CN216801700U - High-precision position-adjustable and double-side-locking spindle structure - Google Patents
High-precision position-adjustable and double-side-locking spindle structure Download PDFInfo
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- CN216801700U CN216801700U CN202123124039.9U CN202123124039U CN216801700U CN 216801700 U CN216801700 U CN 216801700U CN 202123124039 U CN202123124039 U CN 202123124039U CN 216801700 U CN216801700 U CN 216801700U
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Abstract
The spindle structure with adjustable high-precision position and double-sided locking comprises a spindle box body and a spindle, wherein the spindle is arranged in a spindle hole on the spindle box body; a flange sleeve and a main shaft flange are sequentially arranged between the main shaft hole and the main shaft, the flange sleeve is fixedly arranged in the main shaft hole on the main shaft box body, and the flange edge at one end is fixed with the main shaft box body through a sleeve bolt; the main shaft flange is positioned in the flange sleeve, a gap is reserved between the main shaft flange and the flange sleeve, a fixed block is fixed on the end face of the flange sleeve through a first fixing bolt, an adjusting pad is arranged between the fixed block and the side edge of the flange end of the main shaft flange, the fixed block, the adjusting pad and the main shaft flange are fixed through a second fixing bolt, and the fixed block, the adjusting pad and the second fixing bolt are divided into two groups and vertically distributed along the end face of the main shaft flange; a movable sleeve is fixedly sleeved at the non-flange end of the main shaft flange and fixedly connected with the side surface of the flange sleeve through a rear bolt. The distance between the main shafts is adjustable, the structure is simple, and the assembly precision and the machining precision are ensured.
Description
Technical Field
The utility model relates to a main shaft structure of a multi-main-shaft machine tool, in particular to a main shaft structure with adjustable high-precision position and double-sided locking.
Background
The existing machine tool main shaft is arranged in a main shaft hole on a main shaft box body through a bearing, and in order to improve the machining efficiency of a machine tool, the main shaft box of the machine tool is generally provided with a plurality of main shafts, and multiple shafts are machined simultaneously. When multiple shafts are processed simultaneously, the relative position precision between the main shafts directly influences the final processing precision of the workpiece. The precision of the relative position between the main shafts is influenced by the hole pitch precision and the assembly precision of the main shaft box, particularly for workpieces with high-precision spacing requirements, the machining precision requirements are difficult to achieve, and the spacing between the main shafts cannot be adjusted.
Disclosure of Invention
The utility model aims to provide a main shaft structure which has the advantages of adjustable distance between main shafts of a multi-main-shaft machine tool, simple structure, convenient adjustment, high-precision position adjustment for ensuring assembly precision and machining precision and double-side locking, and overcomes the defects of the prior art.
The utility model relates to a spindle structure with adjustable high-precision position and double-sided locking, which comprises a spindle box body and a spindle, wherein the spindle is arranged in a spindle hole on the spindle box body through a bearing; a flange sleeve and a main shaft flange are sequentially arranged between a main shaft hole of the main shaft box body and a main shaft, the flange sleeve is fixedly arranged in the main shaft hole on the main shaft box body, and the flange edge at one end is fixed with the main shaft box body through a sleeve bolt; the main shaft flange is positioned in the flange sleeve, a gap is reserved between the main shaft flange and the flange sleeve, a fixed block is fixed on the end face of the flange sleeve through a first fixing bolt, an adjusting pad is arranged between the fixed block and the side edge of the flange end of the main shaft flange, the fixed block, the adjusting pad and the main shaft flange are fixed through a second fixing bolt, and the fixed block, the adjusting pad and the second fixing bolt are divided into two groups and are vertically distributed along the end face of the main shaft flange; a movable sleeve is fixedly sleeved at the non-flange end of the main shaft flange and is fixedly connected with the side surface of the flange sleeve through a rear bolt.
And a positioning pin is arranged between the fixed block and the end surface of the flange sleeve.
The utility model relates to a high-precision position-adjustable and double-sided locking main shaft structure, which is characterized in that a flange sleeve is installed on a main shaft box body through a sleeve bolt during installation, a main shaft flange is pre-installed (not screwed) into the flange sleeve through a front bolt, a movable sleeve is pre-installed on the flange sleeve through a rear bolt, the main shaft flange is in large clearance fit with the flange sleeve, the X/Y coordinate of the main shaft flange is finely adjusted through the thickness change of two adjusting pads, namely the position of the main shaft flange in the inner diameter direction of the flange sleeve, in the process of adjusting the main shaft flange, the rear end of a main shaft is connected with a transmission box through a coupler, the coupler absorbs the radial adjusting distance of the main shaft, the radial adjustment of the main shaft is ensured, and after the position precision adjustment is completed, the front bolt and the rear bolt are locked, so that the double-sided locking of the main shaft is completed. The spindle has the advantages of radial adjustability of the spindle, simple structure and convenience in spindle adjustment and locking, reduces the cost for high-precision pitch machining of the spindle box body, improves the position precision of the spindle, and particularly solves the problem of the position precision of simultaneous machining of a plurality of spindles. Meanwhile, the main shaft locking structure of the unit is double-sided locking, so that the locking strength of the main shaft is improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of the direction K shown in fig. 1.
Detailed Description
As shown in fig. 1 and 2: the utility model relates to a high-precision position-adjustable and double-side-locking spindle structure, which comprises a spindle box body 6 and a spindle 11. The main shaft 11 is mounted in a main shaft hole on the main shaft box 6 through a bearing.
A flange sleeve 2 and a main shaft flange 1 are sequentially arranged between a main shaft hole of a main shaft box 6 and a main shaft 11. The flange sleeve 2 is fixedly arranged in a main shaft hole on the main shaft box body 6, and the flange edge at one end of the flange is fixed with the main shaft box body 6 through a sleeve bolt 9.
The main shaft flange 1 is positioned in the flange sleeve 2, and a gap is reserved between the outer surface of the main shaft flange 1 and the surface of an inner hole of the flange sleeve 2. A fixed block 12 is fixed on the end face of the flange sleeve 2 through a first fixing bolt 21, an adjusting pad 3 is arranged between the fixed block 12 and the flange end side edge of the spindle flange 1, and the fixed block 12, the adjusting pad 3 and the spindle flange 1 are fixed through a second fixing bolt 15. And a positioning pin 16 for positioning is arranged between the fixing block 12 and the end surface of the flange sleeve 2. The second fixing bolt 15 and the positioning pin 16 are both two. The fixed blocks 12, the adjusting pads 3 and the second fixing bolts 15 are divided into two groups and vertically distributed along the end surface of the spindle flange 1. A movable sleeve 10 is fixedly sleeved at the non-flange end of the main shaft flange 1, and the movable sleeve 10 is fixedly connected with the side surface of the flange sleeve 2 through a rear bolt 5.
The utility model relates to a high-precision position-adjustable and double-sided locking main shaft structure, when in installation, a flange sleeve 2 is firstly installed on a main shaft box body 6 through a sleeve bolt 9, a main shaft flange 1 is pre-installed (not screwed) in the flange sleeve 2 through a front bolt 7, meanwhile, the movable sleeve 10 is pre-installed on the flange sleeve 2 through the rear bolt 5, the main shaft flange 1 is in large clearance fit with the flange sleeve 2, the X/Y coordinates of the spindle flange 1 are finely adjusted by the thickness change of the two adjusting pads 3, namely the position of the main shaft flange 1 in the inner hole of the flange sleeve 2 in the radial direction, in the process of adjusting the main shaft flange 1, the rear end of the main shaft 11 is connected with the transmission case through the coupler 4, the coupler 4 absorbs the radial adjustment distance of the main shaft 11, the radial adjustment of the main shaft 11 is guaranteed, and after the position precision adjustment is completed, the front bolt 7 and the rear bolt 5 are locked, so that the double-sided locking of the main shaft 11 is completed. The front end of the main shaft 11 is sleeved with a front bearing cover 20 and fixed with the main shaft flange 1 through an end cover bolt 8. The rear end of the main shaft 11 is sleeved with a rear bearing cover 19. The spindle has the advantages of radial adjustability of the spindle, simple structure and convenience in spindle adjustment and locking, reduces the cost for high-precision pitch machining of the spindle box body, improves the position precision of the spindle, and particularly solves the problem of the position precision of simultaneous machining of a plurality of spindles. Meanwhile, the main shaft locking structure of the unit is double-sided locking, so that the locking strength of the main shaft is improved.
Claims (2)
1. A high-precision position-adjustable and double-sided-locking main shaft structure comprises a main shaft box body (6) and a main shaft (11), wherein the main shaft (11) is arranged in a main shaft hole in the main shaft box body (6) through a bearing; the method is characterized in that: a flange sleeve (2) and a main shaft flange (1) are sequentially arranged between a main shaft hole of a main shaft box body (6) and a main shaft (11), the flange sleeve (2) is fixedly arranged in the main shaft hole on the main shaft box body (6), and the flange edge at one end is fixed with the main shaft box body (6) through a sleeve bolt (9); the spindle flange (1) is positioned in the flange sleeve (2), a gap is reserved between the spindle flange (1) and the flange sleeve (2), a fixing block (12) is fixed on the end face of the flange sleeve (2) through a first fixing bolt (21), an adjusting pad (3) is arranged between the fixing block (12) and the flange end side of the spindle flange (1), the fixing block (12), the adjusting pad (3) and the spindle flange (1) are fixed through a second fixing bolt (15), and the fixing block (12), the adjusting pad (3) and the second fixing bolt (15) are divided into two groups and are vertically distributed along the end face of the spindle flange (1); a movable sleeve (10) is fixedly sleeved at the non-flange end of the main shaft flange (1), and the movable sleeve (10) is fixedly connected with the side surface of the flange sleeve (2) through a rear bolt (5).
2. The spindle structure with high precision and adjustable position and double-sided locking as claimed in claim 1, wherein: and a positioning pin (16) is arranged between the fixing block (12) and the end surface of the flange sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123124039.9U CN216801700U (en) | 2021-12-14 | 2021-12-14 | High-precision position-adjustable and double-side-locking spindle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123124039.9U CN216801700U (en) | 2021-12-14 | 2021-12-14 | High-precision position-adjustable and double-side-locking spindle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216801700U true CN216801700U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123124039.9U Active CN216801700U (en) | 2021-12-14 | 2021-12-14 | High-precision position-adjustable and double-side-locking spindle structure |
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| Country | Link |
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| CN (1) | CN216801700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309678A (en) * | 2021-12-14 | 2022-04-12 | 大连沅泓机械有限公司 | High-precision position-adjustable and double-side-locking spindle structure |
-
2021
- 2021-12-14 CN CN202123124039.9U patent/CN216801700U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309678A (en) * | 2021-12-14 | 2022-04-12 | 大连沅泓机械有限公司 | High-precision position-adjustable and double-side-locking spindle structure |
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