CN213181399U

CN213181399U - Ball screw raceway surface damage detection device

Info

Publication number: CN213181399U
Application number: CN202022290461.0U
Authority: CN
Inventors: 孟雷; 李政霖
Original assignee: Suzhou Enzhuoer Precision Machinery Co ltd
Current assignee: Suzhou Enzhuoer Precision Machinery Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-05-11
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a ball screw raceway surface damage detection device, concretely relates to ball screw technical field, comprises a workbench, the bottom of workstation is close to four corner position departments and all is provided with the support column, and the top of workstation is provided with the protecting crust, the movable block is installed to the top inboard of protecting crust, be connected with the lead screw in the horizontal direction along the inside of movable block, the outer wall connection that the one end of lead screw is located the protecting crust has servo motor, operating switch is installed to the below that the outer wall of protecting crust is close to servo motor, telescopic cylinder is installed to the bottom of movable block, ultrasonic detection probe is installed to telescopic cylinder's tailpiece of the piston rod portion. The utility model discloses when using, be convenient for carry out the quick adjustment installation to the lead screw of different length, and can carry out the automatically regulated centre gripping to the lead screw of different external diameters, easy operation to can clear up lead screw surface attached dust or the dust around the lead screw, avoid the dust to influence the detection effect.

Description

Ball screw raceway surface damage detection device

Technical Field

The utility model relates to a ball technical field, more specifically say, the utility model relates to a ball screw raceway surface damage detection device.

Background

Ball is the ideal product that turns into rotary motion with rotary motion, or turns into rotary motion with linear motion, ball is the transmission element that uses most on instrument machinery and precision machine, its primary function is to change rotary motion into linear motion, or convert the moment of torsion into axial repetitive force, have high accuracy concurrently simultaneously, reversibility and efficient characteristics, owing to have very little frictional resistance, ball is by wide application in various industrial equipment and precision instrument, ball raceway surface can take place the damage in the ball use, great influence performance of using, consequently, need design a ball raceway surface damage detection device.

Through the retrieval, chinese utility model patent that publication number is CN211402253U discloses a ball screw raceway surface damage detection device, including placing platform and a pair of support column, it is a pair of both ends about placing the bench side, a pair of support column fixed mounting is respectively one and a pair of the support column top is equipped with the fixed case, the inside removal detection structure that is equipped with of fixed case, place bench manual revolution mechanic, this technique can carry out manual rotation with the lead screw through manual revolution mechanic, also can fix to remove through removal detection and detect ball screw, measure surface damage, device simple structure, the operation of being convenient for, detection efficiency is high, great improvement detection's efficiency.

Synthesize above-mentioned patent, current ball screw raceway surface damage detection device is not convenient for carry out the automatically regulated centre gripping according to the lead screw of different length and different external diameters when using, and in the testing process, the dust of lead screw surface adhesion or the dust around the lead screw easily cause the influence to the testing effect.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a ball screw raceway surface damage detection device, when using, be convenient for carry out the quick adjustment installation to the lead screw of different length, and can carry out the automatically regulated centre gripping to the lead screw of different external diameters, easy operation to can clear up lead screw surface adhered to dust or the dust around the lead screw, avoid the dust to influence the detection effect, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a ball screw raceway surface damage detection device comprises a workbench, wherein support columns are arranged at positions, close to four corner positions, of the bottom of the workbench, a protective shell is arranged at the top of the workbench, a movable block is installed on the inner side of the top of the protective shell, a screw rod is connected inside the movable block in the horizontal direction, one end of the screw rod is located on the outer wall of the protective shell and connected with a servo motor, an operating switch is installed below the outer wall of the protective shell, close to the servo motor, a telescopic cylinder is installed at the bottom of the movable block, an ultrasonic detection probe is installed at the end part of a piston rod of the telescopic cylinder, a limiting seat is fixedly connected at a position, close to one side below the operating switch, of the top end of the workbench, a screw rod is inserted into the limiting seat, a fixing sleeve is connected to the outer side, located on the limiting seat, of one end of, the other end of the lead screw is connected with a coupler, the end part of the coupler is connected with a movable seat, the edge of the top end of the workbench is fixedly connected with a fixed seat at the outer side of the movable seat, a screw rod is connected with the inside of the fixed seat along the horizontal direction in a threaded manner, a ball head is arranged at the position, close to the outer wall of the movable seat, of one end of the screw rod, a plurality of fans are equidistantly installed at the position, close to the rear side of the lead screw, of the rear wall of the protective shell, a bearing is arranged inside the movable seat, a T-shaped fixture block is arranged at the bottom of the bearing, a rotating shaft is arranged at the position, corresponding to the inner side of the bearing, of the end part of;

the spacing seat is of a rectangular frame structure, four inner side walls of the spacing seat are located on a spacing frame of the outer side of the screw rod, a movable plate is movably connected to the inner side of the spacing frame, a spring is connected between one end portion of the movable plate and the inner wall of the spacing seat, a fixing frame is fixedly connected to the other end portion of the movable plate, and rollers are installed at the position, close to the outer side of the screw rod, of the inner side of the end portion of the fixing frame.

In a preferred embodiment, a bearing seat is installed on the inner wall of the protective shell corresponding to the end position of the screw rod, and an internal thread hole of a corresponding structure is arranged inside the movable block corresponding to the outside of the screw rod.

In a preferred embodiment, a limiting rod is inserted into the movable block along the horizontal direction, and two ends of the limiting rod are fixedly connected to the inner wall of the protective shell.

In a preferred embodiment, a clamping hole is formed in the fixing sleeve, the diameter of the vertical section of the clamping hole is larger than the outer diameter of the vertical section of the screw rod, a fastening bolt is connected to the outer wall of the fixing sleeve, and the end of the fastening bolt tightly abuts against the outer wall of the screw rod.

In a preferred embodiment, the bottom of the limiting seat is fixedly connected with the top end of the workbench through a bolt, metal sheets are arranged at two ends of the spring, and the metal sheets are welded or fixedly connected with the outer wall of the movable plate and the inner wall of the limiting seat through screws.

In a preferred embodiment, a T-shaped sliding groove is arranged on the top of the workbench along the horizontal direction corresponding to the outer part of the T-shaped fixture block.

In a preferred embodiment, the bottom of the fixed seat is fixedly connected with the top end of the workbench through a bolt, and an internal threaded hole is formed in the fixed seat corresponding to the outer part of the screw rod.

The utility model discloses a technological effect and advantage:

1. the utility model discloses when using, place the lead screw on the workstation, when placing, pass the inboard of spacing seat with one end of lead screw first, and insert and establish to the inside of fixed sleeve, then fix lead screw and fixed sleeve with fastening bolt, the other end of lead screw inserts the inside of shaft coupling at first, and then adjust the position of sliding seat on the workstation through rotating the screw rod, be convenient for adjust according to the lead screw of different length, chucking rubber block behind the draw-in groove in the shaft coupling is inserted to one end of lead screw, then the installation of lead screw can be accomplished on the bearing on the sliding seat is inserted to the axis of rotation on the shaft coupling, be convenient for adjust the installation fast to the lead screw of different length;

2. through the inside at spacing seat sets up the retractable gyro wheel, be convenient for carry out the centre gripping according to the lead screw of different external diameters, and then can carry out effective centre gripping to the lead screw of different length and external diameter in the use, after the centre gripping, the user drives the lead screw through rotating the rocker and rotates, and start servo motor and treat the lead screw rotation, and then make the movable block drive the surface that the ultrasonic detection probe detected the lead screw, the lead screw rotates the in-process, start the fan, can clear up the adnexed dust in lead screw surface or the dust around the lead screw, avoid the dust to influence the detection effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the middle limiting seat of the present invention.

Fig. 3 is a cross-sectional view of the middle coupling of the present invention.

Fig. 4 is a schematic structural view of the middle movable seat of the present invention.

The reference signs are: 1. a work table; 2. a support pillar; 3. a protective shell; 4. a movable block; 5. a lead screw; 6. a servo motor; 7. a limiting rod; 8. an operating switch; 9. a bearing seat; 10. a telescopic cylinder; 11. an ultrasonic detection probe; 12. a limiting seat; 13. a screw rod; 14. fixing the sleeve; 15. a rocker; 16. a coupling; 17. a movable seat; 18. a fixed seat; 19. a screw; 20. a ball head; 21. a fan; 121. a limiting frame; 122. a movable plate; 123. a spring; 124. a fixed mount; 125. a roller; 161. a rotating shaft; 162. a card slot; 163. a rubber block; 171. a bearing; 172. t-shaped fixture blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The device for detecting the surface damage of the ball screw raceway as shown in the attached figures 1-4 comprises a workbench 1, wherein supporting columns 2 are arranged at the bottom of the workbench 1 close to four corner positions, a protective shell 3 is arranged at the top of the workbench 1, a movable block 4 is arranged at the inner side of the top of the protective shell 3, a screw 5 is connected inside the movable block 4 along the horizontal direction, one end of the screw 5 is connected with a servo motor 6 at the outer wall of the protective shell 3, an operating switch 8 is arranged below the outer wall of the protective shell 3 close to the servo motor 6, a telescopic cylinder 10 is arranged at the bottom of the movable block 4, an ultrasonic detection probe 11 is arranged at the end part of a piston rod of the telescopic cylinder 10, a limiting seat 12 is fixedly connected at the position of one lower side of the top of the workbench 1 close to the operating switch 8, a screw 13 is inserted into the limiting seat 12, and a fixed sleeve 14 is connected at one end of the, the end part of the fixed sleeve 14 is provided with a rocker 15, the other end of the screw rod 13 is connected with a coupler 16, the end part of the coupler 16 is connected with a movable seat 17, the edge of the top end of the workbench 1 is positioned at the outer side of the movable seat 17 and is fixedly connected with a fixed seat 18, the inside of the fixed seat 18 is in threaded connection with a screw rod 19 along the horizontal direction, one end of the screw rod 19 is provided with a ball head 20 at the position close to the outer wall of the movable seat 17, the rear wall of the protective shell 3 is provided with a plurality of fans 21 at the position close to the rear side of the screw rod 13 at equal intervals, the inside of the movable seat 17 is provided with a bearing 171, the bottom of the bearing 171 is provided with a T-shaped fixture block 172, the end part of the coupler 16 is provided with a rotating shaft 161;

the limiting seat 12 is of a rectangular frame structure, four inner side walls of the limiting seat 12 are located on a limiting frame 121 which is fixedly connected to the outer side of the screw 13, a movable plate 122 is movably connected to the inner side of the limiting frame 121, a spring 123 is connected between one end of the movable plate 122 and the inner wall of the limiting seat 12, a fixing frame 124 is fixedly connected to the other end of the movable plate 122, and a roller 125 is installed at the position, close to the outer side of the screw 13, of the inner side of the end of the fixing frame.

As shown in the attached drawing 1, a bearing seat 9 is installed at the end position of the inner wall of the protective shell 3 corresponding to the screw rod 5, and an internal thread hole of a corresponding structure is arranged in the movable block 4 corresponding to the outside of the screw rod 5, so that the screw rod 5 can stably rotate.

As shown in the attached drawing 1, the limiting rod 7 is inserted into the movable block 4 along the horizontal direction, the two ends of the limiting rod 7 are fixedly connected to the inner wall of the protective shell 3, the limiting rod 7 is convenient to connect, and then the movable block 4 is convenient to limit, so that the movable block 4 can stably move in the horizontal direction.

As shown in fig. 1, a clamping hole is formed in the fixing sleeve 14, the diameter of the vertical section of the clamping hole is larger than the outer diameter of the vertical section of the screw rod 13, a fastening bolt is connected to the outer wall of the fixing sleeve 14, and the end of the fastening bolt tightly abuts against the outer wall of the screw rod 13, so that the end of the screw rod 13 and the fixing sleeve 14 can be conveniently fixed.

As shown in fig. 1-2, the bottom of the limiting seat 12 is fixedly connected to the top of the working platform 1 through bolts, metal sheets are disposed at both ends of the spring 123, and the metal sheets are welded or fixedly connected to the outer wall of the movable plate 122 and the inner wall of the limiting seat 12 through screws, so as to facilitate connection and fixation of the limiting seat 12 and installation of the spring 123.

As shown in fig. 1 and fig. 4, a T-shaped sliding groove is formed in the top of the workbench 1 along the horizontal direction corresponding to the outside of the T-shaped fixture block 172, so that the T-shaped fixture block 172 can slide stably on the top of the workbench 1, and the movable seat 17 can move stably above the workbench 1.

As shown in fig. 1, the bottom of the fixing seat 18 is fixedly connected with the top end of the workbench 1 through a bolt, and an internal thread hole is formed in the fixing seat 18 corresponding to the outside of the screw rod 19, so that the fixing seat 18 is convenient to connect and fix, and the screw rod 19 is convenient to install.

The utility model discloses the theory of operation: when the utility model is used, the screw 13 is placed on the workbench 1, when placing, one end of the screw 13 firstly passes through the inner side of the limit seat 12 and is inserted into the fixed sleeve 14, then the screw 13 and the fixed sleeve 14 are fixed by the fastening bolt, the other end of the screw 13 is firstly inserted into the coupler 16, and then the position of the movable seat 17 on the workbench 1 is adjusted by rotating the screw 19, so as to be adjusted according to the screw 13 with different lengths, one end of the screw 13 is inserted into the clamping groove 162 in the coupler 16 and then is clamped with the rubber block 163, then the rotating shaft 161 on the coupler 16 is inserted into the bearing 171 on the movable seat 17 to complete the installation of the screw 13, wherein the rubber block 163 arranged inside the clamping groove 162 is matched with the telescopic roller 125 arranged inside the limit seat 12, so as to be convenient for clamping according to the screw 13 with different outer diameters, and further can effectively clamp the screw 13 with different lengths and outer diameters in the use process, after the centre gripping, the user drives lead screw 13 through rotating rocker 15 and rotates to start servo motor 6 and wait that lead screw 5 rotates, and then make movable block 4 drive ultrasonic detection probe 11 and detect the surface of lead screw 13, lead screw 13 rotates the in-process, starts fan 21, can clear up lead screw 13 surface adnexed dust or the dust around the lead screw 13, avoids the dust to influence the detection effect.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a ball screw raceway surface damage detection device, includes workstation (1), its characterized in that: the bottom of the workbench (1) is provided with support columns (2) close to four corner positions, the top of the workbench (1) is provided with a protective shell (3), a movable block (4) is installed on the inner side of the top of the protective shell (3), a lead screw (5) is connected to the inside of the movable block (4) along the horizontal direction, one end of the lead screw (5) is connected to the outer wall of the protective shell (3) through a servo motor (6), an operating switch (8) is installed on the outer wall of the protective shell (3) close to the lower part of the servo motor (6), a telescopic cylinder (10) is installed at the bottom of the movable block (4), an ultrasonic detection probe (11) is installed at the end part of a piston rod of the telescopic cylinder (10), and a limiting seat (12) is fixedly connected to the position of one side of the top end of the workbench (1) close to the lower part where, the inner part of the limiting seat (12) is inserted with a lead screw (13), one end of the lead screw (13) is positioned at the outer side of the limiting seat (12) and is connected with a fixed sleeve (14), the end part of the fixed sleeve (14) is provided with a rocker (15), the other end of the lead screw (13) is connected with a coupler (16), the end part of the coupler (16) is connected with a movable seat (17), the edge of the top end of the workbench (1) is positioned at the outer side of the movable seat (17) and is fixedly connected with a fixed seat (18), the inner part of the fixed seat (18) is connected with a screw rod (19) along the horizontal direction by screw threads, a ball head (20) is arranged at the position of the outer wall of one end of the screw rod (19) close to the movable seat (17), a plurality of fans (21) are arranged at the position of the rear side of the protective shell (3) close to, a T-shaped fixture block (172) is arranged at the bottom of the bearing (171), a rotating shaft (161) is arranged at the end part of the coupler (16) corresponding to the inner side of the bearing (171), a clamping groove (162) is arranged in the coupler (16) corresponding to the outer side position of the end part of the screw rod (13), and a rubber block (163) is arranged in the clamping groove (162);

spacing seat (12) are the rectangular frame structure, and four inside walls of spacing seat (12) are located the equal fixedly connected with spacing (121) in the outside of lead screw (13), the inboard swing joint of spacing (121) has fly leaf (122), be connected with spring (123) between the tip of fly leaf (122) and the inner wall of spacing seat (12), and another tip fixedly connected with mount (124) of fly leaf (122), the outside position department that the tip inboard of mount (124) is close to lead screw (13) installs gyro wheel (125).

2. The ball screw raceway surface damage detection device according to claim 1, characterized in that: the end position department that the inner wall of protecting crust (3) corresponds lead screw (5) installs bearing frame (9), the inside of movable block (4) corresponds the outside of lead screw (5) and is provided with the internal thread hole that corresponds the structure.

3. The ball screw raceway surface damage detection device according to claim 1, characterized in that: the inner part of the movable block (4) is inserted with a limiting rod (7) along the horizontal direction, and two ends of the limiting rod (7) are fixedly connected to the inner wall of the protective shell (3).

4. The ball screw raceway surface damage detection device according to claim 1, characterized in that: the inside of fixed sleeve (14) is provided with the card hole, and the perpendicular cross-section aperture in card hole is greater than the perpendicular cross-section external diameter of lead screw (13), the outer wall of fixed sleeve (14) is connected with fastening bolt, and fastening bolt's tip closely contradicts at the outer wall of lead screw (13).

5. The ball screw raceway surface damage detection device according to claim 1, characterized in that: the bottom of the limiting seat (12) is fixedly connected with the top end of the workbench (1) through bolts, metal sheets are arranged at two ends of the spring (123), and the metal sheets are welded with the outer wall of the movable plate (122) and the inner wall of the limiting seat (12) or fixedly connected through screws.

6. The ball screw raceway surface damage detection device according to claim 1, characterized in that: the top of the workbench (1) is provided with a T-shaped sliding groove corresponding to the outer part of the T-shaped fixture block (172) along the horizontal direction.

7. The ball screw raceway surface damage detection device according to claim 1, characterized in that: the bottom of the fixed seat (18) is fixedly connected with the top end of the workbench (1) through a bolt, and an internal thread hole is formed in the inner portion of the fixed seat (18) corresponding to the outer portion of the screw rod (19).