CN214868736U - Positioning fixture - Google Patents
Positioning fixture Download PDFInfo
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- CN214868736U CN214868736U CN202120865820.2U CN202120865820U CN214868736U CN 214868736 U CN214868736 U CN 214868736U CN 202120865820 U CN202120865820 U CN 202120865820U CN 214868736 U CN214868736 U CN 214868736U
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- groove
- mounting barrel
- fixing
- barrel
- blade
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- 238000009434 installation Methods 0.000 claims description 41
- 239000007787 solid Substances 0.000 claims description 16
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 238000003754 machining Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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Abstract
The application discloses a positioning clamp, which relates to the technical field of machining tool fixtures and comprises a cylindrical mounting barrel, wherein one hollow axial end of the mounting barrel is arranged in an open mode, a fixing groove is formed in the mounting barrel along the axial direction of the mounting barrel, the fixing groove and the mounting barrel are arranged coaxially, a limiting groove is formed in the side wall of the mounting barrel corresponding to the shape of a blade, the limiting groove is communicated with the fixing groove, and the side wall of the mounting barrel is abutted against the two side walls corresponding to the width direction of the blade; and the mounting barrel is provided with a fixing component for fixing the blade. The blade machining device has the effects of reducing the deformation of the blade during machining operation on the blade and increasing the accuracy of the opening position of the notch on the blade.
Description
Technical Field
The application relates to the technical field of machining tool fixtures, in particular to a positioning fixture.
Background
The clamp is used as a tool commonly used in the mechanical manufacturing process and is used for fixing a processing object in the processing process so as to enable the processing object to occupy a correct position and facilitate processing or detection.
In the related art, referring to fig. 1, a mechanical part includes a support main shaft 100, and three blades 200 fixed on the support main shaft 100, wherein a length direction of the blades 200 is parallel to an axial direction of the support main shaft 100, a width direction of the blades 200 is parallel to any radial direction of the support main shaft 100, and the blades 200 are uniformly spaced around an axis of the support main shaft 100; meanwhile, the middle position of any blade 200 in the length direction is provided with the notch 300, and the size, the depth and the like of the three notches 300 are the same. At present, when the blade is provided with the notch 300, a worker usually uses a three-jaw chuck to tightly support the main shaft 100, so as to fix the mechanical parts on a lathe; then, the lathe is started, the three-jaw chuck drives the mechanical parts to rotate around the axis of the supporting main shaft 100, and the cutter performs grooving operation on the surfaces of the three blades 300.
In view of the above-mentioned related technologies, the inventor believes that, because the blade belongs to a thin-walled part, the rigidity is poor, and the blade is easy to deform during turning, the notch opening precision is poor, and a part to be improved exists.
SUMMERY OF THE UTILITY MODEL
In order to improve the accuracy of opening the notch on above-mentioned machine part, this application provides a positioning fixture.
The application provides a positioning fixture adopts following technical scheme:
a positioning clamp comprises a cylindrical installation barrel, wherein one axial end of the installation barrel is open, a fixed groove is formed in the installation barrel along the axial direction of the installation barrel, the fixed groove and the installation barrel are coaxially arranged, a limiting groove is formed in the side wall of the installation barrel corresponding to the shape of a blade, the limiting groove is communicated with the fixed groove, and the side wall of the limiting groove is abutted against two side walls in the width direction of the corresponding blade; and the mounting barrel is provided with a fixing component for fixing the blade.
By adopting the technical scheme, when the mechanical part is machined, a worker firstly embeds the mechanical part into the fixing groove along the axial direction of the mounting barrel, embeds the blades into the corresponding limiting grooves, and enables one side of each blade, which deviates from the supporting main shaft, to extend out of the mounting barrel; then, starting the fixing component, and driving the side wall of the limiting groove to clamp the corresponding blade by the fixing component, so that the mechanical part is fixed with the mounting barrel; then, the outer wall of the installation barrel is clamped by using a three-jaw chuck and the like, and the positioning clamp and the mechanical part are fixed on a lathe and subjected to subsequent slotting operation; utilize spacing groove lateral wall to support the blade, only make the blade need carry out outside the part of machining exposes the installation bucket, effectively reduce to carry out the condition emergence that the blade takes place deformation in the machining to the blade, effectively increase slotted accuracy on the blade.
Preferably, the fixed subassembly includes solid fixed ring, gu fixed ring cover is located the installation bucket axial and is close to the open one side of self, just gu fixed ring and installation bucket outer wall screw-thread fit.
By adopting the technical scheme, after the mechanical parts are embedded into the corresponding fixing grooves and the limiting grooves, a worker screws the fixing ring to the open side of the mounting barrel, so that the side wall of the limiting groove of the mounting barrel abuts against the corresponding blade, and the blade is fixed relative to the mounting barrel; meanwhile, the manufacturing cost of enterprises is saved.
Preferably, the clamping groove is formed in one side, deviating from the fixing groove, of the side wall of the fixing ring, and the clamping groove is formed in a plurality of positions around the axis of the fixing ring at equal intervals.
By adopting the technical scheme, the clamping groove is used for facilitating the workers to screw and fix the ring.
Preferably, an avoiding groove is formed in the outer side of the mounting barrel corresponding to the position of the fixing ring, the avoiding groove penetrates through one end of the mounting barrel which is open in the axial direction, and the avoiding groove penetrates through one side, away from the fixing groove, of the side wall of the mounting barrel; the fixed ring is arranged in the avoiding groove.
Through adopting above-mentioned technical scheme, solid fixed ring revolves soon to dodging the inslot back, and arbitrary blade length direction all supports tight solid fixed ring near solid fixed ring's one end, effectively reduces the condition emergence that this machine part deviates from in the installation bucket, and then increases this machine part's of this positioning fixture installation steadiness.
Preferably, an elastic amplification groove is formed in the middle of the mounting barrel in the axial direction, and the elastic amplification groove penetrates through one side, deviating from the fixing groove, of the side wall of the mounting barrel.
By adopting the technical scheme, the elastic amplification groove is used for increasing the elasticity of the wall of the mounting barrel, so that the fixing ring is convenient to screw and fix and the mounting barrel tightly holds corresponding mechanical parts.
Preferably, the one end that the installation bucket axial deviates from solid fixed ring is provided with spacing subassembly.
Through adopting above-mentioned technical scheme, spacing subassembly is used for prescribing a limit to the position of machine part in the installation bucket, effectively increases the accuracy that notch position was seted up on the blade.
Preferably, spacing subassembly includes fastening bolt, fastening bolt is coaxial setting with the installation bucket, fastening bolt's threaded end runs through the installation bucket bung wall and stretches into in the fixed slot to one side that is close to solid fixed ring along one side that the installation bucket axial deviates from solid fixed ring.
Through adopting above-mentioned technical scheme, during the in-service use, the staff revolves wrong fastening bolt according to the size difference of the machine part that will process, guarantees the stability of machine part installation on the installation bucket, effectively enlarges this positioning fixture's application scope, increases its practicality.
Preferably, a support nut is fixed on the mounting barrel and arranged on one side, outside the mounting barrel, of the fastening bolt.
Through adopting above-mentioned technical scheme, the back nut is used for supporting fastening bolt to guarantee back nut's axial and the axial depth of parallelism of machine part, thereby effectively guarantee fastening bolt to machine part's fixed action.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by means of arranging the fixing grooves and the limiting grooves on the mounting barrel, the supporting main shaft and the blades of the mechanical part are respectively embedded into the corresponding fixing grooves and limiting grooves; the side wall of the mounting barrel is used for clamping the blade, only the position needing machining on the blade is exposed out of the mounting barrel, the occurrence of the distortion of the blade during the slotting operation on the blade is effectively reduced, and the accuracy of the slotting on the blade is further improved;
2. by arranging the avoidance groove and enabling the fixing ring to be in threaded fit with the bottom wall of the limiting groove, the mechanical part is blocked in the mounting barrel by the fixing ring, and the situation that the mechanical part is separated from the positioning clamp in the grooving operation process is effectively reduced;
3. utilize the fastening bolt of screw thread setting on the installation bucket, increase the size range that this positioning fixture can the clamping machine part, effectively increase this positioning fixture's suitability.
Drawings
Fig. 1 is a schematic axial view mainly showing the overall structure of a mechanical part in the related art.
Fig. 2 is an exploded schematic view of the positioning fixture according to the embodiment of the present application.
Fig. 3 is a schematic axial view mainly showing the installation position of the limiting assembly in the embodiment of the present application.
Reference numerals: 1. installing a barrel; 11. fixing grooves; 12. a limiting groove; 13. an elastic amplification groove; 14. an avoidance groove; 2. a fixing ring; 21. a card slot; 3. a limiting component; 31. fastening a bolt; 4. a support nut; 100. supporting the main shaft; 200. a blade; 300. a notch.
Detailed Description
The present application is described in further detail below with reference to figures 2-3.
The embodiment of the application discloses a positioning fixture.
Referring to fig. 2, the positioning fixture comprises a cylindrical installation barrel 1 and a fixing ring 2 arranged on the installation barrel 1 in a threaded manner, wherein the installation barrel 1 is hollow and is provided with a fixing groove 11, and the fixing groove 11 and the installation barrel 1 are coaxially arranged; one axial end of the mounting barrel 1 is arranged in an open manner; the fixing ring 2 is sleeved on the outer side of the axial opening side of the mounting barrel 1; the side wall of the installation barrel 1 is provided with a limit groove 12 corresponding to the shape of the blade 200, and the limit groove 12 is communicated with the fixed groove 11.
When slotting, firstly, a worker inserts the supporting main shaft 100 of the mechanical part into the fixing groove 11 along the axis of the installation barrel 1, and inserts each blade 200 into the corresponding limiting groove 12; then, the worker screws the fixing ring 2 on the outer wall of the mounting barrel 1, so that the mechanical part is tightly held by the barrel wall of the mounting barrel 1, the side walls of the limiting grooves 12 are tightly abutted against the two sides of the corresponding blade 200 in the width direction, and the mechanical part is fixed on the positioning clamp; and then, fixing the positioning fixture on a lathe, and performing corresponding grooving operation.
In order to increase the elasticity of the barrel wall of the installation barrel 1 and ensure that the barrel wall of the installation barrel 1 tightly supports against the side wall of the blade 200 after the worker sleeves the fixing ring 2 on the installation barrel 1, an elastic amplification groove 13 is formed in the middle position of the installation barrel 1 in the axial direction. Simultaneously, for making things convenient for the staff to install and dismantle solid fixed ring 2, draw-in groove 21 has been seted up to one side that solid fixed ring 2 lateral wall deviates from fixed slot 11, and draw-in groove 21 is equipped with a plurality ofly around solid fixed ring 2 axis evenly spaced apart.
Referring to fig. 3, an avoiding groove 14 is formed in one end of the installation barrel 1, which is axially located at the open side of the installation barrel, the avoiding groove 14 penetrates through one side of the side wall of the installation barrel 1, which is away from the fixing groove 11 in the thickness direction, and one end of the installation barrel 1, which is axially located at the open side of the installation barrel; the side wall of one side of the avoiding groove 14 close to the fixing groove 11 is provided with a thread, and the fixing ring 2 is sleeved on the outer side of the avoiding groove 14 and is in threaded connection with the bottom wall of the avoiding groove 14.
Simultaneously, the one end that 1 axial of installing bucket deviates from solid fixed ring 2 is provided with spacing subassembly 3, and spacing subassembly 3 includes the fastening bolt 31 with the coaxial setting of installing bucket 1, and the one end that the threaded end of fastening bolt 31 deviates from solid fixed ring 2 along installing bucket 1 outside to the one end screw thread that is close to solid fixed ring 2 runs through 1 barrel wall of installing bucket and stretches into in fixed slot 11. In addition, a support nut 4 is fixed to the mounting barrel 1, and the support nut 4 is provided on the side of the fastening bolt 31 located outside the mounting barrel.
When the mounting structure is used specifically, a worker puts mechanical parts into the mounting barrel 1 and then sleeves the fixing ring 2 in the avoidance groove 14 in a threaded manner; then, the worker screws the fastening bolt 31 again, so that the threaded end of the fastening bolt 31 abuts against the end of the mechanical part supporting main shaft 100 until the end of the mechanical part blade 200 close to the fixing ring 2 abuts against the fixing ring 2, thereby completing the fixing and installation of the mechanical part on the positioning fixture.
The implementation principle of the positioning fixture in the embodiment of the application is as follows: when the slotting operation is performed on the blade 200, a worker firstly embeds mechanical parts into the fixing groove 11 and the limiting groove 12 along the axial direction of the installation barrel 1; subsequently, the fixing ring 2 is mounted to the mounting barrel 1 at the position of the avoiding groove 14; then, according to the sizes of different mechanical parts, the worker screws the fastening bolt 31 so that the threaded end of the fastening bolt 31 abuts against the end of the supporting main shaft 100, thereby limiting the blade 200 at a fixed position in the limiting groove 12. By adopting the mode, the deformation of the blade 200 during the slotting operation on the blade 200 is effectively reduced, so that the accuracy of the slotting of the notches 300 on the blade 200 is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A positioning fixture is characterized in that: the mounting structure comprises a cylindrical mounting barrel (1), wherein the mounting barrel (1) is hollow, one axial end of the mounting barrel (1) is arranged in an open mode, a fixing groove (11) is formed in the mounting barrel (1) along the axial direction of the mounting barrel, the fixing groove (11) and the mounting barrel (1) are arranged coaxially, a limiting groove (12) is formed in the side wall of the mounting barrel (1) corresponding to the shape of a blade (200), the limiting groove (12) is communicated with the fixing groove (11), and the side wall of the limiting groove (12) is abutted to two side walls corresponding to the width direction of the blade (200); and a fixing component for fixing the blade (200) is arranged on the mounting barrel (1).
2. A positioning jig according to claim 1 wherein: the fixing component comprises a fixing ring (2), the fixing ring (2) is sleeved on the axial direction of the installation barrel (1) and is close to the opened side of the fixing ring, and the fixing ring (2) is matched with the outer wall threads (141) of the installation barrel (1).
3. A positioning jig according to claim 2 wherein: fixed ring (2) lateral wall deviates from one side of fixed slot (11) and has seted up draw-in groove (21), just draw-in groove (21) have seted up a plurality ofly around fixed ring (2) even interval of axis.
4. A positioning jig according to claim 2 wherein: an avoiding groove (14) is formed in the outer side of the mounting barrel (1) corresponding to the position of the fixing ring (2), the avoiding groove (14) penetrates through one end of the mounting barrel (1) which is axially arranged in an open mode, and the avoiding groove (14) penetrates through one side, away from the fixing groove (11), of the side wall of the mounting barrel (1); the fixing ring (2) is arranged in the avoiding groove (14).
5. A positioning jig according to claim 1 wherein: an elastic amplification groove (13) is formed in the middle of the mounting barrel (1) in the axial direction, and the elastic amplification groove (13) penetrates through one side, deviating from the fixing groove (11), of the side wall of the mounting barrel (1).
6. A positioning jig according to claim 1 wherein: the one end that installation bucket (1) axial deviates from solid fixed ring (2) is provided with spacing subassembly (3).
7. A positioning jig according to claim 6 wherein: spacing subassembly (3) include fastening bolt (31), fastening bolt (31) are coaxial setting with installing bucket (1), screw thread (141) end of fastening bolt (31) is followed installing bucket (1) axial and is deviated from one side of solid fixed ring (2) to one side that is close to solid fixed ring (2) and is run through installing bucket (1) barrel wall and stretch into in fixed slot (11).
8. A positioning jig according to claim 6 wherein: a supporting nut (4) is fixed on the mounting barrel (1), and the supporting nut (4) is arranged on one side, located outside the mounting barrel, of the fastening bolt (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120865820.2U CN214868736U (en) | 2021-04-25 | 2021-04-25 | Positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120865820.2U CN214868736U (en) | 2021-04-25 | 2021-04-25 | Positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214868736U true CN214868736U (en) | 2021-11-26 |
Family
ID=78888658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120865820.2U Expired - Fee Related CN214868736U (en) | 2021-04-25 | 2021-04-25 | Positioning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214868736U (en) |
-
2021
- 2021-04-25 CN CN202120865820.2U patent/CN214868736U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |