Headstock device and machining center

Abstract

The utility model relates to the field of machine tool structures, in particular to a headstock device and a machining center, which comprises a spindle mounting portion, an adjusting block and an adjusting piece, the spindle mounting portion used for being mounted on a sliding plate is arranged and can slightly move on the sliding plate, a spindle is inserted into a spindle mounting position on the spindle mounting portion, and the spindle mounting position can slightly move on the sliding plate. The adjusting block is arranged on the side edge of the main shaft mounting part, the adjusting piece penetrates through the adjusting block to abut against the main shaft mounting part, and the main shaft mounting part is driven by the adjusting piece to slightly move on the sliding plate, so that the position precision of the main shaft and the machined part meets the needed machining precision requirement.

Description

Technical Field

[0001] The utility model relates to the field of machine tool structures, in particular to a machine head base device and a machining center. Background Art

[0002] In order to improve processing efficiency, multi-head precision engraving machining centers are increasingly used in the field of small hardware processing, such as the processing of mobile phone camera brackets, buttons, and mobile phone middle frames. In order to further improve processing efficiency, it is necessary to reduce the processing steps of parts. At this time, the application scenario of multi-head machines with the fourth axis 100 came into being. Figure 1 The spindle is installed on the slide. When the fourth axis 100 rotates, the coordinates of the parts in space will be transformed. In order to meet the precision requirements of the parts processing size, it is required to control the spindle spacing of the multi-head machine (taking the gantry structure precision engraving machining center as an example, the front-to-back and left-to-right spacing between the spindles) and the fourth axis 100 spacing. For example, the head spacing must be controlled within ±0.01mm. Under the influence of the cumulative error of part precision, it is difficult to ensure the spindle spacing requirement of ±0.01mm, and it will also consume a lot of man-hours, which will affect the output and increase the assembly cost.

[0003] In order to meet the precision requirements of part processing dimensions, it is necessary to ensure the positional accuracy requirements between the processing spindle and the part. However, after the existing processing spindle is assembled, it is impossible to make slight position adjustments again so that the spindle and the part meet the required positional accuracy requirements after the position changes.

[0004] Therefore, the prior art still has deficiencies and needs to be improved. Utility Model Content

[0005] In order to solve the above problems, the purpose of the utility model is to provide a headstock device, which can make the spindle and the parts after the position change meet the required position accuracy requirements by slightly adjusting the position of the spindle mounting part.

[0006] The purpose of this utility model is achieved through the following technical solutions:

[0007] The utility model provides a multi-headstock device, comprising:

[0008] skateboard;

[0009] A spindle mounting portion is mounted on the slide plate in an adjustable position, and a spindle mounting position for mounting the spindle is provided on the spindle mounting portion;

[0010] An adjustment block is arranged on the slide plate and is located at one side of the spindle mounting portion, and the adjustment block is used to adjust the position of the spindle mounting portion;

[0011] Solid filling glue is filled between the spindle mounting part and the slide plate.

[0012] In one embodiment, the spindle mounting portion includes a plate structure and a column structure disposed on the plate structure, and the shaft mounting position is a shaft hole penetrating through the column structure;

[0013] The adjustment block is arranged in parallel with the plate structure of the main shaft installation part. An adjustment hole is arranged on the adjustment block. The adjustment piece passing through the adjustment hole is used to adjust the position of the main shaft installation part.

[0014] In one embodiment, an opening structure is provided on one side of the column structure away from the plate structure, and the opening structure is arranged along the axis of the column structure; the two sides of the opening structure correspond to the first half cylinder and the second half cylinder, and the first half cylinder and the second half cylinder are locked by a fastening structure.

[0015] In one embodiment, a first extension portion and a second extension portion are correspondingly extended on both sides of the plate structure in a direction away from the column structure, and the first extension portion and the second extension portion are parallel to the axis of the shaft hole; a first pre-tightening screw hole and a first fastening screw hole are provided on the first extension portion and the second extension portion, a second pre-tightening screw hole matching with the first pre-tightening screw hole is provided on the slide plate, and a second fastening screw hole matching with the first fastening screw hole is provided on the slide plate; the plate structure is pre-tightened by the cooperation of the first pre-tightening screw hole and the second pre-tightening screw hole, and the plate structure is fastened by the first fastening screw hole and the second fastening screw hole.

[0016] In one embodiment, two or more first pre-tightening screw holes on the first extension portion and the second extension portion are evenly arranged along the axial direction of the shaft hole, and three or more first fastening screw holes on the first extension portion and the second extension portion are evenly arranged along the axial direction of the shaft hole.

[0017] In one embodiment, the plate structure has a third extension portion extending along the axial direction of the column structure, and the third extension portion is provided with an arc-shaped recess matching the column structure, and the arc-shaped recess is coaxially arranged with the axial hole.

[0018] In one embodiment, adjustment blocks are provided on both sides of the main shaft mounting portion, and adjustment holes are arranged at both upper and lower ends of the adjustment blocks.

[0019] In one embodiment, when the spindle mounting portion is in a pre-tightened state attached to the slide plate, a glue filling space is formed between the slide plate and the spindle mounting portion, and the solid filling glue is arranged in the glue filling space.

[0020] In one embodiment, the slide plate includes a first connecting surface, and the spindle mounting portion includes a second connecting surface. An annular sealing groove for setting an annular sealing strip is provided on the first connecting surface or the second connecting surface, and the annular sealing strip is pressed against the slide plate and the spindle mounting portion to form a glue filling space.

[0021] A machining center comprises a base and a crossbeam arranged on the base, wherein the crossbeam is provided with any one of the above-mentioned machine head seat devices.

[0022] The beneficial effects of the utility model are as follows: a spindle mounting part for being installed on a slide plate is provided, the spindle mounting part can move slightly on the slide plate, the spindle is inserted into the shaft mounting position on the spindle mounting part, an adjustment block is provided on the side of the spindle mounting part, the adjustment member passes through the adjustment block and abuts against the spindle mounting part, and the spindle mounting part is driven by the adjustment member to move slightly on the slide plate, so that the position accuracy of the spindle and the processed parts meets the required processing accuracy requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0024] Figure 1 It is a structural schematic diagram of the prior art;

[0025] Figure 2 It is a structural schematic diagram of the headstock device of the utility model;

[0026] Figure 3 It is a schematic diagram of the assembly of the headstock device of the utility model;

[0027] Figure 4 It is a structural schematic diagram of the main shaft installation part of the utility model.

[0028] The accompanying drawings are denoted as follows:

[0029] 100 - fourth axis;

[0030] 1-spindle mounting portion, 2-adjusting block, 3-adjusting member, 4-slide plate, 5-axial hole, 6-spindle, 7-adjusting hole, 8-opening structure, 9-first semi-cylinder, 10-second semi-cylinder, 11-first extension portion, 12-second extension portion, 13-third extension portion, 14-first pre-tightening screw hole, 15-first fastening screw hole, 16-arc-shaped depression, 17-annular sealing groove, 18-annular sealing strip. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0032] refer to Figures 2 to 3A headstock device according to an embodiment of the utility model comprises a slide plate 4, a spindle mounting portion 1 and an adjustment structure, wherein the adjustment structure comprises an adjustment block 2 and an adjustment member 3, the spindle mounting portion 1 is used to be movably mounted on the slide plate 4, and the spindle mounting portion 1 is provided with a shaft mounting position for mounting the spindle 6. The adjustment block 2 is detachably arranged on the slide plate 4, and the adjustment block 2 is located at the side of the spindle mounting portion 1 and is arranged parallel to the spindle mounting portion 1, an adjustment hole 7 is arranged on the adjustment block 2, and the adjustment member 3 passes through the adjustment hole 7 and abuts against the spindle mounting portion 1, and the spindle mounting portion 1 is driven to move slightly on the slide plate 4 through the adjustment member 3, so that the position accuracy of the spindle 6 and the processed parts meets the required processing accuracy requirements. Solid filling glue is filled between the spindle mounting part 1 and the slide plate 4. The spindle mounting part 1 is pre-tightened on the slide plate 4. When the spindle mounting part 1 is not completely tightened, the position of the spindle mounting part 1 in the Y direction can be adjusted until the spindle mounting part 1 is adjusted to a suitable position, and then the solid filling glue is used to fill the space between the spindle mounting part 1 and the slide plate 4. After the solid filling glue solidifies, the position of the spindle mounting part 1 is basically fixed.

[0033] For example, when the position of the spindle 6 needs to be adjusted, the spindle mounting part 1 is pushed by the adjusting member 3, so that the spindle mounting part 1 moves slightly along the force direction of the adjusting member 3, and the position of the spindle 6 set on the spindle mounting part 1 is slightly moved by pushing the spindle mounting part 1, thereby changing the position relationship of the spindle 6, so that the position relationship between the spindle 6 and the processed part meets the required accuracy requirements. For a machining center with multiple machine heads, the spindle mounting part 1 is installed on each slide 4, and then the position of each spindle 6 can be slightly adjusted by adjusting the structure.

[0034] In addition, solid filling glue is suitable for adjusting gaps of various shapes. When the spindle mounting part 1 is installed on the skateboard, the spindle mounting part 1 is in a pre-tightened state. The gap between the spindle mounting part 1 and the skateboard 4 is adjusted first. After the relative position between the spindle mounting part 1 and the skateboard 4 is adjusted, the gap between the spindle mounting part 1 and the skateboard 4 is filled with solid filling glue. After the solid filling glue cools, the position between the spindle mounting part 1 and the skateboard 4 is relatively fixed, thereby ensuring the connection stability between the spindle mounting part and the skateboard.

[0035] In one embodiment, reference Figures 2 to 4 The spindle mounting part 1 includes a plate structure and a column structure. The column is processed and arranged on one side of the plate structure. The spindle mounting part 1 is installed on the slide plate 4 through the plate structure. An axis mounting position is arranged on the column structure. The spindle mounting position is an axis hole 5. The axis hole 5 is arranged through along the axis direction of the column structure. The spindle 6 is inserted into the axis hole 5.

[0036] The adjustment block 2 is arranged parallel to the plate structure of the spindle mounting part 1, and an adjustment hole 7 is arranged on the adjustment block 2. When the position of the spindle mounting part 1 needs to be adjusted, the adjustment member 3 is used to pass through the adjustment hole 7, and the spindle mounting part 1 in the pre-tightened state is forced by the adjustment member 3, thereby pushing the spindle mounting part 1 to move slightly along the direction of the force applied by the adjustment member 3.

[0037] In one embodiment, reference Figures 2 to 4 , an opening structure 8 is provided on the side of the column structure away from the plate structure, and the opening structure 8 is arranged along the axis of the column structure. The opening structure 8 is a notch of the shaft installation position on the column structure, so that the column structure is divided into two parts of an arc structure, and the two parts are the first semi-cylinder 9 and the second semi-cylinder 10 corresponding to the two sides of the opening structure 8. A first screw hole is provided on the first semi-cylinder 9, and the first screw hole is arranged in the vertical direction of the axis of the column structure, and is through-set from the first semi-cylinder 9 to the second semi-cylinder 10. A second screw corresponding to the position of the first screw hole is provided on the second semi-cylinder 10, and is inserted from the first screw hole to the second screw hole through a fastening structure such as a screw, so that the first semi-cylinder 9 and the second semi-cylinder 10 are locked, and then the main shaft 6 is locked in the shaft hole 5. In addition, the first semi-cylinder 9 and the second semi-cylinder 10 can be locked to different degrees through the fastening structure as needed.

[0038] In one embodiment, reference Figures 2 to 4 A first extension portion 11 and a second extension portion 12 are provided on both sides of the plate structure, and the column structure is located between the first extension portion 11 and the second extension portion 12, and the first extension portion 11 and the second extension portion 12 are parallel to the axis of the column structure. A first pre-tightening screw hole 14 and a first fastening screw hole 15 are provided on the first extension portion 11 and the second extension portion 12, a second pre-tightening screw hole matching the first pre-tightening screw hole 14 is provided on the slide plate 4, and a second fastening screw hole matching the first fastening screw hole 15 is provided on the slide plate 4. The cooperation of the first pre-tightening screw hole 14 and the second pre-tightening screw hole plays a pre-tightening role when the plate structure is installed on the slide plate 4. After the plate structure is pre-tightened on the slide plate 4, the plate structure is fastened to the slide plate 4 through the first fastening screw hole 15 and the second fastening screw hole.

[0039] Specifically, when the plate structure is installed on the slide plate 4, the first pre-tightening screw hole 14 is aligned with the second pre-tightening screw hole, and then the fastener is inserted from the first pre-tightening screw hole 14 into the second pre-tightening screw hole. The fastener of the utility model can be selected as a screw, a screw, a bolt or a pin. According to the existing fastening principle, the diameter of the screw hole is larger than the diameter of the fastener. When the fastener and the screw hole are in a pre-tightened state, the fastener can move slightly in the screw hole along the radial direction of the screw hole; therefore, after the fastener is inserted into the first pre-tightening screw hole 14 and the second pre-tightening screw hole, the plate structure and the slide plate 4 are in a pre-tightened state, and the plate structure is in a state of being able to move slightly relative to the slide plate 4.

[0040] The spindle mounting part 1 in the pre-tightened state can be adjusted through the adjusting piece 3. After the spindle mounting part 1 is adjusted, the fastener is inserted from the first fastening screw hole 15 into the second fastening screw hole, so as to fasten the spindle mounting part 1 on the slide plate 4 to prevent it from sliding easily relative to the slide plate 4.

[0041] For further reference, Figures 2 to 4 , two or more first pre-tightening screw holes 14 are arranged on the first extension part 11 and the second extension part 12, and the first pre-tightening screw holes 14 are evenly arranged along the axial direction of the shaft hole 5, so that the spindle mounting part 1 is evenly force-set on the slide plate 4. Three or more first fastening screw holes 15 are evenly arranged along the axial direction of the shaft hole 5 on the first extension part 11 and the second extension part 12. For example, four first fastening screw holes 15 are respectively arranged on the first extension part 11 and the second extension part 12, and then fasteners are inserted into the first fastening screw holes 15 and the second fastening screw holes for fastening. Multiple fastening screw holes make the spindle mounting part 1 evenly force-set and more firmly set on the slide plate 4.

[0042] In one embodiment, reference Figures 2 to 4 The column structure is arranged on the plate structure, one side of the column structure is arranged along the edge of the plate structure, in the Z-axis direction, the length of the plate structure is greater than the column structure, and the portion of the plate structure longer than the column structure is formed as a third extension portion 13 on the plate structure, and an arc-shaped recess 16 is arranged on the third extension portion 13, the arc-shaped recess 16 and the column structure are located on the same side, and the arc-shaped recess 16 is arranged coaxially with the shaft hole 5. When the spindle 6 is inserted into the shaft hole 5 on the spindle mounting portion 1, the arc-shaped recess 16 plays a role of avoiding the spindle 6, so as to prevent the plate structure from colliding with the spindle 6.

[0043] In one embodiment, reference Figure 2 and Figure 3 , two adjustment blocks 2 are provided, and the two adjustment blocks 2 are respectively provided on both sides of the spindle mounting portion 1. When the spindle mounting portion 1 needs to be moved to the right (reference Figure 2 When fine-tuning is required in the direction (in the left direction), the adjusting member 3 provided on the adjusting block 2 on the left side applies force to the spindle mounting part 1 in the pre-tightened state, so that the spindle mounting part 1 moves slightly to the right. Similarly, when it is necessary to fine-tune the spindle mounting part 1 to the left, the adjusting member 3 on the right side adjusting block 2 is used to apply force to the left side of the spindle mounting part 1, so that the spindle mounting part 1 moves slightly to the right. The provision of the two adjustment blocks 2 facilitates adjustment of the left and right sides of the spindle mounting part 1 to adapt to the specific changes in the position of the processed parts. And on a machine tool with multiple spindles 6, the two adjustment blocks 2 are also convenient for adjusting the spacing between the spindles 6 on different slides 4.

[0044] In one embodiment, reference Figure 2 and Figure 3 Adjustment holes 7 are arranged at both upper and lower ends of the adjustment block 2. For example, adjustment holes 7 are set at the upper and lower ends of the adjustment block 2, and the force applied to the spindle mounting part 1 can be fine-tuned simultaneously through the upper and lower adjustment holes 7, so that the force applied to the spindle mounting part 1 is applied both at the upper and lower ends to avoid torque.

[0045] In one embodiment, reference Figure 2 and Figure 3 When the spindle mounting part 1 is fitted on the slide plate 4, a glue filling space is formed between the two, and the glue filling space is used to fill solid filling glue. The spindle mounting part 1 is pre-tightened on the slide plate 4. At this time, the spindle mounting part 1 is not completely tightened. In addition to adjusting the left and right sides of the spindle mounting part 1 by adjusting the structure, the position of the spindle mounting part 1 can also be adjusted in the front and rear direction (Y direction) until the spindle mounting part 1 is adjusted to a suitable position. For example, since it is in a pre-tightened state, the spindle mounting part 1 can move forward and backward along the Y-axis direction. After the position of the spindle mounting part 1 is fine-tuned, the solid filling glue can be filled in the glue filling space. Preferably, the solid filling glue is a metal repair glue. After the metal repair glue solidifies, the position of the spindle mounting part 1 is basically fixed.

[0046] In one embodiment, reference Figure 2 and Figure 3 The slide plate 4 includes a first connecting surface, and the spindle mounting part 1 includes a second connecting surface. The first connecting surface or the second connecting surface is provided with an annular sealing groove 17, and an annular sealing strip 18 is provided in the annular sealing groove 17. When the spindle mounting part 1 is installed on the slide plate 4, the annular sealing strip 18 presses between the first connecting surface and the second connecting surface, so that a glue filling space is formed between the first connecting surface and the second connecting surface.

[0047] Furthermore, an annular sealing groove 17 is provided on the slide plate 4, an annular sealing strip 18 is provided in the annular sealing groove 17, and the second connecting surface of the spindle mounting part 1 is fitted on the annular sealing strip 18, so that a glue filling space is formed between the first connecting surface and the second connecting surface.

[0048] A machining center according to an embodiment of the utility model comprises a base and a crossbeam arranged on the base, and a headstock device as described above is arranged on the crossbeam.

[0049] The above are only preferred implementations of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A headstock device, characterized in that: include: Skateboard (4); A spindle mounting portion (1) is mounted on the slide plate (4) in an adjustable manner, and a spindle mounting position for mounting a spindle (6) is provided on the spindle mounting portion (1); An adjustment block (2) is arranged on the slide plate (4) and is located on one side of the spindle mounting portion (1), and the adjustment block (2) is used to adjust the position of the spindle mounting portion (1); Solid filling glue is filled between the main shaft mounting portion (1) and the slide plate (4).

2. The headstock device according to claim 1, characterized in that: The spindle mounting portion (1) comprises a plate structure and a column structure arranged on the plate structure, and the shaft mounting position is a shaft hole (5) penetrating the column structure; The adjustment block (2) is arranged in parallel with the plate structure of the spindle mounting part (1); an adjustment hole (7) is arranged on the adjustment block (2); and an adjustment member (3) passing through the adjustment hole (7) is used to adjust the position of the spindle mounting part (1).

3. The headstock device according to claim 2, characterized in that: An opening structure (8) is provided on a side of the column structure away from the plate structure, and the opening structure (8) is arranged along the axis of the column structure; the two sides of the opening structure (8) correspond to a first semi-cylinder (9) and a second semi-cylinder (10), and the first semi-cylinder (9) and the second semi-cylinder (10) are locked by a fastening structure.

4. The headstock device according to claim 2, characterized in that: A first extension portion (11) and a second extension portion (12) are correspondingly extended from both sides of the plate structure in a direction away from the column structure, and the first extension portion (11) and the second extension portion (12) are parallel to the axis of the shaft hole (5); a first pre-tightening screw hole (14) and a first fastening screw hole (15) are provided on the first extension portion (11) and the second extension portion (12), a second pre-tightening screw hole cooperating with the first pre-tightening screw hole (14) is provided on the slide plate (4), and a second fastening screw hole cooperating with the first fastening screw hole (15) is provided on the slide plate (4); the plate structure is pre-tightened by cooperating with the first pre-tightening screw hole (14) and the second pre-tightening screw hole, and the plate structure is fastened by the first fastening screw hole (15) and the second fastening screw hole.

5. The headstock device according to claim 4, characterized in that: Two or more of the first pre-tightening screw holes (14) on the first extension portion (11) and the second extension portion (12) are evenly arranged along the axial direction of the shaft hole (5), and three or more of the first fastening screw holes (15) on the first extension portion (11) and the second extension portion (12) are evenly arranged along the axial direction of the shaft hole (5).

6. The headstock device according to claim 2, characterized in that: The plate structure is provided with a third extension portion (13) extending along the axial direction of the column structure, and the third extension portion (13) is provided with an arc-shaped recess (16) matching the column structure, and the arc-shaped recess (16) is coaxially arranged with the axial hole (5).

7. The headstock device according to claim 1, characterized in that: Adjustment blocks (2) are provided on both sides of the main shaft mounting portion (1), and adjustment holes (7) are arranged at the upper and lower ends of the adjustment blocks (2).

8. The headstock device according to any one of claims 1 to 7, characterized in that: When the spindle mounting portion (1) is in a pre-tightened state affixed to the slide plate (4), a glue filling space is formed between the slide plate (4) and the spindle mounting portion, and the solid filling glue is arranged in the glue filling space.

9. The headstock device according to claim 8, characterized in that: The slide plate (4) includes a first connecting surface, and the spindle mounting portion (1) includes a second connecting surface. An annular sealing groove (17) for arranging an annular sealing strip (18) is provided on the first connecting surface or the second connecting surface. The annular sealing strip (18) abuts against between the slide plate (4) and the spindle mounting portion (1) to form the glue filling space.

10. A machining center, comprising a base and a beam disposed on the base, characterized in that: The crossbeam is provided with a headstock device as described in any one of claims 1-9.

Images