CN219293467U

CN219293467U - Auxiliary supporting device for grinding wheel of cylindrical grinding machine equipment

Info

Publication number: CN219293467U
Application number: CN202223515286.6U
Authority: CN
Inventors: 黄奇武; 程财
Original assignee: Hardinge Machine Shanghai Co Ltd
Current assignee: Hardinge Machine Shanghai Co Ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-07-04
Anticipated expiration: 2032-12-28

Abstract

The grinding wheel auxiliary supporting device of the cylindrical grinding machine equipment comprises a bottom bracket (6) fixed on the upper side of a mounting seat (9), wherein the top end of the vertical bottom bracket (6) is connected with the inner end of a horizontally arranged lower rotating arm (12) through a first group of deep groove ball bearings (1), the upper side of the outer end of the lower rotating arm (12) is further connected with the outer end of a horizontally arranged upper rotating arm (10) through a second group of deep groove ball bearings (1) at the upper end through a connecting shaft (5), the upper side of the inner end of the upper rotating arm (10) is connected with a vertical butt flange seat (8) through a third group of deep groove ball bearings (1), and a butt flange head (11) is mounted on the butt flange seat (8). The grinding wheels of various types are easily and accurately fixed on the grinding wheel spindle of the machine tool through the auxiliary support frame, the auxiliary support frame is arranged inside the machine tool, and the rotary arm structure is adopted, so that the movement and the operation are more flexible and convenient; meanwhile, the requirements of grinding wheel stacking and accurate butt joint installation are met. Completely replaces manual transportation and is beneficial to safe production management.

Description

Auxiliary supporting device for grinding wheel of cylindrical grinding machine equipment

Technical Field

The utility model relates to a structure improvement technology of an auxiliary supporting device for stacking or moving grinding wheels of grinding machine equipment, in particular to an auxiliary supporting device for grinding wheels of cylindrical grinding machine equipment.

Background

The cylindrical grinding machine is a grinding machine for processing the outer surface and the shaft shoulder end surface generated by cylindrical, conical or other shape element wires of a workpiece; the grinding machine is most widely used and can process various cylindrical conical outer surfaces and shaft shoulder end faces.

Among all grinding machines, cylindrical grinding machines are the most widely used type of machine tools, and generally comprise main components such as a cast iron lathe bed of a basic part, a workbench, a headstock, a tailstock, a grinding wheel frame or a grinding head for mounting a grinding wheel for supporting and driving a workpiece to rotate, a transverse feeding mechanism for controlling the size of the ground workpiece, an electric appliance and a hydraulic device for controlling the action of moving parts of the machine tool, and the like. Cylindrical grinding machines can be generally classified into general cylindrical grinding machines, universal cylindrical grinding machines, wide-grinding-wheel cylindrical grinding machines, end-face cylindrical grinding machines, multi-grinding-wheel-carrier cylindrical grinding machines, multi-grinding-wheel cylindrical grinding machines, cut-in cylindrical grinding machines, special cylindrical grinding machines, and the like. In order to reduce the length of the machine tool, a large cylindrical grinding machine is generally fixed on a workbench, and a grinding carriage performs longitudinal reciprocating motion and transverse feeding motion. The grinding accuracy of the cylindrical grinding machine is generally: the roundness is not more than 3 microns, and the surface roughness Ra0.63-0.32 microns; the high-precision cylindrical grinding machine can reach the roundness of 0.1 micron and the Ra0.01 micron respectively.

The grinding carriage of the cylindrical grinding machine is used as a main part for cutting, can directly influence the machining precision of products and the roughness of the surface of a workpiece, and ensures that the grinding machine meets the requirements of the machining precision, the rigidity and the stability. The height between the grinding carriage box guide rail and the grinding wheel bottom plate sliding table needs to ensure that the grinding carriage box guide rail and the grinding wheel bottom plate sliding table are prevented from being collided with the box when the upper workbench and the lower workbench move. The grinding carriage of the cylindrical grinding machine can be designed into various configuration forms. The grinding carriage is a key component used for driving the grinding wheel to rotate at high speed on the grinding machine, and the movement of the grinding carriage can adopt a cross rolling guide rail so as to improve the feeding sensitivity. The grinding carriage consists of a shell, a main shaft, a bearing thereof, a transmission device, a saddle and the like.

In the prior art, the outer design of a machine tool is adopted for stacking and taking the grinding wheel grinding tools of the cylindrical grinding machine, and the grinding wheel is completely manually conveyed to be mounted on a grinding wheel spindle, so that the replacement is cumbersome and inconvenient, the time and the labor are wasted, the mounting precision is easily affected, and the potential safety hazard of industrial injury caused by improper manual operation exists.

Disclosure of Invention

The utility model aims to provide an auxiliary supporting device for grinding wheels of cylindrical grinding machine equipment, which can be arranged in machine tool equipment to assist in realizing accurate installation of the grinding wheels in a nearby convenient and fast manner, and solves the problems in the prior art.

The object of the utility model is achieved by the following technical measures: the bottom support is fixed to the mount pad upside, and the bottom support top of erectting passes through the lower swinging boom inner of first group deep groove ball bearing connection flat-bed, and lower swinging boom outer end upside passes through the connecting axle and further passes through the last swinging boom outer end that second group deep groove ball bearing reconnection flat-bed in the upper end, and the butt flange seat of erectting is connected through third group deep groove ball bearing to last swinging boom inner end upside, installs the butt flange head on the butt flange seat.

In particular, the upper side of the inner end of the upper rotating arm is fixedly connected with the butt flange seat through an upper shaft.

In particular, the butt flange seat is provided with a safety latch, a shifting fork and a cylindrical elastic pin.

In particular, each set of deep groove ball bearings includes four deep groove ball bearings. The bearing gland is pressed and connected with the outer side of the installation position of the deep groove ball bearing 1 through a hexagon socket head cap screw.

In particular, the lower end of the connecting shaft is inserted into the middle hole at the outer end of the lower rotating arm, and an inner hexagonal cylindrical head screw is penetrated from the bottom side of the middle hole at the outer end of the lower rotating arm to the lower end of the connecting shaft through an embedded gasket. The method is the same, the lower end of the bottom bracket is inserted into the middle hole of the mounting seat, and an inner hexagonal cylindrical head screw is penetrated and connected to the lower end of the bottom bracket from the bottom side of the middle hole of the mounting seat through an embedded gasket.

In particular, the lower end of the bottom bracket is sleeved with a locking nut and then inserted into a hole in the mounting seat.

Especially, set screws are respectively arranged on the outer walls of the outer ends of the mounting seat and the lower rotating arm in an open mode.

The inner end of the upper rotating arm is propped between the lined adjacent deep groove ball bearings; the outer wall of the outer end of the upper rotating arm is provided with a hexagon head bolt and a hexagon nut, and the inner ends of the hexagon head bolt and the hexagon nut are propped between the lined adjacent deep groove ball bearings; the outer wall of the inner end of the lower rotating arm is provided with a hexagon head bolt and a hexagon nut, and the inner ends of the hexagon head bolt and the hexagon nut are propped between the lined adjacent deep groove ball bearings.

In particular, sleeve structures are respectively arranged at two ends of the upper rotating arm and the lower rotating arm, and cover plates 2 are respectively arranged at the bottom surface of the inner end of the upper rotating arm, the top surface of the outer end of the upper rotating arm, the top surface of the inner end of the lower rotating arm and the bottom surface of the outer end of the lower rotating arm.

The utility model has the advantages and effects that: the problem that the internal operation space of the machine tool is limited can be effectively solved, after the installation seat is fixed in the cylindrical grinding machine, the upper rotating arm and the lower rotating arm are matched with the connecting shaft, so that the butt flange head for supporting the grinding wheel can flexibly rotate around the bottom support supporting rod and stretch out and draw back, the position of the grinding wheel can be rapidly adjusted, rapid multifunctionalization is realized, the grinding wheel is accurately docked with the grinding wheel frame at a correct angle, the grinding wheel is installed on the grinding wheel spindle, the machine tool is more agile and more convenient to use, manual carrying is almost completely replaced, labor cost and installation operation space are saved, safety production management is facilitated, work injury caused by improper manual operation is avoided, the equipment working space is coordinated and attractive, and packaging of the machine tool is facilitated.

Drawings

Fig. 1 is a schematic front view of embodiment 1 of the present utility model.

FIG. 2 is a schematic view of the cross-sectional structure of the A-A direction in FIG. 1.

FIG. 3 is a schematic view of the B-B cross-sectional structure of FIG. 1.

Fig. 4 is a schematic perspective view of embodiment 1 of the present utility model.

The reference numerals include:

1-deep groove ball bearings, 2-cover plates, 3-connecting blocks, 4-upper shafts, 5-connecting shafts, 6-bottom brackets, 7-washers, 8-butt flange seats, 9-mounting seats, 10-upper rotating arms, 11-butt flange heads, 12-lower rotating arms, 13-bearing covers, 14-safety bolts, 15-shifting forks, 16-cylindrical elastic pins, 17-locking nuts, 18-hexagon socket head cap screws, 19-hexagon head bolts and hexagon nuts and 20-set screws.

Detailed Description

The utility model easily and accurately fixes grinding wheels of various types on the grinding wheel spindle of a machine tool through the auxiliary supporting frame, and the principle is that:

1) The auxiliary support frame is provided with an internal installation structure of the machine tool to replace the original external design;

2) The auxiliary support frame adopts a rotating arm structure, so that the movement and the operation are more flexible and convenient;

3) The butt flange head is designed to fixedly support the grinding wheel, and meanwhile, the requirements of grinding wheel stacking and accurate butt installation are met.

In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the devices 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 application. In this application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected.

The utility model comprises the following steps:

the deep groove ball bearing comprises a deep groove ball bearing 1, an upper shaft 4, a connecting shaft 5, a bottom bracket 6, a butt flange seat 8, a mounting seat 9, an upper rotating arm 10, a butt flange head 11 and a lower rotating arm 12.

The utility model is further described below with reference to the drawings and examples.

Example 1: as shown in figures 1, 2, 3 and 4, the whole auxiliary grinding wheel supporting device is in an upright mode. The bottom bracket 6 of mount pad 9 upside keeps fixed, the bottom bracket 6 top of erectting connects the inner of the lower swinging boom 12 of flat setting through 4 deep groove ball bearings of first group 1, lower swinging boom 12 outer end upside passes through connecting axle 5 and further connects the outer end of the last swinging boom 10 of flat setting through 4 deep groove ball bearings of second group 1 again in the upper end, go up swinging boom 10 inner end upside and pass through 4 deep groove ball bearings of third group 1 and connect the butt joint flange seat 8 of erectting again, install butt joint flange head 11 on the butt joint flange seat 8.

In the foregoing, the upper side of the inner end of the upper rotating arm 10 is fixedly connected with the butt flange seat 8 through the upper shaft 4. Namely, the top surface of the upper shaft 4 is fixedly connected with the butt flange seat 8 through bolts; meanwhile, the lower section of the upper shaft 4 is inserted into a vertical middle hole at the inner end of the upper rotating arm 10, and is lined with a deep groove ball bearing 1.

In the foregoing, the butt flange seat 8 is mounted with the safety latch 14, the fork 15 and the cylindrical elastic pin 16. The locking or releasing function is performed during the mounting of the counterflange head 11 on the counterflange seat 8.

In the above, the bearing cover 13 is pressed by the hexagon socket head cap screw 18 on the outer side of the installation position of the deep groove ball bearing 1.

In the above, the lower end of the bottom bracket 6 is sleeved with the lock nut 17 and then inserted into the hole in the mounting seat 9.

In the foregoing, the lower end of the connecting shaft 5 is inserted into the middle hole at the outer end of the lower rotating arm 12, and an inner hexagonal socket head cap screw 18 is connected to the lower end of the connecting shaft 5 from the bottom side of the middle hole at the outer end of the lower rotating arm 12 upwards through an embedded gasket 7. The lower end of the bottom bracket 6 is inserted into a hole in the mounting seat 9 in the same way, and an inner hexagonal cylindrical head screw 18 is connected to the lower end of the bottom bracket 6 from the bottom side of the hole in the mounting seat 9 upwards through an embedded gasket 7.

In the foregoing, a hexagonal head bolt and a hexagonal nut 19 are mounted on the outer wall of the inner end of the upper rotating arm 10, and the inner ends of the hexagonal head bolt and the hexagonal nut 19 are propped between the adjacent deep groove ball bearings 1 lined on the outer wall of the upper shaft 4; the outer wall of the outer end of the upper rotating arm 10 is provided with a hexagon head bolt and a hexagon nut 19, and the inner ends of the hexagon head bolt and the hexagon nut 19 are propped between the adjacent deep groove ball bearings 1 lined on the outer wall of the upper section of the connecting shaft 5; the outer wall of the inner end of the lower rotating arm 12 is provided with a hexagon head bolt and a hexagon nut 19, and the inner ends of the hexagon head bolt and the hexagon nut 19 are propped between the adjacent deep groove ball bearings 1 lined on the top outer wall of the bottom bracket 6.

In the foregoing, the upper rotating arm 10 and the lower rotating arm 12 have sleeve structures at both ends, and the cover plate 2 is installed at the bottom surface of the inner end of the upper rotating arm 10, the top surface of the outer end of the upper rotating arm 10, the top surface of the inner end of the lower rotating arm 12, and the bottom surface of the outer end of the lower rotating arm 12, respectively.

In the foregoing, the mounting seat 9 and the outer wall of the outer end of the lower rotating arm 12 are respectively provided with a fastening screw 20.

In the embodiment of the utility model, when the butt flange seat 8 and the butt flange head 11 are installed, the butt flange seat 8 and the connecting block 3 are combined together, then the connected part is gradually combined together through three groups of deep groove ball bearings 1, the upper rotating arm 10, the lower rotating arm 12, the connecting shaft 5 and the bottom bracket 6, the fasteners such as the hexagon socket head cap screw 18, the hexagon head bolt and hexagon nut 19, the set screw 20 and the like are matched and installed in the process, and meanwhile, the cover plate 2 is fixed outside the installation position of the three groups of deep groove ball bearings 1. Finally, the lower end of the bottom bracket 6 is fixed on the mounting seat 9, and the complete auxiliary grinding wheel supporting frame device is completed.

In the embodiment of the utility model, when in working application, the integrally assembled grinding wheel auxiliary supporting device is fixedly connected in the machine tool equipment in a penetrating way through the mounting holes reserved on the two sides of the rear side of the bottom mounting seat 9 by 4 bolts, and the bolts are preferably hexagon socket cylindrical nickel-plated screws. The grinding wheel is sleeved on the screw port of the butt flange head 11. When the grinding wheel needs to be replaced and installed, only the connecting shaft 5 or the butt flange seat 8 is needed to be used as a stress point, the upper rotating arm 10, the lower rotating arm 12 and the connecting shaft 5 or the butt flange seat 8 are flexibly rotated under the assistance of the three groups of deep groove ball bearings 1, and the relative included angles between the upper rotating arm 10 and the lower rotating arm 12 are synchronously and flexibly rotated around the connecting shaft 5 so as to obtain the distance between the inner ends of the upper rotating arm 10 and the lower rotating arm 12, namely the distance that the grinding wheel sleeved on the screw of the butt flange head 11 moves out from the static position above the original bottom bracket 6, and the grinding wheel is accurately and rapidly docked to the grinding wheel frame installation position. Therefore, the auxiliary grinding wheel supporting device occupies less space adjacent to the grinding wheel frame in the equipment when standing and contracting static state, and can freely rotate and retract when needed. Therefore, the practical requirements of safely stacking the grinding wheels and conveniently moving the grinding wheels are met.

In the embodiment of the utility model, under static state, the upper rotating arm 10 is positioned right above the lower rotating arm 12, the connecting block 3, the upper shaft 4 and the bottom bracket 6 are coaxial, the grinding wheel is used as an additional load, and the gravity center of the grinding wheel is as close to the central axes of the connecting block 3, the upper shaft 4 and the bottom bracket 6 as possible; in a dynamic rotary stretching state, the grinding wheel can move to a far end with the central axes of the connecting block 3, the upper shaft 4 and the bottom bracket 6 as circle centers and the total length of the upper rotating arm 10 and the lower rotating arm 12 as a radius.

In the embodiment of the utility model, the connecting block 3, the upper shaft 4 and the butt flange seat 8 can be made into an integral component.

In the embodiment of the present utility model, the lower rotating arm 12 and the connection shaft 5 may be made as an integral member.

In an embodiment of the utility model, the bottom bracket 6 and the mounting base 9 may be made as a unitary member.

In the embodiment of the utility model, the total height from the central axis of the butt flange seat 8 to the bottom surface of the mounting seat 9 is 700mm. The maximum hanging weight of the butt flange head 11 is 90KG. Preferably, the hexagon socket head cap screw 18 and the set screw 20 are mounted with a sealing glue. The cover plate 2 needs to be sealed with grease in the cavity before being mounted.

The utility model has been described above in connection with the accompanying drawings, which are intended to be illustrative of the present application, and are not to be construed as limiting the present application. The scope of the utility model is defined by the appended claims and equivalents thereof. The present utility model is not limited to the above-described embodiments.

Claims

1. The grinding wheel auxiliary supporting device of the cylindrical grinding machine equipment comprises a deep groove ball bearing (1), an upper shaft (4), a connecting shaft (5), a bottom bracket (6), a butt flange seat (8), a mounting seat (9), an upper rotating arm (10), a butt flange head (11) and a lower rotating arm (12); the device is characterized in that a bottom support (6) is fixed on the upper side of a mounting seat (9), the top end of the vertical bottom support (6) is connected with the inner end of a horizontally arranged lower rotating arm (12) through a first group of deep groove ball bearings (1), the upper side of the outer end of the lower rotating arm (12) is further connected with the outer end of a horizontally arranged upper rotating arm (10) through a second group of deep groove ball bearings (1) at the upper end through a connecting shaft (5), the upper side of the inner end of the upper rotating arm (10) is connected with a vertical butt flange seat (8) through a third group of deep groove ball bearings (1), and a butt flange head (11) is mounted on the butt flange seat (8).

2. The grinding wheel auxiliary supporting device of a cylindrical grinding machine equipment according to claim 1, characterized in that each set of deep groove ball bearings (1) comprises four deep groove ball bearings (1).

3. The auxiliary grinding wheel supporting device of the cylindrical grinding machine equipment according to claim 1, wherein the upper side of the inner end of the upper rotating arm (10) is fixedly connected with the butt flange seat (8) through the upper shaft (4).

4. The auxiliary grinding wheel supporting device of the cylindrical grinding machine equipment according to claim 1, characterized in that the butt flange seat (8) is provided with a safety latch (14), a shifting fork (15) and a cylindrical elastic pin (16).

5. The auxiliary supporting device for the grinding wheel of the cylindrical grinding machine equipment according to claim 1, wherein the bearing cover (13) is pressed and connected on the outer side of the installation position of the deep groove ball bearing (1) through a hexagon socket head cap screw (18).

6. The auxiliary supporting device for the grinding wheel of the cylindrical grinding machine equipment according to claim 1, wherein the lower end of the connecting shaft (5) is inserted into a middle hole at the outer end of the lower rotating arm (12), and an inner hexagonal cylindrical head screw (18) is connected to the lower end of the connecting shaft (5) in a penetrating way from the bottom side of the middle hole at the outer end of the lower rotating arm (12) upwards through an embedded gasket (7); the lower end of the bottom bracket (6) is inserted into a middle hole of the mounting seat (9), and an inner hexagonal cylindrical head screw (18) is connected to the lower end of the bottom bracket (6) in a penetrating way through an embedded gasket (7) upwards from the bottom side of the middle hole of the mounting seat (9).

7. The auxiliary supporting device for the grinding wheel of the cylindrical grinding machine equipment according to claim 1, wherein the lower end of the bottom bracket (6) is sleeved with a lock nut (17) and then inserted into a hole in the mounting seat (9).

8. The auxiliary grinding wheel supporting device of the cylindrical grinding machine equipment according to claim 1, wherein the outer walls of the outer ends of the mounting seat (9) and the lower rotating arm (12) are respectively provided with a set screw (20).

9. The auxiliary supporting device for the grinding wheel of the cylindrical grinding machine equipment according to claim 1, wherein a hexagonal head bolt and a hexagonal nut (19) are arranged on the outer wall of the inner end of the upper rotating arm (10), and the inner ends of the hexagonal head bolt and the hexagonal nut (19) are propped between the lined adjacent deep groove ball bearings (1); the outer wall of the outer end of the upper rotating arm (10) is provided with a hexagon head bolt and a hexagon nut (19), and the inner ends of the hexagon head bolt and the hexagon nut (19) are propped between the lined adjacent deep groove ball bearings (1); the outer wall of the inner end of the lower rotating arm (12) is provided with a hexagon head bolt and a hexagon nut (19), and the inner ends of the hexagon head bolt and the hexagon nut (19) are propped between the lining adjacent deep groove ball bearings (1).

10. The grinding wheel auxiliary supporting device of the cylindrical grinding machine equipment according to claim 1, wherein sleeve structures are respectively arranged at two ends of the upper rotating arm (10) and the lower rotating arm (12), and cover plates (2) are respectively arranged at the bottom surface of the inner end of the upper rotating arm (10), the top surface of the outer end of the upper rotating arm (10), the top surface of the inner end of the lower rotating arm (12) and the bottom surface of the outer end of the lower rotating arm (12).