JP2001096476A - Assembling work stage - Google Patents

Abstract

PROBLEM TO BE SOLVED: To construct an environment easy for the work in which parts and tools necessary for the assembling work can be sent in each process even in the assembling work that can not be recognized in advance. SOLUTION: An assembling work stage 100 gives no troubles at all on the running of self-propelled vehicles and the movement of workers on foot as a base 108 becomes flush with the floor 102 when the work assembling stage 100 is not used. On the other hand, when it is used as a work stage, it can be lifted up with a track 110 to be a state possible to turn freely and the efficiency improvement of the assembling work can be attempted. Also, as the general purpose assembling work stage 100 is made, the truck 110 is not limited only to pre-determined route (a serial route) and the assembling work stage 100 can be selected at random. Hence, the optimum work process for these assembled products can be constructed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an assembling work stage for performing an assembling work of parts, and more particularly to an assembling work stage for assembling a large product.

[0002]

2. Description of the Related Art
In the assembly work stage, there is a space for actually performing the assembly work, and a space for transporting and stocking various components from a parts store or the like. In a so-called flow operation, the spaces are serially arranged, the steps of the assembling operation are classified, and the assembling operation is performed for each step.

However, in the above-mentioned conventional flow work, there is a case where it is necessary to secure a work area unnecessarily due to a restriction that each work space is serially arranged. In other words, if the work space is randomly arranged and, for example, a self-propelled vehicle is used to transport the products in the optimal process order for each product to be assembled, the assembling work can be performed with a minimum necessary work space. Becomes possible.

However, when a random work space is provided, versatility becomes important. That is, if the work space is a dedicated serial work space, the work purpose is known, and therefore, an environment (layout) for a dedicated work should be designed. However, in the case of a random work space, the work purpose is not known. Therefore, it is not possible to construct an environment in which the work is easy.

[0005] In view of the above facts, the present invention provides an environment in which, even in an assembling operation that cannot be recognized in advance, parts and tools necessary for the assembling operation can be sent between the respective steps, thereby facilitating the operation. The aim is to obtain an assembly work stage that can be built.

[0006]

According to the first aspect of the present invention, there is provided an assembling stage for performing an assembling operation of parts, comprising a base laid along a road surface, and a rotating plate provided on the base. And elevating means for elevating the base.

According to the first aspect of the present invention, the article to be assembled (such as a product or an assembly) is placed on the rotating plate and raised by the elevating means, whereby the article to be assembled can be freely rotated. Therefore, there is no need for the worker to work while rotating around the article to be assembled, and the workability can be improved.

According to a second aspect of the present invention, in the first aspect of the invention, the elevating means is buried in a road surface below the base, and the base is located at a lowest position of the elevating means. It is characterized in that it is flush with the road surface.

According to the second aspect of the present invention, when the work stage is not used, the base is flush with the road surface, so that there is no hindrance to running of the bogie or the like. That is, according to this configuration, it is usually a part of the site of the assembly site, and a work stage can be secured as needed.

According to a third aspect of the present invention, in the first or second aspect of the present invention, a truck on which an assembly component is mounted is positioned on the assembly work stage. At a position where the base is raised by the lifting / lowering means, the base is separated from a road surface and supported by the rotating plate.

According to the third aspect of the present invention, if an assembly component is mounted on a truck and a plurality of processes are moved back and forth, there is no need to serially arrange the processes. In addition, the carriage itself can be used as a work space by moving the carriage away from the road surface by the elevating means and supporting it on the rotating plate. That is, if necessary tools and parts are placed on the cart together with the assembly parts, the assembly work stage can be used for general purposes.

According to a fourth aspect of the present invention, in the third aspect of the present invention, a positioning means is provided between the rotary plate and the carriage.

According to the fourth aspect of the invention, since the relative position between the rotating plate and the carriage is determined by the positioning means, the assembling work can always be performed under the same conditions, and the working efficiency is improved.

[0014]

1 and 2 show an assembling work stage 100 according to the present embodiment.

The floor surface 102 of the assembly work stage 100 is
A rectangular groove 104 is provided.
A base 108 supported by the elevating means 106 is arranged. This base 108 is normally mounted on the
6 (at the time of the lowest descent), it is on the same plane as the floor surface 102, and it is possible for the carriage 110 to be described later and for the worker to pass on foot.

The lifting means 106 includes a plurality of jacks 11.
2 is provided. The jack portion 112 includes a pantograph portion 112A whose four corners are rotatably connected, and a bar-shaped male screw portion 112B screwed to left and right corners of the pantograph portion 112A. Adjacent male thread 1
12B, a pair of male screw portions 11 coaxially arranged.
2B is connected to the common rotation shaft of the motor 114. The pair of male screw portions 112B connected to the common motor 114 are reversely screwed to each other, and are rotated in one direction by the driving force of the motor 114, thereby displacing the pantograph portion 112A to a higher position. By rotating in the opposite direction, the pantograph section 112A can be displaced to the lower position.

The pantograph section 112A having such a structure
Is supported by the bottom surface of the groove 104, and the upper end supports the base 108. Therefore, the base 108 can be moved up and down by the driving force of the motor 114.

Instead of being accommodated in the groove 104, the base 108 supported by the elevating means 106 may be provided on the floor 102 with a combination of a commercially available elevating means and a base. In this case, it is also possible to provide a wooden or metal cover for covering the base and the elevating means and to protect them.

On the upper surface of the base 108, a rotating plate unit 116 is provided. The rotating plate unit 116 includes a rotating base 116A and a rotating plate 11 that is opposed to the rotating base 116A and supported by a rotating shaft 116B.
6C.

The rotating plate 116C is freely rotatable about a rotating shaft 116B with respect to a rotating base 116A.

The assembling work stage 100 having the above structure includes:
The carriage 110 can be received.

The carriage 110 is supported on the floor 102 by casters 118 (only two are shown in FIGS. 1 and 2) provided at the lower ends of the four legs. Information sign 12 previously provided on floor 102
0 (see FIG. 3).

The workbench 1 is placed on the cradle 122 of the carriage 110.
24 can be placed. Protrusions 122A are formed at the four corners of the receiving table 122. Correspondingly, circular holes 124A are provided in the work table 124, and the receiving parts 122A are so received as to be inserted into the circular holes 124A. Stand 1
By determining the relative position between the work table 124 and the work table 124, the work table 124 can be reliably and stably placed on the receiving table 122.

The work table 124 has a heavy assembly (for example, 250 kg) 126 mounted thereon.

With the heavy object to be assembled 126 placed thereon, the carriage 110 travels on the floor 102 by hand or by a self-propelled vehicle as described above, and moves to the designated assembly work stage 100. be able to.

Here, the carriage 110 is mounted on the assembling work stage 1.
When the motor 114 of the lifting / lowering means 106 is rotated in the ascending direction in a state where the pantograph unit 112A is positioned right above the pantograph unit 112, the pantograph unit 112A is displaced to a higher position, and the rotating plate 116C is brought into contact with the lower surface of the receiving base 122 of the bogie 110. It comes into contact. Further, as the ascent continues, the casters 118 of the carriage 110 float (separate) from the floor surface 102. This state is a state in which the assembling work can be performed.
It becomes freely rotatable on 16C. The position of the trolley at the time of work can be freely changed by selecting the elevating function of the elevating means 106. For this reason, the worker does not move around the cart 110, but the cart 110 rotates to create an optimal assembly work position (see FIG. 2).

By devising the relative positions of the casters 118 of the bogie and the rotating plate 116C, the base 108, etc., the casters 118
The rotating body can be rotated without contacting the rotating body 8 or the like.

An arc-shaped projection 116D is provided on the upper surface of the rotary plate 116C, and an arc-shaped groove 122B is formed on the lower surface of the receiving base 122 in correspondence with this. Since the protrusion 116D is housed in the groove 122B, the relative position between the rotating plate 116C and the carriage 110 is determined, and the carriage 110 can always be floated under the same conditions.

The operation of the present embodiment will be described below.

As shown in FIG. 3, an assembling work stage 100 is selected according to the product to be assembled, and the truck 110 is moved to the selected assembling stage 100 in a process order on a floor surface 102 on which a carriage 110 can be moved by a self-propelled vehicle. A sign 120 is provided.

That is, the assembling work stage 100 of the present embodiment does not necessarily have to be in a straight line (serial) form, and the carriages 110 are randomly sent in the order most suitable for the assembling work, and each assembling work is performed. be able to.

This is because the assembling work stage 100 is provided with versatility. For example, although a common tool is prepared for each of the assembling work stages 100, a dedicated tool or the like is not prepared. Also, with the assembly parts,
Alternatively, if the robot is transported on a carriage 110 dedicated to tools, the work stage can be optimally used for the assembly.

When the carriage 110 reaches each of the assembling work stages 100, it first stops just above the base 108 of the assembling work stage 100 (see FIG. 1). At this time, since the base 108 is on the same plane as the floor surface 102, the carriage 110 can be smoothly moved directly above the base 108.

After that, the driving of the motor 114 of the lifting / lowering means 106 is started, whereby the male screw portion 112B is rotated, so that the pantograph portion 112A is displaced to a higher position.

This displacement causes the base 108 to rise, and as a result, first, the rotating plate 116C
22 contacts the lower surface. The protrusion 11 is provided on the rotating plate 116C.
6D are provided, and the protrusions 116D are housed in grooves 122B provided on the lower surface of the receiving base 122, and their relative positions are determined.

The base 108 continues to rise further, and when the pantograph section 112A reaches the uppermost position, the carriage 11
The casters 118 of 0 are separated from the floor surface 102 (see FIG. 2). As a result, the rotation plate 11
The work table 12 can be freely rotated by rotation of 6C.
4 can be moved to a position desired by the operator.

When the assembling operation is completed, the motor 114 of the lifting / lowering means 106 rotates in the opposite direction to the above, so that the male screw portion 112B rotates and the pantograph portion 112
A can be displaced in the lower direction. As a result, the state eventually returns to the state of FIG.

The carriage 110 returned to the state shown in FIG. 1 moves to the next assembly work stage 100 by the self-propelled vehicle.

As described above, when the assembling work stage 100 according to the present embodiment is not used, the base 108 is
Since it is on the same plane as 2, the traveling of the self-propelled vehicle and the movement of the work vehicle on foot do not hinder at all.

On the other hand, when used as a work stage, the entire carriage 110 can be lifted and freely rotated so that the efficiency of the assembly work can be increased.

Also, a versatile assembly work stage 10
By setting to 0, the cart 110 is not limited to a predetermined route (serial route), and the assembly work stage 100 can be selected at random, so that an optimum work process for the assembled product can be constructed. it can.

[0042]

As described above, the assembling work stage according to the present invention can send parts and tools necessary for the assembling work between the respective steps even if the assembling work cannot be recognized in advance. In addition, there is an excellent effect that an environment in which work can be easily performed can be constructed.

[Brief description of the drawings]

FIG. 1 is a front view of an assembly work stage according to the present embodiment (non-use state).

FIG. 2 is a front view of the assembly work stage according to the embodiment (in use).

FIG. 3 is a plan view of a work space provided with a plurality of assembly work stages.

[Explanation of symbols]

 REFERENCE SIGNS LIST 100 assembly work stage 102 floor surface 104 groove 106 elevating means 108 base 110 trolley 112 jack part 114 motor 116 rotating plate unit 118 caster 124 work bench 126 assembly parts

Claims (4)

[Claims] 1. An assembling work stage for performing a work of assembling parts, comprising: a base laid along a road surface; a rotating plate provided on the base; and elevating means for elevating the base. An assembly work stage. 2. The apparatus according to claim 1, wherein said lifting means is buried in a road surface below said base, and said base is flush with said road surface at a lowest position of said lifting means. Assembly work stage. 3. A truck on which an assembly component is mounted is positioned on the assembly work stage according to claim 1 or 2, and the truck is separated from a road surface at a position where the base is raised by the lifting / lowering means. And an assembly work stage supported by the rotating plate. 4. A positioning device is provided between said rotating plate and said bogie.
The described assembly work stage.