CN218440468U - Ball screw sealing device - Google Patents

Abstract

The utility model discloses a ball sealing device, which comprises a mounting bas, set up the mounting hole that a plurality of symmetries set up on the mount pad, be equipped with the through-hole on the mount pad, be equipped with the ball sleeve pipe on the lateral wall of mount pad one side, the through-hole is located the ball sleeve intraductally, the one end that the mount pad was kept away from to the ball sleeve pipe is equipped with the nut, be equipped with between through-hole and ball sleeve pipe and the nut with three matched with lead screw body, set up flutedly on the one end lateral wall that the ball sleeve pipe was kept away from to the mount pad, be equipped with the labyrinth sealing washer in the recess, the labyrinth sealing washer cover is established and is cooperateed at lead screw body outside and with the ball sleeve pipe. The utility model discloses a make two internal thread rings push away two movable blocks respectively and draw close to the centre to make standing groove and labyrinth sealing circle contact on two movable block relative lateral walls, realize the quick fixed mounting to labyrinth sealing circle, dismantle the installation of labyrinth sealing circle and bring the convenience for later stage people.

Description

Ball screw sealing device

Technical Field

The utility model relates to a ball technical field especially relates to a ball sealing device.

Background

The ball screw is an ideal product for converting rotary motion into linear motion or converting linear motion into rotary motion, is the most commonly used transmission element on tool machinery and precision machinery, has the main function of converting rotary motion into linear motion or converting torque into axial repeated acting force, and has the characteristics of high precision, reversibility and high efficiency. Ball screws are widely used in various industrial equipments and precision instruments due to their small frictional resistance.

Ball generally all can seal it when using, in order to prevent that foreign matter or suspension dust from getting into, increase the rolling frictional force of ball, reduce ball's life, when dismantling the sealing washer among the prior art, generally all will form a plurality of fixing bolt on the mount pad by two half with earlier and twist and move, make two half separation, take out the sealing washer again, rethread specialized tool comes to carry out twisting one by one again to a plurality of fixing bolt and moves, the operation is comparatively complicated, when bringing inconvenience for people, a plurality of bolts twist in proper order and move, the linkage nature of device has been reduced, the device of being not convenient for is used widely.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the ball sealing device who proposes draws close to the centre through making two internal thread rings push away two movable blocks respectively to make standing groove and labyrinth seal contact on two movable block relative lateral walls, realize the quick fixed mounting to the labyrinth seal, dismantle the installation of labyrinth seal and bring the convenience for later stage people, and a ball sealing device who proposes.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a ball screw sealing device, includes the mount pad, set up the mounting hole that a plurality of symmetries set up on the mount pad, be equipped with the through-hole on the mount pad, be equipped with the ball sleeve pipe on the lateral wall of mount pad one side, the through-hole is located the ball sleeve intraductally, the one end that the mount pad was kept away from to the ball sleeve pipe is equipped with the nut, be equipped with the lead screw body with three matched with between through-hole and ball sleeve pipe and the nut, set up flutedly on the lateral wall of the ball sleeve pipe one end is kept away from to the mount pad, be equipped with the labyrinth seal circle in the recess, the labyrinth seal circle cover is established and is cooperateed at the lead screw body outside and with the ball sleeve pipe, be equipped with the fixed establishment who is used for fixing the labyrinth seal circle in the recess, all be equipped with the connecting block on the lateral wall of mount pad both sides, two the cavity has all been seted up between connecting block and the mount pad, be equipped with the moving mechanism who is used for removing fixed establishment between cavity and the recess.

Preferably, the fixing mechanism comprises two symmetrically-arranged moving blocks which are slidably connected in the groove, arc-shaped surfaces are formed in opposite side walls of the two moving blocks, placing grooves are formed in the two arc-shaped surfaces, and the labyrinth sealing rings are located in the two placing grooves.

Preferably, the moving mechanism comprises an internal thread ring which is connected between the chamber and the groove in a penetrating and sliding mode, one end, located in the groove, of the internal thread ring is arranged on the side wall of the moving block, threaded rods are arranged on the two side walls of the chamber, and one end, far away from the side wall of the chamber, of each threaded rod extends into the internal thread ring and is in threaded connection with the internal thread ring.

Preferably, two the connecting block all is equipped with the dwang, a plurality of with the nut upper end all be equipped with the belt pulley on the dwang outer wall, it is a plurality of connect through belt transmission between the belt pulley.

Preferably, be located two the dwang lower extreme on the connecting block all runs through the connecting block and extends to in the cavity, two the dwang all is equipped with bevel gear, homonymy two on being located the outer wall of the terminal and the threaded rod of one end in the cavity bevel gear between be the engaged state.

Preferably, the upper end of the internal thread ring is provided with a limiting rod, and the limiting rod is connected with the top in the cavity in a sliding mode.

The utility model has the advantages that:

1. through making two internal thread rings push away two movable blocks respectively and draw close to the centre to make standing groove and labyrinth sealing circle contact on two movable block relative lateral walls, realize the quick fixed mounting to labyrinth sealing circle, it is convenient to bring for later stage people to the installation dismantlement of labyrinth sealing circle.

2. Through the dwang of rotating nut upper end, under the transmission effect through a plurality of belt pulleys and belt between a plurality of dwang outer walls, make two dwang on two connecting blocks rotate to make the bevel gear of two dwang lower extremes rotate, under the meshing effect through between two bevel gears of homonymy, make the threaded rod take place to rotate, realize the promotion to two movable blocks, easy operation improves the linkage nature of device, and the device of being convenient for uses widely.

Drawings

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

FIG. 2 is a schematic sectional view of a part of the structure of the present invention;

fig. 3 is a schematic cross-sectional view of the inner structure of the mounting base of the present invention.

In the figure: the structure comprises a mounting seat 1, a mounting hole 2, a lead screw body 3, a nut 4, a groove 5, a moving block 6, a ball sleeve 7, an internal thread ring 8, a cavity 9, a connecting block 10, a rotating rod 11, a belt pulley 12, a placing groove 13, a labyrinth seal ring 14, a threaded rod 15, a bevel gear 16 and a limiting rod 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a ball screw sealing device, including mount pad 1, mount pad 1 is last to be seted up a plurality of mounting holes 2 that the symmetry set up, be equipped with the through-hole on mount pad 1, be equipped with ball sleeve 7 on the lateral wall of 1 one side of mount pad, the through-hole is located ball sleeve 7, ball sleeve 7 keeps away from the one end of mount pad 1 and is equipped with nut 4, be equipped with three matched with lead screw body 3 between through-hole and ball sleeve 7 and the nut 4, set up recess 5 on the one end lateral wall of mount pad 1 keeping away from ball sleeve 7, be equipped with labyrinth sealing ring 14 in recess 5, labyrinth sealing ring 14 cover is established in lead screw body 3 outside and is cooperateed with ball sleeve 7, be equipped with the fixed establishment that is used for fixing labyrinth sealing ring 14 in the recess 5, fixed establishment includes two movable block 6 that the symmetry set up in recess 5 of sliding connection, the arcwall has all been seted up on the relative lateral wall of two movable block 6, standing groove 13 has all been seted up on two arcwall, labyrinth sealing ring 14 is located two standing grooves 13.

All be equipped with connecting block 10 on the lateral wall of 1 both sides of mount pad, cavity 9 has all been seted up between two connecting blocks 10 and the mount pad 1, be equipped with the moving mechanism that is used for moving fixed establishment between cavity 9 and the recess 5, moving mechanism is including running through the interior screw ring 8 of sliding connection between cavity 9 and recess 5, the one end that interior screw ring 8 is located recess 5 sets up on the lateral wall of movable block 6, all be equipped with threaded rod 15 on two cavity 9 lateral walls, threaded rod 15 is kept away from the one end of cavity 9 lateral wall and is stretched into in interior screw ring 8 and rather than threaded connection, interior screw ring 8 upper end is equipped with gag lever post 17, top sliding connection in gag lever post 17 and the cavity 9, through making two interior screw rings 8 push away two movable blocks 6 respectively and draw close to the centre, thereby make standing groove 13 and labyrinth sealing ring 14 contact on the relative lateral wall of two movable blocks 6, realize the quick fixed mounting to labyrinth sealing ring 14, it brings the convenience to dismantle the installation of labyrinth sealing ring 14 for later stage people.

Two connecting blocks 10 all are equipped with dwang 11 with nut 4 upper end, all be equipped with belt pulley 12 on a plurality of dwang 11 outer walls, connect through belt transmission between a plurality of belt pulleys 12, dwang 11 lower extreme that is located on two connecting blocks 10 all runs through connecting block 10 and extends to in the cavity 9, two dwang 11 are located all to be equipped with bevel gear 16 on the terminal outer wall with threaded rod 15 of one end in the cavity 9, be meshing state between two bevel gear 16 of homonymy, dwang 11 through swivel nut 4 upper end, under the transmission effect through a plurality of belt pulleys 12 and belt between a plurality of dwang 11 outer walls, make two dwang 11 on two connecting blocks 10 rotate, thereby make bevel gear 16 of two dwang 11 lower extremes rotate, under the meshing effect between two bevel gear 16 of homonymy, make threaded rod 15 take place to rotate, realize the promotion to two movable blocks 6, and operation is simple, the linkage nature of the improvement device, and the device of being convenient for use widely.

The utility model discloses during the use, when installing labyrinth seal 14, only need to establish labyrinth seal 14 cover at lead screw body 3 outsidely, and remove it to being in same horizontal plane with two standing groove 13, the dwang 11 of swivel nut 4 upper end, under the transmission effect through a plurality of belt pulleys 12 and belt between a plurality of dwang 11 outer walls, make two dwang 11 on two connecting blocks 10 rotate, thereby make the bevel gear 16 of two dwang 11 lower extremes rotate, under the meshing effect through between two bevel gear 16 of homonymy, make threaded rod 15 take place to rotate, the threaded connection effect of rethread threaded rod 15 and interior screwed ring 8, and under the sliding connection at top in interior screwed ring 8 upper end gag lever post 17 and the cavity 9, make interior screwed ring 8 remove on threaded rod 15 outer wall, thereby make two interior screwed ring 8 push away two movable blocks 6 respectively and draw close to the centre relative lateral wall, thereby make standing groove 13 and labyrinth seal 14 contact on two movable blocks 6, realize the quick fixed mounting to labyrinth seal 14, it brings the convenience to people to the installation dismantlement of labyrinth seal 14 for later stage.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a ball screw sealing device, includes mount pad (1), its characterized in that, set up mounting hole (2) that a plurality of symmetries set up on mount pad (1), be equipped with the through-hole on mount pad (1), be equipped with ball sleeve pipe (7) on the lateral wall of mount pad (1) one side, the through-hole is located ball sleeve pipe (7), the one end that mount pad (1) were kept away from in ball sleeve pipe (7) is equipped with nut (4), be equipped with between through-hole and ball sleeve pipe (7) and nut (4) with three matched with lead screw body (3), set up recess (5) on the one end lateral wall that ball sleeve pipe (7) were kept away from in mount pad (1), be equipped with labyrinth seal circle (14) in recess (5), all be equipped with connecting block (10) on the lateral wall of mount pad (1) both sides, two labyrinth seal circle (14) cover is established and is cooperateed with ball sleeve pipe (7) outside and is equipped with the fixed establishment that is used for carrying out the labyrinth seal circle (14) and carry out fixed establishment between cavity (9) and the moving mechanism.

2. The ball screw sealing device according to claim 1, wherein the fixing mechanism includes two symmetrically arranged moving blocks (6) slidably connected in the groove (5), arc-shaped surfaces are respectively formed on opposite side walls of the two moving blocks (6), placing grooves (13) are respectively formed on the two arc-shaped surfaces, and the labyrinth sealing rings (14) are located in the two placing grooves (13).

3. A ball screw seal according to claim 2, characterised in that the moving mechanism comprises an internally threaded ring (8) slidably connected between the chamber (9) and the groove (5), the end of the internally threaded ring (8) located in the groove (5) is arranged on the side wall of the moving block (6), threaded rods (15) are arranged on both side walls of the chamber (9), and the end of the threaded rod (15) far away from the side wall of the chamber (9) extends into the internally threaded ring (8) and is in threaded connection therewith.

4. The ball screw sealing device according to claim 3, wherein two connecting blocks (10) and the upper end of the nut (4) are provided with rotating rods (11), the outer walls of the rotating rods (11) are provided with belt pulleys (12), and the plurality of belt pulleys (12) are in transmission connection through a belt.

5. The ball screw sealing device according to claim 4, wherein the lower ends of the rotating rods (11) on the two connecting blocks (10) extend through the connecting blocks (10) and into the cavity (9), and the ends of the two rotating rods (11) in the cavity (9) and the outer wall of the threaded rod (15) are provided with bevel gears (16), and the two bevel gears (16) on the same side are engaged.

6. A ball screw sealing device according to claim 5, characterized in that the upper end of the internally threaded ring (8) is provided with a limiting rod (17), and the limiting rod (17) is slidably connected with the inner top of the chamber (9).

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