CN220463182U - Machine tool spindle straightness detection device - Google Patents

Abstract

The utility model relates to a lathe main shaft straightness accuracy detection device belongs to main shaft detection technical field, including bottom plate and sliding connection at the slide bar at the bottom plate top, first spout has been seted up at the top of bottom plate, the first U-shaped frame of top fixedly connected with of slide bar, the lateral wall sliding connection of first U-shaped frame has the second U-shaped frame, the top fixedly connected with backplate of bottom plate, the top of backplate and the bottom fixed connection of second U-shaped frame. Through the cooperation of rocking disc and first threaded rod, first cover piece drives the connecting rod and removes and adjust for the slide bar drives first U-shaped frame and removes, thereby adjusts the distance between first U-shaped frame and the second U-shaped frame, uses through the cooperation of first arc and second arc, is convenient for lay the lathe main shaft in detection area, thereby is convenient for carry out the effect that detects to the lathe main shaft of different length, is convenient for lay to three main shafts simultaneously, and then improves the detection efficiency of lathe main shaft.

Description

Machine tool spindle straightness detection device

Technical Field

The utility model relates to a main shaft detection field relates to lathe main shaft straightness accuracy detection device.

Background

In the production process of a machine tool, the straightness of a machine tool main shaft is an important performance index, has important significance for ensuring the machining precision of the machine tool and improving the product quality, and needs to be detected when the main shaft is assembled, maintained or replaced so as to ensure that the newly installed main shaft has straightness performance meeting the requirement;

through investigation publication (bulletin) number: CN210773856U discloses a straightness detecting device for straightening a main shaft, which comprises a placing seat, wherein the top of the placing seat is provided with a placing groove, the placing groove is provided with a rolling mechanism, two ends of the placing seat are provided with mounting grooves, the mounting grooves are provided with first motors, two ends of the placing seat are provided with adjusting rods, the adjusting rods are provided with first screws connected with the first motors, the first screws are in threaded connection with first moving blocks, second screws are arranged between the first moving blocks, one of the first moving blocks is provided with a second motor, the second screws are connected with the output end of the second motor, the first moving blocks are connected with connecting rods, the connecting rods are provided with first reels, the first reels are provided with roll papers, the second screws are in threaded connection with second moving blocks, the second moving blocks are provided with abutting rods and scribing pens, and the abutting rods are provided with first rollers.

However, since the lengths of the main shafts used by the machine tool are different according to the sizes of the machine tools, the straightness detection of the main shafts with different lengths may not be convenient when the straightness detection of the main shafts with different lengths is performed, so that the straightness of the main shafts with different lengths cannot be evaluated, and meanwhile, the straightness detection of one to three main shafts with the same length is not convenient, so that the efficiency of the main shaft detection is greatly reduced;

in order to solve the above problems, a machine tool spindle straightness detection device is proposed in the present application.

Disclosure of Invention

The utility model provides a lathe main shaft straightness accuracy detection device to the technical problem that exists among the prior art.

The technical scheme of the utility model for solving the technical problem is as follows: the utility model provides a machine tool spindle straightness accuracy detection device, includes bottom plate and sliding connection at the slide bar at the bottom plate top, first spout has been seted up at the top of bottom plate, the top fixedly connected with first U-shaped frame of slide bar, the lateral wall sliding connection of first U-shaped frame has the second U-shaped frame, the top fixedly connected with backplate of bottom plate, the top of backplate and the bottom fixedly connected with of second U-shaped frame, the lateral wall rotation of backplate is connected with first threaded rod, the lateral wall threaded connection of first threaded rod has first cover piece, the rocking disc is installed to the one end that the backplate was kept away from to first threaded rod, the lateral wall fixedly connected with connecting rod of first cover piece, one side that the slide bar is close to the rocking disc and the one end fixedly connected with that the connecting rod kept away from first cover piece, the top fixedly connected with first arc of first U-shaped frame, the top fixedly connected with second arc of second U-shaped frame,

the inside of first arc and second arc is all installed protruding pad, through setting up protruding pad, has realized avoiding the lathe main shaft after laying to slide.

The motor is installed to one side that first threaded rod was kept away from to the backplate, the output fixedly connected with second threaded rod of motor, the lateral wall threaded connection of second threaded rod has the second cover piece, the top of second cover piece is provided with the detection component to the main shaft detection, through setting up motor, second threaded rod and second cover piece, has realized adjusting the position of detection component.

The lateral wall fixedly connected with otic placode of backplate, the lateral wall of otic placode rotates with the one end that the motor was kept away from to the second threaded rod and is connected, one side fixedly connected with slider that the second cover piece is close to the backplate, one side that the second cover piece was kept away from to the slider and one side sliding connection that the backplate is close to the second cover piece, through setting up otic placode and slider, realized increasing the stability of second cover piece activity.

The detection assembly comprises a detection plate fixedly connected to the top of the second set of block, the top of the detection plate is slidably connected with a convex block, an air cylinder is arranged on the inner side wall of the convex block, a rebound type displacement sensor is arranged at the telescopic end of the air cylinder, and the detection plate, the convex block and the air cylinder are arranged, so that the height of the rebound type displacement sensor is conveniently adjusted, and the detection end of the rebound type displacement sensor is in contact with the outer surface of the main shaft.

The electric telescopic rod is installed to the inside wall of pick-up plate, electric telescopic rod's flexible end and the lateral wall fixed connection of convex piece, through setting up electric telescopic rod, realized being convenient for accurate control resilience formula displacement sensor horizontal migration.

The second chute is arranged at the top of the detection plate, and the convex block is in sliding connection with the top of the detection plate through the second chute, so that the stability of the convex block in movement is improved.

The beneficial effects of the utility model are that: through the cooperation of rocking disc and first threaded rod, first cover piece drives the connecting rod and removes and adjust for the slide bar drives first U-shaped frame and removes, thereby adjusts the distance between first U-shaped frame and the second U-shaped frame, uses through the cooperation of first arc and second arc, is convenient for lay the lathe main shaft in detection area, thereby is convenient for carry out the effect that detects to the lathe main shaft of different length, is convenient for lay to three main shafts simultaneously, and then improves the detection efficiency of lathe main shaft.

Through the cylinder operation, rebound formula displacement sensor moves down to contact with the lathe main shaft surface for rebound formula displacement sensor moves in the horizontal direction through electric telescopic handle operation, thereby is convenient for detect the straightness accuracy performance of main shaft, in order to ensure the machining precision of lathe.

Through the motor operation, the second threaded rod rotates, and the second cover piece drives detection component and removes the regulation for rebound formula displacement sensor removes to directly over the main shaft, and the cooperation of rethread slider and otic placode is used, increases the stability of second cover piece activity, thereby is convenient for carry out the effect of adjusting to the position of detection component.

Drawings

FIG. 1 is a schematic view of a practical three-dimensional structure;

FIG. 2 is a schematic view of a first U-shaped frame and related structure thereof;

FIG. 3 is a schematic view of a second set of blocks and related structures;

fig. 4 is a schematic structural diagram of the detection assembly of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a bottom plate; 2. a slide bar; 3. a first chute; 4. a first U-shaped frame; 5. a second U-shaped frame; 6. a back plate; 7. a first threaded rod; 8. a rocking disc; 9. a first set of blocks; 10. a connecting rod; 11. a first arcuate plate; 12. a second arcuate plate; 13. a motor; 14. a second threaded rod; 15. a second set of blocks;

16. a detection assembly; 161. a detection plate; 162. an electric telescopic rod; 163. a male block; 164. a cylinder; 165. a rebound displacement sensor; 166. a second chute;

17. a slide block; 18. ear plate.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

In the description of the present application, the terms "first," "second," and the like 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 defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present application, the term "for example" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "for example" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the utility model. In the following description, details are set forth for purposes of explanation. It will be apparent to one of ordinary skill in the art that the present utility model may be practiced without these specific details. In other instances, well-known structures and processes have not been described in detail so as not to obscure the description of the utility model with unnecessary detail. Thus, the present utility model is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.

Referring to fig. 1-2, the machine tool spindle straightness detection device comprises a bottom plate 1 and two slide bars 2 which are slidably connected to the top of the bottom plate 1, wherein the two slide bars 2 are symmetrically distributed by taking the central axis of the bottom plate 1 as the center, a first sliding groove 3 is formed in the top of the bottom plate 1, a first U-shaped frame 4 is fixedly connected to the top of the slide bar 2, the cross section of the first U-shaped frame 4 is U-shaped, a second U-shaped frame 5 is slidably connected to the outer side wall of the first U-shaped frame 4, the cross section of the second U-shaped frame 5 is U-shaped, the top of the bottom plate 1 is fixedly connected with a back plate 6, the top of the back plate 6 is fixedly connected with the bottom of the second U-shaped frame 5, a first threaded rod 7 is rotatably connected to the outer side wall of the back plate 6, a first set of blocks 9 is in threaded connection with the outer side wall of the first threaded rod 7, the end, far away from the backboard 6, of the first threaded rod 7 is provided with a rocking disc 8, one end, close to the rocking disc 8, of the first threaded rod 7 is arranged at the top of the bottom plate 1 through a stabilizing plate, the outer side wall of the first set of blocks 9 is fixedly connected with connecting rods 10, the two connecting rods 10 are symmetrically distributed by taking the central axis of the first set of blocks 9 as the center, one side, close to the rocking disc 8, of the sliding rod 2 is fixedly connected with one end, far away from the first set of blocks 9, of the connecting rods 10, the top of the first U-shaped frame 4 is fixedly connected with first arc plates 11, the first arc plates 11 are arranged in three, the three first arc plates 11 are arranged at the top of the first U-shaped frame 4 and distributed in a linear array, the top of the second U-shaped frame 5 is fixedly connected with second arc plates 12, and the number of the first arc plates 11 and the second arc plates 12 are equal;

through rotatory rocking disc 8, first threaded rod 7 rotates thereupon, and first set of piece 9 drives connecting rod 10 and removes to the direction that is close to backplate 6, and first U-shaped frame 4 removes to the direction that is close to second U-shaped frame 5 to adjust the distance between first U-shaped frame 4 and the second U-shaped frame 5, shorten the distance between first U-shaped frame 4 and the second U-shaped frame 5, thereby be convenient for the detection to the lathe main shaft of different length, be convenient for place one to three main shafts simultaneously.

Referring to fig. 2, the inside of the first and second curved plates 11 and 12 are provided with a protrusion pad, which is made of rubber material and has a certain elasticity, so that the protrusion pad prevents the spindle disposed between the first and second curved plates 11 and 12 from sliding.

Referring to fig. 3, a motor 13 is installed on one side of the back plate 6 far away from the first threaded rod 7, the output end of the motor 13 is fixedly connected with a second threaded rod 14, the outer side wall of the second threaded rod 14 is in threaded connection with a second sleeve block 15, the inner side wall of the second sleeve block 15 is matched with the outer side wall of the second threaded rod 14, a detection component 16 for detecting a main shaft is arranged at the top of the second sleeve block 15, after the motor 13 operates, the second threaded rod 14 rotates, and the second sleeve block 15 drives the detection component 16 to move, so that the detection component 16 is convenient to move to the upper portion of the main shaft.

Referring to fig. 3, an ear plate 18 is fixedly connected to the outer side wall of the back plate 6, the outer side wall of the ear plate 18 is rotatably connected with one end, far away from the motor 13, of the second threaded rod 14, a sliding block 17 is fixedly connected to one side, close to the back plate 6, of the second sleeve block 15, one side, far away from the second sleeve block 15, of the sliding block 17 is slidably connected with one side, close to the second sleeve block 15, of the back plate 6, the sliding block 17 is located between the second sleeve block 15 and the back plate 6, the stability of rotation of one end, far away from the motor 13, of the second threaded rod 14 is increased by the ear plate 18, and the stability of movement of the second sleeve block 15 is increased by the sliding block 17.

Referring to fig. 3 to 4, the detecting assembly 16 includes a detecting plate 161 fixedly connected to the top of the second set of blocks 15, the detecting plate 161 has an L-shaped longitudinal section, the detecting plate 161 has a convex block 163 slidably connected to the top of the detecting plate 161, the convex block 163 has a convex longitudinal section, an air cylinder 164 is mounted to the inner side wall of the convex block 163, a rebound displacement sensor 165 is mounted to the telescopic end of the air cylinder 164, the rebound displacement sensor 165 is fixed to the center of the telescopic end of the air cylinder 164, and after the air cylinder 164 operates, the rebound displacement sensor 165 moves downward to contact with the spindle, thereby facilitating detection of the spindle.

Referring to fig. 1 and 4, an electric telescopic rod 162 is mounted on the inner side wall of the detection plate 161, the telescopic end of the electric telescopic rod 162 is fixedly connected with the outer side wall of the convex block 163, and after the electric telescopic rod 162 operates, the rebound type displacement sensor 165 precisely and horizontally moves, so that the rebound type displacement sensor 165 detects the straightness of the main shaft.

Referring to fig. 4, a second sliding groove 166 is formed in the top of the detection plate 161, the convex block 163 is slidably connected to the top of the detection plate 161 through the second sliding groove 166, and the second sliding groove 166 increases the stability of the movement of the convex block 163, so that the rebound displacement sensor 165 stably moves.

Working principle:

the straightness detection device for the machine tool main shaft firstly drives the first threaded rod 7 to rotate through the rocking disc 8, the first set of blocks 9 drives the connecting rod 10 to move towards the direction close to the back plate 6, the distance between the second U-shaped frame 5 and the first U-shaped frame 4 is shortened, so that the detection of the main shafts with different lengths is facilitated, the machine tool main shafts (one to three) which are maintained or need to be replaced are sequentially arranged above the first U-shaped frame 4 and the second U-shaped frame 5, the first arc-shaped plate 11 and the second arc-shaped plate 12 are convenient for placing the machine tool main shafts, the motor 13 operates, the second threaded rod 14 rotates along with the machine tool main shafts, the second set of blocks 15 drive the detection assembly 16 to move horizontally and adjust, so that the rebound type displacement sensor 165 moves to the position right above the main shaft, the air cylinder 164 operates, the detection end of the rebound type displacement sensor 165 moves downwards to be in contact with the main shaft, the electric telescopic rod 162 operates, the rebound type displacement sensor 165 moves towards the direction close to the electric telescopic rod 162, the rebound type displacement sensor 165 is precisely controlled to move in the horizontal direction, data detected by the rebound type displacement sensor 165 are observed and recorded in the moving process, and displacement data of different positions of the main shaft are recorded.

While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, if such modifications and variations of the present utility model fall within the scope of the claims and their equivalents, the present utility model also intends to include such modifications and variations.

Claims (7)

1. The utility model provides a lathe main shaft straightness accuracy detection device, includes slide bar (2) at bottom plate (1) top with sliding connection, its characterized in that, first spout (3) have been seted up at the top of bottom plate (1), first U-shaped frame (4) of top fixedly connected with of slide bar (2), the lateral wall sliding connection of first U-shaped frame (4) has second U-shaped frame (5), the top fixedly connected with backplate (6) of bottom plate (1), the top of backplate (6) and the bottom fixed connection of second U-shaped frame (5), the lateral wall rotation of backplate (6) is connected with first threaded rod (7), the lateral wall threaded connection of first threaded rod (7) has first cover piece (9), rocking disc (8) are installed to the one end that rocking disc (6) were kept away from to first threaded rod (7), the lateral wall fixedly connected with connecting rod (10) of first cover piece (9), one side that rocking disc (2) are close to rocking disc (8) keeps away from first arc connection of first U-shaped frame (4), first arc connection of top (11) has first arc.

2. The machine tool spindle straightness detection device according to claim 1, wherein the first arc plate (11) and the second arc plate (12) are internally provided with protruding pads.

3. The machine tool spindle straightness detection device according to claim 1, wherein a motor (13) is installed on one side, far away from the first threaded rod (7), of the back plate (6), a second threaded rod (14) is fixedly connected to the output end of the motor (13), a second set of blocks (15) are connected to the outer side wall of the second threaded rod (14) in a threaded mode, and a detection assembly (16) for spindle detection is arranged at the top of each second set of blocks (15).

4. A machine tool spindle straightness detection device according to claim 3, wherein an ear plate (18) is fixedly connected to the outer side wall of the back plate (6), the outer side wall of the ear plate (18) is rotatably connected with one end of a second threaded rod (14) far away from the motor (13), a sliding block (17) is fixedly connected to one side, close to the back plate (6), of the second sleeve block (15), and one side, close to the second sleeve block (15), of the sliding block (17) is slidably connected with one side, close to the second sleeve block (15), of the back plate (6).

5. A machine tool spindle straightness detection apparatus according to claim 3, wherein the detection assembly (16) comprises a detection plate (161) fixedly connected to the top of the second set of blocks (15), a convex block (163) is slidingly connected to the top of the detection plate (161), a cylinder (164) is mounted on the inner side wall of the convex block (163), and a rebound displacement sensor (165) is mounted on the telescopic end of the cylinder (164).

6. The machine tool spindle straightness detection device according to claim 5, wherein an electric telescopic rod (162) is mounted on an inner side wall of the detection plate (161), and a telescopic end of the electric telescopic rod (162) is fixedly connected with an outer side wall of the convex block (163).

7. The machine tool spindle straightness detection device according to claim 5, wherein a second chute (166) is formed in the top of the detection plate (161), and the convex block (163) is slidably connected to the top of the detection plate (161) through the second chute (166).