing holes 352 are provided. A connecting head 331 is provided on the driving gear 33, and the connecting head 331 can move along the speed shift groove 351, and the connecting head 331 can be inserted into the bearing hole 352 and connected with the gear ring support rod 35; the position of the bearing hole 352 matches the position of the double gear ring 32 and the driven gear 36, and when the connecting head 331 is inserted into the bearing hole 352, the driving gear 33 can be meshed and connected with the driven gear 36 or the inner ring of the double gear ring 32, thereby driving the driven gear 36 or the double gear ring 32 to rotate.

[0061] Preferably, a limit stopper 353 is further provided on the gear ring support rod 35 , and the limit stopper 353 is provided on both sides of the speed shift slot 351 , and the limit stopper 353 is used to prevent the connector 331 from sliding out of the speed shift slot 351 .

[0062] like Figure 7As shown, a through slot 41 is provided on the housing 4, and the adjusting knob 31 can move in the through slot 41. The position of the through slot 41 matches the speed-changing slot 351. When the adjusting knob 31 moves in the through slot 41, it can drive the connector 331 to move in the speed-changing slot 351.

[0063] When it is necessary to adjust the height of the alignment component 1 so that the alignment tip 11 collects the reference line on the workpiece 6, the adjusting knob 31 is moved in the through slot 41 to move the connector 331 in the speed change slot 351 until the driving gear 33 is meshed with the driven wheel 36, and the adjusting knob 31 is pressed in the direction close to the housing 4 to make the connector 331 enter the bearing hole 352, and the adjusting knob 31 is turned to make the driving gear 33 drive the driven wheel 36 to rotate, thereby driving the double gear ring 32 to rotate, and the rack 34 moves up and down, thereby achieving the coarse adjustment of the alignment component 1; move in the direction away from the housing 4 Adjust the knob 311 to make the connector 331 leave the bearing hole 352, move the adjusting knob 31 in the through slot 41, move the connector 331 in the speed slot 351 until the active gear 33 is meshed with the double gear ring 32, press the adjusting knob 31 in the direction close to the housing 4 to make the connector 331 enter the bearing hole 352, turn the adjusting knob 31 to make the active gear 33 drive the double gear ring 32 to rotate, and make the rack 34 move up and down with an amplitude smaller than that of coarse adjustment, and adjust the alignment component 1 until the alignment tip 11 contacts the reference line, thereby achieving fine adjustment of the alignment component 1.

[0064] Example 3

[0065] This embodiment provides a line reference conversion device, such as Figure 8 As shown, the difference from Embodiment 1 and Embodiment 2 is that the clamping column 51 is configured as a height-adjustable structure.

[0066] Exemplarily, the clamping column 51 includes an outer column 511, an inner column 512 and an adjusting screw 513. The outer column 511 is connected to the placement plate 5, the inner column 512 is arranged in the outer column 511, the clamping plate is connected to the inner column 512, the inner column 512 can move along the outer column 511, and is fixed by the adjusting screw 513, so that the placement height of the workpiece 6 can be adjusted according to the processing needs. The adjusting screw 513 is threadedly connected to the inner column 512 and the outer column 511. When the adjusting screw 513 is loosened, the inner column 512 can move along the outer column 511, so as to adjust the height of the clamping column 51; when the adjusting screw 513 is tightened, the position of the inner column 512 is fixed, so as to fix the height of the clamping column 51. The adjusting screw 513 is a prior art and will not be described in detail here.

[0067] Preferably, scales are provided on the inner column 512 and the outer column 511 to improve the accuracy of adjusting the clamping column 51 .

[0068] Preferably, an adjustment groove 52 is provided on the placement plate 5, a ball screw 521 is provided in the adjustment groove 52, the clamping column 51 also includes an adjustment block 514, the adjustment block 514 is provided in the adjustment groove 52, and is connected to the ball screw 521. The adjustment block 514 can be moved along the adjustment groove 52 through the ball screw 521, so that the position of the clamping column 51 can be adjusted according to the shape of the workpiece 6, thereby realizing the fixation of workpieces 6 of different shapes, thereby increasing the versatility and adaptability of the line reference conversion device.

[0069] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by any technician familiar with the technical field within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention.

Claims

1. A line reference conversion device, characterized in that: The invention comprises an alignment component (1), a fixing component (2), an adjustment component (3), a shell (4) and a placement plate (5); the alignment component (1), the fixing component (2) and the adjustment component (3) are connected to the shell (4); the shell (4) is connected to the placement plate (5); the adjustment component (3) is used to adjust the alignment component (1); and the placement plate (5) is used to place a workpiece (6).

2. The line reference conversion device according to claim 1, characterized in that: The alignment component (1) comprises an alignment tip (11), a reference platform (12), a slide (13) and a fixing plate (14); the alignment tip (11) is arranged on the slide (13); the fixing plate (14) covers the alignment tip (11) and is connected to the fixing component (2); the fixing plate (14) cooperates with the slide (13) to limit the position of the alignment tip (11) so that the alignment tip (11) can move along the slide (13).

3. The line reference conversion device according to claim 2, characterized in that: The adjustment assembly (3) comprises a double gear ring (32), a driving gear (33) and a rack (34); the rack (34) is connected to the slide (13); the outer ring of the double gear ring (32) is connected to the rack (34); and the inner ring of the double gear ring (32) is connected to the driving gear (33).

4. The line reference conversion device according to claim 2, characterized in that: A slider is provided on the surface of the alignment tip (11) in contact with the slide table (13), and a slide rail is provided on the surface of the slide table (13) in contact with the alignment tip (11). The slider cooperates with the slide rail so that the alignment tip (11) can move along the slide table (13).

5. The line reference conversion device according to claim 2, characterized in that: The reference platform (12) is connected to the alignment tip (11); a reference surface (121) is provided on the reference platform (12); the reference surface (121) and the tip of the alignment tip (11) are coplanar in the horizontal direction.

6. The line reference conversion device according to claim 2, characterized in that: The alignment assembly (1) further comprises a fixing screw, and a fixing hole (111) is provided on the alignment tip (11), and the fixing screw can pass through the fixing plate (14) and be connected to the fixing hole (111).

7. The line reference conversion device according to claim 2, characterized in that: The fixing assembly (2) comprises a fixing platform (21) and locking bolts (22), and the fixing platform (21) is arranged at two ends of the sliding platform (13).

8. The line reference conversion device according to claim 7, characterized in that: The locking bolt (22) passes through the fixing platform (21) and is used to fix the position of the sliding platform (13).

9. The line reference conversion device according to claim 8, characterized in that: A guide rail is arranged on the fixed platform (21), and a moving block is arranged on the sliding platform (13), and the moving block can move along the guide rail.

10. The line reference conversion device according to claim 8 or 9, characterized in that: An elastic material is provided at the position where the locking bolt (22) contacts the slide table (13).

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