CN212122401U

CN212122401U - Clamp for bearing machining

Info

Publication number: CN212122401U
Application number: CN202020782401.8U
Authority: CN
Inventors: 陶震杰
Original assignee: Jiashan Sanding Machinery Co ltd
Current assignee: Jiashan sanding Machinery Co., Ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-12-11
Anticipated expiration: 2030-05-12

Abstract

The utility model relates to the technical field of bearing processing, in particular to a clamp for bearing processing, which comprises a positioning table, an inner ring positioning mechanism and a rotary driving mechanism, wherein a bottom transverse plate is arranged below the positioning table, the rotary driving mechanism is arranged at the top of the bottom transverse plate, the inner ring positioning mechanism comprises a hollow rotary cylinder and an inner ring tensioning assembly, a table top of the positioning table is provided with a first bearing which runs through the upper surface and the lower surface, a material placing plate is arranged at the top extending end of the hollow rotary cylinder, the inner ring tensioning assembly is arranged inside the hollow rotary cylinder, the inner ring tensioning assembly comprises a plurality of extrusion plates which are positioned above the material placing plate and can be abutted against the inner ring of the bearing, the plurality of extrusion plates are uniformly distributed along the circumferential direction of the material placing plate, the working end of the rotary driving mechanism is connected with the center of the bottom of the hollow rotary cylinder, the device has simple operation and small, the processing efficiency is improved.

Description

Clamp for bearing machining

Technical Field

The utility model relates to a bearing processing technology field, concretely relates to anchor clamps are used in bearing processing.

Background

The Bearing (Bearing) is an important part in the modern mechanical equipment, and its main function is to support the mechanical rotating body, reduce the friction coefficient (friction coefficient) in the movement process, and ensure the rotation precision (accuracy), but it should be supported, i.e. it is used to support the shaft literally, but this is only a part of its function, and the support is able to bear the radial load, it can also be understood that it is used to fix the shaft, the Bearing is fast, easy and automatic, and the selection is recorded, that is, the fixing shaft only can realize the rotation, and control the axial and radial movement, the Bearing is more in variety, one of the bearings needs to chamfer and polish the Bearing steel ring in the production process, firstly the Bearing steel ring is positioned by the clamp, usually the positioning is performed by the chuck on the machine tool, then the milling cutter is used to process the machine tool, the occupied area is larger, moreover, the positioning needs manual operation, and the efficiency is affected, so that the clamp for machining the bearing is provided, so as to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anchor clamps are used in bearing processing, this equipment easy operation, area is little, can not need manual operation to fix a position automatically, improves machining efficiency.

To achieve the purpose, the utility model adopts the following technical proposal:

provides a clamp for processing a bearing, which comprises a positioning table, an inner ring positioning mechanism and a rotary driving mechanism, the below of location platform is equipped with the bottom diaphragm, rotary driving mechanism installs the top of bottom diaphragm, inner circle positioning mechanism includes cavity rotary drum and inner circle tensioning assembly, the mesa of location platform is equipped with the first bearing on two sides about running through, cavity rotary drum is vertical and can the pivoted insert the inner circle of locating first bearing, the lower extreme downwardly extending of cavity rotary drum, the upper end of cavity rotary drum extends to the top of location platform, the top extension end of cavity rotary drum is equipped with the blowing dish, inner circle tensioning assembly sets up the inside at cavity rotary drum, inner circle tensioning assembly includes a plurality of stripper plates that lie in the top of blowing dish and can conflict bearing inner circle, a plurality of stripper plate is along the circumferencial direction evenly distributed of blowing dish, rotary driving mechanism's work end is located with the bottom center of cavity rotary drum and is connected.

Preferably, the inner ring tensioning assembly further comprises a first motor, a threaded column and a screw rod sliding sleeve, a second bearing penetrating through the upper surface and the lower surface is arranged at the center of the bottom of the material placing tray, one end of the threaded column can be rotatably inserted into the inner ring of the second shaft sleeve, the other end of the threaded column extends upwards and vertically, the screw rod sliding sleeve is arranged on the threaded column, the screw rod sliding sleeve is in threaded connection with the threaded column, the upper end of the screw rod sliding sleeve is respectively hinged with a hinged connecting rod corresponding to each extrusion plate one by one, one end of each hinged connecting rod, far away from the screw rod sliding sleeve, extends towards the upper end of the inner side of each extrusion plate respectively, the extending end of each hinged connecting rod is hinged with the inner wall of each extrusion plate respectively, a limiting block is arranged at the top of the threaded column, the first motor is vertically arranged inside the hollow rotary cylinder, the output end of the first, the third bearing is connected with the positioning table through a partition plate.

Preferably, one end of each extrusion plate, which is close to the material placing disc, is provided with a limiting slide block extending downwards, and the material placing disc is provided with a rectangular limiting slide groove for each limiting slide block to slide.

Preferably, the outer wall of each extrusion plate is provided with a rubber layer capable of abutting against the bearing inner ring.

Preferably, the rotary driving mechanism comprises a second motor, a first bevel gear, a second bevel gear and a rotary shaft, wherein the rotary shaft is vertically arranged below the hollow rotary cylinder, the top of the rotary shaft is connected with the bottom center of the hollow rotary cylinder, the first bevel gear is horizontally arranged on the rotary shaft, the second bevel gear is vertically arranged on one side of the first bevel gear, the first bevel gear is meshed with the second bevel gear, the second motor is horizontally arranged on one side of the second bevel gear, the output end of the second motor is connected with the center of the second bevel gear, and the bottom of the second motor is arranged on a bottom transverse plate.

Preferably, a downwardly extending guide rod is arranged at the center of the bottom of the first bevel gear, a fourth bearing corresponding to the guide rod is arranged on the bottom transverse plate, and the extending end of the guide rod can be rotatably inserted into an inner ring of the fourth bearing.

The utility model has the advantages that: a bearing processing clamp comprises a material placing disc, a screw column, a screw rod sliding sleeve, a rubber layer and a hollow rotating cylinder, wherein a screw rod sliding sleeve is arranged on the material placing disc, the screw rod sliding sleeve drives the lower ends of all hinged connecting rods to move upwards, the upper ends of all hinged connecting rods drive each extrusion plate to move in an opening mode respectively, a limiting sliding block on each extrusion plate moves in a limiting mode along each limiting sliding groove respectively, each rubber layer is arranged to abut against the inner ring of a bearing workpiece respectively when all the extrusion plates move in the opening mode, the bearing workpiece is positioned, the rubber layers are made of rubber materials and prevent excessive clamping and skid resistance, when the positioned bearing workpiece needs to be processed, a second conical tooth, a first conical tooth and a rotating shaft are driven to rotate simultaneously through a second motor, the rotating shaft drives the hollow rotating cylinder to rotate and the material placing disc to rotate, and the positioned bearing workpiece can be processed through a milling cutter, the guide rod makes the hollow rotary cylinder rotate more stably.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic perspective view of a first embodiment of the present invention;

fig. 2 is a top view of an embodiment of the present invention;

fig. 3 is a cross-sectional view taken along a-a of fig. 2 according to an embodiment of the present invention;

fig. 4 is an enlarged view of the portion B in fig. 3 according to an embodiment of the present invention;

fig. 5 is a schematic partial perspective view of an inner ring positioning mechanism according to an embodiment of the present invention.

In the figure: 1-a positioning table; 2-bottom transverse plate; 3-a hollow rotating cylinder; 4-a first bearing; 5-a first motor; 6-a threaded post; 7-a screw rod sliding sleeve; 8-a second bearing; 9-a hinged link; 10-a limiting block; 11-a limiting slide block; 12-rectangular limiting sliding chutes; 13-a rubber layer; 14-a second electric machine; 15-a first bevel gear; 16-second taper teeth; 17-a rotating shaft; 18-a guide bar; 19-a fourth bearing; 20-placing a tray; 21-pressing plate.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the fixture for processing a bearing comprises a positioning table 1, an inner ring positioning mechanism and a rotary driving mechanism, wherein a bottom transverse plate 2 is arranged below the positioning table 1, the rotary driving mechanism is arranged on the top of the bottom transverse plate 2, the inner ring positioning mechanism comprises a hollow rotary cylinder 3 and an inner ring tensioning assembly, a first bearing 4 penetrating through the upper surface and the lower surface of the positioning table 1 is arranged on the table surface of the positioning table 1, the hollow rotary cylinder 3 is vertically and rotatably inserted into an inner ring of the first bearing 4, the lower end of the hollow rotary cylinder 3 extends downwards, the upper end of the hollow rotary cylinder 3 extends towards the upper part of the positioning table 1, a material placing plate 20 is arranged at the extending end of the top of the hollow rotary cylinder 3, the inner ring tensioning assembly is arranged inside the hollow rotary cylinder 3, the inner ring tensioning assembly comprises a plurality of extrusion plates 21 which are arranged above the material placing plate, the extrusion plates 21 are uniformly distributed along the circumferential direction of the material placing tray 20, and the working end of the rotary driving mechanism is connected with the center of the bottom of the hollow rotary drum 3.

The inner ring tensioning assembly further comprises a first motor 5, a threaded column 6 and a screw rod sliding sleeve 7, a second bearing 8 penetrating through the upper surface and the lower surface is arranged at the center of the bottom of the discharging tray 20, one end of the threaded column 6 is rotatably inserted into the inner ring of the second shaft sleeve, the other end of the threaded column 6 extends upwards and vertically, the screw rod sliding sleeve 7 is arranged on the threaded column 6, the screw rod sliding sleeve 7 is in threaded connection with the threaded column 6, the upper end of the screw rod sliding sleeve 7 is respectively hinged with a hinged connecting rod 9 corresponding to each extrusion plate 21 one by one, one end of each hinged connecting rod 9, far away from the screw rod sliding sleeve 7, extends towards the upper end of the inner side of each extrusion plate 21, the extending end of each hinged connecting rod 9 is respectively hinged with the inner wall of each extrusion plate 21, the top of the threaded column 6 is provided with a limiting block 10, the first motor 5 is vertically arranged inside the hollow rotary, the outer ring of the lower end of the hollow rotating cylinder 3 is provided with a third bearing, and the third bearing is connected with the positioning table 1 through a partition plate.

Every the one end that stripper plate 21 is close to blowing dish 20 is equipped with downwardly extending's limiting slide 11 respectively, be equipped with the gliding rectangle limiting slide 12 that is used for supplying every limiting slide 11 on the blowing dish 20 respectively, during the operation, the staff places the bearing work piece on blowing dish 20, it is rotatory to drive screw post 6 through first motor 5, screw post 6 drives lead screw sliding sleeve 7 rebound, lead screw sliding sleeve 7 drives the lower extreme rebound of all articulated connecting rods 9, the upper end of all articulated connecting rods 9 drives every stripper plate 21 respectively and opens the removal, limiting slide 11 on every stripper plate 21 carries out limiting movement along every limiting slide respectively.

The outer wall of each extrusion plate 21 is provided with a rubber layer 13 capable of abutting against the inner ring of the bearing, when all extrusion plates 21 are opened to move, each rubber layer 13 is arranged to abut against the inner ring of the bearing workpiece, so that the bearing workpiece is positioned, and the rubber layers 13 are made of rubber materials, so that excessive clamping and skid resistance are prevented.

The rotary driving mechanism comprises a second motor 14, first bevel teeth 15, second bevel teeth 16 and a rotating shaft 17, wherein the rotating shaft 17 is vertically arranged below the hollow rotating cylinder 3, the top of the rotating shaft 17 is connected with the center of the bottom of the hollow rotating cylinder 3, the first bevel teeth 15 are horizontally arranged on the rotating shaft 17, the second bevel teeth 16 are vertically arranged on one side of the first bevel teeth 15, the first bevel teeth 15 are meshed with the second bevel teeth 16, the second motor 14 is horizontally arranged on one side of the second bevel teeth 16, the output end of the second motor 14 is connected with the center of the second bevel teeth 16, and the bottom of the second motor 14 is arranged on the bottom transverse plate 2.

The bottom center department of first awl tooth 15 is equipped with downwardly extending's guide bar 18, be equipped with the fourth bearing 19 that corresponds with guide bar 18 on the bottom diaphragm 2, the extension end of guide bar 18 can the pivoted insert the inner circle of locating fourth bearing 19, when the bearing work piece after the location needs to add man-hour, drive second awl tooth 16 simultaneously through second motor 14, first awl tooth 15 and rotation of rotation axis 17, rotation axis 17 drives the rotatory and blowing dish 20 of cavity revolving drum 3 rotatory simultaneously and rotates, and then make the rotatory and accessible milling cutter of bearing work piece after the location process, the guide bar 18 that sets up makes the rotatory more stable of cavity revolving drum 3.

The working principle is as follows: during operation, a worker places a bearing workpiece on the material placing disc 20, the threaded column 6 is driven to rotate by the first motor 5, the threaded column 6 drives the screw rod sliding sleeve 7 to move upwards, the screw rod sliding sleeve 7 drives the lower ends of all the hinged connecting rods 9 to move upwards, the upper ends of all the hinged connecting rods 9 respectively drive each extrusion plate 21 to move in an opening mode, the limiting sliding block 11 on each extrusion plate 21 respectively carries out limiting movement along each limiting sliding groove, when all the extrusion plates 21 move in an opening mode, each set rubber layer 13 respectively props against the inner ring of the bearing workpiece, so that the bearing workpiece is positioned, the rubber layers 13 are made of rubber materials and prevent clamping and skid resistance, when the positioned bearing workpiece needs to be machined, the second conical teeth 16, the first conical teeth 15 and the rotating shaft 17 are simultaneously driven to rotate by the second motor 14, and the rotating shaft 17 simultaneously drives the hollow rotating cylinder 3 to rotate and the material placing disc, further, the positioned bearing work is rotated and can be processed by a milling cutter, and the guide bar 18 is provided to further stabilize the rotation of the hollow rotary cylinder 3.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a anchor clamps are used in bearing processing which characterized in that: the device comprises a positioning table (1), an inner ring positioning mechanism and a rotary driving mechanism, wherein a bottom transverse plate (2) is arranged below the positioning table (1), the rotary driving mechanism is arranged at the top of the bottom transverse plate (2), the inner ring positioning mechanism comprises a hollow rotary cylinder (3) and an inner ring tensioning assembly, a first bearing (4) penetrating through the upper surface and the lower surface of the positioning table (1) is arranged on a table top, the hollow rotary cylinder (3) is vertical and can be rotatably inserted into an inner ring of the first bearing (4), the lower end of the hollow rotary cylinder (3) extends downwards, the upper end of the hollow rotary cylinder (3) extends towards the upper part of the positioning table (1), a material placing plate (20) is arranged at the extending end of the top of the hollow rotary cylinder (3), the inner ring tensioning assembly is arranged inside the hollow rotary cylinder (3), the inner ring tensioning assembly comprises a plurality of extrusion plates (21) which are positioned above the material placing plate (20) and can abut, the extrusion plates (21) are uniformly distributed along the circumferential direction of the material placing disc (20), and the working end of the rotary driving mechanism is connected with the center of the bottom of the hollow rotary cylinder (3).

2. The jig for bearing machining according to claim 1, characterized in that: the inner ring tensioning assembly further comprises a first motor (5), a threaded column (6) and a screw rod sliding sleeve (7), a second bearing (8) penetrating through the upper surface and the lower surface is arranged at the center of the bottom of the material placing disc (20), one end of the threaded column (6) can be rotatably inserted into an inner ring of the second shaft sleeve, the other end of the threaded column (6) extends upwards and vertically, the screw rod sliding sleeve (7) is arranged on the threaded column (6), the screw rod sliding sleeve (7) is in threaded connection with the threaded column (6), the upper end of the screw rod sliding sleeve (7) is respectively hinged with hinged connecting rods (9) which are in one-to-one correspondence with each extrusion plate (21), one end, far away from the screw rod sliding sleeve (7), of each hinged connecting rod (9) extends towards the upper end of the inner side of each extrusion plate (21), the extending end of each hinged connecting rod (9) is hinged with the inner wall of each extrusion plate (21) respectively, first motor (5) are vertical installs in the inside of the rotatory section of thick bamboo of cavity (3), and the output of first motor (5) is connected with the lower extreme of screw thread post (6), and the lower extreme outer lane of the rotatory section of thick bamboo of cavity (3) is equipped with the third bearing, and the third bearing passes through the baffle to be connected with location platform (1).

3. The jig for bearing machining according to claim 2, characterized in that: one end of each extrusion plate (21) close to the material placing disc (20) is provided with a limiting slide block (11) extending downwards, and the material placing disc (20) is provided with a rectangular limiting slide groove (12) for each limiting slide block (11) to slide.

4. The jig for bearing machining according to claim 3, characterized in that: the outer wall of each extrusion plate (21) is provided with a rubber layer (13) capable of abutting against the bearing inner ring.

5. The jig for bearing machining according to claim 4, characterized in that: the rotary driving mechanism comprises a second motor (14), first bevel teeth (15), second bevel teeth (16) and a rotary shaft (17), wherein the rotary shaft (17) is vertically arranged below the hollow rotary cylinder (3), the top of the rotary shaft (17) is connected with the center of the bottom of the hollow rotary cylinder (3), the first bevel teeth (15) are horizontally arranged on the rotary shaft (17), the second bevel teeth (16) are vertically arranged on one side of the first bevel teeth (15), the first bevel teeth (15) are meshed with the second bevel teeth (16), the second motor (14) is horizontally arranged on one side of the second bevel teeth (16), the output end of the second motor (14) is connected with the center of the second bevel teeth (16), and the bottom of the second motor (14) is arranged on the bottom transverse plate (2).

6. The jig for bearing machining according to claim 5, characterized in that: the bottom center of the first bevel gear (15) is provided with a guide rod (18) extending downwards, a bottom transverse plate (2) is provided with a fourth bearing (19) corresponding to the guide rod (18), and the extending end of the guide rod (18) can be rotatably inserted into an inner ring of the fourth bearing (19).