Small centerless grinding machine

Abstract

The utility model provides a small centerless grinding machine. The small centerless grinding machine comprises a machine box, a guide wheel mechanism, a feeding adjusting mechanism, a workpiece support, a control box, a grinding wheel mechanism and a wheel trimmer. The guide wheel mechanism comprises a guide wheel seat, a guide wheel and a guide wheel driver; the guide wheel seat is close to the front end of the case, the guide wheel is mounted on the guide wheel seat through the front wheel shaft, and the guide wheel driver is arranged on one side of the guide wheel seat and directly in transmission connection with the front wheel shaft. The feeding adjusting mechanism comprises a first-stage feeding adjusting plate and a second-stage feeding adjusting plate; the control box and the guide wheel seat are sequentially arranged on the secondary feeding adjusting plate from front to back; the grinding wheel mechanism is arranged close to the rear end of the case; the wheel dressers are arranged close to the outer sides of wheels of the guide wheel mechanism and the grinding wheel mechanism respectively. The small centerless grinding machine solves the technical problem that some existing centerless grinding machines are poor in performance in the aspects of structural composition, layout design, space utilization and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of centerless grinders, in particular to a small centerless grinder. Background Art

[0002] A centerless grinder is a special type of grinder that does not require the workpiece to be positioned on its axis for grinding. It is mainly composed of three mechanisms: a grinding wheel, a guide wheel, and a workpiece support. The grinding wheel is responsible for the actual grinding work, the guide wheel controls the rotation and feed speed of the workpiece, and the workpiece support supports the workpiece during grinding.

[0003] Among them, some centerless grinders on the market perform poorly in terms of structural composition, layout design and space utilization, which are manifested in at least the following aspects: the control box is usually large in size and is mostly set at the rear end of the chassis, which is far away from the feed adjustment end. Some are set on one side of the chassis, which is not convenient for unified control and adjustment and takes up space; the guide wheels are mostly connected to the motor in the chassis through a complex drive transmission mechanism; the guide wheel adjustment structure mostly adopts a box-type structure, which is relatively complex and large in size.

[0004] Therefore, in view of the above situation, it is necessary to develop a small centerless grinder with simple structure, reasonable and compact layout, space saving and convenient adjustment and control. Utility Model Content

[0005] The purpose of the utility model is to provide a small centerless grinder to solve the above-mentioned technical problems.

[0006] Utility model solution:

[0007] The utility model provides a small centerless grinder, comprising a chassis, a guide wheel mechanism, a feed adjustment mechanism, a workpiece support, a control box, a grinding wheel mechanism and a wheel dresser; the guide wheel mechanism comprises a guide wheel seat, a guide wheel and a guide wheel drive; the guide wheel seat is arranged near the front end of the chassis, the guide wheel is installed on the guide wheel seat through a front wheel shaft, and the guide wheel drive is arranged at one side of the guide wheel seat and is directly connected to the front wheel shaft in transmission; the feed adjustment mechanism comprises a primary feed adjustment plate and a secondary feed adjustment plate; the primary feed adjustment plate is adjustably arranged at the front end of the chassis, and the workpiece support is installed on the primary feed adjustment plate; the secondary feed adjustment plate is adjustably arranged on the upper side of the primary feed adjustment plate, and the control box and the guide wheel seat are sequentially arranged on the secondary feed adjustment plate from front to back; the grinding wheel mechanism is arranged near the rear end of the chassis; the wheel dresser is arranged near the outer sides of the guide wheel mechanism and the wheels of the grinding wheel mechanism, respectively.

[0008] Furthermore, the guide wheel drive includes a connected motor and a reducer, and the reducer is arranged on one side of the guide wheel seat and is directly connected to the front wheel axle.

[0009] Furthermore, a front axle seat is provided on one side of the guide wheel seat, the front wheel axle is pivotally mounted on the front axle seat, and the reducer is installed on the front axle seat.

[0010] Furthermore, the feed adjustment mechanism also includes a primary adjustment component and a secondary adjustment screw; the primary adjustment component is arranged on the chassis and is transmission connected to the primary feed adjustment plate; the secondary adjustment screw is arranged on the primary feed adjustment plate and is transmission connected to the secondary feed adjustment plate, and a rotation limiting structure is provided at its front end.

[0011] Furthermore, the grinding wheel mechanism includes a grinding wheel seat, a grinding wheel and a grinding wheel drive; the grinding wheel seat is arranged near the rear end of the chassis; the grinding wheel is installed on the grinding wheel seat through the rear wheel shaft; the grinding wheel drive is arranged in the chassis and is connected to the rear wheel shaft through the grinding wheel transmission.

[0012] Furthermore, a rear axle seat is provided on one side of the grinding wheel seat, and the rear wheel axle is pivotally mounted on the rear axle seat; the grinding wheel drive adopts a belt drive structure and is arranged outside the chassis, and the grinding wheel drive is connected to the rear wheel axle through the belt drive structure.

[0013] Beneficial effects:

[0014] The utility model provides a small centerless grinder, wherein the control box of the centerless grinder is relatively small and is arranged close to the upper front end of the chassis, so that it is arranged at the same end as the feed adjustment mechanism, which is convenient for unified control and adjustment and rationalizes the structural layout; at the same time, the guide wheel drive is connected to the front wheel axle in a direct connection manner, which simplifies the structure and saves space; at the same time, the feed adjustment mechanism adopts a simple two-stage feed adjustment plate structure, which has a simple structure and small size, and provides installation space for the control box; therefore, the small centerless grinder has a simple structural composition, a reasonable and compact layout, saves space, and is convenient for unified control and adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 A three-dimensional view of the small centerless grinder provided in this embodiment from a front-end perspective;

[0017] Figure 2 A three-dimensional view of the small centerless grinder provided in this embodiment from a rear-end perspective;

[0018] Figure 3 A plan view of the front end of the small centerless grinder provided for this embodiment;

[0019] Figure 4 A top view of the small centerless grinder provided in this embodiment.

[0020] icon:

[0021] 100-Chassis;

[0022] 200-guide wheel mechanism; 210-guide wheel seat; 220-guide wheel; 230-guide wheel drive; 231-motor; 232-reducer; 240-front axle seat;

[0023] 300-feed adjustment mechanism; 310-primary feed adjustment plate; 320-secondary feed adjustment plate; 330-primary adjustment assembly; 340-secondary adjustment screw;

[0024] 400-workpiece support; 500-control box;

[0025] 600-grinding wheel mechanism; 610-grinding wheel seat; 620-grinding wheel; 630-grinding wheel transmission; 640-rear axle seat;

[0026] 700 - Wheel Dresser. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0028] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.

[0029] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0031] This embodiment provides a small centerless grinder, please refer to Figure 1-4 As shown, it includes a chassis 100, a guide wheel mechanism 200, a feed adjustment mechanism 300, a workpiece support 400, a control box 500, a grinding wheel mechanism 600 and a wheel dresser 700; the guide wheel mechanism 200 includes a guide wheel seat 210, a guide wheel 220 and a guide wheel drive 230; the guide wheel seat 210 is arranged near the front end of the chassis 100, the guide wheel 220 is installed on the guide wheel seat 210 through the front wheel shaft, and the guide wheel drive 230 is arranged on one side of the guide wheel seat 210 and is directly connected to the front wheel shaft; the feed adjustment mechanism 300 includes a primary feed adjustment plate 310 and a secondary feed adjustment plate 320. The first-stage feed adjustment plate 320; the first-stage feed adjustment plate 310 is adjustably arranged at the front end of the chassis 100, and the workpiece support 400 is installed on the first-stage feed adjustment plate 310; the second-stage feed adjustment plate 320 is adjustably arranged on the upper side of the first-stage feed adjustment plate 310, and the control box 500 and the guide wheel seat 210 are sequentially arranged on the second-stage feed adjustment plate 320 from front to back; the grinding wheel mechanism 600 is arranged near the rear end of the chassis 100; the wheel dresser 700 is respectively arranged near the outer sides of the wheels of the guide wheel mechanism 200 and the grinding wheel mechanism 600.

[0032] Specifically, the control box 500 is relatively small and is arranged near the upper front end of the chassis 100, so that it is arranged at the same end as the feed adjustment mechanism 300, which is convenient for unified control and adjustment and rationalizes the structural layout; at the same time, the guide wheel drive 230 is directly connected to the front wheel axle, which simplifies the structure and saves space; at the same time, the feed adjustment mechanism 300 adopts a simple two-stage feed adjustment plate structure, which has a simple structure and small size, and provides installation space for the control box 500; therefore, the small centerless grinder has a simple structure, a reasonable and compact layout, saves space, and is convenient for unified adjustment and control.

[0033] In this embodiment, the guide wheel drive 230 includes a connected motor 231 and a reducer 232, wherein the reducer 232 is disposed on one side of the guide wheel seat 210 and is directly connected to the front wheel shaft. A front axle seat 240 is disposed on one side of the guide wheel seat 210, the front wheel shaft is pivotally mounted on the front axle seat 240, and the reducer 232 is installed on the front axle seat 240.

[0034] Specifically, the front axle seat 240 is installed to one side of the guide wheel seat 210, providing a structural basis for installing the guide wheel drive 230, that is, the guide wheel drive 230 can be suspended on one side of the guide wheel seat 210 through the front axle seat 240, and is located above the chassis 100; this has a simple structure and a compact and reasonable layout, which reduces space occupancy.

[0035] In this embodiment, the feed adjustment mechanism 300 also includes a primary adjustment component 330 and a secondary adjustment screw 340; the primary adjustment component 330 is arranged on the chassis 100 and is transmission connected to the primary feed adjustment plate 310; the secondary adjustment screw 340 is arranged on the primary feed adjustment plate 310 and is transmission connected to the secondary feed adjustment plate 320, and a rotation limiting structure is provided at its front end.

[0036] Specifically, the first-stage adjustment component 330 can adopt a structure of a handwheel and a screw (including a screw and a nut, the screw is pivotally mounted on the chassis 100, and the nut is connected to the first-stage feed adjustment plate 310); the second-stage adjustment screw 340 is pivotally mounted on the first-stage feed adjustment plate 310, and is specifically connected to the second-stage feed adjustment plate 320 through a nut. The screw is not provided with a handwheel, which saves installation space. The limiting structure at its front end can adopt a polygonal column structure, which can be adjusted by a wrench and a socket, and this stage of feed is not adjusted frequently.

[0037] In this embodiment, the grinding wheel mechanism 600 includes a grinding wheel seat 610, a grinding wheel 620 and a grinding wheel drive; the grinding wheel seat 610 is arranged near the rear end of the chassis 100; the grinding wheel 620 is installed on the grinding wheel seat 610 through the rear wheel shaft; the grinding wheel drive is arranged in the chassis 100 and is connected to the rear wheel shaft through a grinding wheel drive 630. A rear shaft seat 640 is arranged on one side of the grinding wheel seat 610, and the rear wheel shaft is pivotally mounted on the rear shaft seat 640; the grinding wheel drive 630 adopts a belt drive structure and is arranged outside the chassis 100, and the grinding wheel drive is connected to the rear wheel shaft through the belt drive structure.

[0038] Specifically, the rear wheel axle is extended to one side from the grinding wheel through the rear axle seat 640, which is convenient for setting the belt drive structure on the outside of the chassis 100. At the same time, it is convenient for the grinding wheel drive, that is, the motor 231 to be set in the inner chassis 100. This makes the structural layout more reasonable and saves space. At the same time, it is convenient to disassemble and maintain the belt drive structure.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A small centerless grinder, characterized in that: It comprises a chassis (100), a guide wheel mechanism (200), a feed adjustment mechanism (300), a workpiece support (400), a control box (500), a grinding wheel mechanism (600) and a wheel dresser (700); The guide wheel mechanism (200) comprises a guide wheel seat (210), a guide wheel (220) and a guide wheel drive (230); the guide wheel seat (210) is arranged close to the front end of the chassis (100); the guide wheel (220) is installed on the guide wheel seat (210) via a front wheel shaft; the guide wheel drive (230) is arranged on one side of the guide wheel seat (210) and is directly connected to the front wheel shaft in a transmission manner; The feed adjustment mechanism (300) comprises a primary feed adjustment plate (310) and a secondary feed adjustment plate (320); the primary feed adjustment plate (310) is adjustably arranged at the front end of the chassis (100), and the workpiece support (400) is installed on the primary feed adjustment plate (310); the secondary feed adjustment plate (320) is adjustably arranged on the upper side of the primary feed adjustment plate (310), and the control box (500) and the guide wheel seat (210) are arranged on the secondary feed adjustment plate (320) in sequence from front to back; The grinding wheel mechanism (600) is arranged close to the rear end of the chassis (100); The wheel dresser (700) is respectively arranged close to the outer sides of the wheels of the guide wheel mechanism (200) and the grinding wheel mechanism (600).

2. A small centerless grinder according to claim 1, characterized in that: The guide wheel drive (230) comprises a connected motor (231) and a reducer (232); the reducer (232) is arranged on one side of the guide wheel seat (210) and is directly connected to the front wheel shaft in a transmission manner.

3. A small centerless grinder according to claim 2, characterized in that: A front axle seat (240) is provided on one side of the guide wheel seat (210), the front wheel axle is pivotally mounted on the front axle seat (240), and the reducer (232) is installed on the front axle seat (240).

4. A small centerless grinder according to any one of claims 1 to 3, characterized in that: The feed adjustment mechanism (300) further comprises a primary adjustment component (330) and a secondary adjustment screw rod (340); The primary adjustment component (330) is arranged on the chassis (100) and is drivingly connected to the primary feed adjustment plate (310); The secondary adjustment screw rod (340) is arranged on the primary feed adjustment plate (310) and is transmission-connected to the secondary feed adjustment plate (320), and a rotation limiting structure is provided at its front end.

5. A small centerless grinder according to any one of claims 1 to 3, characterized in that: The grinding wheel mechanism (600) comprises a grinding wheel seat (610), a grinding wheel (620) and a grinding wheel drive; The grinding wheel seat (610) is arranged close to the rear end of the chassis (100); The grinding wheel (620) is mounted on the grinding wheel seat (610) via a rear wheel shaft; The grinding wheel drive is arranged in the chassis (100) and is connected to the rear wheel shaft through a grinding wheel drive (630).

6. A small centerless grinder according to claim 5, characterized in that: A rear axle seat (640) is provided on one side of the grinding wheel seat (610), and the rear wheel axle is pivotally mounted on the rear axle seat (640); the grinding wheel drive (630) adopts a belt drive structure and is arranged outside the chassis (100), and the grinding wheel drive is connected to the rear wheel axle through the belt drive structure.

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