CN215317012U - Annular center frame structure for heavy deep hole machining tool - Google Patents
Annular center frame structure for heavy deep hole machining tool Download PDFInfo
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- CN215317012U CN215317012U CN202120883779.1U CN202120883779U CN215317012U CN 215317012 U CN215317012 U CN 215317012U CN 202120883779 U CN202120883779 U CN 202120883779U CN 215317012 U CN215317012 U CN 215317012U
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Abstract
The utility model discloses an annular center frame structure for a heavy deep hole processing machine tool, which comprises: the clamping jaw comprises an annular central frame body, a clamping jaw body fixed on the annular central frame body, a locking assembly fixed on the clamping jaw body and sealing bearing assemblies arranged at two ends of the clamping jaw body; the clamping jaw body comprises an annular intermediate body, a first connecting cylindrical piece and a second connecting cylindrical piece, wherein the first connecting cylindrical piece and the second connecting cylindrical piece are respectively connected to the two ends of the annular intermediate body in an integrated mode, the annular intermediate body is communicated with the interiors of the first connecting cylindrical piece and the second connecting cylindrical piece, and sealing bearing assemblies are respectively arranged on the first connecting cylindrical piece and the second connecting cylindrical piece. According to the utility model, the annular center frame for the heavy deep hole drilling machine tool adopts a sealing design, has long service life, saves the production cost, adopts a novel claw design, and has convenient operation, high efficiency and large locking force.
Description
Technical Field
The utility model relates to the technical field of machine tools, in particular to an annular center frame structure for a heavy deep hole machining machine tool.
Background
At present, when deep hole shaft parts are drilled, under the condition that the ratio of the length to the diameter of a shaft exceeds 10, a cutter bar is influenced by self gravity to generate deformation. In order to ensure the machining precision, a center frame is required. If the annular center frames are arranged at the two clamping ends, the rigidity of the machined part can be increased, so that the cutter bar is not eccentric during drilling. On the other hand, the vibration of the workpiece is reduced, and the accuracy is prevented from being influenced by resonance.
Traditional centre frame passes through the sleeve and supports the cutter arbor, and the central part sets up 4 jack catchs locking handle of a knife, and both ends are equipped with tapered roller atress even. But the wall thickness of the sleeve is limited, the threads of the clamping jaws are not suitable to be arranged too large, and the locking force strength of the clamping jaws is insufficient. In addition, the traditional annular center frame is not provided with a sealed tapered roller bearing, the traditional annular center frame is difficult to adapt to a severe production environment, the structure is difficult to operate, particularly in the operation process, the traditional annular center frame is easy to damage, and the operation space is very limited.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the annular center frame structure for the heavy deep hole drilling machine tool. To achieve the above objects and other advantages in accordance with the present invention, there is provided an annular steady rest structure for a heavy-duty deep hole machining tool, comprising:
the clamping jaw comprises an annular central frame body, a clamping jaw body fixed on the annular central frame body, a locking assembly fixed on the clamping jaw body and sealing bearing assemblies arranged at two ends of the clamping jaw body;
the clamping jaw body comprises an annular intermediate body, a first connecting cylindrical piece and a second connecting cylindrical piece, wherein the first connecting cylindrical piece and the second connecting cylindrical piece are respectively connected to the two ends of the annular intermediate body in an integrated mode, the annular intermediate body is communicated with the interiors of the first connecting cylindrical piece and the second connecting cylindrical piece, and sealing bearing assemblies are respectively arranged on the first connecting cylindrical piece and the second connecting cylindrical piece.
Preferably, the annular intermediate body is uniformly provided with accommodating through holes, and locking assemblies are placed in the accommodating through holes.
Preferably, the locking assembly comprises a flange plate, a first fixed cylinder fixed on the flange plate, a second fixed cylinder sleeved in the first fixed cylinder, and a locking screw rod extending from the flange plate to the second fixed cylinder, and a clamping jaw is fixed at the bottom of the locking screw rod through a screw.
Preferably, the seal bearing assembly comprises a central felt ring sleeved on the first connecting cylindrical piece and the second connecting cylindrical piece and a tapered roller bearing sleeved on the first connecting cylindrical piece and the second connecting cylindrical piece, and a fixed flange plate is arranged at one end of the tapered roller bearing.
Preferably, an arc-shaped mounting groove is formed in each of two end faces of the annular center frame body, a claw body mounting groove is formed in the middle of the annular center frame body, the second fixing cylinder in the first fixing cylinder is mounted in the arc-shaped mounting groove, and the claw body mounting groove is embedded in the claw body mounting groove.
Preferably, the annular center frame body is fixedly connected with a first upper cover and a second upper cover, the first upper cover and the second upper cover are respectively arranged on a tapered roller bearing on a second fixed cylinder in the first fixed cylinder, and the first upper cover and the second upper cover are respectively fixedly connected with a hanging ring.
Compared with the prior art, the utility model has the beneficial effects that: through the outstanding locking device of the jack catch body, it is more convenient to operate during the chucking, and the dress card is efficient, and seal bearing for can adapt to more abominable processing environment, the life-span is longer, has realized simple operation, longe-lived, in the aspect of the atress of annular centre frame, does not take place great influence because of the change of structure, can satisfy service requirements such as abominable operating mode, is applicable to heavy deep hole drill lathe and uses.
Drawings
FIG. 1 is a schematic three-dimensional structure of an annular steady rest structure for a heavy-duty deep hole machine according to the present invention;
fig. 2 is a schematic diagram of a three-dimensional explosion structure of an annular center frame structure for a heavy deep hole machining tool according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, an annular center frame structure for a heavy deep hole machining tool includes: the annular center frame body 10, the jaw body 40 fixed on the annular center frame body 10, the locking assembly 60 fixed on the jaw body 40, and the sealing bearing assemblies 70 arranged at two ends of the jaw body 40; the jaw body 40 includes an annular intermediate body and respectively integral type connect in the cylinder piece is connected with the second to the first cylinder piece of connecting at annular intermediate body both ends, annular intermediate body and first cylinder piece of connecting are connected with the second is inside to be linked together, be provided with sealed bearing subassembly 70 on the cylinder piece is connected with the second to first cylinder piece of connecting respectively, through erectting jaw body 40 on annular center frame body 10 during the installation, install sealed bearing subassembly 70 on jaw body 40's both ends to sealed bearing subassembly 70 is installed on jaw body 40's both ends through sealed form, makes simple to operate quick, and easy operation is convenient during the chucking.
Furthermore, the annular intermediate body is evenly provided with accommodating through holes, and locking assemblies 60 are placed in the accommodating through holes.
Further, locking Assembly 60 includes the ring flange, is fixed in first fixed drum on the ring flange, cup joint in the fixed drum of second in the first fixed drum and the locking screw who extends to in the fixed drum of second from the ring flange, there is the jack catch locking screw bottom through the fix with screw, drives the jack catch through rotating locking screw and removes for the jack catch removes to being blocked spare, realizes the locking function.
Further, the seal bearing assembly 70 includes a central felt ring sleeved on the first connecting cylinder and the second connecting cylinder and a tapered roller bearing sleeved on the first connecting cylinder and the second connecting cylinder, wherein a fixed flange is arranged at one end of the tapered roller bearing, and the tapered roller bearing plays a role in supporting and fixing.
Further, an arc-shaped mounting groove is formed in each of two end faces of the annular center frame body 10, a claw body mounting groove is formed in the middle of the annular center frame body 10, a second fixing cylinder in the first fixing cylinder is mounted in the arc-shaped mounting groove, and the claw body mounting groove is embedded in the claw body mounting groove.
Further, a first upper cover 20 and a second upper cover 20 are fixedly connected to the annular center frame body 10, the first upper cover 20 and the second upper cover 20 are respectively arranged on the tapered roller bearings on the second fixed cylinder in the first fixed cylinder, and the first upper cover 20 and the second upper cover 20 are respectively fixedly connected with a hanging ring for facilitating lifting.
The number of devices and the scale of the processes described herein are intended to simplify the description of the utility model, and applications, modifications and variations of the utility model will be apparent to those skilled in the art.
While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides an used annular centre frame structure of heavy BTA machine tool which characterized in that includes:
the clamping device comprises an annular center frame body (10), a clamping jaw body (40) fixed on the annular center frame body (10), a locking assembly (60) fixed on the clamping jaw body (40) and sealing bearing assemblies (70) arranged at two ends of the clamping jaw body (40);
the clamping jaw body (40) comprises an annular intermediate body, a first connecting cylinder piece and a second connecting cylinder piece, wherein the first connecting cylinder piece and the second connecting cylinder piece are respectively connected to the two ends of the annular intermediate body in an integrated mode, the annular intermediate body is communicated with the interiors of the first connecting cylinder piece and the second connecting cylinder piece, and sealing bearing assemblies (70) are respectively arranged on the first connecting cylinder piece and the second connecting cylinder piece.
2. The annular center frame structure for the heavy deep hole machining tool is characterized in that the annular middle body is uniformly provided with accommodating through holes, and the locking assemblies (60) are placed in the accommodating through holes.
3. The circular center frame structure for the heavy deep hole machining tool is characterized in that the locking assembly (60) comprises a flange plate, a first fixed cylinder fixed on the flange plate, a second fixed cylinder sleeved in the first fixed cylinder and a locking screw rod extending from the flange plate to the second fixed cylinder, and a jaw is fixed at the bottom of the locking screw rod through a screw.
4. The circular steady rest structure for a heavy deep hole machining tool according to claim 1, wherein the seal bearing assembly (70) comprises a central felt fitted over the first connecting cylinder and the second connecting cylinder and a tapered roller bearing fitted over the first connecting cylinder and the second connecting cylinder, the tapered roller bearing having a fixed flange provided at one end thereof.
5. The annular center frame structure for the heavy deep hole processing machine tool according to claim 1, wherein the annular center frame body (10) has an arc-shaped mounting groove formed on each end surface thereof, and a claw body mounting groove formed in the middle of the annular center frame body (10), and the second fixing cylinder in the first fixing cylinder is mounted in the arc-shaped mounting groove, and the claw body mounting groove is engaged with the claw body mounting groove.
6. The annular center frame structure for the heavy deep hole machining tool is characterized in that a first upper cover (20) and a second upper cover (20) are fixedly connected to the annular center frame body (10), the first upper cover (20) and the second upper cover (20) are respectively arranged on tapered roller bearings on a second fixed cylinder in a first fixed cylinder, and lifting rings are respectively fixedly connected to the first upper cover (20) and the second upper cover (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120883779.1U CN215317012U (en) | 2021-04-27 | 2021-04-27 | Annular center frame structure for heavy deep hole machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120883779.1U CN215317012U (en) | 2021-04-27 | 2021-04-27 | Annular center frame structure for heavy deep hole machining tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215317012U true CN215317012U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120883779.1U Active CN215317012U (en) | 2021-04-27 | 2021-04-27 | Annular center frame structure for heavy deep hole machining tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215317012U (en) |
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2021
- 2021-04-27 CN CN202120883779.1U patent/CN215317012U/en active Active
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