CN217252860U - Novel built-in composite electric spindle - Google Patents

Abstract

The utility model discloses an internally-mounted novel composite electric main shaft, which relates to the technical field of electric main shafts and comprises an electric main shaft, wherein a support rod is fixedly arranged on the electric main shaft, the inside of the support rod is rotatably connected with a rotary ball, the rotary ball is provided with a threading hole, the inside of the threading hole is slidably connected with a connecting wire, the connecting wire is fixedly connected with the inside of the support rod, the inside of the rotary ball is provided with a sealing device, the inside of the rotary ball is slidably connected with a push rod, the surface of the push rod is in contact with the surface of the connecting wire, two rubber pads are in contact with the surface of the connecting wire, thereby conveniently sealing the gap between the connecting wire and the threading hole, preventing external dust from entering the inside of the electric main shaft, improving the sealing effect of the threading hole, and simultaneously facilitating the disassembly of the connecting wire during maintenance, and then reduce the frictional force between rubber pad and the connecting wire, improve the convenience of dismantling the connecting wire.

Description

Novel built-in composite electric spindle

Technical Field

The utility model relates to an electricity main shaft technical field, in particular to novel compound electricity main shaft of built-in type.

Background

Electric spindle overview high-speed numerical control (CNC) is one of the technological bases and development directions of equipment manufacturing, and is a strategic industry of equipment manufacturing. The working performance of the high-speed numerical control machine tool firstly depends on the performance of a high-speed spindle, the high-speed electric spindle unit of the numerical control machine tool influences the precision, the stability and the application range of a processing system, and the power performance and the stability of the high-speed electric spindle unit play a key role in high-speed processing.

When controlling electric power and output power to electric main shaft, need use the connecting wire to connect, when the connecting wire is worn out from electric main shaft's inside, for the convenience of electric main shaft wears out, and then can set up the through wires hole, and then conveniently wear out the connecting wire from electric main shaft's inside, however some current electric main shafts are when using, the through wires hole to electric main shaft that can not be fine seals, and then cause outside dust or some impurity to enter into electric main shaft's inside easily, and then produce the influence to electric main shaft's use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least, provide the novel compound electricity main shaft of built-in formula, can solve the electricity main shaft when using, can not be fine seal the epaxial through wires hole of electricity main, and then cause the inside problem that outside dust or some impurity entered into the electricity main shaft easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel compound electricity main shaft of built-in, including electric main shaft, fixed mounting has the bracing piece on the electric main shaft, the inside of bracing piece is rotated and is connected with the rolling ball, the through wires hole has been seted up on the rolling ball, the inside sliding connection in through wires hole has the connecting wire, the inside fixed connection of connecting wire and bracing piece, the inside of rolling ball is provided with sealing device, the inside sliding connection of rolling ball has the push rod, the surface of push rod and the surface contact of connecting wire, two slides have been seted up on the inner wall of rolling ball, the equal sliding connection in inside of two slides has the slider, one side that two sliders are relative rotates with the push rod and is connected.

Preferably, sealing device includes two sliding connection and at the inside pull rod of rolling ball, and the one end that two pull rods are carried on the back mutually all slides and runs through the rolling ball and extend to the outside of rolling ball, and hidden groove has been seted up to the inside of through wires hole.

Preferably, the opposite ends of the two pull rods are fixedly provided with supporting plates.

Preferably, two the relative one end of backup pad all fixed mounting has the rubber pad, and the relative one side of two rubber pads and the surface contact of connecting wire.

Preferably, two the equal activity of surface of pull rod has cup jointed the spring, two spring relative one end respectively with two backup pad fixed connection, two spring back on the back one end respectively with two inside fixed connection who hides the groove.

Preferably, the slide way is internally provided with a tension spring, and one end of the tension spring, which is close to the slide block, is fixedly connected with the slide block.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this novel compound electricity main shaft of built-in, the surface contact of two rubber pads and connecting wire, and then the space department of convenient connecting wire and through wires hole seals, prevents that outside dust from entering into the inside of electricity main shaft, improves the sealed effect to the through wires hole, is convenient for dismantle the connecting wire in the maintenance simultaneously, and then reduces the frictional force between rubber pad and the connecting wire, improves the convenience of dismantling the connecting wire.

(2) This novel compound electricity main shaft of built-in type when electricity main shaft rocks, when making the connecting wire appear buckling, the connecting wire drives the rolling ball and rotates in the inside of bracing piece, and then makes the connecting wire be in the phenomenon of buckling, and then prevents that cracked phenomenon from appearing in the junction of connecting wire and electricity main shaft, improves the protection dynamics to the connecting wire, improves the life of connecting wire.

(3) This novel compound electricity main shaft of built-in, when the rolling ball resets, the push rod resets through the pulling force effect of extension spring, and then make the connecting wire be in the state of tightening again, conveniently make the connecting wire be in the state of tightening simultaneously in the rolling ball pivoted, provide tensile space for the connecting wire, reduce the connecting wire and be not in the state of tightening, cause the connecting wire to rock in the inside of electricity main shaft, and then cause the wearing and tearing between connecting wire and the electricity main shaft, thereby cause the damage of connecting wire, reduce the probability that the connecting wire rocked in electricity main shaft and bracing piece inside, reduce the wearing and tearing to the connecting wire, the life of connecting wire is improved.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural view of a novel built-in composite electric spindle according to the present invention;

FIG. 2 is an enlarged schematic view of the present invention at A in FIG. 1;

FIG. 3 is a schematic view of the interior of the ball of the present invention;

FIG. 4 is an enlarged schematic view of the present invention at B in FIG. 3;

fig. 5 is a schematic view of the slide of the present invention.

Reference numerals: 1. an electric spindle; 2. a connecting wire; 3. rotating the ball; 4. a support bar; 5. a push rod; 6. a pull rod; 7. threading holes; 8. a rubber pad; 9. a support plate; 10. a spring; 11. a tension spring; 12. hiding the groove; 13. a slideway; 14. a slide block.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the terms greater than, less than, exceeding, etc. are understood to exclude the number, and the terms above, below, inside, etc. are understood to include the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

The first embodiment is as follows:

referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a novel compound electricity main shaft of built-in, including electricity main shaft 1, fixed mounting has bracing piece 4 on electricity main shaft 1, the inside rotation of bracing piece 4 is connected with rolling ball 3, through wires hole 7 has been seted up on rolling ball 3, the inside sliding connection of through wires hole 7 has connecting wire 2, connecting wire 2 and bracing piece 4's inside fixed connection, when electricity main shaft 1 rocks, when making connecting wire 2 appear buckling, connecting wire 2 drives rolling ball 3 and rotates in the inside of bracing piece 4, and then make connecting wire 2 be in the phenomenon of buckling, and then prevent that connecting wire 2 and electricity main shaft 1's junction from appearing cracked phenomenon, improve the protection dynamics to connecting wire 2, improve connecting wire 2's life.

The inside of rolling ball 3 is provided with sealing device, sealing device includes two sliding connection at the inside pull rod 6 of rolling ball 3, two pull rod 6 one end that carry on the back mutually all slide and run through rolling ball 3 and extend to the outside of rolling ball 3, hidden groove 12 has been seted up to the inside of threading hole 7, the equal fixed mounting of the one end that two pull rod 6 are relative has backup pad 9, the equal fixed mounting of the one end that two backup pad 9 are relative has rubber pad 8, the surface contact of the one side that two rubber pads 8 are relative and connecting wire 2, spring 10 has been cup jointed in the equal activity in surface of two pull rod 6, the one end that two springs 10 are relative respectively with two backup pad 9 fixed connection, the one end that two springs 10 carried on the back mutually respectively with two inside fixed connection who hides groove 12.

When the space between the connecting wire 2 and the threading hole 7 is sealed, the two rubber pads 8 and the two supporting plates 9 are reset through the elastic force of the springs 10, so that the two rubber pads 8 are contacted with the surface of the connecting wire 2, when the connecting wire 2 is disassembled, the two pull rods 6 are pulled outwards so that the two pull rods 6 and the two support plates 9 move outwards, thereby pressing the two springs 10, and simultaneously leading the two rubber pads 8 to enter the hidden groove 12 and not to contact with the surface of the connecting wire 2, further conveniently sealing the gap between the connecting wire 2 and the threading hole 7, preventing external dust from entering the electric main shaft 1, improving the sealing effect on the threading hole 7, and simultaneously facilitating the disassembly of the connecting wire 2 during maintenance, and then reduce the frictional force between rubber pad 8 and the connecting wire 2, improve the convenience of dismantling connecting wire 2.

Example two;

referring to fig. 1-5, on the basis of the first embodiment, a push rod 5 is slidably connected inside the rotary ball 3, the surface of the push rod 5 contacts with the surface of the connecting wire 2, two slide ways 13 are disposed on the inner wall of the rotary ball 3, slide blocks 14 are slidably connected inside the two slide ways 13, one sides of the two slide blocks 14 opposite to each other are rotatably connected with the push rod 5, a tension spring 11 is installed inside the slide ways 13, and one end of the tension spring 11 close to the slide block 14 is fixedly connected with the slide block 14.

When the rotary ball 3 rotates, one end of the connecting wire 2 is fixed with the electric spindle 1, so that when the connecting wire 2 is stretched, the connecting wire 2 is pushed by the push rod 5 to move, the sliding block 14 slides in the slide way 13, the tension spring 11 is stretched, the connecting wire 2 is stretched, when the rotary ball 3 is reset, the push rod 5 is reset through the tension action of the tension spring 11, the connecting wire 2 is in a tightened state again, the connecting wire 2 is conveniently in the tightened state, meanwhile, when the rotary ball 3 rotates, a stretching space is provided for the connecting wire 2, when the connecting wire 2 is not in the tightened state, the connecting wire 2 shakes in the electric spindle 1, the abrasion between the connecting wire 2 and the electric spindle 1 is further caused, the connecting wire 2 is damaged, and the probability of shaking of the connecting wire 2 in the electric spindle 1 and the support rod 4 is reduced, reduce the wearing and tearing to connecting wire 2, improve connecting wire 2's life.

The working principle is as follows:

when sealing up between connecting wire 2 and through wires hole 7, two rubber pads 8 and two backup pads 9 reset through the spring action of spring 10, and then make the surface contact of two rubber pads 8 and connecting wire 2, when dismantling connecting wire 2, two pull rods 6 of outside pulling and then make two pull rods 6 and two backup pads 9 outwards remove, and then extrude two springs 10, make two rubber pads 8 enter into the inside of hiding groove 12 and the surface of connecting wire 2 no longer contact simultaneously.

When the rotary ball 3 rotates, one end of the connecting wire 2 is fixed with the electric spindle 1, and then when the connecting wire 2 is stretched, the connecting wire 2 pushes the push rod 5 to move, so that the sliding block 14 slides in the slide way 13, the tension spring 11 is stretched, and the connecting wire 2 is stretched, and when the rotary ball 3 is reset, the push rod 5 is reset through the tension action of the tension spring 11, and the connecting wire 2 is in a tightened state again.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (6)

1. The utility model provides a novel compound electricity main shaft of built-in type, includes electricity main shaft (1), its characterized in that: fixed mounting has bracing piece (4) on electricity main shaft (1), the inside of bracing piece (4) is rotated and is connected with rolling ball (3), through wires hole (7) have been seted up on rolling ball (3), the inside sliding connection of through wires hole (7) has connecting wire (2), the inside fixed connection of connecting wire (2) and bracing piece (4), the inside of rolling ball (3) is provided with sealing device, the inside sliding connection of rolling ball (3) has push rod (5), the surface of push rod (5) and the surface contact of connecting wire (2), two slides (13) have been seted up on the inner wall of rolling ball (3), the equal sliding connection in inside of two slides (13) has slider (14), one side that two sliders (14) are relative rotates with push rod (5) and is connected.

2. The built-in novel composite electric spindle according to claim 1, characterized in that: sealing device includes pull rod (6) of two sliding connection in rolling ball (3) inside, and the one end that two pull rod (6) carried on the back mutually all slides and runs through rolling ball (3) and extend to the outside of rolling ball (3), and hidden groove (12) have been seted up to the inside of through wires hole (7).

3. The built-in novel composite electric spindle according to claim 2, characterized in that: and one end of each of the two pull rods (6) opposite to each other is fixedly provided with a support plate (9).

4. The built-in novel composite electric spindle according to claim 3, characterized in that: two equal fixed mounting in the one end that backup pad (9) are relative has rubber pad (8), and the surface contact of one side and connecting wire (2) that two rubber pads (8) are relative.

5. The built-in novel composite electric spindle according to claim 4, characterized in that: two spring (10) have all been cup jointed in the activity on the surface of pull rod (6), and the one end that two springs (10) are relative respectively with two backup pad (9) fixed connection, the one end that two springs (10) carried on the back mutually respectively with the inside fixed connection of two hidden grooves (12).

6. The built-in novel composite electric spindle according to claim 1, characterized in that: the inside mounting of slide (13) has extension spring (11), and extension spring (11) are close to the one end and the slider (14) fixed connection of slider (14).

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