CN219589656U

CN219589656U - Detection equipment for testing gap between ball and screw

Info

Publication number: CN219589656U
Application number: CN202320642610.6U
Authority: CN
Inventors: 吴仁财
Original assignee: Suzhou Jiujun Intelligent Equipment Co ltd
Current assignee: Suzhou Jiujun Intelligent Equipment Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-25
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses a detection device for testing a gap between a ball and a screw, which comprises a rack, wherein the rack comprises an upper platform and a lower platform; the counterweight table is placed on the upper platform, and the upper surface of the counterweight table is used for fixing the module to be detected; the gasket is welded on the upper platform, and a gasket is arranged between the embedded plate and the lower surface of the counterweight table; the action mechanism comprises a horizontal linear module fixed on the lower platform, and a vertical electric cylinder is fixed on a sliding seat of the horizontal linear module; the module to be detected comprises a screw rod and a screw slider which are matched with each other, and the screw slider is assembled with the top of the vertical electric cylinder through a horizontal connecting rod. The utility model uses an automatic action mechanism to drive the module to be detected, has adjustable speed and resistance, and can detect the smoothness of different steel balls and ball screws. The scheme has high efficiency and high accuracy. The balance weight table is favorable for keeping levelness and stability, so that the accuracy of detection is ensured.

Description

Detection equipment for testing gap between ball and screw

Technical Field

The utility model relates to the field of linear module detection, in particular to detection equipment for testing a gap between a ball and a screw.

Background

The screw rod and the screw nut are essential important parts of many linear modules. The ball screw in the screw rod comprises a plurality of steel balls, but the diameters of the steel balls are accurately selected, otherwise, the diameters of the steel balls are too large and too small, so that additional resistance is brought to influence the linear motion. Therefore, the steel ball selection is involved in the manufacture, and the smoothness detection of the linear module is also involved.

At present, the gap between ball screw pairs in the market is tested manually, and the diameters of steel balls are increased or decreased, namely, the steel balls with different diameters are replaced. To test the smoothness of the ball screw pair, the ball screw can be smooth only by replacing the steel balls for several times in the process. Time and manpower are wasted in the whole process. Meanwhile, the degree of smoothness of human perception also has certain subjectivity and low accuracy.

Disclosure of Invention

The utility model aims to solve the problem of providing detection equipment for testing the gap between a ball and a screw, which utilizes an automatic action mechanism to drive a module to be detected, has adjustable speed and resistance and can detect the smoothness under different balls and ball screws. The scheme has high efficiency and high accuracy. The balance weight table is favorable for keeping levelness and stability, so that the accuracy of detection is ensured.

In order to solve the above problems, the present utility model provides a detection device for testing a gap between a ball and a screw, and in order to achieve the above objects, the technical solution adopted by the present utility model is as follows:

a test apparatus for testing ball and screw clearance comprising: the rack comprises an upper platform and a lower platform; the counterweight table is placed on the upper platform, and the upper surface of the counterweight table is used for fixing the module to be detected; the gasket is welded on the upper platform, and a gasket is arranged between the embedded plate and the lower surface of the counterweight table; the action mechanism comprises a horizontal linear module fixed on the lower platform, and a vertical electric cylinder is fixed on a sliding seat of the horizontal linear module; the module to be detected comprises a screw rod and a screw slider which are matched with each other, and the screw slider is assembled with the top of the vertical electric cylinder through a horizontal connecting rod.

The beneficial effects of adopting above-mentioned technical scheme are: the technical scheme mainly utilizes an automatic actuating mechanism to drive the module to be detected, the speed can be determined by a horizontal linear module sliding seat, vertical pressure is transmitted to the nut sliding block through a vertical electric cylinder, different friction resistances are brought, and the smoothness of the module to be detected under different resistances can be detected. The smoothness of the module to be detected can be automatically detected and recorded by the access sensor on the action mechanism. In this way, a manual pushing mode is omitted, and the scheme is high in efficiency and accuracy. Secondly, the height drop of the upper platform and the lower platform counteracts the vertical height of the vertical electric cylinder; finally, the balance weight platform utilizes self dead weight to guarantee the stability of frame, and the saucer can increase and decrease the regulation simultaneously to guarantee that balance weight platform upper surface is horizontal, thereby ensure the accuracy of detection.

As a further improvement of the utility model, the frame is formed by welding square tubes, the counterweight table is made of marble material, and the gasket is made of rubber material.

The beneficial effects of adopting above-mentioned technical scheme are: the levelness of the surface of the counterweight table made of marble meets the requirement. The gasket also has a certain buffering protection effect.

As a further improvement of the utility model, the height of the upper platform is higher than that of the lower platform, the length directions of the upper platform and the lower platform are parallel to each other, the lower platform is also welded with a cover plate, and the horizontal linear module is fixed with the cover plate.

The beneficial effects of adopting above-mentioned technical scheme are: the upper platform and the lower platform are respectively special placement positions.

As a still further improvement of the present utility model, the weight of the counterweight table is not less than the weight of the frame.

The beneficial effects of adopting above-mentioned technical scheme are: the counterweight table presses down the frame, so that the negative influence of the deformation of the frame is reduced.

As a further improvement of the utility model, the top of the vertical electric cylinder is provided with an assembling disk, and a plurality of through holes are annularly arranged on the assembling disk.

The beneficial effects of adopting above-mentioned technical scheme are: the through holes of the mounting plate provide more fixing locations.

As a further improvement of the utility model, the connecting rod is provided with a vertically-through waist-shaped hole, the length direction of the waist-shaped hole is parallel to the length direction of the connecting rod, and the through hole is assembled with the waist-shaped hole through a bolt.

The beneficial effects of adopting above-mentioned technical scheme are: the through holes and the waist-shaped holes necessarily have assembly positions, so that the through holes and the waist-shaped holes are convenient for workers to select and are convenient to assemble with modules to be detected of different specifications.

As a further improvement of the utility model, at least two bolts penetrating through the through holes are arranged in the waist-shaped holes.

The beneficial effects of adopting above-mentioned technical scheme are: the number of bolts is not less than two, so that the firmness of the assembly position is ensured.

As a further improvement of the utility model, the length of the horizontal linear module is longer than that of the module to be detected.

The beneficial effects of adopting above-mentioned technical scheme are: the horizontal linear module can detect the whole ball screw of the module to be detected.

As a further improvement of the utility model, when the assembly disk is not fixed with the connecting rod, the lowest limit position of the assembly disk is lower than the height of the screw slider, and the highest limit position of the assembly disk is higher than the height of the screw slider.

The beneficial effects of adopting above-mentioned technical scheme are: the telescopic section of the vertical electric cylinder can provide enough pressure adjustment for the nut sliding block.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a perspective view of one embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of an embodiment of the present utility model at A;

FIG. 3 is an enlarged view of a portion at B of one embodiment of the present utility model;

FIG. 4 is a perspective view of a frame according to one embodiment of the utility model;

fig. 5 is a perspective view of an embodiment of the present utility model.

1-a frame; 2-a lower platform; 3-upper platform; 4-cover plate; 5-embedding a plate; 6-a gasket; 7-a horizontal straight line module; 8-a slide seat; 9-a vertical electric cylinder; 10-assembling a disc; 11-through holes; 12-a counterweight table; 13, a module to be detected; 14-connecting rods; 15-waist-shaped holes; 16-nut slider; 17-screw rod.

Detailed Description

The following describes the present utility model in further detail with reference to specific examples:

in order to achieve the object of the present utility model, a detecting apparatus for testing a ball-screw clearance includes: a frame 1, which comprises an upper platform 3 and a lower platform 2; a counterweight table 12 placed on the upper platform 3, the upper surface of the counterweight table 12 being fixed by a module 13 to be detected; a gasket 6, wherein the upper platform 3 is welded with an embedded plate 5, and the gasket 6 is arranged between the embedded plate 5 and the lower surface of the counterweight table 12; the action mechanism comprises a horizontal linear module 7 fixed on the lower platform 2, and a vertical electric cylinder 9 is fixed on a slide seat of the horizontal linear module 7; the module to be detected 13 comprises a screw rod 17 and a screw slider 16 which are matched with each other, and the screw slider 16 is assembled with the top of the vertical electric cylinder 9 through a horizontal connecting rod 14.

The principle is that the computer end controls the automatic moving equipment to move to the position where the ball screw pair is placed. The thrust device may be controlled to apply a force from one direction to the detection jig, either up or down. The diameter of the steel ball is selected by detecting the numerical value on the equipment. And the rapid detection and the rapid replacement are realized. Saving labor cost and time cost.

The integral frame is arranged on a horizontal ground base surface, and the integral frame can be adjusted horizontally. And marble is also installed on an adjustable level datum plane, ensuring that the ball screw pair remains level. And the gravity center sagging of the ball screw pair is reduced. And the influence factors caused by external ground vibration.

The marble used for placing the ball screw pair is a high-precision marble. When the marble is used, the surface of the marble is required to be wiped by alcohol and dust-free cloth.

The high-precision thrust equipment can be controlled and the equipment can be automatically moved. The two types of equipment are both automatically controlled, and the detection positions and the heights of the two directions can be controlled at will. The rapid inspection and the accurate detection are realized.

The device can detect the gap between the steel ball in the ball screw pair and the ball screw in a short time, thereby replacing the corresponding steel balls, namely the steel balls with different diameters.

The device can carry out the next operation only by placing the detection object on marble. Automated detection is performed using a touch screen.

The device reduces external influence factors. The accuracy of the test is enhanced. Compared with manual rotation of the screw nut by hand to test the gap between the ball screw pairs, the accuracy is improved, and the time for replacing the balls for multiple times is reduced.

In other embodiments of the present utility model, the frame 1 is formed by welding square tubes, the counterweight table 12 is made of marble, and the gasket 6 is made of rubber.

In other embodiments of the present utility model, the upper platform 3 is higher than the lower platform 2, the upper platform 3 and the lower platform 2 are parallel to each other in their respective length directions, the lower platform 2 is further welded with a cover plate 4, and the horizontal linear module 7 is fixed with the cover plate 4.

In other embodiments of the utility model, the weight of the counterweight table 12 is not less than the weight of the frame 1.

In other embodiments of the utility model, the top of the vertical cylinder 9 is provided with a mounting plate 10, and as shown in fig. 2, the mounting plate 10 is provided with a plurality of through holes 11 in an annular array.

In other embodiments of the present utility model, the connecting rod 14 is provided with a vertically penetrating waist-shaped hole 15, and as shown in fig. 3, the length direction of the waist-shaped hole 15 is parallel to the length direction of the connecting rod 14 itself, and the through hole 11 and the waist-shaped hole 15 are assembled by bolts.

In other embodiments of the utility model, at least two bolts each passing through two through holes 11 are fitted in the waist-shaped holes 15.

In other embodiments of the utility model, the length of the horizontal linear module 7 is greater than the length of the module to be tested 13.

In other embodiments of the present utility model, when the tray 10 is not secured to the connecting rod 14, the lowest limit of the tray 10 is below the height of the nut slider 16 and the highest limit of the tray 10 is above the height of the nut slider 16.

Fig. 5 compares fig. 1, in which the mounting plate 10 of fig. 5 is mounted in connection with the connecting rod 14.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. A test apparatus for testing ball and screw clearance comprising:

the rack comprises an upper platform and a lower platform;

the counterweight table is placed on the upper platform, and the upper surface of the counterweight table is used for fixing a module to be detected;

the gasket is welded on the upper platform, and a gasket is arranged between the embedded plate and the lower surface of the counterweight table;

the action mechanism comprises a horizontal linear module fixed on the lower platform, and a vertical electric cylinder is fixed on the horizontal linear module sliding seat;

the module to be detected comprises a screw rod and a screw slider which are matched with each other, and the screw slider is assembled with the top of the vertical electric cylinder through a horizontal connecting rod.

2. The test apparatus for testing ball and screw play of claim 1, wherein: the frame comprises square tube welding, the counter weight platform is marble material, the gasket is rubber material.

3. The test apparatus for testing ball and screw play of claim 1, wherein: the height of the upper platform is higher than that of the lower platform, the length directions of the upper platform and the lower platform are parallel to each other, a cover plate is welded on the lower platform, and the horizontal linear module is fixed with the cover plate.

4. The test apparatus for testing ball and screw play of claim 1, wherein: the weight of the counterweight table is not less than the weight of the frame.

5. The test apparatus for testing ball and screw play of claim 1, wherein: the top of vertical jar possesses the assembly dish, annular array has a plurality of through-hole on the assembly dish.

6. The test apparatus for testing ball-to-screw clearance of claim 5, wherein: the connecting rod is provided with a vertically-through waist-shaped hole, the length direction of the waist-shaped hole is parallel to the length direction of the connecting rod, and the through hole is assembled with the waist-shaped hole through a bolt.

7. The test apparatus for testing ball and screw play of claim 6, wherein: at least two bolts penetrating out of the through holes are assembled in the waist-shaped holes.

8. The test apparatus for testing ball and screw play of claim 1, wherein: the length of the horizontal linear module is greater than that of the module to be detected.

9. The test apparatus for testing ball-to-screw clearance of claim 5, wherein: when the assembly disk is not fixed with the connecting rod, the lowest limit position of the assembly disk is lower than the height of the screw slider, and the highest limit position of the assembly disk is higher than the height of the screw slider.