JPH04107727U - Trolley conveyor for container electrodeposition coating - Google Patents

Abstract

(57) [Summary] Trolley conveyor for electrocoating containers [Purpose] To provide a trolley conveyor used for uniformly electrocoating the outer surface of a container having a substantially elliptical cross section. [Structure] Carrier moving through the upper part of the electrodeposition tank 11
19 is equipped with a hoisting device 21. The container support frame 22 is suspended from the carrier 19 by a hoisting device. The container T is rotatably supported around a horizontal axis by a support means on a container support frame 22. The container T supported by the support means is rotated by the rotation means. The control means controls hoisting and lowering of the hoisting device so that the lower end level of the outer surface of the container rotated by the rotating means remains constant.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This idea is suitable for long and large shapes such as non-cylindrical shapes such as elliptical cross sections or rectangular shapes. Concerning the trolley conveyor used when applying electrodeposition coating to the outer surface of sealed containers. do.

0002

[Problem that the idea aims to solve]

Generally, when electrocoating an object such as a car body, the entire object is electrocoated. This is done by immersing it in the processing liquid in a tank, but it is not possible to It is difficult to immerse the entire closed shape in the processing liquid. There By rotating the container while it is floating in the processing liquid, It is conceivable to sequentially immerse the entire outer surface of the container in the treatment liquid. In this case, especially Regardless of whether the container is cylindrical, if the container is approximately oval in cross section, If the hole is non-cylindrical, the workability is poor and requires a lot of effort, resulting in extremely low efficiency. The purpose of this invention is to efficiently electrocoat non-cylindrical containers such as those mentioned above. Our objective is to provide a trolley conveyor that can

0003

[Means to solve the problem]

The trolley conveyor for container electrodeposition coating based on this invention passes through the top of the electrodeposition tank. The hoisting device installed on the carrier that moves Therefore, the suspended container support frame and the container support frame are connected to each other. a support means for supporting the antenna rotatably around a horizontal axis; A rotation means for rotating the container T, and an outer surface of the container rotated by the rotation means. and control means for controlling the hoisting of the hoisting device so that the lower end level is constant. It is something that

0004

[Effect]

The trolley conveyor for container electrodeposition coating based on this invention has a A hoisting device installed on a carrier that moves with The container support frame is suspended by the container support frame, and the container support frame is a support means for supporting the antenna rotatably around a horizontal axis; a rotating means for rotating the container, and an outer surface of the container rotated by the rotating means; and control means for controlling the hoisting of the hoisting device so that the lower end level is constant. Therefore, when the carrier reaches the upper part of the electrocoat tank, a part of the container is inside the electrocoat tank. Lower the container support frame by lowering the hoisting device so that it is immersed in the processing liquid. In this state, while rotating the container using the rotating means, lower the lower edge level of the outer surface of the container. The control means controls the hoisting and lowering of the hoisting device so that the hoisting angle remains constant.

[0005]

【Example】

An embodiment of this invention will now be described with reference to the drawings.

[0006] In this example, forward and backward refers to the direction in which the trolley moves with reference to the direction of movement of the trolley. The side facing forward is called the front, and the opposite side is called the back. shall be said.

[0007] The trolley conveyor has a main rail 12 extending in the front and back direction across the upper part of the electrodeposition tank 11. and a sub rail 13 extending parallel to the left side of the main rail 12, and a sub rail 13 extending parallel to the main rail 12. A self-propelled drive trolley 14, a front main driven trolley 15 and a rear main driven trolley 16, which move with , a front secondary trolley 17 and a rear secondary trolley 18 that move along the secondary rail 13, and the above-mentioned trolley. Carrier 19 moving together with 14 to 18 and the hoisting device equipped on carrier 19 21 and the container support frame suspended by the hoisting device 21 from the carrier 19. It is equipped with 22 rooms.

[0008] The carrier 19 is connected to the drive trolley 14 by a horizontal rod 31, and has front and rear driven main trolleys. The main load bar 32 is stopped at the trolleys 15 and 16, and the main load bar 32 is stopped at the front and rear sub trolleys 17 and 18. from the front and rear ends of the main and sub load bars 32 and 33, respectively. The two pairs of right and left suspension rods 34 extending downward, and the lower end of the suspension rods 34 The square frame 35 that is stopped across and the pair of left and right sides that are stopped across the front and rear frame members of the square frame 35 are It consists of a reinforcing member 36.

[0009] The hoisting device 21 is a chain hoist, and is connected to the main load bar 32 in the front and back direction. Two reversible motors 40, front and rear, installed at a distance and in different left and right directions. Two pieces are attached to the winding drum 41 and the right reinforcing member 36 at intervals in the front and back direction. The two center guide rollers 42 on the front and rear sides and the left frame member of the rectangular frame 35 are attached. The front and rear left guide rollers 43 attached to the front and rear left guide rollers 43 and the front From the rear right guide roller 44 and the front and rear winding drums 41 to the front and rear center guide rollers. 42 and the left guide roller 43, and is wrapped around the left edge of the square frame 35 near both front and rear ends. From the two left hanging cables 45 hanging down from the front and rear hoisting drums 41, It is wound around the guide roller 42 and the right guide roller 44 one after another and is wrapped around the right edge of the rectangular frame 35. It consists of two right hanging cables 46 hanging from near both rear ends.

0010 The container support frame 22 is stopped at the lower ends of the two hanging cables 45 and 46 on the left and right sides. A horizontal rectangular elevating plate 51 which is provided with The left and right V-shaped brackets 52 and the lower ends of these brackets 52 are arranged concentrically with each other. The left and right rotating shafts 53 provided in the The rotating frame 54 and the chuck 55 provided on the rotating frame 54 are Rinaru. A container T is removably chucked in the chuck 55. con The tena T has a substantially elliptical cross section (see FIG. 4).

[0011] A container rotation motor 61 is installed on the right edge of the upper surface of the lifting plate 51, facing right, and its output A drive pulley 62 is attached to the shaft. On the other hand, a driven pulley 63 is attached to the right rotation shaft 53. installed. Then, the belt 64 is wrapped around the driving pulley 62 and the driven pulley 63. It is being

0012 When the carrier 19 is conveyed above the electrodeposition bath 11, the carrier 19 is stopped there. Then, operate the front and rear hoisting drums 41 at the same time to rewind the left and right hanging cables 45 and 46. . Then, the container support frame 22 starts to descend together with the container T, and eventually When a part of the container T is immersed in the processing liquid in the electrodeposition bath, the hoisting drum 41 is stopped. to stop the container support frame 22 from lowering.

[0013] In this state, while rotating the container T, remove the lower end of the outer surface of the container T. The container T is raised and lowered so that the bell remains constant, and as a result, the entire container T are sequentially immersed in the treatment solution to a certain depth, and the entire outer surface of the container T is uniformly electrodeposited. be done.

[0014] Referring to FIG. 4, the maximum distance from the rotation center C of the container T to the outer surface is L1, Assuming that the same minimum distance is L2, the vertical stroke S of the container T during electrodeposition processing is: It is obtained by subtracting L2 from L1.

[0015] Referring to FIG. 5, the rotation and elevation of the container T during the electrodeposition process are controlled as follows. be controlled. The rotation angle of the container rotation motor 61 is detected by the encoder 71, This detection signal is input to converter 72. The converter 72 has the shape of the container T (the most (Large distance L1, minimum distance L2, etc.) It has a table that shows the relationship between Corresponding data is read, and a signal corresponding to the read data is output. on the other hand , the rotation angle of the hoist motor 40 is detected by the encoder 73, and this detection signal is It is input to the controller 74. And the signal from converter 72 and the signal from encoder 73 The controller 74 controls the hoist motor 40 based on.

[0016]

[Effect of the idea]

According to this invention, when the carrier reaches the upper part of the electrodeposition bath, a part of the container becomes electrodeposited. Lower the hoisting device so that the container support frame is immersed in the processing liquid in the tank. Lower the container, and while rotating the container with the rotating means, The control means controls the hoisting and lowering of the hoisting device so that the end level remains constant. , the entire outer surface of the container can be sequentially immersed in the processing liquid to a fixed depth, making it possible to The outer surface of the antenna can be uniformly electrodeposited.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing a trolley conveyor together with an electrodeposition tank.

FIG. 2 is a front view showing the trolley conveyor together with the electrodeposition bath.

FIG. 3 is a side view showing the trolley conveyor together with the electrodeposition tank.

FIG. 4 is an explanatory diagram showing a state of electrodeposition processing.

FIG. 5 is a block diagram of control means for rotating and raising/lowering the container.

[Explanation of symbols]

11 Electroplating bath 19 carrier 21 Hoisting device 22 Container support frame 53 Rotation axis 54 rotating frame 61 motor 62 Drive pulley 63 Driven pulley 64 belt T container

──────────────────────────────────────────────── ─── Continued from front page (51) Int.Cl. ⁵ Identification code Internal reference number FI Technical display location B66C 17/04 8611-3F

Claims (1)

[Scope of utility model registration request] [Claim 1] A hoisting device 21 installed on a carrier 19 that moves above the electrodeposition bath 11, a container support frame 22 suspended from the carrier 19 by the hoisting device 21, and a container support frame. 22, a support means for rotatably supporting the container T around a horizontal axis, and a rotation means for rotating the container T supported by the support means;
A trolley conveyor for container electrodeposition coating, comprising: control means for controlling hoisting and lowering of a hoisting device 21 so that the lower end level of the outer surface of the container T rotated by the rotating means is constant.