CN215659021U

CN215659021U - A special fixture for machining bearing seat of washing machine

Info

Publication number: CN215659021U
Application number: CN202122050623.8U
Authority: CN
Inventors: 张剑伟
Original assignee: Wuxi Jinlan Machinery Co ltd
Current assignee: Wuxi Jinlan Machinery Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-01-28
Anticipated expiration: 2031-08-27

Abstract

The utility model is suitable for the technical field of washing machine processing, and provides a special fixture for processing a bearing seat of a washing machine, which comprises a base, a rotary table, a helical gear, a lead screw, a stepping motor, a sliding block, an arc plate, a positioning ring and a locking bolt, wherein the base is rotationally connected with the rotary table through a rotating groove, so that the angle of the rotary table on the base can be conveniently adjusted, and further, a to-be-processed part on the bearing seat can be conveniently aligned to a machine tool; meanwhile, the gear ring is arranged on the lower surface of the turntable, the bevel gear is in transmission connection with the gear ring, and the gear ring is driven to rotate through a rotating rod on the bevel gear, so that the rotating angle of the turntable can be adjusted more conveniently; the rotating disc is provided with a plurality of motor-driven lead screws, the lead screws can drive the sliding blocks to move, the bearing seat is tightly held by the arc plates on the sliding blocks, the bearing seat is prevented from loosening during processing, the motor is driven more labor-saving, and the clamping is more accurate; the arc plate is provided with a positioning surface, and the positioning ring is installed on the central thread of the rotating disc, so that the positioning precision of the bearing seat is improved, and the machining precision is further improved.

Description

Special clamp for processing bearing seat of washing machine

Technical Field

The utility model belongs to the technical field of washing machine processing, and particularly relates to a special fixture for processing a bearing seat of a washing machine.

Background

In the technical field of current washing machine processing, a bearing seat is an essential part in a washing machine roller, and a turntable bearing seat is a large-scale and super-large-scale bearing seat which can accept comprehensive load and has a special structure, and has the characteristics of compact structure, sensitive rotation, convenient device maintenance and the like. The bearing is provided with a supporting point, the inner supporting point of the bearing is a shaft, and the outer supporting is a bearing seat.

In the processing of washing machine bearing frame nowadays, need to process after carrying out the centre gripping to the bearing frame, present lack the special fixture of bearing frame, cause the bearing frame to add stability relatively poor man-hour, the machining precision is not enough, and machining efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The utility model provides a special clamp for processing a bearing seat of a washing machine, and aims to solve the problems of poor stability, low processing precision and low processing efficiency in the processing of the bearing seat mentioned in the background.

The utility model is realized in this way, and a special fixture for processing a bearing seat of a washing machine comprises a base, a turntable, a helical gear, a lead screw, a stepping motor, a sliding block, an arc-shaped plate, a positioning ring and a locking bolt.

A rotating groove is formed in the base, and the rotary disc is rotatably installed in the rotating groove.

The rotary table is internally provided with an installation cavity, and the upper surface of the rotary table is provided with a plurality of sliding grooves communicated with the installation cavity.

The sliding grooves are uniformly arranged around the center of the turntable.

The mounting cavity is internally provided with a mounting frame, the screw rods are rotatably mounted on the mounting frame, and the screw rods are provided with first gears.

The sliding blocks are connected to the corresponding sliding grooves in a sliding mode, and the lower surfaces of the sliding blocks are provided with matching blocks.

The lower surface of the matching block is provided with a plane thread matched with the screw rod, and the matching block is connected with the corresponding screw rod through the plane thread.

The stepping motor is installed in the installation cavity, and a gear II matched with the gear I is installed on the stepping motor.

The second gear is meshed with the first gears.

Preferably, the arc plate with the arc surface is mounted on the sliding block.

The arc-shaped plate is provided with a positioning surface, and a gasket is embedded on the side surface of the arc-shaped plate.

Preferably, the center of the upper surface of the turntable is provided with a threaded hole.

The positioning ring is in threaded connection with the threaded hole, and the height of the positioning ring is higher than that of the positioning surface.

Preferably, the turntable is provided with a gear ring.

The rotary table is characterized in that a rotary rod is rotatably connected to the side wall of the base, one end of the rotary rod penetrates through the side wall of the base, a helical gear is installed in the rotary groove, and a rotary wheel is installed at the other end of the rotary groove.

The bevel gear is in transmission connection with the gear ring.

Preferably, one end of the locking bolt is in threaded connection with the side wall of the base and then provided with the contact block, and the other end of the locking bolt is provided with the handle.

Preferably, the outer wall of the base is provided with a fixed edge.

The fixing edge is provided with a fixing hole penetrating through the fixing edge.

Compared with the prior art, the utility model has the beneficial effects that: according to the special fixture for processing the bearing seat of the washing machine, the base is rotatably connected with the rotary table through the rotary groove, so that the angle of the rotary table on the base can be conveniently adjusted, and further, a to-be-processed part on the bearing seat can be conveniently aligned to a machine tool; meanwhile, the gear ring is arranged on the lower surface of the turntable, the bevel gear is in transmission connection with the gear ring, and the gear ring is driven to rotate through a rotating rod on the bevel gear, so that the rotating angle of the turntable can be adjusted more conveniently; the rotating disc is provided with a plurality of motor-driven lead screws, the lead screws can drive the sliding blocks to move, the bearing seat is tightly held by the arc plates on the sliding blocks, the bearing seat is prevented from loosening during processing, the motor is driven more labor-saving, and the clamping is more accurate; the arc-shaped plate is provided with a positioning surface, and the central thread of the rotating disc is provided with a positioning ring, so that the positioning precision of the bearing seat is improved, and the machining precision is further improved; the base is in threaded connection with a locking bolt, the rotating disc is prevented from moving during machining through the fact that a collision block on the locking bolt collides with the rotating disc, and the fixing effect is higher; and the fixture has comprehensive functions, simple operation and firm fixation, and is more worthy of popularization and use.

Drawings

FIG. 1 is a schematic overall structure of the present invention;

FIG. 2 is a top plan view of the present invention as a whole;

FIG. 3 is an enlarged view of the utility model at A in FIG. 1;

FIG. 4 is an enlarged view of the present invention at B of FIG. 1;

in the figure: 1. a base; 101. a rotating groove; 102. fixing the edge; 103. a fixing hole; 2. a turntable; 201. a mounting cavity; 202. a ring gear; 203. a sliding groove; 204. a mounting frame; 205. a threaded hole; 3. a helical gear; 301. rotating the rod; 302. a rotating wheel; 4. a lead screw; 401. a first gear; 5. a stepping motor; 501. a second gear; 6. a slider; 601. a matching block; 602. a planar thread; 7. an arc-shaped plate; 701. a gasket; 702. positioning the surface; 8. a positioning ring; 9. locking the bolt; 901. and a contact block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a special fixture for processing a bearing seat of a washing machine comprises a base 1, a rotary table 2, a helical gear 3, a lead screw 4, a stepping motor 5, a sliding block 6, an arc-shaped plate 7, a positioning ring 8 and a locking bolt 9, wherein a rotary groove 101 is formed in the base 1, the rotary table 2 is rotatably installed in the rotary groove 101, an installation cavity 201 is formed in the rotary table 2, a plurality of sliding grooves 203 communicated with the installation cavity 201 are formed in the upper surface of the rotary table 2, the plurality of sliding grooves 203 are uniformly arranged around the center of the rotary table 2, an installation frame 204 is arranged in the installation cavity 201, the plurality of lead screws 4 are rotatably installed on the installation frame 204, a first gear 401 is installed on each lead screw 4, the plurality of sliding blocks 6 are slidably connected with the corresponding plurality of sliding grooves 203, a matching block 601 is arranged on the lower surface of the sliding block 6, a plane thread 602 matched with the lead screw 4 is arranged on the lower surface of the matching block 601, the corresponding matching block 601 is in threaded connection with the plurality of lead screws 4 through the plane thread 602, the stepping motor 5 is arranged in the installation cavity 201, a gear II 501 matched with the gear I401 is arranged on the stepping motor 5, the gear II 501 is meshed with the gear I401, and the arc plate 7 with the arc surface is arranged on the sliding block 6.

Wherein, carousel 2 can rotate at rotation groove 101, be convenient for adjust the angle of carousel 2, slider 6 can slide in sliding tray 203, step motor 5 passes through two 501 drive a plurality of lead screws 4 of gear and rotates, a plurality of lead screws 4 turn into the transverse force through self through plane screw 602 with the turning force, it removes to drive a plurality of sliders 6, when step motor 5 drives a plurality of lead screws 4 forward rotations, the distance between a plurality of sliders 6 reduces, hold the outer wall of bearing frame tightly through arc 7, prevent that the bearing frame from taking place not hard up at the during operation, when step motor 5 drives a plurality of lead screws 4 antiport, keep away from each other between a plurality of sliders 6, loosen the bearing frame.

The arc plate 7 is provided with a positioning surface 702, and a gasket 701 is embedded on the side surface of the arc plate 7.

The positioning surface 702 is used for contacting the lower surface of the bearing seat to support the bearing seat, the gasket 701 is made of copper, the gasket 701 contacts the outer wall of the bearing seat, and the gasket 701 made of copper is soft, so that the bearing seat can be prevented from being crushed.

The center of the upper surface of the turntable 2 is provided with a threaded hole 205, the positioning ring 8 is in threaded connection with the threaded hole 205, and the height of the positioning ring 8 is higher than that of the positioning surface 702.

In addition, holding ring 8 is used for fixing a position the bearing frame, and bearing frame joint holding ring 8, holding ring 8 highly be higher than the height of locating surface 702 simultaneously, prevents that holding ring 8 from not contacting the bearing frame, and 8 threaded connection screw holes 205 of holding ring, dismouting holding ring 8 are more convenient, can change the holding ring 8 of different diameters according to the bearing frame of different models simultaneously, and application scope is wider.

The outer wall of the base 1 is provided with a fixed edge 102, and the fixed edge 102 is provided with a fixed hole 103 penetrating through the fixed edge 102.

In addition, the fixing edge 102 can be fixed on the machine tool by the matched bolt passing through the fixing hole 103, so that the base 1 is prevented from moving during processing to influence the processing precision, and the vibration of the clamp during working can be relieved.

Referring to fig. 3, one end of the locking bolt 9 is screwed to the sidewall of the base 1 and then is installed with a contact block 901, and the other end is installed with a handle.

Further, rotate locking bolt 9 through the handle, through the lateral wall of 9 threaded connection bases of locking bolt, turn into the transverse force through the turning force, and then contradict the outer wall of carousel 2 through touch block 901, prevent that carousel 2 from taking place to rotate at the during operation, influencing the machining precision.

Referring to fig. 4, a gear ring 202 is disposed on the turntable 2, a rotating rod 301 is rotatably connected to the side wall of the base 1, one end of the rotating rod 301 penetrates through the side wall of the base 1, a helical gear 3 is installed in the rotating groove 101, a rotating wheel 302 is installed at the other end of the rotating rod 301, and the helical gear 3 is in transmission connection with the gear ring 202.

Specifically, bevel gear 3 transmission connection ring gear 202 holds runner 302 and rotates dwang 301, and bevel gear 3 follows the rotation, drives ring gear 202 and rotates, and then drives carousel 2 and rotates, and it is more laborsaving to adjust the angle of bearing housing on carousel 2.

The working principle and the using process of the utility model are as follows: after the installation of the utility model, the bearing seat is placed on the turntable 2, the positioning ring 8 is clamped with the bearing seat to limit the position of the bearing seat, meanwhile, the ground of the bearing seat contacts the ground of the bearing seat, when the stepping motor 5 rotates forwards, the second gear 501 is meshed with the first gears 401 to drive the plurality of lead screws 4 to rotate forwards, the plane thread 602 is further driven to convert the rotating force into a transverse force to drive the matching block 601 and the sliding blocks 6 to slide in the sliding grooves 203, the distance between the plurality of sliding blocks 6 is reduced, the bearing seat is clasped by the plurality of arc plates 7, the locking bolt 9 is rotated by a handle to loosen the turntable 2, the rotating wheel 302 is held by hand to rotate the rotating rod 301, the bevel gear 3 rotates to drive the gear ring 202 to rotate, the turntable 2 is further driven to rotate, the angle of the bearing seat on the turntable 2 is adjusted, after the adjustment is completed, the locking bolt 9 is rotated, the locking bolt 9 is abutted against the outer wall of the turntable 2 by the abutting block 901, fixed rotating disk 2, through the lathe to the bearing frame processing back, step motor 5 reverses, and a plurality of lead screws 4 reverse, and a plurality of sliders 6 are kept away from each other, unclamp the bearing frame.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A special fixture for processing a bearing seat of a washing machine, characterized in that it comprises a base (1), a turntable (2), a helical gear (3), a lead screw (4), a stepping motor (5), a sliding block (6), arc plate (7), positioning ring (8) and locking bolt (9);

The base (1) is provided with a rotation groove (101), and the turntable (2) is rotatably installed in the rotation groove (101);

An installation cavity (201) is opened in the turntable (2), and a plurality of sliding grooves (203) communicating with the installation cavity (201) are formed on the upper surface of the turntable (2);

A plurality of the sliding grooves (203) are evenly arranged around the center of the turntable (2);

A mounting bracket (204) is arranged in the mounting cavity (201), a plurality of the lead screws (4) are rotatably mounted on the mounting bracket (204), and a gear 1 (204) is mounted on the lead screws (4). 401);

A plurality of the sliding blocks (6) are slidably connected to a plurality of the corresponding sliding grooves (203), and a matching block (601) is provided on the lower surface of the sliding block (6);

The lower surface of the mating block (601) is provided with a plane thread (602) matched with the lead screw (4), and a plurality of the mating blocks (601) are threadedly connected to the corresponding a plurality of the lead screws (4);

The stepping motor (5) is installed in the installation cavity (201), and a second gear (501) matched with the first gear (401) is installed on the stepping motor (5);

The second gear (501) meshes with a plurality of the first gears (401).

2. A special fixture for machining a bearing seat of a washing machine according to claim 1, characterized in that: the arc-shaped plate (7) with an arc-shaped surface is mounted on the slider (6);

The arc-shaped plate (7) is provided with a positioning surface (702), and a gasket (701) is embedded in the side surface of the arc-shaped plate (7).

3. A special fixture for machining a bearing seat of a washing machine according to claim 2, wherein a threaded hole (205) is provided in the center of the upper surface of the turntable (2);

The positioning ring (8) is screwed to the threaded hole (205), and the height of the positioning ring (8) is higher than the height of the positioning surface (702).

4. A special fixture for machining a bearing seat of a washing machine according to claim 1, characterized in that: a ring gear (202) is provided on the turntable (2);

A rotating rod (301) is rotatably connected to the side wall of the base (1), and one end of the rotating rod (301) penetrates the side wall of the base (1) and is installed in the rotating groove (101). a gear (3), a runner (302) is installed at the other end;

The helical gear (3) is drivingly connected to the ring gear (202).

5. A special fixture for machining a washing machine bearing seat according to claim 1, characterized in that: one end of the locking bolt (9) is threadedly connected to the side wall of the base (1) and is installed with a resistance The block (901) is provided with a handle at the other end.

6. A special fixture for machining a washing machine bearing seat according to claim 1, characterized in that: a fixing edge (102) is installed on the outer wall of the base (1);

The fixing side (102) is provided with a fixing hole (103) penetrating the fixing side (102).