CN216144286U - A inspection mandrel for grinding frame body - Google Patents
A inspection mandrel for grinding frame body Download PDFInfo
- Publication number
- CN216144286U CN216144286U CN202121936130.8U CN202121936130U CN216144286U CN 216144286 U CN216144286 U CN 216144286U CN 202121936130 U CN202121936130 U CN 202121936130U CN 216144286 U CN216144286 U CN 216144286U
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- mandrel
- hole
- inspection
- sleeve
- bearing
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Abstract
The utility model provides an inspection mandrel for a mill body, which can be used for detecting the verticality of a half hole and the end surface of the outlet end of the half hole, does not need to be completely assembled during detection, and is convenient to use. The technical scheme is as follows: a checking mandrel for a mill frame body comprises a mandrel for placing a half hole of the mill frame body, a checking sleeve and a bearing, wherein the checking sleeve is positioned outside the mandrel, the bearing is arranged between the checking sleeve and the mandrel, and the outer diameter of the checking sleeve corresponds to the inner diameter of the half hole; the mandrel comprises a first extending section extending out of one end of the half hole and a second extending section extending out of the other end of the half hole, the first extending section is used for installing the detection device, and the second extending section is used for rotating the mandrel.
Description
Technical Field
The utility model relates to the technical field of grinding frame body checking tools, in particular to a checking mandrel for a grinding frame body.
Background
The structure of the mill frame body is shown in fig. 1, wherein a huff hole 100 is used for installing a main shaft, and the perpendicularity between the huff hole 100 and the end face of the outlet end of the huff hole needs to be ensured, the traditional detection method can only assemble the main shaft, a motor and the like to simulate the rotation condition of the main shaft after the parts are machined, at the moment, the perpendicularity between the huff hole and the end face of the outlet end of the huff hole can be detected through a detection device arranged on the main shaft, if the perpendicularity is found to be not satisfactory, a series of components such as the motor, the main shaft and the like are dismantled to trim the end face of the outlet end of the huff hole again, the whole process is complex, and the production and the processing are inconvenient.
SUMMERY OF THE UTILITY MODEL
Aiming at the problem that the verticality of a hough hole and the end face of the outlet end of the traditional mill frame body is fussy to detect, the utility model provides the inspection mandrel for the mill frame body, which can be used for detecting the verticality of the hough hole and the end face of the outlet end of the hough hole, does not need to be completely assembled during detection, and is convenient to use.
The technical scheme is as follows: an inspection mandrel for mill body, which includes a mandrel for placing into a huff hole of a mill body, characterized in that: the testing device also comprises a testing sleeve and a bearing, wherein the testing sleeve is positioned outside the mandrel, the bearing is arranged between the testing sleeve and the mandrel, and the outer diameter of the testing sleeve corresponds to the inner diameter of the huff hole;
the mandrel comprises a first extending section extending out of one end of the huff hole and a second extending section extending out of the other end of the huff hole, the first extending section is used for installing a detection device, and the second extending section is used for rotating the mandrel.
It is further characterized in that:
the mandrel further comprises a boss, a threaded section and a mounting section positioned between the boss and the threaded section, the mounting section is used for mounting the bearing and the connecting part, the threaded section is in threaded connection with a locking nut, and the bearing and the connecting part are mounted on the mandrel through the matching of the locking nut and the boss;
the connecting component comprises a spacer ring and inner and outer rings, and the spacer ring, an angular contact ball bearing I, the inner and outer rings and an angular contact ball bearing II are sequentially arranged between the locking nut and the boss;
the inspection sleeve is positioned outside the angular contact ball bearing I, the inner and outer ferrules and the angular contact ball bearing II;
a left end cover and a right end cover are respectively connected to two ends of the inspection sleeve, and dustproof check rings are respectively arranged between the left end cover and the spacer ring and between the right end cover and the boss;
and a through hole is formed in the second extending section.
The utility model has the beneficial effects that: through adopting this device, can detect the straightness that hangs down after the huff hole processing is accomplished, only need put into the mandrel in the huff hole and make it stretch out section one, stretch out two sections and stretch out huff hole both ends respectively of stretching out the section, again with the two parts assembly in hole of huff together, install detection device on stretching out section one, through stretching out two rotation mandrels of section, can simulate the main shaft and rotate and survey through detection device simultaneously and whether meet the requirements for huff hole and exit end face straightness that hangs down, if not conform to only need pull down this device and repairment the mill support body can, convenient to use.
Drawings
FIG. 1 is a partial structure view of a grinding frame body;
FIG. 2 is a block diagram of the present invention;
FIG. 3 is a schematic diagram of the present invention.
Detailed Description
As shown in fig. 2, the checking mandrel for the mill frame body comprises a mandrel 1 for placing a huff hole of the mill frame body, a checking sleeve 2 and a bearing 3, wherein the checking sleeve 2 is positioned outside the mandrel 1, the bearing 3 is arranged between the checking sleeve 2 and the mandrel 1, and the outer diameter of the checking sleeve 2 corresponds to the inner diameter of the huff hole; the mandrel 1 comprises a first extending section 11 extending out of one end of the huff hole and a second extending section 12 extending out of the other end of the huff hole, the first extending section 11 is used for installing a detection device, and a through hole is formed in the second extending section 12 and used for rotating the mandrel 1.
Specifically, the mandrel 1 further comprises a boss 13, a threaded section 14 and an installation section 15 located between the boss 13 and the threaded section 14, the installation section 15 is used for installing the bearing 3 and a connecting part, the connecting part comprises a spacer 4, an inner ring 5 and an outer ring 6, a locking nut 7 is in threaded connection with the threaded section 14, the spacer 4, an angular contact ball bearing I, an inner ring and an outer ring (which respectively correspond to the inner ring and the outer ring of the bearing) and an angular contact ball bearing II are sequentially arranged between the locking nut 7 and the boss 13, the angular contact ball bearing II is positioned by means of a shaft shoulder, other parts are sequentially sleeved on the mandrel, the bearing 3 and the connecting part are tightly pressed on the boss 13 through the matching of the locking nut 7 and the boss 13, and the inspection sleeve is located outside the angular contact ball bearing I, the inner ring and the outer ring and the angular contact ball bearing II.
In addition, the two ends of the inspection sleeve 2 are respectively connected with a left end cover 8 and a right end cover 9, and dustproof check rings are respectively arranged between the left end cover 8 and the space ring 4 and between the right end cover 9 and the boss 13, so that dust can be prevented from entering, but a certain gap is reserved between the left end cover and the space ring to avoid influencing the rotation of the mandrel.
When the device is used, after the Hafu hole is machined, the structure of the Hafu hole is disassembled, the device is placed in the Hafu hole, the first extending section 11 of the device extends out corresponding to the end face needing to detect verticality, the second extending section 12 extends out from the other end of the device, the Hafu hole is assembled, so that the installation of a main shaft is simulated, then a shaft is inserted into the hole of the second extending section 12 to serve as a handle, the detection device is installed on the first extending section 11 and can be shown in figure 3, the dial indicator 101 is installed on the support 102, the support 102 is fixed on the first extending section 11, the detection end of the dial indicator 101 is in contact with the end face to be detected, the dial indicator is driven to rotate when the mandrel rotates, and whether the mandrel is qualified or not is judged through the dial indicator.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. An inspection mandrel for mill body, which includes a mandrel for placing into a huff hole of a mill body, characterized in that: the testing device also comprises a testing sleeve and a bearing, wherein the testing sleeve is positioned outside the mandrel, the bearing is arranged between the testing sleeve and the mandrel, and the outer diameter of the testing sleeve corresponds to the inner diameter of the huff hole;
the mandrel comprises a first extending section extending out of one end of the huff hole and a second extending section extending out of the other end of the huff hole, the first extending section is used for installing a detection device, and the second extending section is used for rotating the mandrel.
2. An inspection spindle for a mill body according to claim 1, characterized in that: the mandrel further comprises a boss, a threaded section and an installation section located between the boss and the threaded section, the installation section is used for installing the bearing and the connecting part, the threaded section is in threaded connection with a locking nut, and the bearing and the connecting part are installed on the mandrel through the matching of the locking nut and the boss.
3. An inspection spindle for a mill body according to claim 2, characterized in that: the connecting component comprises a spacer ring and inner and outer rings, and the spacer ring, the angular contact ball bearing I, the inner and outer rings and the angular contact ball bearing II are sequentially arranged between the locking nut and the boss.
4. An inspection spindle for a mill body according to claim 3, characterized in that: the inspection sleeve is located outside the angular contact ball bearing I, the inner and outer ferrules and the angular contact ball bearing II.
5. An inspection spindle for a mill body according to claim 4, characterized in that: the inspection sleeve is characterized in that a left end cover and a right end cover are respectively connected to two ends of the inspection sleeve, and dustproof check rings are respectively arranged between the left end cover and the spacer ring and between the right end cover and the boss.
6. An inspection spindle for a mill body according to any one of claims 1 to 5, characterized in that: and a through hole is formed in the second extending section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121936130.8U CN216144286U (en) | 2021-08-18 | 2021-08-18 | A inspection mandrel for grinding frame body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121936130.8U CN216144286U (en) | 2021-08-18 | 2021-08-18 | A inspection mandrel for grinding frame body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216144286U true CN216144286U (en) | 2022-03-29 |
Family
ID=80806584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121936130.8U Active CN216144286U (en) | 2021-08-18 | 2021-08-18 | A inspection mandrel for grinding frame body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216144286U (en) |
-
2021
- 2021-08-18 CN CN202121936130.8U patent/CN216144286U/en active Active
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