JPS6240399A - Conveyor with frame pitch changer - Google Patents

Abstract

PURPOSE:To simplify the entire part of process by constituting a conveyor in such a manner that the pitch of hanging bases of a conveyor frame hanging shape materials can be freely changed in treatment vessels to meet the sizes thereof even if the treatment vessels of different sizes are juxtaposed. CONSTITUTION:The shape materials E are perpendicularly hung from the conveyor frame D while lifting carriers 9, 9 are positioned to the upper part of lifting guides 2 as shown by virtual lines and the hanging rods Da of the frame D are held hung on arms 9a, 9i. A traveling carriage 1 is run on guide rails C in such changing state and is stopped above the prescribed treatment vessel A. The pitch width of arrangement is adjusted by the lifting carriers 9 so as to meet the depth length of the vessel A or the adequate inter-pole distance.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a conveying machine with a frame pitch changing device, and in particular to a conveying frame for conveying a large number of long shapes such as sash window frames mounted vertically. The present invention relates to a transport machine equipped with a frame pitch changing device that can change the pitch between frames in a transport machine that travels with a plurality of loaded frames in accordance with the width of a coating treatment tank such as plating anodization, chemical conversion coating, or painting.

[Conventional technology]

To explain a conventional example of a process device for forming a colored anodic oxide film on profiles for aluminum sash window frames, for example, a plurality of surface treatment tanks are installed in parallel, a conveyor is installed above them to run between them, and a plurality of profiles are processed. A plurality of conveyor frames (usually 2 to 5 frames) mounted vertically are suspended from a conveyor and conveyed, and the immersion and removal are repeated for each treatment tank and the process is carried out in sequence to achieve the desired coating treatment. .

[Problem that the invention seeks to solve]

In the above-mentioned conventional system, the surface treatment tanks include, for example, a degreasing tank, a water washing tank, a pre-anodizing tank, an electrolytic coloring tank, an electrodeposition coating tank, etc., and each tank is used for each treatment method. The size is suitable for the characteristics (appropriate distance between poles, etc.), that is, the frontage is the same, but the depth is different. Therefore, conventionally, several types of transport machines have been prepared that can suspend a plurality of transport frames at intervals that match the depth of the barrel. However, this has the drawbacks of complicating the equipment for the entire process and increasing equipment costs. In addition,
Regarding the conventional conveying machine, it is disclosed in Japanese Utility Model Publication No. 57-571) 1 etc. [Means for solving the problems] The present invention solves the above problems and allows processing tanks of different sizes to be used. Transport with a frame pitch change device that allows you to freely change the pitch of the hanging platform of the transport frame on which the shapes are suspended, depending on the size of the processing tank, even when they are lined up in parallel. It was developed with the purpose of providing a
As a specific measure, (1) Elevating carriers are installed on a pair of elevating guides symmetrically installed on the traveling vehicle platform so that they can be raised and lowered, and each elevating carrier has two suspension platforms attached to the elevating base via supports. The suspension stands are arranged in series in the running direction of the running vehicle body, and at least one set of symmetrical hanging stands are fitted along the support body so as to be movable forward and backward in the running direction of the running vehicle body. The conveying machine with a frame pitch changing device is characterized in that the arrangement pitch of the conveying frames suspended on each hanging table can be arbitrarily widened or narrowed by moving the hanging table, and more preferably. (2) The elevating carrier is arranged in parallel on the elevating guide as a set of three elevating bases, a hanging platform is fixed to the central elevating base via a support, and the elevating bases at both ends are horizontally elongated in the parallel direction. At the same time, guide rails are attached to the supports at both ends, and the suspension base is movably fitted, and the suspension base at both ends is configured to be moved forward and backward by a feeding mechanism. Preferably, (3) the elevating carrier has a horizontally elongated support attached to the elevating base in a substantially T-shape, the longitudinal center of the support fixes the hanging platform, and the support has a support extending outward from the center in the longitudinal direction. Attach a guide rail toward the target, and fit a suspension stand slidably at each end along the guide rail, and use a feeding mechanism attached to the support to move the suspension stand at both ends freely forward and backward along the guide rail. It is configured to do so.

[Effect]

The present invention having the above configuration operates as follows.

(a) The traveling vehicle can travel from the start end to the end end of a plurality of treatment tanks arranged so as to perform continuous processing, and can lift and lower the transport frame and transport the transport frame.

(II) A pair of elevating guides are symmetrically installed on the traveling vehicle platform in such a manner that they sandwich the lower processing tank, and the elevating carriers are symmetrically installed so as to be movable up and down. A transport frame for transporting the shaped material is hung on this elevating carrier, and the traveling vehicle transports it to the upper part of a predetermined processing tank, and the elevating carrier is lowered to immerse the shaped material into the processing tank. Then, the processed profile is raised and taken out.

(c) Two or more lifting carriers, usually two to five hanging stands, are installed symmetrically, and when three general-purpose hanging stands are installed in parallel, the position of the central hanging stand is fixed. The hanging stands on both sides can be moved from the central hanging stand in the distance direction by a feeding mechanism. One transport frame is suspended from each of these three suspension stands,
By moving the suspension stands on both sides forward and backward, the arrangement pitch of the three suspension stands can be made wider or narrower, and the arrangement pitch of the transport frames suspended from this can also be changed wider or narrower to match the size of the processing tank. It is something that

〔Example〕

An embodiment of the device according to the present invention will be described based on the drawings. The drawings relate to the present invention, and FIG. 1 is a front view showing the overall configuration, FIG. 2 is a side view of the device with three hanging tables, and FIG. 3 is a plan view of the device with three hanging tables.

First, an embodiment will be described in which three highly versatile hanging stands are provided, and the hanging stands at both ends are made movable so that the pitch interval between the three transport frames can be changed.

In Figure 1, a plurality of treatment tanks A are arranged in series in the front and back direction, and each treatment tank A has the same front length, but the depth varies depending on the type of treatment. There is a difference.

On both sides of the processing tank A in FIG. 1, high support stands B, B are constructed in parallel along both sides of the processing tank A.

Guide rails c1c are laid on the support stands B, B in the longitudinal direction (front-back direction in FIG. 1).

On both guide rails C1c are cars l 1 a, 1
A traveling chassis 1 is constructed so as to straddle the processing tank A so that the tank A can be slidably placed thereon.

As shown in FIG. 3, the traveling chassis l is constructed in the shape of a rectangular frame with a long frontage and a short depth when seen in plan, and has wheels 1a, la mounted on both longitudinal sides thereof, and the wheels are attached to shafts 1b, l.
b are oriented in the longitudinal direction of the vehicle chassis I, and are attached to the front and rear parts in the depth direction.

The central part of the rectangular frame shape in the plane of the traveling vehicle platform 1 is formed as an elevating space 1c, and elevating guides 2.2° are provided upright on the side frames of the traveling vehicle platform 1 on both sides of the elevating space 1c. The lifting guides 2 and 2° are each formed symmetrically,
FIG. 4 shows a plan view of the left lifting guide 2 in FIG. 1, and FIG. 5 shows a right side view thereof. Lifting guide 2, 2°
Now, guide rails 4 are attached to the inner surfaces of the support parts 2A, 2A', and 2A2 (on the right side in Fig. 4), and connecting cap bodies 5 and 6 are attached to the upper and lower ends of the support parts and the guide rails. It is vertically disposed such that its upper and lower center portions are located on both ends of the elevating space IC of the traveling vehicle chassis 1, and its rear is supported and fixed by supports 2c and 2b. Left column 2A shown in FIG.

Three pillars 2A', 2A'' are installed at equal intervals in the depth direction, and among these three pillars 2A, 2A', 2A2, the front pillar 2A and the rear pillar 2A2 are each placed in the upper and lower part in the front-rear direction. Long support arms 3, 3, . Moreover, they are attached so as to have substantially the same length above and below with the traveling chassis I at the center.

The guide rails 4.4... have H-shaped substantially U-shaped vertical groove bottoms 4a, 4a... disposed facing each other in a plane, and the opposing space is used as a lift section 4c', 4('', 4 (i).The guide rails for the right support column 2° are also attached symmetrically in the manner shown in FIG. 4.The guide rails 4, 4... Located on both sides of the processing tank A, lower than the upper end surface of the tank, the position is long enough to be lowered until the upper end of the lifting carrier (to be described later) is located below the upper end surface of the processing tank A. Connecting cap bodies 5 and 6 are attached to the upper and lower ends of the guide rail 4, and the guide rail groups on each side on both sides in the front are integrally connected.

Each of the elevating parts 4c', 4c2, 4(') is fitted with an elevating carrier 7.8.9 so as to be able to rise and fall freely. FIG. 4 is a plan view showing the left elevating carrier in FIG. , FIG. 5 is a right side view seen from the right side of FIG. 4, and since the lifting carrier on the right side in FIG. 1 is symmetrical with this, the structure is the same, and a description thereof will be omitted.

Each lifting carrier? , 8.9 lifting bases 7a, 8a, 9a
is formed into a prismatic block body and arranged long in the vertical direction, and wheels 7 are installed on the left and right sides of the right side surface shown in FIG.
b..., 8b..., 9b... are pivoted, and the shafts 7c..., 8c..., 9c... are oriented perpendicular to the arrangement of the guide rails 4. Yes, each wheel 7b
, . . . , 8 b . . . , 9 b .
．． 4, so as to be in close contact with the groove bottoms 4a..., 4a....

Also, the upper and lower wheels 7b of the lifting bases 7a, 8a, 9a...
At the bottom of 8b..., 9b..., axles 7d..., 8d..., 9d... are horizontally suspended in the left direction in FIG. ..., 8e..., 9e
... are mounted on the shaft, and the sub wheels 7e..., 8e...
, 9e..., as shown in the plane in Fig. 4,
It is configured to be in close contact with the groove side bodies 4b, 4b... of the guide rail, and in particular, the upper secondary wheel is configured to contact the right groove side body, and the lower secondary wheel is configured to be in contact with the left groove side body. This prevents rattling.

Each lifting base mentioned above? Above a, 8a, 9a, on the right side in FIG.
, 8g, and 9g are attached.

The support body 8f at the center in FIGS. 4 and 5 has a narrow width to fix the hanging table 8g. The hanging table 8g has a pair of arms 8i, 8i attached to both ends of the side width of the base end body 8b, which is approximately rectangular parallelepiped. It has a rectangular shape and has a groove 8j formed at the edge of the upper end of the arm.

Also, supports 7r and 9f at both ends in FIGS. 4 and 5
is formed to be horizontally elongated from side to side, and as shown in the front view in FIG. 5, guide rails 7 are attached to the guide rails 7 at the upper and lower left ends of the support so as to protrude vertically. A long threaded rod 71, 91 is horizontally supported in the upper and lower intermediate portions of the supports 7f, 9f, and a pulley 7m is provided with both outer ends of the rods protruding outside the supports 7r9°9f. 9m is fixed.

Below the supports 7f and 9f, a shaft support 7n is provided in parallel.
9n is fixed to the lifting bases 7a and 9a, the shafts 7o and 9o are supported horizontally, and pulleys 7m' and 9m' are fixed to the tips of the shafts, and the pulleys 7m1°9m' and the ends of the threaded rods are connected to each other. Timing belt 7p between pulleys 7m and 9m,
9p is attached. Furthermore, pulleys 7 m x 29 m2 are attached to the other ends of the shafts 7o and 9o, and the elevating base? The timing belts 7r, 9r are hooked between the prime movers a7q, 9q attached to the lower side of the prime movers 7q, 9q, and the threaded rod 71! , 91 are rotated.

Both base end bodies 7h, 9h form a sliding contact portion 9s having a substantially U-shaped cross section as shown in the side view in FIG. A shaft is vertically attached to the plate, a wheel 9t is attached to the lower end of the shaft, and a guide rail 9k is sandwiched between the base end body 9h and the wheel 9, and the lower sliding portion is connected to the support body 7f. , a sliding contact body 9u is erected at the tip of the lower support plate projecting horizontally to the 9f side, a shaft is erected in the direction of the proximal body force facing the sliding contact body 9u, and a wheel 9t is attached to the sliding contact body 9u. The guide rail 9k is sandwiched between the body 9u and the wheels 9t, and a feed section (not shown) is formed on the support side of the proximal bodies 7h and 9h, and the feed section has a screw hole carved in the front and back direction. Then, the threaded rod 712.91 is externally fitted into the threaded hole. Therefore, the hanging stands 7g, 9g can be moved in the left-right direction in FIG. 5 by forward and reverse rotation of the threaded rods 7β, 91.

Wire fixing parts 7v, 8v, and 9v are attached to the upper and lower ends of the lifting bases 7a, 8a, and 9a, to which a wooden lifting wire 10 is connected. The lifting wire 10 has both ends connected to the wire fixing parts 7v.

8v, 9v separately, the upper curved portions thereof are hung from suspension pulleys 5a, 5a, etc. attached to the connecting body 5, and the lower curved portions are attached to the lower connecting body 6. 6a... is called. Also, the lifting wire 10...
As shown in FIG. 2, the lateral side of is connected to a winch 1) attached to a traveling chassis 1. Reference numeral 1) a in Figure 2
+1) a is a guide roller.

Therefore, the guide rail 4 on the right side in FIGS. 1 and 3
are attached with weight guides 12, 12.12, and weights 13... are suspended by wires 13a, and the wires 1
3a is a weight guide 12... It is suspended from a pulley 12a attached to the upper part, and its tip is connected to the lifting base 7a.
...It is connected to the upper part.

Therefore, the lifting carrier 7.8.9 in FIGS. 1 and 3 is configured to rise when the weight 13 is lowered, and to be lowered when the winch 1) is lowered.

In Fig. 1, the reference numeral indicates the transport frame, and the suspension rod [)a installed horizontally has a plane approximately T in the depth direction at both longitudinal ends.
Hanging stands Db and Db are attached in a letter-like shape, and a rough kinging part [)c is formed at the bottom thereof, and a group of square shaped members E such as a window frame is placed in the ranking part Dc. are doing. Both devices Db, Db are connected to arms 7i, 8i, 9
Groove 7j for i.

Hang it in the same manner as 8j and 9j.

According to the present invention having the above configuration, as shown by the imaginary line in FIG.
The suspension rods Da of the transport frame are suspended above the arms 9i, 9i, and the shapes are suspended vertically from the transport frame. In this suspended state, the traveling vehicle 1 travels on the guide rail C, stops on a predetermined processing tank A, and lifts and lowers the carrier 7. 8,9. Match the array pitch width.

In FIG. 4, since the depth of the processing tank A is short, the lifting carriers 7.9 on both sides are close to the central lifting carrier 8, but as in the processing tank AA shown by the imaginary line on the right side of FIG. If there is depth, the prime mover 7q shown in Figures 5 and 6
, 9q, and the transmission mechanism 7 flll+ 7m'
17m”+ 7 p+ 7 r+ 91)1'+
9 m"+Threaded rod '1) through 9r19r, 91
By rotating the lifting carriers 7.9, move the lifting carriers 7.9 to near both ends of the supports 7f and 9f (indicated by imaginary lines). , 8.9.

In this way, the lifting carriers 7.8, 9. arm 71
..., 8t..., 91... After changing the array pitch of the conveyor frame suspended above to be wide or narrow according to the size of processing tanks A, AA... ), the lifting carrier 7.8.9 and the three transport frames suspended thereon are lowered by hoisting up the weights, and the rough-king shapes E are transferred to the processing tanks A and A.
Immerse it in the processing solution in A.

When the predetermined processing time in the processing tank has elapsed, winch 1
), the hoisting lock of the weight 13 is released, and the lifting carrier 7.8.9 and the three transport frames suspended from it are lifted by the falling gravity of the weight 13, and the profile E is placed on the processing tank. After escape, the traveling vehicle 1 is moved to the upper part of the next processing tank X, and the array pitch interval of the elevating carriers 7, 8, 9 is adjusted to be wide or narrow according to the size of the processing tank X.

Thereafter, the same steps as described above are repeated.

The operation amount 2 operation timing of each operation part in the above is automatically controlled by a microcomputer according to a predetermined program set in a controller F disposed on the traveling chassis 1.

Note that the present invention is not limited to the above configuration. That is, in the above embodiment, the lifting bases 7a+8a.

Although an embodiment is shown in which three 9a are arranged, it is also possible to use one elevating base as shown in the second embodiment in FIG.

A second embodiment will be described based on FIG. 7 (plan view) and FIG. 8 (side view). Since the operation of each member is the same as in the first embodiment, a description of the operation etc. will be omitted and the member names will be identified by reference numerals.

H-shaped guide rails 15, 15 are disposed at the front and rear ends of the lifting guide 14 in the depth direction with their groove bottoms 15a, 15'a facing each other at a predetermined interval. The lifting base 17a of the carrier 17 is connected to the wheels 1.
7b, 17b... are arranged so that they can be raised and lowered by sliding. In the figure, 18°18 is a weight guard, 19.19
is a weight, 20.20 is a wheel, 21.21 is a hanging wire, and 23°23 is a connecting body.

The elevating carrier 17 has a support 17f attached to the left side of the elevating base 17a in FIG. The hanging stand 17C is fixed. However, support 1
A guide rail 17 and a guide rail 17k are attached to the upper and lower edges of the left side in FIG. 7 of 7f. Its structure is the same as the supports 7f and 9f shown in FIGS. 4 and 5, and the reference numeral 17 in the drawings is
g is a threaded rod, 17h is a pulley, and 17d and 17e are suspension stands. The structures of the hanging stands 17d and 17e are the same as in the first embodiment. In FIG. 7, a shaft support (not shown) is attached below the support 17f in a manner connected to the elevating base 17a. In this second embodiment, there is only one lifting base 17a and a hanging base 17c.

17d and 17e are constructed so that the hanging stands 17d and 17e at both ends can be moved, as in the first embodiment, and the movement method is the same as in the transmission mechanism of the first embodiment, using the threaded rod 17.
Due to forward and reverse rotation of g.

Above, we have described a highly versatile example in which three suspension tables are installed in parallel and the suspension tables at both ends are movable. It is also possible to take other forms.

FIG. 9 shows a plan view of the third embodiment, which is an example of a mode in which two movable suspension stands are provided, and the fixed suspension stand in FIG. 7 is removed, and each part is The structure as well as its operation is the same. Further, in this case, an embodiment in which two sets of two such movable hanging stands are provided can be adopted as appropriate.

Furthermore, if you want to raise and lower the transport frames for two processing tanks at the same time with one transport machine, the system shown in Fig. 10, in which the transport frames shown in Fig. 7 and Fig. 9 are installed side by side at the same time, can be used. A fourth embodiment may also be used, and its operation may be similar.

[Effects] Since the present invention is constructed as described above, the arrangement pitch of the transport frames on which the shapes are hung can be adjusted wide or narrow according to the processing tanks of different sizes arranged so that continuous processing can be performed.

Therefore, various continuous treatments can be carried out by arranging the shapes in the treatment tank at an arrangement pitch that is easy to process, and uniform and complete electrolytic coloring treatment or coating treatment such as electrodeposition coating can be performed in each treatment tank. can do.

In addition, by conveying the conveyance frame while gathering it in the center position during conveyance, it is possible to reduce damage to the processed material due to conveyance shake.

[Brief explanation of the drawing]

Fig. 1 is a front view showing the positional relationship between the transporter main body and the processing tank, Fig. 2 is a conceptual side view of an embodiment of the transporter, and Fig. 3 is a plan view of the transporter corresponding to Fig. 2. Figure 4 is
Enlarged plan view of main parts of the elevating carrier in one embodiment, No. 5
The figure is an enlarged front view of the main part in Fig. 4, and Fig. 6 is an enlarged front view of the main part in Fig. 4.
7 is an enlarged plan view of the main parts of the elevating carrier in another embodiment, FIG. 8 is an enlarged front view of the main parts around the elevating base in FIG. 7, and FIG. 9 is an enlarged side view of the main parts in the figure. FIG. 10 is an enlarged plan view of a main part of an elevating carrier in still another embodiment, and FIG. 10 is an enlarged plan view of a main part of an elevating carrier in still another embodiment. A...Treatment tank B...Support stand C...Guide rail D...Transport frame E...Shape 1...Traveling platform 2,2°...Elevating guide 3/soil support arm 4...Guide rail 5.6
...Connection cap body 7.8.9...Elevating carrier 7a+8a+9a+...Elevating base 7g, 8g, 9
g... Hanging stand 7f, 8f, 9f... Support 7
h, 8h, 9h... base end body 7i, 8i, 9i... arm 7j, 8j, 9j... groove 7, 9k...
・Guide rail 7A, 9j!・・・Threaded rod 7m+7m
', 7m2...Pulley 9m, 9m', 9m"...
・Pulley 1p, 9p...Timing belt 7Q, 7Q...Motor 7r, 9r...Timing belt 7v, 8v, 9v...Wire fixing part 10...Elevating wire 1)...Winch 13・... Weight 14 River lifting guide 15 ... Guide rail 17 ... Lifting carrier 17a ... Lifting base 17c, 17d, 17e - Hanging platform 17f...
・Guide rail 17g...Threaded rod 17h...
Pulley patent applicant: Toyo Giken Kogyo Co., Ltd. Nippon Light Metal Co., Ltd. Fig. 2 Fig. 24 Off Fig. 23' O Fig. 9

Claims (3)

[Claims] (1) Elevating carriers are installed on a pair of elevating guides that are symmetrically installed on the traveling vehicle platform so that they can be raised and lowered, and each elevating carrier has two or more hanging platforms symmetrically attached to the elevating base via supports, The hanging bodies are arranged in series in the running direction of the running vehicle, and at least one set of symmetrical hanging stands is fitted to each hanging stand so as to be movable forward and backward in the running direction of the running chassis along the support body. 1. A transport machine with a frame pitch changing device, characterized in that the arrangement pitch interval of the suspended transport frames can be arbitrarily widened or narrowed by moving the hanging table. (2) The above-mentioned elevating carrier has a set of three elevating bases arranged side by side on the elevating guide, a suspension base is fixed to the central elevating base via a support, and horizontally elongated bases are attached to the elevating bases at both ends in parallel directions. In addition to attaching a support, a guide rail is attached to each of the supports at both ends, and a hanging table is movably fitted therein, and the hanging table is moved forward and backward at both ends by a feeding mechanism. A conveying machine with a frame pitch changing device according to claim 1. (3) The elevating carrier has a horizontally elongated support body attached to the elevating base in a substantially T-shape, and a hanging table is fixed to the longitudinal center of the support body, and a support body is attached to the support body in an outward longitudinal direction from the center. A guide rail is attached, and hanging stands are slidably fitted at both ends along the guide rail, and the hanging stands at both ends are moved forward and backward along the guide rail using a feeding mechanism attached to the support. A conveying machine with a frame pitch changing device as set forth in claim 1.