JPS62163854A - Hanging carrying facility - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention is used, for example, to support and transport vehicle bodies in a vehicle assembly plant, or to support and transport workpieces in various factories. This invention relates to hanging conveyance equipment that can change the direction of conveyed objects.

2. Prior Art Conventionally, as a hanger device of this type, for example,
As seen in Publication No. 38393, a hanger is attached to a movable frame attached to a trolley so as to be rotatable around an axis along a conveyance route, and a rotating means is placed at a predetermined location on the conveyance route. A structure is provided in which the orientation of the transported object is changed by rotating the movable frame body using the rotating means.

Problems to be Solved by the Invention According to the conventional type as described above, each movable frame (trolley)
It is necessary to use a #l structure that allows the hanger to rotate and a stopper structure that prevents the hanger from rotating, and since a large number of movable frames are used in one line, the entire equipment becomes expensive.

An object of the present invention is to provide an R-lowering conveyance facility that can change the orientation of a conveyed object without using a rotation structure in the hanger device.

Means for Solving the Problems In order to solve the problems mentioned above, the hanging conveyance system of the present invention is provided.
A movable body that is guided by rails and can move freely on a fixed path is provided, a hanger device that supports both sides of the bottom surface of the transported object is provided on the movable body, and the hanger device has a pair of left and right hanger parts, Each hanger consists of a vertical rod, a horizontal rod that is connected along a certain path from the lower end of this vertical rod, and a support that is attached to the horizontal rod and is attached to the horizontal rod at a predetermined location along the certain path. On one side, a hanger positioning device that can be freely engaged and detached from the horizontal rod is provided, and on the other side, a conveyed object lifting station having a lifting platform that can be elastically aligned is provided.

According to the configuration of the present invention, the hanger device can be positioned by stopping the movable body at a predetermined location on a fixed path, and then activating the hanger positioning device to engage the horizontal rod of the one side hanger portion. .

In this state, by operating the conveyed object lifting device and raising the lifting platform, this lifting platform comes into contact with the lower surface of the other side of the conveyed object and lifts it. While supported by the support of the side hanger part, the other side moves upward "i1-", resulting in a tilted direction change posture.At this time, the elastically aligned lifting platform moves against the elasticity. Therefore, there is no direct contact between the lifting platform and the object being carried.

Example Hereinafter, one embodiment of the present invention will be described based on the drawings.

Reference numeral 1 designates a hanging conveyance device, which includes a trolley guide rail 2, a trolley drive device rail 3 installed above the trolley guide rail 2, and a trolley guide rail 2 that can be guided by the trolley guide rail 2 and move freely along a fixed path (All). Loli g position (an example of a moving object) 4 and this place Q
The hanger device ff5 attached to the IJ device 4 and the above-mentioned 1-
Trolley drive device guided by rail 3 for trolley drive e-device (
Chen Kongbe) 7, etc.) 6. The trolley device 4 connects the front trolley 7, a pair of front and rear free trolleys 8 and 9, a rear trolley 10, between the front trolley 7 and the free trolley 8, and between the free trolley 9 and the rear trolley 10. a connecting rod ii, 12;
Trunnion bin 1 connected from both free trolleys 8.9
and a connecting frame 15 that connects 3 and 14.

Each said trolley 7.8.9.10 has a guiding wheel 16.
and a wheel 17 for preventing swinging.

The front door 0s 7 is connected to the trolley drive device 6.
Passive dog 19 that can be freely engaged and detached from the drive protrusion 18 from
It has a horizontal axis 20 which can be raised and lowered freely, and the horizontal axis 20 is located in the middle.
An operating lever 21, which is attached so as to be able to swing up and down, is extended forward and removed through the opening. The rear end of the operating lever 21 and the lower end of the passive dog 19 are connected via a pin 22. Therefore, the operating lever 21 and the passive dog 19 are interlocked so that when the operating lever 21 moves upward, the passive dog 19 descends. Normally, the passive dog 19 is raised by weight biasing on the distal end side of the operating lever 21, and its upper limit is regulated by the proximal end of the operating lever 21 coming into contact with a stopper. The front trolley 7 has a contact member 2 located below the operating lever 21.
3, and a hold dog 24 located at the rear of the passive dog 19 at the rear of the upper end.

This hold dog 24 is configured to be able to swing freely, and is normally biased by a weight so that its upper end enters the movement path of the drive projection 18. The other trolley 10 has a cam tail 2 that moves the operating lever 21 upward.
5 extends rearward, and a contact portion 26 is formed at the lower part of the cam tail 25 to which the contact member 24 can freely contact.

The hanger device 5 includes a pair of left and right hanger portions 30A.

30B, and these hanger parts 30A, 30B are attached to upper horizontal bars 31A, 3L3 which are rotatably attached to the frame 15 around the longitudinal axis (B), and the front of these upper horizontal bars 31A, 31B. Vertical rod 32 connected downward from the section
A, 32B, and a lower horizontal rod 3 that is connected from the lower ends of these vertical rods 32A, 32B along upper horizontal rods 31A, 313.
3A.

333, upward supports 35A and 353 attached to the inner surfaces of these lower horizontal bars 33A and 33B via brackets 34A and 34B, and both hanger parts 3QA and 303.
guide rollers 36A, 36B attached to the upper horizontal bars 31A, 313 in order to swing and maintain the swing, and anti-sway rollers 37A, 3 attached to the connection frame 15 side.
It consists of 7F3. In addition, each roller 36A, 363, 37A,
Guide rails 38A, 38B, which act on 373
39A and 39B are provided.

Reference numeral 27 denotes the body of an automobile, which is an example of an object to be transported.Both sides of the bottom surface of the body are supported by supports 35A and 35B, and the object is transported.

In the suspension conveyance device 1 having such a structure, the trolley device 4 is normally moved by the drive protrusion 18 engaging with the passive dog 19. At this time, the front end of the operating lever 21 is moving downward. Trolley installation r while driving like this! When the 14 side tries to run out of control, the hold dog 24 comes into contact with the drive protrusion 18, so the V
The run is blocked.

On one side of a predetermined location in the fixed path (A>, there is a hanger positioning device 45 that can be freely engaged and detached from the lower horizontal rod 33A in the negative side hanger portion 3OA, and a hanger positioning device 45 that acts from below on the free rear end of the lower horizontal rod 33A. The hanger positioning device 45 is provided with a machine frame 48 attached to the floor 47 side, and a fixed path (A> direction The rotating shaft 50 of
The hook lever 51 attached to the
and a cylinder assembly @52 provided between the machine frame 48 and the machine frame 48. A deflection prevention device 46 disposed below the hanger positioning device 45 includes a machine frame 53 attached to the floor 47 side and a lifting platform 55 supported and guided by the i-frame 53 via a plurality of rollers 54. , an abutting member 56 attached to the upper part of the lifting table 55 , and a cylinder device 57 provided between the lifting table 55 and the machine frame 53 . Further, on the other side of the predetermined location, a conveyed object lifting device 59 having an elastically adjustable lifting platform 58 and a stopper \i [60] are provided.

The conveyed object lifting device 59 is disposed slightly above the position facing the hanger positioning device 45, and is placed on the floor 5.
The machine frame 61 attached to the 7 side and the cylinder body 62 attached to this machine frame 61 side.
It consists of a lifting table 64 guided via a guide rod 63 and a cylinder device 65 provided between the lifting table 64 and the machine frame 61.
The lifting platform 58 is disposed via 6. The elastic centering device W166 is attached to a bracket 6 mounted on the lifting platform 64.
7, a pin 68 in the constant path (A) direction supported by this bracket 67, and a single movement plate 6 supported by this pin 68.
9, a spring 10 that urges the rocking plate 69 to move upward on its inner side, a stopper 71 that restricts the horizontality of the rocking plate 69 that moves upward by the force of the spring 70, and a stopper 71 on the rocking plate 69. It is constructed of an elastic centering tool 72 that is attached to the lifting table 58 and slidably guides the lifting table 58 in the inward and outward directions, and maintains the neutral position by a built-in spring when no load is applied. The stopper device w160 is disposed slightly below the position facing the deflection prevention device 46, and is connected to a machine frame 73 attached to the floor 57 side and a telescopic rod 74 attached to this I frame 73.
The receiver attached to the upper end of the telescopic rod 74 is composed of a plate 75 and a cylinder device 76 provided between the upper end of the telescopic rod 74 and the machine frame 73.

The trolley device 6 that has traveled on a certain path (A>) becomes non-passive by the action of the passive dog 19 on the stopper device 77 provided at a predetermined location, and is stopped at this location.In this stopped state, first, Hanger positioning device @4
5 is activated. That is, the hook lever 51 is rotated by the operation of the cylinder device 52, and the lower horizontal rod 33A on the negative side is rotated.
engages in the process, and thereby decides on the purchase price. Next, the cylinder device 57 of the deflection prevention device 46 is actuated to raise the abutting member 56 via the lifting table 55, and bring the abutting member 56 into contact with the free rear end of the lower cross member 33A from below. In this state, the conveyed object lifting device 59 and the stopper device 0 are operated. That is, when the cylinder device e165 is actuated to raise the lifting table 65, the lifting table 58 first lifts the body 2.
7 on the lower surface of the other side of the body 2.
7 will be lifted up on the other side. At this time, since one side of the body 27 remains supported by the supporter 35A of the hanger portion 30A, the body 27 is tilted around the supported portion on the one side by lifting the other side. At this time, in response to the inclination of the lower surface of the body 27, the swing plate 69 swings around the pin 68 against the spring 70.
6 can follow the inclination of the body 27 and maintain the contact state. In addition, the deviation of the support position in the body width direction due to the linear movement of the lifting table 64 is absorbed by the lifting table 58 sliding against the lifting table 64 against the elasticity of the elastic centering tool 72. obtain. Due to the above action, the direction of the body 27 can be changed as shown by the solid line in FIG.
For example, various operations are performed from the bottom side.

In addition, the stopper device 60 is used together with the conveyed object lifting device 59.
When the cylinder assembly @76 is operated, the plate 75 is raised, but at its upper limit, it is located near the lower surface of the body 27, as shown in FIG. 2, and does not come into contact with this lower surface. However, when the rear part of the other side of the body 27 comes to descend for some reason, the plate 75 receives the rear part of the other side and prevents further descent. After the intended work has been carried out, the body 27 can be supported again between the two hanger parts 3OA and 303 by operating in the opposite direction to that described above, and then transported together with the trolley device 4 to the next process.

In the above embodiment, the trolley device 4 receiving power from the trolley drive vJ device 6 is shown as the moving body, but this may be a self-propelled moving body.

Effects of the Invention According to the present invention having the above configuration, the moving body is stopped at a predetermined place on a fixed path, and the hanger positioning device is activated to engage the horizontal rod of the one side hanger, thereby positioning the hanger device. can be done. In this state, the device for lifting the transported object is activated to raise the lifting platform and bring it into contact with the lower surface of the other side of the transported object, thereby lifting the other side of the transported object. The conveyed object can be raised in a state where the negative side is supported by the support of the hanger part on one side, and the other side can be raised to an inclined orientation. At this time, since the elastically aligned lifting table moves against elasticity, no sliding contact occurs between the lifting table and the surface to be lifted of the object to be transported, and Ill on the surface to be lifted can be prevented.

As described above, according to the present invention, it is possible to change the direction of the transported object without using a rotary structure for the hanger device.
The entire equipment can be provided at low cost.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, the first being a side view and the second being a side view.
The figure is a rear view. 1...Hanging transportation'! Alt, 2...Trolley guide rail, 4...Trolley device moving body), 5...Hanger device, 15...Connection frame, 30A, 30B.
...Hanger part, 31A. 313...Lower horizontal bar, 32A, 32B...Vertical bar,
33A, 33B... lower horizontal rod, 35A, 35B...
- Support tool, 45...hanger positioning device, 46...
Deflection prevention device, 51... Hook lever, 56...
Contact member, 58... Lifting table, 59... Transported object lifting device, 60... Stopper device, 66... Elastic centering device, 69... Rocking plate, 72... Elasticity Aligning tool, 7
5... Uke is a board, (A)... - Ashigaruji agent Yoshihiro Morimoto Figure 2

Claims (1)

[Claims] 1. A moving body that is guided by rails and can move freely on a fixed path is provided, and a hanger device that supports both sides of the bottom surface of the transported object is provided on this moving body, and this hanger device has a pair of left and right hanger parts. Each hanger section is composed of a vertical rod, a horizontal rod connected along a fixed path from the lower end of the vertical rod, and an upward support attached to the horizontal rod. A suspended conveyance facility, characterized in that a hanger positioning device that can be freely engaged and detached from the horizontal rod is provided on one side, and a conveyed object lifting device that has a lifting platform that can be elastically aligned is provided on the other side.