CN218443689U - Tool for detecting coaxiality of motor base positioning hole and screw rod - Google Patents
Tool for detecting coaxiality of motor base positioning hole and screw rod Download PDFInfo
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- CN218443689U CN218443689U CN202222217298.4U CN202222217298U CN218443689U CN 218443689 U CN218443689 U CN 218443689U CN 202222217298 U CN202222217298 U CN 202222217298U CN 218443689 U CN218443689 U CN 218443689U
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Abstract
The utility model discloses a detect frock of motor cabinet locating hole and lead screw axiality, fixing base and support including interconnect, the fixing base is used for fixing with the lead screw, the support is used for installing the percentage chi, the fixing base with the lead screw uses coaxial locking structure to connect. The fixing seat comprises a cylindrical fixing hole, and the fixing hole is sleeved on the screw rod and is fixed with the screw rod. The utility model discloses a connecting axle of fixing base and lead screw uses rigid fixed mode, replace current magnetic adsorption's fixed mode, for current lead screw and fixing base magnetic adsorption's fixed mode, fixed fastness is higher, the support can not take place not hard up with the lead screw during the measuring, the measuring result that can not lead to the percentage table extra error appears, improve the measuring degree of accuracy, ensure to have accurate axiality between the locating hole of motor cabinet and the lead screw, the axiality between messenger driving motor's output shaft and the lead screw satisfies application standard, be favorable to reducing the lead screw vibration so that extension lathe life.
Description
Technical Field
The utility model relates to a metalworking detection area, in particular to a frock that is used for detecting axiality between the locating hole internal surface on lead screw and the motor cabinet of installation driving motor.
Background
When the machine tool is driven by the screw rod driving device, the screw rod is fixed with a base of the machine tool, the motor base is also fixed with the base of the machine tool, the motor base is provided with a positioning hole, the front end of the driving motor is provided with a flange coaxial with an output shaft of the driving motor, the flange is positioned with the positioning hole when the driving motor is installed, the driving motor and the motor base are fixed by screws after the flange of the driving motor is matched with the inner circle surface of the positioning hole in a positioning mode, and the screw rod and the output shaft of the driving motor are required to have high enough coaxiality. To ensure the coaxiality between the output shaft of the driving motor and the screw rod, the coaxiality between the inner circular surface of the positioning hole and the screw rod must be ensured.
In order to ensure that the coaxiality of the screw rod and the output shaft of the driving motor reaches a preset standard, before the driving motor is installed, the coaxiality of the inner circular surfaces of the positioning holes in the screw rod and the motor base needs to be detected.
The measuring device has the following defects during measurement: because the fixing base adopts magnetic adsorption's mode fixed with the lead screw, the outside of adsorbing the position at lead screw fixed position face of cylinder, at the in-process of rotating dial indicator measurement, measuring device dead weight produces great moment, and appeal is limited between fixing base and the lead screw, when the fixing base rotated the below at the face of cylinder of lead screw, easily takes place relative deformation between fixing base and the lead screw, causes the measuring result extra error to appear. After the driving motor is installed, the coaxiality between the screw rod and the output shaft of the driving motor is poor due to the generated extra error, so that the coaxiality between the output shaft of the driving motor and the screw rod cannot reach the standard, the vibration of the screw rod is easily caused in the driving process, the radial jumping of the screw rod is increased during rotation, the abrasion speed between the screw rod and a nut seat is increased, and the precision and the service life of a screw rod driving device are influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fixing base is fixed more firmly with the lead screw, can detect the interior disc of motor cabinet locating hole and the frock of lead screw axiality more accurately.
The utility model discloses the purpose adopts following technical scheme to realize:
the utility model provides a detect frock of motor cabinet locating hole and lead screw axiality, fixing base and support including interconnect, the fixing base is used for fixed with the lead screw, the support is used for installing the percentile chi, the fixing base with the lead screw uses locking device fixed.
In one embodiment, the fixing seat comprises a cylindrical fixing hole, and the fixing hole is sleeved on the screw rod and fixed with the screw rod.
In one embodiment, the fixing seat is provided with a clearance groove, the clearance groove cuts through the hole wall on one side of the fixing hole along the radial direction of the fixing hole, and the locking device is used for tensioning the hole walls on two sides of the clearance groove.
In one embodiment, the locking device comprises a bolt, a bolt hole and a threaded hole, wherein the bolt hole is arranged on the hole wall of one side of the clearance groove, and the threaded hole is arranged on the hole wall of the other side of the clearance groove and corresponds to the bolt hole.
In one embodiment, the number of the locking devices is at least two, and a bolt of the locking device is matched with the bolt hole and the threaded hole to reduce a clearance groove, so that the fixing hole clamps the screw rod and is fixed with the screw rod.
In one embodiment, the fixing seat is a cylinder, and the inner surface of the fixing hole and the outer surface of the fixing seat are coaxially arranged.
In one embodiment, the fixing seat is further provided with a bracket for mounting the dial indicator, and the end part of the outer side of the bracket is provided with a clamping device fixedly connected with a shaft sleeve of the dial indicator.
In one embodiment, the fixed end of the inner side of the bracket is fixed with the outer end face of one side of the fixed seat, which is close to the motor seat.
In one embodiment, the bracket and the fixed seat are of an integrally connected structure.
In one embodiment, the bracket includes a plurality of connecting rods and locking assemblies, the connecting rods being interconnected at both ends of the connecting rods using the locking assemblies to form the bracket.
The front end of the driving motor is provided with a flange, and the outer surface of the flange is coaxially arranged with the output shaft of the driving motor to help the driving motor and the motor base to be positioned and fixed. The connecting rod as the support is hollow tubular structure for adopt the material of light to the fixed locking Assembly of connecting rod head and the tail, the material that locking Assembly chooseed for use usually is aluminum alloy or high strength's plastics, in order to reduce the weight of the whole support of supporting the percentage table, reduces the weight of percentage table and support self, reduces the influence when measuring.
Compared with the prior art, the utility model discloses beneficial effect below having at least:
the utility model discloses detect frock of motor cabinet locating hole and lead screw axiality, the mode that locking device is connected is used with the connecting axle of lead screw to the fixing base, guarantee to have great rigidity between fixing base and support and the percentage table, replace current magnetic adsorption's fixing base fixed mode, fixed mode for current magnetic adsorption, fixed fastness is higher, when support centre gripping percentage table is measured, support and percentage table can not take place relative rocking because of dead weight and lead screw, also can not lead to the measuring result of percentage table extra error to appear, improve the measuring degree of accuracy, ensure the locating hole of motor cabinet and the axiality between the lead screw, make the axiality between driving motor output shaft and the lead screw higher, be favorable to reducing the lead screw vibration extension lathe life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a partially cut-away perspective view of one embodiment of the present invention;
FIG. 2 is an enlarged view A of FIG. 1;
fig. 3 is a partially cut-away perspective view of one embodiment of the present invention;
FIG. 4 is an enlarged view B of FIG. 3;
FIG. 5 is a front view of one embodiment of the present invention;
fig. 6 is an enlarged view of C of fig. 5.
The reference numbers illustrate:
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "mounted to" another element, it can be directly mounted to the other element or intervening elements may also be present.
Furthermore, it should be understood that all directional indicators (such as upper, lower, left, right, middle … …) in the embodiments are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is correspondingly changed; the terms "first," "second," and the like are used herein to distinguish one structural element from another. These terms are merely for convenience of description and simplicity of description, and are not to be construed as limiting the present invention.
As shown in fig. 1, fig. 2 and fig. 3, the utility model discloses detect frock of motor cabinet locating hole and lead screw axiality, fixing base 31 and support 32 including interconnect, lead screw 2 is fixed with the base 1 of lathe, and motor cabinet 5 is also fixed with the base 1 of lathe, and the axle center of locating hole 51 on the motor cabinet 5 corresponds the coincidence with the axis of lead screw 2, and fixing base 31 is used for fixing mutually with lead screw 2, and the support is used for installing the percentage chi, and the gauge head 61 of percentage chi 6 is contradicted at the inner disc of locating hole 51, and fixing base 31 uses locking device reciprocal anchorage with lead screw 2.
As shown in fig. 4, 5 and 6, a connecting shaft is arranged at one end of the screw rod 2 connected with the output shaft of the driving motor, the connecting shaft of the screw rod is generally of a cylindrical structure with a smooth outer circular surface, the locking device is connected with the connecting shaft in a locking manner, the locking device can adopt a locking fixing structure tightly connected with a shaft hole on a screw, a fixing seat 31 is provided with a fixing hole matched with the connecting shaft of the screw rod, the diameter of the fixing hole is slightly larger than that of the connecting shaft of the screw rod, a clearance groove 36 is arranged on the fixing hole along the axial direction of the fixing hole, the clearance groove 36 cuts through the hole wall on one side of the fixing hole along the radial direction of the fixing hole, so that the cross section of the fixing seat is of a C-shaped round sleeve structure, bolt holes and threaded holes are respectively arranged on the hole walls of two opposite fixing holes on two sides of the clearance groove 36, and the threaded holes and the bolt holes correspond to each other. The fixing seat 31 is sleeved on the connecting shaft through a fixing hole, and the locking device is used for tensioning hole walls on two sides of the clearance groove 36. Usually, at least two locking devices are provided, and the bolt of the locking device is matched with the bolt hole and the threaded hole to reduce a clearance groove, so that the fixing hole clamps the screw rod 2 and is fixed with the screw rod.
Locking device includes the bolt, bolt hole and screw hole, the bolt can use various hexagon head bolts, knob bolt etc, the bolt passes bolt hole and screw hole back and fastens, take up the space between the clearance groove, make the fixed orifices diameter of fixing base reduce, fixed Kong Jin is close to be overlapped on the connecting axle of lead screw, lock and fix each other with the lead screw, this kind of fixed mode is for the fixed mode of magnetism, the support that can bear and the weight of percentage table are bigger, when having overcome the magnetism mode of absorption that adopts current frock and fixed, the fixing base is easily become flexible and is led to the great defect of error ratio, measuring result is more accurate.
In one embodiment, the fixing seat 31 is a cylindrical structure, and the inner surface of the fixing hole and the outer surface of the fixing seat are coaxially arranged, so that batch processing is more convenient, operation is convenient in use, different stresses generated on the inner surface of the fixing hole are avoided, and different clamping accuracy is prevented.
In one embodiment, the fixing seat 31 is further provided with a bracket for mounting the dial indicator 6, and a clamping device fixedly connected with a shaft sleeve of the dial indicator is arranged at an end part of the outer side of the bracket. The support can be a stock, and clamping device locates the end of stock, and when the support was the structure of a plurality of connecting rod combination, a plurality of interconnect's connecting rod, clamping device installed in the terminal of a connecting rod of the fixing base is kept away from in the outside, and the axle sleeve of percentage table is fixed with clamping device, and the reading of percentage table is used for measuring the axiality between locating hole and the lead screw on the motor cabinet.
In one embodiment, the fixed end of the inner side of the support is fixed with the outer end face of one side, close to the motor base, of the fixed seat, and the mounting structure can reduce the total length of the support, further reduce the total weight of the fixed seat and the support, reduce error conditions and improve the accuracy of measured values.
In one embodiment, the bracket and the fixing seat are of an integrated structure, so that the weight of the fixing seat and the bracket can be further reduced.
In one embodiment, the bracket includes a plurality of connecting rods and locking assemblies securing the connecting rods to each other, the connecting rods being interconnected at both ends of the connecting rods using the locking assemblies to form the bracket.
The front end of the shell of the driving motor is provided with a flange, the diameter of the flange is close to that of the positioning hole, the outer surface of the flange is coaxially arranged with the output shaft of the driving motor, and the flange of the driving motor is fixedly positioned with the motor base. Because the flange is coaxial with driving motor's output shaft, consequently, the connecting rod as the support is hollow tubular structure for adopt the material of light to the fixed locking Assembly of connecting rod end to end, the material that locking Assembly chooseed for use usually is aluminum alloy or high strength's plastics, in order to reduce the weight of the whole support percentage table's support, reduces the weight of percentage table and support self, reduces the influence when measuring.
Compared with the prior art, the utility model discloses beneficial effect below having at least:
the utility model discloses detect frock of motor cabinet locating hole and lead screw axiality, the mode that fixing base and the connecting axle of lead screw use locking device to be connected, guarantee to have great rigidity between fixing base and support and the percentage table, replace current magnetic adsorption's fixing base fixed mode, fixed mode for current magnetic adsorption, fixed fastness is higher, when support centre gripping percentage table is measured, support and percentage table can not take place relative rocking because of the dead weight with the lead screw, also can not lead to the measuring result of percentage table extra error to appear, improve the measuring degree of accuracy, ensure the axiality between the locating hole of motor cabinet and lead screw, it is higher to make the axiality between driving motor output shaft and the lead screw, be favorable to reducing lead screw vibration extension lathe life.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings or the direct/indirect application in other related technical fields are included in the scope of the present patent protection.
Claims (10)
1. The utility model provides a detect frock of motor cabinet locating hole and lead screw axiality which characterized in that: the device comprises a fixed seat and a support which are connected with each other, wherein the support is used for installing a dial indicator, and the fixed seat is fixed with a screw rod through a locking device.
2. The tool for detecting the coaxiality of the motor base positioning hole and the screw rod as claimed in claim 1, is characterized in that: the fixing seat comprises a cylindrical fixing hole, and the fixing hole is sleeved on the screw rod and fixed with the screw rod.
3. The tool for detecting the coaxiality of the motor base positioning hole and the screw rod as claimed in claim 2, is characterized in that: the fixed seat is provided with a clearance groove, the clearance groove cuts through the hole wall on one side of the fixed hole along the radial direction of the fixed hole, and the locking device is used for tensioning the hole walls on two sides of the clearance groove.
4. The tool for detecting the coaxiality of the motor base positioning hole and the screw rod as claimed in claim 3, is characterized in that: the locking device comprises a bolt, a bolt hole and a threaded hole, the bolt hole is formed in the hole wall of one side of the clearance groove, and the threaded hole is formed in the hole wall of the other side of the clearance groove and corresponds to the bolt hole.
5. The tool for detecting the coaxiality of the motor base positioning hole and the screw rod as claimed in claim 4, is characterized in that: the number of the locking devices is at least two, and bolts of the locking devices are matched with the bolt holes and the threaded holes to reduce clearance grooves, so that the screw rod is clamped by the fixing holes and fixed with the screw rod.
6. The tool for detecting the coaxiality of the motor base positioning hole and the screw rod as claimed in claim 5, is characterized in that: the fixing seat is a cylinder, and the inner surface of the fixing hole and the outer surface of the fixing seat are coaxially arranged.
7. The tool for detecting the coaxiality of the motor base positioning hole and the screw rod as claimed in claim 6, is characterized in that: the end part of the outer side of the bracket is fixed with the dial indicator.
8. The tool for detecting the coaxiality of the motor base positioning hole and the screw rod as claimed in claim 7, is characterized in that: the fixed end of the inner side of the support is fixed with the outer end face of one side, close to the motor base, of the fixing base.
9. The tool for detecting the coaxiality of the motor base positioning hole and the screw rod as claimed in claim 8, is characterized in that: the bracket and the fixed seat are of an integrally connected structure.
10. The tool for detecting the coaxiality of the motor base positioning hole and the screw rod as claimed in claim 8, is characterized in that: the support comprises a plurality of connecting rods and locking assemblies, and the connecting rods are connected with each other at two ends of the connecting rods through the locking assemblies to form the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222217298.4U CN218443689U (en) | 2022-08-23 | 2022-08-23 | Tool for detecting coaxiality of motor base positioning hole and screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222217298.4U CN218443689U (en) | 2022-08-23 | 2022-08-23 | Tool for detecting coaxiality of motor base positioning hole and screw rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218443689U true CN218443689U (en) | 2023-02-03 |
Family
ID=85096079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222217298.4U Active CN218443689U (en) | 2022-08-23 | 2022-08-23 | Tool for detecting coaxiality of motor base positioning hole and screw rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218443689U (en) |
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2022
- 2022-08-23 CN CN202222217298.4U patent/CN218443689U/en active Active
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