CN210938235U - A auxiliary support seat for processing have suspension portion flywheel shell - Google Patents
A auxiliary support seat for processing have suspension portion flywheel shell Download PDFInfo
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- CN210938235U CN210938235U CN201922100386.4U CN201922100386U CN210938235U CN 210938235 U CN210938235 U CN 210938235U CN 201922100386 U CN201922100386 U CN 201922100386U CN 210938235 U CN210938235 U CN 210938235U
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- lead screw
- guide cylinder
- screw rod
- jackscrew
- guide groove
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Abstract
The utility model discloses an auxiliary supporting seat for processing a flywheel housing with a suspension part, which comprises a base, wherein a lead screw guide cylinder is fixed on the base, a plane bearing is arranged at the upper end of the lead screw guide cylinder, a lead screw penetrates out of the lead screw guide cylinder and the plane bearing and extends upwards, a gland nut is arranged on the plane bearing, the gland nut is in threaded connection with the lead screw, a gland plate which is connected by a spring ejector bead structure in a matching way is arranged outside the gland nut, a T-shaped ejector rod is fixed at the top of the lead screw, and the upper end surface of the ejector rod forms a supporting part of the suspension part of the flywheel housing; the outer peripheral surface of the screw rod is provided with an axial guide groove, a jackscrew penetrates out of a jackscrew hole in the upper part of the screw rod guide cylinder along the vertical direction of the axial guide groove, and the inner end of the jackscrew is arranged in the axial guide groove and used for limiting the circumferential movement of the screw rod along the screw rod guide cylinder. The utility model discloses a spring top pearl structure controls auxiliary stay device's tight power in top through the spring to guarantee that the part does not shake in man-hour, indeformable, guaranteed the plane degree of part.
Description
Technical Field
The utility model relates to a bell housing processing technology field, concretely relates to an auxiliary supporting seat for processing have free portion bell housing.
Background
With the development of technology, the power output units of the engine of the commercial vehicle are gradually increased, such as the power output unit with an air conditioner, and the like, a suspension part a (as shown in fig. 4) needs to be added on the basis of the existing flywheel housing H of the engine.
In implementing the present invention, the inventor finds that the flywheel housing H with the suspension portion a has at least the following problems in the processing process:
because the flatness of the flywheel housing H cylinder body joint surface is required to be within 0.12mm, the cylinder body oil leakage can be caused by out-of-tolerance. When milling unsettled position, can take place to shake the sword and the condition of stepping down, prior art is through using the screw to assist the top tight, and the workman can't control the tight dynamics in top and very easily causes the tight deformation in top, need through rough milling, half finish milling, accurate grinding just can guarantee the plane degree, add a grinding machine during processing, one more process.
Disclosure of Invention
In order to solve the problem, the utility model provides a supplementary supporting seat for processing have unsettled portion bell housing, low in manufacturing cost, the part can not warp when the unsettled position of tight bell housing in top, can practice thrift a grinding machine, few one process.
Therefore, the technical scheme of the utility model is that: the utility model provides an auxiliary supporting seat for processing have free portion flywheel shell, includes the base, its characterized in that:
a lead screw guide cylinder is fixed on the base in the vertical direction, a plane bearing is arranged at the upper end of the lead screw guide cylinder, a lead screw penetrates out of the lead screw guide cylinder and the plane bearing and extends upwards, a compression nut is arranged on the plane bearing and is in threaded connection with the lead screw, a compression disc is connected outside the compression nut, a T-shaped ejector rod is fixed at the top of the lead screw, and the upper end surface of the ejector rod forms a supporting part of a flywheel shell suspension part;
the outer peripheral surface of the screw rod is provided with an axial guide groove, a jackscrew penetrates out of a jackscrew hole in the upper part of the screw rod guide cylinder along the vertical direction of the axial guide groove, and the inner end of the jackscrew is arranged in the axial guide groove and used for limiting the circumferential movement of the screw rod along the screw rod guide cylinder;
the pressing disc comprises an inner annular seat and an outer annular handle, the outer annular handle and the inner annular seat are connected through a connecting rod, the inner annular seat is sleeved outside the pressing nut, the inner annular seat and the pressing nut are connected in a clearance fit mode, a plurality of arc-shaped grooves are uniformly distributed on the same circumference of the outer circumferential surface of the pressing nut, a radial thread mounting hole is formed in the inner annular seat corresponding to the arc-shaped grooves of the pressing nut, steel balls and springs are mounted in the thread mounting hole from inside to outside, and the steel balls are pressed in the arc-shaped grooves of the pressing nut through jackscrews.
Preferably, a rubber pad is arranged on the upper end face of the ejector rod.
Preferably, the stiffness coefficient of the spring is adapted to the deformation amount of the flywheel housing suspension portion.
Has the advantages that: the utility model adopts the spring supporting bead structure, and the springs with different stiffness coefficients are replaced according to the wall thickness of different products to control the supporting force of the auxiliary supporting device, thereby ensuring no vibration and no deformation when parts are processed and ensuring the flatness of the parts;
the upper end face of the ejector rod is bonded with a rubber pad, and the ejector rod is directly contacted with a part during operation, so that the part can be prevented from being crushed and damaged, and the shock absorption effect can be realized during processing.
Compared with the prior art, the utility model can rapidly clamp the parts, when the suspended parts are milled, the cutter vibration and the downward abdication can not occur, the jacking deformation can not be caused, the flatness of the flywheel housing cylinder body combination surface is ensured to be controlled within 0.12mm, and the risk of oil leakage of the engine cylinder body is reduced; meanwhile, one grinding machine is saved, one process is omitted, and the production cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a schematic view of the present invention in an operating state.
FIG. 4 is a block diagram of a flywheel housing with a suspension.
Shown in the figure: 1. a base; 2. a screw rod guide cylinder; 3. a flat bearing; 4. a compression nut; 5. a screw rod; 6. a top rod; 7. a compression disc; 7-1, an inner annular seat; 7-2, an outer annular handle; 7-3, connecting rod; 8. a first top thread; 9. a spring; 10. a second top thread; 11. a rubber pad; 12. steel balls; A. a flywheel housing suspension portion; B. simulating a cutter; H. a flywheel housing.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, but the embodiment should not be construed as limiting the present invention.
The utility model discloses as shown in fig. 1 and fig. 3:
an auxiliary supporting seat for processing a flywheel housing with a suspended part comprises a base 1, wherein a screw rod guide cylinder 2 is fixed on the base 1 in the vertical direction, a step hole is formed in the upper end of the screw rod guide cylinder 2, a planar bearing 3 is installed in the step hole, a screw rod 5 penetrates out of the screw rod guide cylinder 2 and the planar bearing 3 and extends upwards, a compression nut 4 is arranged on the planar bearing 3, the compression nut 4 is in threaded connection with the screw rod 5, a compression plate 7 is connected outside the compression nut 4, a T-shaped ejector rod 6 is fixed in the center of the top of the screw rod 5 through threaded fit, a rubber pad 11 is arranged on the upper end face of the ejector rod 6, and the upper end face of the rubber pad 11 forms a supporting part of the suspended part A;
an axial guide groove is formed in the outer peripheral surface of the screw rod 5, a first jackscrew 8 penetrates out of a jackscrew hole in the upper portion of the screw rod guide cylinder 2 along the vertical direction of the axial guide groove, and the inner end of the first jackscrew is arranged in the axial guide groove and used for limiting the circumferential movement of the screw rod 5 along the screw rod guide cylinder 2;
the pressing disc 7 comprises an inner annular seat 7-1 and an outer annular handle 7-2, the outer annular handle and the inner annular seat are connected through a connecting rod 7-3, an inner annular seat sleeve 7-1 is arranged outside the pressing nut 4, the inner annular seat sleeve and the pressing nut are connected in a clearance fit mode, a plurality of arc-shaped grooves are uniformly distributed on the same circumference of the outer circumferential surface of the pressing nut 4, a radial threaded mounting hole is formed in the position, corresponding to the pressing nut, of the inner annular seat 7-1, steel balls 12 and springs 9 are mounted in the threaded mounting hole from inside to outside, and the steel balls 12 are pressed in the arc-shaped grooves of the pressing nut 4 through a jackscrew II 10.
The stiffness coefficient of the spring 9 is adaptive to the deformation quantity of the flywheel housing suspension part A.
The utility model discloses a theory of operation:
when the auxiliary supporting seat is used, the auxiliary supporting seat is arranged on a workbench below a flywheel housing suspension part A to be processed, a flywheel housing H is clamped, a pressing disc is rotated, a screw rod moves upwards through relative motion, a mandril at the upper end of the screw rod is abutted to the flywheel housing suspension part, resistance is generated after the pressing disc is pressed tightly, when the pressing disc is continuously rotated, a spring contracts, a steel ball can slip in an arc-shaped groove of a pressing nut, the screw rod cannot continuously rise, does not have force and then upwards pushes, and the processing can be carried out by using a simulation cutter B shown in fig. 3;
after the flywheel housing H is machined, the pressing disc is rotated and loosened in the opposite direction, and then the parts can be dismounted.
When the device is used, springs with different stiffness coefficients are selected according to different suspension positions and wall thicknesses of the flywheel shells, the upward force of the ejector rod is adjusted, the products are prevented from deforming and shaking during processing, and therefore the flatness of parts is guaranteed.
The utility model discloses still can extend and be applied to the auxiliary stay who takes the processing of suspended portion parts.
Those skilled in the art will appreciate that the details of the present invention are not described in detail herein.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (3)
1. The utility model provides an auxiliary supporting seat for processing have free portion flywheel shell, includes the base, its characterized in that:
a lead screw guide cylinder is fixed on the base in the vertical direction, a plane bearing is arranged at the upper end of the lead screw guide cylinder, a lead screw penetrates out of the lead screw guide cylinder and the plane bearing and extends upwards, a compression nut is arranged on the plane bearing and is in threaded connection with the lead screw, a compression disc is connected outside the compression nut, a T-shaped ejector rod is fixed at the top of the lead screw, and the upper end surface of the ejector rod forms a supporting part of a flywheel shell suspension part;
the outer peripheral surface of the screw rod is provided with an axial guide groove, a jackscrew penetrates out of a jackscrew hole in the upper part of the screw rod guide cylinder along the vertical direction of the axial guide groove, and the inner end of the jackscrew is arranged in the axial guide groove and used for limiting the circumferential movement of the screw rod along the screw rod guide cylinder;
the pressing disc comprises an inner annular seat and an outer annular handle, the outer annular handle and the inner annular seat are connected through a connecting rod, the inner annular seat is sleeved outside the pressing nut, the inner annular seat and the pressing nut are connected in a clearance fit mode, a plurality of arc-shaped grooves are evenly distributed on the same circumference of the outer peripheral face of the pressing nut, a radial thread mounting hole is formed in the inner annular seat and corresponds to the arc-shaped grooves of the pressing nut, steel balls and springs are mounted in the thread mounting hole from inside to outside, and the steel balls are jacked in the arc-shaped grooves of the pressing nut through jackscrews.
2. The auxiliary support seat for machining a flywheel housing with a suspended portion as claimed in claim 1, wherein: and a rubber pad is arranged on the upper end face of the ejector rod.
3. An auxiliary support seat for processing a flywheel housing with a suspended part according to claim 1 or the above, wherein: the stiffness coefficient of the spring is adaptive to the deformation of the suspension part of the flywheel housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922100386.4U CN210938235U (en) | 2019-11-29 | 2019-11-29 | A auxiliary support seat for processing have suspension portion flywheel shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922100386.4U CN210938235U (en) | 2019-11-29 | 2019-11-29 | A auxiliary support seat for processing have suspension portion flywheel shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210938235U true CN210938235U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922100386.4U Active CN210938235U (en) | 2019-11-29 | 2019-11-29 | A auxiliary support seat for processing have suspension portion flywheel shell |
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| Country | Link |
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| CN (1) | CN210938235U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258288A (en) * | 2022-08-10 | 2022-11-01 | 四川康特能药业有限公司 | Filling and packaging device |
-
2019
- 2019-11-29 CN CN201922100386.4U patent/CN210938235U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258288A (en) * | 2022-08-10 | 2022-11-01 | 四川康特能药业有限公司 | Filling and packaging device |
| CN115258288B (en) * | 2022-08-10 | 2023-08-22 | 四川康特能药业有限公司 | Filling and packaging device |
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