JP2013510782A - Transfer roller unit and transfer device using the same - Google Patents

Abstract

The present invention relates to a transfer roller unit and a transfer device using the transfer roller unit, and includes a roller that rolls in contact with an object to be transferred to transfer the object to be transferred, and a bowl shape that is open at least on one side. A housing to which the rollers are rotatably coupled, and a coupling means for rotatably coupling a pair of housings that are in contact with each other so as to form a linear or curved path.
[Selection] Figure 1

Description

  The present invention relates to a transfer roller unit and a transfer device using the transfer roller unit. More specifically, the transfer path of a transfer object can be freely set in a straight line or a curve, and the transfer object corresponds to the transfer path. The present invention relates to a transfer roller unit that can be easily transferred along the line and a transfer device using the transfer roller unit.

  Transport equipment is a means of transporting objects to be transported from a standard position to a target position in various fields such as the automotive industry, electronics industry, and distribution warehouses. Industrial machine tools, robots, automation equipment, production assembly facilities, Used for logistics facilities.

  As such a transfer device, a belt conveyor, a roller conveyor, a ball transfer, or the like is used, and recently, various transfer devices that transfer not only a straight path but also a curved path have been developed.

  Generally, a belt conveyor is widely used for the transfer device, but the belt conveyor is installed together with the manufacturing process because the installation cost increases by driving the conveyor using a motor. Roller conveyors and ball transfers are installed in the section where only goods are transferred.

Such a roller conveyor or ball transfer is installed so that a predetermined inclination angle is formed in the transfer path so that it can be transferred by its own weight.
Here, the roller conveyor is made up of a plurality of rollers and a rail frame on which the plurality of rollers are rotatably mounted, and the plurality of rollers are installed laterally on the rail frame along the path of the rail frame. Thus, the object to be transferred is supported by a plurality of rollers, and the objects to be transferred are transferred to a target position while the plurality of rollers are rolling by the movement of the object to be transferred.

  However, in order to install the roller conveyor in a curved path, the rail frame must be curved, and a plurality of rollers must be installed in a fan pattern on the rail frame. For this reason, it is necessary for a long time to install, and there is a disadvantage that the installation cost increases. Also, once installed, there is a problem that it is difficult to change the route.

  The ball transfer is used at a refracting part, a curved part, an intersection, a rotating part, a branching point in a conveyor system, or used for transferring or changing the direction of an object to be transferred. Such a ball transfer includes a rolling ball having a predetermined diameter, a housing having a half-wheel cross section so that the rolling ball is accommodated, and a plurality of bearing balls interposed between the housing and the rolling ball. Thus, the object to be transferred is supported by the rolling ball, and the object to be transferred is transferred to a target position while the rolling ball is rolled by the movement of the object to be transferred.

  However, such ball transfer can freely move the object to be transferred in all directions. However, since the rotation direction of the rolling ball cannot be controlled, the object to be transferred is transferred in the linear direction even in the curved path. Therefore, it is difficult to transfer the object to be transferred in the direction in which the object is to be transferred.

  The present invention has been made to solve the above-described problems, and the transfer path of the object to be transferred can be freely set by a straight line or a curved path, and the object to be transferred can be set along the transfer path. An object of the present invention is to provide a transfer roller unit that can be easily transferred, and a transfer device using the transfer roller unit.

  In order to achieve the above-mentioned object, the present invention has a roller that contacts and moves the object to be transported and transports the object to be transported, and has a bowl shape that is open at least on one side, and the roller is rotatably coupled. And a connecting means for rotatably connecting a pair of housings that are in contact with each other so as to form a straight or curved path.

Here, the roller is provided such that one side surface of the roller protrudes from the opening of the housing.
In addition, the roller includes a roller main body that rolls in contact with the object to be transferred, and a roller shaft to which the roller main body is coupled, and the housing is formed with a pair of shaft support grooves to which the roller shaft is detachably coupled. It is characterized by.

  Furthermore, it is further provided with the stopper which is provided in the housing so that an approach and separation | spacing are possible at the both ends of the roller couple | bonded with a pair of shaft support groove | channel, and prevents that a roller shaft remove | deviates from a shaft support groove | channel.

  Further, the connecting means includes a pair of connecting brackets that are disposed opposite to the housing with a roller in the transverse direction with respect to the roller shaft, and a through-hole formed in one of the pair of connecting brackets. And a coupling protrusion protruding from the other one of the pair of connecting brackets and coupled to a through hole of another housing.

  The transfer device of the present invention includes a roller that rolls in contact with the object to be transferred and transfers the object to be transferred, a housing that has a bowl shape that is open on at least one side, and the roller is rotatably coupled to each other; A plurality of transfer roller units including coupling means for mutually rotatably connecting a pair of adjacent housings; a work table arranged such that the plurality of transfer roller units form a straight or curved path; Fixing means for fixing a plurality of transfer roller units to the work table along the path.

  Here, the connecting means is formed so as to penetrate either one of the pair of connecting brackets and the pair of connecting brackets that are disposed opposite to the housing with a roller in a direction transverse to the roller axis. It has a through-hole and a coupling protrusion protruding from the other one of the pair of connecting brackets and coupled to the through-hole of another housing.

  The fixing means includes a fastening hole penetrating the coupling protrusion, an auxiliary fastening hole formed on the plate surface of the work table so as to communicate with the fastening hole, and a plurality of fastening holes and auxiliary fastening holes. And a fastening member for fixing the transfer roller unit to the work table.

  The present invention can freely set the transfer path of the transferred object in a straight line or a curved path by connecting a plurality of transfer roller units in which a roller to be transferred and a rolling roller are combined so as to be capable of mutual rotation. In the case of a curved path, the path can be changed to a desired angle, the transfer distance and transfer time of the transferred object can be shortened, and productivity and work efficiency can be improved.

  In addition, the present invention connects and installs a plurality of transfer roller units on a work table in which a roller to be transported and a roller to be rolled are combined, so that the installation is simple, the installation cost is low, and only the corresponding transfer roller unit is replaced at the time of failure. It is easy to maintain and repair.

It is a perspective view which shows the structure of the transfer roller unit by this invention. It is a disassembled perspective view which shows the structure of the transfer roller unit by this invention. It is sectional drawing which shows the structure of the transfer roller unit by this invention. 4 is a view illustrating a connection process of a transfer roller unit according to the present invention. 1 is a view showing a transfer device according to the present invention. 1 is a view showing a transfer device according to the present invention.

Hereinafter, the present invention will be described in detail, but the present invention is not limited to the following examples as long as the gist thereof is not departed.
FIG. 1 is a perspective view showing the structure of a transfer roller unit according to the present invention, FIG. 2 is an exploded perspective view showing the structure of a transfer roller unit according to the present invention, and FIG. 3 shows the structure of the transfer roller unit according to the present invention. It is sectional drawing shown.

  Referring to FIGS. 1 to 3, a transfer roller unit 100 according to the present invention enables a roller 10 for transferring an object to be transferred, a housing 20 to which the roller 10 is coupled, and a pair of housings 20 and 20 ′ that are in contact with each other. It has the connection means 30 to couple | bond.

  The roller 10 is a part that contacts the object to be transferred and rolls in the traveling direction of the object to be transferred to transfer the object to be transferred as means for transferring the object to be transferred.

  The housing 20 is formed in a bowl shape with an upper part or an upper and lower part opened, and has a square cross-sectional shape having a pair of long sides and a pair of short sides. The roller 10 is rotatably coupled to the inside of the housing 20. At this time, the roller 10 is provided such that one side surface of the roller 10 protrudes from the opening of the housing 20. That is, the one side surface of the rolling roller 10 protrudes, so that the contact with the object to be transferred is facilitated and the object to be transferred can be easily transferred.

  Here, the roller 10 includes a roller main body 11 that rolls in contact with the object to be transferred, and a roller shaft 13 that is coupled to the roller main body 11. The roller shaft 13 is preferably formed of a metal material in order to withstand the load of the transferred object supported by the roller body 11. Further, the roller shaft 13 is extended and formed so as to protrude from both sides of the roller body 11. Here, the roller shaft 13 and the roller body 11 can be integrally formed. In this case, the material of the roller body 11 and the roller shaft 13 is formed of a metal material, and the load of the object to be transferred supported by the roller body 11 To support.

  In the present embodiment, a pair of shaft support grooves 21 are formed inside the long sides of the housing 20. The pair of shaft support grooves 21 are formed so as to contact the opening of the housing 20, and the roller shaft 13 is coupled to the shaft support groove 21, so that one side surface of the roller body 11 protrudes from the housing 20. To.

  With such a configuration, the roller shaft 13 is coupled through the center of the roller body 11, and both end portions of the roller shaft 13 are coupled to the shaft support grooves 21 formed on both sides of the housing 20. Is provided so as to be capable of rolling.

  Further, the housing 20 is provided with a stopper 23 that prevents the roller shaft 13 from being detached from the shaft support groove 21 by being provided at both ends of the roller 10 coupled to the pair of shaft support grooves 21 so as to be able to approach and separate. Can further be included. That is, the stopper 23 is formed to extend on both side walls of the housing 20, and its end portion projects toward the shaft support groove 21 to support both ends of the roller shaft 13 coupled to the shaft support groove 21. The roller shaft 13 is fixed so as not to be separated from the outside. In addition, the stopper 23 is formed to be elastically deformable, and the operator separates or approaches the stopper 23 at both ends of the roller 10, so that the shaft support groove is formed. The roller shaft 13 coupled to 21 can be attached and detached.

  The connecting means 30 serves to interconnect the pair of housings 20, 20 'that are in contact with each other so as to form a straight or curved path. Such a connecting means 30 includes a pair of connecting brackets 31 and 35 disposed opposite to the housing 20 with the roller 10 interposed therebetween in a lateral direction with respect to the roller shaft 13 seated on the housing 20, and the pair of connecting brackets 31 and 35. A through-hole 33 formed through one of the connection brackets 31 and 35 and a through-hole 33 of another housing 20 ′ that protrudes from and contacts the other of the pair of connection brackets 31 and 35. It is composed of a coupling protrusion 37 coupled to '.

  Hereinafter, for convenience of explanation, the connection bracket in which the through hole 33 is formed of the pair of connection brackets 31 and 35 is referred to as the first connection bracket 31, and the connection bracket in which the connection protrusion 37 is formed is referred to as the second connection bracket 35.

  The through hole 33 of the first connection bracket 31 is formed in a circular cross section, and the connection protrusion 37 of the second connection bracket 35 is combined with the through hole 33 of the first connection bracket 31 in a shape matching manner. Therefore, the coupling protrusions 37 that are formed to project from the plate surface of the second coupling bracket 35 are coupled to the through holes 33 ′ of the first coupling bracket 31 ′ provided in the different housings 20 ′, so that the plurality of housings 20, 20 'can be connected.

  Further, the coupling protrusion 37 ′ of the second coupling bracket 35 ′ of the other housing 20 ′ coupled to the through-hole 33 of the first coupling bracket 31 of the housing 20 is coupled rotatably so that the first coupling bracket 31. When the plurality of housings 20 and 20 'are connected through the second connection bracket 35, a curved path can be formed.

  FIG. 4 is a view illustrating a connection process of the transfer roller unit according to the present invention. Referring to FIG. 4, the first connection bracket 31 having the through hole 33 among the first connection bracket 31 and the second connection bracket 35 provided on both sides of the housing 20 has the connection protrusion 37. It is provided at a higher position.

  That is, the second connection bracket 35 ′ of the other housing 20 ′ is positioned below the first connection bracket 31 of the housing 20, and the other housing 20 ′ is inserted into the through hole 33 of the first connection bracket 31 of the housing 20. The second connection bracket 35 ′ coupling protrusion 37 ′ is coupled.

  With such a configuration, the other housing 20 ′ and the other housing 20 ″ connected to the housing 20 through the first connection bracket 31 and the second connection bracket 37 can be connected while being in close contact with the ground.

  Here, contrary to the structure of the drawing, the coupling protrusion 37 of the second coupling bracket 35 can be formed to protrude below the plate surface. In this case, the first coupling provided on both sides of the housing 20 respectively. Of the bracket 31 and the second connection bracket 35, the first connection bracket 31 having the through hole 33 is provided at a position lower than the second connection bracket 35 having the coupling protrusion 37, and the first connection bracket 31 has the through hole 33 and the second connection bracket 35. The coupling protrusion 37 of the two coupling bracket 35 can be coupled at a position opposite to the coupling process described above.

Next, the transfer apparatus according to the present invention will be described.
5 and 6 are views showing a transfer device according to the present invention. Referring to FIGS. 5 and 6, the transfer device 200 of the present invention is installed in a section for transferring the object to be transferred 130 in the work place, and a plurality of transfer roller units 100 are connected by a straight path or a curved path, and the work table is connected. By being installed at 110, the object to be transferred 130 can be transferred to a target position.

  The transfer device 200 includes a plurality of transfer roller units 100 having a roller 10, a housing 20, and a connecting means 30, a work table 110 on which the plurality of transfer roller units 100 are arranged, and a plurality of transfer roller units 100 fixed to the work table. The fixing means 120 is used.

  A plurality of transfer roller units 100 are arranged on the work table 110 so as to form a straight or curved path. At this time, the transfer object 130 can be easily transferred from the housing 20 of the transfer roller unit 100. It arrange | positions so that the surface of the roller 10 may protrude.

  The fixing means 120 is means for fixing the plurality of transfer roller units 100 to the work table 110, and includes a fastening hole 121 that penetrates the coupling protrusion 37 formed on the second connection bracket 35 of the transfer roller unit 100, and the fastening holes. The auxiliary fastening holes 123 formed on the plate surface of the work table so as to communicate with the 121, the fastening holes 121 of the transfer roller unit 100, and the auxiliary fastening holes 123 of the work table 110 are fastened to each other, and a plurality of transfer roller units are connected. The fastening member 125 fixes the 100 to the work table 110.

  That is, after the fastening holes 121 respectively formed in the plurality of transfer roller units 100 and the plurality of auxiliary fastening holes 123 formed in the plate surface of the work table 110 are made to coincide, the transfer roller unit using a fastening member 125 such as a bolt is used. 100 fastening holes 121 and auxiliary fastening holes 123 of the work table 110 are fastened together.

  Thus, the plurality of transfer roller units 100 connected to each other are firmly fixed without being separated by a straight or curved path, and the transfer object 130 can be easily transferred to a target position.

Next, the use state of the transfer device according to the present invention having the above-described configuration will be described.
Referring to FIG. 6, the transfer device 200 has a straight path and a curved path, and shows a state in which the transfer object 130 passes through the straight path and is transferred along the curved path.

  The plurality of transfer roller units 100 are connected in parallel along the path of the work table 110 so as to support the object to be transferred 130, and the work table 110 is inclined at a predetermined angle in the transfer direction of the object to be transferred 130. Thus, the transferred object 130 can be transferred by its own weight.

  Therefore, when the transferred object 130 is loaded on the work table 110 in order to transfer the transferred object 130 to a target position, the transferred object 130 is attached to the rollers 10 of the transfer roller unit 100 connected by its own weight. Along the straight path. And the to-be-transferred object 130 which passed the linear path | route is transferred to the curve direction along the transfer roller unit 100 connected two or more, and is transferred to the target position. That is, each roller 10 of the plurality of transfer roller units 100 forms a curved path and rolls to transfer the object 130 to be transferred along the curved path.

  As described above, according to the present invention, a plurality of transfer roller units combined with a roller that contacts and rolls a transfer object are coupled to each other so as to be able to rotate with each other. It can be set freely with a curved path, and in the case of a curved path, the path can be changed at a desired angle, the transfer distance and transfer time of the transferred object can be shortened, and productivity and work efficiency can be reduced. Can be improved.

  In addition, the present invention connects a plurality of transfer roller units to a work table in which a roller to be transported and a roller to be rolled are coupled, so that installation is simple, installation cost is reduced, and only the corresponding transfer roller unit is replaced at the time of failure. It can be easily maintained and repaired.

  The present invention can be variously replaced and modified by those having ordinary knowledge in the technical field belonging to the present invention without departing from the technical idea of the present invention. It is not limited.

DESCRIPTION OF SYMBOLS 10; Roller 11; Roller main body 13; Roller shaft 20; Housing 21; Shaft support groove 23; Stopper 30; Connecting means 31, 35; A pair of connecting bracket 33; Through-hole 37; Table 120; Fixing means 121; Fastening hole 123; Auxiliary fastening hole 125; Fastening member 130;

Claims (8)

A roller that rolls in contact with the object to be transferred and transfers the object to be transferred;
A housing having a bowl shape opened at least on one side and to which the roller is rotatably coupled;
A coupling means for mutually rotatably coupling a pair of said housings that are interconnected to form a straight or curved path;
A transfer roller unit comprising:   The transfer roller unit according to claim 1, wherein the roller is provided such that one surface of the roller protrudes from an opening of the housing.   The roller includes a roller body that rolls in contact with the object to be transported, and a roller shaft to which the roller body is coupled, and a pair of shaft support grooves to which the roller shaft is detachably coupled to the housing. The transfer roller unit according to claim 1, wherein the transfer roller unit is formed.   The stopper further includes a stopper that is provided in the housing so as to be able to approach and separate from both ends of the roller coupled to the pair of shaft support grooves, and prevents the roller shaft from being detached from the shaft support grooves. The transfer roller unit according to claim 3. The connecting means includes
A pair of connecting brackets disposed opposite to the housing with the roller in a direction transverse to the roller axis;
A through hole formed in one of the pair of connecting brackets; and
A coupling protrusion protruding from the other one of the pair of connecting brackets and coupled to a through hole of another housing;
The transfer roller unit according to claim 3, comprising: A roller that rolls in contact with the object to be transferred and transfers the object to be transferred;
A housing having a bowl shape opened at least on one side and to which the roller is rotatably coupled;
A plurality of transfer roller units including coupling means for mutually connecting a pair of mutually contacting housings;
A work table arranged such that the plurality of transfer roller units form a straight or curved path;
Fixing means for fixing the plurality of transfer roller units to the work table along a straight or curved path;
A transfer device comprising: The connecting means includes
A pair of connecting brackets disposed opposite to the housing, with the rollers in a direction transverse to the roller axis;
A through hole formed in one of the pair of connecting brackets; and
A coupling protrusion protruding from the other one of the pair of connecting brackets and coupled to a through hole of another housing;
The transfer device according to claim 6, comprising: The fixing means includes
A fastening hole penetrating the coupling protrusion;
An auxiliary fastening hole formed in the plate surface of the work table so as to communicate with the fastening hole;
A fastening member for fastening the plurality of transfer roller units to a workbench by mutually fastening the fastening holes and the auxiliary fastening holes;
The transfer device according to claim 7, comprising:

Images