Rotary lifting type multi-section bearing outer diameter measuring device

Abstract

The utility model belongs to the technical field of detection, and particularly relates to a rotary lifting type multi-section bearing outer diameter measuring device which comprises a base, a lifting mechanism, a material returning mechanism and a measuring mechanism are arranged on the base, and the output end of the lifting mechanism is connected with a rotary motor. The output end of the rotating motor is elastically provided with a clamping rod used for being pressed into the bearing and being in interference fit with a bearing sealing ring so as to clamp the bearing, the material returning mechanism comprises a linear reciprocating driving mechanism and a material returning rod connected with the output end of the linear reciprocating driving mechanism, and the material returning rod is used for stretching into the bearing to push the clamping rod to retreat from the bearing so as to achieve material returning; the measuring mechanism comprises two laser measuring instruments which are symmetrically arranged; according to the utility model, after the bearing is clamped by the clamping rod in interference fit with the bearing sealing ring, the bearing is driven by the rotating motor to rotate and is driven by the lifting mechanism to lift, and meanwhile, the laser measuring instrument measures the outer diameters of sections at different heights, so that the multi-section outer diameter measurement of the bearing is realized, and the measurement efficiency and the measurement precision are improved.

Description

Technical Field

[0001] The utility model belongs to the field of detection technology, and in particular relates to a rotary lifting type multi-section bearing outer diameter measuring device. Background Art

[0002] Bearings are an important component in modern mechanical equipment, which supports mechanical rotating bodies by cooperating with shafts and holes, reducing the friction coefficient during movement and ensuring the rotation accuracy. Therefore, the outer diameter that matches the hole is an important technical parameter and a must-check item during inspection. When inspecting the outer diameter, it is usually done by manually measuring the outer diameters at different heights and at different angles of the same height section, and then manually calculating. Manual operation has large errors, high costs and low efficiency. Utility Model Content

[0003] The technical problem to be solved by the utility model is: in order to solve the problem that in the prior art, the outer diameter of the bearing is usually detected by manual measurement of the outer diameters at different heights and at different angles of the same height section, and then manual calculation is performed, and the manual operation has large errors, high costs and low efficiency. A rotary lifting type multi-section bearing outer diameter measuring device is now provided.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions: a rotary lifting type multi-section bearing outer diameter measuring device, comprising a base, on which a lifting mechanism, a material return mechanism and a measuring mechanism are provided;

[0005] The output end of the lifting mechanism is connected to a rotating motor, and the output end of the rotating motor is elastically provided with a clamping rod for pressing into the inside of the bearing and interfering with the bearing seal ring to clamp the bearing. The clamping rod pressed into the inside of the bearing forms an assembly with the bearing. The rotating motor can drive the assembly to rotate, and the lifting mechanism can drive the assembly to rise and fall.

[0006] The material-removing mechanism comprises a linear reciprocating drive mechanism and a material-removing rod connected to the output end thereof, wherein the material-removing rod is used to extend into the interior of the bearing to push the clamping rod out of the bearing to realize material removal;

[0007] The measuring mechanism comprises two symmetrically arranged laser measuring instruments, and the bearing is located between the two.

[0008] During measurement, the lifting mechanism drives the clamping rod to press down, and the clamping rod penetrates into the bearing to clamp the bearing through the interference fit between it and the bearing sealing ring. The two form a combination, and the bearing is driven to rotate by a rotating motor. The measurement is performed within the horizontal linear range of the laser measuring instrument. During the measurement process, the entire cross-sectional data of the bearing is selected. In addition, the bearing can be raised and lowered by the lifting mechanism, and the outer diameters of the sections at different heights are measured by the laser measuring instrument. After the measurement is completed, the material removal rod is pushed up by the linear reciprocating drive mechanism, and the clamping rod is pushed out of the bearing to realize material removal.

[0009] The above technical solution clamps the bearing through a clamping rod that is interference fit with the bearing sealing ring, and then the rotating motor drives it to rotate, and the lifting mechanism drives it to rise and fall. At the same time, the laser measuring instrument measures the cross-sectional outer diameters at different heights, thereby realizing multi-sectional outer diameter measurement of the bearing, improving measurement efficiency and accuracy.

[0010] Furthermore, the material return mechanism also includes a material return seat fixed on the base. During measurement, the bearing is placed on the material return seat for the clamping rod to press down to clamp the bearing. A sliding groove for sliding the material return rod is provided at the center of the material return seat. Under the action of the linear reciprocating drive mechanism, the material return rod slides up and down along the sliding groove to extend or retract into the material return seat.

[0011] Furthermore, a clamp seat is fixed at the output end of the rotating motor, a through hole is opened inside the clamp seat for the clamp rod to pass through, and a spring is arranged inside the through hole, one end of the spring is fixed to the clamp rod, and the other end is fixed to the through hole; during measurement, the lifting mechanism drives the clamp rod to press it downward to press it into the bearing until the bottom of the clamp seat presses the end face of the bearing, and when withdrawing the material, the withdrawing rod extends into the bearing to apply thrust to the clamp rod, and the bearing remains stationary under the action of the clamp seat, the clamp rod moves upward, and the spring is compressed until the clamp rod withdraws from the bearing to complete the material withdrawal.

[0012] Furthermore, the clamping rod is a T-shaped rod, and the through hole is a T-shaped hole that cooperates with the T-shaped rod, and the cross-sectional area of ​​the bottom of the clamping rod is reduced to form a clamping head for pressing into the bearing, and the first step surface formed by the T-shaped rod abuts against the second step surface formed by the T-shaped hole to limit the axial position of the clamping rod.

[0013] Furthermore, the lifting mechanism includes a lifting motor, a lead screw connected to the output end of the lifting motor, and a nut threadedly connected to the lead screw, and a connecting block is provided between the nut and the rotating motor.

[0014] Furthermore, a slide rail is provided on the base, and a slider matched with the slide rail is provided on the rotary motor. The slider is slidably connected to the slide rail to guide the lifting and lowering of the rotary motor.

[0015] Furthermore, the chuck and the ejector rod are both provided with chamfers, which facilitates both to extend into the bearing.

[0016] The beneficial effect of the utility model is that after the bearing is clamped by a clamping rod that is interference-fitted with the bearing sealing ring, the bearing is driven to rotate by a rotating motor, and the lifting mechanism drives it to rise and fall. At the same time, a laser measuring instrument measures the outer diameters of sections at different heights, thereby realizing multi-section outer diameter measurement of the bearing, improving measurement efficiency and improving measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 It is the front view of the utility model;

[0019] Figure 2 yes Figure 1 A partial enlarged view of part A;

[0020] Figure 3 It is a top view of the utility model;

[0021] In the figure:

[0022] 1. Base; 2. Lifting mechanism; 201. Lifting motor; 202. Lead screw; 203. Nut; 3. Material withdrawal mechanism; 301. Linear reciprocating drive mechanism; 302. Material withdrawal rod; 303. Material withdrawal seat; 3031. Slide; 4. Laser measuring instrument; 5. Rotating motor; 6. Clamping rod; 601. Chuck; 7. Clamping seat; 701. Perforation; 8. Spring; 9. Slide rail; 10. Slider; 11. Bearing; 1101. Sealing ring; 12. Connecting block. DETAILED DESCRIPTION

[0023] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0024] Embodiment 1:

[0025] like Figure 1-Figure 3 As shown, the utility model is a rotary lifting type multi-section bearing outer diameter measuring device, comprising a base 1, on which a lifting mechanism 2, a material withdrawal mechanism 3 and a measuring mechanism are provided;

[0026] The lifting mechanism 2 includes a lifting motor 201, a lead screw 202 connected to the output end of the lifting motor 201, and a nut 203 threadedly connected to the lead screw 202. The nut 203 is connected to the rotating motor 5 through a connecting block 12. The output end of the rotating motor 5 is elastically provided with a clamping rod 6 for pressing into the interior of the bearing 11 and interference fitting with the internal sealing ring 1101 of the bearing 11 to clamp the bearing 11. The clamping rod 6 pressed into the interior of the bearing 11 forms an assembly with the bearing 11. The rotating motor 5 can drive the assembly to rotate, and the lifting mechanism 2 can drive the assembly to rise and fall. A slide rail 9 is provided on the base 1, and a slider 10 cooperating with the slide rail 9 is provided on the rotating motor 5. The slider 10 is slidably connected to the slide rail 9 to guide the lifting and lowering of the rotating motor 5.

[0027] A clamp seat 7 is fixed to the output end of the rotating motor 5, and a through hole 701 is opened inside the clamp seat 7 for the clamp rod 6 to pass through, and a spring 8 is arranged inside the through hole 701, one end of the spring 8 is fixed to the clamp rod 6, and the other end is fixed to the opening of the through hole 701; the clamp rod 6 is a T-shaped rod, and the through hole 701 is a T-shaped hole matched with the T-shaped rod, the first step surface formed by the T-shaped rod and the second step surface formed by the T-shaped hole abut against each other to limit the axial position of the clamp rod 6, and the cross-sectional area of ​​the bottom of the clamp rod 6 is reduced to form a chuck 601 for pressing into the bearing 11, and the chuck 601 is chamfered to facilitate insertion into the bearing 11; during measurement, the lifting mechanism 2 drives the clamp rod 6 to press it downward to press it into the inside of the bearing 11 until the bottom of the clamp seat 7 presses the end face of the bearing 11 to complete the clamping, and the deformation of the spring 8 is very small during the pressing process.

[0028] The material-removing mechanism 3 comprises a material-removing seat 303 fixed on the base 1, a linear reciprocating drive mechanism 301 and a material-removing rod 302 connected to the output end of the linear reciprocating drive mechanism 301. The linear reciprocating drive mechanism 301 can be a cylinder. A slide groove 3031 for sliding the material-removing rod 302 is provided at the center of the material-removing seat 303. Under the action of the linear reciprocating drive mechanism 301, the material-removing rod 302 slides up and down along the slide groove 3031 to extend out or retract into the material-removing seat 303. The material-removing rod 302 is used to extend into the shaft. The material-removing rod 302 is provided with a chamfer to facilitate its insertion into the bearing 11; when measuring, the bearing 11 is placed on the material-removing seat 303 for the clamping rod 6 to press down to clamp the bearing 11. When removing the material, the material-removing rod 302 is extended into the bearing 11 under the action of the linear reciprocating drive mechanism 301 to apply a thrust to the clamping rod 6. The bearing 11 remains stationary under the action of the clamping seat 7, the clamping rod 6 moves up, and the spring 8 is compressed until the clamping rod 6 withdraws from the bearing 11 to complete the material removal.

[0029] The measuring mechanism includes two symmetrically arranged laser measuring instruments 4, and the bearing 11 is located between the two.

[0030] Working principle:

[0031] During measurement, the lifting mechanism 2 drives the clamping rod 6 to press down, and the clamping head 601 of the clamping rod 6 penetrates into the bearing 11 to clamp the bearing 11 through the interference fit between the clamping head 601 and the internal sealing ring 1101 of the bearing 11. The two form a combination, and the rotating motor 5 drives the bearing 11 to rotate, and the measurement is performed within the horizontal straight line range of the laser measuring instrument 4. During the measurement process, the entire cross-sectional data of the bearing 11 is selected. In addition, the bearing 11 can be raised and lowered by the lifting mechanism 2, and the outer diameters of the sections at different heights are measured by the laser measuring instrument 4. After the measurement is completed, the material removal rod 302 is pushed up by the action of the cylinder, and the clamping rod 6 is pushed out of the bearing 11 to realize material removal. After the material is removed, the rotating motor 5 moves up, and the clamping rod 6 is reset under the action of the spring 8.

[0032] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A rotary lifting type multi-section bearing outer diameter measuring device, characterized in that: It comprises a base (1), on which a lifting mechanism (2), a material returning mechanism (3) and a measuring mechanism are provided; The output end of the lifting mechanism (2) is connected to a rotating motor (5), and the output end of the rotating motor (5) is elastically provided with a clamping rod (6) for pressing into the interior of the bearing (11) and interference-fitting with the internal sealing ring (1101) of the bearing (11) to clamp the bearing (11); The material-removing mechanism (3) comprises a linear reciprocating drive mechanism (301) and a material-removing rod (302) connected to the output end thereof, wherein the material-removing rod (302) is used to extend into the interior of the bearing (11) to push the clamping rod (6) out of the bearing (11) to realize material removal; The measuring mechanism comprises two symmetrically arranged laser measuring instruments (4), with the bearing (11) located between the two.

2. The rotary lifting type multi-section bearing outer diameter measuring device according to claim 1 is characterized in that: The material-returning mechanism (3) further comprises a material-returning seat (303) fixed on the base (1), and a sliding groove (3031) for the material-returning rod (302) to slide is provided at the center of the material-returning seat (303).

3. The rotary lifting type multi-section bearing outer diameter measuring device according to claim 1 is characterized in that: A clamp seat (7) is fixed to the output end of the rotating motor (5), a through hole (701) is provided inside the clamp seat (7) for the clamp rod (6) to pass through, and a spring (8) is provided inside the through hole (701), one end of the spring (8) is fixed to the clamp rod (6), and the other end is fixed to the opening of the through hole (701).

4. The rotary lifting type multi-section bearing outer diameter measuring device according to claim 3 is characterized in that: The clamping rod (6) is a T-shaped rod, and the through hole (701) is a T-shaped hole that matches the T-shaped rod. The cross-sectional area of ​​the bottom of the clamping rod (6) is reduced to form a clamping head (601) for extending into the interior of the bearing (11).

5. The rotary lifting type multi-section bearing outer diameter measuring device according to claim 1 is characterized in that: The lifting mechanism (2) comprises a lifting motor (201), a lead screw (202) connected to the output end of the lifting motor (201), and a nut (203) threadedly connected to the lead screw (202).

6. The rotary lifting type multi-section bearing outer diameter measuring device according to claim 1 is characterized in that: The base (1) is provided with a slide rail (9), and the rotary motor (5) is provided with a slider (10) that cooperates with the slide rail (9).

7. The rotary lifting type multi-section bearing outer diameter measuring device according to claim 4 is characterized in that: The chuck (601) and the ejector rod (302) are both provided with chamfers.

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