JPH02158502A - Hanger conveyer system - Google Patents

Abstract

PURPOSE:To realize a simple constitution and shorten a delivery time between systems at the above system for a sawing process, by providing independently a plurality of hanger conveyer systems at different heights, and providing an ascending/descending device which penetrates an upper side floor surface and conducts the delivery of a hanger between both systems. CONSTITUTION:A plurality of processing stands which are numbered, are provided at floor surfaces F1, F2 whose heights are different, and hanger systems 3, 4 which are supported by means of support rails 6 and which have hangers 11 traveling on transport rails 7, 8 are provided along with these stands. And, guide rails 24, 25 are provided by penetrating the floor surface F2, and an ascending/descending device 20 which ascends/descends an ascent/descent frame that is not shown in the drawing, at a space between hanger systems 3, 4, is provided. And, hangers 11 are delivered between two systems by ascending/ descending device individual sending devices 22, 23 through the ascending/ descending device 20. As a result, shortening a delivery time is realized.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention movably suspends a plurality of hangers that support workpieces from rails that continuously extend along and near a plurality of processing tables. The present invention relates to a hanger conveyor system in which a workpiece is stopped at a position corresponding to an arbitrary processing table, a workpiece is processed on the processing table, and the processed workpiece is conveyed to a processing table for the next process.

[Conventional technology]

Conventionally, when manufacturing sewn products that combine many parts, the above-mentioned hanger conveyor system is used and is usually installed on one floor of a garment factory. On the other hand, if this hanger conveyor system cannot be installed on one floor due to restrictions such as the site area of the garment factory, the above-mentioned hanger conveyor system is divided and installed on a plurality of floors at different heights of the garment factory. When transferring workpieces between the hanger conveyor systems on each floor, workers must transport the workpieces or move them along the transport rails installed on the stairs between each floor. was.

[Problem to be solved by the invention]

However, in the above system, it takes time to transfer the workpieces between each floor, which reduces the work efficiency of the entire system (not only does it increase the burden on the workers, but it also increases the cost due to the large-scale equipment). There is a problem in that the amount increases.

This invention was made to solve the above problem, and its purpose is to shorten the transfer of workpieces between each hanger conveyor system when hanger conveyor systems are installed on multiple floor surfaces with different heights. It can be carried out in a timely and efficient manner, and the possibility that the continuous processing of the entire system is hindered due to the delivery can be prevented.
It is an object of the present invention to provide a hanger conveyor system that can simplify the configuration and reduce manufacturing costs.

[Means to solve the problem]

In order to solve the above problems, in this invention, a plurality of hanger conveyor systems are arranged independently on floor surfaces of different heights, and a floor surface is installed between any pair of hanger conveyor systems. A lifting device is provided that can pass through the rails and move up and down between the rails, and can transfer each hanger between the rails.

[Operation] After being received by the hanger tS lifting device on one hanger conveyor system, the lifting device passes through the floor and is lifted and lowered, thereby transferring it to the other hanger conveyor system, and then passing it on. . and,
The above operations are performed sequentially for each hanger.

〔Example〕

Hereinafter, one embodiment embodying the present invention will be described in detail with reference to the drawings. As shown in FIGS. 1 to 3, in a garment factory, two floor surfaces F1. In F2, a plurality of numbered processing tables 1 and 2 are arranged at predetermined intervals in accordance with the processing order of sewing parts as workpieces. In the vicinity of each processing table 1, 2, each floor surface Fl is provided.

A pair of independent hanger conveyor systems 3.4 are provided for each F2. Each hanger conveyor system 3.4 has support rails 6 mounted between a plurality of supports 5.
A transport rail 7.8 is suspended from the support rail 6 and extends continuously along each processing table 1.2, and forms a closed loop for each floor surface Fl, F2.

Each general feed rail 7.8 has a roller 9 that moves along the rail 7.8, and a locking part 1 that allows sewing parts to be attached and detached.
A plurality of hangers 11 are movably suspended. Further, as shown in FIGS. 1 to 3, each conveyance rail 7.8 has a hanger 11 corresponding to each processing table 1.2.
A stop part 12 for stopping the stop parts 12 and a plurality of chevron-shaped transport parts 13 connecting the stop parts 12 are provided. A well-known individual feeding device 14 is provided in the gently inclined portion 13a of each conveyance portion 13 so as to be located near each stop portion 12, for feeding the hanger 11 individually to each stop portion 12 after stopping the conveyance of the hanger 11.
is installed.

In this embodiment, with the hanger 11 stopped at each stop section 12, the required sewing is performed on the sewing parts by the sewing machine on each processing table 12, and then the steep slope of each conveyance section 13 is The hanger 1 is lifted by actuating a well-known lifting device (path shown) built into the portion 13b.
1 is lifted to the top of each conveyor 13. Next, this hanger 11 slides along the gently sloped portion 13a of the conveying section 13 and is moved to the individual feeding device I4 for the next process, and by the operation of this individual feeding device 14, one piece is sent to the stop section 12 for the next process. sent to. Furthermore, by repeating the above operations, the sewing parts are processed in multiple steps.

On the lower floor surface F1 shown in FIG.
5 is arranged and a hanger conveyor system 3.
Input station 16 for inputting sewing parts to 4
is installed.

Next, the elevating device 20 that transfers sewing parts between the upper and lower hanger conveyor systems 3 and 4 will be explained in detail.

Adjacent to the loading station 16, a column 21 is provided on the lower floor surface F1 and extends vertically through the hole 17 in the upper floor surface F2. Recesses 7a, 8a are formed in the gently inclined section 13a of the conveyor rail 7.8 in the conveyor system 3.4.

On the inside side of each notch 7a, 8a, an individual feeding device 22, 23 for the lifting device, which is the same as the individual feeding device 14, is arranged. Further, a parts protector 17a extending downward through the notch 7a is inserted into the hole 17.

On the other hand, as shown in FIG. 1.4.5, a pair of guide rails 24.25 are attached to the support column 21, and a plurality of rollers 26.25 roll on these guide rails 24.25. A frame 28 having a frame 27 is mounted so as to be movable up and down. Below the tip of this frame 28 is a transport section 13.
A delivery rail 29, which has the same slope as the gently sloped portion 13a and can be fitted into each of the notches 7a and 8a, is supported and fixed below the center thereof.

Further, a rodless cylinder 31 equipped with an operating protrusion 30 that can reciprocate within a predetermined stroke is attached to the column 21, and a connecting protrusion 32 is provided on the frame 28. Then, when the rodless cylinder 31 is operated with both the protrusions 30 and 32 connected,
The operating projection 30 is raised and lowered to raise and lower the frame 28, and the delivery rail 29 is switched between an upward movement position and a downward movement position in which it selectively fits into the upper and lower notches 7a and 8a.

As shown in FIGS. 6 to 8, the delivery rail 29
Above the frame 28 is a hanger 11.
A holding device 33 capable of holding the transfer rail 29 is mounted on the transfer rail 29. The operating lever 3 is provided with a locking piece 35a and a pressing part 35b at the lower part of the support frame 34 of the holding device 33.
5 is rotatably attached, and as it rotates, the locking piece 35a engages the roller 9 of the hanger 11 as shown by the solid line in FIG.
There is a holding position in which the hanger 11 is held by engaging with the roller 9, and a holding position in which the locking piece 35a is released from the roller 9 and the pressing portion 35b presses the roller 9 toward the feeding side, as shown by the two-dot chain line in the figure. It is switched to the open position for opening the hanger 11.

An operating shaft 36 is rotatably supported on the upper part of the frame 28, and a first operating arm 37 is attached to one end of the operating shaft 36, and a second operating arm 38 is attached to the other end of the operating shaft 36 so as to be integrally rotatable. The operating lever 35 is connected to one end of the first operating arm 37 via a rod 39, and the other end is connected to the frame 2.
A removable restriction piece 40 is protruded from a part of 8. A spring 41 suspended between the actuating lever 35 and the support frame 34 normally engages the regulating piece 40 of the actuating lever 35 with a part of the frame 28 via the rod 39. , the actuating lever 35 is placed in the holding position.

A roller 42 is attached to the second actuation arm 38, and by moving the roller 42 from the solid line position to the two-dot chain line position in FIG. The arm 37 is rotated counterclockwise in FIG. 6, and as the arm 37 is rotated, the actuating lever 35 is rotated via the rod 39 to the open position.

Corresponding to the vertical movement position of the frame 28, a pair of upper and lower roller drive devices 43 and 44 shown in FIGS. are installed respectively. A guide rod 47 is supported through a support plate 46 provided at one end of each arm 45 so as to be able to reciprocate in the axial direction.
A retaining piece 48 that can be engaged with and detached from the roller 42 is attached to one end of each of the retaining pieces 7 at its upper end. Also, each support plate 4
Air cylinders 43a and 44a are respectively attached to 6, and their pistons 50 are connected to the lower end of the retaining piece 48. Each air cylinder 43a is placed in a state in which the roller 42 on the frame 28 faces one of the roller drive devices 43 and 44.

44a, each engaging piece 48 is reciprocated between the positions shown by the solid line and the two-dot chain line in FIG. 6, so that the roller 42 is reciprocated between the positions shown in the figure. .

Furthermore, in this embodiment a control device for the lifting device 20 is provided. That is, as shown in FIGS. 1 and 9, a lower in-side switch SWI and a lower out switch for detecting the hanger 11 are installed on the inside and outside sides of each of the notches 7a and 8a in the upper and lower hanger conveyor systems 3 and 4, respectively. Side switch SW2. An upper in-side switch SW3 and an upper out-side switch SW4 are provided. Also, pillar 21
In order to detect the arrangement position of the frame 28 in the lifting device 20, a lower detection switch SW5 and an upper detection switch SW6 shown in FIG. 9 are installed.

Each of the switches 5WI-3W6 has an interface 51.
It is connected to a microcomputer 52 (hereinafter abbreviated as microcomputer) via. The microcomputer 52 also has an independent mode in which each hanger conveyor system 3.4 is used independently, and an independent mode in which each hanger conveyor system 3.4 is used independently.
A mode change-over switch SW7 is similarly connected for switching between a combined use mode in which the lift device 4 is used in combination with the lifting device 20.

The microcomputer 52 includes the individual feeding devices 22 and 23.
Lower inner side individual feeding air cylinder 5 that constitutes the drive source of
3. The upper inner side individual feeding air cylinder 54, the rodless cylinder 31, and the air cylinders 43a and 44a of each roller drive device 43, 44 are connected via an interface 51, respectively. The microcomputer 52 then controls the operation of each air cylinder based on the operation control program for the elevating device 20 when the combination mode is set.

Now, the above-mentioned upper and lower hanger conveyor systems 3 and 4
When sewing parts to be sewn using the combination mode, the combination mode is set. When this mode is set, the frame 28 of the lifting device 20 is placed in the downward movement position, and the transfer rail 29 is placed in the lower hanger conveyor system 3.
It is fitted into the notch 7a of the conveyance rail 7 at. Further, the operating lever 35 of the holding device 33 is placed in the holding position shown by the solid line in FIG.

In the above state, each hanger 11 on the lower hanger conveyor system 3 from the loading station 16 shown in FIG.
After a large number of sewing parts have been attached to the hanger 11, each hanger 11 is moved to the lower individual feeder 22 for the lifting device by the operation of the individual feeder 14 installed at the loading station 16.
transported towards.

Then, the microcomputer 52 confirms the downward movement position arrangement state of the lifting device 20 based on the input signal from the lower detection switch SW5, and then confirms the presence of the hanger 11 based on the input signal from the lower in-side switch SWI. . After this confirmation operation, the microcomputer 52 operates the lower inner individual feeding air cylinder 53 of the individual feeding device 22 to push out one hanger 11 toward the delivery rail 29 of the lifting device 20.

Then, this one hanger 11 moves from the conveyance rail 7 onto the delivery rail 29, and the roller 9 engages with the locking piece 35a of the operating lever 35, as shown in FIG. In short, it is held by the husband.

In this state, the microcomputer 52 controls the rodless cylinder 3.
1 is activated, the frame 28 of the lifting device 20 is moved from the downward movement position to the upward movement position, and the delivery rail 29 holding the hanger 11 is fitted into the notch 8a of the conveyance rail 8 in the upper hanger conveyor system 4. .

After the microcomputer 52 confirms the upward movement position of the lifting device 20 based on the input signal from the upper detection switch SW6, the air cylinder 44a in the upper roller drive device 44 is activated.

Then, the retaining piece 48 is moved from the solid line position in FIG. 6 to the two-dot chain line position, and the roller 42 is moved from the solid line position to the two-dot chain line position in the figure. Based on the movement of this roller 42, each actuating arm 37.3B.

Via the actuating shaft 36 and rod 39, the actuating lever 35 is rotated from a holding position shown by a solid line in FIG. 6 to an open position shown by a two-dot chain line. Along with this rotation, the locking piece 35a of the operating lever 35 separates from the roller 9, and the pressing part 35
The roller 9 is pressed to the outside by b, and the hanger 11
is moved to the outside on the delivery rail 29.

When the roller 9 of the hanger 11 passes the upper out side switch SW4, a detection signal is input from the switch SW4 to the microcomputer 52, and based on the input signal, the microcomputer 52 confirms the completion of the hanger transfer. At the same time, the microcomputer 52 controls the upper roller drive device 4.
4, the operation of the air cylinder 44a is stopped, and the locking piece 48 is returned to the solid line position in FIG. As a result, the roller 42 and the operating lever 35 are returned to the holding position shown by the solid line in FIG. 6 based on the biasing force of the spring 41.

The hanger 11 transferred from the lower hanger conveyor system 3 to the upper hanger conveyor system 4 as described above is moved on the conveyor rail 8 along each processing table 2 of the upper hanger conveyor system 4, and the hanger 1
Predetermined sewing is sequentially performed on the sewing parts supported by the sewing machine 1 by the sewing machines on the respective processing tables 2.

Then, when the hanger 11 having the sewn parts that has been sewn in the upper hanger conveyor system 4 is moved to the upper individual feeding device 23 for the lifting device, the microcomputer 52 receives the output signal from the upper inner switch SW3. Based on this, the existence of the hanger 11 is confirmed. after that,
The microcomputer 52 controls the air cylinder 5 of the individual feeding device 23.
4 to move one hanger 11 toward the delivery rail 29.

Then, this hanger 11 is moved to the transfer rail 29 by the operating lever 35 of the holding device 33, as in the case described above.
held on top. Thereafter, the microcomputer 52 operates the rodless cylinder 3I to move the frame 29 of the lifting device 20 from the upward movement position to the downward movement position. Thereby, the delivery rail 29 holding the hanger 11 is fitted again into the notch 7a of the transport rail 7 in the lower hanger conveyor system 3. Then, based on the input signal from the lower detection switch SW5, the microcomputer 52
After confirming the downward movement position arrangement state of the lifting device 20,
Air cylinder 43a in lower roller drive device 43
is activated.

Based on the operation of the air cylinder 43a, the aforementioned holding device 33 opens the hanger 11 at the downward movement position, and the hanger 11 is transferred from the transfer rail 29 to the transfer rail 7 in the lower hanger conveyor system 3.

When the roller 9 of the hanger 11 passes the lower out side switch SW2, a detection signal is input from the switch SW2 to the microcomputer 52, and based on the input signal, the microcomputer 52 confirms the completion of the hanger transfer. At the same time, the microcomputer 52 controls the lower roller drive device 4.
By stopping the operation of the air cylinder 43a at step 3 and moving the retaining piece 48 back to the solid line position in FIG. 6, the operating lever 35 is returned to the holding position.

1 transferred again to the lower hanger conveyor system 3
The hangers 11 are connected to the lower hanger conveyor system 3.
The sewing machine on each processing table 1 sequentially performs predetermined sewing on the sewing parts that are moved on the transport rail 7 along each processing table 1 and supported by the hanger 11.

Then, when the hanger 11 with the sewn product that has been completely sewn in the upper and lower hanger conveyor systems 3-4 is moved to the mounting table 15 shown in FIG. 2, the sewn product is removed from the hanger 11. It is placed on the stand 15. And the above operation is all hanger 1
1, a large number of sewn products can be manufactured efficiently in a short time.

As mentioned above, in this embodiment, a pair of hanger conveyor systems 3.4 are independently arranged on the floor surfaces Fl and F2 at different heights, and between both hanger conveyor systems 3.4, Since a lifting device 2o is provided that can penetrate the floor surface F2 and move up and down vertically between the two, and can transfer the hanger 11 between the rails 7.8 of both,
Sewn parts can be efficiently and automatically transferred between each hanger conveyor system 3 and 4. Therefore, by transferring the sewn parts between both hanger conveyor systems 3 and 4, the sewn parts can be continuously transferred in the entire system. There is no risk of interrupted processing or increased burden on the operator.

Further, in this embodiment, each floor surface F1. Compared to the case where a transport rail is provided along the stairs connecting F2, the configuration of the lifting device 20 can be simplified and manufacturing costs can be reduced. Furthermore, since notches 7a and 8a are provided in the conveyance rails 7.8 of each hanger conveyor system 3 and 4, when the independent mode is set, the delivery rail 29 or an auxiliary rail having a substantially concave configuration with it is inserted into the notches 7a and 8a, respectively. If installed, each hanger conveyor system 3.4 can be easily used independently. In addition,
In this embodiment, since the lifting device 20 is driven by the rodless cylinder 31, the installation space can be reduced.

Note that this invention is not limited to the above embodiments,
It is also possible to increase the number of floor surfaces as appropriate.

〔Effect of the invention〕

As described in detail above, this invention provides a hanger conveyor system for each of a plurality of floors with different heights.
It is possible to efficiently transfer workpieces between each hanger conveyor system in a short time, prevent the possibility that continuous processing of the entire system will be hindered due to the transfer, and manufacture with a simple configuration for this purpose. This has the excellent effect of reducing costs.

[Brief explanation of the drawing]

Figure 1 is a front view showing a hanger conveyor system embodying the present invention, Figure 2 is a plan view of the hanger conveyor system installed on the lower floor, and Figure 3 is a hanger conveyor installed on the upper floor. A plan view of the system, Fig. 4 is a side view showing the lifting device, Fig. 5 is an enlarged plan view, and Fig. 6 is a side view showing the lifting device.
7 is a partially enlarged side view, FIG. 8 is a plan view showing the roller drive device, and FIG. 9 is a block diagram showing a control device related to the lifting device. 1.2... Processing table, 7.8... Conveyance rail, 11.
... Hanger, 20... Lifting device, Fl, F2...
Floor. Patent applicant Brother Industries, Ltd. Agent
Patent Attorney On 1) Hironobu Diagram (No. 44)

Claims (1)

[Claims] 1. A plurality of hangers (11) that support workpieces are movably suspended from rails (7, 8) that continuously extend along and near the plurality of processing tables (1, 2). , each hanger (1
1) is stopped at a position corresponding to an arbitrary processing table (1, 2), the workpiece is processed on the processing table (1, 2), and the processed workpiece is transferred to the processing table (1, 2) for the next process. ), a plurality of the hanger conveyor systems (3, 4) are arranged independently on floor surfaces (F1, F2) at different heights, and , any pair of hanger conveyor systems (
3 and 4), it penetrates the floor surface (F2) and connects both (
A hanger conveyor characterized by being provided with a lifting device (20) that can move up and down between the rails (3, 4) and transfer each hanger (11) between the rails (7, 8) of both (3, 4). system.