CN219026859U - Machine tool guide rail detection device - Google Patents
Machine tool guide rail detection device Download PDFInfo
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- CN219026859U CN219026859U CN202222965615.0U CN202222965615U CN219026859U CN 219026859 U CN219026859 U CN 219026859U CN 202222965615 U CN202222965615 U CN 202222965615U CN 219026859 U CN219026859 U CN 219026859U
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Abstract
The utility model discloses a machine tool guide rail detection device, which comprises: the positioning driving strip, the motion measuring assembly and the calibration seat are sleeved at both ends of the positioning driving strip, one side of the sleeve seat is fixedly provided with the positioning sliding strip, the calibration seat is slidably arranged on the surface of the positioning sliding strip, the calibration seat comprises a sleeve block and a positioning needle, the surface of the sleeve block is fixedly sleeved with the measuring guide rod, and the motion measuring assembly comprises a movable sliding table, a deflection table and a traction sliding rod which is slidably sleeved on the surface of the measuring guide rod. According to the utility model, the novel motion type detection structure is arranged, the positioning driving bar is fixed on the surface of one guide rail and the two ends of the other guide rail are positioned by the calibration seat, so that the offset of the traction sliding rod is converted into the offset of the deflection table in the moving process of the motion measuring assembly, the offset between the two guide rails is measured, whether the two guide rails are offset is judged, and the operation is simple and practical.
Description
Technical Field
The utility model relates to the technical field of machine tool detection, in particular to a machine tool guide rail detection device.
Background
Machine tools are generally classified into metal cutting machines, forging machines, woodworking machines, and the like. There are many ways to process machine parts in modern machine manufacturing: besides cutting processing, there are casting, forging, welding, stamping, extrusion and the like, but parts with higher precision requirements and finer surface roughness requirements are generally subjected to final processing by a cutting method on a machine tool. Parts that support and guide the moving member along a certain trajectory are called guide rail pairs, also often simply called guide rails. The motion trail of the moving part is straight line, circle or curve, the rolling circle guide rail can be a rolling thrust bearing, and the curve guide rail is rarely applied in machinery. The guide rail is a very important component in machines, and particularly in machine tools. The machining precision of the machine tool is directly related to the precision of the guide rail, and the machining workload of the guide rail is about 40% of the machining workload of the whole machine tool. Moreover, once the guide rail is damaged, maintenance is very difficult.
The existing double-guide-rail machine tool guides a sliding table through a double-guide-rail structure which is arranged in parallel in the movement of a positioning table, so that the sliding table stably moves, the phenomenon that double guide rails are not parallel in the use of the double guide rails, namely, one side guide rail is offset, so that the movement friction resistance of the sliding table is increased or the movement of the sliding table is offset, the existing detection mode mainly comprises the steps of measuring the distance between the two guide rails to judge the parallelism change, the operation is complex, the tiny offset change cannot be detected, accurate detection cannot be performed when the parallelism deviation caused by the inclination of the guide rails on the two sides is caused, and certain defects exist.
Disclosure of Invention
The present utility model aims to solve one of the technical problems existing in the prior art or related technologies.
The technical scheme adopted by the utility model is as follows: a machine tool guide rail detection device, comprising: the positioning driving bar, the motion measuring assembly and the calibration seat are sleeved at two ends of the positioning driving bar, a positioning sliding bar is fixedly arranged on one side of the sleeve seat, the calibration seat is slidably arranged on the surface of the positioning sliding bar, the calibration seat comprises a sleeve block and a positioning needle, a measuring guide rod is sleeved on the surface of the sleeve block in a fixed manner, the motion measuring assembly comprises a movable sliding table, a deflection table and a traction sliding rod which is slidably sleeved on the surface of the measuring guide rod, an electric potential supporting needle which is arranged below the measuring guide rod is fixedly arranged at the bottom end of the traction sliding rod, the deflection table is rotatably arranged on the surface of the movable sliding table, one end of the deflection table is movably connected with one end of the traction sliding rod, and an angle sensor is arranged on the surface of the deflection table.
The present utility model may be further configured in a preferred example to: the positioning slide bars and the positioning driving bars are arranged in a mutually perpendicular mode, and the top surfaces of the positioning slide bars and the positioning driving bars are located on the same horizontal plane.
The present utility model may be further configured in a preferred example to: the inner side of the positioning driving bar is provided with a driving belt, the inner side of the positioning driving bar is fixedly provided with a driving motor, the output end of which is in transmission connection with the surface of the driving belt, the bottom end of the movable sliding table is provided with a linkage pin fixedly connected with the surface of the driving belt, and the bottom surface of the movable sliding table is provided with a pulley which is abutted against the surface of the positioning driving bar.
The present utility model may be further configured in a preferred example to: the surface of standard seat is equipped with the locking screw rod, the one end of locking screw rod runs through the surface of location draw runner and the screw thread cup joints the butt nut, the spout has been seted up on the surface of location draw runner, the locking screw rod cup joint in the inboard of spout.
The present utility model may be further configured in a preferred example to: the shaft end of the deflection table surface angle sensor is fixedly connected with the surface of the movable sliding table, and the center of the shaft end of the angle sensor is concentric with the center of the relative rotation center of the movable sliding table and the deflection table.
The present utility model may be further configured in a preferred example to: the electric potential needle is of an elastic telescopic contact pin structure, an electrode sleeve is arranged on the surface of the electric potential needle, a plurality of contacts which are uniformly arranged along the arrangement direction of the traction sliding rod are arranged on the inner side of the electrode sleeve, and an electrode brush which is in sliding contact with the surface of the contact is arranged at the top end of the electric potential needle.
The present utility model may be further configured in a preferred example to: the number of the contacts is a plurality, and the contacts and the end parts of the electrode brushes are electrically connected with alarms.
The present utility model may be further configured in a preferred example to: the bottom of the potential abutting needle is embedded with a ball, and the surface of the ball is hardened.
The beneficial effects obtained by the utility model are as follows:
1. according to the utility model, the novel motion type detection structure is arranged, the positioning driving bar is fixed on the surface of one guide rail and the two ends of the other guide rail are positioned by the calibration seat, so that the offset of the traction sliding rod is converted into the offset of the deflection table in the moving process of the motion measuring assembly, the offset between the two guide rails is measured, whether the two guide rails are offset is judged, and the operation is simple and practical.
2. According to the utility model, the potential needle abutting structure is arranged at the bottom end of the traction sliding rod, the potential needle abutting structure is kept abutting against the top surface of the measuring guide rail while the motion measuring assembly slides, if the surface of the rail to be detected and the surface of the standard rail are subjected to relative inclination change, the telescopic length of the potential needle abutting structure is changed accordingly, so that potential change is generated, an electric signal is sent out to judge whether the guide rail at the detection end is inclined, and levelness detection of the guide rail is realized.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic view of a surface structure of a positioning bar according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a motion estimation assembly according to one embodiment of the present utility model;
FIG. 4 is a schematic view of a calibration stand according to an embodiment of the present utility model;
fig. 5 is an exploded view of a positioning bar according to an embodiment of the present utility model.
Reference numerals:
100. positioning a driving bar; 110. a sleeve seat; 120. positioning a slide bar; 130. measuring a guide rod; 140. a drive belt;
200. a motion determination assembly; 210. moving the sliding table; 220. a deflection table; 230. pulling the sliding rod; 240. electric potential needle abutment;
300. calibrating a seat; 310. sleeving blocks; 320. a positioning needle; 311. and (5) locking the screw rod.
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
Some embodiments of the present utility model provide a machine tool guide rail detection device described below with reference to the accompanying drawings.
Referring to fig. 1 to 5, the machine tool guide rail detection device provided by the present utility model includes: the positioning driving rod 100, the motion measuring assembly 200 and the calibration seat 300 are sleeved with the sleeve seat 110, one side of the sleeve seat 110 is fixedly provided with the positioning sliding rod 120, the calibration seat 300 is slidably mounted on the surface of the positioning sliding rod 120, the calibration seat 300 comprises a sleeve block 310 and a positioning needle 320, the surface of the sleeve block 310 is fixedly sleeved with the measuring guide rod 130, the motion measuring assembly 200 comprises a movable sliding table 210, a deflection table 220 and a traction sliding rod 230 which is slidably sleeved on the surface of the measuring guide rod 130, the bottom end of the traction sliding rod 230 is fixedly provided with a potential abutting needle 240 positioned below the measuring guide rod 130, the deflection table 220 is rotatably mounted on the surface of the movable sliding table 210, one end of the deflection table 220 is movably connected with one end of the traction sliding rod 230, an angle sensor is arranged on the surface of the deflection table 220, and the movable sliding table 210 is slidably mounted on the surface of the positioning driving rod 100.
In this embodiment, the positioning slide 120 and the positioning drive bar 100 are disposed perpendicular to each other, and the top surfaces of the positioning slide 120 and the positioning drive bar 100 are located at the same horizontal plane.
Specifically, the standard rail surface plane is calibrated by using the positioning driving bar 100 and the positioning sliding bar 120, so that the inclination of the measurement guide rod 130 is consistent with the standard rail surface, and the inclination of the rail to be detected and the standard rail surface is measured by using the potential needle abutment 240.
In this embodiment, the inner side of the positioning driving bar 100 is provided with a driving belt 140, the inner side of the positioning driving bar 100 is fixedly provided with a driving motor with an output end in transmission connection with the surface of the driving belt 140, the bottom end of the moving sliding table 210 is provided with a linkage pin fixedly connected with the surface of the driving belt 140, and the bottom surface of the moving sliding table 210 is provided with a pulley abutted against the surface of the positioning driving bar 100.
Specifically, the driving belt 140 and the driving motor work to drive the movable sliding table 210 to perform sliding motion on the surface of the positioning driving bar 100, so as to realize motion detection.
In this embodiment, the surface of the calibration seat 300 is provided with a locking screw 311, one end of the locking screw 311 penetrates through the surface of the positioning slide 120 and is in threaded connection with an abutting nut, the surface of the positioning slide 120 is provided with a sliding groove, and the locking screw 311 is in threaded connection with the inner side of the sliding groove.
Specifically, the sliding adjustment of the calibration seat 300 is performed by using the locking screw 311 and the sliding groove on the surface of the positioning slide 120, so that the positioning needle 320 is adjusted according to the position of the rail to be detected, the two ends of the measuring guide rod 130 are adjusted to enable the measuring guide rod 130 to be parallel to the rail to be detected, and the relative position of the calibration seat 300 and the positioning slide 120 is locked by using the rotation of the locking screw 311 and the action of the abutting nut to improve the friction between the locking screw 311 and the surface of the positioning slide 120, so that the deviation of the measuring guide rod 130 in the detection is avoided.
In this embodiment, the shaft end of the angle sensor on the surface of the deflection table 220 is fixedly connected with the surface of the moving sliding table 210, and the center of the shaft end of the angle sensor is concentric with the center of the relative rotation of the moving sliding table 210 and the deflection table 220.
Specifically, the rotation angle of the deflection table 220 on the surface of the moving sliding table 210 is detected by the surface angle sensor of the deflection table 220, so as to detect the deflection angle between the measuring guide rod 130 and the surface of the positioning driving bar 100.
In this embodiment, the potential supporting needle 240 is an elastic telescopic contact pin structure, the surface of the potential supporting needle 240 is provided with an electrode sleeve, the inner side of the electrode sleeve is provided with a plurality of contacts uniformly arranged along the arrangement direction of the traction sliding rod 230, and the top end of the potential supporting needle 240 is provided with an electrode brush in sliding contact with the contact surface.
Further, the number of the contacts is a plurality, and the contacts and the end parts of the electrode brushes are electrically connected with alarms.
Specifically, when the traction slide bar 230 abuts against the surface of the rail to be detected, the electrode brush at the top end of the potential abutting needle 240 is connected with one contact point through an electrode, when the surface of the rail to be detected is inclined, the distance between the potential abutting needle 240 and the measurement guide rod 130 is changed, the bottom end of the potential abutting needle 240 is elastically abutted against the surface of the rail to be detected to perform telescopic movement, and the electrode brush is contacted with different contact points, so that an electric signal is triggered to alarm.
In this embodiment, the bottom end of the potential contact pin 240 is embedded with balls, and the surfaces of the balls are hardened.
Specifically, the potential abutting needle 240 is abutted and slid with the surface of the rail to be tested, and the sliding friction of the potential abutting needle 240 is reduced by the balls.
The working principle and the using flow of the utility model are as follows:
in the double-guide-rail detection, one guide rail is firstly calibrated to be a standard rail, the other guide rail is a rail to be detected, the positioning driving bar 100 is flatly paved on the surface of the standard rail and slides on the surface of the positioning sliding bar 120 to adjust the position of the calibration seat 300, so that the bottom end of the positioning needle 320 is aligned to the middle line at two ends of the rail to be detected, the detection is started, the driving belt 140 drives the movable sliding table 210 to slide on the surface of the positioning driving bar 100, the movable sliding table 210 slides while simultaneously driving the traction sliding bar 230 and the deflection table 220 to synchronously move, the traction sliding bar 230 slides on the surface of the detection guiding bar 130, the potential abutting needle 240 is contacted with the surface of the rail to be detected, the surface abutting potential abutting needle 240 stretches and changes when the surface of the rail to be detected is inclined, the potential abutting needle 240 generates potential change to send an alarm signal, after the motion detection component 200 moves from one end of the positioning driving bar 100 to the other end, the traction sliding bar 230 synchronously moves from one end of the detection guiding bar 130 to the other end, if the positioning driving bar 100 and the detection guiding bar 130 are in a non-parallel state, the traction sliding bar 230 deflects the surface of the deflection table 220 on the surface of the movable sliding table 210, the surface of the movable sliding bar 210 is deflected by the movable sliding bar 210, the surface of the deflection table 220 is determined by the deflection angle of the surface of the deflection table 220, and the deflection angle of the deflection of the turntable is determined by the deflection angle of the sensor 220.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (8)
1. A machine tool guide rail detection device, characterized by comprising: location drive strip (100), motion measurement subassembly (200) and mark seat (300), sleeve seat (110) have all been cup jointed at the both ends of location drive strip (100), one side fixed mounting of sleeve seat (110) has location draw runner (120), mark seat (300) slidable mounting in location draw runner (120) surface, mark seat (300) including cover piece (310) and location needle (320), and the fixed surface of cover piece (310) cup joints measurement guide arm (130), motion measurement subassembly (200) including removal slip table (210), deflection platform (220) and slip cup joint in traction slide bar (230) on measurement guide arm (130) surface, the bottom fixed mounting of traction slide bar (230) has potential butt needle (240) that are located measurement guide arm (130) below, deflection platform (220) are installed in removal slip table (210) surface and one end swing joint with traction slide bar (230), deflection platform (220) surface is equipped with the angle sensor, removal slip table (210) slidable mounting in the surface of location drive strip (100).
2. The machine tool guide rail detection device according to claim 1, wherein the positioning slide bar (120) and the positioning drive bar (100) are arranged perpendicular to each other, and the top surfaces of the positioning slide bar (120) and the positioning drive bar (100) are located on the same horizontal plane.
3. The machine tool guide rail detection device according to claim 1, wherein a driving belt (140) is arranged on the inner side of the positioning driving bar (100), a driving motor with an output end in transmission connection with the surface of the driving belt (140) is fixedly arranged on the inner side of the positioning driving bar (100), a linkage pin fixedly connected with the surface of the driving belt (140) is arranged at the bottom end of the movable sliding table (210), and a pulley abutting against the surface of the positioning driving bar (100) is arranged on the bottom surface of the movable sliding table (210).
4. The machine tool guide rail detection device according to claim 1, wherein a locking screw (311) is arranged on the surface of the calibration seat (300), one end of the locking screw (311) penetrates through the surface of the positioning slide bar (120) and is in threaded sleeve joint with an abutting nut, a sliding groove is formed in the surface of the positioning slide bar (120), and the locking screw (311) is in sleeve joint with the inner side of the sliding groove.
5. The machine tool guide rail detection device according to claim 1, wherein the shaft end of the deflection table (220) is fixedly connected with the surface of the movable sliding table (210), and the center of the shaft end of the angle sensor is concentric with the center of relative rotation of the movable sliding table (210) and the deflection table (220).
6. The machine tool guide rail detection device according to claim 1, wherein the potential abutting needle (240) is of an elastic telescopic contact pin structure, an electrode sleeve is arranged on the surface of the potential abutting needle (240), a plurality of contacts uniformly arranged along the arrangement direction of the traction sliding rod (230) are arranged on the inner side of the electrode sleeve, and an electrode brush in sliding abutting contact with the surface of the contacts is arranged on the top end of the potential abutting needle (240).
7. The machine tool guide rail detection device according to claim 6, wherein the number of the contacts is several, and the contacts and the end parts of the electrode brushes are electrically connected with alarms.
8. The machine tool guide rail detection device according to claim 6, wherein balls are embedded and mounted at the bottom end of the potential abutting needle (240), and the surfaces of the balls are hardened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222965615.0U CN219026859U (en) | 2022-11-07 | 2022-11-07 | Machine tool guide rail detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222965615.0U CN219026859U (en) | 2022-11-07 | 2022-11-07 | Machine tool guide rail detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219026859U true CN219026859U (en) | 2023-05-16 |
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ID=86286840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222965615.0U Active CN219026859U (en) | 2022-11-07 | 2022-11-07 | Machine tool guide rail detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219026859U (en) |
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2022
- 2022-11-07 CN CN202222965615.0U patent/CN219026859U/en active Active
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