CN217571942U - Annular central support frame - Google Patents
Annular central support frame Download PDFInfo
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- CN217571942U CN217571942U CN202221682579.0U CN202221682579U CN217571942U CN 217571942 U CN217571942 U CN 217571942U CN 202221682579 U CN202221682579 U CN 202221682579U CN 217571942 U CN217571942 U CN 217571942U
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- jack catch
- support frame
- workpiece
- jaw
- work piece
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Abstract
The utility model discloses an annular central support frame, wherein an annular claw body is arranged inside a support frame body, and a bearing is arranged between the claw body and the support frame body; a plurality of jaw modules are uniformly distributed on the outer wall of the jaw body; the jack catch module sets up in the middle part of jack catch body, all is provided with outer nut in every jack catch module, and the inside of outer nut is provided with the internal screw, still is provided with the jack catch on the internal screw, realizes through drive arrangement that the independent drive of internal screw is with this realization to the independent drive of jack catch. The utility model discloses during the use, the work piece passes jack catch internal chamber, and jack catch and work piece outer wall extrusion contact are used for supporting the work piece. The clamping jaws can be adjusted through the screw according to the outer diameter of the workpiece, and can play a good adjusting function on the rotary machining workpiece with a long workpiece and an irregular shape and the round workpiece with a large bending.
Description
Technical Field
The utility model relates to a deep hole processing equipment technical field, concretely relates to annular center support frame for processing of deep hole work piece.
Background
At present, when being used for processing annular spare part among the prior art, generally realize the face support of circular work piece through the work piece centre frame on the board and the cooperation of bracket, but the drawback of this kind of fixed stay mode lies in: when the workpiece is subjected to rotary machining, the bracket and the workpiece center frame can only support the workpiece with better outer diameter roundness.
The existing deep hole drilling and boring machine is longitudinal, the length-diameter ratio of inner hole processing is between 1:5-1:150 mm, namely the length of the workpiece can reach 15m at most when the inner hole of the workpiece is machined by 100mm, so that the workpiece is supported in deep hole machining. The conventional processing has the following technical disadvantages: 1. the excircle of the position where the workpiece center frame is lifted needs to be turned to ensure the smooth finish and the coaxiality of the contact surface; when the workpiece is long and bent, straightening treatment is required, and the processing procedures are increased; 2. when the square part is machined, the square part can only be machined in a mode of fixing a workpiece and rotationally feeding a boring bar; 3. the deviation of the inner hole of the processed workpiece is large.
The existing auxiliary workpiece support cannot effectively solve the problems, and as a deep hole field processing technician, the existing auxiliary workpiece support needs to solve the defects existing in the prior art through deep hole processing.
Disclosure of Invention
The benefit is with the shortcoming in the prior art, the utility model aims to reduce the preparation in earlier stage to the work piece and adopt the gyration mode to support to various external diameter (square, circular) work pieces before the BTA to solve the problem that the BTA that prior art exists.
The adopted specific technical scheme is as follows:
an annular central support frame comprises a support frame body, wherein an annular clamping jaw body is arranged inside the support frame body, and a bearing is arranged between the clamping jaw body and the support frame body; a plurality of jaw modules are uniformly distributed on the outer wall of the jaw body; the clamping jaw module is arranged in the middle of the clamping jaw body, each clamping jaw module comprises a counter bore penetrating through the outer wall of the clamping jaw body, an outer nut is arranged in the counter bore, an inner screw is arranged inside the outer nut, clamping jaws are further arranged on the inner screw, and the inner screw is driven by a driving device so as to drive the clamping jaws.
The middle part of the inner screw is provided with a cavity which is polygonal or elliptical, and a driving rod arranged in the cavity drives the inner screw to rotate under external driving force.
The inner wall of the clamping claw body is provided with a reinforcing bulge for integral reinforcement.
The front side and the rear side of the clamping jaw body are blocked by side part stop blocks.
The support frame body is divided into an upper part and a lower part, and a bottom support at the lower part is fixed on the base through a guide block.
The beneficial effects of the utility model are that: the utility model adopts the structure, the inside of the support frame body is provided with an annular clamping jaw body, and a bearing is arranged between the clamping jaw body and the support frame body; a plurality of jaw modules are uniformly distributed on the outer wall of the jaw body; the jack catch module sets up in the middle part of jack catch body, is provided with outer nut in every jack catch module, and the inside of outer nut is provided with interior screw rod, still is provided with the jack catch on the interior screw rod, realizes through drive arrangement that the independent drive of interior screw rod realizes the independent drive to the jack catch with this. The utility model discloses during the use, the work piece passes jack catch internal chamber, jack catch and work piece outer wall extrusion contact for support the work piece. The jaw can be adjusted according to the outer diameter of the workpiece through the screw rod. The utility model discloses to the longer and the anomalous rotary machining work piece of appearance of work piece and the great circular workpiece of bending, can play supplementary processing functions such as fine regulation and adjustment.
Drawings
The structure of the device of the present invention will be further explained with reference to the accompanying drawings.
FIG. 1 is a front view of the internal structure of the device;
FIG. 2 is a side view of the device;
the device comprises a base, 2, a bottom support, 21, a guide block, 3, a top support, 31, a lifting ring, 4, a clamping jaw body, 41, a bearing, 42, a bearing end cover, 43, a sealing ring, 44, a reinforcing protrusion, 5, a clamping jaw module, 51, an outer nut, 52, an inner screw rod, 53, a driving rod, 54 and a clamping jaw.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.
The utility model provides an annular center support frame, as shown in the attached drawing, it includes a support body, the support body by bottom support 2 and 3 bolt locking of top support to integrated into one piece, the top of top support 3 is provided with rings 31 and is used for realizing the top hoist and mount and uses, the bottom of bottom support 2 is provided with two sets of guide blocks 21, realize through the cooperation of two sets of guide blocks with the base fixed to this realization whole annular center support frame's sideslip direction.
An annular clamping jaw body 4 is arranged at the center of the inside of the support frame body, a bearing 41 is arranged between the clamping jaw body 4 and the support frame body, and the clamping jaw body 4 can rotate inside the support frame body. The inner wall of the jaw body 4 is provided with a reinforcing protrusion 44 for integral reinforcement.
Four clamping jaw modules 5 are uniformly distributed on the outer wall of the clamping jaw body 4, and the four clamping jaw modules 5 are uniformly distributed on the clamping jaw body 4; the jaw modules 5 are arranged in the middle of the jaw body 4, each jaw module 5 comprises a counter bore penetrating through the outer wall of the jaw body 4, an outer nut 51 and the jaw body 4 are arranged in the counter bore and fixed into a whole, an inner screw 52 is arranged inside the outer nut 51, jaws 54 are further arranged on the inner screw 52, and the inner screw 52 is driven by a driving device to drive the jaws 54. When the claw bodies 4 are fixed on the support frame body, the front side and the rear side of the claw bodies are sealed by the side stop blocks 42 and the sealing rings 43.
Through the structure, when deep hole machining is carried out, the clamping jaw 54 is in contact with the outer wall of a workpiece and is used for supporting the workpiece, and the clamping jaw body 4 rotates along with the workpiece, so that good auxiliary machining functions such as adjustment and the like can be achieved.
Further, the utility model discloses when realizing the drive to jack catch 54, its drive structure as follows: the middle part of the inner screw 52 is provided with a cavity which is of a quadrilateral structure, and a driving rod 53 arranged in the cavity realizes the rotary driving of the inner screw 52 under the external driving force. The structure can realize that the clamping jaws 54 in each clamping jaw module 5 are independently driven and can be adjusted within a specified size range according to the change of the outer diameter of a workpiece, and the clamping jaws adopt an independent driving structure, so that the outer diameter of an irregular workpiece can be supported, and the workpiece with a quadrilateral or polygonal structure can be clamped.
To summarize: the utility model is provided with an annular clamping jaw body 4 inside the supporting frame body, and a bearing 41 is arranged between the clamping jaw body 4 and the supporting frame body; a plurality of jaw modules 5 are uniformly distributed on the outer wall of the jaw body 4; the jaw modules 5 are arranged in the middle of the jaw body 4, a jaw 54 is arranged in each jaw module 5, and the jaw 54 is driven independently through a driving device.
The utility model discloses during the use, the work piece passes jack catch internal chamber, and jack catch 54 is used for supporting the work piece with work piece outer wall extrusion contact, and the jack catch body is rotatory along with the work piece, can effectually carry out auxiliary stay to the work piece. The jaw 54 is independently adjusted according to the outer diameter of the workpiece through the screw, and can perform good auxiliary processing functions such as adjustment and regulation on a rotary processing workpiece with a long workpiece and an irregular shape and a round workpiece with a large bending.
Claims (5)
1. The utility model provides an annular center support frame which characterized in that: the clamping device comprises a support frame body, wherein an annular clamping jaw body is arranged inside the support frame body, and a bearing is arranged between the clamping jaw body and the support frame body; a plurality of jaw modules are uniformly distributed on the outer wall of the jaw body; the jack catch module sets up in the middle part of jack catch body, and every jack catch module connects including a counter bore that runs through the jack catch body outer wall, is provided with outer nut in the counter bore, and the inside of outer nut is provided with interior screw rod, still is provided with the jack catch on the interior screw rod, realizes the drive of interior screw rod and realizes the drive to the jack catch through drive arrangement.
2. The annular center support of claim 1, wherein: the middle part of the inner screw is provided with a cavity which is polygonal or elliptical and is internally provided with a driving rod.
3. The annular center support of claim 1, wherein: the inner wall of the clamping claw body is provided with a reinforcing bulge.
4. The annular center support of claim 1, wherein: lateral stop blocks are arranged on the front side and the rear side of the jaw body.
5. The annular center support of claim 1, wherein: the support frame body is divided into an upper part and a lower part, and a bottom support at the lower part is fixed on the base through a guide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221682579.0U CN217571942U (en) | 2022-06-30 | 2022-06-30 | Annular central support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221682579.0U CN217571942U (en) | 2022-06-30 | 2022-06-30 | Annular central support frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217571942U true CN217571942U (en) | 2022-10-14 |
Family
ID=83533280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221682579.0U Active CN217571942U (en) | 2022-06-30 | 2022-06-30 | Annular central support frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217571942U (en) |
-
2022
- 2022-06-30 CN CN202221682579.0U patent/CN217571942U/en active Active
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