CN114550370A - Two-way doublestage telescopic machanism and unmanned machine of selling - Google Patents

Abstract

The invention provides a bidirectional two-stage telescopic mechanism and an unmanned vending machine. The bidirectional two-stage telescopic mechanism comprises a fixed base, a driving moving assembly and an upper moving plate, wherein the fixed base, the driving moving assembly and the upper moving plate are sequentially arranged from bottom to top, and a fixed rack and first bearing guide wheels are arranged on two sides of the fixed base. The driving moving assembly is connected with the fixed base through the fixed rack, and is provided with a driving motor assembly and two telescopic assemblies arranged on two sides of the driving motor assembly. The telescopic assembly comprises a double-sided tooth synchronous belt, and the driving motor assembly drives the double-sided tooth synchronous belt to drive the upper movable plate to move. The bidirectional two-stage telescopic mechanism and the unmanned vending machine provided by the invention are smooth in telescopic movement, the space utilization rate of the unmanned vending machine can be improved, and the convenience for taking goods is improved.

Description

A two-way two-stage telescopic mechanism and unmanned vending machine

technical field

The invention relates to the technical field of mechanical transportation, in particular to a bidirectional two-stage telescopic mechanism and an unmanned vending machine.

Background technique

The traditional two-way telescopic platform or telescopic fork mechanism is mostly a single-stage telescopic structure, and rarely has a double-stage telescopic structure. In the single-stage telescopic structure, generally the upper layer is the moving part that moves in both directions, and the lower layer is the fixed part, of which the fixed part is generally fixed on the stacker or other actuators. Overlapping and connecting space, the size of the fixed base is usually larger than the telescopic travel distance, which eventually leads to the fact that the top moving layer cannot move the items to the middle of the telescopic pallet, the space utilization rate is low, and the movement requirements of the goods cannot be met under special space requirements. . In addition, in the unmanned sales equipment, the single-stage telescopic structure cannot pick and place the goods on both sides of the unmanned sales equipment.

Therefore, the prior art needs to be improved.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is that the single-stage telescopic mechanism in the prior art easily causes the uppermost moving layer to be unable to move the article to the middle position of the telescopic carriage, the space utilization rate is low, and the movement requirement of the goods cannot be met under special space requirements. Therefore, it is necessary to provide a bidirectional two-stage telescopic mechanism and an unmanned vending machine to solve the above problems.

The technical scheme adopted by the present invention to solve the technical problem is as follows:

In the first aspect, the present application provides a two-way two-stage telescopic mechanism, which includes a fixed base, a driving moving assembly and an upper moving plate arranged in sequence from bottom to top, and a fixed rack and a first-layer moving plate are arranged on the fixed base. A bearing guide wheel, the driving moving assembly is connected with the fixed base through the fixed rack, and the driving moving assembly is provided with a driving motor assembly and two telescopic assemblies arranged on both sides of the driving motor assembly, so The telescopic assembly includes a double-sided tooth synchronous belt, and the driving motor assembly drives the double-sided tooth synchronous belt to drive the upper moving plate to move.

In an implementation manner, the length of the fixed base is the same as the length of the driving moving assembly, and the length of the upper moving plate is smaller than the length of the fixed base.

In an implementation manner, the fixed base further includes a fixed bottom support plate, a drag chain connected with the fixed rack, and a first guide rail connected with the driving and moving assembly, and the first bearing guide wheel is used for for the guidance of the drive moving assembly.

In an implementation manner, the fixed base further includes limit position sensors disposed at both ends and an origin detection sensor disposed in the middle of the fixed base support plate, and the fixed base further includes a limit position sensor disposed on the fixed base on the test piece.

In an implementation manner, the drive moving assembly further includes a drive slide plate, and the telescopic assembly includes a synchronous transmission shaft connected with the double-sided tooth synchronous belt, connected with the synchronous transmission shaft and connected with the double-sided toothed synchronous belt The synchronous belt is oppositely arranged with a transmission synchronous belt, a synchronous driving gear arranged on the synchronous transmission shaft, and a second bearing guide wheel arranged on both sides of the driving slide plate.

In an implementation manner, the driving and moving assembly further includes a tensioning wheel set disposed on the double-sided tooth synchronous belt.

In an implementation manner, the drive motor assembly includes a servo motor disposed on the drive slide plate and a reduction box connected to the servo motor.

In an implementation manner, the upper moving plate includes a sliding support plate, a rack provided on the sliding support plate, a third bearing guide wheel and upper guide rails arranged on both sides, the upper guide rails are used to provide The lateral guide of the upper-layer moving plate, and the third bearing guide wheel is used to provide the up-down guide of the upper-layer moving plate.

In an implementation manner, the maximum stroke of the upper moving plate is 600mm.

In a second aspect, the present application further provides an unmanned vending machine, which includes the bidirectional two-stage telescopic mechanism described in any one of the above.

Beneficial effects: The two-way double-stage telescopic mechanism and unmanned vending machine provided by the present invention are provided with a three-layer structure of a fixed base, a driving moving assembly and an upper moving plate, and at the same time, a double-sided toothed synchronous belt is arranged on the driving moving assembly. The double-sided tooth synchronous belt realizes its own two-way expansion and contraction, and at the same time, the double-sided tooth synchronous belt drives the upper moving plate to expand and contract; The two telescopic assemblies on both sides of the motor assembly enable the drive moving assembly and the upper moving board to move in both directions on the left and right sides, so that the upper moving board can transport goods to both sides, improve space utilization, and improve cargo Easy to take.

More embodiments of the present invention can also achieve other advantageous technical effects that are not listed one by one. These other technical effects may be partially described below, and for those skilled in the art, after reading the present invention, they can expected and understood. This Summary is intended to introduce concepts and selections that are further described below in the "Detailed Description" in a simplified form to facilitate the reader's understanding of the invention. This Summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter. All of the above-mentioned features are to be understood as being exemplary only, and further features and objects regarding structures and methods can be gleaned from the present disclosure. A more complete presentation of the features, details, applicability, and advantages of the invention will be presented in the following written description of various embodiments of the invention, illustrated in the accompanying drawings, and defined in the appended claims. Therefore, many limiting interpretations of the content of the present invention cannot be understood without further reading of the entire specification and claims and drawings.

Description of drawings

1 is a schematic diagram of the overall structure of a bidirectional two-stage telescopic mechanism provided by the present invention;

Fig. 2 is the concrete structure schematic diagram of the fixed base shown in Fig. 1;

Fig. 3 is the concrete structure schematic diagram of the drive moving assembly shown in Fig. 1;

Fig. 4 is the concrete structure schematic diagram of the upper moving plate shown in Fig. 1;

FIG. 5 is a schematic diagram of the overall structure of the bidirectional two-stage telescopic mechanism shown in FIG. 1 when in use.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

It will be understood by those skilled in the art that the singular forms "a", "an", "the" and "the" as used herein can include the plural forms as well, unless expressly stated otherwise. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of stated features, integers, steps, operations, elements and/or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components and/or groups thereof. It will be understood that when we refer to an element as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Furthermore, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combination of one or more of the associated listed items.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by ” etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, It is constructed and operated in a particular orientation and is therefore not to be construed as a limitation of the embodiments of the present invention. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or an integral connection; it can be a mechanical connection, an electrical connection or can communicate with each other; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements relation. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations. It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

The terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to limit the present invention. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise. It will also be understood that the terms "comprising" and/or "comprising" when used in the specification refer to the presence of recited features, integers, steps, operations, elements and/or components, rather than excluding one or more The presence or addition of several other features, integers, steps, operations, elements, components and/or groups thereof.

Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. In the following description of the present invention, detailed descriptions of known functions and configurations incorporated herein will be omitted if they would obscure the subject matter of the present invention. Those skilled in the art will appreciate that any features shown in the figures may be exaggerated, reduced or simplified for ease of description and that the figures and elements of the figures are not always shown to scale.

Please refer to FIG. 1-FIG. 5. FIG. 1 is a schematic diagram of the overall structure of the bidirectional two-stage telescopic mechanism provided by the present invention, FIG. 2 is a schematic diagram of the specific structure of the fixed base shown in FIG. 1, and FIG. 3 is the drive shown in FIG. 1. Figure 4 is a schematic diagram of the specific structure of the upper moving plate shown in Figure 1, and Figure 5 is a schematic diagram of the overall structure of the bidirectional two-stage telescopic mechanism shown in Figure 1 when in use.

The present invention provides a bidirectional two-stage telescopic mechanism 100 , which includes a fixed base 10 , a driving moving assembly 20 and an upper moving plate 30 arranged in sequence from bottom to top. The fixed base 10 is provided with a fixed rack 11 and first bearing guide wheels 12 arranged on both sides, and the driving and moving assembly 20 is connected with the fixed base 10 through the fixed rack 11 . The drive moving assembly 20 is provided with a drive motor assembly and two telescopic assemblies disposed on both sides of the drive motor assembly. The telescopic assemblies include a double-sided toothed synchronous belt 221, and the drive motor assembly drives the double-sided toothed synchronous belt 221. The synchronous belt 221 drives the upper moving plate 30 to move. Thereby, the two-stage movement of the driving moving assembly 20 and the upper moving plate 30 is realized, and at the same time, the two-way movement of the driving moving assembly 20 and the upper moving plate 30 is realized through two telescopic assemblies, and the two-stage movement is realized. The function of the two-way telescopic mechanism 100. Further, the length of the fixed base 10 is the same as the length of the driving moving assembly 20 , and the length of the upper moving plate 30 is smaller than the length of the fixed base 10 .

Specifically, the fixed base 10 further includes a fixed bottom bracket 13 , a towline 14 connected to the fixed rack 11 , a towline bracket 15 connected to the towline, and a drive-moving assembly 20 Connected first rail 16 . Wherein, the fixed rack 11 is used to drive the driving moving assembly 20 , the first bearing guide wheel 12 is used to guide the lateral left and right movement of the driving moving assembly 20 , and the fixed bottom bracket 13 It is used to accommodate and support the driving moving assembly 20 and the upper moving plate 30, the drag chain 14 is used to accommodate cables, the drag chain bracket 15 is used to fix and move the drag chain 14, and the first guide rail 16 is used for The purpose is to provide a moving track for the driving moving assembly 20 and prevent it from going off the track. It should be noted that the towline is suitable for the occasion of reciprocating motion, and can play the role of pulling and protecting the built-in cables, oil pipes, gas pipes and water pipes, etc. Each section of the towline can be opened, which is convenient for installation and maintenance. Low noise, wear-resistant and high-speed movement. In this embodiment, the drag chain 14 is used to protect its built-in cables.

In addition, the fixed base 10 further includes limit position sensors 17 disposed at both ends and an origin detection sensor 18 disposed in the middle of the fixed bottom support plate 13 . The limit position sensor 17 and the origin detection sensor 18 are respectively used to detect the position of the driving and moving component 20 to detect whether it exceeds the stroke range and whether it returns to the stroke origin. Further, the fixed base 10 further includes a detection piece 19 arranged on the fixed base 10 , and the detection piece 19 is used to assist the limit position sensor 17 and the origin detection sensor 18 to perform detection.

It should be noted that the driving moving assembly 20 includes two telescopic assemblies disposed on both sides of the driving motor assembly. In this embodiment, only one telescopic assembly is used for description. Specifically, the drive moving assembly 20 further includes a drive slide plate 23, and the telescopic assembly includes a synchronous transmission shaft 222 connected with the double-sided toothed synchronous belt 221, connected with the synchronous transmission shaft 222 and connected with the double-sided toothed synchronous belt 221. The toothed synchronous belt 221 is opposite to the transmission synchronous belt 223 , the synchronous driving gear 224 arranged on the synchronous transmission shaft, and the second bearing guide wheel 225 arranged on both sides of the driving slide plate 23 .

Further, the drive motor assembly includes a servo motor 211 disposed on the drive slide 23 and a reduction box 212 connected to the servo motor 211 . The reduction box 213 is used to reduce or increase the output of the servo motor 211 . The drag chain support 15 is fixed below the reduction box 213 .

The transmission timing belt 223 is used to rotate the output of the reduction box 212 symmetrically and synchronously to the double-sided teeth timing belt 221 , which can solve the problem of the rotation torque of the double-sided teeth timing belt 221 . The synchronous driving gear 224 is used for synchronizing the rack on the fixed rack 11 , and the rack on the fixed rack 11 is fixed. When the synchronous driving gear 224 is driven, the driving can be realized. The overall bidirectional movement of the moving assembly 20.

Further, the double-sided toothed synchronous belt 221 has a bidirectional linear motion under the co-rotation transmission of the synchronous drive gear 224 . Through the combination of the double-sided toothed synchronous belt 221 and the synchronous drive gear 224 The upper moving plate 30 is driven to move. At the same time, a synchronous transmission gear 226 is also provided on the drive motor assembly. The synchronous transmission gear 226 and the synchronous driving gear 224 are set in a gear ratio relationship, which can meet the travel distance requirement of the upper moving plate 30 . The synchronous drive gear 224 is also used to make the rotation direction of the transmission output from the reduction box 212 to the synchronous transmission shaft 222 consistent. The second bearing guide wheel 225 includes two rows of bearing guide wheels, which are used to realize the up-down guidance between the fixed base 10 , the driving moving assembly 20 and the upper moving plate 30 .

The driving and moving assembly further includes a tensioning wheel set 227 disposed on the double-sided toothed synchronous belt 221 , and the tensioning wheel set 227 is used to adjust the tensioning force of the double-sided toothed synchronous belt 221 . Among them, it should be noted that the tensioning pulley is a tensioning device of the belt transmission. When the center distance of the belt cannot be adjusted, the tensioning pulley can be used to tension the belt. The tensioner is a follower wheel that is pressed on the belt in order to change the wrap angle of the pulley or control the tension of the belt, and is a tensioning device for the belt drive.

Further, the upper moving plate 30 includes a sliding support plate 31, a rack 32 arranged on the sliding support plate 31, a third bearing guide wheel 33 and upper guide rails 34 arranged on both sides, wherein the teeth The bar 32 is used to combine with the double-sided tooth synchronous belt 221 to realize the movement of the upper moving plate 30 relative to the driving moving assembly 20 , and the upper guide rail 34 is used to provide the side of the upper moving plate 30 Guide, the third bearing guide wheel 33 is used to provide up and down guidance of the upper moving plate 30 . Preferably, the maximum stroke of the upper moving plate 30 is 600 mm.

In addition, the present invention also provides an unmanned vending machine, which includes the bidirectional two-stage telescopic mechanism 100 described in any one of the above.

In general, the two-way two-stage telescopic mechanism 100 and the unmanned vending machine provided by the present invention, by setting the three-layer structure of the fixed base 10, the driving moving assembly 20 and the upper moving plate 30, simultaneously on the driving moving assembly 20 The double-sided toothed synchronous belt 221 is provided, and the double-sided toothed synchronous belt 221 is arranged to realize its own two-way expansion and contraction, and at the same time, the double-sided toothed synchronous belt 221 drives the upper moving plate 30 to perform telescopic movement, so as to realize double-stage expansion and contraction; , the drive moving assembly 20 is provided with a drive motor assembly and two telescopic assemblies arranged on both sides of the drive motor assembly, so that the drive moving assembly 22 and the upper moving plate 30 can move in both directions on the left and right sides , at the same time, the upper moving plate 30 can transport the goods to both sides, and can also return to the central position of the driving moving assembly 20; in addition, the driving moving assembly 20 and the upper moving plate 30 The second bearing guide wheel 222 and the third bearing guide wheel 33 realize up and down and lateral guiding functions, promote smooth telescopic movement, reduce movement resistance, improve the space utilization rate of the unmanned vending machine as a whole, and improve the convenience of taking goods.

Finally, it should be noted that the foregoing description is illustrative of, and should not be considered limiting of, exemplary embodiments. Although several exemplary embodiments have been described, those skilled in the art will readily appreciate that various modifications can be made in the exemplary embodiments without materially departing from the novel teachings and advantages of the exemplary embodiments. Accordingly, all such modifications are intended to be included within the scope of exemplary embodiments as defined in the claims. In the claims, means-plus-function clauses are intended to cover the structures described herein as well as structural equivalents and equivalent structures as performing the recited function. Therefore, it is to be understood that the foregoing description is an illustration of exemplary embodiments and is not to be considered limited to the specific exemplary embodiments disclosed, and that modifications and other examples of the disclosed exemplary embodiments are to be understood The exemplary embodiments are intended to be included within the scope of the appended claims. The invention is defined by the appended claims, along with the equivalents of the claims to be included therein.

Claims (10)

1. The utility model provides a two-way doublestage telescopic machanism, its characterized in that includes and removes subassembly and upper movable plate from supreme unable adjustment base, the drive that sets gradually down, unable adjustment base is last to set up fixed rack and to set up the first bearing guide pulley in both sides, the drive remove the subassembly with unable adjustment base passes through fixed rack connects, it is in to set up driving motor subassembly and setting on the drive removes the subassembly two flexible subassemblies of driving motor subassembly both sides, flexible subassembly includes the double-sided tooth hold-in range, the driving motor subassembly drive the double-sided tooth hold-in range drives the upper movable plate removes.

2. The dual-direction dual-stage telescoping mechanism of claim 1, wherein the length of the fixed base is the same as the length of the drive moving assembly, and the length of the upper moving plate is less than the length of the fixed base.

3. The dual-direction dual-stage telescoping mechanism of claim 1, further comprising a fixed bottom bracket plate, a drag chain connected to the fixed rack, and a first guide rail connected to the driven moving assembly, the first bearing guide wheel being used for guiding the driven moving assembly.

4. The two-way two-stage telescoping mechanism of claim 3, further comprising limit position sensors disposed at both ends and a home position detecting sensor disposed in the middle of the fixed bottom bracket plate on the fixed base, and further comprising a detecting piece disposed on the fixed base.

5. The mechanism of claim 1, wherein the driving unit further comprises a driving slide plate, and the telescoping unit comprises a timing belt connected to the double-sided timing belt, a timing belt connected to the timing belt and disposed opposite to the double-sided timing belt, a timing driving gear disposed on the timing belt, and second bearing rollers disposed on both sides of the driving slide plate.

6. The two-way dual stage telescoping mechanism of claim 5, wherein the drive moving assembly further comprises a set of tension wheels disposed on the double sided toothed timing belt.

7. The two-way two-stage telescoping mechanism of claim 1, wherein the drive motor assembly comprises a servo motor disposed on the drive sled and a reduction gearbox connected to the servo motor.

8. The mechanism of claim 1, wherein the upper moving plate comprises a sliding plate, a rack disposed on the sliding plate, a third guide roller and upper rails disposed on both sides, the upper rails are used for providing lateral guidance of the upper moving plate, and the third guide roller is used for providing up-and-down guidance of the upper moving plate.

9. The dual-direction dual-stage telescoping mechanism of claim 1, wherein the maximum travel of the upper moving plate is 600 mm.

10. An unmanned merchandiser, comprising at least one bi-directional, dual stage telescoping mechanism as recited in any one of claims 1-9.

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