JPS59211563A - Automatic dipping device - Google Patents

Abstract

PURPOSE:To perform plating operation with excellent working efficiency in the stage of subjecting a pipe joint, etc. to tin hot dipping by attaching a derrick for holding a material to be plated on a carriage which travels continuously on an annular traveling path, and dipping automatically said material into a plating bath in the position of a plating bath cell. CONSTITUTION:A carriage 3 is run by a driving device 23 on an annular traveling path 5 provided with guide rails 11, 28. A derric meeting the kind and size of a material to be plated is attached to the carriage 3 in a section D. The material to be plated is placed on the top end of the derrick in a section E and when the carriage comes to a section A where a plating cell 4 is disposed, the derrick is inclined by the actuation of the rail 28 and the top end thereof is dipped in the plating bath cell, by which the material at the top end thereof is subjected to tin hot dipping. The derrick returns horizontal in a section B' and the material to be plated at the top end of the derrick falls into a cooling tank 60 in a section C, by which the material is cooled and washed.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automatic immersion device for automatically performing immersion treatment such as plating in which an object to be immersed, such as a pipe joint, is immersed in an immersion liquid tank such as a plating tank.

Conventionally, when plating is carried out by dipping, for example, by the so-called gutter method, all the work such as transporting the dipped material is usually done manually, which inevitably leads to poor work efficiency and a high cost to workers. There were inconveniences such as being forced to do hard labor.

Therefore, in recent years, a plating apparatus for pipe fittings disclosed in Utility Model Publication No. 14/J53 49771 has been proposed as an apparatus capable of automatically carrying out such operations.

That is, in this device, a trolley that runs along an impaction guide path supports a platter holding a pipe joint as an object to be immersed, and a plating tank or the like, which is an immersion liquid tank, is placed around the impaction path. It is arranged in such a way that it can automatically transport pipe fittings to plating baths, etc. Therefore, this device can automatically move pipe fittings to each processing section, reducing human work as much as possible.
It is possible to significantly improve work efficiency and reduce the labor burden on workers.

However, in such an apparatus, there is still an inconvenience in that the work of supplying the pipe fittings to the plating bath and the work of removing the plated pipe fittings from the plating bath must be carried out by manually operating the platter.

The present invention was made with attention to such circumstances, and
To provide an automatic V-immersion device which can automatically perform the dipping work of immersed objects such as pipe joints, and which can safely and stably immerse the objects to be immersed.

Next, one embodiment will be described with reference to the drawings.

The automatic dipping device of this embodiment has pipe fittings as objects to be immersed],
1..., a holding part (iitj) for holding the platform 14, and a carriage 3 supporting the carriage 2 in a tiltable manner, and the carriage 3.
A traveling drive mechanism 6 for cleaning the plating tank 4, which is an immersion liquid tank, in a horizontal direction including the immersion section A, and moving it in a fixed direction (in the direction of the arrow) along an annular traveling path 5; While traveling in section A, the trolley 3 is held horizontally and only the holding parts 2 are changed to a tilted position and the ill front pipe joints 11 are placed in the plating bath 4. The attitude change machine groove 7 to be immersed is formed by a device (Ifif).

As shown in FIG. 2, the trolley 3 has a pair of first guide rollers 8, 8 pivotally supported on one side on the plating tank 4 side, and is supported by a guide rail 11 so as to be freely transferable. Further, a second idle roller 9, 9 and a third guide roller 10° 10 are pivotally supported via a member a having a cross section in the front and rear of the bottom surface of the truck 3, and the second guide roller 9, 9 is rotatably supported on the second guide rail 12, and its third guide rollers 10, 10 are rotatably mounted on the third guide rail 13. Second. The third guide rollers 8,9,10 are returned to the traveling path 5, so that the truck 3 can freely travel in a horizontal state.

1q First guide roller 8, 8 The first guide roller 8 has a U-shaped cross section.
It is supported by the first guide roller 11 on the lower surface of the guide rails 11, 11, the second guide roller 9 is inserted and held by the second guide rail 12, and the third guide row 210- is supported by the IJQ 612 It is supported by a person placing it on a plate-shaped third guide rail 13 extending horizontally from one of the rA2 guide rails 12 . As shown in FIG. 1, the guide rails 11, 12, 13 are provided in an annular shape along the running route 5 while maintaining a constant positional relationship with each other.

In addition, the central part of the trolley 3 is shown in FIGS. 4 and 5.

As shown in FIG. 6, the holding member 2 is tiltable by means of a pivot rod 20 on a vertical plane perpendicular to the running direction of the truck 3, and this holding part (the second is a pipe joint), The plate 14 is provided with a support 15, 16 that supports the plate 7 and 4.The plate 14 has a KT-shape at one end of the rod-shaped portion 14a, and a support body 15, 16 that supports the plate 7. are connected in series, and a rod-shaped><iI 14 a pipe joint 1.
1.], 4c are arranged in series.

The support body 15 has a pair of support plates 15a, 15a erected at one end of the +ffJ holding member body 2a, and a first holding roller 18 at the upper part between these support plates 15a, 15a.
It is made by pivoting 29. The support 16 is of
f Holding G (i) A support plate 16a having a vertically extending fitting groove 16b is provided at the end of the main body 2a, and the side surface of the support plate 16a is shown in FIG. As shown in FIG. 2, a locking body 1 is rotatably operated between a locking position where the fitting groove 16b is blocked (solid line position in the sixth figure) and a locking release position where the insertion groove 16b is not blocked (dash line position in the same figure). A rod-shaped portion 14a of the plectrum 14 is provided.
is supported on the first holding roller 18 of the support body 15 and inserted into the fitting groove 16b, and the locking body 1 is
9 from the unlocking position to the locking position and fixing them at the positions 19a and 19b, the holding part 14c of the plectrum 14 is fixed in a state protruding outward from the travel path 5. ing. Note that the plectrum 14 is prevented from moving in the direction of the holding portion 14c by the collar portion 14d being locked by the first holding roller 18.

Further, as shown in FIG. 1, a plating tank 4, a vibration table 50, and a cooling tank 60 are sequentially arranged around the traveling route 5, and the trolley 3 is plated by a traveling drive machine 1 and 6 as shown below. It is designed so that it can be automatically moved sequentially to each installation location such as the tank 4.

That is, along the travel route 5, there is a first conveyor chain 21 consisting of a universal chain and a second conveyor chain 21 consisting of a normal chain 7.
The conveyance chain 22 is stretched. Both chains 21 and 22 are driven to travel in the same direction (in the direction of the arrow) at variable speeds by a suitable drive device 23, but the second conveying chain 22 is driven at a lower speed than the first conveying chain 21, that is, in the present embodiment. The second conveyance chain 22 is made to travel at a speed approximately S of the first conveyance chain 22. Also, for each Cheno 21 or 22,
Engagement bodies 24 are vertically installed from the bottom of the trolley 3 at appropriate pitches.
Engagement claw 21a or 22 that can engage with a and '24b
A is provided protrudingly. Each chino 21 or 22 has rows 221b, 21b or 22b provided at appropriate pitches,
22C is movably supported on the guide rails 25 or 26 to be rotatably guided and supported along the travel path 5. As shown in FIG. In the section Bl from the end of the immersed section where the pipe fittings 1.1... are immersed to just before the section where the pipe fittings 1.1 are immersed in the vibration table 5, the engaging claw 21a engages with the engaging body 24a of the trolley 3 and the trolley 3 in the direction of the arrow at high speed (see Fig. 2), and follow the lower path in which the engaging claw 21a does not engage the engaging body 24 in any section other than the section Bl (see Fig. 2). (See Figure 1.3). In other words, the engaging claw 21a of the first conveyance chain 21 is engaged with the engaging body 24a only in the section BI to cause the trolley 3 to travel at high speed, thereby allowing the pipe fittings 1.1... - is quickly sent to the shaking table 50 to remove the excess, and then the cart 3 is artificially sent to the cooling tank 60. By doing so, the pipe fittings 1.1 plated in the plating tank 4 are quickly sent to the cooling tank 60 to prevent the quality of the pipe fittings 1.1 from deteriorating. Further, in the section B, the second conveyance chain 22 follows an inner path (first
3), and in sections other than the section B, the engaging claw 22'a follows an outer path that does not engage the engaging body 24b at all (see FIG. 1). It goes without saying that the inner route and the outer route or the iffff side route and the lower route are each smoothly connected.

While the trolley 3 is being moved at low speed through the immersion section A by the second conveyance chain 22, only the holding member 2 is tilted by the attitude changing mechanism 7 as described below, so that the pipe joint 1°1 . . . The posture is changed so that it is immersed in the puddle tank 4.

That is, this posture changer groove 7 is formed in the holding member main body 20.
It consists of a fourth guide roller 17 that is pivotally supported on one side, that is, the side opposite to the plating tank 4, and a fourth guide rail 27 that guides and supports this fourth guide roller 17 along the traveling route 5. In sections other than the immersion section A, the first . Second. Third. Gaitley/L/11,
22.13 The fourth guide rail 27 is also arranged horizontally, but in order to tilt the holding member 2 as shown in FIG. A portion of the fourth guide rail 27 is removed, a rod-shaped guide rail 28 is connected thereto, and the immersed section A of this guide rail 28 is positioned higher than the horizontal portion of the fourth guide rail 27. let Then, the fourth guide roller 17 running along the guide rail 28 is guided upward as shown in FIG. The pipe fitting 1 is tilted to the side and held by the holding portion 14cK.
1... is immersed in the plating tank 4.

Note that the height of the guide rail 28 is not changed abruptly but smoothly.

Next, the operation of the above embodiment will be explained.

First, in the flexure replacement section, the flexure 14 is placed on the trolley according to the type, size, etc. of the pipe joint to be plated.
Attach to. This installation is done using the Bretsuki 140
a is the support plate 15a.

The rod-shaped portion 14a is held on the upper first holding roller 18 brought between 1 and 5a, and the rod-shaped portion 14a is inserted into the insertion groove 16bK of the support plate 16 by the upper locking body 19.
This can be easily done by locking the cantilever method. In addition, in this plat replacement section, the engaging pawl 21a of the first conveyance chain 21 and the engaging pawl 22a of the second conveyance chain 22 are not engaged with the engaging bodies 24a, 24b of the truck 3, and the truck 3 is in a free state, but if the truck 3 is artificially moved in the direction of the arrow, the truck 3 with the telegraph 14 accommodated therein will be brought to the pipe joint section EK.

Then, in this section E, the holding portion of the pletsuki 14]
, 4c hold a desired number of pipe joints 1, 1..., and then similarly move the trolley 3 from the section E to the section B (if C is brought artificially, the engagement pawl of the second conveyance chain 22 22a
is engaged with the engaging body 94b, and the second conveyance chain 22 causes the truck 3 to travel at low speed in the direction of the arrow.

When the cart 3 is made to travel to the immersion section A, the guide rail 28, which had been positioned at a height of 6σ as shown in FIG. The pipe fittings 1, 1, . . . are immersed in the plating tank 4 by being tilted from the horizontal position shown in FIG. 2 to the tilted position shown in FIG. While the trolley 3 is traveling in the immersion section A, the state on the "2nd side" is maintained. At this time, since the plating plate 14 is allowed to rotate counterclockwise to a certain extent in the upper direction in FIG. ), it will be forced to oscillate somewhat downward due to the resistance of
Thereby, even the inside of the pipe fitting 1 held by the holding portion 14c can be sufficiently plated.

When the trolley 3 passes through the immersion section A, the guide rail 2
8 is lowered, the holding part (the plated pipe joint after the hook 2 is returned to the horizontal position shown in Fig. 2),
... KJ (X) is automatically dispensed from the tank 4.

At the same time, the engagement claw 22a of the second conveyance chain 22 is disengaged from the engagement body 24b, and the engagement claw 21a of the first conveyance chain 21 is now engaged with the engagement body 24aK, and the holding FA
While the rack 2 is held in the horizontal position, the trolley 3 is run at high speed by the first conveyor chain 2 to the shaking table section B1, then to the section B', and is set free in the section B1. Note that during this time, any excess plating solution is removed by the vibrating table 50. Thereafter, the trolley 3 is artificially brought to the cooling section C, and in the section C, the telegraph 14 is manually reversed by holding the operating part 14b, and the plated pipe fittings 1, 1, . . . are placed in the cooling tank 60. Let it be supplied.

As can be easily understood from the above explanation, by being made to run along the traveling route 5 of the bogie 3 or the ring,
The work in each processing section arranged around the travel route 5 can be carried out efficiently and with light labor. Moreover, while the trolley 3 is traveling in the immersion section A, the holding section (second
The position of the pipe joint 1 is changed automatically. l... will be immersed in the plating tank 4, and the plating tank 4 of the pipe fitting 1 will be immersed in the plating tank 4.
In addition, the plating tank 4 is automatically supplied to the plating tank 4, which improves work efficiency and further reduces the burden on the worker's bone motion. While the carriage 3 is running, only the holding section side 2 is automatically changed in position so that the pipe fitting 1.1 is immersed in the plating tank 4, and the carriage 3 is still in its first position. The second and third guide rollers 8 and 910 are the first and third guide rollers 8 and 910. Second. Third guide rail 11.12. Since it is supported by l 3 and continues to maintain a horizontal state, even if the position of the nh holding part (2nd) is changed, it will not be moved to the plating tank 4 side when this holding member 2 and trolley 3 are combined. The load level is not so large, and therefore, the danger of the cart 3 collapsing to the side of the plating tank 4 can be prevented as much as possible, and the holding part lug 2 can be tilted in a safe and stable state. Pipe fittings by excitation 1. It is possible to carry out the immersion of l.

The automatic dipping device according to the present invention is not only used for plating pipe fittings l in the plating bath 4 as in the embodiments described in fjQ, but also for performing dipping treatment by immersing objects to be dipped in a dipping liquid bath. It can be suitably used in all cases where necessary.

Further, the holding portion 171'2, the traveling path 5, the attitude changing mechanism 7, etc. can be changed as desired depending on the immersion treatment conditions and the like. For example, the holding member 2 is
and supports 15 and 16 may be integrally formed into the same structure as shown in FIG. You can do it like this.

Furthermore, in the attitude changing structure 7, the holding part +A2 is always held in the horizontal attitude as shown in FIG. 2 by an elastic member such as a spring, and the cam member Accordingly, the posture may be changed to a tilted posture as shown in FIG.

In any case, according to the automatic immersion device of the present invention, not only the objects to be immersed can be automatically transported to the immersion liquid tank, etc., but also the objects to be immersed can be supplied to and immersed in the immersion liquid tank. Since the extraction from the liquid tank can also be performed automatically, a single dipping process such as plating can be carried out efficiently by as few workers as possible.Moreover, this automatic dipping device requires no trolleys. Since the object to be immersed is immersed in the plating tank by tilting only the holding member for plating inspection while holding it horizontally,
The safety of the device itself during the dipping operation is also greatly improved, and the dipped object can be dipped in a stable state.

[Brief explanation of drawings]

The figure shows an example of an automatic dipping device related to Honbatsu. Figure 1 is a schematic plan view of the running route, and Figure 2 is a vertical front view showing the state in which the trolley is running near the dipping section. Figure, 3rd
The figure is a vertical front view showing the state in which the trolley is running in the immersed section.
Figure 4 is a side sectional view of the truck, Figure 5 is a plan view of the truck, and Figure 6 is a side sectional view of the truck.
The figure is a side view of the trolley, Figure 7 is a longitudinal cross-sectional side view of the main part along the jl[-Vff line in Figure 2, Figure 8 is a cross-sectional view along the ■-■ line in Figure 7, and Figure 9 is a cross-sectional view of the The key tNII shown in the IX-IX line in the figure
FIG. l... Pipe joint (submerged object), 2... Holding member, 3...
・・Dolly, 4・・Plating tank (immersion liquid tank), 5・・Traveling route, 6・・Driver groove, 7・・Position change mechanism, A・・
・Immersion section. Patent applicant Marusho Kogyo Co., Ltd. Agent Patent attorney Takashi Suzue - Figure 4 Figure 6

Claims (1)

[Claims] a cart supporting a holding member for holding an object to be immersed in a tiltable manner; a travel drive mechanism for driving the cart along a predetermined travel path including a dipping section along an immersion liquid tank VC;
While the cart is traveling through the immersion section, the cart is held horizontally in a down position, and the object to be immersed is immersed in the immersion liquid tank by changing the posture of only the holding part (11) to a tilted position. An automatic immersion device comprising a posture change mechanism.