CN117620721A - Clamping tool for machining installation hole of slewing bearing - Google Patents
Clamping tool for machining installation hole of slewing bearing Download PDFInfo
- Publication number
- CN117620721A CN117620721A CN202311843936.6A CN202311843936A CN117620721A CN 117620721 A CN117620721 A CN 117620721A CN 202311843936 A CN202311843936 A CN 202311843936A CN 117620721 A CN117620721 A CN 117620721A
- Authority
- CN
- China
- Prior art keywords
- joint block
- block
- workpiece
- movable joint
- loose joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009434 installation Methods 0.000 title claims description 4
- 238000003754 machining Methods 0.000 title abstract description 12
- 238000003825 pressing Methods 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 7
- 238000005056 compaction Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to a swivel bearing mounting hole machining clamping tool, which comprises: the upper movable joint block, the lower movable joint block, the movable joint shaft, a screw rod, a pressing plate and a nut which are arranged in the upper movable joint block; the lower part of the upper loose joint block is provided with an extension part, the upper part of the lower loose joint block is provided with a slot structure matched with the extension part of the upper loose joint block, and the extension part of the upper loose joint block is matched and inserted into the slot of the lower loose joint block and hinged through a loose joint shaft; the upper end face of the upper movable joint block is provided with an internal threaded hole, a screw rod is in threaded connection with the internal threaded hole of the upper movable joint block, a pressing plate is arranged on the screw rod, and a nut is arranged on the screw rod positioned at the upper part of the pressing plate; the position of the large-diameter bearing on the numerical control drilling machine can be changed through the movement of the bottom moving seat, so that the positioning is accurate, and the product quality is ensured; radial positioning and compaction are carried out on the bearing through a tool top pressing plate; the tool adopts a loose joint mode, so that the tool shape is changed before and after processing, repeated disassembly is not needed, and the operation is convenient; the difficult problem of tight frock of dismouting clamp repeatedly during drilling processing is solved.
Description
Technical Field
The invention relates to auxiliary equipment for machining a mounting hole of a rotary bearing, in particular to a clamping tool for machining the mounting hole of the rotary bearing, and belongs to the field of bearing machining.
Background
The turntable bearing mounting hole is formed in the numerical control drilling machine, and when the turntable bearing mounting hole clamps the bearing, the machining efficiency is affected due to repeated mounting and dismounting of the clamping tool; in the concrete embodiment, as the original tool is required to be provided with the supporting screw for clamping when the bearing is clamped, the bearing needs to be disassembled after the processing is completed, and the disassembly is too frequent; the supporting screw is high (higher than the upper end face of the workpiece after being arranged on the drilling machine) and can be removed directly to horizontally remove the processed workpiece; the operation is very inconvenient and is unfavorable for processing.
Disclosure of Invention
In view of the problems that the clamping tool needs to be repeatedly disassembled and is troublesome to operate, the invention aims to provide the clamping tool for machining the installation hole of the rotary bearing, and the clamping tool adopts a loose joint mode and performs positioning and clamping on the large-diameter rotary bearing through the bottom movable seat and the top pressing plate without repeated disassembly so as to facilitate drilling machining of the large-diameter rotary bearing by a numerical control drill.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: clamping frock is processed to swivel bearing mounting hole includes: the upper movable joint block, the lower movable joint block, the movable joint shaft, a screw rod, a pressing plate and a nut which are arranged in the upper movable joint block; the lower part of the upper loose joint block is provided with an extension part, the upper part of the lower loose joint block is provided with a slot structure matched with the extension part of the upper loose joint block, and the extension part of the upper loose joint block is matched and inserted into the slot of the lower loose joint block and hinged through a loose joint shaft; the upper end face of the upper movable joint block is provided with an internal threaded hole, the screw rod is in threaded connection with the internal threaded hole of the upper movable joint block, the screw rod is provided with a pressing plate, and the screw rod positioned at the upper part of the pressing plate is provided with a nut; the position of the pressing plate on the screw is limited by adjusting the nut, so that the pressing plate is pressed on the end face of the workpiece, and positioning and clamping are realized;
further, the extending part of the upper movable joint block and the slot arm of the lower movable joint block are correspondingly provided with shaft holes matched with the movable joint shaft in size, the movable joint shaft penetrates through two sides of the lower movable joint block and extends outwards relative to the two sides, and the positions of the movable joint shaft at two sides of the lower movable joint block are fixedly connected through check rings; the check ring has the effect of fixing the loose joint shaft;
the upper loose joint block is hinged with the lower loose joint block, so that the upper loose joint block can rotate clockwise or anticlockwise relative to the lower loose joint block by taking the loose joint shaft as a rotation center;
further, the rotation range of the upper movable joint block relative to the lower movable joint block is 0-90 degrees; when the upper movable joint block rotates to an angle of 0 degrees with the plane, the screw rod in the upper movable joint block is in a horizontal falling state; when the upper movable joint block reversely rotates to 90 degrees with the plane angle, the screw rod in the upper movable joint block is in a vertical state, and the workpiece is clamped by adjusting the height of the pressing plate in the vertical state; after the machining is finished, the state of the tool is adjusted to be in a horizontal and inverted state, so that the displacement of a machined workpiece is facilitated, and the disassembly is not needed;
further, the screw adjusts the position of the screw in the upper movable joint block according to the end surface height of the workpiece to be positioned, and the screw is fixed after the proper position is adjusted;
further, the length of the screw rod is at least longer than the height between the two end surfaces of the workpiece;
further, a spanner connecting block is arranged at the top end of the screw rod and is used for being matched with a spanner to realize the rotation operation of the screw rod;
further, a threaded connection part is arranged at the bottom of the lower movable joint block; the lower loose joint block is connected with a bottom moving seat arranged on the workbench through a threaded connection part at the bottom;
further, the bottom movable seat is connected to the processing platform in a sliding manner; the clamping tool is used for positioning workpieces with different diameters through sliding of the bottom moving seat on the processing platform.
The clamping tool is also provided with the adjusting cushion block in a matching way, and the workpiece is positioned and clamped by the adjusting cushion block matched with the clamping tool, so that the phenomenon that positioning and pressing cannot be realized due to unbalanced force application when the pressing plate presses the workpiece is prevented, and the clamping tool has the functions of supporting the pressing plate and balancing the pressing force of the pressing plate;
further, the adjusting cushion block is of a height-adjustable structure, when in use, the lower end face of the adjusting cushion block is contacted with the upper end face of the bottom moving seat, the upper end face of the adjusting cushion block is supported on the lower end face of the pressing plate, and the use height of the adjusting cushion block is adjusted according to the final positioning height of the pressing plate;
the adjusting cushion block comprises: the bottom fixing block and the adjusting seat are spirally connected to the bottom fixing block, and the adjusting seat can move up and down relative to the bottom fixing block so as to realize an adjustable function; when in use, the upper end surface of the adjusting seat is contacted and matched with the lower end surface of the pressing plate.
The using method of the clamping tool adopting the structure is as follows:
firstly, placing a bearing ring on a processing platform, adjusting a tool to be in a vertical state after aligning a workpiece, and connecting a loose joint screw below the tool in a bottom movable seat; positioning the workpiece through the movement of the bottom moving seat; then adjusting the screw rod in the upper loose joint according to the height of the workpiece to ensure that the screw rod meets the height of the end face of the workpiece; placing a pressing plate on the upper end surface of a workpiece, adjusting the height of the workpiece by using an adjusting cushion block, and then tightly pressing the pressing plate by screwing a nut so as to fixedly clamp the workpiece; after the workpiece mounting hole is machined, the tool is adjusted to be in a horizontal placement state, so that the workpiece can be directly horizontally displaced and sent out without disassembling the tool;
when the tool is used, the inner diameter of the workpiece is changed, the working number is uniformly set to 2-4 along the circumferential direction of the workpiece, and the workpiece is ensured to be uniformly positioned and clamped.
The technical scheme of the invention has the beneficial effects that:
the position of the large-diameter bearing on the numerical control drilling machine can be changed through the movement of the bottom moving seat, so that the positioning is accurate, and the product quality is ensured; radial positioning and compaction are carried out on the bearing through a tool top pressing plate; the tool adopts a loose joint mode, so that the tool shape is changed before and after processing, repeated disassembly is not needed, and the operation is convenient; the difficult problem of repeated disassembly and assembly of the clamping tool during drilling processing is solved; meanwhile, the movable connection mode is adopted, so that the tool parts are convenient to locally detach and replace, and the maintenance and replacement cost is saved; the limitation of the tool is simplified, and the production requirement is met.
Drawings
Fig. 1 is a structural diagram of a clamping fixture for processing a mounting hole of a slewing bearing.
Fig. 2 is a side view of fig. 1.
Fig. 3 is an assembly use diagram of the tooling of fig. 1.
In the figure, 1, an upper movable joint block, 2, a lower movable joint block, 3, a movable joint shaft, 4, a screw rod, 5, a pressing plate, 6, a nut, 7, a retainer ring, 8, a spanner connecting block, 9, a threaded connecting part, 10, an adjusting cushion block, 11 and a workpiece.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
The slewing bearing mounting hole processing clamp frock as shown in fig. 1 includes: the device comprises an upper movable joint block 1, a lower movable joint block 2, a movable joint shaft 3, a screw 4 arranged in the upper movable joint block 1, a pressing plate 5 and a nut 6; the lower part of the upper loose joint block 1 is provided with an extension part, the upper part of the lower loose joint block 2 is provided with a slot structure matched with the extension part of the upper loose joint block 1, and the extension part of the upper loose joint block 1 is matched and inserted into the slot of the lower loose joint block 2 and hinged through a loose joint shaft 3; the upper end face of the upper movable joint block 1 is provided with an internal threaded hole, the screw 4 is in threaded connection with the internal threaded hole of the upper movable joint block 1, the screw 4 is provided with a pressing plate 5, and the screw 4 positioned at the upper part of the pressing plate 5 is provided with a nut 6;
the extension part of the upper movable joint block 1 and the slot arm of the lower movable joint block 2 are correspondingly provided with shaft holes matched with the movable joint shaft 3 in size, the movable joint shaft 3 penetrates through two sides of the lower movable joint block 2 and extends outwards relative to the two sides, and the positions of the movable joint shaft 3 on the two sides of the lower movable joint block 2 are fixedly connected through a check ring 7; the retainer ring 7 has the effect of fixing the loose joint shaft 3;
the rotation range of the upper movable joint block 1 relative to the lower movable joint block 2 is 0-90 degrees; when the upper movable joint block 1 rotates to an angle of 0 degrees with the plane, the screw 4 in the upper movable joint block 1 is in a horizontal falling state; when the upper movable joint block 1 reversely rotates to 90 degrees with the plane angle, the screw 4 in the upper movable joint block 1 is in a vertical state, and the workpiece is clamped by adjusting the height of the pressing plate 5 in the vertical state; after the machining is finished, the state of the tool is adjusted to be in a horizontal and inverted state, so that the displacement of a machined workpiece is facilitated, and the disassembly is not needed;
the top end of the screw 4 is provided with a spanner connecting block 8 which is used for being matched with a spanner to realize the rotation operation of the screw 4;
further, a threaded connection part 9 is arranged at the bottom of the lower movable joint block 2; the lower movable joint block 2 is connected with a bottom movable seat arranged on the processing platform through a threaded connection part at the bottom;
further, the bottom movable seat is connected to the processing platform in a sliding manner; the clamping tool is used for positioning workpieces with different diameters through sliding of the bottom moving seat on the processing platform.
The clamping tool is also provided with the adjusting cushion block 10 in a matching way, and the workpiece is positioned and clamped by the adjusting cushion block 10 matched with the clamping tool, so that the problem that positioning and clamping cannot be realized due to unbalanced force application when the pressing plate 5 compresses the workpiece is prevented;
the adjusting cushion block 10 is of a height-adjustable structure, when in use, the lower end surface of the adjusting cushion block 10 is contacted with the upper end surface of the bottom moving seat, the upper end surface of the adjusting cushion block 10 is supported on the lower end surface of the pressing plate 5, and the use height of the adjusting cushion block is adjusted according to the final positioning height of the pressing plate 5;
the adjusting pad 10 includes: the bottom fixing block and the adjusting seat are spirally connected to the bottom fixing block, and the adjusting seat can move up and down relative to the bottom fixing block so as to realize an adjustable function; when in use, the upper end surface of the adjusting seat is contacted and matched with the lower end surface of the pressing plate 5.
The using method of the clamping tool adopting the structure is as follows:
firstly, placing a bearing ring on a processing platform, adjusting a tool to be in a vertical state after aligning a workpiece, and spirally connecting a lower movable joint block 2 of the tool into a bottom movable seat; positioning the workpiece through the movement of the bottom moving seat; then, adjusting the screw 4 in the upper movable joint block 1 according to the height of the workpiece to ensure that the screw meets the height of the end face of the workpiece; the pressing plate 5 is placed on the upper end face of a workpiece, and meanwhile, the adjusting cushion block 10 is used for adjusting the height of the workpiece 11, and then the nut 6 is screwed down to press the pressing plate 5 so as to fix and clamp the workpiece; after finishing machining the mounting hole of the workpiece 11, adjusting the tooling to be in a horizontal placement state, and directly carrying out horizontal displacement and delivery on the workpiece 11 without dismantling the tooling;
when the tool is used, the inner diameter of the workpiece is set, the number of the work pieces is uniformly 4 along the circumferential direction of the workpiece, and one work piece is arranged every 90 degrees of the circumference of the workpiece, so that the workpiece is uniformly positioned and clamped.
Claims (10)
1. Clamping tool for processing installation holes of slewing bearings, which is characterized by comprising: the upper movable joint block, the lower movable joint block, the movable joint shaft, a screw rod, a pressing plate and a nut which are arranged in the upper movable joint block; the lower part of the upper loose joint block is provided with an extension part, the upper part of the lower loose joint block is provided with a slot structure matched with the extension part of the upper loose joint block, and the extension part of the upper loose joint block is matched and inserted into the slot of the lower loose joint block and hinged through a loose joint shaft; the upper end face of the upper movable joint block is provided with an internal threaded hole, the screw rod is in threaded connection with the internal threaded hole of the upper movable joint block, the screw rod is provided with a pressing plate, and the screw rod positioned at the upper part of the pressing plate is provided with a nut; the position of the pressing plate on the screw is limited by adjusting the nut, so that the pressing plate is pressed on the end face of the workpiece, and positioning and clamping are realized.
2. The slew bearing mounting hole tooling fixture of claim 1 wherein: the extension part of the upper movable joint block and the slot arm of the lower movable joint block are respectively provided with a shaft hole matched with the movable joint shaft in size, the movable joint shaft penetrates through two sides of the lower movable joint block and extends outwards relative to the two sides, and the movable joint shaft is fixedly connected with the two sides of the lower movable joint block through check rings.
3. The slew bearing mounting hole tooling fixture of claim 1 wherein: the upper loose joint block is hinged with the lower loose joint block, so that the upper loose joint block can rotate clockwise or anticlockwise relative to the lower loose joint block by taking the loose joint shaft as a rotation center.
4. The slew bearing mounting hole tooling fixture of claim 3 wherein: the rotation range of the upper loose joint block relative to the lower loose joint block is 0-90 degrees.
5. The slew bearing mounting hole tooling fixture of claim 1 wherein: the length of the screw rod is at least longer than the height between two end faces of the workpiece.
6. The slew bearing mounting hole tooling fixture of claim 1 wherein: the top end of the screw rod is provided with a spanner connecting block.
7. The slew bearing mounting hole tooling fixture of claim 1 wherein: the bottom of the lower movable joint block is provided with a threaded connecting part; the lower loose joint block is connected with a bottom movable seat arranged on the processing platform through a threaded connection part at the bottom.
8. The slew bearing mounting hole tooling fixture of claim 1 wherein: and an adjusting cushion block is also matched with the clamping tool to position and clamp the workpiece.
9. The slew bearing mounting hole tooling fixture of claim 8 wherein: the adjusting cushion block is of a height-adjustable structure, and when the adjusting cushion block is used, the lower end face of the adjusting cushion block is contacted with the upper end face of the bottom moving seat, the upper end face of the adjusting cushion block is supported on the lower end face of the pressing plate, and the using height of the adjusting cushion block is adjusted according to the final positioning height of the pressing plate.
10. The slew bearing mounting hole tooling fixture of any one of claims 1-9 wherein: the using method of the clamping tool comprises the following steps:
firstly, placing a bearing ring on a processing platform, adjusting a tool to be in a vertical state after aligning a workpiece, and connecting a loose joint screw below the tool in a bottom movable seat; positioning the workpiece through the movement of the bottom moving seat; then adjusting the screw rod in the upper loose joint according to the height of the workpiece to ensure that the screw rod meets the height of the end face of the workpiece; placing a pressing plate on the upper end surface of a workpiece, adjusting the height of the workpiece by using an adjusting cushion block, and then tightly pressing the pressing plate by screwing a nut so as to fixedly clamp the workpiece; after finishing the processing of the workpiece mounting hole, the tooling is adjusted to be in a horizontally placed state, and the workpiece can be directly horizontally displaced and sent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311843936.6A CN117620721A (en) | 2023-12-29 | 2023-12-29 | Clamping tool for machining installation hole of slewing bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311843936.6A CN117620721A (en) | 2023-12-29 | 2023-12-29 | Clamping tool for machining installation hole of slewing bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117620721A true CN117620721A (en) | 2024-03-01 |
Family
ID=90030637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311843936.6A Pending CN117620721A (en) | 2023-12-29 | 2023-12-29 | Clamping tool for machining installation hole of slewing bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117620721A (en) |
-
2023
- 2023-12-29 CN CN202311843936.6A patent/CN117620721A/en active Pending
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