CN205111292U - A follow -rest for processing slender axles - Google Patents
A follow -rest for processing slender axles Download PDFInfo
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- CN205111292U CN205111292U CN201520948968.7U CN201520948968U CN205111292U CN 205111292 U CN205111292 U CN 205111292U CN 201520948968 U CN201520948968 U CN 201520948968U CN 205111292 U CN205111292 U CN 205111292U
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- chuck
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- carrier head
- follow
- rest
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Abstract
The utility model provides a follow -rest for processing slender axles belongs to mechanical technical field. It has solved the current short -lived problem of slender axles autoloading follow -rest. This a follow -rest for processing slender axles includes the support, is the chuck seat of tube -shape and inserts the chuck in the chuck seat, and the chuck is the tube -shape and is made by elastic material, is equipped with between chuck and the chuck seat to limit chuck along the axial displacement's of chuck seat stop gear, and under stop gear's effect, and the chuck takes place elastic deformation to the internal contraction, chuck seat and support axial fixity, and be equipped with the link gear that enables both and follow the circumferential direction of chuck seat together between chuck seat and the chuck. This a follow -rest for processing slender axles has longe -lived advantage.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to one follow-rest, particularly a kind of follow-rest for processing slim axle.
Background technology
At present, traditional follow-rest is semi-enclosed structure, manually adjusts pawl pin respectively, and the cylindrical pushing up workpiece play supporting role.For slender axles, be easily subject to larger top power and be out of shape even bending, top power is too little easily causes rigidity not enough, causes workpiece accuracy, surface roughness do not reach requirement.
For this situation, people have recognized this deficiency, and carry out improvement, as a kind of Elongated shaft automatic-feeding follow rest [application number: 201120157174.0 that Chinese patent literature data openly proposes; Authorization Notice No.: CN202079408U], comprise support, base of the carrier head, collet, adjusting nut, cylinder, anti-rotation pin, follow-rest by support installing on the saddle of lathe, base of the carrier head is fixed on support, the inner mounting spring chuck of base of the carrier head, collet tail end has adjusting nut, and base of the carrier head is connected to cylinder, and push rod reaches in collet; Anti-rotation pin is installed between collet and base of the carrier head.
Above-mentioned follow-rest in use, support is connected with the saddle on lathe, to drive whole follow-rest to move forward and backward relative to machine tool chief axis, thus under the prerequisite ensureing slender axles invariant position, realize the feeding of cutter, improve precision and the speed of Product processing.But still there is a problem in this follow-rest: be provided with the rotation that screw carrys out restraining spring chuck between collet and base of the carrier head, but add man-hour actual, certain friction is there is between slender axles and collet, thus in the process of slender axles rotation, collet has the trend of rotation, and above-mentioned trend is born by screw completely.When Long-Time Service, loosening easily appears in screw, cause collet can rotate among a small circle, and collet and base of the carrier head closely to recline and base of the carrier head is fixed, make when collet rotates, form larger friction between collet and base of the carrier head, cause collet and base of the carrier head heavy wear, thus reduce the life-span of follow-rest.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes the follow-rest of length of a kind of life-span.
The purpose of this utility model realizes by following technical proposal: for the follow-rest of processing slim axle, comprise support, tubular base of the carrier head and the chuck be inserted in base of the carrier head, described chuck is tubular and is made up of elastomeric material, be provided with between chuck and base of the carrier head and can limit the position-limit mechanism that move axially of chuck along base of the carrier head, and under the effect of position-limit mechanism, chuck generation elastic deformation is inwardly shunk, it is characterized in that, described base of the carrier head and support axial restraint, and be provided with between base of the carrier head and chuck can make both together along the link gear that the circumference of base of the carrier head is rotated.
During installation, support is connected with the saddle on lathe, to drive whole follow-rest movable relative to machine tool chief axis; Add man-hour, slender axles one end is clamped in machine tool chief axis, and its other end is clamped in chuck; Then machine tool chief axis drives slender axles rotate and processed slender axles by cutter; In the process that slender axles rotate, slender axles can drive chuck to rotate, and under the effect of link gear, follow chuck rotate together to make base of the carrier head; On slender axles after the completion of processing of position, somewhere, the clamping force be applied on slender axles due to chuck can not be very large, and make when guaranteeing slender axles invariant position, saddle drives follow-rest and cutter to move simultaneously, processes the another location of slender axles.Above-mentioned process circulation is carried out, until slender shaft turning is complete.
Under the acting in conjunction of both base of the carrier head and support axial restraint and link gear, base of the carrier head and chuck can rotate along the circumference of base of the carrier head simultaneously, effectively to avoid producing Relative friction between base of the carrier head and chuck, thus improve the life-span of base of the carrier head and chuck, then extend the life-span of this follow-rest.
In the above-mentioned follow-rest for processing slim axle, described link gear comprises pin and is located at the stopper slot on chuck lateral wall, described stopper slot is strip and axis along chuck is arranged, and described pin one end and base of the carrier head are fixed, and the other end of this pin is inserted in stopper slot.
The mode that chuck is offseted by the madial wall of pin and stopper slot drives base of the carrier head to rotate, and has the advantage that structure is simple, easy to process.
Alternatively, in the above-mentioned follow-rest for processing slim axle, described link gear comprises bolt, through the screwed hole one on base of the carrier head and the screwed hole two be located on chuck sidewall, the bar portion of described bolt is all screwed onto in screwed hole one and screwed hole two.
In the above-mentioned follow-rest for processing slim axle, described support is tabular and this support runs through socket, and described base of the carrier head to be inserted in socket and to be connected with support by bearing.
Base of the carrier head is included in support and chuck is included in base of the carrier head, to improve the structural compactness of this follow-rest, thus reduces the floor space of this follow-rest.
Compared with prior art, under the acting in conjunction of this follow-rest for processing slim axle by both base of the carrier head and support axial restraint and link gear, base of the carrier head and chuck are rotated along the circumference of base of the carrier head simultaneously, effectively to avoid producing Relative friction between base of the carrier head and chuck, thus improve the life-span of base of the carrier head and chuck, then extend the life-span of this follow-rest.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structure for amplifying schematic diagram at A place in Fig. 1.
In figure, 1, support; 2, base of the carrier head; 3, chuck; 3a, stopper slot; 4, bearing; 5, nut; 6, pin; 7, saddle; 8, slender axles; 9, main shaft.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
As depicted in figs. 1 and 2, this follow-rest being used for processing slim axle 8 is made up of support 1, base of the carrier head 2, chuck 3 etc.Wherein, chuck 3 is made up of elastomeric material, such as spring steel or 40Cr.
Base of the carrier head 2 in tubular and with support 1 axial restraint, namely base of the carrier head 2 can rotate relative to support 1 circumference.Specifically, support 1 is tabular and this support 1 runs through socket; Base of the carrier head 2 to be inserted in socket and to be connected with support 1 by bearing 4, and namely the outer ring of bearing 4 and support 1 fix, and the inner ring of bearing 4 and base of the carrier head 2 fix, thus stablize the object realizing base of the carrier head 2 and support 1 axial restraint.
Chuck 3 is tubular and is inserted in base of the carrier head 2.Be provided with between chuck 3 and base of the carrier head 2 and can limit the position-limit mechanism that move axially of chuck 3 along base of the carrier head 2, and under the effect of position-limit mechanism, there is elastic deformation and inwardly shrink in chuck 3.In the present embodiment, position-limit mechanism comprises the nut 5 be spirally connected with chuck 3 one end, the conical surface two be located at the conical surface one on chuck 3 other end lateral wall and be located on base of the carrier head 2 madial wall, the conical surface one and the conical surface two match and both stick together, and nut 5 offsets with the end face of base of the carrier head 2.
Be provided with between base of the carrier head 2 and chuck 3 and both can be made together along the link gear that the circumference of base of the carrier head 2 is rotated.As shown in Figure 2, link gear comprises pin 6 and the stopper slot 3a be located on chuck 3 lateral wall.Stopper slot 3a is strip and axis along chuck 3 is arranged, and pin 6 one end and base of the carrier head 2 are fixed, and the other end of this pin 6 is inserted in stopper slot 3a.
As shown in Figure 1, during installation, support 1 is connected with the saddle 7 on lathe, moves forward and backward relative to machine tool chief axis 9 to drive whole follow-rest; When installing slender axles 8, slender axles 8 one end is clamped in machine tool chief axis 9, and its other end is inserted in chuck 3; Then chuck 3 is to the motion of machine tool chief axis 9 direction, and under the cooperation of the conical surface one and the conical surface two, chuck 3 inwardly shrinks clamping slender axles 8, but above-mentioned clamping force can not be very large; Then tightening nut 5 offsets to make itself and base of the carrier head 2, thus is lived by whole chuck 3 axial limiting.Add man-hour, machine tool chief axis 9 is driven slender axles 8 to rotate and is processed slender axles 8 by cutter; In the process that slender axles 8 rotate, slender axles 8 can drive chuck 3 to rotate, and under the cooperation of pin 6 and stopper slot 3a, follow chuck 3 rotate together to make base of the carrier head 2; On slender axles 8 after the completion of processing of position, somewhere, the clamping force be applied on slender axles 8 due to chuck 3 can not be very large, make when guaranteeing slender axles 8 invariant position, saddle 7 drives follow-rest and cutter to move simultaneously, processes the another location of slender axles 8.Above-mentioned process circulation is carried out, until slender axles 8 completion of processing.
Embodiment two
The present embodiment two with the structure of embodiment one and principle substantially identical, different place is: link gear comprises bolt, through the screwed hole one on base of the carrier head 2 and the screwed hole two be located on chuck 3 sidewall, the bar portion of bolt is all screwed onto in screwed hole one and screwed hole two.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (4)
1. for the follow-rest of processing slim axle, comprise support (1), tubular base of the carrier head (2) and the chuck (3) be inserted in base of the carrier head (2), described chuck (3) is in tubular and be made up of elastomeric material, be provided with between chuck (3) and base of the carrier head (2) and the position-limit mechanism that move axially of chuck (3) along base of the carrier head (2) can be limited, and under the effect of position-limit mechanism, there is elastic deformation and inwardly shrink in chuck (3), it is characterized in that, described base of the carrier head (2) and support (1) axial restraint, and be provided with between base of the carrier head (2) and chuck (3) can make both together along the link gear that the circumference of base of the carrier head (2) is rotated.
2. the follow-rest for processing slim axle according to claim 1, it is characterized in that, described link gear comprises pin (6) and is located at the stopper slot (3a) on chuck (3) lateral wall, described stopper slot (3a) is arranged in strip and along the axis of chuck (3), described pin (6) one end and base of the carrier head (2) are fixed, and the other end of this pin (6) is inserted in stopper slot (3a).
3. the follow-rest for processing slim axle according to claim 1, it is characterized in that, described link gear comprises bolt, through the screwed hole one on base of the carrier head (2) and the screwed hole two be located on chuck (3) sidewall, the bar portion of described bolt is all screwed onto in screwed hole one and screwed hole two.
4. the follow-rest for processing slim axle according to claim 1, it is characterized in that, described support (1) is in tabular and this support (1) runs through have socket, and described base of the carrier head (2) to be inserted in socket and to be connected with support (1) by bearing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520948968.7U CN205111292U (en) | 2015-11-24 | 2015-11-24 | A follow -rest for processing slender axles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520948968.7U CN205111292U (en) | 2015-11-24 | 2015-11-24 | A follow -rest for processing slender axles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205111292U true CN205111292U (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520948968.7U Active CN205111292U (en) | 2015-11-24 | 2015-11-24 | A follow -rest for processing slender axles |
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| Country | Link |
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| CN (1) | CN205111292U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160189A (en) * | 2017-06-19 | 2017-09-15 | 江西洪都航空工业集团有限责任公司 | A kind of slender shaft turning device and processing method |
| CN111941105A (en) * | 2020-05-28 | 2020-11-17 | 广东海思智能装备有限公司 | Rotatable center frame and numerical control machine tool cutter arranging machine with same |
-
2015
- 2015-11-24 CN CN201520948968.7U patent/CN205111292U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160189A (en) * | 2017-06-19 | 2017-09-15 | 江西洪都航空工业集团有限责任公司 | A kind of slender shaft turning device and processing method |
| CN111941105A (en) * | 2020-05-28 | 2020-11-17 | 广东海思智能装备有限公司 | Rotatable center frame and numerical control machine tool cutter arranging machine with same |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |