阅读说明：本技术 一种基于自重对中的转子托座 (Rotor bracket based on dead weight centering ) 是由 秦小燕 于 2020-12-23 设计创作，主要内容包括：本发明公开了一种基于自重对中的转子托座,包括底板,底板的中部成型有矩形的框体,框体内插设有承托座,框体两侧的底板上固定有横向的导轨,导轨上插套有滑座,导轨前、后侧的滑座上固定有横向的拉杆,滑座上设有竖直的调节板；所述承托座前、后侧的端面上成型有贯穿承托座下端面并呈等腰三角形的驱动槽,拉杆的一端穿过框体成型有直角形梯形状的楔块,楔块的上斜面上嵌置有若干滚珠,滚珠抵靠在驱动槽的两侧底面上。(The invention discloses a rotor bracket based on self-weight centering, which comprises a bottom plate, wherein a rectangular frame body is formed in the middle of the bottom plate, a bearing seat is inserted in the frame body, transverse guide rails are fixed on the bottom plates on two sides of the frame body, a sliding seat is inserted and sleeved on the guide rails, transverse pull rods are fixed on the sliding seats on the front side and the rear side of the guide rails, and a vertical adjusting plate is arranged on the sliding seat; the bearing seat is characterized in that a driving groove which penetrates through the lower end face of the bearing seat and is in an isosceles triangle shape is formed in the end faces of the front side and the rear side of the bearing seat, a right-angle trapezoidal wedge block is formed by one end of a pull rod penetrating through a frame body, a plurality of balls are embedded in the upper inclined face of the wedge block, and the balls are abutted against the bottom faces of the two sides of the driving groove.)

1. The utility model provides a rotor bracket based on dead weight centering, includes bottom plate (1), and the middle part shaping of bottom plate (1) has framework (1a) of rectangle, its characterized in that: a bearing seat (5) is inserted into the frame body (1a), transverse guide rails (2) are fixed on the bottom plates (1) at two sides of the frame body (1a), a sliding seat (3) is inserted and sleeved on the guide rails (2), transverse pull rods (6) are fixed on the sliding seats (3) at the front side and the rear side of the guide rails (2), and vertical adjusting plates (4) are arranged on the sliding seats (3); a driving groove (5a) which penetrates through the lower end face of the bearing seat (5) and is in an isosceles triangle shape is formed in the end face of the front side and the rear side of the bearing seat (5), a right-angle trapezoidal wedge block (6a) is formed by one end of a pull rod (6) penetrating through the frame body (1a), a plurality of balls (8) are embedded in the upper inclined face of the wedge block (6a), and the balls (8) abut against the bottom faces of the two sides of the driving groove (5 a);

the shaping has a plurality of counter bores (5b) under bearing seat (5) between drive groove (5a) on the terminal surface, and it has first spring (9) to peg graft in counter bore (5b), and the one end of first spring (9) is pressed on bearing seat (5), and the other end is pressed on bottom plate (1), horizontal V type notch (5c) of the up end of bearing seat (5), set up a plurality of fore-and-aft cylindrical roller (11) on the both sides bottom surface of V type notch (5 c).

2. The rotor bracket based on self-weight centering of claim 1, characterized in that: the upper end of the adjusting plate (4) is higher than the upper end face of the bearing seat (5).

3. A rotor bracket based on dead weight centering according to claim 2, characterized in that: slide (3) be located regulating plate (4) and support seat (5) between, it has guide bar (12) of a plurality of T types to peg graft on slide (3), the end of guide bar (12) is fixed on regulating plate (4), the plug bush has second spring (13) on guide bar (12), the one end of second spring (13) is supported and is leaned on slide (3), the other end supports and leans on the head at guide bar (12).

4. The rotor bracket based on self-weight centering of claim 1, characterized in that: the driving grooves (5a) on the front side and the rear side of the bearing seat (5) are internally inserted with a transverse third spring (7), the wedge block (6a) is formed with an insertion hole (6b), and two ends of the third spring (7) are respectively inserted into the insertion holes (6b) of the wedge block (6 a).

5. The rotor bracket based on self-weight centering of claim 1, characterized in that: a plurality of slots (5d) with arc-shaped cross sections are formed in the bottom surfaces of the two sides of the V-shaped notch (5c) on the bearing seat (5), the cylindrical roller (11) is inserted into the slot (5d) of the bearing seat (5), and the bottom surfaces of the two sides of the V-shaped notch (5c) are exposed at the upper end of the cylindrical roller (11); the cylindrical rollers (11) are linearly and uniformly distributed on the bearing seat (5).

6. The rotor bracket based on self-weight centering of claim 1, characterized in that: vertical spacing grooves (1b) are formed in the side walls of the left side and the right side of the frame body (1a), limiting pin shafts (10) are inserted in the spacing grooves (1b), and the limiting pin shafts (10) are inserted and fixed on the bearing seats (5).

7. The rotor bracket based on self-weight centering of claim 1, characterized in that: the upper inclined planes of the wedge blocks (6a) on the left side and the right side of the frame body (1a) are respectively parallel to the bottom surfaces on the two sides of the driving groove (5a) on the bearing seat (5).

Technical Field

The invention relates to the technical field of motor production tools, in particular to a rotor bracket based on self-weight centering.

Background

The rotor and the stator are important components of the motor, and the processing technology of the motor rotor comprises the following steps: the production line comprises a pressing shaft, an end plate, grooving paper, a commutator, a rotor winding, a first comprehensive inspection, a slot wedge, spot welding, paint dripping, a rough turning commutator, a fan blade pressing, balancing, a finish turning commutator, groove cleaning, a second comprehensive inspection and the like. At the inlet and outlet of partial working procedures, feeding is realized by clamping the iron core part of the rotor, the clamping position is the middle part of the iron core, and the bracket is positioned on the conveying roller, so that the rotor is required to be centered on the bracket, and the bracket mainly controls the centering of the rotor by using limiting baffles fixed on two sides of a bottom plate at present; however, the rotors have different models and specifications and different sizes, and each rotor needs to be provided with a corresponding bracket, so that a large number of brackets need to be remarked, and the production cost is high.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a rotor bracket based on self-weight centering, which has universality, can bear rotors with various specifications, and can realize automatic centering of the rotors by utilizing the self-weight of the rotors.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a rotor bracket based on self-weight centering comprises a bottom plate, wherein a rectangular frame body is formed in the middle of the bottom plate, a bearing seat is inserted in the frame body, transverse guide rails are fixed on the bottom plates on two sides of the frame body, sliding seats are inserted and sleeved on the guide rails, transverse pull rods are fixed on the sliding seats on the front side and the rear side of the guide rails, and vertical adjusting plates are arranged on the sliding seats; the end surfaces of the front side and the rear side of the bearing seat are formed with driving grooves which penetrate through the lower end surface of the bearing seat and are in an isosceles triangle shape, one end of the pull rod penetrates through the frame body to be formed with right-angle trapezoidal wedge blocks, a plurality of balls are embedded on the upper inclined surfaces of the wedge blocks, and the balls are abutted against the bottom surfaces of the two sides of the driving grooves;

the bearing seat between the driving grooves is provided with a plurality of counter bores in a molding mode, first springs are inserted in the counter bores, one ends of the first springs are pressed on the bearing seat, the other ends of the first springs are pressed on the bottom plate, the transverse groove openings of the upper end faces of the bearing seat are embedded with a plurality of longitudinal cylindrical rollers on the bottom faces of the two sides of the groove openings.

Preferably, the upper end of the adjusting plate is higher than the upper end face of the bearing seat.

Preferably, the slide seat is located between the adjusting plate and the bearing seat, a plurality of guide rods are inserted into the slide seat, the tail ends of the guide rods are fixed on the adjusting plate, a second spring is inserted into the guide rods, one end of the second spring abuts against the slide seat, and the other end of the second spring abuts against the head of the guide rods.

Preferably, a transverse third spring is inserted into the driving grooves at the front side and the rear side of the bearing seat, a jack is formed on the wedge block, and two ends of the third spring are respectively inserted into the jacks of the wedge block.

Preferably, a plurality of slots with arc-shaped cross sections are formed on the bottom surfaces of the two sides of the upper notch of the bearing seat, the cylindrical roller is inserted into the slot of the bearing seat, and the upper end of the cylindrical roller is exposed out of the bottom surfaces of the two sides of the upper notch of the bearing seat; the cylindrical rollers are linearly and uniformly distributed on the bearing seat.

Preferably, vertical limiting grooves are formed in the side walls of the left side and the right side of the frame body, limiting pin shafts are inserted in the limiting grooves and are fixed on the bearing seats in an inserting mode.

Preferably, the upper inclined planes of the wedges on the left side and the right side of the frame body are respectively parallel to the bottom surfaces on the two sides of the driving groove on the bearing seat.

The invention has the beneficial effects that: the bracket of its design possesses the commonality, can bear the rotor of multiple specification, can utilize the dead weight of rotor to realize the automatic centering to the rotor.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic cross-sectional view at B-B in fig. 2.

In the figure: 1. a base plate; 1a, a frame body; 1b, a limiting groove; 2. a guide rail; 3. a slide base; 4. an adjusting plate; 5. a bearing seat; 5a, a driving groove; 5b, counter bores; 5c, a V-shaped notch; 5d, inserting a slot; 6. a pull rod; 6a, a wedge block; 6b, a jack; 7. a third spring; 8. a ball bearing; 9. a first spring; 10. limiting the pin shaft; 11. a cylindrical roller; 12. a guide bar; 13. a second spring.

Detailed Description

Example (b): as shown in fig. 1 to 4, a rotor bracket based on self-weight centering comprises a bottom plate 1, a rectangular frame body 1a is formed in the middle of the bottom plate 1, a bearing seat 5 is inserted into the frame body 1a, transverse guide rails 2 are fixed on the bottom plate 1 at two sides of the frame body 1a, a sliding seat 3 is inserted and sleeved on the guide rails 2, transverse pull rods 6 are fixed on the sliding seats 3 at the front side and the rear side of the guide rails 2, and a vertical adjusting plate 4 is arranged on the sliding seat 3; a driving groove 5a which penetrates through the lower end face of the bearing seat 5 and is in an isosceles triangle shape is formed in the end face of the front side and the rear side of the bearing seat 5, a right-angle trapezoidal wedge block 6a is formed by one end of a pull rod 6 penetrating through the frame body 1a, a plurality of balls 8 are embedded on the upper inclined face of the wedge block 6a, and the balls 8 abut against the bottom faces of the two sides of the driving groove 5 a;

the shaping has a plurality of counter bores 5b on the bearing seat 5 lower extreme between the drive slot 5a, and it has first spring 9 to peg graft in the counter bore 5b, and the one end of first spring 9 presses on bearing seat 5, the other end presses on bottom plate 1, the horizontal V type notch 5c of up end of bearing seat 5 inlays on the both sides bottom surface of V type notch 5c and sets up a plurality of fore-and-aft cylindrical roller 11.

The upper end of the adjusting plate 4 is higher than the upper end face of the bearing seat 5.

The slide seat 3 is positioned between the adjusting plate 4 and the bearing seat 5, a plurality of T-shaped guide rods 12 are inserted into the slide seat 3, the tail ends of the guide rods 12 are fixed on the adjusting plate 4, a second spring 13 is inserted into the guide rods 12, one end of the second spring 13 abuts against the slide seat 3, and the other end of the second spring 13 abuts against the head of the guide rods 12.

And transverse third springs 7 are inserted into the driving grooves 5a on the front side and the rear side of the bearing seat 5, inserting holes 6b are formed in the wedge block 6a, and two ends of each third spring 7 are respectively inserted into the inserting holes 6b of the wedge block 6 a.

A plurality of slots 5d with arc-shaped cross sections are formed in the bottom surfaces of the two sides of the V-shaped slot 5c on the bearing seat 5, the cylindrical roller 11 is inserted into the slot 5d of the bearing seat 5, and the upper end of the cylindrical roller 11 is exposed out of the bottom surfaces of the two sides of the V-shaped slot 5 c; the cylindrical rollers 11 are linearly and uniformly distributed on the bearing seat 5.

Vertical limiting grooves 1b are formed in the side walls of the left side and the right side of the frame body 1a, limiting pin shafts 10 are inserted in the limiting grooves 1b, and the limiting pin shafts 10 are inserted and fixed on the bearing seats 5.

The upper inclined planes of the wedge blocks 6a at the left side and the right side of the frame body 1a are respectively parallel to the bottom surfaces at the two sides of the driving groove 5a on the bearing seat 5.

The working principle is as follows: the invention is a rotor bracket based on self-weight centering, rotors with various specifications can be placed on the rotor bracket, an iron core of the rotor is placed in a V-shaped notch 5c of a bearing bracket 5, the self-weight of the rotor can drive the bearing bracket 5 to descend, the bearing bracket 5 descends, and a wedge block 6a can be driven to move through a driving groove 5a, so that the sliding seat 3 can move towards the bearing bracket 5; the adjusting plate 4 will gradually contact with the two ends of the rotor shaft and push the rotor shaft, so that the iron core can move on the bearing seat 5, and the rotor is automatically centered on the rotor bracket.

The examples are intended to illustrate the invention, but not to limit it. The described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the appended claims should be accorded the full scope of the invention as set forth in the appended claims.