Stand column swing arm stacker crane

Abstract

The stand column swing arm stacker crane comprises the base, the stand column, the lifting mechanism and the swing arm mechanism, a chain lifting assembly of the lifting mechanism is arranged in the mode that a first motor drives a chain wheel to rotate forwards and backwards to drive a chain on the chain wheel to move forwards and backwards, and compared with a traditional chain circulating movement mode, the movement direction of the chain can be simply and rapidly switched; the downtime required for changing the conveying direction is reduced, the production efficiency is improved, and the positive and negative movement of the chain can offset part of errors through the reverse movement, so that the accumulation of the errors is reduced, the transmission stability and accuracy are improved, and the lifting stability and accuracy of the swing arm are further improved; meanwhile, a guide limiting structure is arranged between a fixing assembly of the swing arm mechanism and a lifting guide rail of the lifting mechanism, it is guaranteed that the swing arm mechanism does not deviate along a sliding rail of the lifting guide rail and can be positioned and braked in the lifting process, and the lifting stability is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of column stacking machine technical field, in particular to a kind of column swing arm stacking machine of lifting transmission stability. BACKGROUND

[0002] Column type stacking machine usually adopts circulating chain and guide rail cooperation to realize lifting, chain circulation operation can usually only run along a fixed direction continuously, direction switching can need more complex operation or additional equipment, chain transmission is elongated due to wear after long time use, and chain transmission error gradually accumulates in each cycle, especially in the case of chain wear, which affects transmission stability and accuracy, reduces the precision of swing arm lifting, and affects the accuracy and stability of stacking. SUMMARY

[0003] The utility model aims at overcoming the deficiencies in the prior art, and provides a kind of column swing arm stacking machine for improving the stability and accuracy of swing arm lifting transmission by chain positive and negative sequence motion control and increasing lifting guide limiting structure.

[0004] The utility model aims at overcoming the deficiencies in the prior art, and provides a kind of column swing arm stacking machine for improving the stability and accuracy of swing arm lifting transmission by chain positive and negative sequence motion control and increasing lifting guide limiting structure.

[0005] A kind of column swing arm stacking machine, comprising:

[0006] Base;

[0007] Column, is fixed in the base;

[0008] Lifting mechanism, including chain lifting assembly and lifting guide rail, the chain lifting assembly includes first motor, chain wheel and chain, the first motor is used to drive the chain wheel positive and negative sequence rotation, the chain is under the driving of the chain wheel positive and negative sequence motion, the lifting guide rail is vertically arranged on the left and right outer side of the column;

[0009] Swing arm mechanism, including cantilever, holding assembly and second servo motor, the second servo motor is used to drive the cantilever rotation, the holding assembly is slidably arranged on the lifting guide rail, the holding assembly and the lifting guide rail between being equipped with guide limiting structure, the holding assembly is connected with the chain, the chain lifting drives the holding assembly to slide on the lifting guide rail, the cantilever is connected on the holding assembly.

[0010] Further, the holding assembly includes upper holding part, lower holding part and two side plates, the side plate is connected with the upper holding part above, the side plate is connected with the lower holding part below, the upper holding part is horizontally arranged in the front side of the column by connecting the chain, and the side plate is slidably connected with the lifting guide rail.

[0011] Further, the cantilever is rotatably connected between the upper holding part and the lower holding part, and the cantilever rotates within a range of 180 degrees.

[0012] Further, the cantilever is provided with a first through hole, the upper holding part is provided with a second through hole, the upper holding part is connected with the second through hole and the upper part of the first through hole through a connecting piece, the second motor is fixed below the lower holding part, and the rotating shaft of the second motor is connected with the lower part of the first through hole.

[0013] Further, a group of telescopic components are fixedly arranged on the inside of the stand and the upper holding part, the telescopic component comprises a fixed part and a telescopic part, one end of the telescopic part is fixed on the fixed part, and the other end of the telescopic part is connected with the chain.

[0014] Further, a top base is further arranged above the stand, the chain wheel is contained in the top base, the first motor is arranged on the left side of the top base, chain grooves corresponding to the positions of the telescopic components of the upper holding part are arranged between the top base and the upper holding part, and the chain passes through the chain grooves and is connected with the telescopic components.

[0015] Further, the chain wheel and the chain have two sets, correspondingly, the chain grooves are provided with two chain grooves, and the inside of the stand and the upper holding part are respectively provided with two sets of telescopic components.

[0016] The guide limiting structure comprises a plurality of cam bearing followers and limiting holes, the cam bearing followers are connected on the side plates, the cam bearing followers respectively contact the left side, the right side or the upper side of the lifting guide rail and slide in the same direction along the lifting guide rail, the limiting holes are correspondingly sized with the cam bearing followers, and the limiting holes are equidistantly arranged on the upper side of the lifting guide rail.

[0017] Further, a plurality of connecting positions are arranged on the cantilever and are arranged in the length direction of the cantilever.

[0018] Further, the bottom of the stand is provided with a bottom disc, the bottom disc is connected on the base, and one triangular supporting plate is arranged on each side of the four corners of the stand.

[0019] The utility model discloses the beneficial effect lies in:

[0020] 1. By setting the chain lifting assembly of the lifting mechanism as a first motor driven sprocket rotating in forward and reverse sequence to drive the chain on the sprocket to move in forward and reverse sequence, compared with the traditional chain circulation movement mode, the chain movement direction can be simply and quickly switched, the downtime required due to changing the conveying direction is reduced, the production efficiency is improved, and the forward and reverse sequence movement of the chain can offset part of the error through reverse movement, thereby reducing the accumulation of error, improving the transmission stability and accuracy, and further improving the lifting stability and accuracy of the swing arm.

[0021] 2. The guide limiting structure is arranged between the retaining assembly of the swing arm mechanism and the lifting guide rail, so that the track of the swing arm mechanism sliding along the lifting guide rail is not deviated and can be positioned and stopped during lifting, and the lifting stability is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0023] Figure 1 is a perspective view of the column swing arm palletizer of the present application;

[0024] Figure 2 is a front view of the column swing arm palletizer of the present application;

[0025] Figure 3 is a side view of the column swing arm palletizer of the present application;

[0026] Figure 4 is Figure 3 is an enlarged view of part A. DETAILED DESCRIPTION

[0027] In order to facilitate the understanding of the present application, the present application will be described more fully with reference to the related drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0028] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. Where, when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can also be present. As used herein the terms "vertical", "horizontal", "left", "right" and similar terms are used for explanation purposes only and are not intended to be limiting.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0030] Referring to Figures 1 to 4 A kind of column swing arm palletizer, the palletizer includes base 1, column 2, lifting mechanism and swing arm mechanism fixed in base 1, lifting mechanism, including chain lifting assembly and lifting guide rail 31, chain lifting assembly includes first motor 32, sprocket 33 and chain 34, first motor 32 is used to drive sprocket 33 positive and negative sequence rotation, chain 34 under the drive of sprocket 33 positive and negative sequence movement, lifting guide rail 31 is vertically arranged on the left and right outer side of column 2;Swing arm mechanism, including cantilever 41, holding assembly and second servo motor 42, second servo motor 42 is used to drive cantilever 41 rotation, holding assembly is slidably arranged on lifting guide rail 31, there is guiding and limiting structure between holding assembly and lifting guide rail 31, holding assembly is connected with chain 34, chain 34 lifting drives holding assembly to slide up and down on lifting guide rail 31, cantilever 41 is connected to holding assembly.

[0031] The palletizer is by chain lifting assembly of lifting mechanism being set as first motor 32 drive sprocket 33 positive and negative sequence rotation drive chain 34 on sprocket 33 positive and negative sequence movement, in this way, the running direction of chain 34 can be quickly changed by simply switching the operating switch of controller, reduce the downtime needed due to the change of conveying direction, improve production efficiency, and chain 34 positive and negative sequence movement can offset part of error by reverse movement, thereby reducing the accumulation of error, improve transmission stability and accuracy, further improve the lifting stability and accuracy of swing arm mechanism, and the guiding and limiting structure is arranged between the holding assembly of the swing arm mechanism of the palletizer and lifting guide rail 31, ensure that the track of swing arm mechanism along lifting guide rail 31 does not deviate and can be positioned and stopped during lifting, in the process of stacking, the lifting stability can be further improved.

[0032] The palletizer drives the holding assembly to ascend and descend through the forward and reverse sequence movement of the chain 34, and cooperates with the lifting guide rail 31 and the guide limiting mechanism to realize stable and accurate positioning of the entire swing arm mechanism.

[0033] In an embodiment, the holding assembly comprises an upper holding part 43, a lower holding part 44 and two side plates 45, the side plates 45 are connected to the upper holding part 43 above and connected to the lower holding part 44 below, the upper holding part 43 is arranged horizontally in front of the stand column 2 through the connecting chain 34, and the side plates 45 are slidingly connected to the lifting guide rail 31. The upper holding part 43, the lower holding part 44 and the side plates 45 can be designed integrally or connected as independent components.

[0034] In this embodiment, the cantilever 41 is rotatably connected between the upper holding part 43 and the lower holding part 44, the cantilever 41 is provided with a first through hole 411, the upper holding part 43 is provided with a second through hole 431, the upper holding part 43 is connected to the second through hole 431 and the upper part of the first through hole 411 through a connecting piece, the second motor 42 is fixed below the lower holding part 44, the rotating shaft of the second motor 42 is connected to the lower part of the first through hole 411, and the second motor 42 drives the cantilever 41 to rotate within a range of 180°.

[0035] A set of telescopic components are arranged in the stand column 2 and the upper holding part 43 respectively, the telescopic components comprise a fixed part 51 and a telescopic part 52, one end of the telescopic part 52 is fixed to the fixed part 51, and one end of the telescopic part 52 is connected to the chain 34. During the forward and reverse rotation of the sprocket 33, the chain 34 is subjected to the upward tension and downward recovery of the telescopic components, thereby realizing the ascending and descending of the entire swing arm mechanism along the lifting guide rail 31.

[0036] In order to avoid the sprocket 33 and the chain 34 from being exposed to the environment and being affected by rust or dust pollution, thereby affecting the stability and smoothness of the chain lifting, and to reduce the transmission impact on the sprocket 33 and the chain 34, a top seat 6 is arranged above the stand column 2, the sprocket 33 is accommodated in the top seat 6, the first motor 32 is arranged on the left side of the top seat 6, the top seat 6 and the upper holding part 43 are provided with a chain groove 61 corresponding to the position of the telescopic components on the upper holding part 43, and the chain 34 connected to the upper holding part 43 passes through the chain groove 61 to connect the telescopic part of the telescopic components.

[0037] In order to better maintain the horizontal lifting of the entire holding assembly, the sprocket 33 and the chain 34 have two sets, and correspondingly, the chain groove 61 has two, and the stand column 2 and the upper holding part 43 are each provided with two sets of telescopic components. In this embodiment, the two sets of chains 34 are connected to the left and right of the upper holding part through the corresponding chain grooves 61.

[0038] In another embodiment, the guide limiting structure includes a plurality of cam followers 71 connected to the side plates 45 and in contact with the left and right sides or the top of the lifting guide rail 31, respectively, the cam followers 71 sliding in the same direction along the lifting guide rail 31, and limiting holes 72 corresponding in size to the cam followers 71, the limiting holes 72 being equidistantly arranged on the top of the lifting guide rail 31.

[0039] This design helps the swing arm mechanism to be guided and limited when lifting and braking on the lifting guide rail, the cam followers 71 can efficiently transmit the lifting power, reduce the friction and wear between the holding assembly and the lifting guide rail 31, help to achieve precise position control and speed regulation, and thus realize stable and accurate positioning of the entire swing arm mechanism.

[0040] The pile up machine of the present application is further provided with a connecting position 412 on the cantilever 41 for connecting a clamping jig, the connecting position 412 can be provided with a plurality of connecting positions 412 arranged evenly on the length direction of the cantilever 41. Thus, the cantilever 41 can connect different clamping jigs and flexibly cope with the clamping jig connection requirements of different grabbing positions, that is, the cantilever can replace different clamping jigs and their positions according to needs.

[0041] In order to further enhance the stability of the entire pile up machine, the bottom of the column 2 is provided with a chassis 21 connected to the base 1, and each side of the four corners of the column 2 is provided with a triangular support plate 22 fixed on the chassis 21.

[0042] The above-described embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A column and boom palletizer characterized by, It includes: a base; a column fixed on the base; a lifting mechanism including a chain lifting assembly and a lifting guide rail, the chain lifting assembly including a first motor, a chain wheel and a chain, the first motor being used to drive the chain wheel to rotate in forward and reverse sequences, the chain moving in forward and reverse sequences under the driving of the chain wheel, the lifting guide rail being vertically arranged on the left and right outer sides of the column; an arm mechanism including a cantilever, a holding assembly and a second servo motor, the second servo motor being used to drive the cantilever to rotate, the holding assembly being slidingly arranged on the lifting guide rail, a guide limiting structure being arranged between the holding assembly and the lifting guide rail, the holding assembly being connected with the chain, the chain lifting driving the holding assembly to slide up and down on the lifting guide rail, the cantilever being connected with the holding assembly.

2. The column and boom palletizer of claim 1, wherein, The holding assembly includes an upper holding part, a lower holding part and two side plates, the side plates being connected with the upper holding part above, the side plates being connected with the lower holding part below, the upper holding part being horizontally arranged in front of the column by connecting the chain, and the side plates being slidingly connected with the lifting guide rail.

3. The column and boom palletizer of claim 2, wherein, The cantilever is rotatably connected between the upper holding part and the lower holding part, and the cantilever rotates within a range of 180°.

4. The column and boom palletizer of claim 3, wherein, The cantilever is provided with a first through hole, the upper holding part is provided with a second through hole, the upper holding part is connected with the second through hole and the upper part of the first through hole by a connecting piece, the second servo motor is fixed below the lower holding part, and the rotating shaft of the second servo motor is connected with the lower part of the first through hole.

5. The column and boom palletizer of claim 4, wherein, Telescopic parts are respectively arranged in the column and the upper holding part, the telescopic parts including fixed parts and telescopic parts, one end of the telescopic part being fixed on the fixed part, and one end of the telescopic part being connected with the chain.

6. The column and boom palletizer of claim 5, wherein, A top base is further arranged above the column, the chain wheel is contained in the top base, the first motor is arranged on the left side of the top base, chain grooves corresponding to the positions of the telescopic parts of the upper holding part are arranged between the top base and the upper holding part, and the chain passes through the chain grooves to connect the telescopic parts.

7. The column and boom palletizer of claim 6, wherein, The chain wheel and the chain have two sets, correspondingly, the chain grooves have two, and the column and the upper holding part each have two sets of telescopic parts.

8. The column and boom palletizer of claim 7, wherein, The guide limiting structure includes a plurality of cam followers and limiting holes, the cam followers are connected with the side plates, the cam followers respectively contact the left side, the right side or the upper side of the lifting guide rail and slide in the same direction along the lifting guide rail, the limiting holes have a size corresponding to the cam followers, and the limiting holes are equidistantly arranged on the upper side of the lifting guide rail.

9. The column and boom palletizer of claim 1, wherein, The cantilever is further provided with a plurality of connection positions for connecting clamping jigs, and the connection positions are evenly arranged along the length direction of the cantilever.

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