CN216116709U

CN216116709U - Main shaft rigidity detection device

Info

Publication number: CN216116709U
Application number: CN202122487172.4U
Authority: CN
Inventors: 江和秀; 江先宗
Original assignee: Dongguan Jianke Electromechanical Technology Co ltd
Current assignee: Dongguan Jianke Electromechanical Technology Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-03-22
Anticipated expiration: 2031-10-15

Abstract

The utility model discloses a spindle rigidity detection device, which comprises a support plate parallelly erected on an end cover; one side of the supporting plate is provided with a driving device, and the other side of the supporting plate is provided with a pressure sensor which is in transmission connection with the driving device through a transmission part; a frustum matched with the inner ring of the main shaft is detachably and fixedly arranged on the pressure sensor; the end cover is connected with a detection meter which can detect the deformation of the end face of the main shaft. The detection device can be erected on the main shaft by arranging the supporting rod and the supporting plate, and is convenient and fast to use; by arranging the transmission part, the transfer block, the pressure sensor and the frustum, the external driving force can be converted into the pressure acting on the end part of the spindle, and the pressure is directly shown; the deformation size of the end part of the spindle can be directly shown through a detection table; through the cooperation of detecting table and pressure sensor, can show the deformation size of main shaft terminal surface under certain pressure effect directly perceived, main shaft rigidity reference value promptly, easy operation, the reading is fast, and the inspection precision is high.

Description

Main shaft rigidity detection device

Technical Field

The utility model relates to the technical field of spindle production, in particular to a spindle rigidity detection device.

Background

Rigidity is an important technical parameter reflecting the performance of the main shaft, and rigidity detection is generally required before the main shaft leaves a factory. In production, the structural sizes of different main shafts are different, and a detection device cannot be perfectly matched with each main shaft, so that the detection result has large deviation, reliable driving force application range reference cannot be provided for main shaft application, production resource waste is caused, main shaft fracture can be caused seriously, and production equipment and products are damaged.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model provides a spindle rigidity detection device, which can convert an external driving force into a pressure acting on the end part of a spindle, can visually display the pressure and a deformation value of the spindle under the action of the pressure, and has the advantages of simple operation, fast reading and high detection accuracy.

In order to solve the technical problems, the utility model adopts a technical scheme as follows:

a main shaft rigidity detection device is erected on an end cover of a main shaft and comprises a support plate which is erected on the end cover in parallel; a driving device is arranged on one side of the supporting plate, a pressure sensor is arranged on the other side of the supporting plate, the pressure sensor is in transmission connection with the driving device through a transmission part, and the driving device can drive the pressure sensor to move along the axial direction of the main shaft; the pressure sensor is detachably and fixedly provided with a frustum matched with the inner ring of the main shaft, and the frustum can be driven by the pressure sensor to press or leave the main shaft; the end cover is connected with a detection meter, and the detection meter can detect the deformation amount of the end face of the main shaft.

As a further elaboration of the above technical solution:

in the above technical scheme, a plurality of axially extending support rods are uniformly arranged on the end cover, and the support plates are detachably and fixedly arranged on the plurality of support rods.

In the above technical scheme, a transfer block is further arranged between the support plate and the pressure sensor: the transfer block is coaxial with the pressure sensor and is detachably and fixedly connected with the pressure sensor; the switching block is movably arranged on the supporting plate through a plurality of supporting rods.

In the technical scheme, one end part of each support rod can be detachably and fixedly arranged on the support plate, and the other end part of each support rod vertically penetrates through the switching block and axially extends to the side of the end face of the main shaft; and a plurality of supporting rods are detachably and fixedly provided with limiting parts.

In the technical scheme, the transmission part is a screw rod, one end part of the transmission part is in transmission connection with the driving device, and the other end part of the transmission part sequentially penetrates through the supporting plate and the switching block and is in threaded connection with the pressure sensor; the driving device can drive the transmission piece to rotate so as to push the pressure sensor to move along the axial direction.

In the above technical solution, the pressure sensor is a pressure sensor with a visible pressure value.

In the above technical scheme, the detection meter is a dial indicator with a universal adjusting rod, the detection meter is detachably and fixedly arranged on the end cover, and a probe of the detection meter abuts against the end face of the main shaft.

Compared with the prior art, the utility model has the beneficial effects that: the detection device can be erected on the main shaft by arranging the supporting rod and the supporting plate, so that the detection device is convenient and fast to use; by arranging the transmission part, the transfer block, the pressure sensor and the frustum, the external driving force can be converted into the pressure acting on the end part of the spindle, and the pressure is directly shown; the deformation size of the end part of the spindle can be directly shown through a detection table; through the cooperation of detecting table and pressure sensor, can show the deformation size of main shaft terminal surface under certain pressure effect directly perceived, main shaft rigidity reference value promptly, easy operation, the reading is fast, and the inspection precision is high.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

in the figure: 100. a main shaft; 110. an end cap; 20. a support plate; 30. a drive device; 40. a transfer block; 50. a pressure sensor; 60. a transmission member; 70. a frustum; 80. detecting a table; 81. a probe; 1. a support bar; 2. a strut; 3. and a limiting member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

As shown in fig. 1, a spindle rigidity detecting apparatus, which is mounted on an end cap 110 of a spindle 100, includes a support plate 20 mounted on the end cap 110 in parallel; one side of the supporting plate 20 is provided with a driving device 30, and the other side is provided with a pressure sensor 50, the pressure sensor 50 is in transmission connection with the driving device 30 through a transmission piece 60, and the driving device 30 can transmit the pressure sensor 50 to move along the axial direction of the main shaft; the pressure sensor 50 is detachably and fixedly provided with a frustum 70 matched with the inner ring of the spindle 100, and the frustum 70 can be pressed or separated from the spindle 100 under the driving of the pressure sensor 50; the end cover 110 is connected with a detection meter 80, and the detection meter 80 can detect the deformation amount of the end surface of the main shaft 100.

Specifically, a plurality of axially extending support rods 1 are uniformly arranged on the end cover 110, and a support plate 20 is detachably and fixedly arranged on the plurality of support rods 1.

Specifically, a transfer block 40 is further provided between the support plate 20 and the pressure sensor 50: the switching block 40 is coaxial with the pressure sensor 50 and is detachably and fixedly connected with the pressure sensor; the switching block 40 is movably mounted on the support plate 20 through a plurality of support rods 2.

In this embodiment, the adapter block 40, the pressure sensor 50 and the frustum 70 are all fixedly connected through bolts and nuts, and the assembly and disassembly are convenient.

Specifically, one end of each support rod 2 can be detachably and fixedly arranged on the support plate 20, and the other end vertically penetrates through the adapter block 40 and axially extends to the side of the end face of the main shaft 100; the plurality of supporting rods 2 are detachably and fixedly provided with limiting pieces 3.

In the present invention, the support rod 2 plays a role of erecting the transfer block 40 on the support plate 20, the transfer block 40 can slide along the support rod 2 under the driving of the pressure sensor 50, and the limiting member 3 can limit the moving distance of the transfer block 40, so as to prevent the frustum 70 from crushing the main shaft 100.

Specifically, the transmission member 60 is a screw, one end of which is in transmission connection with the driving device 30, and the other end of which passes through the support plate 20 and the adapter block 40 in sequence and is in threaded connection with the pressure sensor 50; the driving device 30 can drive the transmission member 60 to rotate so as to push the pressure sensor 50 to move along the axial direction.

Specifically, the pressure sensor 50 is a pressure sensor with a visible pressure value.

Specifically, the detecting meter 80 is a dial indicator with a universal adjusting rod, and is detachably and fixedly arranged on the end cover 110, and the probe 81 of the detecting meter abuts against the end face of the spindle 100.

In the present embodiment, the detection table 80 includes a fixing portion and a detection portion: the fixing part comprises a magnetic suction positioning seat which can be adsorbed on the end cover 110, the magnetic suction positioning seat is sequentially connected with three universal adjusting rods, and the end part of the tail end universal adjusting rod is detachably and fixedly provided with a detection part; the detection section includes a dial and a probe 81. Adjust three universal regulation pole, can drive probe 81 arbitrary angular rotation and removal in the certain limit, adjust suitable position with probe 81 to can accurately sense the deformation of main shaft tip. The detection table 80 is a conventional component, and is not described in detail here.

The device has the following operation process:

installation: firstly, fixing a support rod 1 on an end cover 110, and erecting a support plate 20 on the end cover 110; mounting the strut 2 on the support plate 20; connecting the transmission piece 60, and assembling the driving device 30, the adapting block 40, the pressure sensor 50 and the frustum 70; the limiting piece 3 is arranged. After completion, the gauge 80 is secured to the end cap 110, adjusted and secured so that the probe 81 abuts the end face of the spindle 100 at the proper angle and compressive force.

And (3) detection: fixing the main shaft; the driving device 30 drives the transmission member 60 to rotate, and the transmission member 60 applies axial pressure to press the pressure sensor 50, at which time the magnitude of the pressure acting on the pressure sensor 50 can be directly shown; the pressure sensor 50 drives the frustum 70 to tightly abut against and press the main shaft, and the end of the main shaft 100 gradually deforms under the action of continuous pressure: when the dial of the detecting gauge 80 is observed and the deformation amount of 0.01mm is displayed, the pressing force is kept unchanged, and the numerical value shown on the pressure sensor 50 is the rigidity detecting parameter of the main shaft.

The technical scope of the present invention is not limited to the above embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims

1. A main shaft rigidity detection device is characterized in that the device is erected on an end cover of a main shaft and comprises a support plate erected on the end cover in parallel; a driving device is arranged on one side of the supporting plate, a pressure sensor is arranged on the other side of the supporting plate, the pressure sensor is in transmission connection with the driving device through a transmission part, and the driving device can drive the pressure sensor to move along the axial direction of the main shaft; the pressure sensor is detachably and fixedly provided with a frustum matched with the inner ring of the main shaft, and the frustum can be driven by the pressure sensor to press or leave the main shaft; the end cover is connected with a detection meter, and the detection meter can detect the deformation amount of the end face of the main shaft.

2. The apparatus according to claim 1, wherein the end cap has a plurality of axially extending support rods uniformly arranged thereon, and the support plates are detachably and fixedly mounted on the support rods.

3. The spindle rigidity detection device according to claim 1, wherein a transfer block is further provided between the support plate and the pressure sensor: the transfer block is coaxial with the pressure sensor and is detachably and fixedly connected with the pressure sensor; the switching block is movably arranged on the supporting plate through a plurality of supporting rods.

4. The spindle rigidity detecting device according to claim 3, wherein one end of each of the support rods is detachably fixed to the support plate, and the other end of each of the support rods vertically passes through the adapter block and axially extends to the side of the end surface of the spindle; and a plurality of supporting rods are detachably and fixedly provided with limiting parts.

5. The spindle rigidity detection device according to claim 3, wherein the transmission member is a screw, one end of the screw is in transmission connection with the driving device, and the other end of the screw passes through the support plate and the adapter block in sequence and is in threaded connection with the pressure sensor; the driving device can drive the transmission piece to rotate so as to push the pressure sensor to move along the axial direction.

6. A spindle rigidity detection apparatus according to any one of claims 1 to 5, wherein the pressure sensor is a pressure sensor with a visual pressure value.

7. The spindle rigidity detection device according to claim 6, wherein the detection meter is a dial indicator with a universal adjusting rod, the dial indicator is detachably fixed on the end cover, and a probe of the dial indicator abuts against an end face of the spindle.