CN212321074U - Automatic detection machine for protrusion amount of angular contact ball bearing - Google Patents

Abstract

The utility model provides an angular contact ball bearing protrusion automated inspection machine relates to measuring device technical field, has solved the unable many-sided technical problem such as simultaneous measurement bearing inner race, inner circle and central department of protrusion automated inspection machine that exists in the current production. The device comprises a measuring assembly, a guide assembly, a supporting assembly, a base and a driving mechanism. The guide assembly is connected with the base through a support, the support assembly penetrates through a workbench on the base, the measuring assembly is connected with the guide assembly and moves towards the direction close to or far away from the support assembly under the driving of the guide assembly, and the measured bearing is placed at the top end of the support assembly; the first sensor is used for measuring the planeness and the height of the outer ring of the measured bearing, the second sensor is used for measuring the planeness and the height of the inner ring of the measured bearing, and the third sensor is used for measuring the play and the pre-tightening amount of the measured bearing. The utility model is used for production line automated inspection or laboratory and standard contrast carry out the quality and judge.

Description

Automatic detection machine for protrusion amount of angular contact ball bearing

Technical Field

The utility model belongs to the technical field of measuring device's technique and specifically relates to a protruding volume automated inspection machine of angular contact ball bearing is related to.

Background

Angular ball bearings are one type of rolling bearing. The spindle bearing is mainly used for high-speed precision operation equipment, such as an electric spindle bearing for high-speed rotation of a grinding head of a grinding machine, and a spindle bearing for a machining center and a high-speed engraving machine. During the use process, the bearing needs to be applied with certain preload to meet the requirements of motion stability and service life. The universal pairing is an angular contact ball bearing that does not require complex adjustment to achieve the desired preload. The non-base surfaces of the inner ring and the outer ring need to be polished at equal heights, the dimensional tolerance of a final grinding plane is strictly controlled, the widths of the inner ring and the outer ring are equal in height, and the protruding amount of the two surfaces of a single-set bearing is within a set range. When in use, the combination mode can be freely exchanged, thereby being extremely convenient. Whether the bearing pairing is successful or not is characterized in that whether the protruding amounts of the two paired bearings are matched or not under the action of rated axial load, and the two paired bearings can obtain the same pretightening force and normally work under the action of the pretightening force only if the protruding amounts of the two paired bearings are matched with the proper bearings.

The existing automatic protrusion amount detection machine is only provided with one sensor, when the sensor is used for measuring the angular contact ball bearing, the bearing outer ring, the bearing inner ring and the bearing center are required to be measured respectively, the sensor cannot measure three places simultaneously, measurement is required in a grading mode, the measurement precision is poor, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an angular contact ball bearing protrusion automated inspection machine to solve the unable many-sided technical problem such as simultaneous measurement bearing inner race, inner circle and central department of protrusion automated inspection machine that exists among the prior art. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of angular contact ball bearing protrusion automatic checkout machine, including measuring subassembly, direction subassembly, supporting component, base and actuating mechanism, wherein, the direction subassembly with the base is connected through the support and the direction subassembly is located the top of base, the supporting component passes the workstation on the base and the supporting component is connected with the workstation, the measuring subassembly is located directly over the supporting component, the measuring subassembly with the direction subassembly is connected and the measuring component is moved to the direction that is close to or keeps away from the supporting component under the drive of direction subassembly, the bearing that is surveyed is placed on the top of supporting component, actuating mechanism fixes on the base, actuating mechanism passes through the wedge area drive the supporting component rotates;

the measuring component can measure the outer ring, the inner ring and the center of the measured bearing at the same time, the measuring component comprises a first sensor, a second sensor, a third sensor and a connecting piece, the connecting piece is connected with the guide component, the first sensor, the second sensor and the third sensor are all installed on the connecting piece and can be adjusted in position on the connecting piece, the first sensor is used for measuring the planeness and the height of the outer ring of the measured bearing, the second sensor is used for measuring the planeness and the height of the inner ring of the measured bearing, and the third sensor is used for measuring the clearance and the pre-tightening amount of the measured bearing.

Optionally, the connecting piece includes L type support, pressure cover and measuring head mounting panel, L type support one end with the side of direction subassembly is connected, the L type support other end with the top of pressing the cover is connected, the bottom of pressing the cover with the measuring head mounting panel is connected, first sensor, second sensor and third sensor are all installed just homoenergetic are in adjusting position on the measuring head mounting panel.

The measuring component further comprises a pressing block, the pressing block is installed on the measuring head mounting plate and can be adjusted in position on the measuring head mounting plate, and the pressing block is used for pressing the outer ring of the measured bearing.

Optionally, the number of the pressing blocks is multiple, and all the pressing blocks are uniformly distributed along the circumferential direction of the measuring head mounting plate and can correspond to the outer ring of the measured bearing.

Optionally, the supporting component includes bearing rack, axle sleeve and main shaft, the axle sleeve with workstation precision fit just the tip of axle sleeve with workstation bolted connection, the main shaft passes in the axle sleeve just the main shaft with the axle sleeve passes through angular contact ball bearing and rotates and be connected, actuating mechanism passes through the wedge area drive the main shaft rotates, the top of main shaft is passed bearing rack and with the bearing rack is connected, it installs to be surveyed the bearing just to pass through on the bearing rack the main shaft drives the inner circle of being surveyed the bearing is rotatory.

Optionally, the bearing placing frame comprises a supporting inner ring plate, a supporting mandrel and an inner ring supporting block, the supporting inner ring plate is connected with the supporting mandrel through bolts, the top end of the main shaft penetrates through the supporting inner ring plate and the supporting mandrel in sequence, the inner ring supporting block is installed on the supporting inner ring plate and can be adjusted in position on the supporting inner ring plate, the number of the inner ring supporting blocks is multiple, all the inner ring supporting blocks are evenly distributed in the circumferential direction of the supporting inner ring plate, the supporting mandrel extends into an inner ring of the tested bearing, the supporting mandrel is matched with the inner ring of the tested bearing, and the inner ring supporting block is used for positioning and supporting the inner ring of the tested bearing in the axial direction.

Optionally, a number of the spring mechanisms is eight, all the spring mechanisms are uniformly distributed along the circumferential direction of the angular contact ball bearing, one end of each spring mechanism is in contact with the angular contact ball bearing, and the other end of each spring mechanism is in contact with the shaft sleeve.

Optionally, the guide assembly includes a fixed frame, a moving frame, a cylinder, a rolling mechanism and a locking screw, the fixed frame is connected with the moving frame through the rolling mechanism, the cylinder is located between the fixed frame and the moving frame, a housing of the cylinder is connected with the fixed frame, a piston rod on the cylinder is connected with the moving frame, the cylinder can drive the moving frame to move, the moving frame is connected with the measuring assembly, and the fixed frame is connected with the base through the support;

the rolling mechanism comprises a movable guide rail, a static guide rail and a rolling body, the movable guide rail is connected with the movable frame, the static guide rail is connected with the fixed frame and can move relatively, the locking screw can push the static guide rail to move towards the direction close to the movable guide rail, and the movable guide rail and the static guide rail move in a matched mode through the rolling body.

Optionally, V-shaped grooves are formed in the opposite sides of the movable guide rail and the static guide rail, the V-shaped grooves in the movable guide rail and the V-shaped grooves in the static guide rail are butted, rolling bodies are located in the V-shaped grooves butted with each other, and the two form a square structure;

the rolling bodies are positioned in the V-shaped grooves which are butted with each other, and the two adjacent rolling bodies are in a cross structure.

Optionally, two ends of the fixing frame are respectively provided with a protruding portion, the protruding portion is provided with a first accommodating groove, and the static guide rail is placed in the first accommodating groove and connected with the protruding portion;

the movable rack is characterized in that an extending part is arranged on the end part of the movable rack, a second accommodating groove is formed in the extending part, the movable guide rail is placed in the second accommodating groove and connected with the extending part, a limiting plate is arranged on the end face of the movable rack, and the protruding part is located between the limiting plate and the extending part.

Optionally, the system further comprises a data processing module, a PLC control module and a distribution box.

The utility model provides a pair of angular contact ball bearing protrusion automated inspection machine, measuring component removes to the direction that is close to supporting component through the drive at the direction subassembly, the measured bearing on sensor on the measuring component contacts with the supporting component, three sensor can simultaneous measurement be surveyed the outer lane of bearing, the protrusion of inner circle and center department, make measured data more accurate, high measuring efficiency, and actuating mechanism can drive the inner circle of being surveyed the bearing rotatory through the supporting component, and then can measure and be surveyed the bearing when rotatory, the change of plane degree in each position, can't simultaneous measurement bearing outer lane with the protrusion automated inspection machine who solves existence among the prior art, many-sided technical problem such as inner circle and center department.

The content of the preferred technical scheme of the utility model can be described by the following 6 points:

1. the sliding sleeve type structure of two vertical columns or four vertical columns adopted by the traditional automatic detection machine is designed into a cross rolling guide rail, so that the sliding friction is changed into rolling friction, the friction coefficient is small, and the motion sensitivity is good. The most important advantages are that after the gap appears on the rolling surface, the abrasion gap can be eliminated by the locking screw, and a certain preload is applied to the rolling guide rail, so that the movement is stable, and the measurement precision is stable and reliable.

2. Three-point contact type active measurement; the universal assembly can be carried out by an automatic assembly line; but also can be used for the quantitative digital judgment of laboratory static measurement through a computer.

3. The supporting component adopts an integral sleeve type structure, is adjusted outside the machine and is convenient to install.

4. And the PLC is adopted for control, and the computers are networked. The batch measurement data is processed by a computer, the result is printed, data support is provided for the next procedure, and the measurement effect is monitored at any time.

5. The measuring assembly is driven by a servo motor, so that the three sensors can accurately measure the protrusion amount of the measured bearing and the integral flatness of the surface of the workpiece at any position, provide data support, and monitor and digitally display the measuring effect at any time.

6. The measured bearing is arranged on the supporting mandrel, the inner ring of the measured bearing is positioned by six inner ring supporting blocks which are uniformly distributed on the supporting inner ring plate and have the same height after being ground elaborately, and the outer ring of the measured bearing is suspended; six compact heap on the measuring head mounting panel exert certain packing force to the bearing outer lane that is surveyed, make three sensor accurate measure inside and outside lane displacement volume and protrusion.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an automatic detection machine for angular contact ball bearing protrusion provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a measuring assembly of an automatic detecting machine for angular contact ball bearing protrusion provided by the embodiment of the present invention;

fig. 3 is a schematic structural diagram illustrating a connection between a supporting assembly and a driving mechanism of an automatic detecting machine for angular contact ball bearing protrusion provided by an embodiment of the present invention;

fig. 4 is a transverse cross-sectional view of a guide assembly of an automatic detection machine for angular contact ball bearing protrusion provided by the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a guiding assembly of an automatic detecting machine for angular contact ball bearing protrusion provided by the embodiment of the present invention lacking a rolling mechanism;

fig. 6 is a schematic structural diagram of connection between a stationary guide rail and a locking screw in a guide assembly of an automatic detection machine for angular contact ball bearing protrusion provided by the embodiment of the present invention;

fig. 7 is a schematic structural diagram of connection of a measuring assembly, a guiding assembly and a bracket of the automatic detection machine for angular contact ball bearing protrusion provided by the embodiment of the present invention;

FIG. 1, measurement assembly; 11. a first sensor; 12. a second sensor; 13. a third sensor; 14. a connecting member; 141. an L-shaped bracket; 142. pressing the sleeve; 143. a measuring head mounting plate; 15. a compression block; 2. a guide assembly; 21. a fixed mount; 211. a protrusion; 2111. a first accommodating groove; 22. a movable frame; 221. an extension portion; 2211. a second accommodating groove; 222. a limiting plate; 23. a cylinder; 231. a piston rod; 232. a fixing plate; 24. a rolling mechanism; 241. a movable guide rail; 2411. a V-shaped groove; 242. a stationary guide rail; 25. locking the screw; 3. a support assembly; 31. a bearing placing rack; 311. a support inner ring plate; 312. a support mandrel; 313. an inner ring supporting block; 32. a shaft sleeve; 33. a main shaft; 34. angular contact ball bearings; 35. a spring mechanism; 4. a base; 41. a work table; 5. a drive mechanism; 6. a support; 7. a bearing to be measured; 8. a wedge-shaped band.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides an automatic detecting machine for the protrusion of an angular contact ball bearing, which is a vertical structure and comprises a measuring component 1, a guide component 2, a supporting component 3, a base 4 and a driving mechanism 5, wherein, the guide component 2 is connected with the base 4 through a bracket 6, the guide component 2 is positioned above the base 4, the supporting component 3 passes through a workbench 41 on the base 4, the supporting component 3 is connected with the workbench 41, the measuring component 1 is positioned right above the supporting component 3, the measuring component 1 is connected with the guide component 2, the measuring component 1 moves towards the direction close to or far away from the supporting component 3 under the driving of the guide component 2, the measuring component 1 and the bracket 6 are respectively positioned at two sides of the guide component 2, a measured bearing 7 is positioned on a bearing placing rack 31 of the supporting component 3, the driving mechanism 5 is fixed on the base 4, the driving mechanism 5 can be a servo motor, the driving mechanism 5 drives the supporting component 3 to rotate through the wedge-shaped belt 8;

the measuring component 1 can measure the outer ring, the inner ring and the center of the measured bearing 7 at the same time, the measuring component 1 comprises a first sensor 11, a second sensor 12, a third sensor 13 and a connecting piece 14, the connecting piece 14 is connected with the guiding component 2, the first sensor 11, the second sensor 12 and the third sensor 13 are all installed on the connecting piece 14 and can adjust positions on the connecting piece 14, the first sensor 11 is used for measuring the planeness and the height difference of the outer ring of the measured bearing 7, the second sensor 12 is used for measuring the planeness and the height difference of the inner ring of the measured bearing 7, and the third sensor 13 is used for measuring the play and the pre-tightening amount of the measured bearing 7. The utility model provides a pair of angular contact ball bearing protrusion automated inspection machine, measuring component 1 is through the direction removal that is close to supporting component 3 under the drive at direction subassembly 2, the measured bearing 7 of sensor on up to measuring component 1 and the supporting component contacts, three sensor can simultaneous measurement measured bearing 7's outer lane, the protrusion of inner circle and center department, make measured data more accurate, high measurement efficiency, and actuating mechanism 5 can drive the inner circle rotation by measured bearing 7 through supporting component 3, and then can measure measured bearing 7 when rotatory, the change of flatness in each position, can't the simultaneous measurement bearing outer lane with the protrusion automated inspection machine who solves existence among the prior art, many-sided technical problem such as inner circle and center department.

As an alternative embodiment, the connecting member 14 includes an L-shaped bracket 141, a pressing sleeve 142 and a measuring head mounting plate 143, one end of the L-shaped bracket 141 is connected to the side surface of the guide assembly 2, one end of the L-shaped bracket 141 is connected to the moving frame 22 by a bolt, the other end of the L-shaped bracket 141 is connected to the top end of the pressing sleeve 142, the bottom end of the pressing sleeve 142 and the measuring head mounting plate 143 may be connected by a bolt, and the first sensor 11, the second sensor 12 and the third sensor 13 are all mounted on the measuring head mounting plate 143 and can be uniformly adjusted in the circumferential direction and the radial direction on the measuring head mounting plate 143, so as to meet the testing requirements of different types of bearings within.

The measuring assembly 1 further comprises a pressing block 15, the pressing block 15 is installed on the measuring head mounting plate 143, the position of the pressing block 15 can be adjusted according to the diameter of the outer ring of the measured bearing 7, the pressing block 15 is used for pressing the outer ring of the measured bearing 7, the pressing block 15 can apply axial acting force to the measured bearing 7, the number of the pressing blocks 15 is multiple, the number of the pressing blocks 15 is preferably six, all the pressing blocks 15 are evenly distributed along the circumferential direction of the measuring head mounting plate 143 and can correspond to the outer ring of the measured bearing 7.

As an optional embodiment, the supporting assembly 3 is of an integral sleeve type structure, and is adjusted outside the machine, and is convenient to install, the supporting assembly 3 includes a bearing placing rack 31, a shaft sleeve 32 and a main shaft 33, the shaft sleeve 32 is precisely matched with the workbench 41, the end portion of the shaft sleeve 32 is connected with the workbench 41 through a bolt, four sets of P4-grade precise angular contact ball bearings installed in a back-to-back manner are arranged in the shaft sleeve 32 to ensure the rotation precision and the stability of the main shaft 33, the driving mechanism 5 drives the main shaft 33 to rotate through the wedge belt 8, the top end of the main shaft 33 penetrates through the bearing placing rack 31 and is connected with the bearing placing rack 31, and the bearing 7 to be measured is installed on the bearing placing rack 31 and drives the. The supporting mandrel 312 is matched with the inner diameter of the inner ring of the measured bearing 7 and drives the inner ring of the measured bearing 7 to rotate, so that the flatness change and the protrusion data of the measured bearing 7 at each position can be conveniently measured.

As an alternative embodiment, the bearing placing frame 31 includes a supporting inner ring plate 311, a supporting mandrel 312 and an inner ring supporting block 313, the supporting inner ring plate 311 is bolted to the supporting mandrel 312, the top end of the main shaft 33 sequentially passes through the supporting inner ring plate 311 and the supporting mandrel 312, the inner ring supporting blocks 313 are mounted on the supporting inner ring plate 311 and can be adjusted in position on the supporting inner ring plate 311, the position of the inner ring supporting blocks 313 can be adjusted and moved according to the diameter of the inner ring of the measured bearing 7, the number of the inner ring supporting blocks 313 is multiple, the number of the inner ring supporting blocks 313 is preferably six, all the inner ring supporting blocks 313 are uniformly distributed along the circumferential direction of the supporting inner ring plate 311, the supporting mandrel 312 and the inner ring supporting blocks 313 are located on the same side of the supporting inner ring plate 311, the supporting mandrel 312 extends into the inner ring of the measured bearing 7 and the supporting mandrel 312 is matched with the inner ring of the measured bearing 7, so that the, thus, the amount of protrusion at each position is accurately measured. The support mandrel 312 can be replaced according to the diameter of the inner ring of the measured bearing 7, and the inner ring support block 313 is used for positioning and supporting the inner ring of the measured bearing 7 in the axial direction.

As an alternative embodiment, the spring mechanisms 35 are installed between the main shaft 33 and the shaft sleeve 32, the number of the spring mechanisms 35 is eight, all the spring mechanisms 35 are uniformly distributed along the circumferential direction of the angular contact ball bearings 34, one end of each spring mechanism 35 is in contact with the angular contact ball bearing 34, the other end of each spring mechanism 35 is in contact with the shaft sleeve 32, the angular contact ball bearings 34 can be P4-grade precision angular contact ball bearings, the number of the angular contact ball bearings is four, two angular contact ball bearings are located at the upper section of the shaft sleeve 32, the other two angular contact ball bearings are located at the lower section of the shaft sleeve 32, the spring mechanisms 35 are located in the lower section of the shaft sleeve 32 and above the two angular contact ball bearings, and the spring mechanisms 35 can pressurize the angular contact ball bearings and apply preload to the angular contact ball bearings, so.

As an optional embodiment, the guiding assembly 2 includes a fixed frame 21, a moving frame 22, an air cylinder 23, a rolling mechanism 24 and a locking screw 25, the fixed frame 21 is connected with the moving frame 22 through the rolling mechanism 24, the air cylinder 23 is located between the fixed frame 21 and the moving frame 22, a housing of the air cylinder 23 is connected with the fixed frame 21, a piston rod 231 on the air cylinder 23 is connected with the moving frame 22, the piston rod 231 is connected with the moving frame 22 through a fixing plate 232, the air cylinder 23 can drive the moving frame 22 to move, the moving frame 22 is connected with the measuring assembly 1, the fixed frame 21 is connected with the base 4 through a bracket 6, the piston rod 231 in the air cylinder 23 moves up and down to drive the moving frame 22 to move up and down, so that the sensor on the measuring assembly;

the rolling mechanism 24 comprises a movable guide rail 241, a static guide rail 242 and rolling bodies, the movable guide rail 241 is connected with the movable frame 22, the static guide rail 242 is connected with the fixed frame 21 and can move relatively, the locking screw 25 can push the static guide rail 242 to move towards the direction close to the movable guide rail 241, gaps among the movable guide rail 241, the static guide rail 242 and the rolling bodies can be eliminated, certain preload is applied to kinematic pairs, the motion precision and the motion stability are improved, and the movable guide rail 241 and the static guide rail 242 move in a matched mode through the rolling bodies. The rolling mechanism 24 adopts a cross rolling installation mode, reduces the friction coefficient through rolling friction, improves the motion sensitivity and also improves the guiding precision; after the rolling element and the movable guide rail 241 and the static guide rail 242 generate a clearance due to friction, the static guide rail 242 moves towards the movable guide rail 241 by adjusting the locking screw 25, so that the clearance can be eliminated, and meanwhile, preload is generated on the rolling element, the static guide rail 242 and the movable guide rail 241, so that the motion precision and the motion stability requirements are improved, the compensation of the guiding precision is realized, and the convexity measuring instrument can be normally used.

As an alternative embodiment, V-shaped grooves 2411 are arranged on opposite sides of the movable guide rail 241 and the static guide rail 242, and the V-shaped grooves 2411 on the movable guide rail 241 and the V-shaped grooves 2411 on the static guide rail 242 are butted and form a square structure;

the rolling bodies are positioned in the V-shaped groove 2411 butted with the two rolling bodies, the two adjacent rolling bodies are in a cross structure, and the rolling bodies are distributed along the length direction of the static guide rail 242.

As an alternative embodiment, two ends of the fixed frame 21 are respectively provided with a protruding portion 211, the protruding portion 211 is provided with a first receiving groove 2111, the static rail 242 is placed in the first receiving groove 2111 and connected with the protruding portion 211, a screw passes through the static rail 242 and is connected with the protruding portion 211, the static rail 242 can move relative to the protruding portion 211 and the screw, the diameter of the screw passing through a hole on the static rail 242 is larger, the locking screw 25 passes through the protruding portion 211 and is connected with the static rail 242, when it is necessary to move the static rail 242, the screw is firstly separated from the static rail 242, then the static rail 242 is pushed by the locking screw 25, so that the static rail 242 is located at the designated position, then the screw passes through the static rail 242 and is connected with the fixed frame 21, and the locking screws 25 are distributed along the length direction of the static rail;

the end of the moving frame 22 is provided with an extension 221, the extension 221 is provided with a second receiving groove 2211, the moving rail 241 is placed in the second receiving groove 2211 and connected with the extension 221, the end surface of the moving frame 22 is provided with a limit plate 222, and the protrusion 211 is located between the limit plate 222 and the extension 221.

As an optional implementation mode, the intelligent power distribution system further comprises a data processing module, a PLC control module and a power distribution box. The PLC control module can control the first sensor 11, the second sensor 12 and the third sensor 13 to measure and transmit measured data to the data processing module, and the data processing module can match the measured data, so that the assembly production requirements can be rapidly and accurately carried out. The data processing module can be a computer, and the measured data can be arranged and printed out through the computer, so that data support is provided for the next procedure, and the measuring effect is monitored at any time.

The utility model is used for measure angular contact ball bearing's protrusion, make interior, outer lane width height, reach single set of bearing two sides protrusion and be in setting for the within range to but its preload of short-term determination also can be used to automatic production line automated inspection, be used for the laboratory to carry out the quality judgment with the standard part contrast.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. An automatic detection machine for the protrusion of an angular contact ball bearing is characterized by comprising a measuring component (1), a guide component (2), a supporting component (3), a base (4) and a driving mechanism (5), wherein,

the guide component (2) is connected with the base (4) through a bracket (6) and the guide component (2) is positioned above the base (4), the supporting component (3) passes through a workbench (41) on the base (4) and the supporting component (3) is connected with the workbench (41), the measuring component (1) is positioned right above the supporting component (3), the measuring component (1) is connected with the guide component (2), the measuring component (1) moves towards the direction close to or away from the supporting component (3) under the driving of the guide component (2), the bearing (7) to be measured is placed at the top end of the supporting component (3), the driving mechanism (5) is fixed on the base (4), and the driving mechanism (5) drives the supporting component (3) to rotate through a wedge-shaped belt (8);

the measuring component (1) can simultaneously measure the outer ring, the inner ring and the center of the bearing (7) to be measured, the measuring assembly (1) comprises a first sensor (11), a second sensor (12), a third sensor (13) and a connecting piece (14), the connecting piece (14) is connected with the guide assembly (2), the first sensor (11), the second sensor (12) and the third sensor (13) are all arranged on the connecting piece (14) and can adjust positions on the connecting piece (14), the first sensor (11) is used for measuring the flatness and the height of the outer ring of the measured bearing (7), the second sensor (12) is used for measuring the flatness and the height of the inner ring of the bearing (7) to be measured, the third sensor (13) is used for measuring the play and the pre-tightening amount of the bearing (7) to be measured.

2. The automatic detection machine for the protrusion of the angular contact ball bearing according to claim 1, wherein the connecting piece (14) comprises an L-shaped bracket (141), a pressing sleeve (142) and a measuring head mounting plate (143), one end of the L-shaped bracket (141) is connected with the side surface of the guide assembly (2), the other end of the L-shaped bracket (141) is connected with the top end of the pressing sleeve (142), the bottom end of the pressing sleeve (142) is connected with the measuring head mounting plate (143), and the first sensor (11), the second sensor (12) and the third sensor (13) are all mounted on the measuring head mounting plate (143) and can be adjusted in position on the measuring head mounting plate (143);

the measuring component (1) further comprises a compression block (15), the compression block (15) is installed on the measuring head mounting plate (143), the compression block (15) can be adjusted in position on the measuring head mounting plate (143), and the compression block (15) is used for compressing the outer ring of the measured bearing (7).

3. The angular contact ball bearing protrusion automatic detection machine according to claim 2, wherein the number of the pressing blocks (15) is multiple, and all the pressing blocks (15) are uniformly distributed along the circumferential direction of the measuring head mounting plate (143) and can correspond to the outer ring of the measured bearing (7).

4. The angular contact ball bearing protrusion amount automatic detector according to claim 1, the supporting component (3) comprises a bearing placing frame (31), a shaft sleeve (32) and a main shaft (33), the shaft sleeve (32) is precisely matched with the workbench (41), the end part of the shaft sleeve (32) is connected with the workbench (41) through a bolt, the main shaft (33) penetrates through the shaft sleeve (32), the main shaft (33) is rotationally connected with the shaft sleeve (32) through an angular contact ball bearing (34), the driving mechanism (5) drives the main shaft (33) to rotate through a wedge-shaped belt (8), the top end of the main shaft (33) passes through the bearing placing frame (31) and is connected with the bearing placing frame (31), the measured bearing (7) is arranged on the bearing placing frame (31) and drives the inner ring of the measured bearing (7) to rotate through the main shaft (33).

5. The automatic detection machine for the protrusion of the angular contact ball bearing according to claim 4, wherein the bearing placing frame (31) comprises a support inner ring plate (311), a support mandrel (312) and inner ring support blocks (313), the support inner ring plate (311) is bolted to the support mandrel (312), the top end of the main shaft (33) sequentially penetrates through the support inner ring plate (311) and the support mandrel (312), the inner ring support blocks (313) are installed on the support inner ring plate (311) and can be adjusted in position on the support inner ring plate (311), the number of the inner ring support blocks (313) is multiple, all the inner ring support blocks (313) are uniformly distributed along the circumferential direction of the support inner ring plate (311), the support mandrel (312) extends into the inner ring of the bearing (7) to be detected, and the support mandrel (312) is matched with the inner ring of the bearing (7) to be detected, the inner ring supporting block (313) is used for axially positioning and supporting the inner ring of the measured bearing (7).

6. The automatic angular contact ball bearing protrusion detection machine according to claim 4, wherein spring mechanisms (35) are installed between the main shaft (33) and the shaft sleeve (32), the number of the spring mechanisms (35) is eight, all the spring mechanisms (35) are uniformly distributed along the circumferential direction of the angular contact ball bearing (34), one end of each spring mechanism (35) is in contact with the angular contact ball bearing (34), and the other end of each spring mechanism (35) is in contact with the shaft sleeve (32).

7. The angular contact ball bearing protrusion amount automatic detector according to claim 1, the guide component (2) comprises a fixed frame (21), a moving frame (22), an air cylinder (23), a rolling mechanism (24) and a locking screw (25), the fixed frame (21) is connected with the movable frame (22) through the rolling mechanism (24), the cylinder (23) is positioned between the fixed frame (21) and the moving frame (22), the shell of the air cylinder (23) is connected with the fixed frame (21), a piston rod (231) on the air cylinder (23) is connected with the movable frame (22), the cylinder (23) can drive the moving frame (22) to move, the moving frame (22) is connected with the measuring component (1), the fixed frame (21) is connected with the base (4) through the bracket (6);

the rolling mechanism (24) comprises a movable guide rail (241), a static guide rail (242) and rolling bodies, the movable guide rail (241) is connected with the movable frame (22), the static guide rail (242) is connected with the fixed frame (21) and can move relatively, the locking screw (25) can push the static guide rail (242) to move close to the movable guide rail (241), and the movable guide rail (241) and the static guide rail (242) move in a matching mode through the rolling bodies.

8. The automatic detection machine for the protrusion of the angular contact ball bearing according to claim 7, wherein a V-shaped groove (2411) is formed in one side of the movable guide rail (241) opposite to one side of the static guide rail (242), the V-shaped groove (2411) in the movable guide rail (241) is butted with the V-shaped groove (2411) in the static guide rail (242), a rolling body is located in the V-shaped groove (2411) butted with the moving guide rail, and the rolling body and the static guide rail form a square structure;

the rolling bodies are positioned in the V-shaped grooves (2411) which are butted with each other, and two adjacent rolling bodies are in a cross structure.

9. The automatic angular contact ball bearing protrusion detector according to claim 7, wherein two ends of the fixing frame (21) are respectively provided with a protrusion (211), the protrusion (211) is provided with a first receiving groove (2111), and the static guide rail (242) is placed in the first receiving groove (2111) and connected with the protrusion (211);

be provided with extension (221) on the tip of removing frame (22), be provided with second holding tank (2211) on extension (221), it places to move guide rail (241) in second holding tank (2211) and with extension (221) are connected, be provided with limiting plate (222) on the terminal surface of removing frame (22), protruding portion (211) are located limiting plate (222) with between extension (221).

10. The automatic detection machine for the protrusion of the angular contact ball bearing according to claim 1, further comprising a data processing module, a PLC control module and a distribution box.

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