CN220128484U

CN220128484U - Grinding machine for bearing production

Info

Publication number: CN220128484U
Application number: CN202321494595.1U
Authority: CN
Inventors: 余美贤; 冯新宽; 彭鸿飞; 孟庆翼
Original assignee: Jiuyan Bearing Technology Anhui Co ltd
Current assignee: Jiuyan Bearing Technology Anhui Co ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-12-05
Anticipated expiration: 2033-06-13

Abstract

The utility model discloses a grinding machine for bearing production, which belongs to the field of bearing grinding machines and comprises a box body, wherein a protective ring is arranged on the upper surface of the box body, a clamping rotary table is arranged on the upper surface of the box body through a bearing, a frame is arranged above the box body, the frame spans over the protective ring, a hydraulic cylinder is vertically arranged on the upper surface of the frame, an installation rod is downwards arranged at the output end of the hydraulic cylinder, the installation rod penetrates through the frame, the installation rod and the center of the clamping rotary table are positioned on the same vertical line, a cone barrel is arranged at the bottom of the installation rod, an installation disc is arranged at the bottom of the cone barrel, sliding rods are symmetrically arranged in the installation disc in a sliding mode, penetrate through the outer arc surface of the installation disc, feeding in the grinding work is realized by utilizing the storage force of an internal spring, a threshold value can be set according to the grinding size, the grinding head is not fed any more after the grinding is in place, the automatic stop effect after the grinding is in place is realized, and the structure is simple, and the operation is easy.

Description

Grinding machine for bearing production

Technical Field

The utility model relates to the field of bearing grinding machines, in particular to a grinding machine for bearing production.

Background

The bearing is a common part in industrial production, can provide support for a power shaft or a transmission shaft, mainly comprises an inner ring, an outer ring and rolling bodies, wherein the rolling bodies are arranged between the inner ring and the outer ring, and can be divided into a ball bearing, a roller bearing and the like due to the difference of the rolling bodies, but no matter what kind of bearing is, corresponding grooves are formed in the inner ring and the outer ring in order to ensure the stability of the installation of the roller bodies, the corresponding grooves are formed in the outer surface of the inner ring and the inner surface of the outer ring respectively by the conventional ball bearing so as to limit balls, the requirements on the size and the roughness of the inner surface of the friction groove are high, a corresponding grinding machine is required to be used, the groove on the inner surface of the outer ring is difficult to process due to the arc-shaped cross section of the groove, the size is very large to hold, and the rejection rate is high in the process of leading out.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems existing in the prior art, the utility model aims to provide a grinding machine for bearing production, which can realize the grinding of grooves on the inner surface of a bearing outer ring and ensure automatic stop after grinding in place.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a grinding machine for bearing production, includes the box, the box upper surface is provided with the guard ring, the centre gripping carousel is installed through the bearing to the box upper surface, the box top is provided with the frame, the frame spans in the guard ring top, the pneumatic cylinder is installed perpendicularly to frame upper surface, the installation pole is installed downwards to the pneumatic cylinder output, the installation pole runs through the frame, the installation pole is in coaxial one with centre of a circle of centre gripping carousel on the vertical line, the installation pole bottom is provided with the cone, cone bottom is provided with the mounting disc, the inside symmetry slidable mounting of mounting disc has the slide bar, the slide bar runs through the outer arc surface of mounting disc, the grinding head is installed to the detachable grinding head of slide bar tip, the grinding head is arranged in the mounting disc outside.

Further, the installation pole internally sliding mounting has the control rod, the control rod bottom is provided with the connector, the conical cylinder is inside arranged in to the connector, the connecting rod is installed through round pin axle symmetry on the connector surface, and a plurality of the conical cylinder is inside all arranged in to the connecting rod, the one end that the connecting rod deviates from the connector is installed at slide bar tip through the round pin axle.

Further, the surface of the control rod is sleeved with a spring, the bottom of the spring is contacted with the upper surface of the connector, and the top of the spring is contacted with the upper surface of the inner part of the cone.

Furthermore, open grooves are symmetrically formed in the surface of the mounting rod, the two open grooves are communicated with the inside of the mounting rod, cross rods are symmetrically arranged at the top of the control rod, and the two cross rods respectively penetrate through the open grooves.

Furthermore, an adjusting sleeve is sleeved on the surface of the mounting rod, the adjusting sleeve is arranged below the cross rod, and the adjusting sleeve is fixed through a bolt.

Further, the clamping turntable is arranged on the inner side of the protective ring, a motor is arranged above the inside of the box body, and the output shaft end of the motor is fixedly connected with the clamping turntable in a coaxial manner.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that: the utility model provides a grinding machine for bearing production, which is capable of realizing feeding in grinding work by utilizing the power of an internal spring, setting a threshold value according to grinding size, and realizing automatic stopping effect after the grinding head is in place when the grinding head is not fed any more after the grinding is in place, and has a simple structure and is easy to operate.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic longitudinal cross-sectional elevation view of the present utility model;

FIG. 3 is an enlarged schematic view of the area A of FIG. 1 according to the present utility model;

fig. 4 is an enlarged view of the area B of fig. 2 according to the present utility model.

The reference numerals in the figures illustrate: 1. a case; 2. a protective ring; 3. clamping a turntable; 4. a motor; 5. a frame; 6. a hydraulic cylinder; 7. a mounting rod; 8. a cone; 9. a mounting plate; 10. a slide bar; 11. grinding head; 12. an open groove; 13. a control lever; 14. a cross bar; 15. a connector; 16. a connecting rod; 17. a spring; 18. and (5) adjusting the sleeve.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Example 1:

referring to fig. 1, a grinding machine for bearing production includes a box 1, a protecting ring 2 is provided on the upper surface of the box 1, a clamping turntable 3 is installed on the upper surface of the box 1 through a bearing, during operation, a bearing outer ring is placed on the clamping turntable 3 to realize clamping and fixing, but automatic centering, a large-size three-grip chuck can be adopted, the clamping turntable 3 is placed on the inner side of the protecting ring 2 to protect the same during processing, a motor 4 is provided above the inner side of the box 1, an output shaft end of the motor 4 is fixedly connected with the clamping turntable 3 coaxially, rotation of the bearing outer ring is realized, a frame 5 is provided above the box 1, the frame 5 spans over the protecting ring 2, a hydraulic cylinder 6 is vertically installed on the upper surface of the frame 5, a mounting rod 7 is installed downwards at the output end of the hydraulic cylinder 6, the mounting rod 7 penetrates through the frame 5, and the center of the mounting rod 7 and the clamping turntable 3 are positioned on the same vertical line, so that the mounting disc 9 at the bottom can be placed inside the bearing ring and concentric with the bearing ring when falling.

Referring to fig. 2 and 4, a conical cylinder 8 is arranged at the bottom of the mounting rod 7, so that a movable space is formed inside, a mounting disc 9 is arranged at the bottom of the conical cylinder 8, slide bars 10 are symmetrically and slidably arranged inside the mounting disc 9, at least four slide bars 10 are arranged, the slide bars 10 penetrate through the outer arc surface of the mounting disc 9, grinding heads 11 are detachably arranged at the ends of the slide bars 10, grinding heads 11 with different shapes are replaced according to different processing requirements, the grinding heads 11 are arranged at the outer side of the mounting disc 9, and when the mounting disc 9 is arranged inside a bearing ring, the slide bars 10 are controlled to move outwards so that the ends of the grinding heads 11 are contacted with the inner surface of the bearing ring.

Wherein, installation pole 7 inside slidable mounting has control rod 13, control rod 13 bottom is provided with connector 15, the conical cylinder 8 is inside is arranged in to connector 15, connecting rod 16 is installed through the round pin axle symmetry to the connector 15 surface, in order to realize the control to a plurality of slide bars 10 simultaneously, conical cylinder 8 is all arranged in to a plurality of connecting rods 16, the one end that connecting rod 16 deviate from connector 15 is installed at slide bar 10 tip through the round pin axle, control rod 13 surface cover is equipped with spring 17, spring 17 bottom contacts with connector 15 upper surface, and spring 17 top contacts with conical cylinder 8 inside top surface, feed during the processing is realized to the elasticity that utilizes spring 17, make grinding head 11 have outside thrust all the time when the race takes place to rotate.

Referring to fig. 1 and 3, the surface of the mounting rod 7 is symmetrically provided with open grooves 12, two open grooves 12 are all communicated with the inside of the mounting rod 7, the top of the control rod 13 is symmetrically provided with cross rods 14, the cross rods 14 and the control rod 13 are fixedly arranged, and the two cross rods 14 respectively penetrate through the open grooves 12 to prevent the control rod 13 from rotating, so that the cross rods 14 can be conveniently moved upwards to control the control rod 13 during mounting.

Wherein, the surface of the installation rod 7 is sleeved with an adjusting sleeve 18, the installation rod 7 is provided with corresponding scales in the area of the open groove 12 so as to control the actual height of the adjusting sleeve 18, control the maximum overhanging size of the grinding head 11, the adjusting sleeve 18 is arranged below the cross rod 14, and the adjusting sleeve 18 is fixed by bolts.

When in use: firstly, the bearing steel ring is arranged in the protective ring 2, the bearing steel ring is clamped and centered through the clamping turntable 3, the workpiece and the clamping turntable 3 are ensured to be concentric and fixed, the position of the adjusting sleeve 18 is adjusted according to the grinding size, then the bearing steel ring is fixed through a bolt, the grinding to the required size is ensured when the cross rod 14 is limited by the adjusting sleeve 18, then the cross rod 14 is lifted, the hydraulic cylinder 6 is controlled to enable the mounting disc 9 to be wholly lowered, the mounting disc is arranged in the bearing steel ring, the lifting force on the cross rod 14 is released, the connector 15 is subjected to downward force due to the action of the spring 17, at the moment, the connecting rod 16 pushes the slide rod 10 to move outwards, the surface of the grinding head 11 is in contact with a groove of the bearing outer ring, the grinding head is always provided with outward thrust through the spring 17, the motor 4 is started to drive the bearing outer ring to rotate, the cross rod 14 is not supported by the adjusting sleeve 18 to move downwards when the grinding reaches the size requirement, and the effect of grinding size is achieved.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The utility model provides a grinding machine for bearing production, includes box (1), its characterized in that: the utility model discloses a grinding head, including box (1), clamping turntable (3), frame (5), pneumatic cylinder (6) output, installation pole (7) run through frame (5), installation pole (7) are in coaxial one with clamping turntable (3) centre of a circle on the upper surface, clamping turntable (3) are installed through the bearing to box (1) upper surface, box (1) top is provided with frame (5), frame (5) span in protection circle (2) top, pneumatic cylinder (6) are installed perpendicularly to frame (5) upper surface, install pole (7) run through frame (5), installation pole (7) are in coaxial one with clamping turntable (3) centre of a circle on the line, installation pole (7) bottom is provided with awl section of thick bamboo (8), awl section of thick bamboo (8) bottom is provided with mounting disc (9), inside symmetry slidable mounting of mounting disc (9) has slide bar (10), slide bar (10) run through mounting disc (9) excircle, grinding head (11) are installed to slide bar (10) tip detachable, the grinding head (11) is arranged in the mounting disc (9) outside.

2. A grinding mill for bearing production according to claim 1, characterized in that: the utility model discloses a control rod, including installation pole (7), taper section of thick bamboo (10), connecting rod (16) are installed through round pin axle symmetry on the surface of connecting head (15), installation pole (7) inside slidable mounting has control rod (13), control rod (13) bottom is provided with connector (15), inside taper section of thick bamboo (8) are arranged in through the round pin axle symmetry on connector (15) surface, a plurality of taper section of thick bamboo (8) are all arranged in to connecting rod (16), the one end that connecting rod (16) deviate from connector (15) is installed at slide bar (10) tip through the round pin axle.

3. A grinding mill for bearing production according to claim 2, characterized in that: the surface of the control rod (13) is sleeved with a spring (17), the bottom of the spring (17) is contacted with the upper surface of the connector (15), and the top of the spring (17) is contacted with the upper surface inside the cone (8).

4. A grinding mill for bearing production according to claim 3, characterized in that: open grooves (12) are symmetrically formed in the surface of the mounting rod (7), two open grooves (12) are communicated with the inside of the mounting rod (7), cross rods (14) are symmetrically arranged at the top of the control rod (13), and the two cross rods (14) respectively penetrate through the open grooves (12).

5. The grinder for bearing production according to claim 4, wherein: an adjusting sleeve (18) is sleeved on the surface of the mounting rod (7), the adjusting sleeve (18) is arranged below the cross rod (14), and the adjusting sleeve (18) is fixed through a bolt.

6. A grinding mill for bearing production according to claim 1, characterized in that: the clamping rotary table (3) is arranged on the inner side of the protective ring (2), a motor (4) is arranged above the inside of the box body (1), and the output shaft end of the motor (4) is fixedly connected with the clamping rotary table (3) in a coaxial mode.