CN220330009U - Machining positioning tool and machine tool for shaft sleeve type workpiece - Google Patents
Machining positioning tool and machine tool for shaft sleeve type workpiece Download PDFInfo
- Publication number
- CN220330009U CN220330009U CN202321479373.2U CN202321479373U CN220330009U CN 220330009 U CN220330009 U CN 220330009U CN 202321479373 U CN202321479373 U CN 202321479373U CN 220330009 U CN220330009 U CN 220330009U
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- machining
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- 238000003754 machining Methods 0.000 title claims description 25
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000003801 milling Methods 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Gripping On Spindles (AREA)
Abstract
The utility model discloses a processing and positioning tool and a machine tool for shaft sleeve type workpieces, which are used for adjusting the length of the workpiece extending into a hydraulic chuck, wherein the hydraulic chuck is arranged at a first end of a main shaft, a cavity penetrating along the axial direction of the main shaft is formed in the main shaft, the cavity is communicated with a clamping cavity of the hydraulic chuck and is coaxially distributed, the processing and positioning tool for the shaft sleeve type workpieces comprises a push rod, a locking sleeve and a guide sleeve, wherein the locking sleeve is arranged on the push rod, a through hole for penetrating the push rod is formed in the locking sleeve, the push rod, the locking sleeve, the guide sleeve and the cavity are coaxially distributed, the guide sleeve is arranged at one end of the push rod extending into the cavity and is in sliding connection with the inner wall of the main shaft, the locking sleeve is arranged at a second end of the main shaft, and the length of the push rod extending into the cavity is fixed after adjustment, so that the abutting end surface of the push rod limits the length of the workpiece extending into the hydraulic chuck; the cutter setting device is simple in structure and convenient to install, the cutter setting is not needed again in the same batch, the processing efficiency can be improved, and the size consistency of the products in the same batch is ensured.
Description
Technical Field
The utility model relates to the technical field of mechanical craftsman equipment, in particular to a processing and positioning tool for shaft sleeve workpieces. In addition, the utility model also relates to a machine tool comprising the machining positioning tool for the shaft sleeve type workpiece.
Background
The turning and milling composite machining center is a common machining machine tool in the current metal machining field, and particularly for machining shaft sleeve parts, the machining process of the parts needs to simultaneously comprise turning of an outer circle and splitting of an end face, punching of an end face center hole and machining of a radial hole, namely a thread structure; the processing elements can be processed under one cutter, so that the phase relation of each position is ensured, the consistency of mass products can be ensured, and the product interchange is realized.
In the existing processing machine tool, as shown in fig. 1, for an overlong shaft sleeve type workpiece 100, part of the entity needs to extend into the chuck, so as to avoid the workpiece 100 exceeding the processing area of the machine tool, and ensure that the tool 401 on the power turret 400 can smoothly process the workpiece 100. In order to achieve both clamping stability and clamping efficiency, a machine tool generally adopts a hydraulic chuck 200 to automatically clamp, and a claw 201 on the hydraulic chuck 200 can push and pull a workpiece 100 backwards in the clamping process, because the length of the workpiece 100 which is manually placed and stretches into the hydraulic chuck 200 is difficult to be kept consistent, the axial length of the workpiece 100 which is easily caused to stretch into the hydraulic chuck 200 is inconsistent, and further the position of the workpiece 100 relative to a cutter 401 is offset. The existing solution is to use the feeding system of the machine tool to manually adjust the position of the power turret 400 so as to reposition the machining position of the tool 401, however, the manual positioning has a large operation difficulty, and the machining precision needs to be ensured by repeated debugging, so that the machining efficiency is low.
Disclosure of Invention
The utility model provides a processing and positioning tool for shaft sleeve workpieces, which aims to solve the technical problems that when an existing machine tool clamps the shaft sleeve workpieces with overlong lengths, consistency is difficult to ensure, and the processing position of a cutter needs to be manually positioned repeatedly, so that the processing efficiency is low.
According to one aspect of the utility model, there is provided a machining and positioning tool for adjusting the length of a workpiece extending into a hydraulic chuck, the hydraulic chuck is mounted on a first end of a spindle, a cavity penetrating along the axial direction of the spindle is formed in the spindle, the cavity is communicated with a clamping cavity of the hydraulic chuck and is coaxially arranged, the machining and positioning tool for the workpiece comprises a push rod, a locking sleeve and a guide sleeve, wherein the locking sleeve is arranged on the push rod, a through hole for penetrating the push rod is formed in the locking sleeve, the push rod, the locking sleeve, the guide sleeve and the cavity are coaxially arranged, the guide sleeve is arranged on one end of the push rod extending into the cavity and is in sliding connection with an inner wall of the spindle, the locking sleeve is mounted on a second end of the spindle, and the length of the push rod extending into the cavity is adjusted and fixed, so that the length of the workpiece extending into the hydraulic chuck is limited by an abutting end face of the push rod.
Further, the ejector rod is connected into the through hole through threads.
Further, a first locking nut is connected to the ejector rod through threads, and the first locking nut is abutted to the locking sleeve to be locked on the ejector rod.
Further, an internal thread is arranged on the locking sleeve and is used for being connected with the second end of the main shaft through threads.
Further, locking screws arranged along the radial direction are arranged on the locking sleeve.
Further, the guide sleeve is connected with the ejector rod through threads.
Further, second lock nuts for preventing the guide sleeve from slipping are arranged on the ejector rod, and the two second lock nuts are respectively arranged on two sides of the guide sleeve.
Further, the abutting end face is perpendicular to the axial lead of the ejector rod.
According to another aspect of the utility model, a machine tool is provided, which comprises the machining positioning tool for shaft sleeve workpieces.
Further, a brush for blocking dust from entering the cavity is arranged at the first end of the main shaft.
The utility model has the following beneficial effects:
according to the processing and positioning tool for the shaft sleeve type workpiece, the mandrel is connected with the main shaft through the locking sleeve and the guide sleeve, so that the mandrel and the main shaft are coaxially arranged, the workpiece deviation is avoided, the precision of the mandrel abutting the workpiece is ensured, the structure is simple, and the installation is convenient; before the workpieces in the same batch are processed, after the exposed length of the workpieces is determined, the ejector rod and the guide sleeve extend into the cavity from the second end of the main shaft, so that the abutting end face of the tool abuts against the workpieces, and the locking sleeve is arranged on the second end of the main shaft; the exposed length of the workpiece relative to the claw is fixed, when the next workpiece in the same batch is replaced, the workpiece stretches into the hydraulic chuck and is tightly connected with the abutting end face, the hydraulic chuck clamps the workpiece, the length of each workpiece stretching into the hydraulic chuck is ensured to be consistent, the same batch does not need to be subjected to tool setting again, and the machining efficiency can be improved; the dimension of the workpiece in the length direction can be kept consistent, and the dimension consistency of the same batch of products is ensured; meanwhile, the turning and milling processing is one-cutter processing, so that the relative positioning of other processing elements is ensured, and the interchangeability of products is improved.
In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the structure of the present work piece extending into a hydraulic chuck;
FIG. 2 is a schematic structural view of a tooling for machining and positioning shaft sleeve type workpieces according to a preferred embodiment of the utility model;
FIG. 3 is a cross-sectional view of a tooling positioning tool for machining a sleeve-like workpiece in accordance with a preferred embodiment of the present utility model;
FIG. 4 is a schematic view of the construction of a locking sleeve according to a preferred embodiment of the present utility model;
FIG. 5 is a schematic view of the structure of a machine tool according to a preferred embodiment of the present utility model;
fig. 6 is a cross-sectional view of a machine tool according to a preferred embodiment of the present utility model.
Legend description:
100. a workpiece; 200. a hydraulic chuck; 300. a main shaft; 301. a cavity; 302. a belt wheel; 303. a bearing; 304. a spindle box; 400. a power turret; 401. a cutter; 1. a push rod; 11. abutting the end face; 2. a first lock nut; 3. a locking sleeve; 31. a through hole; 32. an abutment surface; 33. a conical surface; 34. a connection surface; 35. a guide chamber; 4. a locking screw; 5. a second lock nut; 6. guide sleeve; 7. a brush.
Detailed Description
Embodiments of the utility model are described in detail below with reference to the attached drawing figures, but the utility model can be practiced in a number of different ways, as defined and covered below.
Referring to fig. 1 to 6, the processing and positioning tool for shaft sleeve type workpieces in this embodiment is used for adjusting the length of the workpiece 100 extending into the hydraulic chuck 200, the hydraulic chuck 200 is mounted on a first end of the spindle 300, a cavity 301 penetrating along the axial direction of the hydraulic chuck 200 is formed in the spindle 300, the cavity 301 is communicated with a clamping cavity of the hydraulic chuck 200 and is coaxially arranged, the processing and positioning tool for shaft sleeve type workpieces comprises a mandrel 1, a locking sleeve 3 and a guide sleeve 6, the locking sleeve 3 and the guide sleeve 6 are arranged on the locking sleeve 3, a through hole 31 penetrating through the mandrel 1 is formed in the locking sleeve 3, the guide sleeve 6 and the cavity 301 are coaxially arranged, the guide sleeve 6 is arranged on one end of the mandrel 1 extending into the cavity 301 and is used for sliding connection with an inner wall of the spindle 300, the locking sleeve 3 is mounted on a second end of the spindle 300, and the length of the mandrel 1 extending into the cavity 301 is fixed after adjustment, so that the abutting end face 11 of the mandrel 1 limits the length of the workpiece 100 extending into the hydraulic chuck 200.
When in use, the mandrel 1 is connected with the main shaft 300 through the locking sleeve 3 and the guide sleeve 6, so as to ensure the coaxial arrangement of the mandrel 1 and the main shaft 300, thereby avoiding the offset of the workpiece and ensuring the precision of the mandrel 1 abutting against the workpiece 100; before the same batch of workpieces 100 are processed, after the exposed length of the workpieces 100 is determined, the ejector rod 1 and the guide sleeve 6 extend into the cavity 301 from the second end of the main shaft 300, the abutting end face 11 of the tool 100 is abutted with the workpieces 100, and the locking sleeve 3 is arranged on the second end of the main shaft 300; at this time, the exposed length of the workpiece 100 relative to the jaw 201 is fixed, when the next workpiece 100 in the same batch is replaced, the workpiece 100 stretches into the hydraulic chuck 200 and is tightly connected with the abutting end face 11, the hydraulic chuck 200 clamps the workpiece 100, so that the length of each workpiece 100 stretching into the hydraulic chuck 200 is ensured to be consistent, the same batch does not need to be subjected to tool setting again, and the processing efficiency can be improved; the dimension of the workpiece 100 in the length direction can be kept consistent, and the dimension consistency of the same batch of products is ensured; meanwhile, the turning and milling processing is one-cutter processing, so that the relative positioning of other processing steps is ensured, and the interchangeability of products is improved. Optionally, the guide sleeve 6 is fixedly connected with the ejector rod 1, and the structure is simple. Optionally, the guide sleeve 6 is detachably connected with the ejector rod 1, and the guide sleeve 6 can move along the axial direction of the ejector rod 1, so that on one hand, the relative position of the guide sleeve 6 and the ejector rod 1 can be adjusted, and on the other hand, the guide sleeve 6 with different sizes can be replaced, so that the spindle 300 with different sizes can be suitable. Optionally, the ejector rod 1 comprises a sleeve, a telescopic rod and a fixing structure, the telescopic rod is embedded in the sleeve, the telescopic rod can stretch along the axial direction of the sleeve so as to adjust the length of the ejector rod 1, and after reaching the preset length, the telescopic rod is positioned through the fixing structure so as to limit the relative positions of the sleeve and the telescopic rod, thereby adapting to the main shafts 300 with different lengths. .
In this embodiment, the ejector rod 1 is connected to the through hole 31 through threads, and the length of the ejector rod 1 extending into the cavity 301 can be adjusted and fixed by rotating the ejector rod 1, so that the structure is simple and the operation is convenient.
In this embodiment, there is first lock nut 2 through threaded connection on ejector pin 1, and first lock nut 2 and lock sleeve 3 butt are in order to lock on ejector pin 1, and first lock nut 2 can support tight lock sleeve 3 on the one hand, prevents that lock sleeve 3 from taking off, and on the other hand, after first lock nut 2 supports tightly with lock sleeve 3, can fix the axial position of ejector pin 1, avoid ejector pin 1 to rotate because vibration or mistake touch to guarantee that ejector pin 1 stretches into the length of cavity 301 inconvenient. Optionally, a concave-convex structure is arranged on the contact surface between the first lock nut 2 and the lock sleeve 3 to realize non-return. Optionally, a conical concave surface is arranged on the first locking nut 2, a conical convex surface is arranged on the locking sleeve 3, and the conical convex surface can be embedded into the conical concave surface, so that the locking and centering functions of increasing the contact area are realized; it will be appreciated that the conical concave surface is disposed on the locking sleeve 3, and the conical convex surface is disposed on the first locking nut 2, so as to achieve the locking and centering functions of increasing the contact area.
As shown in fig. 4, in this embodiment, the lock sleeve 3 includes an abutment surface 32 for abutting against the first lock nut 2, a connection surface 34 for connecting with the spindle 300, and a conical surface 33 for connecting the abutment surface 32 with the connection surface 34, the through hole 31 is formed on the abutment surface 32, the conical surface 33 and the connection surface 34 enclose a guiding cavity 35, the guiding cavity 35 can guide the ejector rod 1 into the through hole 31, the assembly difficulty is reduced, the weight of the lock sleeve 3 can be reduced by the guiding cavity 35, and the material is saved.
In this embodiment, the connecting surface 34 of the locking sleeve 3 is provided with an internal thread, so that the locking sleeve 3 is connected with the second end of the spindle 300 through threads, and the axial position of the locking sleeve is ensured to be fixed.
In this embodiment, the locking sleeve 3 is provided with the locking screw 4 arranged along the radial direction, so as to prevent the locking sleeve 3 from loosening.
In this embodiment, the guide sleeve 6 is connected with the ejector rod 1 through threads, so as to avoid the guide sleeve 6 sliding along the ejector rod 1 during processing, and ensure the stability of the ejector rod 1.
In this embodiment, the ejector rod 1 is provided with the second locking nuts 5 for preventing the guide sleeve 6 from slipping, the two second locking nuts 5 are respectively arranged at two sides of the guide sleeve 6, and the position of the guide sleeve 6 is limited by the two second locking nuts 5, so that the stability of the ejector rod 1 is further improved. Optionally, a guide sleeve 6 is slidingly connected to the ejector rod 1, the guide sleeve 6 defining its axial position by means of a second lock nut 5. Optionally, a concave-convex structure is arranged on the contact surface between the second lock nut 5 and the guide sleeve 6 to realize non-return.
In this embodiment, the abutting end face 11 is perpendicular to the axis of the ejector rod 1, and the abutting end face 11 is precisely ground, so that the abutting end face 11 has good perpendicularity with respect to the axis of the ejector rod 1, the abutting end face 11 and the workpiece 100 can be completely attached, and the workpiece 100 can be prevented from being deviated, so that the length of each workpiece 100 extending into the hydraulic chuck 200 is ensured to be consistent.
As shown in fig. 5 and 6, a machine tool comprises the processing and positioning tool for shaft sleeve type workpieces, wherein the processing and positioning tool for shaft sleeve type workpieces is arranged on a main shaft 300, a belt pulley 302 for connecting an external driving device, a main shaft box 304 for supporting the main shaft 300 and a bearing 303 for rotatably connecting the main shaft 300 and the main shaft box 304 are arranged on the main shaft 300, and a plurality of cutters are arranged on a power tool turret 400; the workpiece 100 is tightly connected with the abutting end face 11 after being stretched into the hydraulic chuck 200, the hydraulic chuck 200 clamps the workpiece 100, so that the length of each workpiece 100 stretching into the hydraulic chuck 200 is ensured to be consistent, multiple tool setting is not required in the same batch, and the processing efficiency can be improved; the dimension of the workpiece 100 in the length direction can be kept consistent, and the dimension consistency of the same batch of products is ensured; meanwhile, the turning and milling processing is one-cutter processing, so that the relative positioning of other processing steps is ensured, and the interchangeability of products is improved.
In this embodiment, the first end of the spindle 300 is provided with the brush 7 for blocking dust from entering the cavity 301, the brush 7 is arranged along the radial direction of the spindle 300, and in the initial state, the first end of the spindle 300 can be completely blocked, so that dust is prevented from entering the cavity 301, and the guide sleeve 6 and the inner wall of the spindle 300 are ensured.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The machining and positioning tool for the shaft sleeve type workpiece is used for adjusting the length of the workpiece (100) extending into the hydraulic chuck (200), and is characterized in that the hydraulic chuck (200) is arranged at the first end of a main shaft (300), a cavity (301) penetrating along the axial direction of the main shaft (300) is formed in the main shaft (300), the cavity (301) is communicated with a clamping cavity of the hydraulic chuck (200) and is coaxially distributed,
the processing and positioning tool for the shaft sleeve type workpiece comprises a push rod (1), a locking sleeve (3) and a guide sleeve (6) which are arranged on the push rod (1), wherein a through hole (31) for penetrating through the push rod (1) is formed in the locking sleeve (3), the push rod (1), the locking sleeve (3), the guide sleeve (6) and the cavity (301) are coaxially arranged,
the guide sleeve (6) is arranged at one end of the ejector rod (1) extending into the cavity (301) and is used for being in sliding connection with the inner wall of the main shaft (300), the locking sleeve (3) is arranged at the second end of the main shaft (300), and the length of the ejector rod (1) extending into the cavity (301) is adjusted and fixed after adjustment, so that the abutting end face (11) of the ejector rod (1) limits the length of the workpiece (100) extending into the hydraulic chuck (200).
2. The machining and positioning tool for shaft sleeve workpieces according to claim 1, wherein,
the ejector rod (1) is connected into the through hole (31) through threads.
3. The machining and positioning tool for shaft sleeve workpieces according to claim 2, wherein,
the ejector rod (1) is connected with a first locking nut (2) through threads, and the first locking nut (2) is abutted with the locking sleeve (3) so as to be locked on the ejector rod (1).
4. A process positioning tool for shaft sleeve type workpieces according to any one of claims 1 to 3,
the locking sleeve (3) is provided with internal threads and is used for being connected with the second end of the main shaft (300) through threads.
5. The positioning fixture for machining shaft sleeve workpieces according to claim 4, wherein,
the locking sleeve (3) is provided with locking screws (4) arranged along the radial direction.
6. The machining and positioning tool for shaft sleeve workpieces according to claim 1, wherein,
the guide sleeve (6) is connected with the ejector rod (1) through threads.
7. The machining and positioning tool for shaft sleeve type workpieces according to claim 1 or 6, wherein,
second lock nuts (5) used for preventing the guide sleeve (6) from slipping are arranged on the ejector rod (1), and the two second lock nuts (5) are respectively arranged on two sides of the guide sleeve (6).
8. The machining and positioning tool for shaft sleeve workpieces according to claim 1, wherein,
the abutting end face (11) is perpendicular to the axial lead of the ejector rod (1).
9. A machine tool comprising the machining positioning tool for the shaft sleeve type workpiece according to any one of claims 1 to 8.
10. The machine tool according to claim 9, wherein the machine tool comprises a machine tool body,
a brush (7) for blocking dust from entering the cavity (301) is arranged at the first end of the main shaft (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321479373.2U CN220330009U (en) | 2023-06-12 | 2023-06-12 | Machining positioning tool and machine tool for shaft sleeve type workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321479373.2U CN220330009U (en) | 2023-06-12 | 2023-06-12 | Machining positioning tool and machine tool for shaft sleeve type workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220330009U true CN220330009U (en) | 2024-01-12 |
Family
ID=89458814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321479373.2U Active CN220330009U (en) | 2023-06-12 | 2023-06-12 | Machining positioning tool and machine tool for shaft sleeve type workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220330009U (en) |
-
2023
- 2023-06-12 CN CN202321479373.2U patent/CN220330009U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 717 Sheng'an Avenue, Jiangning Binjiang Development Zone, Nanjing City, Jiangsu Province, 211178 Patentee after: Nanjing Technology and Equipment Manufacturing Co.,Ltd. Country or region after: China Address before: No. 717 Sheng'an Avenue, Jiangning Binjiang Development Zone, Nanjing City, Jiangsu Province, 211178 Patentee before: NANJING TECHNICAL EQUIPMENT MANUFACTURE Co.,Ltd. Country or region before: China |