CN217650236U

CN217650236U - Stepping assembly with accurate positioning function of material box

Info

Publication number: CN217650236U
Application number: CN202221428912.5U
Authority: CN
Inventors: 杨仲晖; 丛明利; 孙国友; 姜永锡
Original assignee: Shinva Medical Instrument Co Ltd
Current assignee: Shinva Medical Instrument Co Ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-10-25
Anticipated expiration: 2032-06-09

Abstract

The utility model provides a step-by-step subassembly with magazine accurate positioning function, including two motion, bottom sprag guide rail and side frame, each motion includes driving motor, connect in the transmission shaft of driving motor's drive end, install the epaxial synchronous pulley of transmission, the suit is in synchronous pulley and links firmly the hold-in range of magazine mounting panel, the both ends bottom of magazine mounting panel is equipped with director installation piece, the installation is used for when the walking of magazine mounting panel on the director installation piece, along the director of bottom sprag guide rail roll walking, universal ball bearing is installed respectively to the both ends lateral part of magazine mounting panel. This application adopts the rolling friction structure between magazine mounting panel and bottom sprag guide rail and the side frame, reduces frictional resistance effectively, avoids producing the abrasive particles pollution production environment, has increased the support of magazine mounting panel bottom and side simultaneously, improves the running accuracy and the motion stationarity of magazine mounting panel.

Description

Stepping assembly with accurate positioning function of material box

Technical Field

The application relates to the technical field of medical mechanical equipment, in particular to a stepping assembly with a magazine accurate positioning function.

Background

The stepping assembly is a key part of the medicine bag arranging and conveying device, the medicine bags are driven to do semi-circular motion through the rotation change angle of the synchronous belt wheel, the medicine bags are accelerated by the accelerating belt and thrown into the material boxes, the medicine bags are clamped by two adjacent material boxes, the medicine bags are collected and sorted, and the medicine bags are sorted through stepping motion.

The material box mounting plate of the stepping assembly, the wear-resistant strips on the frame and the limiting nylon strips on the side edges are all in sliding friction, the friction resistance is large, the wear-resistant strips and the nylon strips are large in abrasion deformation for a long time, particles are easy to produce, and the production environment is polluted.

SUMMERY OF THE UTILITY MODEL

The application provides a step-by-step subassembly with magazine accurate positioning function has solved above-mentioned technical problem.

The application provides a step-by-step subassembly with magazine accurate positioning function, support including two motion, bottom sprag guide rail and side, each motion includes driving motor, connect in the transmission shaft of driving motor's drive end, install in epaxial synchronous pulley, suit in synchronous pulley just links firmly the hold-in range of magazine mounting panel, the both ends bottom of magazine mounting panel is equipped with director installation piece, the installation is used for working as on the director installation piece during the walking of magazine mounting panel, edge the director of bottom sprag guide rail roll walking, the both ends lateral part of magazine mounting panel install respectively with side supports rolling contact's universal ball bearing.

In some embodiments, the side support comprises a side straight line segment arranged on two sides of the magazine mounting plate, a limit guide rail used for limiting the side of the magazine mounting plate, and an annular limit guide rail arranged on an arc-shaped segment and used for connecting the limit guide rails on two sides.

In some embodiments, the guide is embodied as a needle cam guide.

In some embodiments, the curb rails are specifically L-shaped curb rails.

In some embodiments, two guide mounting blocks are respectively arranged at the bottoms of the two ends of the magazine mounting plate, the number of the guides is four, the four guides are respectively mounted on each guide mounting block, and the two guides on the same side are symmetrically arranged relative to the center line of the magazine mounting plate.

In some embodiments, the drive shaft is embodied as an involute spline shaft and the synchronous pulley is embodied as a splined synchronous pulley.

The application provides a step-by-step subassembly with magazine accurate positioning function adds kingpin cam director through the bottom at the both ends of magazine mounting panel to add universal ball bearing in the side of magazine mounting panel. When the magazine mounting plate moves along the synchronous belt, the magazine mounting plate drives the needle roller cam guider to roll along the bottom support guide rail, and meanwhile, the magazine mounting plate drives the universal ball bearing to roll along the side edge of the frame. This application, with among the prior art sliding friction motion between magazine mounting panel and bottom sprag guide rail and the side improve for rolling friction, reduced the motion frictional resistance effectively, increased the bottom and the side support to the magazine mounting panel simultaneously, make magazine motion position more accurate, promote the accurate nature of medicine bag transmission.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic view of a stepping assembly with a precise positioning function for a magazine provided in the present application;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 2;

fig. 5 is a partially enlarged view of fig. 3.

Wherein, 1-bottom support guide rail, 2-driving motor, 3-transmission shaft, 4-synchronous pulley, 5-magazine mounting plate, 6-synchronous belt, 7-guider, 8-universal ball bearing, 9-limit guide rail, 10-annular limit guide rail.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In order to enable those skilled in the art to better understand the scheme of the present application, the present application will be described in further detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 5, fig. 1 is a schematic view of a stepping assembly with a precise positioning function for a magazine according to the present disclosure; FIG. 2 is a top view of FIG. 1; FIG. 3 is a side view of FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 2; fig. 5 is a partially enlarged view of fig. 3.

The application provides a step-by-step subassembly with magazine accurate positioning function, including two motion, bottom sprag guide rail 1 and side frame, two motion distribute in the left and right sides of equipment, and bottom sprag guide rail 1 can supply motion guide motion and provide the holding power to motion.

The motion mechanism comprises a driving motor 2, a transmission shaft 3, a synchronous belt wheel 4 and a synchronous belt 6, wherein the synchronous belt wheel 4 is arranged on the transmission shaft 3 and can synchronously rotate along with the transmission shaft 3. The synchronous belt 6 is provided with a material box mounting plate 5 and a material box. The synchronous belt 6 drives the material box mounting plate 5 to move, the material box assembly collects and arranges the material bags through rotation angle change (vertical storage mode of the material bags) or circular motion (horizontal storage mode of the material bags), the material bags are sorted through stepping motion, and the synchronous belt 6 of the material box is used for arranging and collecting the material bags. The bottom support guide rails 1 arranged at the lower parts of the two sides of the material box mounting plate 5 and the side frame arranged at the outer sides of the two sides of the material box mounting plate 5 can limit the guide motion of the material box mounting plate 5 at the same time.

In addition, the bottom of the two sides of the magazine mounting plate 5 is provided with at least one guide mounting block, the number of the guide mounting blocks on the same side is at least one, each guide mounting block is provided with a guide 7, and when the magazine mounting plate 5 travels, the guide 7 travels along the bottom support guide rail 1 in a rolling manner. Further, universal ball bearings 8 are mounted on both end side portions of the magazine mounting plate 5. In the motion process of the material box mounting plate 5, the rolling part of the universal ball bearing 8 and the side support keep a rolling contact state. The rolling portion of the universal ball bearing 8 protrudes from the end surface of the rolling portion of the guide 7 to prevent interference of movement.

The core of this application lies in, improves the sliding friction structure between magazine mounting panel 5 and bottom sprag guide rail 1 and the side support among the prior art for rolling friction, can reduce frictional resistance effectively, avoids producing the wearing and tearing granule pollution production environment, increases the support to the bottom of magazine mounting panel 5 and side simultaneously, improves magazine mounting panel 5's operation precision and motion stationarity.

In a preferred embodiment, two guide mounting blocks are respectively arranged at the bottoms of the two ends of the magazine mounting plate 5, and the guide mounting blocks can be integrally formed with the magazine mounting plate 5 and can also be locked and fixed through a connecting piece. The number of the guides 7 is four, the guides are detachably mounted on the guide mounting blocks respectively, and the two guides 7 on the same side are symmetrically arranged relative to the center line of the magazine mounting plate 5 in the length direction. The universal ball bearing 8 is arranged in the middle of the material box mounting plate 5.

That is, the bottoms of the two ends of the material box mounting plate 5 are respectively provided with two groups of four guides 7, and the middle part of the side edge of the material box mounting plate 5 between the two guides 7 on the same side is provided with a universal ball bearing 8. The guide 7 is preferably a needle cam guide, preferably but not limited to a socket head type needle cam guide. The screw of the inner hexagonal hole type needle roller cam guider is locked in the internal thread of the guider mounting block and is fastened by a nut. The inner hexagonal hole structure is convenient to adapt to external tools for screwing and mounting, so that the assembly is convenient and labor-saving.

According to a specific embodiment of this application, the side supports includes limit guide 9 and annular limit guide 10, and limit guide 9 sets up in the side straightway of magazine mounting panel 5 both sides, and annular limit guide 10 is used for connecting the limit guide 9 of both sides, and limit guide 9 and annular limit guide 10 pass through the connecting piece to be fixed on the frame. The limit guide rail 9 is used for limiting the side edge of the material box mounting plate 5, and the annular limit guide rail 10 is arranged on the arc sections of the two sides of the stepping assembly. Carry out the lateral part spacing through limit guide 9 and annular limit guide 10 to magazine mounting panel 5, restrict magazine mounting panel 5 horizontal hunting skew, guarantee magazine mounting panel 5 along the direction of transportation even running, guarantee the accurate nature of magazine motion position.

In this embodiment, the magazine mounting plate 5 is limited by the side limit guide rail 9 and the annular limit guide rail 10, so that the movement frictional resistance is reduced, and the synchronous belt 6 is limited at the side and supported in movement. Other annular guide rails and sliding block mechanisms can be adopted to realize guiding and limiting.

The limiting guide rail 9 is preferably an L-shaped limiting guide rail, the horizontal section of the limiting guide rail is arranged above the magazine mounting plate 5, the vertical section of the limiting guide rail is arranged on the outer side of the magazine mounting plate 5, a top and side blocking structure is formed, and the magazine mounting plate 5 is guaranteed to advance according to a preset path.

This application can step-by-step subassembly magazine position of accurate positioning, improves complete machine system stability, improves complete machine functioning speed, improves production efficiency, promotes anchor clamps and snatchs the medicine bag effect, optimizes assembly and maintenance process simultaneously, alleviates intensity of labour, lowers manufacturing cost and human cost.

The bottom support rail 1, the side frame, the limit rail 9 and the annular limit rail 10 can be assembled or disassembled independently. When the matched material box of the product specification or spare parts are replaced, the detachable component is detached from the replaceable detachable component, the whole frame does not need to be detached, and the workload is reduced. The whole movement mechanism can be directly disassembled, maintenance can be carried out in a maintenance room, and the maintenance space is expanded.

Because synchronous pulley 4 on the market adopts the tight cover fastening of rising to fasten on transmission shaft 3. When equipment storage, magazine spaced motion, driving motor 2 drives magazine step motion, and the constant start stops, can lead to the tight cover that rises not hard up for a long time, and the transmission is inefficacy to probably cause the multiunit magazine collision to lead to equipment to warp, position angle deviation can lead to anchor clamps to snatch the medicine bag unsuccessful.

In order to improve this problem, this application adopts the involute spline shaft to replace traditional tight nested structure that rises, supporting with it, and spline synchronous pulley replaces synchronous pulley 4. The involute spline shaft drives the spline synchronous belt pulley to drive the synchronous belt 6 to move, the synchronous belt 6, the material box mounting plate 5 and the material box do circular motion, and the medicine bags are arranged and collected. This kind of structure can reduce the skew of 6 rotation angle positions of hold-in range to make 4 rotational positions of synchronous pulley more accurate, reduce because of the position angular deviation that the magazine striking caused, finally guarantee the assembly precision of medicine bag.

In conclusion, the stepping assembly in the application can reduce the motion friction resistance by additionally arranging the needle roller cam guider at the bottom of the synchronous belt feeding box mounting plate 5 and the universal ball bearing 8 on the side surface. Through addding the spacing subassembly of side, carry out the spacing and motion support of side to hold-in range 6, make the magazine motion position accurate. The involute spline shaft is adopted to replace a tensioning sleeve structure, so that the position deviation of the rotation angle of the synchronous belt 6 caused by the loosening of the tensioning sleeve structure is reduced, the rotation position of the synchronous belt pulley 4 is more accurate, and the position angle deviation caused by the movement impact of the material box is reduced.

It should be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The stepping assembly with the function of accurately positioning the material box provided by the application is described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, without departing from the principle of the present application, the present application can also make several improvements and modifications, and those improvements and modifications also fall into the protection scope of the claims of the present application.

Claims

1. A stepping assembly with a function of accurately positioning a material box comprises two movement mechanisms, a bottom support guide rail (1) and a side support; each motion mechanism include driving motor (2), connect in transmission shaft (3) of the drive end of driving motor (2), install in synchronous pulley (4) on transmission shaft (3), suit in synchronous pulley (4) just link firmly hold-in range (6) of magazine mounting panel (5), its characterized in that, the both ends bottom of magazine mounting panel (5) is equipped with director installation piece, install on the director installation piece and be used for when during the walking of magazine mounting panel (5), follow director (7) that bottom sprag guide rail (1) rolled the walking, the both ends lateral part of magazine mounting panel (5) install respectively with the side supports rolling contact's universal ball bearing (8).

2. The stepping assembly with the function of accurately positioning the magazine as claimed in claim 1, wherein the lateral support comprises a limiting guide rail (9) which is arranged on a lateral straight line section at two sides of the magazine mounting plate (5) and used for limiting the lateral side of the magazine mounting plate (5), and an annular limiting guide rail (10) which is arranged on an arc section and used for connecting the limiting guide rails (9) at two sides.

3. Stepping assembly with magazine fine positioning function according to claim 1, wherein the guides (7) are in particular needle cam guides.

4. Stepping assembly with magazine fine positioning function according to claim 2, characterized in that the limit rail (9) is in particular an L-shaped limit rail.

5. The stepping assembly with the function of accurately positioning the magazine as claimed in claim 2, wherein two guide mounting blocks are respectively arranged at the bottoms of the two ends of the magazine mounting plate (5), the number of the guides (7) is four, the guides are respectively arranged on the guide mounting blocks, and the two guides (7) on the same side are symmetrically arranged relative to the center line of the magazine mounting plate (5).

6. The stepping assembly with the magazine accurate positioning function according to any one of claims 1 to 5, wherein the transmission shaft (3) is an involute spline shaft, and the synchronous pulley (4) is a spline synchronous pulley.