CN211488606U - Cam friction mechanism of stepping motor - Google Patents
Cam friction mechanism of stepping motor Download PDFInfo
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- CN211488606U CN211488606U CN201922398768.XU CN201922398768U CN211488606U CN 211488606 U CN211488606 U CN 211488606U CN 201922398768 U CN201922398768 U CN 201922398768U CN 211488606 U CN211488606 U CN 211488606U
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Abstract
The utility model discloses a cam friction mechanism of a stepping motor, which comprises a fixed groove and a plurality of friction guide units, wherein each friction guide unit comprises a first polish rod, a second polish rod, a first vertical plate, a second vertical plate, a connecting piece, a regulating plate, a driving motor, a connecting block and a regulating wheel, the first polish rod and the second polish rod are horizontally fixed in the fixed groove and are parallel to the width direction of the fixed groove, the first polish rod and the second polish rod pass through the first vertical plate and the second vertical plate, the first polish rod and the second polish rod are vertical to the first vertical plate and the second vertical plate, the connecting piece is connected with the first vertical plate and the second vertical plate, the driving motor is fixed in the fixed groove, the adjusting plate is vertically arranged and connected with the connecting piece, an adjusting hole is formed in the adjusting plate, the adjusting hole is vertical and long, and the adjusting wheel is inserted into the adjusting hole. Compared with the prior art, the utility model has the advantages of positioning accuracy is high, low cost, simple structure and operation are stable.
Description
Technical Field
The utility model relates to a friction mechanism, in particular to step motor cam friction mechanism.
Background
With the rapid development of modern logistics technology and the vigorous development of the express industry, express companies face a great deal of sorting work of express every day. Traditional express delivery letter sorting mostly leans on manual sorting, and work letter sorting intensity is big, inefficiency, the error rate is high, divides easily wrong when express delivery staff sorts, but also loses a piece easily. At present, along with the continuous promotion of express delivery industry personnel cost, the requirement of customer to quality of service also constantly improves, and the market demand can't be satisfied in artifical letter sorting, therefore the equipment of automatic sorting express delivery also should be transported to the production.
The applicant proposes a narrow-band logistics sorting machine with application number of cn201910369935.x in 5/6/2019, which comprises a guide structure, but the arrangement of the guide structure has a larger improvement space.
In view of this, the utility model people of this application obtain a step motor cam friction mechanism through the intensive research.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a step motor cam friction mechanism, it has the high advantage of positioning accuracy.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a cam friction mechanism of a stepping motor comprises a fixing groove and a plurality of friction guide units, wherein the friction guide units are arranged in the fixing groove in a straight line shape, each friction guide unit comprises a first polished rod, a second polished rod, a first vertical plate, a second vertical plate, a connecting piece, an adjusting plate, a driving motor, a connecting block and an adjusting wheel, the first polished rod and the second polished rod are horizontally fixed in the fixing groove and parallel to the width direction of the fixing groove, the first polished rod and the second polished rod penetrate through the first vertical plate and the second vertical plate, the first polished rod and the second polished rod are perpendicular to the first vertical plate and the second vertical plate, the connecting piece is connected with the first vertical plate and the second vertical plate, the driving motor is fixed in the fixing groove and is provided with a driving shaft, one end of the connecting block is connected with the driving shaft, the other end is connected the regulating wheel, the vertical setting of regulating plate and with the connecting piece is connected, is equipped with the regulation hole on it, the regulation hole is vertical rectangular shape, the regulating wheel inserts in the regulation hole.
The improved structure of the wheel is characterized in that the adjusting wheel comprises a fixing bolt, a fixing shaft and a wheel body, a fixing through hole is formed in the connecting block, one end of the fixing shaft is installed on the wheel body, a fixing screw hole is formed in the other end of the fixing shaft, and the fixing bolt penetrates through the fixing through hole and then is matched with the fixing screw hole.
In a further improvement, the friction guiding unit further comprises a first linear bearing, a second linear bearing, a third linear bearing and a fourth linear bearing, the first linear bearing and the second linear bearing are mounted on the first vertical plate, the third linear bearing and the fourth linear bearing are mounted on the second vertical plate, the first polish rod penetrates through the first linear bearing and the third linear bearing, and the second polish rod penetrates through the second linear bearing and the fourth linear bearing.
In a further improvement, the connecting piece is in a plate shape and is horizontally arranged, and two side edges of the connecting piece are respectively connected with the first vertical plate and the second vertical plate.
In a further improvement, the friction guide unit further comprises a first fixing seat, a second fixing seat, a third fixing seat and a fourth fixing seat which are fixed on the side portions of the fixing grooves, wherein a first fixing hole, a second fixing hole, a third fixing hole and a fourth fixing hole are formed in the first fixing seat, the second fixing seat, the third fixing seat and the fourth fixing seat respectively, the first fixing seat and the third fixing seat are arranged oppositely, the second fixing seat and the fourth fixing seat are arranged oppositely, two ends of the first polish rod are inserted into the first fixing hole and the third fixing hole respectively, and two ends of the second polish rod are inserted into the second fixing hole and the fourth fixing hole respectively.
Further improvement, the friction direction unit still includes position inductive switch, position inductive switch includes support, first inductive head and second inductive head, the support is fixed in the fixed slot, be equipped with horizontal breach on it, first inductive head is located the top of breach, the second inductive head is located the bottom of breach makes first inductive head with the second inductive head sets up relatively, be equipped with the diaphragm on the regulating plate, the diaphragm is located first inductive head with between the second inductive head.
In a further improvement, the position sensing switch further comprises an adjusting track, the adjusting track is parallel to the width direction of the fixing groove, and the support is arranged on the adjusting track.
The improved structure of the position sensing switch is characterized in that the position sensing switch further comprises an adjusting bolt and an adjusting nut, an adjusting through hole penetrating through the position sensing switch from top to bottom is formed in the support, a sliding groove is formed in the adjusting track, an extending edge extending inwards is formed in the upper edge of the sliding groove, the adjusting nut is located in the sliding groove and abuts against the lower surface of the extending edge, the adjusting bolt penetrates through the adjusting through hole from top to bottom and then is inserted into the sliding groove, and the adjusting bolt is matched with the adjusting nut.
Compared with the prior art, the utility model provides a step motor cam friction mechanism, when working, driving motor drives the drive shaft and rotates, and the drive shaft drives the connecting block and rotates, thereby drive the regulating wheel around the drive shaft rotation, because of the cooperation relation, when the regulating wheel rotates, the regulating plate will take place left and right reciprocating motion, thereby drive first riser and second riser left and right reciprocating motion, when first riser and second riser and the friction pulley contact of letter sorting dolly, make the friction pulley of letter sorting dolly rotate to different directions, realize the regulation to letter sorting direction of letter sorting dolly; the utility model adopts the driving motor to drive, and does not need to set up the air source, thereby effectively reducing the cost; in the prior art, two cylinders are required to be arranged in one friction adjusting unit, but the utility model only needs to be provided with one motor, thereby effectively simplifying the structure; the driving by the driving motor has higher precision than the driving by the air cylinder, and accurate positioning can be realized; meanwhile, under the structure arrangement, the friction guide device is also provided with a mechanical dead point, so that locking can be realized, and the friction guide process is more stable.
Drawings
Fig. 1 is a partial schematic structural view of a cam friction mechanism of a stepping motor of the present invention.
Fig. 2 is a schematic structural view of a friction guide unit of a cam friction mechanism of a stepping motor.
Fig. 3 is a schematic structural view of the friction guide unit of the cam friction mechanism of the stepping motor without the adjustment plate.
In the drawings
A fixed groove-11; a first polish rod-12; a second polish rod-13; a first riser-14; a second vertical plate-15; a connector-16; an adjusting plate-17; an adjustment aperture-171; a transverse plate-172; a drive motor-18; drive shaft-181; a connecting block-19; fixing bolt-201; a fixed shaft-202; a wheel body-203; a first linear bearing-21; a second linear bearing-22; a third linear bearing-23; a fourth linear bearing-24; a first fixed seat-31; a second holder-32; a third fixed seat-33; a support-41; gap-411; an adjustment track-51; a chute-511; -512 an extension edge; adjusting bolt-52.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
As shown in fig. 1 to 3, a cam friction mechanism of a stepping motor comprises a fixing groove 11 and a plurality of friction guide units arranged in a straight line in the fixing groove 11, wherein each friction guide unit comprises a first polished rod 12, a second polished rod 13, a first vertical plate 14, a second vertical plate 15, a connector 16, an adjusting plate 17, a driving motor 18, a connecting block 19 and an adjusting wheel, the first polished rod 12 and the second polished rod 13 are horizontally fixed in the fixing groove 11 and parallel to the width direction of the fixing groove 11, the first polished rod 12 and the second polished rod 13 pass through the first vertical plate 14 and the second vertical plate 15, the first polished rod 12 and the second polished rod 13 are perpendicular to the first vertical plate 14 and the second vertical plate 15, the connector 16 connects the first vertical plate 14 and the second vertical plate, the driving motor 18 is fixed in the fixed slot 11, it has a drive shaft 181, connecting block 19 one end is connected drive shaft 181, the other end is connected the regulating wheel, the vertical setting of regulating plate 17 and with the connecting piece 16 is connected, is equipped with the regulation hole 171 on it, the regulation hole 171 is vertical rectangular shape, the regulating wheel inserts in the regulation hole 171.
Under above-mentioned structure sets up, driving motor 18 drives the drive shaft 181 and rotates, drive shaft 181 drives connecting block 19 and rotates, thereby it rotates around drive shaft 181 to drive the regulating wheel, because the cooperation relation, when the regulating wheel rotated, reciprocating motion about regulating plate 17 will take place, thereby drive reciprocating motion about first riser 14 and the second riser 15, when the friction pulley contact of first riser 14 and second riser 15 and letter sorting dolly, make the friction pulley of letter sorting dolly rotate to equidirectional not, the realization is to the regulation of letter sorting dolly letter sorting direction.
The technical scheme adopts the driving motor 18 for driving, and an air source is not needed to be arranged, so that a large amount of cost is brought by the arrangement of the air source, and the cost can be effectively reduced; in the prior art, two cylinders are required to be arranged in one friction adjusting unit, but the utility model only needs to be provided with one motor, thereby effectively simplifying the structure and ensuring better stability during operation; the driving by the driving motor 18 has higher precision than the driving by the air cylinder, and the accurate positioning can be realized, so that the friction guiding to the sorting trolley can be realized more accurately; meanwhile, under the structure arrangement, the friction guide device is also provided with a mechanical dead point, so that locking can be realized, and the friction guide process is more stable.
Specifically, the regulating wheel includes fixing bolt 201, fixed axle 202 and wheel body 203, be equipped with fixing hole on the connecting block 19, the one end installation of fixed axle 202 wheel body 203, the other end is equipped with fixed screw, fixing bolt 201 pass behind the fixing hole with fixed screw cooperatees. With the structure, the detachable arrangement of the adjusting wheel is realized, and the adjusting wheel can be detached by detaching the fixing bolt 201.
In order to make the sliding of the first and second risers 14 and 15 smoother, the friction guide unit further includes a first linear bearing 21, a second linear bearing 22, a third linear bearing 23 and a fourth linear bearing 24, the first and second linear bearings 21 and 22 are mounted on the first riser 14, the third and fourth linear bearings 23 and 24 are mounted on the second riser 15, the first polish rod 12 passes through the first and third linear bearings 21 and 23, and the second polish rod 13 passes through the second and fourth linear bearings 22 and 24. Under the action of the first linear bearing 21, the second linear bearing 22, the third linear bearing 23 and the fourth linear bearing 24, the first vertical plate 14 and the second vertical plate 15 can smoothly slide along the first polished rod 12 and the second polished rod 13, so that friction is reduced, and guiding action is smoother and more accurate.
Specifically, the connecting member 16 is formed in a plate shape, is horizontally disposed, and has both side edges connecting the first riser 14 and the second riser 15, respectively. Under the structure arrangement, the first vertical plate 14, the second vertical plate 15 and the connecting piece 16 form an H-shaped profile, and the H-shaped profile has good structural stability.
In order to facilitate the fixation of the first and second polish rods 12 and 13, the friction guide unit further includes a first fixing seat 31, a second fixing seat 32, a third fixing seat 33, and a fourth fixing seat fixed to the sides of the fixation groove 11, the first fixing seat 31, the second fixing seat 32, the third fixing seat 33 and the fourth fixing seat are respectively provided with a first fixing hole, a second fixing hole, a third fixing hole and a fourth fixing hole, the first fixed seat 31 and the third fixed seat 33 are oppositely arranged, the second fixed seat 32 and the fourth fixed seat are oppositely arranged, both ends of the first polish rod 12 are inserted into the first fixing hole and the third fixing hole respectively, both ends of the second polish rod 13 are inserted into the second fixing hole and the fourth fixing hole respectively, the first fixing seat 31, the second fixing seat 32, the third fixing seat 33 and the fourth fixing seat are fixed on the side wall of the fixing groove 11 by bolts.
In order to realize the position control of first riser 14 with second riser 15, the friction direction unit still includes position sensing switch, position sensing switch includes support 41, first inductive head and second inductive head, support 41 is fixed in fixed slot 11, be equipped with horizontal breach 411 on it, first inductive head is located the top of breach 411, the second inductive head is located the bottom of breach 411 makes first inductive head with the second inductive head sets up relatively, be equipped with diaphragm 172 on the regulating plate 17, diaphragm 172 is located first inductive head with between the second inductive head.
When needing to be pointed out, a step motor cam friction mechanism needs to be used with a controller, the controller is connected with the driving motor 18, the first induction head and the second induction head, and the controller is used for signal processing. Under the above structure setting, the transverse plate 172 moves leftwards or rightwards, when the transverse plate 172 is located at the middle position, the transverse plate 172 cuts off the inductive connection between the first inductive head and the second inductive head, when the transverse plate 172 moves to the extreme left or right position, the transverse plate 172 is in contact with the cut-off of the first inductive head and the second inductive head, the first inductive head and the second inductive head can mutually sense, and the controller receives a signal to control the rotation of the driving motor 18, so that the first vertical plate 14 and the second vertical plate 15 stop moving or move and turn.
Specifically, in order to facilitate the position adjustment of the position sensing switch during installation, the position sensing switch further includes an adjusting rail 51, the adjusting rail 51 is parallel to the width direction of the fixing groove 11, and the bracket 41 is disposed on the adjusting rail 51 and can be adjusted along the adjusting rail 51.
It is specific, position sensing switch still includes adjusting bolt 52 and adjusting nut, be equipped with the regulation through-hole that runs through its self from top to bottom on the support 41, be equipped with spout 511 on the regulation track 51, the top edge of spout 511 has the extension limit 512 to interior extension, adjusting nut is located in the spout 511, it support the top in extend on the lower surface of limit 512, adjusting bolt 52 passes from top to bottom insert behind the regulation through-hole in the spout 511, and with adjusting nut cooperatees. Under the above structure, when the adjusting bolt 52 is loosened, the bracket 41 is in a movable state, and after the position of the bracket 41 is adjusted to a proper position, the adjusting bolt 52 is tightened, so that the position adjusting setting of the position sensing switch is realized.
The foregoing description of the embodiments is provided to enable one of ordinary skill in the art to make and use the invention and is provided for enabling those of ordinary skill in the art to make and use the invention as provided within the appended claims. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (8)
1. A cam friction mechanism of a stepping motor is characterized by comprising a fixing groove and a plurality of friction guide units, wherein the friction guide units are arranged in the fixing groove in a straight line shape, each friction guide unit comprises a first polished rod, a second polished rod, a first vertical plate, a second vertical plate, a connecting piece, an adjusting plate, a driving motor, a connecting block and an adjusting wheel, the first polished rod and the second polished rod are horizontally fixed in the fixing groove and parallel to the width direction of the fixing groove, the first polished rod and the second polished rod penetrate through the first vertical plate and the second vertical plate, the first polished rod and the second polished rod are perpendicular to the first vertical plate and the second vertical plate, the connecting piece is connected with the first vertical plate and the second vertical plate, the driving motor is fixed in the fixing groove and is provided with a driving shaft, one end of the connecting block is connected with the driving shaft, the other end is connected the regulating wheel, the vertical setting of regulating plate and with the connecting piece is connected, is equipped with the regulation hole on it, the regulation hole is vertical rectangular shape, the regulating wheel inserts in the regulation hole.
2. The cam friction mechanism for stepping motor according to claim 1, wherein said adjusting wheel comprises a fixing bolt, a fixing shaft and a wheel body, said connecting block is provided with a fixing through hole, one end of said fixing shaft is mounted on said wheel body, the other end of said fixing shaft is provided with a fixing screw hole, said fixing bolt is matched with said fixing screw hole after passing through said fixing through hole.
3. The stepping motor cam friction mechanism of claim 1, wherein said friction guiding unit further comprises a first linear bearing, a second linear bearing, a third linear bearing and a fourth linear bearing, said first linear bearing and said second linear bearing being mounted on said first riser, said third linear bearing and said fourth linear bearing being mounted on said second riser, said first polished rod passing through said first linear bearing and said third linear bearing, said second polished rod passing through said second linear bearing and said fourth linear bearing.
4. The stepping motor cam friction mechanism according to claim 1, wherein said connecting member is formed in a plate shape, is horizontally disposed, and has both side edges connected to said first vertical plate and said second vertical plate, respectively.
5. The cam friction mechanism of step motor according to claim 1, wherein said friction guiding unit further comprises a first fixing base, a second fixing base, a third fixing base and a fourth fixing base fixed on the side of said fixing slot, said first fixing base, said second fixing base, said third fixing base and said fourth fixing base are respectively provided with a first fixing hole, a second fixing hole, a third fixing hole and a fourth fixing hole, said first fixing base and said third fixing base are oppositely disposed, said second fixing base and said fourth fixing base are oppositely disposed, two ends of said first polish rod are respectively inserted into said first fixing hole and said third fixing hole, and two ends of said second polish rod are respectively inserted into said second fixing hole and said fourth fixing hole.
6. The cam friction mechanism for stepping motor according to any one of claims 1 to 5, wherein said friction guiding unit further comprises a position sensing switch, said position sensing switch comprises a bracket, a first sensing head and a second sensing head, said bracket is fixed in said fixing groove, a transverse gap is provided thereon, said first sensing head is provided on the top of said gap, said second sensing head is provided on the bottom of said gap, so that said first sensing head and said second sensing head are oppositely disposed, said adjusting plate is provided with a horizontal plate, said horizontal plate is located between said first sensing head and said second sensing head.
7. The cam friction mechanism for step motor according to claim 6, wherein said position sensing switch further comprises an adjusting rail, said adjusting rail is parallel to the width direction of said fixing groove, and said bracket is disposed on said adjusting rail.
8. The cam friction mechanism of a stepping motor according to claim 7, wherein the position sensing switch further comprises an adjusting bolt and an adjusting nut, the bracket is provided with an adjusting through hole penetrating through the bracket from top to bottom, the adjusting track is provided with a sliding groove, the upper edge of the sliding groove is provided with an extending edge extending inwards, the adjusting nut is positioned in the sliding groove and abuts against the lower surface of the extending edge, and the adjusting bolt penetrates through the adjusting through hole from top to bottom and then is inserted into the sliding groove and is matched with the adjusting nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922398768.XU CN211488606U (en) | 2019-12-27 | 2019-12-27 | Cam friction mechanism of stepping motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922398768.XU CN211488606U (en) | 2019-12-27 | 2019-12-27 | Cam friction mechanism of stepping motor |
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| CN211488606U true CN211488606U (en) | 2020-09-15 |
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| CN201922398768.XU Active CN211488606U (en) | 2019-12-27 | 2019-12-27 | Cam friction mechanism of stepping motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918479A (en) * | 2019-12-27 | 2020-03-27 | 长沙六竹机电科技有限公司 | Cam friction mechanism of stepping motor |
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- 2019-12-27 CN CN201922398768.XU patent/CN211488606U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918479A (en) * | 2019-12-27 | 2020-03-27 | 长沙六竹机电科技有限公司 | Cam friction mechanism of stepping motor |
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