CN213225858U - Screw rod inspection jig - Google Patents
Screw rod inspection jig Download PDFInfo
- Publication number
- CN213225858U CN213225858U CN202021839634.3U CN202021839634U CN213225858U CN 213225858 U CN213225858 U CN 213225858U CN 202021839634 U CN202021839634 U CN 202021839634U CN 213225858 U CN213225858 U CN 213225858U
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- lead screw
- nut
- slider
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- screw
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Abstract
The utility model aims at providing a can be suitable for the test of multiple size lead screw, measure convenient and test many kinds of lead screw inspection tool. The utility model discloses a base, guide rail, nut locking device and lead screw thimble device, the guide rail is located on the base, sliding fit has first slider and second slider on the guide rail, nut locking device locates on the first slider, lead screw thimble device locates on the second slider, be equipped with driving motor on the base and with the three-jaw chuck that driving motor matched with and set up. The utility model discloses be applied to the technical field that the lead screw detected.
Description
Technical Field
The utility model relates to a technical field that lead screw detected, in particular to lead screw inspection tool.
Background
The existing measuring means after the ball screw is processed is more original, V-shaped blocks are arranged at two ends of the screw, the original manual screw rotation is carried out, the circular runout is measured by a micrometer, and the existing tool with motor drive can simulate the actual use condition of the screw, so that the smooth degree, the repeated positioning precision, the noise and the like of the operation of the screw can be detected, but the problems of low efficiency, easy error and incapability of detecting the smooth degree, the noise and the like of the actual operation of the screw exist in the manual measurement. The chinese patent with publication number CN109991001A discloses a trapezoidal lead screw torsion virtual position test device, which comprises a workbench, a support plate, a host computer, a control device, a torsion test device, a virtual position test device and a display, wherein the workbench comprises a working surface, a bottom plate and a back plate, the host computer is fixedly installed on the bottom plate, the support plate is fixedly installed on the working surface, the torsion test device and the virtual position test device are installed on the support plate in parallel, the control device is fixedly installed at one end of the support plate and is electrically connected with the torsion test device, the virtual position test device and the host computer, and the display is fixedly installed on the back plate and is electrically connected with the host computer; the control device controls the torsion testing device or the virtual position testing device to test the torsion or the virtual position of the trapezoidal screw rod respectively through the matching arrangement of the computer host, the control device, the torsion testing device and the virtual position testing device, but the control device is not suitable for testing the screw rods with various sizes and has large limitation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, provide one kind can be suitable for the test of multiple size lead screw, measure convenient and test the many lead screw inspection tool of kind.
The utility model adopts the technical proposal that: the utility model discloses a base, guide rail, nut locking device and lead screw thimble device, the guide rail is located on the base, sliding fit has first slider and second slider on the guide rail, nut locking device locates on the first slider, lead screw thimble device locates on the second slider, be equipped with driving motor on the base and with the three-jaw chuck that driving motor matched with and set up.
Furthermore, the nut locking device comprises a bottom plate and a plurality of nut pressing plates, the bottom plate is arranged on the first sliding block, the nut pressing plates are arranged on the bottom plate in parallel, guide rods are arranged on the nut pressing plates and penetrate through the nut pressing plates in sequence, and a plurality of limiting grooves in U-shaped structures are formed in the nut pressing plates.
Furthermore, the central lines of the limiting grooves are located on the same vertical plane.
Furthermore, a sliding rail is arranged on the bottom plate, and the nut pressing plates are in sliding fit with the bottom plate.
Further, the lead screw thimble device includes mounting panel, bearing frame, bearing and lead screw jackscrew, the bearing frame is located on the mounting panel, the bearing housing is established in the bearing frame, the lead screw jackscrew cover is established in the bearing.
Furthermore, a magnetic switch is arranged at one end of the mounting plate in a matching manner.
Furthermore, a buffer is arranged at one end, far away from the driving motor, of the guide rail, and the buffer is installed on the base.
Furthermore, a first sensor matched with the nut locking device is arranged on the base, and a second sensor matched with the screw rod and ejector pin device is arranged on the base.
The utility model discloses a base, guide rail, nut locking device and lead screw thimble device, the guide rail is located on the base, sliding fit has first slider and second slider on the guide rail, nut locking device locates on the first slider, lead screw thimble device locates on the second slider, be equipped with on the base driving motor and with the three-jaw chuck that driving motor cooperateed and set up, through nut locking device with lead screw thimble device slides on corresponding slider to adapt to unidimensional lead screw and make it fixed, pass through at last driving motor drives the lead screw and rotates, and then accomplishes a series of tests of lead screw, just the utility model discloses following beneficial effect has:
1. the device is suitable for fixing and testing screw rods with different sizes, and the testing effect is good;
2. the traditional manual test is replaced, the test efficiency is higher, and the labor cost is reduced;
3. can carry out multinomial capability test to the lead screw, more can save the cost.
Drawings
Fig. 1 is an exploded view of the present invention;
FIG. 2 is a schematic structural view of the nut lock;
fig. 3 is a schematic structural diagram of the screw rod and ejector pin device.
Detailed Description
As shown in fig. 1 to 3, in this embodiment, the utility model discloses a base 1, guide rail 2, nut locking device 3 and lead screw thimble device 4, guide rail 2 locates on the base 1, sliding fit has first slider 5 and second slider 6 on the guide rail 2, nut locking device 3 locates on the first slider 5, lead screw thimble device 4 locates on the second slider 6, be equipped with driving motor 7 on the base 1 and with the three-jaw chuck 8 that driving motor 7 cooperateed and set up.
It is seen by above-mentioned scheme, nut locking device 3 with screw rod thimble device 4 installs the nut that can fix different lead screws on the slider respectively, and can remove wantonly on the guide rail 2 to measure the lead screw of different length, another of the volume of awaiting measuring lead screw is used the tight clamp of three-jaw chuck 8 seat, driving motor 7's coupling joint three-jaw chuck 8, driving motor 7 passes through three-jaw chuck 8 drives the volume of awaiting measuring lead screw and rotates, detects smooth and easy degree, noise, the repeated positioning accuracy of lead screw during the actual operation.
As shown in fig. 2, in a preferred embodiment, the nut locking device 3 includes a bottom plate 31 and a plurality of nut pressing plates 32, the bottom plate 31 is disposed on the first sliding block 5, the plurality of nut pressing plates 32 are disposed on the bottom plate 31 in parallel, guide rods 33 are disposed on the nut pressing plates 32, the guide rods 33 sequentially penetrate through the plurality of nut pressing plates 32, and a U-shaped limiting groove 34 is disposed on the plurality of nut pressing plates 32; the central lines of the plurality of limiting grooves 34 are located on the same vertical plane, in the design, the sizes of the limiting grooves 34 on different nut pressing plates 32 are different, and the lead screw nuts suitable for different sizes are realized through the limiting grooves 34 with different sizes.
According to the scheme, the nut locking device 3 is moved to adjust different nut pressing plates 32, so that the nut of the lead screw to be measured can be clamped on the corresponding limiting groove 34, and the nut of the lead screw is fixed.
In a preferable scheme, a slide rail is arranged on the bottom plate 31, and a plurality of nut pressing plates 32 are slidably fitted on the bottom plate 31.
According to the scheme, the nut pressing plate 32 can slide on the sliding rail, so that the nut pressing plate 32 can be suitable for lead screw nuts with different sizes.
As shown in fig. 3, in a preferred embodiment, the screw rod thimble device 4 includes a mounting plate 41, a bearing seat 42, a bearing 43 and a screw rod thimble 44, the bearing seat 42 is disposed on the mounting plate 41, the bearing 43 is sleeved in the bearing seat 42, and the screw rod thimble 44 is sleeved in the bearing 43; a magnetic switch 45 is arranged at one end of the mounting plate 41 in a matching way.
According to the scheme, the screw rod thimble device 4 is moved according to the size of the screw rod to be measured, so that one end of the screw rod to be measured can be locked in the screw rod jackscrew 44; the magnetic switch 45 is used for fixing the moved screw rod thimble device 4.
As shown in fig. 1, it is preferable that a buffer 11 is disposed on an end of the guide rail 2 away from the driving motor 7, and the buffer 11 is mounted on the base 1.
As can be seen from the above solution, the buffer 11 is provided to limit the sliding path of the screw rod and ejector pin device 4 on the guide rail 2.
As shown in fig. 1, a first sensor 12 is preferably disposed on the base 1 and is matched with the nut locking device 3, and a second sensor 13 is preferably disposed on the base 1 and is matched with the screw rod and ejector pin device 4.
The utility model discloses a theory of operation:
the nut locking device 3 and the screw rod thimble device 4 are moved to be suitable for the size of a screw rod to be measured; when the performance of noise and smoothness of the screw rod is measured, a nut of the screw rod to be measured is fixed on the nut locking device 3, the driving motor 7 drives the three-jaw chuck 8 to further enable the screw rod to be measured to rotate, so that the nut on the screw rod makes reciprocating motion on the guide rail 2, and when the smoothness of the screw rod is measured, a test instrument is used for pushing the nut locking device 3, so that the nut locking device 3 can slide on the first slide block 5, and the smoothness test of the screw rod is completed; when testing the noise of the screw rod, testing the noise decibel by using a noise testing instrument; when the repeated positioning precision of the screw rod is measured, the nut locking device 3 is driven by equipment to slide and is matched with a sensor, so that the repeated positioning precision of the screw rod is completed; when the lead screw is measured to jump, the lead screw is rotated to be beaten on the excircle of the end of the lead screw to be measured by the dial indicator, and then the lead screw jumping test can be completed.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (8)
1. The utility model provides a lead screw inspection tool which characterized in that: including base (1), guide rail (2), nut locking device (3) and lead screw thimble device (4), guide rail (2) are located on base (1), sliding fit has first slider (5) and second slider (6) on guide rail (2), nut locking device (3) are located on first slider (5), lead screw thimble device (4) are located on second slider (6), be equipped with driving motor (7) on base (1) and with three-jaw chuck (8) that driving motor (7) cooperate and set up.
2. The screw inspection jig according to claim 1, characterized in that: nut locking device (3) include bottom plate (31) and a plurality of nut clamp plate (32), bottom plate (31) are located on first slider (5), a plurality of nut clamp plate (32) set up side by side on bottom plate (31), be equipped with guide bar (33) on nut clamp plate (32), guide bar (33) run through a plurality of in proper order nut clamp plate (32), a plurality of be equipped with spacing groove (34) that are the U-shaped structure on nut clamp plate (32).
3. The screw inspection jig according to claim 2, characterized in that: the central lines of the plurality of limiting grooves (34) are positioned on the same vertical plane.
4. The screw inspection jig according to claim 2, characterized in that: the bottom plate (31) is provided with a slide rail, and the nut pressing plates (32) are in sliding fit with the bottom plate (31).
5. The screw inspection jig according to claim 1, characterized in that: lead screw thimble device (4) include mounting panel (41), bearing frame (42), bearing (43) and lead screw jackscrew (44), bearing frame (42) are located on mounting panel (41), bearing (43) cover is established in bearing frame (42), lead screw jackscrew (44) cover is established in bearing (43).
6. The screw inspection jig according to claim 5, characterized in that: and one end of the mounting plate (41) is provided with a magnetic switch (45) in a matching way.
7. The screw inspection jig according to claim 1, characterized in that: one end of the guide rail (2) far away from the driving motor (7) is provided with a buffer (11), and the buffer (11) is installed on the base (1).
8. The screw inspection jig according to claim 1, characterized in that: the screw rod thimble device is characterized in that a first sensor (12) matched with the nut locking device (3) is arranged on the base (1), and a second sensor (13) matched with the screw rod thimble device (4) is arranged on the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021839634.3U CN213225858U (en) | 2020-08-28 | 2020-08-28 | Screw rod inspection jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021839634.3U CN213225858U (en) | 2020-08-28 | 2020-08-28 | Screw rod inspection jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213225858U true CN213225858U (en) | 2021-05-18 |
Family
ID=75902831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021839634.3U Active CN213225858U (en) | 2020-08-28 | 2020-08-28 | Screw rod inspection jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213225858U (en) |
-
2020
- 2020-08-28 CN CN202021839634.3U patent/CN213225858U/en active Active
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