JP2016204069A - Component supply device and component assembling line - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a component supply device capable of efficiently performing an assembling work of components and a component assembling line having the component supply device.SOLUTION: A component supply device 10 includes: a rotary rack 11 including annular storage section groups 20G formed by arranging a plurality of storage sections 20 for storing components 71 around a vertical center shaft J1 by stacking a plurality of the annular storage section groups; and a rotary drive source 30 for rotationally driving the rotary rack 11 in one direction. The plurality of annular storage section groups 20G are disposed so that a first storage section 21 set in each annular storage section group 20G is deviated by a fixed distance ΔL in a reverse rotation direction which is opposite to a rotation direction X of the rotary rack 11 as the first storage section 21 goes to one end side in the stacking direction and a second storage section 22 located to be adjacent to the first storage section 21 in the reverse rotation direction of the annular storage section groups 20G disposed at the other end in the stacking direction is deviated by a fixed distance ΔL in the reverse rotation direction from the first storage section 21 of the annular storage section groups 20G disposed at one end in the stacking direction.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a component supply device that supplies components to be assembled to an assembly target and a component assembly line having the same.

  Conventionally, as this type of component supply device, there is a rotating rack provided with a plurality of stacks of annular storage units each having a plurality of storage units arranged around a rotation axis, and the same series of components are stored at the same position in the circumferential direction. What is stored in is known. (For example, refer to Patent Document 1).

JP-A-60-52405 (FIGS. 1 and 2)

  However, in the above-described conventional component supply apparatus, when the storage unit that stores the necessary components is located far away from the operator, the operator can go to the storage unit to pick up the component or work on the storage unit. There is a problem that it is necessary to move to a person's position and the efficiency of the assembly work is poor.

  An object of this invention is to provide the component supply apparatus which can aim at the efficiency of the assembly | attachment operation | work of components, and the component assembly line which has it.

  In order to achieve the above object, the invention of claim 1 is characterized in that a plurality of annular storage portions each having a vertical rotation center axis and having a plurality of storage portions arranged around the rotation center axis are stacked. A plurality of rotary storage racks, and a rotary drive source that rotationally drives the rotary rack in one direction, and a plurality of the annular storage portion groups are set to each of the annular storage portion groups. Of the annular storage portion group disposed at the other end in the stacking direction and deviating by a certain distance in the reverse rotation direction opposite to the rotation direction of the rotating rack as the storage portion of the stacking direction is toward one end side in the stacking direction. Among the first storage units, the second storage unit located next to the first storage unit in the reverse rotation direction is disposed at one end in the stacking direction. Shift by the fixed distance in the reverse rotation direction. A component supply device disposed.

  According to a second aspect of the present invention, the component supply device according to the first aspect and a plurality of objects to be assembled that are arranged on the side of the component supply device and to which the component is assembled are sequentially arranged at regular intervals. A component assembly line having a conveyor for transporting, wherein the rotation drive source is configured such that the storage unit moves in the rotational direction while the assembly target is transported by a distance corresponding to the predetermined interval. The rotating rack is rotationally driven at a constant speed so as to move by a certain distance, and the assembly object passes through an assembly work area set in a conveyance path on the conveyor in the plurality of storage units. Sometimes it is a part assembly line in which a plurality of parts are stored such that the parts to be assembled to the assembly object are arranged at a part take-out position set in the circumferential direction of the carousel.

  The invention according to claim 3 is the component assembly line according to claim 2, wherein the drive source and the rotational drive source of the conveyor operate independently of each other.

[Invention of Claim 1]
According to the first aspect of the present invention, the rotating rack is rotated by a predetermined distance while taking out the components from the storage portion arranged at the predetermined position in the circumferential direction of the rotating rack and performing the assembly work, thereby moving the rotating rack to the predetermined position. It becomes possible to arrange parts necessary for the next assembling work at any time. As described above, according to the present invention, necessary components can be sequentially arranged at predetermined positions in the circumferential direction of the carousel, so that they are far from the predetermined positions as in the conventional component supply apparatus. This eliminates the need for the operator to go to the storage section to pick up the parts or to move the storage section for storing the necessary parts to a predetermined position, thereby improving the efficiency of the part assembly work.

[Invention of claim 2]
In the invention of claim 2, the conveyor disposed on the side of the carousel sequentially conveys a plurality of assembling objects to which parts are assembled at regular intervals, and the carousel is an object to be assembled. While the object is conveyed by a distance of a certain interval, the storage unit rotates at a constant speed so as to move by a certain distance in the rotation direction. Then, in the plurality of storage parts of the carousel, when the assembling object passes through the assembling work area set on the conveyor, the parts assembled to the assembling object are set in the circumferential direction of the carousel. Parts are accommodated so as to be arranged at the parts extraction position. According to the present invention, since the parts necessary for the assembly object that sequentially passes through the assembly work area are sequentially arranged at the part extraction position, the operator can remove the parts from the part extraction position to the storage part far away. This eliminates the need to go to the storage or move the storage part for storing the necessary parts to the part extraction position, thereby improving the efficiency of the part assembly work.

[Invention of claim 3]
According to invention of Claim 3, control of the rotational speed of a rotation rack and control of the conveyance speed of a conveyor become easy.

The perspective view of the components supply apparatus which concerns on one Embodiment of this invention. Figure of a part of a rotating rack developed in the circumferential direction Conceptual diagram of a production line that includes part assembly lines Conceptual diagram of parts assembly line (A) The figure which shows the relationship between the position of the shaping die on a conveyance path, and the rotation position of a rotation rack, (B) The figure which expand | deployed the rotation rack in the circumferential direction (A) The figure which shows the relationship between the position of the shaping die on a conveyance path, and the rotation position of a rotation rack, (B) The figure which expand | deployed the rotation rack in the circumferential direction The figure which expanded a part of rotating rack concerning a modification in the peripheral direction The figure which shows arrangement | positioning of the components supply apparatus which concerns on a modification, and an assembly target object

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS. As shown in FIGS. 1 and 4, the component supply device 10 of the present embodiment includes a rotating rack 11 and a rotation driving source 30 for rotating the rotating rack 11. The rotating rack 11 includes a disk-shaped rotating base 12 and a support column 13 erected from the center of the rotating base 12. The rotating rack 11 receives power from the rotation drive source 30 and receives the rotating base 12 and the supporting column 13. Rotates around the center axis J1 of the support column 13 (corresponding to the “rotation center axis” of the present invention) in the rotation direction X at a constant speed.

  As shown in FIG. 1, the carousel 11 is provided with a plurality of storage units 20 that store components 71 (see FIG. 4) to be assembled to a molding die 52 described later. Specifically, the rotating rack 11 is a multistage rack provided with an annular storage portion group 20G in which a plurality of storage portions 20 are arranged around the support column 13 at equal intervals.

  The plurality of annular storage unit groups 20G are formed as follows. That is, a plurality of annular layer walls 15 are arranged on the rotating base 12 at intervals, and the plurality of annular layer walls 15 are fixed to the support column 13. And the cyclic | annular space formed between cyclic | annular hierarchical walls 15 and 15 adjacent in the up-down direction is equally divided by the partition wall 16, and the some cyclic | annular accommodation part group 20G is formed. The annular hierarchical wall 15 disposed at the bottom is fixed on the rotating base 12.

  As shown in FIGS. 1 and 2, the annular storage unit groups 20 </ b> G and 20 </ b> G adjacent in the stacking direction are arranged so as to be shifted in the circumferential direction. Specifically, in each annular storage unit group 20G, the first storage unit 21, the second storage unit 22, the third storage unit 23,... Are opposite to the rotation direction X of the rotating rack 11. They are arranged side by side in the rotational direction (the direction toward the left in FIG. 2). Then, as shown in FIG. 2, the first storage portion 21 of the lower annular storage portion group 20G among the annular storage portion groups 20G and 20G adjacent in the stacking direction is the first storage portion 21 of the upper annular storage portion group 20G. The first storage portion 21 is arranged so as to be shifted by a certain distance ΔL in the reverse rotation direction. Further, as shown in FIG. 2, the second storage portion 22 in the uppermost annular storage portion group 20G is in the reverse rotation direction with respect to the first storage portion 21 in the lowermost annular storage portion group 20G. They are displaced by a certain distance ΔL.

  Next, the component assembly line 70 provided with the component supply apparatus 10 will be described. FIG. 3 shows a production line 50 including a part assembly line 70 as a part. In the present embodiment, the production line 50 is a multi-product production line that produces a plurality of types of foamed resin molded products.

  The production line 50 includes an annular conveyer 51 and a conveyance drive source 51A that circulates the conveyer 51 in one direction (clockwise in FIG. 3). A plurality of types of molding dies 52 (corresponding to the “assembly object” of the present invention) are fixed to the conveyor 51 with a constant interval K. The production line 50 includes a pretreatment unit 55, a component assembly unit 56, a raw material injection unit 57, a foam molding unit 58, and a demolding unit 59. In the pretreatment unit 55, a release agent is applied to the molding die 52. In the component assembling part 56, a component 71 (see FIG. 4) such as a reinforcing sheet material or a wire is assembled to the molding die 52. In the raw material injection portion 57, a foamed resin raw material (for example, urethane) is injected into the molding die 52. In the foam molding part 58, the foamed resin is heated and foamed. In the removing part 59, the molded product is taken out from the molding die 52. In the present embodiment, the component assembly unit 56 and the component supply device 10 constitute the component assembly line 70 described above.

  As shown in FIG. 4, in the component assembly line 70, the component supply device 10 is arranged on the side of the conveyor 51. In the plurality of storage units 20 of the rotating rack 11 in the component supply apparatus 10, a plurality of types of components 71 to be assembled to the molding die 52 are stored. In the component assembly line 70, an assembly work area 70R is set in the transport path 53 on the conveyor 51. The component 71 is assembled by the operator 90 to the molding die 52 that passes through the assembly work area 70R.

  In the component assembly line 70 of this embodiment, the conveyor 51 sequentially feeds the molding dies 52 to the assembly work area 70R, and the component supply device 10 assembles the molding dies 52 that pass through the assembly work area 70R. The parts 71 are sequentially supplied. Hereinafter, the supply of the component 71 by the component supply apparatus 10 will be described.

  As shown in FIG. 4, the rotating rack 11 of the component supply device 10 rotates so that the portion of the rotating rack 11 facing the conveyor 51 side moves in the same direction as the conveyor 51 (right direction in the example of FIG. 4). To do. The rotation speed of the carousel 11 is a constant distance ΔL (see FIG. 2) while the molding die 52 advances on the conveying path 53 by a certain interval K (that is, the interval between the adjacent molding dies 52, 52). Is set to rotate only.

  Here, the plurality of molding dies 52 are assigned identification numbers corresponding to the order of conveyance. Further, an identification number is also assigned to the plurality of parts 71, and the same identification number is assigned to the molding die 52 and the part 71 assembled to the molding die 52. As shown in FIGS. 1 and 2, labels 20A are attached to the plurality of storage units 20, and numbers corresponding to the identification numbers of the components 71 to be stored are displayed on the labels 20A. Specifically, numbers “1” to “7” are displayed in order from the upper side on the labels 20 </ b> A of the plurality of first storage units 21, and the upper side of the labels 20 </ b> A of the plurality of second storage units 22. The numbers “8” to “14” are displayed in order. Hereinafter, the numbers are similarly assigned to the labels 20 </ b> A after the third storage portion 23. In the example of the present embodiment, 56 molding dies 52 are conveyed, and the rotating rack 11 is provided with seven stages of an annular storage portion group 20G including eight storage portions 20. The numbers “1” to “56” are displayed on all 56 labels 20A. In the following, the molding die 52 with the identification number “n” is the “n-th molding die 52”, the component 71 with the identification number “n” is the “n-th component 71”, and the number “n”. The storage unit 20 to which the label 20A is attached will be appropriately referred to as “nth storage unit 20”.

  5A and 5B show the state of the part assembly line 70 when the third molding die 52 passes through the assembly work area 70R. The center of the third storage portion 20 is arranged at the component take-out position 11P set in the circumferential direction of the carousel 11. The part removal position 11P is set to a part facing the assembly work area 70R in the circumferential direction of the carousel 11, and the part 71 is taken out from the storage unit 20 whose center is arranged at the part removal position 11P. The distance that the worker 90 moves to the assembly work area 70R is shortened.

  FIG. 6A shows a state in which the molding die 52 has advanced by a certain distance K from the state shown in FIG. In this state, the fourth molding die 52 passes through the assembly work area 70R. Further, at this time, the carousel 11 rotates by a fixed distance ΔL in the rotation direction X, and the third storage unit 20 takes out the parts as shown in the change from FIG. 5 (B) to FIG. 6 (B). It moves by a constant distance ΔL in the rotational direction X from the position 11P. And the center of the 4th storage part 20 arrange | positioned by only the fixed distance (DELTA) L by the reverse rotation direction with respect to the 3rd storage part 20 is arrange | positioned instead of the 3rd storage part 20 at the component extraction position 11P. The As described above, when the fourth molding die 52 passes through the assembly work area 70R, the center of the fourth storage portion 20 that stores the fourth component 71 is arranged at the component extraction position 11P.

  As described above, in the component assembling line 70 of the present embodiment, the rotating rack 11 of the component supplying apparatus 10 moves by a certain distance ΔL in the rotation direction X while the molding die 52 is conveyed by a certain interval K. The parts 71 to be assembled to the molding die 52 that passes through the assembly work area 70R are arranged at the parts extraction position 11P in the plurality of storage units 20 of the carousel 11 while rotating at a constant speed. The component 71 is accommodated. Thereby, in the component assembly line 70, it is possible to sequentially arrange the components 71 necessary for the molding die 52 that sequentially pass through the assembly work area 70R at the component extraction position 11P. Specifically, the rotation speed of the carousel 11 is set to a slow speed so that the operator 90 can easily take out the component 71.

  The conveyance drive source 51A for driving the conveyor 51 and the rotary drive source 30 for driving the rotating rack 11 operate independently of each other. Therefore, in this embodiment, if the conveyance speed of the conveyor 51 is set to a constant value, the above-described configuration can be achieved only by setting the rotation speed of the rotating rack 11 in accordance with the conveyance speed of the conveyor 51. It becomes possible, and the rotation speed of the rotating rack 11 and the conveyance speed of the conveyor 51 can be easily synchronized.

  The description regarding the structure of the component supply apparatus 10 and the component assembly line 70 of this embodiment is above. Next, the effects of the component supply device 10 and the component assembly line 70 will be described.

  According to the component supply apparatus 10 of the present embodiment, the component 71 (the number 3 in the example of FIGS. 5A and 5B) from the storage unit 20 arranged at a predetermined position in the circumferential direction of the carousel 11. By rotating the rotating rack 11 by a fixed distance ΔL while taking out the component 71) and performing the assembly operation, the component 71 (FIG. 6A and FIG. 6A) required for the next assembly operation is brought to the predetermined position at any time. In the example of FIG. 6B, the fourth component 71) can be arranged. As described above, according to the component supply device 10 of the present embodiment, the necessary components 71 can be sequentially arranged at predetermined positions in the circumferential direction of the carousel 11, so that the conventional component supply device 10 Thus, it is not necessary for the operator 90 to pick up the component 71 from the predetermined position to the storage unit 20 far away from the predetermined position, or to move the storage unit 20 for storing the necessary component 71 to the predetermined position. Work efficiency is improved.

  Further, in the component assembly line 70 having the component supply apparatus 10 of the present embodiment, the conveyor 51 sequentially conveys the plurality of molding dies 52 with a constant interval K, and the rotating rack 11 is a conveyor. 51, the storage unit 20 rotates at a constant speed so as to move by a constant distance ΔL in the rotation direction X while the molding die 52 is conveyed by a constant interval K. Here, when the molding die 52 passes through the assembly work area 70 </ b> R set in the conveyance path 53, the parts 71 assembled to the molding die 52 rotate in the plurality of storage units 20 of the rotating rack 11. The component 71 is accommodated so as to be arranged at the component extraction position 11P set in the circumferential direction of the rack 11. Thereby, in the component assembly line 70 of this embodiment, it becomes possible to sequentially arrange the components 71 required for the molding die 52 that sequentially pass through the assembly work area 70R at the component extraction position 11P. There is no need for the operator 90 to pick up the part 71 from the position 11P to the storage part 20 far away from the position 11P, or to move the storage part 20 for storing the necessary part 71 to the part extraction position 11P. Efficiency.

[Other Embodiments]
The present invention is not limited to the above-described embodiment. For example, the embodiments described below are also included in the technical scope of the present invention, and various modifications are possible within the scope of the invention other than the following. It can be changed and implemented.

  (1) In the above embodiment, the plurality of annular storage unit groups 20G are arranged such that the lower annular storage unit group 20G is shifted by a certain distance ΔL in the reverse rotation direction, but as shown in FIG. The upper annular storage unit group 20G may be arranged so as to shift by a certain distance ΔL in the reverse rotation direction. In this configuration, the plurality of first storage units 21 are provided with labels 20A that display numbers “1” to “7” in order from the bottom. The label 20A is similarly attached to the second storage portion 22 and subsequent parts.

  (2) In the above embodiment, the rotating rack 11 is configured to rotate once while the molding die 52 goes around the conveyance path 53. However, while the molding die 52 goes around the conveyance path 53, The rotating rack 11 may be configured to rotate a plurality of times. Further, the rotating rack 11 may be configured to make one rotation while the molding die 52 circulates the conveyance path 53 a plurality of times.

  (3) In the above embodiment, the component assembling line 70 has a configuration including one rotating rack 11 and one conveyor 51. However, the component assembling line 70 includes a plurality of rotating racks 11 and conveyors 51. Alternatively, a configuration in which only one of the rotating rack 11 and the conveyor 51 is provided may be used.

  (4) The rotating rack 11 of the above embodiment has a configuration in which the components 71 are stored in all the storage units 20, but a configuration in which the components 71 are stored in some of the storage units 20, in other words, the components 71 are stored. The structure which has the storage part 20 which is not carried out may be sufficient. Specifically, when there is a molding die 52 that does not require assembly of the component 71, the component is placed in the storage unit 20 that is disposed at the component extraction position 11P when the molding die 52 passes through the assembly work area 70R. When a part of the molding die 52 is removed from the conveyor 51 or when the part of the molding die 52 is removed from the conveyor 51, the part of the molding die 52 is disposed at the part extraction position 11P when passing through the assembly work area 70R. The structure etc. in which the components 71 are not accommodated in the accommodating part 20 which had been mentioned are mentioned.

  (5) As shown in FIG. 8, the component supply device 10V may be used for an assembly operation in which a plurality of components 71V are sequentially assembled to a fixed assembly object 52V. Specifically, the assembly target object 52V is fixed on the work table 100 disposed on the side of the carousel 11, and the component supply device 10V includes a plurality of components 71V assembled to the assembly target object 52V. Are sequentially supplied. A plurality of components 71V are stored in the plurality of storage portions 20 so that the components 71V are arranged at the component extraction position 11P in the assembling order. FIG. 8 shows a state in which the third component 71V stored in the third storage unit 20 is assembled to the assembly target object 52V by the operator 90. At this time, the fourth storage portion 20 for storing the fourth component 71V to be assembled next is arranged at a position shifted in the reverse rotation direction with respect to the component extraction position 11P. When the assembly of the third component 71V is completed, the fourth component 71V is arranged at the component removal position 11P. Also with this configuration, it is possible to arrange the component 71V necessary for the next assembly operation at any time at the component extraction position 11P, thereby improving the efficiency of the assembly operation.

  (6) In the above-described embodiment, the rotation speed of the carousel 11 is constant. However, the rotation speed of the carousel 11 may be changed. In this case, it is preferable that the rotating rack 11 is continuously rotated.

DESCRIPTION OF SYMBOLS 10 Parts supply apparatus 11 Carousel 11P Parts extraction position 20 Storage part 20G Annular storage part group 21 1st storage part 22 2nd storage part 30 Rotation drive source 51 Conveyor 51A Transport drive source 52 Molding die (assembly object) object)
53 Conveyance path 70 Parts assembly line 70R Assembly work area 71 Parts X Rotation direction

Claims (3)

A multi-stage rotating rack having a plurality of stacking storage units each having a vertical rotation center axis and storing a plurality of storage units for storing components around the rotation center axis;
A rotation drive source for rotating the rotation rack in one direction,
The plurality of annular storage unit groups have a fixed distance in the reverse rotation direction opposite to the rotation direction of the rotating rack as the first storage unit set in each of the annular storage unit groups moves toward one end side in the stacking direction. And the second storage part located next to the first storage part in the reverse rotation direction in the group of annular storage parts arranged at the other end in the stacking direction is the stacking part. The component supply apparatus arrange | positioned so that it may shift | deviate only the said fixed distance in the said reverse rotation direction with respect to the said 1st accommodating part of the said annular accommodating part group arrange | positioned at the end of a direction. The component supply device according to claim 1;
A component assembly line that includes a conveyor that is disposed on a side of the component supply device and sequentially conveys a plurality of assembly objects to which the components are assembled, at regular intervals,
The rotation drive source rotates the rotating rack at a constant speed so that the storage unit moves by the fixed distance in the rotation direction while the assembly target is transported by a distance of the fixed interval. Drive
In the plurality of storage units, when the assembly object passes through the assembly work area set in the conveyance path on the conveyor, the parts assembled to the assembly object are arranged around the rotating rack. A component assembly line in which a plurality of the components are stored so as to be arranged at a component extraction position set in a direction.   The component assembly line according to claim 2, wherein the conveyor drive source and the rotation drive source operate independently of each other.

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