CN112223114A - Groove grinding clamp for torsion measuring oil cylinder - Google Patents
Groove grinding clamp for torsion measuring oil cylinder Download PDFInfo
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- CN112223114A CN112223114A CN202011047368.5A CN202011047368A CN112223114A CN 112223114 A CN112223114 A CN 112223114A CN 202011047368 A CN202011047368 A CN 202011047368A CN 112223114 A CN112223114 A CN 112223114A
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- oil cylinder
- hole
- cooling liquid
- torsion measuring
- measuring oil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a groove grinding clamp of a torque measuring oil cylinder, wherein a central inner hole is axially arranged in the torque measuring oil cylinder, a boss is arranged at the first end of the torque measuring oil cylinder, an end hole is radially arranged at the second end of the torque measuring oil cylinder, the end hole is communicated with the central inner hole through a connecting hole, the groove grinding clamp is used for positioning and clamping the torque measuring oil cylinder so as to grind and machine an excircle groove communicated with the central inner hole on the excircle surface of the torque measuring oil cylinder, and comprises a clamp body, a rotating turntable arranged on the clamp body, an axial positioning mechanism arranged on the rotating turntable and used for precisely matching with the central inner hole and axially positioning the torque measuring oil cylinder, and an angular positioning mechanism arranged on the clamp body and used for precisely matching with the end hole so as to angularly position the torque measuring oil cylinder; and a cooling liquid conveying pipeline used for conveying cooling liquid to the inner side of the grinding part of the outer circular groove is arranged in the axial positioning mechanism, so that the grinding part of the outer circular groove is cooled during grinding through the cooling liquid.
Description
Technical Field
The invention relates to the technical field of groove grinding processing of a torsion measuring oil cylinder, in particular to a groove grinding clamp of the torsion measuring oil cylinder.
Background
The torsion measuring oil cylinder part is one of typical parts in an aircraft engine, the torsion measuring oil cylinder part is a long-cylinder thin-wall part, the parts are large in batch, high in processing frequency and large in quantity, heavy in task and tight in delivery node, when the outer circular groove of the part is ground and processed on a plane groove grinding machine, due to the fact that the space of the outer circular groove is small, the position where the outer circular groove is connected with a central inner hole is sharp, particularly the edge part is very thin, the temperature of the grinding part is high, heat is concentrated, the problem that the grinding part is easily burnt and deformed during grinding is easily caused, and the quality of the torsion measuring oil cylinder is difficult to effectively guarantee.
Disclosure of Invention
The invention provides a groove grinding clamp of a torsion measuring oil cylinder, which aims to solve the technical problem that grinding burn and deformation of a grinding part are caused by high temperature of the grinding part when the torsion measuring oil cylinder carries out grinding processing of an outer circular groove.
According to one aspect of the invention, a groove grinding clamp of a torsion measuring oil cylinder is provided, wherein a central inner hole is axially arranged in the torsion measuring oil cylinder, a boss is arranged at the first end of the torsion measuring oil cylinder, a groove communicated with the central inner hole is arranged in the boss, an end hole is radially arranged at the second end of the torsion measuring oil cylinder, the end hole is communicated with the central inner hole through a connecting hole, the groove grinding clamp is used for positioning and clamping the torsion measuring oil cylinder so as to grind and process an excircle groove communicated with the central inner hole on the excircle surface of the torsion measuring oil cylinder, and comprises a clamp body, a rotating turntable arranged on the clamp body, an axial positioning mechanism arranged on the rotating turntable and used for precisely matching with the central inner hole and axially positioning the torsion measuring oil cylinder, and an angular positioning mechanism arranged on the clamp body and used for precisely matching with the end hole so as to angularly position the torsion measuring oil; and a cooling liquid conveying pipeline used for conveying cooling liquid to the inner side of the grinding part of the outer circular groove is arranged in the axial positioning mechanism, so that the grinding part of the outer circular groove is cooled during grinding through the cooling liquid.
Furthermore, the axial positioning mechanism comprises an axial positioning core rod which is rotationally connected with the clamp body and fixedly connected with the rotary turntable and is used for being precisely matched with the central inner hole, and a compression structure which is used for compressing and fixing the torsion measuring oil cylinder on the axial positioning core rod on the rotary turntable along the axial direction, the axial position of the torsion measuring oil cylinder is fixed through the matching of the compression structure and the axial positioning core rod, and the cooling liquid conveying pipeline is arranged in the axial positioning core rod.
Further, the axial positioning core rod comprises a cooling section in clearance fit with a central inner hole of the torsion measuring oil cylinder, the cooling section is located on the inner side of the grinding part of the outer circular groove, a first cooling space communicated with the cooling liquid conveying pipeline is formed in a gap between the cooling section and the central inner hole, and the cooling liquid in the cooling liquid conveying pipeline is output to the first cooling space so as to cool the grinding part of the outer circular groove.
Further, the first cooling space communicates with the connection hole, so that the cooling liquid in the first cooling space, which has absorbed heat, is discharged from the connection hole.
Furthermore, a plurality of liquid outlets for enabling the cooling liquid in the cooling liquid conveying pipeline to enter the first cooling space are formed in the cooling section.
Further, the axial positioning core rod comprises a positioning section matched with a central inner hole of the torsion measuring oil cylinder, the outer peripheral surface of the positioning section comprises an arc surface attached to the inner wall surface of the central inner hole of the torsion measuring oil cylinder and a connecting surface in clearance fit with the inner wall surface of the central inner hole of the torsion measuring oil cylinder, the arc surfaces are distributed at equal intervals in the circumferential direction and are connected through the connecting surfaces, and a second cooling space communicated with the first cooling space is formed by a gap between the connecting surface and the inner wall surface of the central inner hole of the torsion measuring oil cylinder.
Furthermore, the pressing structure comprises a pressing plate and a pressing bolt used for installing the pressing plate on the rotary turntable, a pressing spring is sleeved on the pressing bolt, two ends of the pressing spring are respectively connected with the pressing plate and the rotary turntable, and the pressing plate presses the boss of the torsion measuring oil cylinder on the rotary turntable by adjusting the pressing bolt.
Further, the clamp body is provided with a cooling liquid input structure which is communicated with the cooling liquid conveying pipeline and is used for being communicated with the cooling liquid supply pipeline so as to convey the cooling liquid into the cooling liquid conveying pipeline.
Furthermore, the angular positioning mechanism comprises an angular positioning core rod which is used for being precisely matched with the end hole, a positioning hole which is arranged on the fixture body and is used for being matched with the angular positioning core rod in a positioning mode, and a turntable limiting structure which is used for fixing the rotary turntable on the fixture body, the rotary turntable is rotated along the circumferential direction, the torque measuring oil cylinder is driven to rotate synchronously, the angular positioning core rod is precisely matched with the end hole and is simultaneously matched with the positioning hole in a positioning mode, the rotary turntable is fixed on the fixture body through the turntable limiting structure, and the angle of the torque measuring oil cylinder is fixed.
Further, be equipped with the index hole along the axial on the rotatory carousel, a plurality of index holes are arranged along the circumference equidistance of rotatory carousel, and carousel limit structure is equipped with the angle hole that is used for wearing to establish the bayonet lock including installing bayonet lock on the anchor clamps body, the cover is equipped with taut spring on the assorted bayonet lock, and taut spring makes rotatory carousel spacing fixed with bayonet lock and anchor clamps body coupling through inserting the bayonet lock in the index hole.
The invention has the following beneficial effects:
the groove grinding clamp of the torsion measuring oil cylinder of the invention precisely matches the central inner hole of the torsion measuring oil cylinder through the axial positioning mechanism and axially positions the torsion measuring oil cylinder, the angular positioning of the torsion measuring oil cylinder is realized through the precise matching of the angular positioning mechanism arranged on the clamp body and the end hole of the torsion measuring oil cylinder, thereby positioning and clamping the torsion measuring oil cylinder on the groove grinding clamp to ensure that the grinding part of the outer circular groove is accurate, meanwhile, a cooling liquid conveying pipeline is arranged in the axial positioning mechanism to convey the cooling liquid to the inner side of the grinding part of the excircle groove, the grinding part of the excircle groove is cooled from the inner side by the cooling liquid in the grinding process, the cooling liquid absorbing heat is discharged from the notch of the excircle groove, the flowing cooling liquid continuously absorbs the grinding heat at the grinding part of the outer circular groove, thereby avoiding the grinding part from being burnt and deformed due to high temperature of the grinding part.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a torsion measuring cylinder according to a preferred embodiment of the present invention;
FIG. 2 is a schematic front view of a groove grinding fixture according to a preferred embodiment of the present invention;
FIG. 3 is a side view of the slot grinding fixture of the preferred embodiment of the present invention;
FIG. 4 is a schematic structural view of an axially positioned mandrel in accordance with a preferred embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a positioning segment of an axially positioned mandrel in accordance with a preferred embodiment of the present invention;
FIG. 6 is a schematic structural view of an angularly oriented mandrel of a preferred embodiment of the present invention;
FIG. 7 is a schematic structural view of a compression structure of a preferred embodiment of the present invention;
fig. 8 is a schematic structural diagram of a turntable limiting structure according to a preferred embodiment of the present invention.
Illustration of the drawings:
100. a torsion measuring oil cylinder; 101. a central inner bore; 102. an outer circular groove; 103. an end hole; 104. connecting holes; 105. a boss; 1. axially positioning the core rod; 11. a coolant delivery line; 12. a cooling section; 121. a liquid outlet; 13. a positioning section; 14. positioning blocks; 15. an installation section; 2. positioning the core rod angularly; 3. rotating the turntable; 31. indexing holes; 4. a clamp body; 41. an input pipe; 42. a hollow connecting bolt; 43. positioning holes; 5. a compression structure; 51. pressing a plate; 52. a hold-down bolt; 53. a compression spring; 6. a turntable limiting structure; 61. a bayonet lock; 62. tensioning the spring; 7. the handle is rotated.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.
FIG. 1 is a schematic structural diagram of a torsion measuring cylinder according to a preferred embodiment of the present invention; FIG. 2 is a schematic front view of a groove grinding fixture according to a preferred embodiment of the present invention; FIG. 3 is a side view of the slot grinding fixture of the preferred embodiment of the present invention; FIG. 4 is a schematic structural view of an axially positioned mandrel in accordance with a preferred embodiment of the present invention; FIG. 5 is a schematic cross-sectional view of a positioning segment of an axially positioned mandrel in accordance with a preferred embodiment of the present invention; FIG. 6 is a schematic structural view of an angularly oriented mandrel of a preferred embodiment of the present invention; FIG. 7 is a schematic structural view of a compression structure of a preferred embodiment of the present invention; fig. 8 is a schematic structural diagram of a turntable limiting structure according to a preferred embodiment of the present invention.
As shown in fig. 1 and fig. 2, in the groove grinding fixture for the torsion measuring cylinder of the present embodiment, a central inner hole 101 is axially disposed in a torsion measuring cylinder 100, a boss 105 is disposed at a first end of the torsion measuring cylinder 100, a groove communicated with the central inner hole 101 is disposed in the boss 105, an end hole 103 is radially disposed at a second end of the torsion measuring cylinder 100, the end hole 103 is communicated with the central inner hole 101 through a connecting hole 104, the groove grinding fixture is used for positioning and clamping the torsion measuring cylinder 100, the groove grinding fixture comprises a fixture body 4, a rotary turntable 3 arranged on the fixture body 4, an axial positioning mechanism arranged on the rotary turntable 3 and used for being precisely matched with the central inner hole 101 and axially positioning the torsion measuring oil cylinder 100, and an angular positioning mechanism arranged on the fixture body 4 and used for being precisely matched with an end hole 103 to angularly position the torsion measuring oil cylinder 100; the axial positioning mechanism is provided with a coolant conveying pipeline 11 for conveying coolant to the inner side of the grinding part of the outer circular groove 102, so that the grinding part of the outer circular groove 102 is cooled during grinding processing through the coolant.
As shown in fig. 2, the groove grinding fixture of the torsion measuring cylinder of the present invention precisely matches the central inner hole 101 of the torsion measuring cylinder 100 through the axial positioning mechanism and axially positions the torsion measuring cylinder 100, and precisely matches the end hole 103 of the torsion measuring cylinder 100 through the angular positioning mechanism mounted on the fixture body 4, so as to realize angular positioning of the torsion measuring cylinder 100, thereby positioning and clamping the torsion measuring cylinder 100 on the groove grinding fixture, so that the grinding part of the outer circular groove 102 is accurate, and at the same time, the cooling liquid is conveyed to the inner side of the grinding part of the outer circular groove 102 through the cooling liquid conveying pipeline 11 arranged in the axial positioning mechanism, the grinding part of the outer circular groove 102 is cooled from the inner side through the cooling liquid in the grinding process, the cooling liquid absorbing heat is discharged from the notch of the outer circular groove 102, so that the flowing cooling liquid continuously absorbs grinding heat at the grinding part of the outer circular groove 102, thereby avoiding the grinding burning and deformation of the grinding part caused by high temperature of the grinding part.
The axial positioning mechanism comprises an axial positioning core rod 1 which is rotatably connected with the clamp body 4 and fixedly connected with the rotary turntable 3 and is used for being precisely matched with the central inner hole 101, and a pressing structure 5 which is used for pressing and fixing the torsion measuring oil cylinder 100 on the axial positioning core rod 1 on the rotary turntable 3 along the axial direction, the axial position of the torsion measuring oil cylinder 100 is fixed through the matching of the pressing structure 5 and the axial positioning core rod 1, and the cooling liquid conveying pipeline 11 is arranged in the axial positioning core rod 1. The torsion measuring oil cylinder 100 is axially arranged on the axial positioning core rod 1, the central inner hole 101 is precisely matched with the axial positioning core rod 1, and the torsion measuring oil cylinder 100 is axially pressed on the rotary turntable 3 through the pressing structure 5, so that the axial position of the grinding part of the outer circular groove 102 on the torsion measuring oil cylinder 100 is accurate, and the torsion measuring oil cylinder 100 cannot axially move.
As shown in fig. 4, the axial positioning core rod 1 includes a cooling section 12 in clearance fit with a central inner hole 101 of the torsion measurement cylinder 100, the cooling section 12 is located inside a grinding portion of the outer circular groove 102, a first cooling space communicated with the cooling liquid conveying pipeline 11 is formed by a clearance between the cooling section 12 and the central inner hole 101, and the cooling liquid in the cooling liquid conveying pipeline 11 is output to the first cooling space, so that the grinding portion of the outer circular groove 102 is cooled. The grinding part of the outer circular groove 102 and the surrounding area of the grinding part are cooled through cooling in the first cooling space, so that the grinding part of the outer circular groove 102 has a better grinding environment, and deformation caused by grinding heat concentrated on the grinding part of the outer circular groove 102 and the surrounding area of the grinding part is avoided. In addition, the coolant in the coolant conveying pipeline 11 flows into the first cooling space to absorb the grinding heat, and flows out from the outer circular groove 102 after the grinding heat is absorbed, so that the coolant can be discharged more smoothly. In the present embodiment, the gap between the outer peripheral surface of the cooling segment 12 and the inner wall surface of the center hole at the grinding portion of the outer circular groove 102 constitutes an annular first cooling space.
As shown in fig. 2 and 4, the first cooling space communicates with the connection hole 104, so that a part of the cooling liquid in the first cooling space, which has absorbed heat, is discharged from the connection hole 104. The coolant absorbing the grinding heat in the first cooling space partially flows out from the outer circumferential groove 102 and partially is discharged from the connecting hole 104, thereby improving the efficiency of discharging the grinding heat. In the present embodiment, the gap between the end face of the axially positioned mandrel 1 near the inward end of the connecting hole 104 and the connecting hole 104 communicates the first cooling space with the connecting hole 104.
As shown in fig. 2, 4 and 5, the cooling section 12 is provided with a plurality of liquid outlets 121 for allowing the cooling liquid in the cooling liquid conveying pipeline 11 to enter the first cooling space. In this embodiment, the cooling section 12 is provided with two liquid outlets 121, one liquid outlet 121 is located at the grinding center of the outer circular groove 102, and the other liquid outlet 121 is used for liquid outlet and pressure maintaining to prevent the cooling liquid conveying pipeline 11 from being blocked. And the cooling liquid in the cooling conveying pipeline is discharged into the first cooling space through the plurality of liquid outlets 121 simultaneously to absorb the grinding heat quickly.
As shown in fig. 2, 4 and 5, the axial positioning core rod 1 includes a positioning section 13 matched with the central inner hole 101 of the torsion measuring cylinder 100, an outer peripheral surface of the positioning section 13 includes an arc surface attached to an inner wall surface of the central inner hole 101 of the torsion measuring cylinder 100 and a connecting surface in clearance fit with the inner wall surface of the central inner hole 101 of the torsion measuring cylinder 100, the arc surfaces are arranged at equal intervals along the circumferential direction and connected through the connecting surfaces, and a second cooling space communicated with the first cooling space is formed by a gap between the connecting surface and the inner wall surface of the central inner hole 101 of the torsion measuring cylinder 100. And a part of cooling liquid in the first cooling space flows into the second cooling space, so that the grinding heat discharge efficiency is further improved. In this embodiment, the radial cross-sectional shape of the positioning end is a prism, two pairs of edges are connected by two arcs arranged oppositely, a gap is formed between the two pairs of edges and the inner wall surface of the central inner hole 101, so as to form a second cooling space, and the two arcs are precisely matched with the inner wall surface of the central inner hole 101. In this embodiment, the axial positioning core rod 1 further includes a positioning block 14 connected to the positioning section 13 for matching with the groove of the torsion measuring cylinder 100. The positioning block 14 is fixed to the rotary turntable 3 by screws.
As shown in fig. 3 and 7, the pressing structure 5 includes a pressing plate 51 and a pressing bolt 52 for mounting the pressing plate 51 on the rotary turntable 3, the pressing bolt 52 is sleeved with a pressing spring 53, two ends of the pressing spring 53 are respectively connected with the pressing plate 51 and the rotary turntable 3, and the pressing plate 51 presses the boss 105 of the torsion measurement cylinder 100 on the rotary turntable 3 by adjusting the pressing bolt 52. Optionally, the original length of the compression spring 53 is smaller than the axial width of the boss 105 of the torsion measuring cylinder 100, and the pressing plate 51 is pressed and fixed on the boss 105 of the torsion measuring cylinder 100 through the elastic restoring force of the compression spring 53 and the pressing force of the compression bolt 52, so that the end face of the boss 105 is tightly attached to the rotary turntable 3. Optionally, the original length of the compression spring 53 is greater than the axial width of the boss 105 of the torque measuring cylinder 100, the compression plate 51 compresses the boss 105 of the torque measuring cylinder 100 on the rotary turntable 3 by adjusting the compression bolt 52, the compression spring 53 is in a compressed state, and when the disassembly is completed, the compression bolt 52 is loosened, and the compression plate 51 is ejected. The pressing plate 51 is pressed and fixed on the boss 105 of the torsion measuring cylinder 100 by the elastic restoring force of the pressing spring 53 and the pressing force of the pressing bolt 52, so that the end surface of the boss 105 is tightly attached to the rotary turntable 3. In the present embodiment, the pressure plate 51 is L-shaped.
As shown in fig. 2, the clamp body 4 is provided with a cooling liquid input structure communicated with the cooling liquid conveying pipeline 11 and used for being communicated with a cooling liquid supply pipeline so as to convey cooling liquid into the cooling liquid conveying pipeline 11. The coolant supply structure includes an input pipe 41 provided on the jig body 4 and a hollow connecting bolt 42 for communicating the input pipe 41 with the coolant supply line. The axial positioning core rod 1 further comprises an installation section 15 which is rotatably connected with the clamp body 4, and the installation section 15 is provided with a rotating handle 7.
As shown in fig. 2 and fig. 6, the angular positioning mechanism includes an angular positioning core rod 2 for precisely matching with the end hole 103, a positioning hole 43 arranged on the fixture body 4 for positioning and matching with the angular positioning core rod 2, and a turntable limiting structure 6 for fixing the rotary turntable 3 on the fixture body 4, the rotary turntable 3 is rotated in the circumferential direction, and the torque measuring cylinder 100 is driven to rotate synchronously, so that the angular positioning core rod 2 is precisely matched with the end hole 103 and simultaneously matched with the positioning hole 43 in a positioning manner, and further the rotary turntable 3 is fixed on the fixture body 4 through the turntable limiting structure 6, so that the angle of the torque measuring cylinder 100 is fixed. In the present embodiment, the plane of the end hole 103 is perpendicular to the groove bottom plane of the outer circular groove 102. When the end hole 103 is adjusted to the horizontality, the locating hole 43 is located under the end hole 103, thereby insert the angular orientation positioning core rod 2 into end hole 103 and locating hole 43 along vertical direction in proper order, thereby confirm to survey the angle of turning round hydro-cylinder 100, because the tank bottom plane of excircle groove 102 is vertical state this moment, for avoiding groove to grind anchor clamps and grinding machine tool interference, take off angular orientation positioning core rod 2 and rotate rotary table 3 90 degrees upwards, make the tank bottom plane of excircle groove 102 be horizontal state and notch up, and then be fixed in rotary table 3 on anchor clamps body 4 through carousel limit structure 6, and can't drive to survey and turn round hydro-cylinder 100 along circumferential direction. Optionally, when the end hole 103 is adjusted to be vertical, the bottom plane of the outer circular groove 102 is horizontal and the notch faces upward, the positioning hole 43 is located on the opposite side of the end hole 103, so that the angular positioning core rod 2 is sequentially inserted into the end hole 103 and the positioning hole 43 along the water product direction, the angular direction of the torque measuring cylinder 100 is determined, and then the rotating turntable 3 is fixed on the fixture body 4 through the turntable limiting structure 6, so that the torque measuring cylinder 100 cannot be driven to rotate in the circumferential direction.
As shown in fig. 3 and 8, the rotary turntable 3 is provided with indexing holes 31 along the axial direction, the indexing holes 31 are arranged along the circumferential direction of the rotary turntable 3 at equal intervals, the turntable limiting structure 6 comprises a clamping pin 61 mounted on the fixture body 4, the fixture body 4 is provided with an angular hole for penetrating the clamping pin 61, the matched clamping pin 61 is sleeved with a tension spring 62, the tension spring 62 connects the clamping pin 61 with the fixture body 4, and the clamping pin 61 is inserted into the indexing holes 31 to limit and fix the rotary turntable 3. When the angle is adjusted, the bayonet 61 is firstly pulled out of the indexing hole 31, and then the rotary table 3 is rotated to insert the bayonet 61 into the corresponding indexing hole 31.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A groove grinding clamp of a torsion measuring oil cylinder is characterized in that a central inner hole (101) is axially arranged in the torsion measuring oil cylinder (100), a boss (105) is arranged at the first end of the torsion measuring oil cylinder (100), a groove communicated with the central inner hole (101) is arranged in the boss (105), an end hole (103) is radially arranged at the second end of the torsion measuring oil cylinder (100), the end hole (103) is communicated with the central inner hole (101) through a connecting hole (104), the groove grinding clamp is used for positioning and clamping the torsion measuring oil cylinder (100) so as to grind an outer circular groove (102) communicated with the central inner hole (101) on the outer circular surface of the torsion measuring oil cylinder (100),
it is characterized in that the preparation method is characterized in that,
the groove grinding clamp comprises a clamp body (4), a rotary turntable (3) arranged on the clamp body (4), an axial positioning mechanism which is arranged on the rotary turntable (3) and used for being precisely matched with a central inner hole (101) and carrying out axial positioning on the torque measuring oil cylinder (100), and an angular positioning mechanism which is arranged on the clamp body (4) and used for being precisely matched with an end hole (103) to carry out angular positioning on the torque measuring oil cylinder (100);
a cooling liquid conveying pipeline (11) used for conveying cooling liquid to the inner side of the grinding part of the outer circular groove (102) is arranged in the axial positioning mechanism, so that the grinding part of the outer circular groove (102) is cooled during grinding through the cooling liquid.
2. The groove grinding fixture of the torsion measuring cylinder according to claim 1,
the axial positioning mechanism comprises an axial positioning core rod (1) which is rotationally connected with the clamp body (4) and fixedly connected with the rotary turntable (3) and is used for being precisely matched with the central inner hole (101), and a pressing structure (5) which is used for pressing and fixing the torsion measuring oil cylinder (100) on the axial positioning core rod (1) on the rotary turntable (3) along the axial direction, the axial position of the torsion measuring oil cylinder (100) is fixed through the matching of the pressing structure (5) and the axial positioning core rod (1),
the cooling liquid conveying pipeline (11) is arranged in the axial positioning core rod (1).
3. The groove grinding fixture of the torsion measuring cylinder according to claim 2,
the axial positioning core rod (1) comprises a cooling section (12) in clearance fit with a central inner hole (101) of a torsion measuring oil cylinder (100), the cooling section (12) is located on the inner side of a grinding part of an outer circular groove (102), a first cooling space communicated with a cooling liquid conveying pipeline (11) is formed in a clearance between the cooling section (12) and the central inner hole (101), and cooling liquid in the cooling liquid conveying pipeline (11) is output to the first cooling space, so that the grinding part of the outer circular groove (102) is cooled.
4. The groove grinding fixture of the torsion measuring cylinder according to claim 3,
the first cooling space communicates with the connecting hole (104) so that the cooling liquid in the first cooling space, which has absorbed heat, is discharged from the connecting hole (104).
5. The groove grinding fixture of the torsion measuring cylinder according to claim 3,
the cooling section (12) is provided with a plurality of liquid outlets (121) for allowing the cooling liquid in the cooling liquid conveying pipeline (11) to enter the first cooling space.
6. The groove grinding fixture of the torsion measuring cylinder according to claim 3,
axial positioning plug (1) includes and surveys center hole (101) matched with location section (13) of turning round hydro-cylinder (100), the outer peripheral face of location section (13) include with survey the circular arc face of turning round hydro-cylinder (100) the interior wall laminating of center hole (101) and with survey the interior wall clearance fit's of turning round hydro-cylinder (100) connection face, a plurality of circular arc faces are arranged along circumference equidistance, and connect a plurality of circular arc faces through a plurality of connection faces, connect the second cooling space that constitutes and first cooling space intercommunication with the clearance between the interior wall of center hole (101) of turning round hydro-cylinder (100) is surveyed to the connection face.
7. The groove grinding fixture of the torsion measuring cylinder according to claim 2,
the pressing structure (5) comprises a pressing plate (51) and a pressing bolt (52) used for installing the pressing plate (51) on the rotary turntable (3), the pressing bolt (52) is sleeved with a pressing spring (53), two ends of the pressing spring (53) are respectively connected with the pressing plate (51) and the rotary turntable (3), and the pressing plate (51) presses the boss (105) of the torque measuring oil cylinder (100) on the rotary turntable (3) by adjusting the pressing bolt (52).
8. The groove grinding fixture of the torsion measuring cylinder according to claim 1,
the clamp body (4) is provided with a cooling liquid input structure which is communicated with the cooling liquid conveying pipeline (11) and is used for being communicated with a cooling liquid supply pipeline so as to convey cooling liquid into the cooling liquid conveying pipeline (11).
9. The groove grinding fixture of the torsion measuring cylinder according to claim 1,
the angular positioning mechanism comprises an angular positioning core rod (2) which is used for being precisely matched with the end hole (103), a positioning hole (43) which is arranged on the clamp body (4) and is used for being matched with the angular positioning core rod (2) in a positioning way, and a turntable limiting structure (6) which is used for fixing the rotary turntable (3) on the clamp body (4),
through rotating rotary table (3) along circumferential direction to drive and survey to turn round hydro-cylinder (100) synchronous revolution, make angular positioning plug (2) and end hole (103) precision fit, simultaneously with locating hole (43) location fit, and then be fixed in anchor clamps body (4) rotary table (3) through carousel limit structure (6), make the angle of surveying turning round hydro-cylinder (100) fixed.
10. The groove grinding fixture of the torsion measuring cylinder according to claim 1,
the rotary turntable (3) is provided with index holes (31) along the axial direction, a plurality of index holes (31) are arranged at equal intervals along the circumferential direction of the rotary turntable (3),
carousel limit structure (6) are equipped with the angular hole that is used for wearing to establish bayonet lock (61) including installing bayonet lock (61) on anchor clamps body (4), and the cover is equipped with straining spring (62) on assorted bayonet lock (61), and straining spring (62) are connected bayonet lock (61) and anchor clamps body (4), through inserting bayonet lock (61) in index hole (31), make rotatory carousel (3) spacing fixed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011047368.5A CN112223114B (en) | 2020-09-29 | 2020-09-29 | Groove grinding clamp for torsion measuring oil cylinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011047368.5A CN112223114B (en) | 2020-09-29 | 2020-09-29 | Groove grinding clamp for torsion measuring oil cylinder |
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| CN112223114A true CN112223114A (en) | 2021-01-15 |
| CN112223114B CN112223114B (en) | 2021-10-29 |
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| CN205201091U (en) * | 2015-12-07 | 2016-05-04 | 贵州黎阳航空动力有限公司 | Boring grab with cooling function |
| CN205927207U (en) * | 2016-08-24 | 2017-02-08 | 苏州大器精密机械有限公司 | Fixed turning attachment |
| CN206217030U (en) * | 2016-10-25 | 2017-06-06 | 上海紫日包装有限公司 | Compression tool mandrel cooling system |
| CN206732702U (en) * | 2016-12-30 | 2017-12-12 | 苏州市职业大学 | A kind of drill jig indexes retaining mechanism |
| CN208083622U (en) * | 2018-03-30 | 2018-11-13 | 张乘源 | The tooling of water-cool control high frequency brazing poly blade hard metal bamboo tool crack |
| CN209349553U (en) * | 2018-12-26 | 2019-09-06 | 无锡威孚中意齿轮有限责任公司 | The indexing driller of ring gear tooth socket radial direction oil hole |
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| CN201102145Y (en) * | 2007-10-26 | 2008-08-20 | 莱州新忠耀机械有限公司 | Bottom sleeve borehole fixture |
| CN202097606U (en) * | 2011-05-25 | 2012-01-04 | 浙江浦江齿轮有限公司 | Evenly dividing and drilling clamp for ratchet of clutch |
| CN203254184U (en) * | 2013-04-01 | 2013-10-30 | 繁昌县恒鑫汽车零部件有限公司 | Drilling clamp of circumferential face of vehicle brake shoe |
| CN205201091U (en) * | 2015-12-07 | 2016-05-04 | 贵州黎阳航空动力有限公司 | Boring grab with cooling function |
| CN205927207U (en) * | 2016-08-24 | 2017-02-08 | 苏州大器精密机械有限公司 | Fixed turning attachment |
| CN206217030U (en) * | 2016-10-25 | 2017-06-06 | 上海紫日包装有限公司 | Compression tool mandrel cooling system |
| CN206732702U (en) * | 2016-12-30 | 2017-12-12 | 苏州市职业大学 | A kind of drill jig indexes retaining mechanism |
| CN208083622U (en) * | 2018-03-30 | 2018-11-13 | 张乘源 | The tooling of water-cool control high frequency brazing poly blade hard metal bamboo tool crack |
| CN209349553U (en) * | 2018-12-26 | 2019-09-06 | 无锡威孚中意齿轮有限责任公司 | The indexing driller of ring gear tooth socket radial direction oil hole |
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|---|---|
| CN112223114B (en) | 2021-10-29 |
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