CN214079302U - Clamp for producing and processing cylinder barrel - Google Patents
Clamp for producing and processing cylinder barrel Download PDFInfo
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- CN214079302U CN214079302U CN202022202445.1U CN202022202445U CN214079302U CN 214079302 U CN214079302 U CN 214079302U CN 202022202445 U CN202022202445 U CN 202022202445U CN 214079302 U CN214079302 U CN 214079302U
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- cover
- nut
- cylinder
- axle journal
- dabber
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Abstract
The utility model belongs to the technical field of machining equipment, specifically disclose an anchor clamps for producing processing cylinder, including dabber, bloated cover and nut, the both ends of dabber are provided with the axle journal symmetrically, the outer disc of axle journal sets up to the conical surface and is the path end near one side of dabber tip, and every axle journal all overlaps and establishes the bloated cover, the hole and the axle journal taper fit of bloated cover, and the both ends of dabber have the nut of screwing respectively, the nut drives the bloated cover to slide along the axial of axle journal, and then adjusts the diameter of bloated cover so that the outer disc of bloated cover and the inner wall laminating of cylinder; through the dabber with expand between the cover not have fit clearance, eliminated the axiality error of anchor clamps itself, and through expanding between cover and the cylinder gapless contact, eliminate the axiality error between anchor clamps and the cylinder, guarantee the axiality between cylinder excircle and the interior circle when realizing guaranteeing turning cylinder and grinding cylinder through this device, satisfy the machining precision of cylinder.
Description
Technical Field
The utility model belongs to the technical field of the technique of machining equipment and specifically relates to an anchor clamps for producing processing cylinder.
Background
When the cylinder barrel part shown in the figure 1 is produced, because the coaxiality precision requirement of the inner circle and the outer circle of the cylinder barrel part is very high, the requirement of the coaxiality is difficult to guarantee by using the traditional machining method for aligning the inner hole by using the center frame of the frame according to the conventional machining method by taking the outer circle after finish turning as the reference during the turning; in addition, during grinding, the cylinder barrel part is not suitable for grinding by inserting the taper mandrel due to the fact that the whole cylinder barrel part is long, and the coaxiality requirement of the inner circle and the outer circle is difficult to guarantee if a machining method of double-top inner hole chamfering and outer circle grinding is adopted.
Based on this, how to ensure the coaxiality of the inner circle and the outer circle of the cylinder barrel is a technical problem which needs to be solved by the technical personnel in the field at present.
SUMMERY OF THE UTILITY MODEL
To the problem among the prior art, the utility model aims at providing an anchor clamps for producing processing cylinder.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides an anchor clamps for producing processing cylinder, includes the dabber, expands cover and nut, the both ends of dabber are provided with the axle journal symmetrically, the outer disc of axle journal sets up to the conical surface and is close to one side of dabber tip for the path end, every the axle journal all overlaps and establishes the cover that expands, the hole and the axle journal taper fit of the cover that expands, just the both ends of dabber have closed the nut respectively soon, the nut drive expands the cover and follows the endwise slip of axle journal, and then the diameter of the cover that expands of adjustment so that the outer disc of the cover that expands laminates with the inner wall of cylinder.
Further, the expansion sleeve is a sleeve with an opening arranged on the side face of the expansion sleeve along the axial direction.
Furthermore, the conical surface of the inner hole of the expansion sleeve and the conical surface of the shaft neck are both finely ground.
Further, the small diameter end of the expansion sleeve is provided with an end cover, the end cover and the expansion sleeve are integrally arranged, the end cover is provided with a through hole for the mandrel to penetrate through, the through hole is in transition fit with the end of the mandrel, and the opening is communicated with the through hole.
Further, the nut is a hexagonal flange nut.
Further, a gasket is arranged between the nut and the expansion sleeve.
Further, an axial contact bearing or an angular contact bearing is arranged between the nut and the expansion sleeve.
Further, the end cover is provided with a plurality of threaded holes.
Compared with the prior art, the utility model provides a pair of an anchor clamps structure is unusual for producing and processing cylinder, including dabber, bloated cover and nut, the both ends of dabber are provided with the axle journal symmetrically, the outer disc of axle journal sets up to the conical surface and is close to one side of dabber tip for path end, every the axle journal all overlaps and establishes the cover that expands, the hole and the axle journal taper fit of the cover that expands, just the both ends of dabber have closed the nut respectively soon, the nut drive is bloated to overlap along the endwise slip of axle journal, and then the diameter of the cover that expands of adjustment so that the outer disc of the cover that expands laminates with the inner wall of cylinder.
Through inserting this device in the hole of cylinder, use the hole of cylinder as the processing benchmark, adjusting nut so that the outer disc conflict of the cover that expands realizes the chucking, and fix anchor clamps on the lathe, thereby follow-up carry out various size processing to the excircle of cylinder, because expand the cover size of adjusting the cover size that expands is gone up in the removal on the axle journal conical surface, there is not fit clearance between dabber and the cover that expands, the axiality error of anchor clamps itself has been eliminated, and through the zero clearance contact between cover and the cylinder that expands, eliminate the axiality error between anchor clamps and the cylinder, guarantee the axiality between cylinder excircle and the interior circle when guaranteeing turning sleeve and grinding sleeve through this device realization, satisfy the machining precision of cylinder.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a cylinder barrel.
Fig. 2 is a schematic structural diagram of a fixture for producing a machined cylinder barrel.
In the figure: 1. the novel bearing comprises a mandrel, 2. an expansion sleeve, 3. a nut, 4. a shaft neck, 5. an end cover, 6. a threaded hole and 7. a through hole.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, a jig for manufacturing a machining cylinder as a preferred embodiment of the present invention includes a mandrel 1, an expansion sleeve 2 and a nut 3, two ends of the mandrel 1 are symmetrically provided with shaft necks 4, the diameter size of the shaft necks 4 is larger than that of the mandrel 1, the outer circular surface of the shaft neck 4 is a conical surface, one side close to the end part of the mandrel 1 is a small-diameter end, namely, the diameter of one end of the shaft neck 4 close to the end part of the mandrel 1 is smaller, the diameter of one end of the shaft neck 4 far away from the end part of the mandrel 1 is larger, each shaft neck 4 is sleeved with the expansion sleeve 2, the inner hole of the expansion sleeve 2 is in taper fit with the shaft neck 4, and the two ends of the mandrel 1 are respectively screwed with a nut 3, one side of the nut 3 is abutted with the expansion sleeve 2 for limiting, and the nut 3 drives the expansion sleeve 2 to slide along the axial direction of the shaft neck 4, so that the diameter of the expansion sleeve 2 is adjusted to enable the outer circular surface of the expansion sleeve 2 to be attached to the inner wall of the cylinder barrel.
Use the utility model provides a during the anchor clamps for producing processing cylinder, through in inserting the hole of cylinder with this device, use the hole of cylinder as the processing benchmark, adjusting nut 3 so that the outer disc conflict of the cover 2 that expands realizes the chucking, and fix the both ends of anchor clamps on the relevant position of lathe, thereby follow-up carry out various size processing to the excircle of cylinder, because expand the cover 2 size of expanding is adjusted in the removal of the 4 conical surfaces of axle journal, dabber 1 and expand and do not have fit clearance between the cover 2, the axiality error of anchor clamps itself has been eliminated, and through expand between cover 2 and the cylinder gapless contact, eliminate the axiality error between anchor clamps and the cylinder, guarantee the axiality between cylinder excircle and the interior circle when guaranteeing turning sleeve and grinding sleeve through this device, satisfy the machining precision of cylinder.
In the above embodiment, specifically, the expansion sleeve 2 is a sleeve with an opening on its side surface along the axial direction, and the width of the opening is changed by providing an opening on the side surface of the sleeve to realize that the expansion sleeve 2 is located at different positions of the journal 4, so that the diameter of the sleeve is changed.
On the basis of the embodiment, the conical surface of the inner hole of the expansion sleeve 2 and the conical surface of the shaft neck 4 are both finely ground, so that the inner hole of the expansion sleeve 2 is ensured to be stably contacted with the shaft neck 4, a gap between the inner hole and the shaft neck is eliminated, and the precision of machining the outer circle of the cylinder barrel by taking the inner hole of the cylinder barrel as a reference is improved.
On the basis of the above embodiment, for better technical effect, an end cover 5 is arranged at the small-diameter end of the expansion sleeve 2, preferably, the end cover 5 and the expansion sleeve are integrally arranged, the end cover 5 is provided with a through hole 7 for the mandrel 1 to penetrate through, the through hole 7 is in transition fit with the end part of the mandrel 1, and the opening is communicated with the through hole 7, that is, in the process of penetrating the expansion sleeve 2 into the mandrel 1, the through hole 7 is in transition fit with the mandrel 1 to position and keep the expansion sleeve 2 penetrating through, the expansion sleeve 2 and the mandrel 1 keep coaxial, so that the expansion sleeve 2 is prevented from being inclined to the journal 4 to cause clamping stagnation, the expansion sleeve 2 is conveniently mounted on the journal 4 at one time, the position of the expansion sleeve 2 is prevented from being repeatedly adjusted, and the mounting efficiency is high; in addition, the end cover 5 limits the moving distance of the expansion sleeve 2 along the shaft neck 4, so that the expansion sleeve 2 is prevented from being seriously deformed and losing efficacy due to overlarge expansion, and the diameter of the expansion sleeve 2 is adjusted through the micro-modification of the expansion sleeve 2.
Specifically, nut 3 can be hexagonal flange nut, and flange through hexagonal flange nut contradicts with the terminal surface of the cover 2 that expands, increases area of contact.
On the basis of above-mentioned embodiment, be provided with the gasket between nut 3 and the cover 2 that expands, increase the area of contact between 3 cover 2 that expand of nut through the gasket, and avoid nut 3 direct with the cover 2 contact that expands, and lead to 3 pivoted process wearing and tearing of nut to expand cover 2 to and avoid nut 3 to drive the cover 2 that expands and take place to twist reverse, and lead to 2 circumference of cover that expands to take place torsional deformation, realize the effective protection to the cover 2 that expands through the gasket.
Preferably, an axial contact bearing or an angular contact bearing is arranged between the nut 3 and the expansion sleeve 2, and the expansion sleeve 2 and the nut 3 are further isolated by the arrangement of the axial contact bearing or the angular contact bearing, so that the condition that the expansion sleeve 2 is driven to twist when the nut 3 rotates is completely eliminated.
On the basis of the above embodiment, the end cover 5 is provided with a plurality of threaded holes 6, preferably, the threaded holes 6 are uniformly distributed around the circumference of the end cover 5, so that after the cylinder barrel is machined, the bolt is installed in the threaded hole 6 to pull the expansion sleeve 2 to the initial position, namely, to pull the end of the mandrel 1, so that the expansion sleeve 2 is separated from contact with the cylinder barrel, and the mandrel 1 and the expansion sleeve 2 are detached from the inner hole of the cylinder barrel.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides an anchor clamps for producing processing cylinder, its characterized in that includes the dabber, expands cover and nut, the both ends of dabber are provided with the axle journal symmetrically, the excircle face of axle journal sets up to the conical surface and is close to one side of dabber tip for the path end, every the axle journal all overlaps and establishes expand the cover, the hole and the axle journal taper fit of expanding the cover, just the both ends of dabber have closed the nut respectively soon, the nut drive expands the cover along the axial slip of axle journal, and then the diameter of the cover of adjustment so that the excircle face of expanding the cover laminates with the inner wall of cylinder.
2. The jig for producing a machining cylinder barrel as claimed in claim 1, wherein the expanding sleeve is a sleeve provided with an opening on its side in the axial direction.
3. The jig for producing a processing cylinder barrel as claimed in claim 2, wherein the tapered surface of the inner bore of the expansion bush and the tapered surface of the journal are both finely ground.
4. The clamp for producing the cylinder barrel as claimed in claim 3, wherein an end cover is arranged at the small-diameter end of the expansion sleeve, the end cover and the expansion sleeve are integrally arranged, the end cover is provided with a through hole for the core shaft to penetrate through, the through hole is in transition fit with the end of the core shaft, and the opening is communicated with the through hole.
5. The jig for producing a machining cylinder as claimed in claim 4, characterized in that the nut is a hexagonal flange nut.
6. The jig for producing a machining cylinder barrel as claimed in claim 5, wherein a spacer is provided between the nut and the expansion sleeve.
7. The jig for producing a machining cylinder barrel as claimed in claim 1 or 6, wherein an axial contact bearing or an angular contact bearing is provided between the nut and the expansion sleeve.
8. The jig for producing a machining cylinder barrel as claimed in claim 4, wherein the end cap is provided with a plurality of threaded holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022202445.1U CN214079302U (en) | 2020-09-30 | 2020-09-30 | Clamp for producing and processing cylinder barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022202445.1U CN214079302U (en) | 2020-09-30 | 2020-09-30 | Clamp for producing and processing cylinder barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214079302U true CN214079302U (en) | 2021-08-31 |
Family
ID=77442606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022202445.1U Active CN214079302U (en) | 2020-09-30 | 2020-09-30 | Clamp for producing and processing cylinder barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214079302U (en) |
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2020
- 2020-09-30 CN CN202022202445.1U patent/CN214079302U/en active Active
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