CN216829790U - Thin wall deep hole barrel terminal surface processing frock - Google Patents
Thin wall deep hole barrel terminal surface processing frock Download PDFInfo
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- CN216829790U CN216829790U CN202220544101.5U CN202220544101U CN216829790U CN 216829790 U CN216829790 U CN 216829790U CN 202220544101 U CN202220544101 U CN 202220544101U CN 216829790 U CN216829790 U CN 216829790U
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Abstract
The utility model relates to a manufacturing technical field, concretely relates to thin wall deep hole barrel terminal surface processing frock, it includes: the lathe comprises a body, a lathe spindle and a lathe base, wherein the body is of a hollow cylindrical structure, one end of the body is coaxially connected with the lathe spindle through a connecting flange, and one end of the body, which is far away from the connecting flange, is matched with the lathe body through a bearing seat; the pull tube is coaxially arranged in the body, and one end of the pull tube, which corresponds to the bearing block, is connected with a collet chuck; the positioning rod is coaxially arranged inside the pull tube and fixedly connected with the connecting flange, and a floating support ring is arranged at one end, close to the connecting flange, of the positioning rod; the pull rod is embedded in the lathe spindle and connected with the pull pipe through a transition mechanism penetrating through the connecting flange; one end of the pull rod, which is far away from the pull tube, is connected with the driver. The utility model provides a thin wall deep hole barrel facing (operation) frock, this frock is applicable to most of lathes and uses, consequently promotes the major possession throughput of these lathes.
Description
Technical Field
The utility model relates to a manufacturing technical field, concretely relates to thin wall deep hole barrel terminal surface processing frock.
Background
In the actual production and processing process, a cylinder type revolving body workpiece needs to be processed on the outer end face of the bottom. The most convenient and rapid processing mode of the workpiece is to perform the processing of excircle turning, end face turning, drilling, boring, reaming, thread turning, grooving (excircle groove, inner hole groove and end face groove), tapping and the like by clamping once on a lathe. However, in the actual production process, due to factors such as a large diameter of the cylinder, a thin wall of the cylinder, and a deep inner hole, a machine tool with a larger diameter of the through hole of the spindle is required for production and processing. The equipment investment cost is sharply increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a thin wall deep hole barrel facing (operation) frock, this frock is applicable to most of lathes and uses, consequently promotes the major possession throughput of these lathes.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a thin wall deep hole barrel terminal surface processing frock, it includes: the lathe comprises a body, a lathe spindle and a lathe base, wherein the body is of a hollow cylindrical structure, one end of the body is coaxially connected with the lathe spindle through a connecting flange, and one end of the body, far away from the connecting flange, is matched with the lathe body through a bearing seat; the pull tube is coaxially arranged in the body, and one end of the pull tube, which corresponds to the bearing block, is connected with a collet chuck; the positioning rod is coaxially arranged inside the pull tube and fixedly connected with the connecting flange, and a floating support ring is arranged at one end, close to the connecting flange, of the positioning rod; the pull rod is embedded in the lathe spindle and connected with the pull pipe through a transition mechanism penetrating through the connecting flange; and one end of the pull rod, which is far away from the pull pipe, is connected with the driver.
Preferably, the floating support ring is nested and matched outside the positioning rod and freely slides along the axial direction of the positioning rod; the outer edge of one end, far away from the connecting flange, of the floating support ring is provided with an oblique chamfer matched with the inner diameter of the end face of the workpiece.
Preferably, a supporting spring is arranged between the floating supporting ring and the connecting flange; and one end of the positioning corresponding to the floating support ring is in a shoulder structure and is used for limiting the sliding stroke of the floating support ring.
Preferably, the positioning device further comprises a positioning adjusting head, wherein the positioning adjusting head is arranged at one end of the positioning rod, which is far away from the connecting flange, and is coaxially matched with the positioning rod through an adjusting screw rod; the adjusting screw is provided with a locking nut.
Preferably, the transition mechanism comprises a transition flange arranged at one end of the pull rod close to the connecting flange and a transition disc arranged at one end of the pull pipe close to the connecting flange, and the transition flange is connected with the transition disc through a guide sleeve penetrating through the connecting flange; the guide sleeve freely slides on the connecting flange along the axial direction.
Preferably, the inner wall of the body corresponding to one end of the collet chuck is provided with a contraction inclined plane.
Preferably, the inner wall of the middle section of the pull tube is provided with a guide inclined plane.
The utility model has the advantages that: the work piece inserts in the body, the actuator through the constitution of atmospheric pressure or hydraulic actuator stimulates the pull rod this moment, the spring collet chuck exerts radial clamping force to the work piece outer wall under the effect of pull rod, thereby fix firmly the work piece in this body, the floating support ring on the locating lever of this in-process is through oblique chamfer to the internal orifice of work piece centering, thereby guarantee the axiality of work piece, the body that rotates along with the lathe main shaft at the turning process drives the work piece and rotates, the bearing frame then carries out stable support to the free end of body, thereby guarantee the lathe machining precision, this frock is applicable to most lathes simultaneously and uses, consequently, promote the big piece processing ability of these lathes. The floating support ring is urged by a spring towards the workpiece over a range of travel and applies a suitable holding thrust to the workpiece during centering. The adjusting head enables the positioning rod to adapt to workpieces of various specifications, and the positioning force of the floating support ring is controlled by adjusting the adjusting head.
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 cross-sectional view of the application state of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
According to fig. 1, a thin wall deep hole barrel terminal surface processing frock, it includes: the lathe spindle is characterized by comprising a body 7, wherein the body 7 is of a hollow cylindrical structure, one end of the body 7 is coaxially connected with a lathe spindle 1 through a connecting flange 2, and one end, far away from the connecting flange 2, of the body 7 is matched with a lathe body through a bearing seat 12; the pull tube 8 is coaxially arranged inside the body 7, and one end, corresponding to the bearing seat 12, of the pull tube 8 is connected with a collet chuck 10; the positioning rod 9 is coaxially arranged inside the pull tube 8 and fixedly connected with the connecting flange 2, and one end, close to the connecting flange 2, of the positioning rod 9 is provided with a floating support ring 4; the pull rod 15 is embedded in the lathe spindle 1, and the pull rod 15 is connected with the pull pipe 8 through a transition mechanism penetrating through the connecting flange 2; the end of the pull rod 15 far away from the pull tube 8 is connected with a driver.
The floating support ring 4 is nested and matched outside the positioning rod 9 and freely slides along the axial direction of the positioning rod 9; the outer edge of one end, far away from the connecting flange 2, of the floating support ring 4 is provided with an inclined chamfer matched with the inner diameter of the end face of the workpiece.
In addition, the transition mechanism comprises a transition flange 14 and a transition disc 6, wherein the transition flange 14 is arranged at one end, close to the connecting flange 2, of the pull rod 15, the transition disc 6 is arranged at one end, close to the connecting flange 2, of the pull pipe 8, and the transition flange 14 is connected with the transition disc 6 through a guide sleeve 5 penetrating through the connecting flange 2; the guide sleeve 5 freely slides on the connecting flange 2 along the axial direction.
Through the arrangement, a cylindrical workpiece is inserted into the body 7, the pull rod 15 is pulled by a driver formed by an air pressure actuator or a hydraulic actuator, the spring collet chuck 10 exerts radial clamping force on the outer wall of the workpiece under the action of the pull rod 15, so that the workpiece is firmly fixed in the body 7, the floating support ring 4 on the positioning rod 9 centers the inner opening of the workpiece through an inclined chamfer, the coaxiality of the workpiece is ensured, the body 7 rotating along with the lathe spindle 1 drives the workpiece to rotate in the turning process, and the free end of the body 7 is stably supported by the bearing seat 12, so that the turning accuracy is ensured.
A supporting spring 3 is arranged between the floating supporting ring 4 and the connecting flange 2; and the positioning is corresponding to one end of the floating support ring 4 and is in a shoulder structure, and the shoulder structure is used for limiting the sliding stroke of the floating support ring 4.
In this arrangement, the floating support ring 4 is pushed by the spring 3 towards the workpiece over the stroke range and exerts a suitable holding thrust on the workpiece during centering.
The positioning adjusting head 13 is arranged at one end of the positioning rod 9 far away from the connecting flange 2, and is coaxially matched with the positioning rod 9 through an adjusting screw rod; the adjusting screw is provided with a locking nut 11.
The adjusting head in the setting enables the positioning rod 9 to adapt to workpieces of various different specifications, and the positioning force of the floating support ring 4 is controlled by adjusting the adjusting head.
The inner wall of the body 7 corresponding to one end of the collet chuck 10 is provided with a contraction inclined plane. When the pull tube 8 is pulled back into the collet chuck 10, the collet chuck 10 radially clamps the workpiece under the action of the retracting ramps. The inner wall in 8 middle sections of trombone slide is equipped with the direction inclined plane, and this direction inclined plane is used for in the work piece insertion process, carries out centripetal guide, avoids the work piece problem of colliding with.
To sum up, in the tool, the tail part of the positioning rod 9 is additionally provided with the floating support ring 4 with taper, and the spring 3 supports the axial expansion. The tail part of the adjusting head of the positioning rod 9 is provided with a thread and a locking nut 11, so that axial adjustment can be realized. The clamping force of the clamping spring collet chuck 10 is adjusted to clamp. In the machining process, the positioning is accurate, the clamping is reliable, and the operation is simple. The telescopic end face machining fixture has extremely strong expansibility, the length of an adjusting head of the positioning rod 9 is adjusted, and the end faces of the cylinder bodies with different lengths and different diameters can be machined by replacing collet chucks 10 with different specifications.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a thin wall deep hole barrel end processing frock which characterized in that includes:
the lathe comprises a body, a lathe spindle and a lathe base, wherein the body is of a hollow cylindrical structure, one end of the body is coaxially connected with the lathe spindle through a connecting flange, and one end of the body, far away from the connecting flange, is matched with the lathe body through a bearing seat;
the pull tube is coaxially arranged in the body, and one end of the pull tube, which corresponds to the bearing block, is connected with a collet chuck;
the positioning rod is coaxially arranged inside the pull tube and fixedly connected with the connecting flange, and a floating support ring is arranged at one end, close to the connecting flange, of the positioning rod;
the pull rod is embedded in the lathe spindle and connected with the pull pipe through a transition mechanism penetrating through the connecting flange; and one end of the pull rod, which is far away from the pull pipe, is connected with the driver.
2. The thin-wall deep-hole cylinder end face machining tool according to claim 1, characterized in that: the floating support ring is nested and matched outside the positioning rod and freely slides along the axial direction of the positioning rod; the outer edge of one end, far away from the connecting flange, of the floating support ring is provided with an oblique chamfer matched with the inner diameter of the end face of the workpiece.
3. The thin-wall deep-hole cylinder end face machining tool according to claim 2, characterized in that: a supporting spring is arranged between the floating supporting ring and the connecting flange; and one end of the positioning corresponding to the floating support ring is in a shoulder structure and is used for limiting the sliding stroke of the floating support ring.
4. The thin-wall deep-hole cylinder end face machining tool according to claim 1, characterized in that: the positioning adjusting head is arranged at one end of the positioning rod, which is far away from the connecting flange, and is coaxially matched with the positioning rod through an adjusting screw rod; the adjusting screw is provided with a locking nut.
5. The thin-wall deep-hole cylinder end face machining tool according to claim 1, characterized in that: the transition mechanism comprises a transition flange and a transition disc, the transition flange is arranged at one end, close to the connecting flange, of the pull rod, the transition disc is arranged at one end, close to the connecting flange, of the pull pipe, and the transition flange is connected with the transition disc through a guide sleeve penetrating through the connecting flange; the guide sleeve freely slides on the connecting flange along the axial direction.
6. The thin-wall deep-hole cylinder end face machining tool according to claim 1, characterized in that: the inner wall of the body, which corresponds to one end of the collet chuck, is provided with a contraction inclined plane.
7. The thin-wall deep-hole cylinder end face machining tool according to claim 1, characterized in that: the inner wall of the middle section of the pull tube is provided with a guide inclined plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220544101.5U CN216829790U (en) | 2022-03-09 | 2022-03-09 | Thin wall deep hole barrel terminal surface processing frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220544101.5U CN216829790U (en) | 2022-03-09 | 2022-03-09 | Thin wall deep hole barrel terminal surface processing frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216829790U true CN216829790U (en) | 2022-06-28 |
Family
ID=82095327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220544101.5U Active CN216829790U (en) | 2022-03-09 | 2022-03-09 | Thin wall deep hole barrel terminal surface processing frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216829790U (en) |
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2022
- 2022-03-09 CN CN202220544101.5U patent/CN216829790U/en active Active
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