CN224182809U

CN224182809U - An automatic workpiece hanger for a grinding machine

Info

Publication number: CN224182809U
Application number: CN202521126180.8U
Authority: CN
Inventors: 彭磊平; 侯伟军
Original assignee: Yueji Guangzhou Electromechanical Equipment Co ltd
Current assignee: Yueji Guangzhou Electromechanical Equipment Co ltd
Priority date: 2025-06-04
Filing date: 2025-06-04
Publication date: 2026-05-01
Anticipated expiration: 2035-06-04

Abstract

The utility model relates to the technical field of retractors for grinding machines, in particular to an automatic workpiece traction device for grinding machines, which comprises a connecting seat, wherein three threaded rods are connected to the outer surface of the connecting seat in a threaded manner, hand wheels are fixedly connected to the outer surfaces of the three threaded rods, a plurality of friction grooves are formed in the outer surfaces of the three hand wheels, mounting blocks are movably connected to the inner side surfaces of the three threaded rods through bearings, springs are movably sleeved on the outer surfaces of the three threaded rods, arc-shaped connecting plates are fixedly connected to the inner wall surfaces of the three mounting blocks, and motor output shafts are jointly clamped to the inner wall surfaces of the three arc-shaped connecting plates. According to the automatic workpiece traction device for the grinding machine, the self-adaptive clamping of workpieces with different diameters is realized through the radial adjustable arc-shaped connecting plates and the springs, the maintenance time is shortened through the modularized quick-dismantling design, the friction force is enhanced through the crossed net-shaped anti-skid lines, and the processing flexibility and efficiency are improved.

Description

Automatic workpiece hanging device for grinding machine

Technical Field

The utility model relates to the technical field of retractors for grinding machines, in particular to an automatic workpiece retractor for a grinding machine.

Background

The Chinese patent with the issued publication number of CN217225080U3 discloses a novel automatic traction device of a grinding machine, and the novel automatic traction device comprises a traction disc 2 fixed at one end of a connecting seat 1, a jack 4 arranged at the center of one side of the traction disc, three photoelectric induction switches 5 arranged on the inner wall at equal intervals, and three fixing devices 3 arranged on the side at equal intervals and electrically connected with the traction disc. The fixer 3 consists of a fixed block 10, a connecting column 15 and a traction block 17, wherein a servo motor 12 in a cavity 11 of the fixed block 10 drives a screw rod 13 to be matched with a threaded hole 16 of the connecting column 15, and an arc-shaped groove 18 is formed in the traction block 17 at the other end of the connecting column 15;

The structure of the patent realizes the traction function of a workpiece to a certain extent, but still has the following problems that 1, in the issued patent, a motor output shaft 7 is clamped through a motor hole 6 and a limiting hole 8, but the motor output shaft 7 with all diameters cannot be matched, the adaptation capability of motor output shafts with different diameters is weak, 2, in the issued patent, main components such as a connecting seat 1 and a traction disc 2 are directly fixed, when one component is damaged, the fixed part is required to be disassembled by means of various tools, the process is complicated, and other components are possibly damaged due to improper disassembly.

Disclosure of utility model

The utility model mainly aims to provide an automatic workpiece traction device for a grinding machine, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides an automatic hanger that pulls in of work piece for grinding machine, includes the connecting seat, the surface threaded connection of connecting seat has three threaded rod, and is three the equal fixedly connected with hand wheel of surface of threaded rod, three a plurality of friction groove has all been seted up to the surface of hand wheel, and is three the medial surface of threaded rod all has the installation piece through bearing swing joint, and is three the equal movable sleeve of surface of threaded rod is equipped with the spring, is three the equal fixedly connected with arc connecting plate of internal face of installation piece, three the joint has motor output shaft jointly to the internal face of arc connecting plate.

Preferably, the right-hand member fixedly connected with connection pad of connecting seat, the locating hole of feedthrough about a plurality of has been seted up to the left end of connection pad, a plurality of all be provided with the screw in the locating hole, the right-hand member joint of connection pad has the traction disc, the screw hole of feedthrough about a plurality of has been seted up to the left end of traction disc, the right-hand member fixedly connected with of traction disc a plurality of connecting rod, a plurality of the connecting rod is all kept away from the fixed circle of the common fixedly connected with of one end of screw hole, the through-hole of feedthrough about having been seted up to the left end of fixed circle.

Preferably, one end of each of the three springs is fixedly connected with the outer side surfaces of the three mounting blocks, and the other end of each of the three springs is fixedly connected with the inner wall surface of the connecting seat.

Preferably, the three threaded rods are uniformly distributed circumferentially with the central axis of the connecting seat as a reference, and the included angle between adjacent threaded rods is 120 degrees.

Preferably, the inner wall surfaces of the three arc-shaped connecting plates are provided with anti-skid patterns, and the anti-skid patterns are of a cross reticular structure.

Preferably, the connecting disc and the connecting seat are of an integrated structure, and the outer diameter of the connecting disc is 20mm larger than that of the connecting seat.

Preferably, the plurality of positioning holes and the plurality of threaded holes are distributed in a central annular array of the connecting disc and the traction disc.

Preferably, the plurality of screws penetrate through the plurality of positioning holes and are in threaded connection with the plurality of threaded holes.

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

1. According to the utility model, by combining the three radial adjustable arc-shaped connecting plates with the spring buffer structure, the self-adaptive clamping of the motor output shafts with different diameters is realized, the clamping force error is greatly reduced, and the compatibility of workpieces with multiple specifications is obviously improved.

2. In the utility model, the connecting seat and the traction disc of the authorized patent are of an integrated structure, and the device needs to be integrally disassembled during maintenance, and the device adopts the combined design of the detachable connecting disc, the traction disc and the threaded holes, so that the traction disc can be quickly disassembled and replaced without complex tools, and the risk of secondary damage caused by integral disassembly is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall front view of an automatic workpiece hanger for a grinding machine according to the present utility model;

FIG. 2 is a schematic diagram of the overall left-hand structure of an automatic workpiece hanger for a grinding machine according to the present utility model;

FIG. 3 is a schematic view of the overall explosive structure of an automatic workpiece hanger for grinding machines according to the present utility model;

FIG. 4 is a schematic diagram showing the overall rear view of an automatic workpiece hanger for a grinding machine according to the present utility model.

In the figure, 1, a connecting seat; 2, a threaded rod, 3, a hand wheel, 4, a friction groove, 5, a mounting block, 6, a spring, 7, an arc-shaped connecting plate, 8, a motor output shaft, 9, a connecting disc, 10, a positioning hole, 11, a screw, 12, a traction disc, 13, a threaded hole, 14, a connecting rod, 15, a fixed round block, 16 and a through hole.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "configured to," "connected," and the like are to be construed broadly as, for example, "connected" may be fixedly connected, may be detachably connected, or integrally connected, may be mechanically connected or electrically connected, may be directly connected or indirectly connected through an intermediate medium, and may 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 automatic workpiece traction device for the grinding machine comprises a connecting seat 1, wherein three threaded rods 2 are connected with the outer surface of the connecting seat 1 in a threaded mode, hand wheels 3 are fixedly connected to the outer surfaces of the three threaded rods 2, a plurality of friction grooves 4 are formed in the outer surfaces of the three hand wheels 3, mounting blocks 5 are movably connected to the inner side surfaces of the three threaded rods 2 through bearings, springs 6 are movably sleeved on the outer surfaces of the three threaded rods 2, arc-shaped connecting plates 7 are fixedly connected to the inner wall surfaces of the three mounting blocks 5, motor output shafts 8 are fixedly connected to the inner wall surfaces of the three arc-shaped connecting plates 7 in a clamping mode, one ends of the three springs 6 are fixedly connected with the outer side surfaces of the three mounting blocks 5, the other ends of the three springs are fixedly connected with the inner wall surfaces of the connecting seat 1, the three threaded rods 2 are uniformly distributed circumferentially with the central axis of the connecting seat 1 as a reference, included angles between the adjacent threaded rods 2 are 120 degrees, and anti-skid patterns are formed in the inner wall surfaces of the three arc-shaped connecting plates 7.

Through the scheme, an operator drives the threaded rod 2 to axially move by rotating the hand wheel 3, three threaded rods 2 which are circumferentially distributed at 120 degrees synchronously drive the mounting blocks 5 to radially displace, when the arc-shaped connecting plates 7 contact the motor output shaft 8, the springs 6 start to store force and provide pretightening force, the three arc-shaped connecting plates 7 are ensured to uniformly apply force, the crossed reticular anti-skid lines increase friction force, the clamping is more reliable, the hand wheel 3 is reversely rotated, and when the hand wheel is required to be disassembled, the springs 6 reset to assist the arc-shaped connecting plates 7 to be quickly separated from a workpiece.

In the embodiment, the right end of a connecting seat 1 is fixedly connected with a connecting disc 9, the left end of the connecting disc 9 is provided with a plurality of left and right through positioning holes 10, screws 11 are arranged in the plurality of positioning holes 10, the right end of the connecting disc 9 is clamped with a traction disc 12, the left end of the traction disc 12 is provided with a plurality of left and right through threaded holes 13, the right end of the traction disc 12 is fixedly connected with a plurality of connecting rods 14, one ends of the plurality of connecting rods 14, which are far away from the threaded holes 13, are fixedly connected with a fixed round block 15 together, the left end of the fixed round block 15 is provided with left and right through holes 16, the connecting disc 9 and the connecting seat 1 are of an integrated structure, the outer diameter of the connecting disc 9 is 20mm larger than the outer diameter of the connecting seat 1, the plurality of positioning holes 10 and the plurality of threaded holes 13 are distributed in a central annular array of the connecting disc 9 and the traction disc 12, and the plurality of screws 11 are connected with the plurality of threaded holes 13 in a threaded mode.

According to the technical scheme, the connecting seat 1 is connected with the traction disc 12 through the integrally formed connecting disc 9, the outer diameter of the connecting disc 9 is 20mm larger than that of the connecting seat 1, a stepped locating surface is formed, the axis alignment precision during installation is ensured, locating holes 10 distributed in an annular array are fixed with threaded holes 13 through screws 11, when the traction disc 12 needs to be installed, the locating holes 10 are clamped at the right end of the connecting disc 9, the locating holes 10 are coaxially aligned with the threaded holes 13, the screws 11 penetrate through the locating holes 10 to be screwed into the threaded holes 13, the rigid connection is realized by the pretightening force of a thread pair, the traction disc 12 is fixedly connected with a fixed round block 15 through a connecting rod 14, the through holes 16 are used for penetrating through a workpiece or a transmission part, a complete force transmission path is formed, torque of a motor output shaft 8 is transmitted to the workpiece through the connecting seat 1-connecting disc 9-screws 11-the traction disc 12-connecting rod 14, the fixed round block 15 is only required to be unscrewed by the screws 11 during disassembly, the traction disc 12 and the connecting disc 9 are required to be integrally replaced when a single part is damaged, the annular array of screws 11 is required to be distributed uniformly, single-point stress is avoided, and the connection reliability is improved.

In the use process, firstly, the connecting seat 1 is butted with a main shaft of the grinding machine through the connecting disc 9, the screw 11 penetrates through the positioning hole 10 and the threaded hole 13 to ensure that the traction disc 12 is coaxial with the main shaft, the hand wheel 3 is rotated to drive the threaded rod 2 to axially move to drive the mounting block 5 to radially shrink, the three arc-shaped connecting plates 7 are synchronously close to the motor output shaft 8, the spring 6 provides buffering and cross-net-shaped anti-skid friction force to realize self-adaptive clamping, the torque of the motor output shaft 8 is transmitted to the workpiece through the arc-shaped connecting plates 7, the mounting block 5, the threaded rod 2, the connecting seat 1, the connecting disc 9, the traction disc 12, the connecting rod 14 and the fixed round block 15, the traction disc 12 can be separated by unscrewing the screw 11 during maintenance, the corresponding threaded rod 2 can be replaced with the arc-shaped connecting plate 7 to realize modularized maintenance, and the process realizes automatic adaptation, high-precision coaxiality control and quick type conversion of workpieces with different diameters through mechanical linkage and modularized structure, and the flexibility and efficiency of the grinding machine processing are remarkably improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The automatic workpiece traction device for the grinding machine comprises a connecting seat (1) and is characterized in that three threaded rods (2) are connected to the outer surface of the connecting seat (1) in a threaded mode, hand wheels (3) are fixedly connected to the outer surfaces of the threaded rods (2), a plurality of friction grooves (4) are formed in the outer surfaces of the hand wheels (3), installation blocks (5) are movably connected to the inner side surfaces of the threaded rods (2) through bearings, springs (6) are movably sleeved on the outer surfaces of the threaded rods (2), arc-shaped connecting plates (7) are fixedly connected to the inner wall surfaces of the installation blocks (5), and motor output shafts (8) are fixedly connected to the inner wall surfaces of the arc-shaped connecting plates (7) in a joint mode.

2. The automatic workpiece traction device for the grinding machine, as set forth in claim 1, is characterized in that the right end of the connecting seat (1) is fixedly connected with a connecting disc (9), the left end of the connecting disc (9) is provided with a plurality of left and right through positioning holes (10), a plurality of left and right through positioning holes (10) are respectively internally provided with screws (11), the right end of the connecting disc (9) is clamped with a traction disc (12), the left end of the traction disc (12) is provided with a plurality of left and right through threaded holes (13), the right end of the traction disc (12) is fixedly connected with a plurality of connecting rods (14), one ends of the connecting rods (14) far away from the threaded holes (13) are fixedly connected with fixed round blocks (15) together, and the left end of the fixed round blocks (15) is provided with left and right through holes (16).

3. The automatic workpiece hanger for a grinding machine according to claim 1, wherein one end of each of the three springs (6) is fixedly connected with the outer side surfaces of the three mounting blocks (5), and the other end is fixedly connected with the inner wall surface of the connecting seat (1).

4. The automatic workpiece hanger for a grinding machine according to claim 1, wherein three threaded rods (2) are uniformly distributed circumferentially with reference to the central axis of the connecting seat (1), and an included angle between adjacent threaded rods (2) is 120 degrees.

5. The automatic workpiece hanger for a grinding machine according to claim 1, wherein the inner wall surfaces of the three arc-shaped connecting plates (7) are provided with anti-skid patterns, and the anti-skid patterns are of a cross net structure.

6. The automatic workpiece hanger for grinding machines according to claim 2, wherein the connecting disc (9) and the connecting seat (1) are of an integrally formed structure, and the outer diameter of the connecting disc (9) is 20mm larger than the outer diameter of the connecting seat (1).

7. The automatic workpiece hanger for a grinding machine according to claim 2, wherein the plurality of positioning holes (10) and the plurality of threaded holes (13) are distributed in a central annular array of the connecting disc (9) and the traction disc (12).

8. The automatic workpiece hanger for a grinding machine according to claim 2, wherein the plurality of screws (11) penetrate through the plurality of positioning holes (10) and are in threaded connection with the plurality of threaded holes (13).