CN113247552B - Reciprocating intermittent conveying mechanism of medicament conveying platform - Google Patents
Reciprocating intermittent conveying mechanism of medicament conveying platform Download PDFInfo
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- CN113247552B CN113247552B CN202110563431.9A CN202110563431A CN113247552B CN 113247552 B CN113247552 B CN 113247552B CN 202110563431 A CN202110563431 A CN 202110563431A CN 113247552 B CN113247552 B CN 113247552B
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- thread groove
- driving
- screw rod
- gear
- guide part
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- 239000003814 drug Substances 0.000 title claims abstract description 46
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000000717 retained effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 abstract description 6
- 229940079593 drug Drugs 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003937 drug carrier Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G25/00—Conveyors comprising a cyclically-moving, e.g. reciprocating, carrier or impeller which is disengaged from the load during the return part of its movement
- B65G25/04—Conveyors comprising a cyclically-moving, e.g. reciprocating, carrier or impeller which is disengaged from the load during the return part of its movement the carrier or impeller having identical forward and return paths of movement, e.g. reciprocating conveyors
- B65G25/06—Conveyors comprising a cyclically-moving, e.g. reciprocating, carrier or impeller which is disengaged from the load during the return part of its movement the carrier or impeller having identical forward and return paths of movement, e.g. reciprocating conveyors having carriers, e.g. belts
- B65G25/065—Reciprocating floor conveyors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a reciprocating intermittent conveying mechanism of a medicament conveying platform, which comprises a moving seat, a driving screw rod and a driving motor, wherein the moving seat is provided with a guide rail; the medicament carrying platform is fixed relative to the movable seat; a forward thread groove and a reverse thread groove are formed on the driving screw rod, the rotation directions of the forward thread groove and the reverse thread groove are opposite, and two ends of the forward thread groove and the reverse thread groove are respectively communicated; temporary ring grooves are formed on the driving screw rod at intervals of a set distance; the driving motor is in driving connection with the driving lead screw; the movable seat is provided with a guide part capable of moving along the positive thread groove and the negative thread groove. The reciprocating intermittent conveying mechanism of the medicament conveying platform is improved based on the existing medicament packaging machinery, the common screw rod is changed into the driving screw rod with the temporary ring groove and the forward and reverse thread grooves to drive the conveying platform, so that the conveying platform can perform intermittent movement, the guide part can automatically enter one thread groove to realize reversing when reaching the end of the other thread groove, and the driving motor does not need to frequently perform forward and reverse switching.
Description
Technical Field
The invention relates to the technical field of medicine packaging machinery, in particular to a reciprocating intermittent conveying mechanism of a medicine conveying platform.
Background
The existing medicine packaging machine is provided with a medicine carrying platform, the medicine carrying platform is used for bearing medicine containers, the medicine carrying platform is driven by a screw rod to run so as to perform slow uniform motion, and external machinery can carry out the operations of charging the medicine containers on the medicine carrying platform, taking full medicine bottles away and emptying the medicine bottles. As shown in the attached drawing 1, a medicine conveying platform in the existing medicine packaging machinery is driven by a lead screw and a motor to move, the motor runs at a uniform speed, the medicine conveying platform does not stop when moving, higher requirements are provided for medicine filling and medicine bottle taking and placing, and for a medicine filling task with a large medicine filling amount, a medicine filling device needs to finish the medicine filling task along with the walking of the conveying platform, so that the operation trouble is caused, in addition, the medicine conveying platform moves in a reciprocating manner, and the structure of the attached drawing 1 needs to be frequently switched to turn. In view of this, it is necessary to improve the structure of the carrier table so that the carrier table can perform intermittent movement and the motor does not need to switch the steering frequently.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the reciprocating intermittent conveying mechanism of the medicament conveying platform, which can enable the carrying platform to do intermittent movement and enable the motor not to need to switch the steering frequently.
The technical scheme is as follows: in order to achieve the above object, the reciprocating intermittent conveying mechanism of the medicine conveying table of the invention comprises a movable base, a driving screw rod and a driving motor; the medicament carrier table is fixed relative to the mobile seat;
a forward thread groove and a reverse thread groove are formed on the driving screw rod, the rotation directions of the forward thread groove and the reverse thread groove are opposite, and two ends of the forward thread groove and the reverse thread groove are communicated with each other respectively; temporary ring grooves are formed on the driving screw rod at intervals of a set distance;
the driving motor is in driving connection with the driving lead screw;
the movable seat is provided with a guide part capable of moving along the positive thread groove and the negative thread groove.
The guide sleeve is in a cross shape and comprises a main sleeve body, a first vertical part and a second vertical part; the main sleeve body is internally provided with a first through hole which penetrates through the main sleeve body, the main sleeve body is sleeved on the periphery of the driving screw rod and can slide relative to the driving screw rod, a second through hole which is communicated with the first through hole is arranged in the first vertical part, the moving seat is provided with an extending part which is arranged in the second through hole, and the guide part is arranged at the end part of the extending part; the slide acts indirectly on the extension by acting on the second perpendicular portion.
Furthermore, the sliding seat is provided with a pushing portion, a U-shaped notch is formed in the pushing portion, and springs are arranged between two side walls of the U-shaped notch and the second vertical portion.
Further, the device also comprises a force application mechanism which applies force to the guide part so that the guide part is not always retained in the temporary retaining ring groove; the direction of the acting force applied to the guide part by the force application mechanism is parallel to the axial direction of the driving lead screw, and the direction of the acting force is consistent with the target movement direction of the moving seat.
Further, the force application mechanism comprises a sliding seat, a motor, a transmission shaft, a first gear, a second gear, a first rack and a second rack; the transmission shaft is rotatably arranged relative to the sliding seat, the first gear and the second gear are respectively arranged at two ends of the transmission shaft, and the motor is in driving connection with the transmission shaft; a first tooth group is formed on the first rack in an array mode, and the first tooth group is composed of a plurality of first teeth; a second tooth group is formed on the second rack in an array mode, and the second tooth group is composed of a plurality of second teeth; the first gear and the second gear can respectively form meshing relations with the first gear group and the second gear group, the transmission ratios of the two meshing relations are different, only one meshing relation is in a running state at the same time, and the other meshing relation is in a disengagement state; the slide is used for acting on the guide part.
Furthermore, the travel switch is further included, and the travel switch is arranged on two sides of the operation travel of the movable seat.
Has the advantages that: the reciprocating intermittent conveying mechanism of the medicament conveying platform is improved based on the existing medicament packaging machinery, the common screw rod is changed into the driving screw rod with the temporary ring groove and the forward and reverse thread grooves to drive the conveying platform, so that the conveying platform can perform intermittent movement, the guide part can automatically enter one thread groove to realize reversing when reaching the end of the other thread groove, and the driving motor does not need to frequently perform forward and reverse switching.
Drawings
Fig. 1 shows a driving structure of a conventional drug carrying table.
Fig. 2 is a perspective view of a reciprocating intermittent carrying mechanism of the drug carrying stage;
FIG. 3 is a perspective view of the force applying mechanism;
FIG. 4 is a front view of the force applying mechanism portion;
FIG. 5 is a cross-sectional structural view of a portion of the force applying mechanism.
In the figure: 1-a movable seat; 11-a guide; 12-an extension; 2-driving the lead screw; 21-positive thread groove; 22-reverse thread groove; 23-temporary ring groove; 3-driving a motor; 4-a force application mechanism; 41-a slide seat; 411-a pushing part; a 412-U-shaped slot; 42-a motor; 43-a drive shaft; 44-a first gear; 45-a second gear; 46-a first rack; 461 — first set of teeth; 47-a second rack; 471-second set of teeth; 48-a spring; 5, guiding a sleeve; 51-a main sleeve body; 52-a first vertical portion; 53-a second vertical portion; 6-travel switch.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The reciprocating intermittent conveying mechanism of the medicine conveying table shown in fig. 2 comprises a movable base 1, a driving screw 2 and a driving motor 3; the drug carrier is fixed relative to the movable base 1, as shown in fig. 4, a forward thread groove 21 and a reverse thread groove 22 are formed on the driving screw rod 2, the rotation directions of the forward thread groove and the reverse thread groove are opposite, and two ends of the forward thread groove and the reverse thread groove are respectively communicated; temporary ring grooves 23 are formed on the driving screw rod 2 at intervals of a set distance; the driving motor 3 is in driving connection with the driving lead screw 2; the movable base 1 is provided with a guide portion 11 movable along the forward thread groove 21 and the reverse thread groove 22.
Through the structure, the driving screw rod 2 can be rotated by controlling the driving motor 3 to operate, so that the guide part 11 moves in the forward thread groove 21 or the reverse thread groove 22, when the guide part 11 moves to the temporary ring groove 23, the temporary ring groove 23 extends along the circumferential direction of the driving screw rod 2, so that the guide part 11 stays in place for a period of time when the driving screw rod 2 rotates until the driving screw rod enters the next thread groove again to drive the movable seat 1 to continue to move, and thus, the movable seat 1 can be stopped for a period of time when moving for a period of distance; in addition, since the forward thread groove 21 and the reverse thread groove 22 are communicated with each other, when the guiding portion 11 moves to the end of the forward thread groove 21, it enters the reverse thread groove 22 by itself to realize the reverse pushing of the movable seat 1, and similarly, when the guiding portion 11 moves to the end of the reverse thread groove 22, it enters the forward thread groove 21 by itself; thus, the reciprocating intermittent motion of the movable base 1 can be realized, and the medicine carrier table mounted on the movable base 1 can also perform reciprocating intermittent motion.
Preferably, in order to prevent the guide portion 11 from being retained in the retaining ring groove 23 all the time, the device further includes an urging mechanism 4, and the urging mechanism 4 applies an urging force to the guide portion 11 so that the guide portion 11 is not retained in the retaining ring groove 23 all the time; the direction of the force applied by the force applying mechanism 4 to the guide part 11 is parallel to the axial direction of the driving screw rod 2, and the direction of the force is consistent with the target movement direction of the movable seat 1, namely, when the guide part 11 moves along the forward thread groove 21, the force applying mechanism 4 applies a forward force to the guide part 11, when the guide part 11 moves along the reverse thread groove 22, the force applying mechanism 4 applies a reverse force to the guide part 11, so that the guide part 11 can enter a correct thread groove after coming out from the temporary holding ring groove 23.
Specifically, as shown in fig. 3 to 5, the force application mechanism 4 includes a slide 41, a motor 42, a transmission shaft 43, a first gear 44, a second gear 45, a first rack 46, and a second rack 47; the transmission shaft 43 is rotatably mounted relative to the sliding seat 41, the first gear 44 and the second gear 45 are respectively mounted at two ends of the transmission shaft 43, and the motor 42 is in driving connection with the transmission shaft 43; a first tooth group 461 is formed on the first rack 46 in an array manner, and the first tooth group 461 is composed of a plurality of first teeth; a second tooth group 471 is formed on the second rack 47 in an array manner, and the second tooth group 471 is composed of a plurality of second teeth; the first gear 44 and the second gear 45 can respectively form meshing relations with the first tooth group 461 and the second tooth group 471, the transmission ratios of the two meshing relations are different, only one meshing relation is in a running state at the same time, and the other meshing relation is in a disengaging state; the slide 41 is intended to act on the guide 11. When the engagement of the first gear 44 with the first set of teeth 461 is in an operating state and the engagement of the second gear 45 with the second set of teeth 471 is in a disengaged state, the operating speed of the slide 41 is slower than the normal operating speed of the guide 11; when the engagement of the second gear 45 with the second set of teeth 471 is in the operating state and the engagement of the first gear 44 with the first set of teeth 461 is in the disengaging state, the operating speed of the slide 41 is faster than the normal operating speed of the guide 11, which is the operating speed of the guide 11 when the drive screw 2 is in operation and the guide 11 is in the forward thread groove 21 or the reverse thread groove 22.
Preferably, the reciprocating intermittent conveying mechanism of the medicine conveying table further comprises a guide sleeve 5, wherein the guide sleeve 5 is in a cross shape and comprises a main sleeve body 51, a first vertical part 52 and a second vertical part 53; the main sleeve body 51 is internally provided with a first through hole penetrating through the main sleeve body, the main sleeve body 51 is sleeved on the periphery of the driving screw rod 2 and can slide relative to the driving screw rod 2, the first vertical part 52 is internally provided with a second through hole communicated with the first through hole, the moving seat 1 is provided with a protruding part 12 arranged in the second through hole, and the guide part 11 is arranged at the end part of the protruding part 12; the slide 41 acts indirectly on the projecting portion 12 by acting on the second vertical portion 53.
The slide base 41 is provided with a pushing portion 411, a U-shaped notch 412 is formed in the pushing portion 411, and springs 48 are arranged between two side walls of the U-shaped notch 412 and the second vertical portion 53.
Through the structure, when the screw driver operates in the forward direction, the guide part 11 is arranged at one end of the forward thread groove 21, the driving motor 3 drives the driving screw rod 2 to rotate in the forward direction, meanwhile, the motor 42 operates to enable the sliding seat 41 and the guide part 11 to move in the same direction, when the first temporary ring groove 23 is reached, the spring 48 for forward pushing generates compression, and the elastic force of the spring 48 pushes the second vertical part 53 to enable the guide part 11 to be separated from the first temporary ring groove 23 and enter the next thread section of the forward thread groove 21; when the guide part 11 leaves the first temporary holding ring groove 23 and enters the next thread section of the forward thread groove 21, the first gear 44 is engaged with a first tooth group 461 on the first rack 46, at this time, the second gear 45 is in an idle state, so that the running speed of the slide 41 is lower than that of the guide part 11, the spring 48 for forward pushing gradually returns to a normal length, when the spring 48 for forward pushing returns to a normal length, the second gear 45 is engaged with a second tooth group 471 on the second rack 47, at this time, the first gear 44 becomes an idle state, the running speed of the slide 41 is higher than that of the guide part 11, the spring 48 for forward pushing is gradually compressed again until the guide part 11 enters the second temporary holding ring groove 23, the guide part 11 is pushed out by the spring 48 for forward pushing into the next thread section after a period of time of temporary holding in the second temporary holding ring groove 23, and so on, until the guiding part 11 travels to the other end of the forward thread groove 21, along with the continuous operation of the driving screw 2, the guiding part 11 enters one end of the reverse thread groove 22, and starts to run reversely, at this time, the motor 42 runs reversely, the principle of the reverse running is similar to that of the forward running, and is not described again here. In the process, the motor 42 and the driving screw rod 2 only need to run at a constant speed, and the control is convenient.
The reciprocating intermittent conveying mechanism of the medicament conveying platform also comprises a travel switch 6, and the travel switches 6 are arranged on two sides of the operation travel of the movable base 1. The motor 42 and the travel switch 6 are both connected to the controller, and when the travel switch 6 generates a trigger signal, the controller immediately controls the motor 42 to rotate reversely and operate at a preset rotation speed upon receiving the trigger signal, so that the movable base 1 and the sliding base 41 can synchronously perform forward and reverse travel switching.
The reciprocating intermittent conveying mechanism of the medicament conveying platform is improved based on the existing medicament packaging machinery, the common screw rod is changed into the driving screw rod with the temporary ring groove and the forward and reverse thread grooves to drive the conveying platform, so that the conveying platform can perform intermittent movement, the guide part can automatically enter one thread groove to realize reversing when reaching the end of the other thread groove, and the driving motor does not need to frequently perform forward and reverse switching.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (5)
1. A reciprocating intermittent conveying mechanism of a medicament conveying platform is characterized by comprising a movable base (1), a driving screw rod (2) and a driving motor (3); the medicament carrying platform is fixed relative to the moving seat (1);
a positive thread groove (21) and a reverse thread groove (22) are formed on the driving screw rod (2), the rotation directions of the positive thread groove and the reverse thread groove are opposite, and two ends of the positive thread groove and the two ends of the reverse thread groove are communicated with each other respectively; temporary ring grooves (23) are formed in the driving screw rod (2) at intervals of a set distance;
the driving motor (3) is in driving connection with the driving lead screw (2);
the movable seat (1) is provided with a guide part (11) capable of moving along the forward thread groove (21) and the reverse thread groove (22);
the device also comprises a force application mechanism (4), wherein the force application mechanism (4) applies acting force to the guide part (11) so that the guide part (11) cannot be always retained in the retaining ring groove (23); the direction of the acting force applied to the guide part (11) by the force application mechanism (4) is parallel to the axial direction of the driving lead screw (2), and the direction of the acting force is consistent with the target movement direction of the moving seat (1).
2. The reciprocating intermittent carrying mechanism of the medicine carrying table as claimed in claim 1, wherein the force applying mechanism (4) comprises a slider (41), a motor (42), a transmission shaft (43), a first gear (44), a second gear (45), a first rack (46) and a second rack (47); the transmission shaft (43) is rotatably mounted relative to the sliding seat (41), the first gear (44) and the second gear (45) are respectively mounted at two ends of the transmission shaft (43), and the motor (42) is in driving connection with the transmission shaft (43); a first tooth group (461) is formed on the first rack (46) in an array manner, and the first tooth group (461) is composed of a plurality of first teeth; a second tooth group (471) is formed on the second rack (47) in an array mode, and the second tooth group (471) is formed by a plurality of second teeth; the first gear (44) and the second gear (45) can respectively form meshing relations with the first tooth group (461) and the second tooth group (471), the transmission ratios of the two meshing relations are different, only one meshing relation is in a running state at the same time, and the other meshing relation is in a disengaging state; the slide (41) is intended to act on the guide (11).
3. The reciprocating intermittent conveying mechanism of a medicine carrying table according to claim 2, characterized by further comprising a guide sleeve (5), wherein the guide sleeve (5) is in a cross shape and comprises a main sleeve body (51), a first vertical part (52) and a second vertical part (53); the main sleeve body (51) is internally provided with a first through hole penetrating through the main sleeve body, the main sleeve body (51) is sleeved on the periphery of the driving screw rod (2) and can slide relative to the driving screw rod (2), a second through hole communicated with the first through hole is arranged in the first vertical part (52), the moving seat (1) is provided with a protruding part (12) arranged in the second through hole, and the guide part (11) is arranged at the end part of the protruding part (12); the slide (41) acts indirectly on the projection (12) by acting on the second vertical portion (53).
4. The reciprocating intermittent carrying mechanism of a medicine carrying table according to claim 3, wherein the slide base (41) is provided with a pushing portion (411), the pushing portion (411) is provided with a U-shaped notch (412), and a spring (48) is provided between both side walls of the U-shaped notch (412) and the second vertical portion (53).
5. The reciprocating intermittent conveying mechanism of the medicine conveying table as claimed in claim 4, characterized by further comprising a travel switch (6), wherein the travel switch (6) is arranged on both sides of the travel stroke of the movable base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110563431.9A CN113247552B (en) | 2021-05-24 | 2021-05-24 | Reciprocating intermittent conveying mechanism of medicament conveying platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110563431.9A CN113247552B (en) | 2021-05-24 | 2021-05-24 | Reciprocating intermittent conveying mechanism of medicament conveying platform |
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| Publication Number | Publication Date |
|---|---|
| CN113247552A CN113247552A (en) | 2021-08-13 |
| CN113247552B true CN113247552B (en) | 2022-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110563431.9A Active CN113247552B (en) | 2021-05-24 | 2021-05-24 | Reciprocating intermittent conveying mechanism of medicament conveying platform |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3699818A (en) * | 1969-06-13 | 1972-10-24 | Sack Glastech | Apparatus for conveying glass panes through a processing plant |
| CN206068739U (en) * | 2016-09-14 | 2017-04-05 | 燕山大学 | A kind of moving material pause device based on special spiral rod |
| CN107414354A (en) * | 2017-08-03 | 2017-12-01 | 广东博世拓林智能装备有限公司 | A kind of conveying mechanism |
| CN112248511A (en) * | 2020-09-28 | 2021-01-22 | 兰州理工大学 | Solid-liquid separation device |
| CN112809766A (en) * | 2021-03-01 | 2021-05-18 | 谢昌 | Rubber ring segmentation cuts device for automobile rubber part processing |
-
2021
- 2021-05-24 CN CN202110563431.9A patent/CN113247552B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3699818A (en) * | 1969-06-13 | 1972-10-24 | Sack Glastech | Apparatus for conveying glass panes through a processing plant |
| CN206068739U (en) * | 2016-09-14 | 2017-04-05 | 燕山大学 | A kind of moving material pause device based on special spiral rod |
| CN107414354A (en) * | 2017-08-03 | 2017-12-01 | 广东博世拓林智能装备有限公司 | A kind of conveying mechanism |
| CN112248511A (en) * | 2020-09-28 | 2021-01-22 | 兰州理工大学 | Solid-liquid separation device |
| CN112809766A (en) * | 2021-03-01 | 2021-05-18 | 谢昌 | Rubber ring segmentation cuts device for automobile rubber part processing |
Non-Patent Citations (1)
| Title |
|---|
| 间歇进给机构在木工机械设计中的应用;邵一飞;《木工机床》;19800401(第01期);2-10 * |
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Effective date of registration: 20220402 Address after: 226000 Room 405, building 2, No. 109, Yongfu Road, Tangzha Town Street, Chongchuan District, Nantong City, Jiangsu Province Applicant after: Nantong Huazhuo Medical Technology Co.,Ltd. Address before: 301900 jiubaihu village, wubaihu Town, Jizhou District, Tianjin Applicant before: Zhang Meijie |
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Effective date of registration: 20240327 Address after: 215300 Factory Building 3, No. 169, Die Die Road, Yushan Town, Kunshan City, Suzhou, Jiangsu Province Patentee after: Suzhou Yiaonuo Precision Machinery Co.,Ltd. Country or region after: China Address before: 226000 Room 405, building 2, No. 109, Yongfu Road, Tangzha Town Street, Chongchuan District, Nantong City, Jiangsu Province Patentee before: Nantong Huazhuo Medical Technology Co.,Ltd. Country or region before: China |
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