阅读说明：本技术 一种移动载台防尘结构 (Dustproof structure of movable carrier ) 是由 王俊锋 唐凌志 于 2020-05-07 设计创作，主要内容包括：本发明涉及工件移送机构防护技术领域,尤其公开了一种移动载台防尘结构,包括滑动设置的载台组件及带动载台组件滑动的驱动组件；驱动组件包括两个支撑块、转动设置于两个支撑块之间的丝杆件、用于驱动丝杆件的第一驱动件、螺接套设在丝杆件外侧的丝杆螺母、套设于丝杆螺母外侧的两个第一伸缩防尘件、分别设置于两个第一伸缩防尘件内的两个支撑套,丝杆螺母与载台组件连接；支撑套滑动套设在丝杆件的外侧；驱动组件驱动载台组件实现工件的移动,第一伸缩防尘件填充遮盖丝杆螺母与支撑块之间的间隙,避免外界的杂物进入丝杆螺母与支撑块之间的间隙而导致使用不良；支撑套支撑住第一伸缩防尘件,防止第一伸缩防尘件塌缩而使用不良。(The invention relates to the technical field of protection of a workpiece transfer mechanism, and particularly discloses a dustproof structure of a movable carrier, which comprises a carrier assembly and a driving assembly, wherein the carrier assembly is arranged in a sliding manner, and the driving assembly drives the carrier assembly to slide; the driving assembly comprises two supporting blocks, a screw rod piece rotatably arranged between the two supporting blocks, a first driving piece for driving the screw rod piece, a screw nut in threaded connection with the outer side of the screw rod piece, two first telescopic dustproof pieces sleeved on the outer side of the screw nut, and two supporting sleeves respectively arranged in the two first telescopic dustproof pieces, wherein the screw nut is connected with the carrier assembly; the support sleeve is sleeved outside the wire rod piece in a sliding manner; the driving assembly drives the carrier assembly to realize the movement of the workpiece, and the first telescopic dustproof piece fills and covers the gap between the screw rod nut and the supporting block, so that the poor use caused by the fact that external impurities enter the gap between the screw rod nut and the supporting block is avoided; the supporting sleeve supports the first telescopic dustproof piece to prevent the first telescopic dustproof piece from collapsing and being badly used.)

1. A dustproof structure of a movable carrier comprises a carrier assembly arranged in a sliding manner and a driving assembly for driving the carrier assembly to slide; the method is characterized in that: the driving assembly comprises two supporting blocks, a screw rod piece rotationally arranged between the two supporting blocks, a first driving piece for driving the screw rod piece to rotate, a screw nut in threaded connection with the outer side of the screw rod piece, two first telescopic dustproof pieces sleeved on the outer side of the screw nut, and two supporting sleeves respectively arranged in the two first telescopic dustproof pieces, the screw nut is connected with the carrying platform assembly, the two first telescopic dustproof pieces are respectively positioned on two sides of the screw nut, and two ends of each first telescopic dustproof piece are respectively arranged on the screw nut and the supporting blocks; the supporting sleeve is positioned in the middle of the first telescopic dustproof piece and is sleeved on the outer side of the wire rod piece in a sliding mode.

2. The mobile carrier dustproof structure according to claim 1, characterized in that: the first telescopic dustproof piece is provided with a plurality of elastic joints which are connected with each other, the elastic joints are arranged along the length direction of the screw rod piece, and the distance between the middle part of each elastic joint and the screw rod piece is greater than the distance between the two ends of each elastic joint and the screw rod piece; the supporting sleeve comprises a sleeve body and a ring piece arranged around the sleeve body, the sleeve body is sleeved on the outer side of the wire rod piece in a sliding mode, and the middle of the elastic joint in the middle of the first telescopic dustproof piece is used for abutting against the ring piece.

3. The mobile carrier dustproof structure according to claim 2, characterized in that: the two ends of the first telescopic dustproof piece are respectively provided with a plane ring, the plane rings are connected with one end of the elastic joint, the outer side of the first telescopic dustproof piece is sleeved with a fixing ring used for pressing and holding the plane rings on the supporting block or the screw rod nut, and the fixing ring is located between the plane rings and the elastic joint.

4. The mobile carrier dustproof structure according to claim 1, characterized in that: the carrier assembly comprises a carrier piece, two fixing plates, two guide rails and two second telescopic dustproof pieces, the two guide rails are arranged in parallel, the two guide rails and the two second telescopic dustproof pieces are located between the two fixing plates, the two ends of the carrier piece are arranged on the two guide rails in a sliding mode respectively, the two second telescopic dustproof pieces are located on the two sides of the carrier piece respectively, the two ends of the second telescopic dustproof pieces are arranged on the fixing plates and the carrier piece respectively, and the screw nut is fixedly connected with the carrier piece.

5. The mobile carrier dustproof structure according to claim 4, characterized in that: the carrier assembly further comprises two supporting pieces which are arranged in the two second telescopic dustproof pieces respectively, the supporting pieces are located in the middle of the second telescopic dustproof pieces, and the supporting pieces are arranged on the two guide rails in a sliding mode.

6. The mobile carrier dustproof structure according to claim 4, characterized in that: the dustproof structure of the movable carrying platform further comprises a fixing frame, the supporting block, the fixing plate and the guide rail are fixedly arranged on the fixing frame, and the screw rod piece and the guide rail are arranged in parallel.

7. The mobile carrier dustproof structure according to claim 4, characterized in that: the carrying platform assembly further comprises a carrying platform and a second driving piece, the carrying platform is rotatably arranged on the carrying platform piece, the second driving piece is used for driving the carrying platform to rotate, the carrying platform is used for bearing an external workpiece, and the second driving piece drives the carrying platform to enable the workpiece to rotate so as to change the relative angle between the workpiece and external processing equipment.

8. The mobile carrier dustproof structure according to claim 7, characterized in that: the carrying platform piece is provided with a ring portion, the carrying platform is provided with a carrying platform portion and a rotating shaft portion connected with the carrying platform portion, the rotating shaft portion is rotatably arranged in the ring portion, and the carrying platform portion is used for carrying an external workpiece; the ring circle portion is equipped with rolling a plurality of balls, and the ball is used for conflicting support carrier portion, and a plurality of balls encircle the rotation axis setting of pivot portion.

9. The mobile carrier dustproof structure according to claim 8, characterized in that: the carrier part is provided with an annular blind groove which is arranged around the rotating shaft part, the annular blind groove is formed by being concavely arranged from the bottom surface of the carrier part, the ball extends out of the top surface of the ring part and extends into the annular blind groove, and the ball abuts against the inner groove wall of the annular blind groove.

10. The mobile carrier dustproof structure according to claim 2, characterized in that: the support cover is equipped with a plurality of flexible needles, and a plurality of flexible needles surround set body and set up, and flexible needle sets up in the needle body of ring plate, the spring part that is used for driving the needle body including sliding, and the needle body stretches out the ring plate suddenly and is used for contradicting at the inner wall of elasticity festival.

Technical Field

The invention relates to the technical field of protection of a workpiece transfer mechanism, and particularly discloses a dustproof structure of a movable carrying platform.

Background

In the process of processing and manufacturing the workpiece, the workpiece needs to be processed in various manners, in order to improve the processing and manufacturing efficiency of the workpiece, a transfer mechanism for moving the workpiece is arranged in the prior art, so that the workpiece is automatically transferred, and due to the fact that the structural design of the transfer mechanism in the prior art is unreasonable, the external objects such as dust and the like easily enter the transfer mechanism, the use of the transfer mechanism is poor, and serious people can cause wrong transfer of the workpiece and poor processing of the workpiece.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide a dustproof structure of a movable carrier, wherein a first telescopic dustproof piece is used for filling and covering the gap between a screw rod nut and a supporting block, so that the problem that external impurities enter the gap between the screw rod nut and the supporting block to cause poor use is avoided; the supporting sleeve supports the first telescopic dustproof piece to prevent the first telescopic dustproof piece from collapsing and being badly used.

In order to achieve the purpose, the dustproof structure of the movable carrier comprises a carrier assembly and a driving assembly, wherein the carrier assembly is arranged in a sliding manner; the driving assembly comprises two supporting blocks, a screw rod piece rotationally arranged between the two supporting blocks, a first driving piece for driving the screw rod piece to rotate, a screw nut in threaded connection with the outer side of the screw rod piece, two first telescopic dustproof pieces sleeved on the outer side of the screw nut, and two supporting sleeves respectively arranged in the two first telescopic dustproof pieces, the screw nut is connected with the carrying platform assembly, the two first telescopic dustproof pieces are respectively positioned on two sides of the screw nut, and two ends of each first telescopic dustproof piece are respectively arranged on the screw nut and the supporting blocks; the supporting sleeve is positioned in the middle of the first telescopic dustproof piece and is sleeved on the outer side of the wire rod piece in a sliding mode.

Furthermore, the first telescopic dustproof piece is provided with a plurality of elastic joints which are connected with each other, the elastic joints are arranged along the length direction of the screw rod piece, and the distance between the middle part of each elastic joint and the screw rod piece is greater than the distance between the two ends of each elastic joint and the screw rod piece; the supporting sleeve comprises a sleeve body and a ring piece arranged around the sleeve body, the sleeve body is sleeved on the outer side of the wire rod piece in a sliding mode, and the middle of the elastic joint in the middle of the first telescopic dustproof piece is used for abutting against the ring piece.

Furthermore, the two ends of the first telescopic dustproof piece are respectively provided with a plane ring, the plane rings are connected with one end of the elastic joint, the outer side of the first telescopic dustproof piece is sleeved with a fixing ring used for pressing and holding the plane rings on the supporting block or the screw nut, and the fixing ring is located between the plane rings and the elastic joint.

Further, the carrier assembly comprises a carrier piece, two fixing plates, two guide rails and two second telescopic dust prevention pieces, the two guide rails are arranged in parallel, the two guide rails and the two second telescopic dust prevention pieces are located between the two fixing plates, two ends of the carrier piece are arranged on the two guide rails in a sliding mode respectively, the two second telescopic dust prevention pieces are located on two sides of the carrier piece respectively, two ends of the second telescopic dust prevention pieces are arranged on the fixing plates and the carrier piece respectively, and the screw nut is fixedly connected with the carrier piece.

Further, the carrier assembly further comprises two supporting pieces arranged in the two second telescopic dustproof pieces respectively, the supporting pieces are located in the middle of the second telescopic dustproof pieces, and the supporting pieces are arranged on the two guide rails in a sliding mode.

Furthermore, the dustproof structure of the movable carrier further comprises a fixed frame, the supporting block, the fixed plate and the guide rail are fixedly arranged on the fixed frame, and the screw rod piece is arranged in parallel with the guide rail.

Further, the carrying platform assembly further comprises a carrying platform and a second driving piece, the carrying platform is rotatably arranged on the carrying platform assembly, the second driving piece is used for driving the carrying platform to rotate, the carrying platform is used for bearing an external workpiece, and the second driving piece drives the carrying platform to enable the workpiece to rotate so as to change the relative angle between the workpiece and external processing equipment.

Furthermore, the carrying platform piece is provided with a ring part, the carrying platform is provided with a carrying platform part and a rotating shaft part connected with the carrying platform part, the rotating shaft part is rotatably arranged in the ring part, and the carrying platform part is used for carrying an external workpiece; the ring circle portion is equipped with rolling a plurality of balls, and the ball is used for conflicting support carrier portion, and a plurality of balls encircle the rotation axis setting of pivot portion.

Furthermore, the carrier part is provided with an annular blind groove, the annular blind groove is arranged around the rotating shaft part, the annular blind groove is formed by being concavely arranged on the bottom surface of the carrier part, the ball extends out of the top surface of the annular ring part and extends into the annular blind groove, and the ball abuts against the inner groove wall of the annular blind groove.

Further, support the cover and be equipped with a plurality of flexible needles, a plurality of flexible needles are around set body setting, and flexible needle sets up in the needle body of ring plate, the spring part that is used for driving the needle body including sliding, and the needle body stretches out the ring plate suddenly and is used for contradicting at the inner wall of elasticity festival.

The invention has the beneficial effects that: when the automatic telescopic dust-proof device is used actually, a workpiece is mounted on the platform assembly, the driving assembly drives the platform assembly to realize automatic movement of the workpiece, and in the using process of the driving assembly, the first telescopic dust-proof piece extends or shortens along with the movement of the screw nut, so that the gap between the screw nut and the supporting block is filled and covered all the time, and the poor use caused by the fact that external impurities enter the gap between the screw nut and the supporting block is avoided; in the process of extension and shortening of the first telescopic dustproof piece, the supporting sleeve always supports the first telescopic dustproof piece to prevent the first telescopic dustproof piece from collapsing and being badly used.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a partially enlarged view of portion A of FIG. 2;

FIG. 4 is a cross-sectional view of the collar portion and carrier portion of the present invention;

fig. 5 is a schematic structural view of the support sleeve of the present invention.

The reference numerals include:

1-carrier assembly 2-drive assembly 3-supporting block

4-screw rod piece 5-screw rod nut 6-first telescopic dustproof piece

7-support sleeve 8-elastic joint 9-sleeve body

11-ring plate 12-plane ring 13-fixed ring

14-carrier 15-fixing plate 16-guide rail

17-second telescopic dust-proof piece 18-ring part 19-carrier part

21-round ball 22-needle body 23-spring part

141-object stage 142-oil shield.

Detailed Description

For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

Referring to fig. 1 to 5, a mobile carrier dustproof structure of the present invention includes a carrier assembly 1 disposed in a sliding manner and a driving assembly 2 for driving the carrier assembly 1 to slide; the driving assembly 2 comprises two supporting blocks 3, a screw rod piece 4 rotatably arranged between the two supporting blocks 3, a first driving piece for driving the screw rod piece 4 to rotate, a screw rod nut 5 sleeved on the outer side of the screw rod piece 4 in a threaded manner, two first telescopic dustproof pieces 6 sleeved on the outer side of the screw rod nut 5, and two supporting sleeves 7 respectively arranged in the two first telescopic dustproof pieces 6.

Two ends of a screw rod piece 4 are respectively arranged on the supporting block 3 through rolling bearings, the screw rod piece 4 is rotatably arranged with the supporting block 3 through the rolling bearings, a screw nut 5 is connected with the carrier assembly 1, two first telescopic dustproof pieces 6 are respectively positioned at the left side and the right side of the screw nut 5, two ends of each first telescopic dustproof piece 6 are respectively arranged on the screw nut 5 and the supporting block 3, and the first telescopic dustproof pieces 6 are used for filling a gap between the screw nut 5 and the supporting block 3; the supporting sleeve 7 is positioned in the middle of the first telescopic dustproof piece 6, and the supporting sleeve 7 is sleeved on the outer side of the wire rod piece 4 in a sliding mode.

In this embodiment, the support sleeve 7 is made of a stainless steel material, the stainless steel is also called polyformaldehyde (POM for short), and belongs to plastics, the stainless steel is a tough and elastic material, and the stainless steel has a self-lubricating property, so that in the process of relative sliding between the support sleeve 7 and the screw rod member 4, the friction noise between the support sleeve 7 and the screw rod member is reduced, the wear is delayed, and the service life is prolonged.

During the actual use, install the work piece on microscope carrier subassembly 1, drive assembly 2 drive microscope carrier subassembly 1 realizes the automatic movement of work piece, and in drive assembly 2's use, first flexible dustproof piece 6 extends or shortens along with the removal of screw-nut 5, and first flexible dustproof piece 6 fills the clearance of covering between screw-nut 5 and the supporting shoe 3 all the time, avoids external debris to get into the clearance between screw-nut 5 and the supporting shoe 3 and leads to using badly. In the process of extending and shortening the first telescopic dustproof piece 6, the supporting sleeve 7 supports the first telescopic dustproof piece 6 all the time, and the first telescopic dustproof piece 6 is prevented from collapsing and being badly used.

The first telescopic dustproof piece 6 is provided with a plurality of elastic joints 8 which are connected with each other, the elastic joints 8 are arranged along the length direction of the screw rod piece 4, the distance between the middle part of each elastic joint 8 and the screw rod piece 4 is larger than the distance between the two ends of each elastic joint 8 and the screw rod piece 4, and the cross section of the side wall of each elastic joint 8 is approximately V-shaped.

The supporting sleeve 7 comprises a sleeve body 9 and an annular sheet 11 arranged around the sleeve body 9, the sleeve body 9 is a hollow cylinder, the annular sheet 11 is an annular thin sheet, the sleeve body 9 is sleeved on the outer side of the wire rod piece 4 in a sliding mode, and the middle of the elastic joint 8 in the middle of the first telescopic dustproof piece 6 is used for abutting against the annular sheet 11.

During the in-service use, when first driving piece drive lead screw spare 4 rotates, pivoted lead screw spare 4 drive screw-nut 5 removes along the length direction of lead screw spare 4, the lead screw nut 5 that removes drives first flexible dustproof member 6 extension or shortens, when first flexible dustproof member 6 extension or shortens, with the help of the conflict of the inside wall of elastic joint 8 to ring piece 11, flexible or first flexible dustproof member 6 that shortens drives and supports cover 7 and remove along the length direction of lead screw spare 4, make and support cover 7 and support first flexible dustproof member 6 all the time, prevent that first flexible dustproof member 6 from collapsing and use badly.

The two ends of the first telescopic dustproof piece 6 are respectively provided with a plane ring 12, the plane rings 12 are connected with one end of the elastic joint 8, the outer side of the first telescopic dustproof piece 6 is sleeved with a fixing ring 13 used for pressing and holding the plane rings 12 on the supporting block 3 or the screw nut 5, and the fixing ring 13 is located between the plane rings 12 and the elastic joint 8. Preferably, the fixing ring 13 is made of a metal material, for example, the fixing ring 13 is made of stainless steel or aluminum alloy, and the fixing ring 13 is used to firmly press the planar ring 12 on the supporting block 3 or the lead screw nut 5, so as to prevent the first telescopic dust-proof component 6 from falling off and being used badly.

The carrier assembly 1 comprises a carrier 14, two fixing plates 15, two guide rails 16 and two second telescopic dust-proof pieces 17, the two guide rails 16 are arranged in parallel at intervals, the two guide rails 16 and the two second telescopic dust-proof pieces 17 are located between the two fixing plates 15, two ends of the carrier 14 are arranged on the two guide rails 16 in a sliding mode respectively, the two second telescopic dust-proof pieces 17 are located on the left side and the right side of the carrier 14 respectively, two ends of the second telescopic dust-proof pieces 17 are arranged on the fixing plates 15 and the carrier 14 respectively, the second telescopic dust-proof pieces 17 are used for filling gaps between the carrier 14 and the fixing plates 15, external dust impurities are prevented from entering between the carrier 14 and the fixing plates 15 and being used badly, and the screw nut 5 is fixedly connected with the carrier 14.

The carrier assembly 1 further comprises two supporting members respectively installed in the two second telescopic dust-proof members 17, the supporting members are located in the middle of the second telescopic dust-proof members 17, and the supporting members are slidably arranged on the two guide rails 16. The structure of the second dust protector 17 is substantially the same as that of the first dust protector 6, and the structure of the support is substantially the same as that of the support sleeve 7, and the second dust protector 17 is supported by the support to prevent the second dust protector 17 from collapsing and being used poorly.

The dustproof structure of the movable carrier further comprises a fixed frame, the supporting block 3, the fixed plate 15 and the guide rail 16 are all fixedly arranged on the fixed frame, and the screw rod piece 4 and the guide rail 16 are arranged in parallel. Through the arrangement of the fixing frame, the supporting block 3, the fixing plate 15 and the guide rail 16 share one installation reference, and the installation stability of the supporting block 3, the fixing plate 15 and the guide rail 16 is improved.

The carrier assembly 1 further comprises a carrier 141 rotatably arranged on the carrier 14 and a second driving part for driving the carrier 141 to rotate, the carrier 141 is used for bearing an external workpiece, and the second driving part drives the carrier 141 to enable the workpiece to rotate so as to change a relative angle between the workpiece and external processing equipment, so that the external processing equipment can process different parts of the workpiece conveniently, and the processing yield of the workpiece is improved. Preferably, an annular scale is arranged on the stage member 14, the annular scale is arranged around the stage 141, and an indicator for matching with the annular scale is arranged on the stage 141. When the second driving member drives the object stage 141 to rotate, the indicator is used for indicating the scale value on the annular scale, so that a user can intuitively know the actual angle rotated by the object stage 141. Preferably, the stage assembly 1 further comprises an oil-proof cover 142 for covering the stage 141, the stage 141 protrudes from the oil-proof cover 142 and is used for loading outside objects, and the oil-proof cover 142 is used for protecting the stage 141 and reducing the poor use of the stage 141 due to the pollution from the outside.

The carrier 14 is provided with a ring portion 18, the stage 141 is provided with a carrier portion 19 and a rotating shaft portion connected with the carrier portion 19, the rotating shaft portion is rotatably arranged in the ring portion 18, preferably, a rolling bearing arranged in the ring portion 18 is sleeved on the outer side of the rotating shaft portion, and the carrier portion 19 is used for bearing an external workpiece.

The ring part 18 is provided with a plurality of rolling round balls 21, the round balls 21 protrude out of the top surface of the ring part 18, the round balls 21 are used for abutting against the bottom surface of the support carrier part 19, and the round balls 21 are arranged around the rotating axis of the rotating shaft part. When the second driving member drives the stage 141 to rotate, the sliding friction between the ring portion 18 and the stage portion 19 is converted into rolling friction through the arrangement of the rolling round balls 21, so that the friction noise between the two is reduced, and the abrasion between the two is delayed.

The carrier part 19 is provided with an annular blind groove which is arranged around the rotating shaft part, the annular blind groove is formed by being concavely arranged on the bottom surface of the carrier part 19, the ball 21 protrudes out of the top surface of the annular ring part 18 and extends into the annular blind groove, and the ball 21 abuts against the inner groove wall of the annular blind groove. The limiting ball 21 is stopped by the inner groove wall of the annular blind groove, so that the carrier platform part 19 can accurately rotate.

Support cover 7 and be equipped with a plurality of flexible needles, a plurality of flexible needles are around the setting of the cover body 9, preferably, a plurality of flexible needles are annular array around the cover body 9, and flexible needle is including sliding needle body 22, the spring part 23 that is used for driving needle body 22 that sets up on ring sheet 11, and needle body 22 stretches out ring sheet 11 suddenly and is used for contradicting at the inner wall of elastic knot 8. In this embodiment, the sliding direction of the needle body 22 is perpendicular to the longitudinal direction of the first retractable dust-proof member 6.

Through the setting of flexible needle, at the extension of first flexible dustproof 6 or shorten the in-process for needle body 22 contradicts all the time on the inside wall of first flexible dustproof 6, so, can directly drive when first flexible dustproof 6 extends or shortens and support cover 7 and remove, ensures to support the real-time of cover 7 following first flexible dustproof 6 and remove.

Preferably, the second driving member is a motor, an output shaft of the motor is connected with the rotating shaft portion, the ring portion 18 is sleeved on the outer side of the second driving member, the ring portion 18 is provided with a plurality of annular grooves, the annular grooves are formed by being concavely arranged on the inner surface of the ring portion 18 and are arranged around the central axis of the ring portion 18, the annular grooves are arranged in the direction of the central axis of the ring portion 18, and the left side and the right side of one annular groove, which are far away from each other, are respectively communicated with the two annular grooves on the upper side and the lower side through the notch grooves. During the actual use, in the annular groove of the superiors, with the help of breach groove to two adjacent annular grooves intercommunication, make in cooling fluid flows through a plurality of annular grooves in proper order, and then carries out cooling to the second driving piece that the loop portion 18 cover was established. According to actual needs, the outer side of the second driving year is sleeved with two sealing rings located in the ring portion 18, the sealing rings are used for sealing a gap between the ring portion 18 and the second driving piece, all the annular grooves are located between the two sealing rings, and cooling fluid injected into the annular grooves is prevented from leaking through the gap between the ring portion 18 and the second driving piece.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.