CN210253883U

CN210253883U - Dustproof ball guide pillar assembly

Info

Publication number: CN210253883U
Application number: CN201921294428.6U
Authority: CN
Inventors: 徐保根
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-04-07
Anticipated expiration: 2029-08-12

Abstract

A dustproof ball guide pillar assembly comprises an upper fixing seat and a plurality of upper mounting holes formed in the periphery of the lower portion of the upper fixing seat, wherein a lower fixing seat is arranged below the upper fixing seat, and a plurality of lower mounting holes corresponding to the upper mounting holes are formed in the periphery of the upper portion of the lower fixing seat; the lower surface of the upper fixed seat is provided with an upper limiting groove, and the upper surface of the lower fixed seat is provided with a lower limiting groove opposite to the upper limiting groove; a movable template is arranged between the upper fixed seat and the lower fixed seat; the movable template is provided with a guide sleeve hole which is coaxial with the upper limiting groove and the lower limiting groove; the upper limiting groove, the guide sleeve hole and the lower limiting groove are enclosed to form a dustproof chamber; a guide sleeve matched with the dustproof cavity is arranged in the dustproof cavity; the lower surface of the lower fixed seat is provided with a lower movable hole communicated with the dustproof cavity. The utility model discloses a dustproof ball guide pillar assembly can play dustproof effect when guaranteeing that the ball cover realizes smooth and easy effect, can not be polluted by impurity.

Description

Dustproof ball guide pillar assembly

Technical Field

The utility model relates to a ball guide pillar assembly, especially a dustproof ball guide pillar assembly.

Background

The ball guide post assembly is a device used on a die, a movable die plate of the die can smoothly complete die opening action under the action of a jacking mechanism, in the die opening process, the smoothness of the die opening is mainly realized by utilizing a ball sleeve of the ball guide post assembly, the ball sleeve of the traditional ball guide post assembly is exposed outside for a long time due to the self-structure problem, so that the surface of the ball sleeve is very easy to be infected with impurities such as dust or dirt, a plurality of evenly distributed ball grooves are arranged on the ball sleeve, the balls are arranged in the ball grooves, the smooth effect of the ball sleeve can be realized by mainly depending on the rolling of the balls to reduce friction, when the impurities enter the ball grooves, the balls are very easy to be stuck, under the condition that the balls are stuck, the die opening action can be caused, and in the serious condition, the die opening action can be directly caused to be difficult to complete, the normal use of the die is affected, the gap between the ball and the ball groove is extremely small, once impurities enter the gap between the ball and the ball groove, the cleaning is extremely difficult, if a new ball sleeve is replaced, the whole ball guide post assembly needs to be detached from the die, and the die is very troublesome.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a dustproof ball guide pillar assembly, it can play dustproof effect when guaranteeing that the smooth and easy effect is realized to the ball cover, can not be by impurity contamination.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model discloses a dustproof ball guide pillar assembly, including last fixing base, a plurality of fixing base lower part of locating last mounting hole all around, its characterized in that: a lower fixing seat is arranged below the upper fixing seat, and a plurality of lower mounting holes corresponding to the upper mounting holes are formed in the periphery of the upper part of the lower fixing seat; the lower surface of the upper fixed seat is provided with an upper limiting groove, and the upper surface of the lower fixed seat is provided with a lower limiting groove opposite to the upper limiting groove; a movable template is arranged between the upper fixed seat and the lower fixed seat; the movable template is provided with a guide sleeve hole which is coaxial with the upper limiting groove and the lower limiting groove; the upper limiting groove, the guide sleeve hole and the lower limiting groove are enclosed to form a dustproof chamber; a guide sleeve matched with the dustproof cavity is arranged in the dustproof cavity; the lower surface of the lower fixed seat is provided with a lower movable hole communicated with the dustproof cavity, and the diameter of the lower movable hole is smaller than that of the lower limiting groove; an upper movable hole communicated with the dustproof cavity is arranged in the upper fixed seat, and the diameter of the upper movable hole is smaller than that of the upper limiting groove; the upper end of a guide post upwards penetrates through the lower movable hole and penetrates into the dustproof cavity; the upper end of the guide post, which is positioned in the dustproof cavity, is sleeved with a ball sleeve, and the ball sleeve is enclosed by the guide sleeve; the outer wall of the ball sleeve is provided with a plurality of uniformly distributed outer ball grooves, the inner wall of the ball sleeve is provided with a plurality of uniformly distributed inner ball grooves, and the outer ball grooves and the inner ball grooves are spherical; the outer ball groove is provided with an outer ball matched with the outer ball groove, and one end of the outer ball protrudes out of the outer ball groove and is attached to the inner wall of the guide sleeve; the inner ball groove is internally provided with an inner ball matched with the inner ball groove, and one end of the inner ball protrudes out of the inner ball groove and is attached to the outer wall of the guide pillar; and a spring is arranged between the upper end of the ball sleeve and the inner wall of the upper side of the upper movable hole.

The inner wall of the orifice at the lower end of the lower movable hole is provided with an annular sealing step; the sealing step is provided with a dustproof sleeve matched with the sealing step, and the dustproof sleeve is made of rubber; the dustproof sleeve is sleeved outside the guide post.

The upper surface of the movable template is provided with a plurality of upper screw holes corresponding to the upper mounting holes, and the lower surface of the movable template is provided with a plurality of lower screw holes corresponding to the lower mounting holes; the upper fixing screw penetrates through the upper mounting hole and is screwed in the upper screw hole, and the lower fixing screw penetrates through the lower mounting hole and is screwed in the lower screw hole; the upper fixed seat and the movable template are fixed through an upper fixed screw, and the lower fixed seat and the movable template are fixed through a lower fixed screw.

The utility model has the advantages that:

compared with the prior art, adopt the utility model discloses dustproof ball guide pillar assembly of structure carries out the die sinking or when reseing at the mould, the ball cover is in dustproof cavity all the time, the existence of dustproof cavity can separate ball cover and external world, make the ball cover can not receive the pollution of impurity such as external dust or foul, play dustproof effect, when no impurity enters into the outer ball groove and the interior ball groove of ball cover, outer ball all can keep smooth and easy the roll with interior ball all the time, make the ball cover that is located between guide pillar and the guide pin bushing can reduce the frictional force between guide pillar and the guide pin bushing all the time, thereby in dirt-proof, guarantee the mould all the time and carry out the smooth and easy nature that the die sinking or reset, effectively avoid the mould in-process to appear blocking and dunk or the dead condition of card.

Drawings

FIG. 1 is a sectional view of the dustproof ball guide pillar assembly of the present invention assembled with a movable mold plate;

FIG. 2 is an enlarged view of section A of FIG. 1;

FIG. 3 is a schematic structural view of the dustproof ball guide pillar assembly of the present invention;

fig. 4 is a perspective view of the lower holder.

Detailed Description

The invention is described in further detail below with reference to the following figures and detailed description:

referring to fig. 1 to 4, the present invention provides a dustproof ball guide post assembly, which includes an upper fixing base 1 and a plurality of upper mounting holes 2 disposed around the lower portion of the upper fixing base 1, wherein a lower fixing base 3 is disposed below the upper fixing base 1, and a plurality of lower mounting holes 4 corresponding to the upper mounting holes 2 are disposed around the upper portion of the lower fixing base 3; the lower surface of the upper fixed seat 1 is provided with an upper limiting groove 5, and the upper surface of the lower fixed seat 3 is provided with a lower limiting groove 6 opposite to the upper limiting groove 5; a movable template 7 is arranged between the upper fixed seat 1 and the lower fixed seat 3; the movable template 7 is provided with a guide sleeve hole 8 which is coaxial with the upper limiting groove 5 and the lower limiting groove 6; the upper limiting groove 5, the guide sleeve hole 8 and the lower limiting groove 6 are enclosed to form a dustproof chamber 9; a guide sleeve 10 matched with the dustproof chamber 9 is arranged in the dustproof chamber; the lower surface of the lower fixed seat 3 is provided with a lower movable hole 11 communicated with the dustproof cavity 9, and the diameter of the lower movable hole 11 is smaller than that of the lower limiting groove 6; an upper movable hole 12 communicated with the dustproof cavity 9 is arranged in the upper fixed seat 1, and the diameter of the upper movable hole 12 is smaller than that of the upper limiting groove 5; the upper end of a guide post 13 upwards passes through the lower movable hole 11 and penetrates into the dustproof chamber 9; a ball sleeve 14 is sleeved outside the upper end of the guide post 13 positioned in the dustproof cavity 9, and the ball sleeve 14 is surrounded by the guide post 13; a plurality of outer ball grooves 15 which are uniformly distributed are formed in the outer wall of the ball sleeve 14, a plurality of inner ball grooves 16 which are uniformly distributed are formed in the inner wall of the ball sleeve 14, and the outer ball grooves 15 and the inner ball grooves 16 are spherical; the outer ball groove 15 is provided with an outer ball 17 matched with the outer ball groove, and one end of the outer ball 17 protrudes out of the outer ball groove 15 and is attached to the inner wall of the guide sleeve 10; an inner ball 18 matched with the inner ball groove 16 is arranged in the inner ball groove 16, and one end of the inner ball 18 protrudes out of the inner ball groove 16 and is attached to the outer wall of the guide column 13; a spring 19 is arranged between the upper end of the ball sleeve 14 and the inner wall of the upper side of the upper movable hole 12.

The inner wall of the lower end orifice of the lower movable hole 11 is provided with an annular sealing step 20; the sealing step 20 is provided with a dustproof sleeve 21 matched with the sealing step, and the dustproof sleeve 21 is made of rubber; the dustproof sleeve 21 is sleeved outside the guide post.

The upper surface of the movable template 7 is provided with a plurality of upper screw holes 22 corresponding to the positions of the upper mounting holes 2, and the lower surface of the movable template 7 is provided with a plurality of lower screw holes 23 corresponding to the positions of the lower mounting holes 4; an upper fixing screw 24 penetrates through the upper mounting hole 2 and is screwed in the upper screw hole 22, and a lower fixing screw 25 penetrates through the lower mounting hole 4 and is screwed in the lower screw hole 23; the upper fixed seat 1 and the movable template 7 are fixed through an upper fixing screw 24, and the lower fixed seat 3 and the movable template 7 are fixed through a lower fixing screw 25.

The utility model discloses a use method as follows:

before using the dustproof ball guide post assembly, the dustproof ball guide post assembly can be fixed on a movable template 7 through an upper fixed seat 1 and a lower fixed seat 3, so that the upper part of a guide post 13 is positioned in a dustproof cavity 9 formed by enclosing an upper limiting groove 5, a guide sleeve hole 8 and a lower limiting groove 6, the lower end of the guide post 13 is fixed at the position of a fixed template, when the mold is opened or reset, the movable template 7 is in a moving state, the movable template 7 drives the upper fixed seat 1 and the lower fixed seat 3 to move, when the movable template 7 moves towards the lower end direction of the guide post 13, the distance between the upper end of the guide post 13 and the upper inner wall of an upper movable hole 12 is continuously reduced, in the process of continuously reducing the distance between the upper fixed seat and the lower fixed seat, a ball sleeve 14 moves, an outer ball 17 and an inner ball 18 of the ball sleeve 14 roll, and the friction between the ball sleeve 10 and the guide post 13 is effectively reduced, under the circumstances that frictional force reduces, then can effectively improve the smooth and easy nature when moving movable mould board 7 moves down along guide pillar 13, ball cover 14 is under the effect of power this moment, the interval between self and the upper side inner wall of last movable hole 12 also can diminish gradually, along with ball cover 14 and the upper side inner wall of last movable hole 12 diminish, spring 19 is compressed, spring 19 then can produce elasticity, thereby cushion movable mould board 7, the too big condition that leads to the mould part to receive the damage of strength that produces when effectively avoiding movable mould board 7 to move, spring 19 can reset ball cover 14 through self elasticity simultaneously.

When the movable die plate 7 moves upwards, the distance between the upper end of the guide post 13 and the inner wall of the upper side of the upper movable hole 12 is continuously increased, and the outer ball 17 and the inner ball 18 on the ball sleeve 14 reduce the friction force through self rolling again, so that the smooth effect is realized again.

In conclusion, the utility model discloses when the mould carries out the die sinking or resets, ball cover 14 is in dustproof cavity 9 all the time, the existence of dustproof cavity 9 can separate ball cover 14 with the external world, make ball cover 14 can not receive the pollution of impurity such as external dust or foul, play dustproof effect, when no impurity enters into ball cover 14's outer ball groove 15 and interior ball groove 16, outer ball 17 all can keep smooth and easy the roll with interior ball 18 all the time, make the ball cover 14 that is located between guide pillar 13 and the guide pin bushing 10 can reduce the frictional force between guide pillar 13 and the guide pin bushing 10 all the time, thereby in dustproof, guarantee the mould all the time and carry out the smooth and easy nature that the die sinking or reset, effectively avoid the mould die sinking in-process to appear blocking or the dead condition of card.

Lower movable hole 11 lower extreme drill way inner wall is equipped with and is annular sealed step 20, be equipped with on the sealed step 20 rather than assorted dirt proof boot 21, dirt proof boot 21 is the rubber material, dirt proof boot 21 overlaps outside guide pillar 13, the existence of dirt proof boot 21 can effectively improve the leakproofness between lower movable hole 11 and the guide pillar 13, further with impurity such as dust or foul isolated outside dustproof chamber 9, make impurity such as dust or foul leak to dustproof chamber 9 in the clearance between lower movable hole 11 and the guide pillar 13.

Go up between fixing base 1 and the movable mould board 7 and fix mutually through last fixed screw 24, it is fixed mutually through lower fixed screw 25 between lower fixing base 3 and the movable mould board 7, this kind of fixed mode does benefit to and carries out the dismouting to dustproof ball guide pillar assembly, when the part that is located dustproof cavity 9 appears damaging, is convenient for maintain or change.

Claims

1. The utility model provides a dustproof ball guide pillar assembly, includes fixing base, a plurality of fixing base lower part of locating go up mounting hole all around, its characterized in that: a lower fixing seat is arranged below the upper fixing seat, and a plurality of lower mounting holes corresponding to the upper mounting holes are formed in the periphery of the upper part of the lower fixing seat; the lower surface of the upper fixed seat is provided with an upper limiting groove, and the upper surface of the lower fixed seat is provided with a lower limiting groove opposite to the upper limiting groove; a movable template is arranged between the upper fixed seat and the lower fixed seat; the movable template is provided with a guide sleeve hole which is coaxial with the upper limiting groove and the lower limiting groove; the upper limiting groove, the guide sleeve hole and the lower limiting groove are enclosed to form a dustproof chamber; a guide sleeve matched with the dustproof cavity is arranged in the dustproof cavity; the lower surface of the lower fixed seat is provided with a lower movable hole communicated with the dustproof cavity, and the diameter of the lower movable hole is smaller than that of the lower limiting groove; an upper movable hole communicated with the dustproof cavity is arranged in the upper fixed seat, and the diameter of the upper movable hole is smaller than that of the upper limiting groove; the upper end of a guide post upwards penetrates through the lower movable hole and penetrates into the dustproof cavity; the upper end of the guide post, which is positioned in the dustproof cavity, is sleeved with a ball sleeve, and the ball sleeve is enclosed by the guide sleeve; the outer wall of the ball sleeve is provided with a plurality of uniformly distributed outer ball grooves, the inner wall of the ball sleeve is provided with a plurality of uniformly distributed inner ball grooves, and the outer ball grooves and the inner ball grooves are spherical; the outer ball groove is provided with an outer ball matched with the outer ball groove, and one end of the outer ball protrudes out of the outer ball groove and is attached to the inner wall of the guide sleeve; the inner ball groove is internally provided with an inner ball matched with the inner ball groove, and one end of the inner ball protrudes out of the inner ball groove and is attached to the outer wall of the guide pillar; and a spring is arranged between the upper end of the ball sleeve and the inner wall of the upper side of the upper movable hole.

2. The dust ball guide post assembly of claim 1, further comprising: the inner wall of the orifice at the lower end of the lower movable hole is provided with an annular sealing step; the sealing step is provided with a dustproof sleeve matched with the sealing step, and the dustproof sleeve is made of rubber; the dustproof sleeve is sleeved outside the guide post.

3. The dust ball guide post assembly of claim 1, further comprising: the upper surface of the movable template is provided with a plurality of upper screw holes corresponding to the upper mounting holes, and the lower surface of the movable template is provided with a plurality of lower screw holes corresponding to the lower mounting holes; the upper fixing screw penetrates through the upper mounting hole and is screwed in the upper screw hole, and the lower fixing screw penetrates through the lower mounting hole and is screwed in the lower screw hole; the upper fixed seat and the movable template are fixed through an upper fixed screw, and the lower fixed seat and the movable template are fixed through a lower fixed screw.