CN219598906U

CN219598906U - Guide wheel supporting mechanism of centerless grinder

Info

Publication number: CN219598906U
Application number: CN202321301549.5U
Authority: CN
Inventors: 游启龙
Original assignee: Wuxi Jianhe Numerical Control Machine Tool Co ltd
Current assignee: Wuxi Jianhe Numerical Control Machine Tool Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-08-29
Anticipated expiration: 2033-05-26

Abstract

The utility model discloses a guide wheel supporting mechanism of a centerless grinder, and belongs to the technical field of guide wheel supporting. The lifting device comprises a base, wherein a supporting guide mechanism is arranged on the outer wall in front of the base and comprises a first supporting plate, a placing plate is connected to the top of a lifting rod, a supporting box is arranged at the top of the base, a limiting circular plate is connected to the output end of a driving motor, an air expansion shaft is arranged on the side wall of the limiting circular plate, a supporting cover plate is connected to the other end of a pin shaft, a sliding circular groove is formed in the side wall of the supporting cover plate, a sliding hole is formed in the inner wall of the sliding circular groove, good two-point support is effectively provided for a guide wheel, and the lifting support is convenient to detach and install; and the plurality of balls can be utilized to reduce the abrasion force under the condition that the guide wheel rotates, so that the service load of the driving motor is effectively reduced, the service life of the driving motor is prolonged, and the stability of the guide wheel during rotation is better improved.

Description

Guide wheel supporting mechanism of centerless grinder

Technical Field

The utility model relates to the technical field of guide wheel support, in particular to a guide wheel support mechanism of a centerless grinder.

Background

The centerless grinding machine is one kind of grinding machine for grinding without locating the axis of workpiece, and consists of three mechanisms including grinding wheel to control the rotation of workpiece and the feeding speed of workpiece, guide wheel and workpiece support to support the workpiece during grinding.

The guide wheel is one of main mechanisms of the centerless grinder, is usually made of mixed abrasive materials of binding agents such as rubber or plastic, has the functions of supporting and driving the workpiece, and controls the rotation speed and the passing speed of the workpiece, so the guide wheel has no grinding function.

The existing guide wheel supporting mechanism still has the following problems: the existing guide wheel generally adopts a structure with a single supporting shaft, and when the guide wheel is cut into and ground, as the supporting point is only at one end of the guide wheel, the support is poorer, the guide wheel is easy to deflect under stress, so that the processing precision of a product is lower, the guide wheel is more complicated to detach and install, and the great labor intensity is brought to staff;

in addition, when in grinding, the guide wheel and the guide wheel shaft rotate together, the abrasion is serious when the guide wheel frame is subjected to the load, and the stability is poor, so that the grinding precision is greatly reduced, the driving motor is greatly shared, and the service life of the driving motor is reduced;

in view of this, we propose a centerless grinder guide wheel support mechanism.

Disclosure of Invention

1. Technical problem to be solved

The utility model aims to provide a guide wheel supporting mechanism of a centerless grinder, which aims to solve the problems in the background art.

2. Technical proposal

The guide wheel supporting mechanism of the centerless grinder comprises a base, wherein a supporting and guiding mechanism is arranged on the outer wall in front of the base;

the support guide mechanism comprises a first support plate, a lifting motor is arranged at the top of the first support plate, the output end of the lifting motor is connected with a lifting rod, the top of the lifting rod is connected with a placing plate, and a support box is arranged at the top of the base;

the supporting box is characterized in that a driving motor is arranged on the outer wall of the rear of the supporting box, the output end of the driving motor is connected with a limiting circular plate, the side wall of the limiting circular plate is provided with an inflatable shaft, a pin shaft and a semicircular fixed block are arranged on the outer wall of the front of the supporting box, and the other end of the pin shaft is connected with a supporting cover plate;

the support cover plate, the slip circular slot has been seted up to support cover plate lateral wall, the slide hole has been seted up to slip circular slot inner wall.

Preferably, anti-slip patterns are formed on the circumferential outer wall of the inflatable shaft, and the circumferential outer wall of the inflatable shaft is sleeved with a guide wheel.

Preferably, the tail end of the inflatable shaft is provided with a first fixed round block, the outer wall in front of the first fixed round block is provided with a second fixed round block, and the outer wall in front of the second fixed round block is provided with an air delivery nozzle.

Preferably, the sliding circular groove and the sliding hole circle Zhou Nabi are annular and provided with balls, the sliding circular groove is matched with the first fixed circular block, and the sliding hole is matched with the second fixed circular block.

Preferably, the top of the placing plate is provided with a first groove plate, and the side wall of the first groove plate is provided with a second groove plate.

Preferably, the top of the base is provided with a second supporting plate, the two side walls of the second supporting plate are provided with an advance and retreat motor, the output end of the advance and retreat motor is connected with an advance and retreat rod, and the tail end of the advance and retreat rod is connected with the side wall of the supporting box.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that: when the support cover plate is used, the lifting motor is used for driving the groove plate to fixedly support the support cover plate, so that two-point support of the guide wheel is realized, the support cover plate is rotated in the same way during disassembly and installation, the guide wheel is taken out from the inflatable shaft and slid into the groove plate for taking out by contraction of the inflatable shaft, and the support cover plate is installed in the same way, so that better support is effectively provided, and the support cover plate is more convenient to disassemble and install;

when the support cover plate supports the guide wheel, the plurality of balls can be utilized to reduce the abrasion force under the condition that the balloon shaft rotates, so that the service life of the driving motor is effectively prolonged by reducing the use load of the driving motor, and the stability of the guide wheel during rotation is better improved.

Drawings

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

FIG. 2 is a schematic view of the structure of the supporting box of the present utility model;

FIG. 3 is a schematic view of the balloon shaft connection structure of the present utility model;

FIG. 4 is a schematic view of a supporting cover plate structure according to the present utility model;

the reference numerals in the figures illustrate: 100. a base; 110. a first supporting plate; 120. a lifting motor; 130. placing a plate; 140. a groove plate I; 150. groove plate II; 160. a second supporting plate; 170. a driving and reversing motor; 200. a supporting box; 210. a pin shaft; 220. a semicircular fixed block; 300. supporting the cover plate; 310. sliding round grooves; 320. a ball; 330. a sliding hole; 400. a driving motor; 410. a limit circular plate; 420. an air expansion shaft; 430. fixing the round block I; 440. fixing the second round block; 450. an air delivery nozzle; 460. and a guide wheel.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the present utility model provides a technical solution:

the guide wheel supporting mechanism of the centerless grinder comprises a base 100, wherein a supporting and guiding mechanism is arranged on the outer wall in front of the base 100;

the support guide mechanism comprises a first support plate 110, a lifting motor 120 is arranged at the top of the first support plate 110, the output end of the lifting motor 120 is connected with a lifting rod, the top of the lifting rod is connected with a placing plate 130, and a support box 200 is arranged at the top of the base 100;

the supporting box 200, the outer wall of the rear of the supporting box 200 is provided with a driving motor 400, and the output end of the driving motor 400 is connected with a limit circular plate 410;

limit circular plate 410: the guide wheel is conveniently limited, so that the deviation during rotation is avoided to influence the grinding precision;

the side wall of the limit circular plate 410 is provided with an inflatable shaft 420, the front outer wall of the supporting box 200 is provided with a pin shaft 210 and a semicircular fixed block 220, and the other end of the pin shaft 210 is connected with a supporting cover plate 300;

the cover plate 300 is supported, the sliding circular groove 310 is formed in the side wall of the cover plate 300, the sliding hole 330 is formed in the inner wall of the sliding circular groove 310, two-point support of the guide wheel 460 is effectively achieved, and the rotating stability of the guide wheel is improved.

Specifically, the circumference outer wall of the balloon shaft 420 is provided with anti-skidding patterns, and the circumference outer wall of the balloon shaft 420 is sleeved with the guide wheel 460, so that the phenomenon that the guide wheel 460 slips on the balloon shaft 420 can be avoided, and the grinding of a workpiece is affected.

Further, the end of the air expansion shaft 420 is provided with a first fixed round block 430, the outer wall in front of the first fixed round block 430 is provided with a second fixed round block 440, the outer wall in front of the second fixed round block 440 is provided with an air delivery nozzle 450, the roller is conveniently matched with the balls 320 to roll, the abrasion force during rotation is reduced, and the guide wheel 460 moves more stably.

In some embodiments: in order to enable automatic longitudinal feeding of the workpiece, the axis of the guide wheel 460 must be inclined at an angle to the axis of the grinding wheel in a vertical plane by a vertical angle, and since the guide wheel 460 rotates at a vertical angle in the vertical plane, the guide wheel 460 is changed from original line contact to point contact, and in order to enable line contact between the guide wheel 460 and the workpiece to be maintained, the guide wheel 460 must be trimmed from a cylindrical surface to a conical hyperboloid rotator, so that the above technology belongs to the prior art.

Still further, the sliding circular groove 310 and the inner wall of the circumference of the sliding hole 330 are provided with the balls 320 in a ring shape, the sliding circular groove 310 is matched with the first fixed circular block 430, the sliding hole 330 is matched with the second fixed circular block 440, the stability of the guide wheel 460 is conveniently increased, and the service load of the driving motor 400 is effectively reduced, and the service life of the driving motor is prolonged.

Furthermore, the first groove plate 140 is disposed at the top of the placement plate 130, the second groove plate 150 is disposed on the side wall of the first groove plate 140, so that the guide wheel 470 can be conveniently placed in a guiding manner when being taken out, and the first groove plate 140 and the second groove plate 150 can be driven by the lifting motor 120 to fixedly support the support cover plate 300, so that two-point support of the guide wheel is realized, and the use stability is improved.

In addition, the top of the base 100 is provided with a second support plate 160, the side wall of the second support plate 160 is provided with a driving and reversing motor 170, the output end of the driving and reversing motor 170 is connected with a driving and reversing rod, the tail end of the driving and reversing rod is connected to the side wall of the support box 200, the distance of the guide wheel 460 is effectively and conveniently adjusted, and workpieces with various sizes are conveniently ground.

In some embodiments: the device uses power all connected by external power and an external configuration inflates the balloon shaft 420.

In addition, the present utility model relates to circuits, electronic components and modules in the prior art, and those skilled in the art can fully implement the present utility model, and needless to say, the protection of the present utility model does not relate to improvement of the internal structure and method.

Working principle: firstly, the guide wheel 460 is sleeved on the circumferential surface of the air inlet expansion shaft 420, then the air inflation shaft 420 is inflated by an external inflation device to enable the air inflation shaft 420 to expand so as to fix the guide wheel 460, at this time, the rotatable support cover plate 300 utilizes the lifting motor 120 to drive the first groove plate 140 and the second groove plate 150 to fixedly support the support cover plate 300 so as to realize two-point support of the guide wheel 360, the support cover plate 300 is rotated in the same way during disassembly and installation, the air inflation shaft 420 is deflated and contracted so as to take out the guide wheel 460 from the air inflation shaft 420 and slide into the first groove plate 140 for taking out, the disassembly and installation are more convenient under the same way, the better supportability is effectively provided, the abrasion force can be reduced under the condition that the air inflation shaft 420 rotates by utilizing the plurality of balls 320 while the support cover plate 300 supports the guide wheel 460, the service load of the driving motor 400 is reduced so as to prolong the service life of the guide wheel 460, and the stability during rotation of the guide wheel 460 is better promoted.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a centerless grinder guide pulley supporting mechanism, includes base (100), its characterized in that: the outer wall of the front of the base (100) is provided with a supporting and guiding mechanism;

the support guide mechanism comprises a first support plate (110), a lifting motor (120) is arranged at the top of the first support plate (110), a lifting rod is connected to the output end of the lifting motor (120), a placing plate (130) is connected to the top of the lifting rod, and a support box (200) is arranged at the top of the base (100);

the supporting box (200), the outer wall in the rear of the supporting box (200) is provided with a driving motor (400), the output end of the driving motor (400) is connected with a limiting circular plate (410), the side wall of the limiting circular plate (410) is provided with an inflatable shaft (420), the outer wall in the front of the supporting box (200) is provided with a pin shaft (210) and a semicircular fixed block (220), and the other end of the pin shaft (210) is connected with a supporting cover plate (300);

the support cover plate (300), sliding circular grooves (310) are formed in the side walls of the support cover plate (300), and sliding holes (330) are formed in the inner walls of the sliding circular grooves (310).

2. The centerless grinder jockey wheel support mechanism of claim 1, wherein: anti-skidding lines are formed in the circumferential outer wall of the inflatable shaft (420), and guide wheels (460) are sleeved on the circumferential outer wall of the inflatable shaft (420).

3. A centerless grinder jockey wheel support mechanism as set forth in claim 2 wherein: the end of the air expansion shaft (420) is provided with a first fixed round block (430), the outer wall in front of the first fixed round block (430) is provided with a second fixed round block (440), and the outer wall in front of the second fixed round block (440) is provided with an air delivery nozzle (450).

4. A centerless grinder jockey wheel support mechanism according to claim 3, wherein: the sliding circular groove (310) and the inner wall of the circumference of the sliding hole (330) are annularly provided with balls (320), the sliding circular groove (310) is matched with the first fixed circular block (430), and the sliding hole (330) is matched with the second fixed circular block (440).

5. The centerless grinder jockey wheel support mechanism according to claim 4, wherein: the top of the placing plate (130) is provided with a first groove plate (140), and the side wall of the first groove plate (140) is provided with a second groove plate (150).

6. A centerless grinder jockey wheel support mechanism as set forth in claim 2 wherein: the top of the base (100) is provided with a second supporting plate (160), the side wall of the second supporting plate (160) is provided with an advancing and retreating motor (170), the output end of the advancing and retreating motor (170) is connected with an advancing and retreating rod, and the tail end of the advancing and retreating rod is connected with the side wall of the supporting box (200).