KR20140127794A - Transporting device - Google Patents

Transporting device Download PDF

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Publication number
KR20140127794A
KR20140127794A KR1020147000643A KR20147000643A KR20140127794A KR 20140127794 A KR20140127794 A KR 20140127794A KR 1020147000643 A KR1020147000643 A KR 1020147000643A KR 20147000643 A KR20147000643 A KR 20147000643A KR 20140127794 A KR20140127794 A KR 20140127794A
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KR
South Korea
Prior art keywords
members
plate
conveying
pair
rotary
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KR1020147000643A
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Korean (ko)
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KR101553935B1 (en
Inventor
카나메 미시나
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다이이찌 시세쯔 고교 가부시키가이샤
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Priority to JPJP-P-2013-057259 priority Critical
Priority to JP2013057259A priority patent/JP5547320B1/en
Application filed by 다이이찌 시세쯔 고교 가부시키가이샤 filed Critical 다이이찌 시세쯔 고교 가부시키가이샤
Priority to PCT/JP2013/077914 priority patent/WO2014147877A1/en
Publication of KR20140127794A publication Critical patent/KR20140127794A/en
Application granted granted Critical
Publication of KR101553935B1 publication Critical patent/KR101553935B1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G33/00Screw or rotary spiral conveyors
    • B65G33/02Screw or rotary spiral conveyors for articles
    • B65G33/04Screw or rotary spiral conveyors for articles conveyed between a single screw and guiding means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G33/00Screw or rotary spiral conveyors
    • B65G33/02Screw or rotary spiral conveyors for articles
    • B65G33/06Screw or rotary spiral conveyors for articles conveyed and guided by parallel screws

Abstract

An object of the present invention is to provide a transporting device which can improve the durability and reliability of the transporting device, can be easily manufactured, and can prevent the weight and cost of the transporting device.
In order to solve the above-described problems, the present invention is characterized in that a pair of columnar members (26, 28) having a length in the up-and-down direction and arranged with their axes approximately parallel to each other and a long strip- The members are bent so that the helical winding directions are formed in a spiral shape along a pair of helical curves opposite to each other and the columnar members 26 and 28 are formed around the pair of columnar members 26 and 28, And a pair of spiral plate members 30 and 32 arranged so as to face the columnar members 26 and 28 and the inner faces 30c and 32c in the thickness direction with an interval therebetween.

Description

TRANSPORTING DEVICE
The present invention relates to a conveying apparatus provided with a pair of spiral plate-shaped members used for conveying a conveyed article such as a box-shaped container in a vertical direction.
2. Description of the Related Art Conventionally, a conveyor type conveying apparatus using a conveyor such as a belt conveyor has been widely used for conveying a conveyed article such as a box-like container in a vertical direction. The conveyor-type conveying apparatus is designed to convey the conveyed object in the oblique direction, that is, the conveyed object in the horizontal direction and the vertical direction while slowly moving the conveying object in the vertical direction by providing the conveying surface on which the conveyed object is placed with an angle with respect to the horizontal direction .
However, in the conveyor-type conveying apparatus, if the inclination angle is too large, it becomes difficult to convey the conveyed article, and therefore, the inclination angle has to be reduced. On the other hand, if the inclination angle is made small, there is a problem that the length of the conveyor required for conveying the conveyed article in the vertical direction becomes long, and the size of the conveying apparatus in the horizontal direction becomes remarkably large.
In addition, the above-mentioned conventional conveyor type conveying device is prone to cause an abnormality due to a large number of parts of the conveyor type conveying device, and the frequency of maintenance is increased, However, if the structure is made to be capable of transporting in the up-and-down direction, the structure becomes complicated, which leads to weight increase (weight) of the transport apparatus, increase in manufacturing cost thereof, There was also a problem that caused.
Conventionally, apart from the conveyor type conveying device, there is a screw type conveying device, and the screw type conveying device is also used for conveying a conveyed article such as a box type container in the vertical direction (see Patent Document 1).
1 of Patent Document 1, a pair of vane fixing portions of a columnar shape are arranged in parallel with each other, and on each of the outer circumferential surfaces, an elongated plate having a width A wing portion formed in a spiral shape along the longitudinal direction is wound and the joint portions are integrally fixed to each other by welding.
The first conventional screw-type conveying apparatus comprises a pair of screws, each of which is rotated in a direction opposite to that of each of the pair of blade fixing portions, and a pair of screws And a guide member having parallel guide surfaces.
In the first conventional screw-type conveying apparatus, a conveyed matter is placed on the upper surface of a wing portion having a width from the blade fixing portion of each of the pair of screws to the outside of the radius, The pair of screws are interlocked with each other in the state of being in contact with the guide surface of the guide member and rotated in opposite directions so that the transported article can be moved up and down.
In this first conventional screw-type conveying apparatus, the external size can be made smaller than that of the conventional conveyor-type conveying apparatus, and the installation occupied area thereof can be reduced, and the number of parts thereof can be reduced , And the reliability can be improved.
Japanese Utility Model Registration No. 3163131 Japanese Utility Model Registration No. 3179474
However, since the wing portion of the first conventional screw-type transfer device is formed in a spiral shape with an elongated plate having a width and is wound around the outer peripheral surface of the blade fixing portion and integrally fixed by welding, The screw having a portion becomes heavy, which has a problem in that the weight of the conveying device provided with the screw is increased.
If the weight of the screw becomes heavy, an excessive load is exerted on the driving unit and the rotating mechanism for rotating the screw, so that the durability and reliability of the conveying device can not be improved.
In addition, the screw formed integrally by welding the wing portion formed with the elongated plate having the above-mentioned width to the periphery of the blade fixing portion is expensive, and a lot of efforts and costs So that the manufacturing cost thereof is raised, and there is also a problem that the cost of the conveying device provided with the screw is increased.
In order to solve the problem of the first conventional screw-type transfer device, a second conventional screw-type transfer device has been devised (see Patent Document 2).
In the second conventional screw-type conveying apparatus, as shown in Fig. 1 of Patent Document 2, a pair of columnar rotary columnar members are arranged parallel to each other, Shaped article is formed by bending a round rod-like member having an outer shape of an outer shape of a circular columnar member and is integrally fixed by welding each of the rotary columnar member and the carrying member support portion and the support arm portion there was.
The second conventional screw-type conveying apparatus includes a pair of screws, each of which rotates in a direction opposite to that of each of the pair of rotating columnar members, and a pair of screw- And a guide member having a substantially parallel guide surface.
The second conventional screw-type conveying apparatus is characterized in that a conveyed article is placed on the upper half circular surface of each of the conveyed article support portions of the pair of screws and a part of the conveyed article is brought into contact with the guide surface of the guide member , The pair of screws are interlocked with each other and rotated in opposite directions to move the transported object in the vertical direction.
In the second conventional screw-type conveying apparatus, the weight of the screw can be reduced as compared with the screw-type conveying apparatus of the first conventional example, and the durability and reliability of the conveying apparatus can be improved.
However, in the second conventional screw-type conveying apparatus, the conveyed-article supporting unit is formed by bending a round rod-shaped member having a substantially circular outer shape in the form of a spiral, so that the conveyed- , It is necessary to weld the end faces of the round bar-like members wound in two helical shapes, which is not easy to manufacture and requires a lot of labor and cost, so that the manufacturing cost is increased , There is a problem that the cost of the conveying device provided with the conveyed-material supporting portion is increased.
SUMMARY OF THE INVENTION In view of the above problems, it is an object of the present invention to provide a transport apparatus which can improve the durability and reliability of the transport apparatus, and which is easy to manufacture and which can prevent the weight and cost of the transport apparatus .
Means for Solving the Problems In order to solve the above problems,
A pair of columnar members each having a length in the vertical direction and in which the axes of the columns are substantially parallel,
Wherein a long strip-shaped member is bent and formed in a spiral shape along a pair of helical curves in which helical winding directions are opposite to each other, and wherein the columnar member And a pair of spiral plate members spaced apart from each other with a space therebetween so that the inner surface of the columnar member in the thickness direction thereof faces.
Further, in the carrying apparatus according to the present invention,
And a plurality of connecting members whose one end is fixed to the columnar member by screwing and the other end is fixed to the spiral plate member by screwing.
Further, in the carrying apparatus according to the present invention,
And a guide member having a surface or a portion substantially parallel to the surface including the axis of each of the pair of columnar members.
According to the transport apparatus of the present invention as described above,
A pair of columnar members each having a length in the vertical direction and in which the axes of the columns are substantially parallel,
Wherein the elongated strip-shaped member is bent and formed in a spiral shape along a pair of helical curves in which the helical winding directions are opposite to each other, and a space is formed around each of the pair of the columnar members And a pair of spiral plate members arranged so that the inner surface of the columnar member in the thickness direction thereof is opposed,
It is possible to improve the durability and reliability of the conveying device, and to easily manufacture the conveying device, and to prevent the conveying device from becoming heavy and expensive.
1 is a front view of a transport apparatus 20 according to a first embodiment of the present invention.
2 is a side view showing the conveyors 82 and 84 of the conveyance device 20 shown in Fig.
3 is a cross-sectional view taken along the line AA of the transport apparatus 20 in Fig.
4 is a front view of the rotary structure 22 in Fig.
5 is a top view of the rotary structure 22 in Fig.
6 is a front view of the rotary structure 24 in Fig.
7 is a top view of the rotary structure 24 in Fig.
8 is a view showing the connecting member 34 of the rotary structures 22 and 24 in Figs. 4 to 7, wherein Fig. 8A is a front view thereof, and Fig. 8B is a right side view thereof .
9 is an enlarged front view showing the connecting member 34 of the rotary structures 22 and 24 and the respective members in the vicinity thereof in Figs. 4 to 7. Fig.
Fig. 10 is a cross-sectional view of the connecting member 34 in Fig. 9 and the respective members near it in the BB line direction.
11 is a schematic view of the transfer device 20 as viewed from above of the transported product 21, which is referred to for describing the operation of transporting the transported product 21 from the lower side to the upper side as shown in Fig. 1 .
12 is a partial side view of the conveying device 20 viewed from the side of the conveyed object 21, which is referred to for explaining the operation of conveying the conveyed object 21 from the lower side to the upper side, to be.
Fig. 13 is a side view showing conveyors 82 and 84 of the conveyance device 90 according to the second embodiment of the present invention.
14 is a schematic view of the conveying device 90 viewed from above of the conveyed object 21, which is referred to for describing the operation of conveying the conveyed object 21 from the upper side to the lower side as shown in Fig. 13 .
15 is a partial side view of the conveying device 90 viewed from the side of the conveyed object 21, which is referred to for explaining the operation of conveying the conveyed object 21 from the upper side to the lower side, to be.
DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a transport apparatus according to the present invention will be described in detail with reference to the drawings.
1 to 12 are drawings referred to for describing the transport apparatus 20 according to the first embodiment of the present invention.
1, a pair of prismatic members 26 and 28 (columnar members) each having a length in the vertical direction (vertical direction) are provided in the conveying apparatus 20 according to the present embodiment Respectively. The prismatic members 26 and 28 are arranged side by side in parallel in the left and right direction in the figure.
Strip-shaped spiral plate members 30 and 32, which are formed around the respective pair of prismatic members 26 and 28 in a spiral shape bent along each of a pair of spiral curves, 26 and 28 at regular intervals in the radial direction.
The pair of prismatic members 26 and 28 and the spiral plate members 30 and 32 constitute a pair of rotary structures 22 and 24 respectively and the carrying device 20 rotates in opposite directions And a guide member 48 having a guide surface 48a substantially parallel to the plane including the axes of the pair of rotary structures 22 and 24. The pair of rotary structures 22 and 24, Respectively.
As shown in Figs. 1 and 2, the transport apparatus 20 is used for transporting the transported article 21 in the vertical direction. Here, the transported object 21 is a rectangular parallelepiped having a length size L, a width size W and a height size H, has a bottom surface 21a, and is formed in a box shape with its top surface opened.
5, the rotary structure 22 includes a prismatic member 26 formed into a rectangular tube shape having a length in a direction perpendicular to the paper surface in the figure, And a plurality of connecting members (34) fixed to the spiral plate (34), and each of the plurality of connecting members (34) protruding radially outward of the prismatic member (26) And the angular position of the member 30 is fixed.
The prismatic member 26 of the rotary structure 22 is made of metal and is formed into a rectangular tube shape having four outer side surfaces 26b and a plurality of openings as shown in Fig. The prism member 26 is recessed inward in the horizontal direction from each of the four outer side surfaces 26b so that the nut member 39 is slid in the axial direction (direction perpendicular to the paper in the drawing) Four concave portions 26a are formed.
4, an axis line is disposed on the same straight line as the axis line of the prism member 26, and an outer side of the prismatic member 26 on the axially outer side of the prism member 26 (Not shown) is integrally fixed by screwing or the like.
As shown in Fig. 8 (a), the connecting members 34 of the rotary structure 22 are each formed into a substantially rectangular plate shape so that the inner side surfaces in the thickness direction (left and right direction in the figure) The first and second end plate portions 34a and 34b and the both ends of the first and second end plate portions 34a and 34b in the longitudinal direction And a connecting plate portion 34c which is in contact with each other and connects them.
8 (b), the first end plate portion 34a of the connecting member 34 is opened to extend in the vertical direction with respect to the longitudinal direction thereof (upward and downward in the drawing), and the male screw member 40, Are formed at two locations spaced apart in the longitudinal direction thereof. The long hole 34d is used for fastening between the first end plate portion 34a (one end portion) of the connecting member 34 and the prism member 26. [
A through hole 34e through which the male screw portion of the male screw member 41 loosely passes is formed in the second end plate portion 34b (the other end portion) of the connecting member 34. [ The through hole 34e is used for fixing between the second single plate portion 34b of the connecting member 34 and the spiral plate member 30. [
Each of the plurality of connecting members 34 has substantially the same outer shape as that of the connecting member 34. The first end plate portion 34a of the outer side surface 26b of the prism member 26 has a rectangular- In the circumferential direction, at positions displaced by about 90 degrees from each other about the axis of the rotor.
Each of the plurality of connecting members 34 is disposed at an interval in the axial direction (vertical direction in the drawing) of the prismatic member 26 as shown in Fig. For this reason, other connecting members 34 are overlapped and disposed on the inside of the paper in the drawing of each of the connecting members 34 shown in Fig.
9 and 10, the first end plate portion 34a of the connecting member 34 is in contact with the outer surface 26b of the prism member 26 at its outer side in the thickness direction, The prism member 26 and the plurality of connecting members 34 are integrally formed by being fixed by screw tightening through the male screw member 40 or the like through which the elongated hole 34d is inserted.
That is, as shown in Fig. 10, the male screw member 40 having the male screw portion formed on the outer peripheral portion over its entire length has the left end portion (left end portion) of the male screw member 40 on the first end plate portion 34a of the connecting member 34 The nut member 39 is engaged with the concave portion 26a of the prism member 26 by being inserted into the formed long hole 34d and screwed to the female threaded portion of the nut member 39, The length of the right end portion is passed through a plain washer 45 and a spring washer 44 at a midstream portion of the length and then screwed into the female threaded portion of the nut 41, The prismatic member 26 and the plurality of connecting members 34 are integrally fixed.
The spiral plate member 30 of the rotary structure 22 is made of metal and is formed by using an elongated strip-like member supplied continuously, and the strip-like member is bent and thus proceeds downward in Fig. In a clockwise direction (arrow direction in Fig. 5) when viewed from above.
Here, the helical spiral plate member 30 is formed so that the thickness direction thereof is the same as the radial direction of the helical curve, that is, both sides of the strip-like member in the thickness direction are formed in the inner arc surface 30c , And an outer circular arc surface 30d.
The spiral plate member 30 has a substantially rectangular shape in which the length dimension of the spacing in the horizontal direction from the axis of the prism member 26 is substantially constant and the width size of the prism member 26 and the width size W 1), which is a width of about half of the sum of the widths. Therefore, as shown in Fig. 5, the spiral plate member 30 is seen as a ring shape when viewed from above.
As shown in Figs. 4 and 5, the spiral plate member 30 has a top face 30a whose inclination angle from the horizontal direction is constant, corresponding to the tangential line direction thereof, The pitch P which is the interval between the spiral plate members 30 is set such that when the transported product 21 is placed on the top face 30a of the spiral plate member 30, Is larger than the height size H (see Fig. 2) of the transported article 21 so as not to contact the lower end of the connecting member 34 or the spiral plate member 30 of the spiral plate 30. [
As shown in Figs. 9 and 10, the spiral plate member 30 is provided on the end face in the thickness direction outer side of the second end plate portion 34b of the plurality of connecting members 34, The helical plate member 30 and the plurality of connecting members 34 are formed integrally with each other by being fixed by screw tightening through the male screw member 42 or the like so that the inner arc- .
That is, as shown in Fig. 10, the male screw member 42 provided with the male screw portion on the outer periphery over its entire length has the female screw hole 30b of the spiral plate member 30 at the right end thereof, 30 are screwed to the female threaded portion of the nut 43 so as to be integrally fixed to the spiral plate member 30.
A female screw hole 30b is formed at each position in the middle of the length of the spiral plate member 30 so that the tip of the male screw member 42 is screwed into the female screw hole 30b, It is possible to prevent the male screw member 42 from protruding outward in the radial direction from the outer circumferential surface 30d.
The male screw member 42 is inserted into a through hole 34e formed in the second end plate portion 34b of the connecting member 34 in the middle of the length of the left end portion in the drawing, 34b are screwed to the female threaded portion of the nut 43 from both sides in the thickness direction of the nut 34b through the flat washer 45 and the spring washer 44 so as to be integrally fixed to the connecting member 34. [
Here, by arranging the end faces of the plurality of connecting members 34 on the outer side in the thickness direction of the second end plate portion 34b and the inner side arc surface 30c of the helical plate member 30 so as to face each other, And the distance between them can be adjusted when they are integrally fixed. Therefore, the interval between the spiral plate member 30 and the prism member 26 can be adjusted.
The prismatic member 26 and the spiral plate member 30 are fixed to the plurality of connection members 34 by screwing so that the prismatic member 26 and the spiral plate member 30 are connected to the plurality of connection members 34 The members 34 are integrally formed.
The spiral plate member 30 is disposed at an interval in the horizontal direction between the inner side arc face 30c and the prismatic member 26 so as to face the outer side face 26b of the prismatic member 26 . The spiral plate member 30 is formed by a plurality of connecting members 34 arranged at positions shifted by 90 degrees from each other about the axis of the prism member 26 from the side of the inner arc surface 30c .
As shown in Figs. 1 and 7, the rotary structure 24 is configured such that the helical winding direction of the helical plate member 32 is opposite to the helical winding direction of the helical plate member 30 of the rotary structure 22 And the position fixed to the outer peripheral portion of the prismatic member 28 of each of the plurality of connecting members 34 for supporting the spiral plate member 32 from the side is larger than the position of the plurality of connecting members 34 of the rotary structure 22. [ And is different from the position fixed to the outer peripheral portion of each prism member 26. [
7, the rotary structure 24 includes a prismatic member 28 formed in a rectangular tube shape having a length in a direction perpendicular to the paper surface in the figure, A plurality of fixed linking members 34 and a plurality of helical spirals 34 having respective positions in the longitudinal direction fixed to the respective other ends projecting radially outward of the prismatic members 28 of the plurality of linking members 34, And a plate member (32).
The prismatic member 28 of the rotary structure 24 is made of metal and is formed into a rectangular tube shape having four outer side surfaces 28b and a plurality of openings as shown in Fig. The prism member 28 is recessed toward the inside in the horizontal direction from each of the four outer side surfaces 28b and has a nut member 39 that is slidable in the axial direction A concave portion 28a is formed.
6, each of the prismatic members 28 is arranged such that the axial line thereof is arranged on the same straight line as the axis of the prismatic member 28 and the outer side of the prismatic member 28 on the axially outer side thereof Is fixed integrally by screw tightening or the like.
Each of the plurality of connecting members 34 of the rotary structure 24 has an outer shape substantially identical to an outer shape of the connecting member 34 of the rotary structure 22, Are arranged in order in the circumferential direction at positions shifted from each other by about 90 degrees about the axis of the prismatic member 28 as viewed from above from the outer side 28b of the member 28. [
6, each of the plurality of connecting members 34 is spaced apart from each other in the axial direction (vertical direction in the figure) of the prismatic members 28. [ For this reason, other connecting members 34 are overlapped and disposed on the inside of the paper in the drawing of each connecting member 34 shown in Fig.
9 and 10, the first end plate portion 34a of the connecting member 34 is formed such that the cross-section of the outer side in the thickness direction thereof is in contact with the outer surface 28b of the prismatic member 28, The prism member 28 and the plurality of connecting members 34 are integrally formed by being fixed by screw tightening through the male screw member 40 or the like which passes through the long hole 34d.
10, the male screw member 40 provided with the male screw portion on the outer peripheral portion over its entire length has the long hole 34d formed in the first end plate portion 34a of the connecting member 34 at the left end thereof And the nut member 39 is fastened to the concave portion 28a of the prismatic member 28 by screwing the nut member 39 to the female threaded portion of the nut member 39. At the same time, And then the prism member 45 and the spring washer 44 are passed through the nut member 41 and screwed to the female threaded portion of the nut 41 so that the prism member 28 and the plurality of connecting members 34 are integrally fixed.
The spiral plate member 32 of the rotary structure 24 is made of metal and is formed by using an elongated strip-like member continuously fed as its material. By bending the strip-like member, And is formed in a spiral curve shape wound in a counterclockwise direction (arrow direction in FIG. 7) when viewed from above.
Here, the helical spiral plate member 32 is formed so that the thickness direction thereof is the same as the radial direction of the helical curve, that is, both sides of the strip-like member in the thickness direction thereof face the inner arc surface 32c , And an outer circular arc surface 32d.
The spiral plate member 32 is formed so that the length dimension of the spacing in the horizontal direction from the axis of the prism member 28 is substantially constant and the width size of the prism member 28 and the width size W 1), which is a width of about half of the sum of the widths. Therefore, as shown in Fig. 7, the spiral plate member 32 is seen as an annular shape when viewed from above.
6 and 7, the spiral plate member 32 has a top face 32a having a constant tilt angle from the horizontal direction corresponding to the tangential direction thereof, The pitch P which is the interval between the members 32 is set such that when the transported product 21 is placed on the upper end face 32a of the spiral plate member 32, the upper end of the transported product 21, (See Fig. 2) of the transported article 21 so as not to come into contact with the lower end of the spiral plate member 32 or the spiral plate member 34 as shown in Fig.
As shown in Figs. 9 and 10, the spiral plate member 32 is provided on the end face in the thickness direction outer side of the second end plate portion 34b of the plurality of connecting members 34, The helical plate member 32 and the plurality of connecting members 34 are integrally formed by being fixed by screwing through the male screw member 42 or the like so that the inner arc- .
That is, as shown in Fig. 10, the male screw member 42 provided with the male screw portion on the outer peripheral portion over its entire length has the female screw hole 32b of the spiral plate member 32, Screwed to the female threaded portion of the nut 43 that contacts the spiral plate member 32,
A female screw hole 32b is formed at each position in the length of the spiral plate member 32 so that the tip of the male screw member 42 is screwed into the female screw hole 32b, It is possible to prevent the male screw member 42 from protruding outward in the radial direction from the outer circumferential surface 32d.
The male screw member 42 is inserted into a through hole 34e formed in the second end plate portion 34b of the connecting member 34 in the middle of the length of the left end portion in the drawing, 34b are screwed to the female threaded portion of the nut 43 from both sides in the thickness direction of the nut 34b through the flat washer 45 and the spring washer 44 so as to be integrally fixed to the connecting member 34. [
Here, by arranging the end faces of the plurality of connecting members 34 on the outer side in the thickness direction of the second end plate portion 34b and the inner side arc surface 32c of the helical plate member 32 so as to face each other, And the distance between them can be adjusted when they are integrally fixed. Therefore, the interval between the spiral plate member 32 and the prism member 28 can be adjusted.
The prismatic member 28 and the helical plate member 32 are fixed to the plurality of connecting members 34 by screwing so that the prismatic member 28 and the helical plate member 32 are connected to the plurality of connecting members 34 The members 34 are integrally formed.
The helical plate member 32 is disposed at an interval in the horizontal direction between the helical plate member 32 and the prism member 28 so that the inner arc surface 32c thereof faces the outer side surface 28b of the prism member 28 . The helical plate member 32 is uniformly distributed from the side of the inner arc surface 32c (side) by a plurality of connecting members 34 disposed at positions displaced by 90 degrees from each other about the axis of the prism member 28 .
An inverted U-shaped protection member 36 can be attached to cover the upper end surfaces 30a and 32a of the spiral plate members 30 and 32 as shown in Fig. The protective member 36 is made of a resin and can prevent damage to the transported article 21 which is in contact with the top face 36a.
Next, as shown in Figs. 1 and 2, the case body 46 of the transfer device 20 is composed of a frame body 56, an upper plate 58, a lower plate 54, And a pedestal 50.
The frame body 56 of the case body 46 is fixed to the frame body 56 by a fastening member such as an L-shaped bracket, a bolt, or a nut by combining the metal frames 52 laterally and laterally, Respectively. The frame body 56 is placed on the lower plate 54 and fixed to the lower plate 54.
The upper plate 58 of the case body 46 is formed in a substantially rectangular plate shape and placed horizontally on the frame body 56 and fixed to the frame body 56. [ Therefore, the upper surface 54a of the lower plate 54 and the lower surface 58b of the upper plate 58 are arranged substantially parallel to face each other.
Two through holes passing through in the thickness direction are formed in the upper plate 58 with a space therebetween, and are formed at positions corresponding to the two through holes of the lower plate 54, respectively.
The lower plate 54 of the case body 46 is formed in a substantially rectangular plate shape and placed horizontally on the table 50 to be fixed to the table 50. In the lower plate 54, two through-holes penetrating in the thickness direction are formed so as to be spaced apart from each other.
The frame 50 of the case body 46 is composed of an angular tubular metal frame 52 whose cross-section is substantially rectangular in shape and which is laterally and laterally combined to be fastened to a fastening member such as an L-shaped bracket, bolt, So that the outer shape is formed into a substantially rectangular parallelepiped frame shape.
The shaft member 38 at the upper end of the rotary structure 22 and the shaft member 38 at the upper end of the rotary structure 24 penetrate two through holes formed in the upper plate 58 of the frame body 56, And is rotatably supported by a bearing 66 attached near the through hole of the upper surface 58a of the shaft 58.
The shaft member 38 at the lower end of the rotary structure 22 and the shaft member 38 at the lower end of the rotary structure 24 pass through the two through holes formed in the lower plate 54 of the frame body 56, And is rotatably supported by a bearing 68 attached near the through hole of the lower surface 54b of the lower plate 54. [
Therefore, the rotary structures 22 and 24 are rotatably supported by the bearings 66 and 68 attached to the upper and lower plates 58 and 54 of the frame body 56, . At this time, the axis of the axis member 38 of each of the rotary structures 22, 24 is arranged in parallel in the vertical direction.
An upper frame 60 and a lower frame 62 are provided above and below the frame body 56, respectively, and they are formed into a quadrangular frame shape when viewed from above. A transparent plastic wall plate 64 is attached between the pair of adjacent frames 52 between the upper frame 60 and the lower frame 62 and in the horizontal direction with respect to each other. Therefore, the rotary structures 22 and 24 are covered by the transparent wall plate 64 of the case body 46, except for a part thereof.
2, a conveyor 84 on the conveyed-goods carry-out side is disposed in the vicinity of the upper frame 60 on the side opposite to the conveyer 82 on the conveyed-article supply side disposed below the frame body 56 . A guide member 48 is provided on the inside of the wall plate 64 on the opposite side of the conveyor 82 of the frame body 56.
An opening (not shown) larger than the outer size of the transported product 21 is formed in the vicinity of the conveyor 82 of the wall plate 64 on the side of the conveyor 82 to transport the transported product 21 through the opening (Not shown).
As shown in Figs. 1 and 2, the guide member 48 is formed in a flat plate shape, and the inner guide surface 48a is parallel to the plane including the two axes of the rotary structures 22 and 24 Respectively.
3, the shaft member 38 at the lower end of the prismatic member 26 of the rotary structure 22 is connected to the shaft hole of the gear 70 via a key (not shown) The shaft member 38 at the lower end of the prismatic member 28 of the rotary structure 24 is connected to the shaft hole of the gear 72 via a key (not shown)
3, the gears 70 and 72 have the same number of teeth and are driven by the motor 80 to rotate the shaft member 38 of the rotary structure 22, And the gear 72 are meshed with each other.
Therefore, the gears 70 and 72 are interlocked with each other by meshing with each other. When the gear 70 is rotated, the gear 72 rotates in the opposite direction at the same speed. Accordingly, the rotary structures 22 and 24 are also interlocked with each other, and the rotary structures 22 and 24 rotate in the opposite direction at the same speed.
The tops 30a and 32a of the rotating structures 22 and 24 are positioned at the positions where the helical spiral plate members 30 and 32 come close to each other, As shown in FIG.
3, a pulley 74 is attached to the lower side of the gear 70 (the front side of the gear 70 in the figure) fixed to the axis member 38 at the lower end of the prism member 26, A belt 78 is wound around the outer periphery of the belt 74.
The belt 78 has an outer periphery of a pulley 76 having an axis disposed parallel to and parallel to the axis of the shaft member 38 of the prism member 26 to which the pulley 74 is attached, Edo is wrapped around.
The pulley 76 includes a drive shaft 80a which is driven by a motor 80 and has an axis parallel to the axis member 38 of the rotary structures 22 and 24 at its rotation center, (Not shown) so that relative rotation is impossible.
Therefore, when the motor 80 drives the rotation of the drive shaft 80a, the drive shaft 80a of the motor 80 is connected to the gear 70 via the pulley 76, the belt 78 and the pulley 74, The gear 70 and the gear 72 are engaged with each other and interlocked with each other so that the rotary structures 22 and 24 can be rotated in directions opposite to each other.
Next, the operation of the transport apparatus 20 according to the first embodiment of the present invention will be described.
2, the box-shaped transported matter 21 is conveyed by a conveyor 82 that feeds the box-shaped transported matter 21 to the conveying device 20, and sequentially rotates the rotary structures 22 and 24 in parallel in the conveying direction, And the frame body 56 as shown in Fig.
The end of the lever 86 which is driven by the expansion and contraction movement of the extension rod 88a of the cylinder 88 to move up and down is engaged with the lower right corner of the conveyed object 21 in FIG. (Not shown) of the wall plate 64 of the frame body 56 of the transfer device 20 one by one by moving the transfer object 21 forward or backward by stopping or releasing the transfer object 21, To the lowermost position in the frame body 56. [0052]
11 and 12, the transported matter 21 supplied into the frame body 56 of the transport apparatus 20 is transported to the transporting path of the spiral plate members 30, 32 below the rotating structural bodies 22, And is mounted on the upper end surfaces 30a and 32a, at which the uppermost height position is roughly matched at the corresponding position.
At this time, the upper end surfaces 30a and 32a of the spiral plate members 30 and 32 are located between the columnar members 26 and 28 of the rotary structures 22 and 24 on which the transported article 21 is placed, Since the delivery side is low as shown in Figs. 2 and 12 and the supply side in Fig. 11 is inclined as shown in Fig. 2 and Fig. 12, the transported matter 21 carried thereon is, The bottom surface 21a is brought into contact with the upper end surfaces 30a and 32a of the spiral plate members 30 and 32 so as to be tilted.
2) from the supply side (left side in Fig. 2) by the inclination of the spiral plate members 30, 32 of the rotary structures 22, 24, 12) is brought into contact with the guide surface 48a of the guide member 48 attached to the inside of the wall plate 64 on the carry-out side of the frame body 56.
3, when the drive shaft 80a of the motor 80 is driven and rotated, the pulley 76, the belt 78, the pulley 74, the shaft member 38, and the gears 70 and 72 The rotary structures 22 and 24 rotate in opposite directions to each other. Here, FIG. 3 is a view showing the transport apparatus 20 from below, while FIG. 11 is a view showing the transport apparatus 20 from above.
11, the prismatic member 26 of the rotary structure 22 rotates in a clockwise direction when viewed from above, and the prismatic member 28 of the rotary structure 24 is rotatably supported by the prismatic member 26, And is rotated in the counterclockwise direction when viewed from above.
The spiral plate members 30 and 32 of the rotary structures 22 and 24 are rotated by the rotation of the rotary structures 22 and 24 from the above described helical winding direction to between the prismatic members 26 and 28 2 and 12, as shown in Fig.
12, the spiral plate members 30 and 32 of the rotary structures 22 and 24 are arranged between the pillar members 26 and 28 on which the transported product 21 is placed, .
The front surface of the conveyed object 21 is rubbed against the guide surface 48a of the guide member 48 and rubbed against the top surface of the spiral plate members 30, Rises on the surfaces 30a and 32a while rubbing.
As shown in Fig. 12, the transported object 21 is moved by a distance corresponding to the pitch P of the rotary structures 22, 24 each time the rotary structures 22, 24 rotate once (360 degrees) And the subsequent conveyed matter 21 is newly supplied from the conveyor 82 onto the upper end surfaces 30a and 32a of the next spiral plate members 30 and 32 below the lower spiral plate members 30 and 32. [
The conveyed matter 21 on the spiral plate members 30 and 32 of the rotary structures 22 and 24 is rotated in a direction opposite to the rotational direction of the upper frame 60 of the frame body 56 The portion that was in contact with the guide surface 48a of the guide member 48 is not in contact with the guide surface 48a.
As a result, as shown in Fig. 2, the transported article 21 which has been tilted and supported is slid forward from the upper end surfaces 30a and 32a of the spiral plate members 30 and 32, And is transported away onto a conveyor 84 which transports the transported product 21. [
Thus, the conveying device 20 can elevate the height of the transported product 21 at regular intervals and transport the transported product 21 from below the frame body 56 upward.
In the conveying apparatus 20 according to the first embodiment of the present invention, the rotary structures 22 and 24 are provided with the prismatic members 26 and 28, the plurality of connecting members 34, Shaped screw spiral plate members 30 and 32 formed by bending the spiral curved plate members 30 and 32 so as to have a heavy wing portion and a conveying support portion as compared with the pair of screws in the first and second conventional screw- It is possible to prevent the conveying apparatus 20 from becoming heavy.
Since the weight of the conveying apparatus 20 according to the present embodiment can be reduced as described above, it is possible to reduce the burden imposed on the driving unit and the rotating mechanism for rotating the prismatic members 26 and 28, The durability of the transport apparatus 20 can be improved, and the reliability thereof can be improved.
The conveying apparatus 20 according to the present embodiment is characterized in that the rotary structures 22 and 24 are constituted by the prismatic members 26 and 28 and the plurality of connecting members 34 and the elongated strip- And the spiral plate members 30 and 32 in the form of a spiral curved line formed by bending the spiral plate members 30 and 32. In the first conventional screw-type transfer device, The screw-type conveying apparatus does not have a conveying member supporting portion which requires welding of the end faces of the round bar-shaped member, so that the production is easy and the manufacturing cost can be reduced, Can be prevented from being increased.
The conveying apparatus 20 according to the present embodiment is characterized in that the rotary structures 22 and 24 are constituted by prismatic members 26 and 28 which are constituent members thereof and a plurality of connecting members 34, (30, 32) can be integrally formed by screw tightening without welding, the manufacturing thereof is easy, the manufacturing cost thereof can be reduced, and the cost of the transfer device (20) Can be prevented.
As described above, according to the conveying apparatus 20 of the present embodiment, the durability and reliability of the conveying apparatus 20 can be improved, and it is easy to manufacture, and the weight of the conveying apparatus 20 It is possible to prevent an increase in cost and an increase in cost.
13 to 15 are drawings referred to for describing the transport apparatus 90 according to the second embodiment of the present invention.
In the transport apparatus 20 according to the first embodiment, the height position of the transported article 21 is moved upward from a low position to a high position. However, in the transport apparatus 90 according to the second embodiment, So that the height position of the guide member 21 is lowered from a high position to a low position and is transported.
2, the conveyor 82 for feeding the transported product 21 is disposed at a position on the side of a lower height of the transport apparatus 20, The conveyor 84 for conveying the conveyed article 21 from the frame body 56 is disposed at a position higher in height than the conveyor 84. In the conveyor apparatus 90 according to the second embodiment, And the conveyor 82 that feeds the transported product 21 is positioned on the side of the higher side of the transporting device 90 and the conveyor 84 that transports the transported product 21 out of the frame 56 As shown in Fig.
Next, the operation of the transport apparatus 90 according to the second embodiment of the present invention will be described.
As shown in Fig. 13, the box-like transported matter 21 as described in the transport apparatus 20 is transported by a conveyor 82 for feeding the transported article 21 to the transport apparatus 90, And is conveyed upwardly of the rotary structures 22 and 24 side by side.
The end of the lever 86 which is driven by the expansion and contraction movement of the extension rod 88a of the cylinder 88 and moves up and down is engaged with the lower right corner of the conveyed object 21 in FIG. (Not shown) of the wall plate 64 of the frame 56 of the transporting device 90 one by one by moving the transported product 21 forward or backward To the uppermost position in the frame body 56. [
As shown in Figs. 14 and 15, the transported matter 21 supplied into the frame body 56 of the transporting device 90 is held by the spiral plate members 30, 32 above the rotating structural bodies 22, And is mounted on the upper end surfaces 30a and 32a whose uppermost height is roughly matched at a corresponding position.
At this time, in the same manner as the conveying apparatus 20 according to the first embodiment, the spiral plate members 30, 30 are disposed between the columnar members 26, 28 of the rotary structures 22, 24 on which the transported products 21 are placed, 14 are inclined such that the height on the carry-out side in Fig. 14 is low as shown in Fig. 13 and the height on the supply side in Fig. 14 is as high as shown in Fig. 13, As shown in Fig. 15, the carrying article 21 to be loaded is placed in a state in which the bottom surface 21a thereof is brought into contact with the upper end surfaces 30a and 32a of the spiral plate members 30 and 32 in an inclined state.
13) is fed from the supply side (left side in Fig. 13) into the frame body 56 by the inclination of the spiral plate members 30, 32 of the rotary structures 22, 24, 15) is brought into contact with the guide surface 48a of the guide member 48 attached to the inside of the wall plate 64 on the carry-out side of the frame body 56.
3, when the drive shaft 80a of the motor 80 is driven and rotated, the pulley 76, the belt 78, the pulley 74, the shaft member 38, and the gears 70 and 72 The rotary structures 22 and 24 rotate in opposite directions to each other. Here, FIG. 3 is a view showing the transport apparatus 20 from below, while FIG. 14 is a view showing the transport apparatus 90 from above.
14, the prismatic member 26 of the rotary structure 22 rotates counterclockwise when viewed from above, and the prismatic member 28 of the rotary structure 24 is rotatably supported by the prism member 26 The spiral plate members 30 and 32 of the rotating structural bodies 22 and 24 are rotated in the clockwise direction when viewed from the upper side in the direction opposite to the rotation direction of the rotary structures 22 and 24, 24 and 24, it is possible to move the transported matter 21, which is supported and positioned between the prismatic members 26 and 28, downward in Figs. 13 and 15.
15, the spiral plate members 30 and 32 of the rotary structures 22 and 24 are arranged between the pillar members 26 and 28 on which the transported product 21 is placed, The height positions of the top faces 30a and 30b contacting the face 21a are gradually lowered and rotated so as to enter the lower side of the transported object 21. [
The front surface of the conveyed object 21 is rubbed against the guide surface 48a of the guide member 48 and rubbed against the top surface of the spiral plate members 30, And falls on the surfaces 30a and 32a while being rubbed.
As shown in Fig. 15, the transported object 21 is moved by a distance corresponding to the pitch P of the rotary structures 22, 24 each time the rotary structures 22, 24 rotate once (360 degrees) And the subsequent conveyed matter 21 is newly supplied from the conveyor 82 onto the upper end surfaces 30a and 32a of the next spiral plate members 30 and 32 above the upper spiral plate members 30 and 32.
The conveyed matter 21 on the spiral plate members 30 and 32 of the rotary structures 22 and 24 is rotated in the direction opposite to the rotational direction of the lower frame 62 of the frame body 56 The portion that was in contact with the guide surface 48a of the guide member 48 is not brought into contact with the guide surface 48a.
Therefore, as shown in Fig. 13, the transported article 21, which has been tilted and supported, slips forward from the upper end surfaces 30a and 32a of the spiral plate members 30 and 32, And is transported away onto a conveyor 84 which transports the transported product 21. [
Thus, the conveying device 90 can lower the height position of the transported matter 21 at regular intervals, and can transport the transported matter 21 from above the frame body 56 downward.
The conveying device 90 according to the second embodiment of the present invention can also improve the durability and reliability of the conveying device 90 like the conveying device 20 according to the first embodiment, And it is also possible to prevent the conveying device 90 from becoming heavy and expensive.
For reference, the present invention is not limited to the above-described embodiments, and various modifications of the transport apparatus are possible within a range in which the object of the present invention can be achieved.
For example, in the transport apparatuses 20 and 90 according to the first and second embodiments, the frame body 56, the upper plate 58, the lower plate 54, and the case body 46 The rotary members 22 and 24 and the guide member 48 are attached to the interior of the rotary structure 2. However, the rotary members can arrange the axes of the rotary members in parallel with each other, Any other configuration may be used as long as it can guide the conveyed object.
The rotary structures 22 and 24 of the conveying devices 20 and 90 are rotated by the motor 80 through the gears 70 and 72, the pulleys 74 and 76 and the belt 78, But it is not limited to such a configuration as long as it can rotate in the opposite direction at the same speed with each other.
The rotary structures 22 and 24 of the conveying devices 20 and 90 are provided with the prismatic members 26 and 28 which are constituent members thereof and a plurality of connecting members 34 and the helical plate members 30 The screw members 30 and 32 may be integrally fixed by screwing and the screw members 30 and 32 may be integrally fixed by screwing. The present invention is not limited to this configuration.
For example, an internally threaded portion may be formed in the prismatic member, and the prismatic member and the spiral plate member may be integrally fixed via a threaded rod member.
The prismatic members 26 and 28 in the conveying apparatuses 20 and 90 are formed in a cylindrical shape having a rectangular cross section. However, the cross-sectional shape of the prismatic members 26 and 28 may be a polygonal shape or a circular shape, (Solid, solid) shape instead of the hollow (hollow) shape.
The conveying device 20 or 90 can be configured such that the conveyed matter 21 is directly placed on the upper end surfaces 30a and 32a of the spiral plate members 30 and 32 or through the protective member 36, The upper surface 30a of the spiral plate member 30 and the upper surface 30a of the spiral plate member 32 are arranged to be in contact with the upper surfaces 30a and 32a of the spiral plate members 30 and 32, A member other than the protection member 36 may be interposed.
The connecting members 34 of the rotary structures 22 and 24 in the carrying devices 20 and 90 are disposed such that one end thereof is shifted in the horizontal direction by about 90 degrees about the axis of the prism member , But may be disposed at positions deviated by other angles other than 90 degrees.
The spiral plate members 30 and 32 of the rotary structures 22 and 24 in the conveying apparatuses 20 and 90 may be designed to have the same size as that of the prismatic members 26 and 28 The length of the pitch or the inclination may be changed.
The guide member 48 of the conveying device 20 or 90 is formed in a flat plate shape and has a guide surface 48a parallel to the plane including the axis of the pair of rotary structures 22, However, the guide member may have a plurality of rollers arranged in a planar shape, or may have a portion parallel to the axis of the pair of rotary structural bodies. For example, a plurality of Or any other shape such as an elongated rail member such as an elongated rail member.
Further, the guide member may be formed of a member having elasticity or flexibility. By forming the guide member from a member having elasticity or flexibility, it is possible to prevent a part of the guide member from being in contact with the transported material and damaging the transported material.
The transported product 21 in the transport apparatuses 20 and 90 is a rectangular parallelepiped having a length size L, a width size W and a height size H and has a bottom surface 21a, It is possible to use a structure in which the upper end thereof is not opened but is formed in a box shape in which six faces are packed, as long as the upper end is openable and box-shaped and can be loaded and moved on the respective transported matter support portions of the pair of rotary structures , Or a round shape not formed in a box shape.
The base 50 and the frame 56 of the transport apparatuses 20 and 90 are combined with each other in the shape of an angular tubular metal frame 52 having a substantially rectangular cross- The outer shape is formed into a frame shape of a substantially rectangular parallelepiped by being fixed to each other by a fastening member such as an L-shaped bracket, a bolt or a nut. However, the angle of the mountain- And the contact portions of the mutually contacting portions are fixed by welding so that the outer shape may be formed in a frame shape of a substantially rectangular parallelepiped.
The conveyors 82 and 84 of the conveying devices 20 and 90 are arranged at angles with respect to the horizontal direction in Figs. 2 and 9, but they may be arranged horizontally. Further, any other configuration may be employed as long as it is capable of supplying the transported article to the transport apparatus or transporting the transported article from the transport apparatus.
20:
21: Return Material
21a: bottom surface
22, 24: rotating structure
26, 28: Prismatic member
26a, 28a:
26b, 28b: outer surface
30, 32: spiral plate member
30a, 32a: upper surface
30b, 32b: female thread hole
30c, 32c: inner circumferential surface
30d, 32d: outer circumferential surface
34:
34a: first end plate portion
34b: second end plate portion
34c:
34d: Long hole
34e: Through hole
36: protective member
36a: Top surface
38: Axial member
39: Nut member
40: male thread member
41: Nuts
42: male thread member
43: Nuts
44: Spring washer
45: flat washers
46: Case body
48: Guide member
48a: guide face
50: Stands
52: frame
54: lower plate
54a: upper surface
54b: when
56: frame body
58: top plate
58a: upper surface
58b: when
60: Upper frame
62: Lower frame
64: wall board
66, 68: Bearings
70, 72: gear
74, 76: Pulley
78: Belt
80: Motor
80a:
82, 84: Conveyor
86: Lever
88: Cylinder
88a: Expansion rod
90:
H: Height size
L: Length size
P: pitch
W: width size

Claims (3)

  1. A pair of columnar members each having a length in the vertical direction and in which the axes of the columns are substantially parallel,
    Wherein a long strip-shaped member is bent and formed in a spiral shape along a pair of helical curves in which helical winding directions are opposite to each other, and wherein the columnar member And a pair of spiral plate members spaced apart from each other with a gap therebetween so that the inner surface of the columnar member in the thickness direction thereof faces each other.
  2. The method according to claim 1,
    And a plurality of connecting members whose one end is fixed to the columnar member by screwing and the other end is fixed to the spiral plate member by screwing.
  3. 3. The method according to claim 1 or 2,
    And a guide member having a surface or a portion substantially parallel to the surface including the axis of each of the pair of columnar members.
KR1020147000643A 2013-03-19 2013-10-15 Transporting device KR101553935B1 (en)

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JP2013057259A JP5547320B1 (en) 2013-03-19 2013-03-19 Transport device
PCT/JP2013/077914 WO2014147877A1 (en) 2013-03-19 2013-10-15 Conveyance device

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EP3153438B1 (en) * 2015-10-07 2019-11-20 Roche Diagniostics GmbH Laboratory distribution system for conveying test tube holders
EP3196655B1 (en) 2016-01-22 2020-11-25 Roche Diagniostics GmbH Laboratory sample container carrier handling apparatus and laboratory system
EP3196648B1 (en) 2016-01-22 2021-03-31 Roche Diagniostics GmbH Device for lifting a sample tube
EP3196654A1 (en) 2016-01-22 2017-07-26 Roche Diagniostics GmbH Method and device for transferring sample tubes between a laboratory automation system and a sample archiving system
WO2018207673A1 (en) * 2017-05-10 2018-11-15 日立化成株式会社 Conveyance device
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JPS3922791B1 (en) * 1962-02-02 1964-10-14
JPS5730100Y2 (en) * 1975-02-08 1982-07-01
JPH0333692Y2 (en) * 1983-06-10 1991-07-17
DE4305941A1 (en) * 1993-02-26 1994-09-01 Amazonen Werke Dreyer H Conveying apparatus
JP3024894B2 (en) * 1993-12-02 2000-03-27 ポーラ化成工業株式会社 Transfer device
FR2774545B1 (en) * 1998-01-30 2003-05-30 Etia Evaluation Technologique Device for transferring and heat treating divided solids
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JP2010069581A (en) * 2008-09-19 2010-04-02 Tekutowan:Kk Device for conveying cutting waste using spiral conveyors successively provided in series
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WO2014147877A1 (en) 2014-09-25
JP5547320B1 (en) 2014-07-09
CN104379473B (en) 2016-08-17
KR101553935B1 (en) 2015-09-17
TWI504549B (en) 2015-10-21
JP2014181116A (en) 2014-09-29
CN104379473A (en) 2015-02-25

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