CN221290644U

CN221290644U - Floating oil seal tread grinding machine

Info

Publication number: CN221290644U
Application number: CN202420152645.6U
Authority: CN
Inventors: 张敏; 乐凯; 胡敏辉; 高胡; 谢朝阳
Original assignee: Hefei University of Technology; Anqing TP Goetze Piston Ring Co Ltd
Current assignee: Hefei University of Technology; Anqing TP Goetze Piston Ring Co Ltd
Filing date: 2024-01-22
Publication date: 2024-07-09
Anticipated expiration: 2034-01-22

Abstract

The utility model discloses a floating oil seal tread grinding machine, which relates to the technical field of floating oil seal tread grinding and comprises a grinding machine, a truss mechanism and a blanking mechanism, wherein a first motor is fixedly arranged in a central groove on the upper surface of the grinding machine, an output shaft of the first motor is fixedly connected with an electromagnetic chuck for rotating and feeding, a truss clamping jaw mechanism for clamping a floating oil seal is arranged above the electromagnetic chuck, a grinding wheel frame is arranged on one side of the electromagnetic chuck, a CBN grinding wheel is rotatably arranged in the grinding wheel frame, a distribution box is fixedly arranged on one side surface of the blanking mechanism, a blanking turntable is rotatably arranged on the other side surface of the blanking mechanism, and a blanking rod for blanking the floating oil seal is uniformly connected on the surface of the blanking turntable.

Description

Floating oil seal tread grinding machine

Technical Field

The utility model relates to the technical field of floating oil seal tread grinding, in particular to a floating oil seal tread grinding machine.

Background

The floating oil seal is a dynamic seal, has super-strong sealing performance under severe working environments such as multiple coal dust, sediment, water vapor and the like, is a compact mechanical seal, is mainly used for low-speed heavy-load occasions, has the advantages of wear resistance, automatic compensation after end face abrasion, reliable work, simple structure and the like, and is widely applied to coal mine machinery, such as a scraper conveyor head (tail) chain wheel assembly, a heading machine loading mechanism, a cantilever section, a continuous miner left cutting roller, a continuous miner right cutting roller, a speed reducer and the like.

The mechanical seal of the floating oil seal is generally composed of a floating ring made of iron alloy materials and a matched nitrile rubber O-shaped ring. The floating rings are used in pairs, one rotating with the rotating member and one relatively stationary. The sealing principle of the floating oil seal is that the two floating rings are deformed by the O-shaped sealing ring after being axially compressed, so that the pressure on the sealing end surface of the floating rings is generated, and the elastic energy stored by the O-shaped sealing ring is gradually released along with the uniform abrasion of the sealing end surface, so that the axial compensation effect is realized, and the sealing surface can be kept well attached within a set time. The premise of manufacturing the sealing end face is to manufacture a trapezoid surface with accurate angle and good roughness.

The existing tread grinding machine is a manual feeding and discharging grinding machine, workers need to take the previous ring off the sucker after finishing machining, and then the previous ring and the next ring need to be machined are replaced, so that the efficiency is low, and the labor intensity of the workers is high. And the existing equipment uses a common corundum grinding wheel, and the common corundum grinding wheel needs to be trimmed every time a product is processed, so that efficiency and cost are wasted.

Disclosure of utility model

The utility model aims to provide a floating oil seal tread grinder which solves the technical problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the floating oil seal tread grinding machine comprises a grinding machine, a truss mechanism and a blanking mechanism, wherein a first motor is fixedly arranged in a central groove on the upper surface of the grinding machine, an electromagnetic chuck for rotating and feeding is fixedly connected to an output shaft of the first motor, a truss clamping jaw mechanism for clamping a floating oil seal is arranged above the electromagnetic chuck, and a first forward-reverse motor and a first threaded rod for driving the truss clamping jaw mechanism to feed and discharge are fixedly arranged inside one side of the truss mechanism;

one side of the electromagnetic chuck is provided with a grinding wheel frame, and a CBN grinding wheel is rotatably arranged in the grinding wheel frame;

One side surface fixed mounting of unloading mechanism has the block terminal, unloading carousel is installed in the opposite side surface rotation of unloading mechanism, the surface of unloading carousel evenly is connected with the unloading pole that is used for floating oil blanket unloading cover to establish.

Optionally, the output fixed connection of first positive and negative motor is in one side of first threaded rod rotates the end, the external screw thread cover of first threaded rod is equipped with and moves the cover frame, the lower surface fixed mounting who moves the cover frame upward has first pneumatic cylinder, the output fixed connection of first pneumatic cylinder is in truss clamping jaw mechanism's upper surface, truss clamping jaw mechanism's bottom fixed mounting has the rotary cylinder, the output of rotary cylinder is connected with the blank clamping jaw that is used for pressing from both sides the material loading respectively to and be used for pressing from both sides the finished product clamping jaw of taking the unloading.

Optionally, a chute is formed in the upper surface of one side of the grinding machine, a second positive and negative motor is fixedly mounted on an inner groove wall of one side of the chute, a second threaded rod is fixedly connected to the output end of the second positive and negative motor, a downward sleeve moving frame is sleeved on the external thread of the second threaded rod, and the grinding carriage is fixedly mounted on the upper surface of the downward sleeve moving frame.

Optionally, a second motor is fixedly installed on one side surface of the grinding carriage, and an output end of the second motor penetrates through one side surface of the grinding carriage and is fixedly connected with a rotating end of the CBN grinding wheel inside the grinding carriage.

Optionally, the third motor is fixedly installed in the unloading mechanism, the output end of the third motor penetrates through one side surface of the unloading mechanism and is in a fixed connection relationship with the unloading carousel, a second hydraulic cylinder is fixedly installed on the upper surface of the unloading mechanism, a unloading pushing frame is fixedly connected with the output end of the second hydraulic cylinder, and the unloading pushing frame is inserted and arranged on the surface of the unloading rod.

Optionally, a positioning notch is evenly formed in the peripheral surface of the blanking turntable, a third hydraulic cylinder is fixedly mounted on the side surface of the blanking mechanism, a positioning block is fixedly connected to the output end of the third hydraulic cylinder, and the positioning block is inserted into the positioning notch.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, through mutual automatic matching of a grinding machine, a truss mechanism and a blanking mechanism, an operator is required to firmly clamp and feed a floating oil seal blank at the truss clamping jaw mechanism, then the truss clamping jaw mechanism is moved in the truss mechanism to enable the floating oil seal blank clamped by the truss clamping jaw mechanism to be fed by material level, the floating oil seal blank is sent to an electromagnetic chuck to be fed, the electromagnetic chuck fixes the blank and rotates and feeds, the CBN grinding wheel grinds the blank by swinging left and right, meanwhile, the truss clamping jaw mechanism is moved in the truss mechanism and clamps the next blank to wait at a processing port, after grinding is completed, the truss clamping jaw mechanism stretches into and takes off, the floating oil seal processed on the electromagnetic chuck is clamped and taken off, the floating oil seal clamped and unloaded by the truss clamping jaw mechanism is sleeved outside a blanking rod of the blanking turntable, and an operator only needs to manually take down the floating oil seal, so that grinding is carried out from the blanking rod, the automatic production efficiency of the floating oil seal stair surface grinding machine can be ensured, and labor cost of personnel is reduced.

2. According to the utility model, through the use of the CBN grinding wheel, in the floating oil seal grinding process, the CBN grinding wheel (cubic boron nitride grinding wheel) is sharp in cutting, the grinding force is small, the grinding can obtain higher dimensional accuracy and lower surface roughness, cracks and burns are not easy to generate on the processing surface, the residual stress is small, the compression resistance and fatigue resistance of the floating oil seal are improved, the durability of the floating oil seal is improved by 10% -30%, in addition, the CBN grinding wheel greatly reduces the frequency of grinding wheel trimming, and the grinding feeding speed is improved, so that the floating oil seal step surface grinding machine can complete the processing procedure more quickly, thereby achieving the effects of reducing the comprehensive cost, improving the grinding quality of the grinding wheel and prolonging the service life.

Drawings

FIG. 1 is a front view of the structure of the present utility model;

FIG. 2 is a front cross-sectional view of the structure of the present utility model;

FIG. 3 is a second elevational cross-section of the structure of the present utility model;

Fig. 4 is an enlarged schematic view of the blanking mechanism of the structure of the present utility model.

In the figure: the grinding machine comprises a 1-grinding machine, a 2-blanking mechanism, a 3-distribution box, a 4-truss mechanism, a 5-first positive and negative motor, a 6-first threaded rod, a 7-up sleeve moving frame, an 8-first hydraulic cylinder, a 9-truss clamping jaw mechanism, a 10-rotating cylinder, a 11-blank clamping jaw, a 12-finished clamping jaw, a 13-first motor, a 14-electromagnetic chuck, a 15-sliding chute, a 16-second positive and negative motor, a 17-second threaded rod, a 18-down sleeve moving frame, a 19-grinding wheel frame, a 20-CBN grinding wheel, a 21-second motor, a 22-third motor, a 23-blanking turntable, a 24-blanking rod, a 25-positioning notch, a 26-second hydraulic cylinder, a 27-blanking pushing frame, a 28-third hydraulic cylinder and a 29-positioning block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the floating oil seal tread grinding machine comprises a grinding machine 1, a truss mechanism 4 and a blanking mechanism 2, wherein a first motor 13 is fixedly arranged in a central groove on the upper surface of the grinding machine 1, an output shaft of the first motor 13 is fixedly connected with an electromagnetic chuck 14 for rotating and feeding, a truss clamping jaw mechanism 9 for clamping a floating oil seal is arranged above the electromagnetic chuck 14, and a first positive and negative motor 5 and a first threaded rod 6 for driving the truss clamping jaw mechanism 9 to feed and discharge are fixedly arranged in one side of the truss mechanism 4;

One side of the electromagnetic chuck 14 is provided with a grinding wheel frame 19, and a CBN grinding wheel 20 is rotatably arranged on the grinding wheel frame 19;

One side surface of the blanking mechanism 2 is fixedly provided with a distribution box 3, the other side surface of the blanking mechanism 2 is rotatably provided with a blanking turntable 23, and the surface of the blanking turntable 23 is uniformly connected with a blanking rod 24 used for blanking a floating oil seal.

More specifically, in this embodiment, firstly, an operator needs to firmly clamp and feed the floating oil seal blank at the truss clamping jaw mechanism 9, then moves the truss clamping jaw mechanism 9 in the truss mechanism 4 to enable the floating oil seal blank clamped by the truss clamping jaw mechanism 9 to be fed, and sends the floating oil seal blank to the electromagnetic chuck 14 on the grinding machine 1 to be fed, the first motor 13 drives the electromagnetic chuck 14 to rotate for grinding operation, the electromagnetic chuck 14 fixes the blank and rotates and feeds, the CBN grinding wheel 20 grinds the blank by swinging left and right, meanwhile, the truss clamping jaw mechanism 9 moves in the truss mechanism 4 and clamps the next blank to wait at the processing port, after grinding processing is completed, the truss clamping jaw mechanism 9 stretches into and takes off the floating oil seal processed on the electromagnetic chuck 14, and clamps and takes off the floating oil seal of the unloading through the truss clamping jaw mechanism 9, and sleeves the floating oil seal to the unloading rod 24 of the unloading turntable 23, and the operator only needs to manually take off the floating oil seal from the unloading rod 24, so that the floating oil seal can be pushed in advance, and the grinding efficiency of the grinding machine can be reduced, and the production cost of the grinding machine is high, and the production cost is reduced.

Through the use of the CBN grinding wheel 20, the CBN grinding wheel 20 (cubic boron nitride grinding wheel) is effectively cut sharp in the grinding process of the floating oil seal, the grinding force is small, the grinding can obtain higher dimensional accuracy and lower surface roughness, cracks and burns are not easy to generate on the processing surface, the residual stress is small, the compression resistance and fatigue resistance of the floating oil seal are improved, the durability of the floating oil seal is improved by 10% -30%, in addition, the CBN grinding wheel 20 greatly reduces the frequency of grinding wheel dressing, the grinding feeding speed is improved, and the processing procedure of the floating oil seal step surface grinder is finished more quickly, so that the effects of reducing the comprehensive cost, improving the grinding quality of the grinding wheel and prolonging the service life are achieved.

Furthermore, the output end of the first positive and negative motor 5 is fixedly connected with one side rotating end of the first threaded rod 6, an upper moving sleeve frame 7 is sleeved on the external thread of the first threaded rod 6, a first hydraulic cylinder 8 is fixedly arranged on the lower surface of the upper moving sleeve frame 7, the output end of the first hydraulic cylinder 8 is fixedly connected with the upper surface of the truss clamping jaw mechanism 9, a rotary cylinder 10 is fixedly arranged at the bottom of the truss clamping jaw mechanism 9, and the output ends of the rotary cylinders 10 are respectively connected with a blank clamping jaw 11 for clamping and taking materials and a finished clamping jaw 12 for clamping and taking materials.

It should be noted that, the rotation of the first positive and negative motor 5 can drive the first threaded rod 6 to rotate in positive and negative threads, and the sleeve moving frame 7 sleeved outside the first threaded rod 6 can also drive the first hydraulic cylinder 8 and the truss clamping jaw mechanism 9 to perform displacement in the feeding and discharging directions along with the positive and negative rotation direction of the first threaded rod 6, the output end of the first hydraulic cylinder 8 can drive the truss clamping jaw mechanism 9 to reach the feeding and discharging height, and the output end of the rotary cylinder 10 can drive the blank clamping jaw 11 and the finished product clamping jaw 12 to perform alternating feeding and discharging operations on the floating oil seal blank and the floating oil seal finished product in the rotation process of changing the direction.

Furthermore, a chute 15 is formed on the upper surface of one side of the grinding machine 1, a second positive and negative motor 16 is fixedly arranged on the inner groove wall of one side of the chute 15, the output end of the second positive and negative motor 16 is fixedly connected with a second threaded rod 17, a downward sleeve frame 18 is sleeved on the external thread of the second threaded rod 17, the grinding wheel frame 19 is fixedly arranged on the upper surface of the downward sleeve frame 18, a second motor 21 is fixedly arranged on one side surface of the grinding wheel frame 19, and the output end of the second motor 21 penetrates through one side surface of the grinding wheel frame 19 and is fixedly connected with the rotating end of the CBN grinding wheel 20 in the grinding wheel frame 19.

It should be noted that, the output end of the second motor 21 may drive the CBN grinding wheel 20 in the grinding wheel frame 19 to perform grinding rotation, and the rotation of the second positive and negative motor 16 in the chute 15 may drive the second threaded rod 17 to perform positive and negative thread rotation, and the downward moving sleeve frame 18 sleeved outside the second threaded rod 17 may also drive the CBN grinding wheel 20 in the grinding wheel frame 19 to perform left and right swinging grinding operation along with the positive and negative rotation direction of the second threaded rod 17.

Further, a third motor 22 is fixedly installed in the blanking mechanism 2, the output end of the third motor 22 penetrates through one side surface of the blanking mechanism 2 and is fixedly connected with the blanking turntable 23, a second hydraulic cylinder 26 is fixedly installed on the upper surface of the blanking mechanism 2, the output end of the second hydraulic cylinder 26 is fixedly connected with a blanking pushing frame 27, the blanking pushing frame 27 is inserted into the surface of the blanking rod 24, positioning notches 25 are uniformly formed in the peripheral surface of the blanking turntable 23, a third hydraulic cylinder 28 is fixedly installed on the side surface of the blanking mechanism 2, a positioning block 29 is fixedly connected with the output end of the third hydraulic cylinder 28, and the positioning block 29 is inserted into the positioning notches 25.

More specifically, during blanking, the operator may start the second hydraulic cylinder 26 on the blanking mechanism 2, the output end of the second hydraulic cylinder 26 drives the blanking pushing frame 27 to push the floating oil seal finished product sleeved outside the blanking rod 24, the blanking turntable 23 may also be driven by the third motor 22 to rotate, so that the floating oil seal finished product is sleeved outside different blanking rods 24, in addition, in order to prevent rotation of the blanking turntable 23, after the position of the blanking rod 24 is required to be sleeved every time, the third hydraulic cylinder 28 may be started, and the output end of the third hydraulic cylinder 28 drives the positioning block 29 to be positioned and inserted in the corresponding positioning notch 25, so as to ensure stability of the blanking turntable 23.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a floating oil blanket tread grinding machine, includes grinding machine (1), truss mechanism (4) and unloading mechanism (2), its characterized in that: a first motor (13) is fixedly arranged in a central groove on the upper surface of the grinding machine (1), an output shaft of the first motor (13) is fixedly connected with an electromagnetic chuck (14), a truss clamping jaw mechanism (9) for clamping a floating oil seal is arranged above the electromagnetic chuck (14), and a first positive and negative motor (5) and a first threaded rod (6) for driving the truss clamping jaw mechanism (9) to feed and discharge are fixedly arranged in one side of the truss mechanism (4);

One side of the electromagnetic chuck (14) is provided with a grinding wheel frame (19), and a CBN grinding wheel (20) is rotatably arranged on the grinding wheel frame (19);

One side surface fixed mounting of unloading mechanism (2) has block terminal (3), the opposite side surface rotation of unloading mechanism (2) is installed unloading carousel (23), the surface of unloading carousel (23) evenly is connected with unloading pole (24).

2. A floating oil seal tread mill as in claim 1 wherein: the output end fixed connection of first positive and negative motor (5) is in one side rotation end of first threaded rod (6), the external screw thread cover of first threaded rod (6) is equipped with moves cover frame (7) upward, the lower surface fixed mounting who moves cover frame (7) upward has first pneumatic cylinder (8), the output fixed connection of first pneumatic cylinder (8) is in truss clamping jaw mechanism (9) upper surface, the bottom fixed mounting of truss clamping jaw mechanism (9) has rotary cylinder (10), the output of rotary cylinder (10) is connected with blank clamping jaw (11) that are used for pressing from both sides the material loading respectively to and be used for pressing from both sides finished product clamping jaw (12) of taking the unloading.

3. A floating oil seal tread mill as in claim 1 wherein: the grinding machine is characterized in that a sliding groove (15) is formed in the upper surface of one side of the grinding machine (1), a second positive and negative motor (16) is fixedly arranged on the inner groove wall of one side of the sliding groove (15), a second threaded rod (17) is fixedly connected to the output end of the second positive and negative motor (16), a downward sleeve moving frame (18) is sleeved on the external thread of the second threaded rod (17), and the grinding wheel frame (19) is fixedly arranged on the upper surface of the downward sleeve moving frame (18).

4. A floating oil seal tread mill according to claim 3, wherein: a second motor (21) is fixedly arranged on one side surface of the grinding wheel frame (19), and the output end of the second motor (21) penetrates through one side surface of the grinding wheel frame (19) and is fixedly connected with the rotating end of the CBN grinding wheel (20) in the grinding wheel frame (19).

5. A floating oil seal tread mill as in claim 1 wherein: the blanking mechanism is characterized in that a third motor (22) is fixedly installed in the blanking mechanism (2), the output end of the third motor (22) penetrates through one side surface of the blanking mechanism (2) and is fixedly connected with the blanking turntable (23), a second hydraulic cylinder (26) is fixedly installed on the upper surface of the blanking mechanism (2), a blanking pushing frame (27) is fixedly connected with the output end of the second hydraulic cylinder (26), and the blanking pushing frame (27) is inserted on the surface of the blanking rod (24).

6. A floating oil seal tread mill according to claim 5 wherein: positioning notches (25) are uniformly formed in the peripheral surface of the blanking turntable (23), a third hydraulic cylinder (28) is fixedly arranged on the side face of the blanking mechanism (2), a positioning block (29) is fixedly connected to the output end of the third hydraulic cylinder (28), and the positioning block (29) is inserted into the positioning notches (25).