JPH031333Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field This invention relates to a conveyed object stopping device in a dual trolley conveyor.

PRIOR ART Various types of conveyed object stopping devices for dual trolley conveyors have been proposed, but none of the conventional devices are compact and therefore require a large installation space. It was hot.

Purpose of the invention The purpose of this invention is to solve the above problems, to be extremely compact and require less installation space.
Moreover, it is an object of the present invention to provide a device for stopping a transported object in a dual trolley conveyor, which can stop the transported object at an accurate position.

Structure of the invention In order to achieve the above object, this invention has a stopper on one side of a predetermined location of the conveyor line of the dual trolley conveyor to prevent the conveyed object from coasting at the tip, and A sliding body is disposed so as to move forward and backward in a right angle direction, and a pusher/dog engagement release member is disposed parallel to the sliding body and is configured to swing up and down as the sliding body advances and retreats. , the pusher dog moves with the drive chain, and the pusher dog moves with the drive chain.
A horizontal portion extending toward the dog disengagement member side is provided, and a pusher dog engaging pawl and a protrusion protruding toward the stopper side of the sliding body are provided on the free trolley of the conveyed object. When the stopper at the tip of the conveyor line is positioned on the line of movement of the projection, the pusher dog disengagement member is swung;
This is positioned on the line of movement of the horizontal part of the pusher dog, and after the pusher dog and the engaging pawl are disengaged by the pusher dog disengagement member, the protrusion comes into contact with the stopper.
The gist of this paper is a conveyed object stopping device for a dual trolley conveyor in which the conveyed object is stopped.

Embodiments and Operations Next, embodiments of this invention will be described based on the drawings.

In this specification, "front" refers to the conveying direction of the conveyor, "rear" refers to the opposite direction, and "left and right" refers to the front.

The embodiment shows a case where this invention is applied to a multiple trolley conveyor installed under the floor.

In the drawing, 1 is a conveyor line of a double trolley conveyor installed below the floor A, and this is a conveyor line of a double trolley conveyor installed below the floor A.
It has a rail 2 and a free rail 3. 4
is a drive chain 6 that is suspended from the power rail 2 via the power trolley 5;
A pusher dog is attached to the power trolley 5 at predetermined intervals in the length direction of the drive chain 4 so as to be able to swing up and down. The pusher dog 6 is provided with a hook-shaped engaging portion 8, and normally the pusher dog 6 is moved with the hook-shaped engaging portion 8 upward due to the gravity of the weight portion 7. The hook-shaped engaging portion 8 is provided with horizontal portions 9, 9 extending on both left and right sides, and upper convex portions 10, 10 are provided at the intermediate portion of the length of both the horizontal portions 9, 9. , 10, a recess 11 is formed between them.

Reference numeral 12 denotes an object to be transported installed on the free rail 3, which includes a frame-shaped mounting table 14 on which the transported object 13 such as an automobile is placed, a pair of intermediate free trolleys 15 supporting the mounting table 14, 16, and a pair of front and rear free trolleys 17, 18 arranged on the front and rear sides of these free trolleys 15, 16 and connected to both intermediate free trolleys 15, 16 by connecting rods 19, 19. It is equipped with The front free trolley 17 is provided with a hook-shaped pusher dog engaging pawl 20 and a rear engaging/disengaging prevention pawl 21 opposite thereto. protrusions 22, 2 protruding from
2 is provided. An accumulation cam 39 is attached to the lower end of the rear free trolley 18.

Reference numeral 23 denotes a conveyed object stopping device disposed on the left side of a predetermined position on the conveyor line 1, which has a conveyed object coasting prevention stopper 25 at the tip and extends in a direction perpendicular to the conveyor line 1. A sliding body 24 that advances and retreats, and a sliding body 24 that is parallel to the sliding body 24 and
The pusher dog disengagement member 26 is trapezoidal when viewed from the side and swings up and down as the pusher dog moves forward and backward. 27 is a support for the stop device 23, which is installed on the left side of the free rail 3. This support body 27 includes a fixed part 28 fixed to the left side of the free rail 3, an upper horizontal wall 29 extending to the left side, and a lower horizontal wall 30 parallel to this.
and a pair of front and rear vertical walls 31, 31 extending between the upper and lower horizontal walls 29, 30, and a pair of front and rear reinforcing walls 32 on the side surface of the fixed part 28 and the upper surface of the upper horizontal wall 29. , 32 are passed. A pair of upper guide rails 33, 33 are arranged at a predetermined distance from each other on the lower surface of the rear edge portion of the upper horizontal wall 29.
At the same time, a lower guide rail 34 is provided on the upper surface of the portion near the rear edge of the lower horizontal wall 30, and a slit 35 is provided along the front edge of this rail 34.
is bored in the lower horizontal wall 30. Sliding body 24
has a substantially rectangular plate shape, and a stopper 25 for preventing coasting of the conveyed object is integrally provided in an overhanging manner at the top end of the right side near the conveyor line 1, and a leg 36 is provided downwardly at the bottom end of the left side. A pair of left and right rollers 37, 37 are rotatably attached to the middle part of the height of the sliding body 24 by pivot shafts 38, 38, respectively. The upper edge of the sliding body 24 is connected to a pair of upper guide rails 3.
3 and 33 are fitted and guided, and the lower edge of the sliding body 24 is inserted into the slit 35 of the lower horizontal wall 30.
is inserted into the lower horizontal wall 30, and the leg portion 36 is made to protrude downward from the lower horizontal wall 30. In this state, the pair of rollers 3
7 and 37 are received by the lower guide rail 34, so that the sliding body 24 can move forward and backward in a direction perpendicular to the conveyor line 1. Reference numeral 40 designates an air cylinder for driving the sliding body, and the tip of a piston rod 41 of this air cylinder is connected to the lower end of the leg portion 36 of the sliding body 24 with a pin via a horizontal connecting member 42. The cylinder 40 includes a mounting bracket 43 fixed to the lower surface of the lower horizontal wall 30;
A pair of brackets 44, 44 attached to the cylinder 40 itself are coupled via a pin 45, so that the cylinder 40 is horizontally and swingably attached to the lower horizontal wall 30.

Reference numeral 46 denotes a bearing bracket provided in an upright manner on the upper surface of the lower horizontal wall 30, and a pair of front and rear swinging arms 48, 48 are attached to the upper end of this bracket via a pivot 47 so as to be able to swing up and down. 48,
The trapezoidal pusher dog engagement release member 26 is stopped at the left end of the conveyor line 48 near the conveyor line 1. 50 is both the front and rear swinging arms 48, 4
8, a cam floor is supported in a cantilever manner on the tip of an extension 48a that extends beyond the pivot 47 of the rear swing arm 48, and this cam floor is supported by a guide groove 51 of a predetermined shape provided in the sliding body 24. It is fitted inside.

In the above, when the conveyed object 12 is normally conveyed on the conveyor line 1, the piston rod 41 of the air cylinder 40 is projected, as shown by the two-dot chain line in FIG. The sliding body 24 is retracted to the left with respect to the conveyor line 1, so that the stopper 25 is deviated to the left from the line of movement of the protrusion 22 of the front free trolley 17, and the guide groove 51 of the sliding body 24 Since the cam floor 50 housed inside is pressed downward, the pusher at the tip of the swinging arms 48, 48
The dog disengagement member 26 is held in a raised state, and the disengagement member 26 is disengaged above the line of movement of the left horizontal portion 9 of the pusher dog 6.

Next, in order to stop the conveyed object 12, the piston rod 41 of the air cylinder 40 can be retracted. As a result, the sliding body 24 moves closer to the conveyor line 1, as shown by the solid line in FIG.
5 is positioned on the line of movement of the protrusion 22 of the front free trolley 17, and at the same time the cam floor 50 in the guide groove 51 of the sliding body 24 is lifted, so that the swinging arms 48, 48 swing downward. Then, the pusher dog engagement release member 26 at the tip of these
is positioned on the line of movement of the left horizontal portion 9 of the pusher dog 6. In this state, when the conveyed object 12 towed by the pusher dog 6 approaches, the left horizontal portion 9 of the pusher dog 6 moves forward and downward of the pusher dog disengagement member 26, which has a trapezoidal shape when viewed from the side. Rear slope 2
6a and is pushed downward as shown in FIG. 4, this causes the pusher dog 6 to swing, and when this left horizontal portion 9 reaches the lower horizontal surface 26b from the rear inclined surface 26a of the disengagement member 26, The hook-shaped engagement part 8 of the pusher dog 6 and the front free
The trolley is disengaged from the hook-shaped pusher dog engaging pawl 20 (FIG. 5), so that the conveyed object 12 becomes, so to speak, in a free state. Thereafter, the conveyed object 12 tries to move forward due to inertia, but the protrusion 22 of the front free trolley 17 hits the stopper 25, thereby preventing the conveyed object 12 from coasting.
The conveyed object 12 stops at that location (FIG. 6).
Pusher dog 6 disengaged from engagement claw 20
is further advanced by the drive of the drive chain 4, and its left horizontal portion 9 rises forward from the lower horizontal portion 26b of the engagement release member 26 along the upwardly facing front inclined surface 26c. 6 returns to the standing position again.

In the above embodiment, the conveyed object stopping device is placed on the left side of the conveyor line 1, but it may of course be placed on the right side. Further, although a guide groove 51 and a cam floor 50 are shown as means for vertically swinging the pusher dog engagement release member 26 as the sliding body 24 moves forward and backward, these are other means. Of course it's good too.

Furthermore, in the above embodiment, a case was shown in which the conveyed object stopping device according to this invention is applied to an under-floor type multiple trolley conveyor, but if the vertical arrangement is reversed, this invention can be applied to a so-called ceiling type multiple type trolley conveyor. It can be similarly applied to conveyors.

Effects of the invention As described above, this invention has a stopper 25 for preventing coasting of conveyed objects at the tip on one side of a predetermined location of the conveyor line 1 of the dual trolley conveyor, and is perpendicular to the conveyor line 1. A sliding body 24 is arranged to move forward and backward in the direction, and
A pusher dog disengagement member 26 is disposed parallel to the slider 24 and is configured to swing up and down as the slider 24 advances and retreats. A horizontal portion 9 extending toward the pusher dog engagement release member 26 side is provided, and a pusher dog engagement claw 20 and a protrusion 22 protruding toward the stopper 25 side of the sliding body 24 are provided on the free trolley 17 of the conveyed object 12.
is provided, and when the slide body 24 advances toward the conveyor line 1 and the stopper 25 at the tip thereof is positioned on the line of movement of the projection 22, the pusher dog engagement release member 26 swings. The pusher dog 6 is moved so that it is positioned on the line of movement of the horizontal portion 9 of the pusher dog 6, and the pusher dog 6 is moved by the pusher dog disengagement member 26.
After the engagement claw 20 is disengaged, the protrusion 22 comes into contact with the stopper 25 to stop the conveyed object 12, and the sliding body 24 having the stopper 25 moves back and forth. Since the pusher dog disengagement member 26 is configured to swing in accordance with Since the conveyed object stopping device 23 can be accommodated within the total height of 3 and the width is narrow, the conveyed object stopping device 23
The installation space required is very small, and the conveyed object 12 can be stopped at an accurate position.

[Brief explanation of drawings]

The drawings show an embodiment of this invention, and FIG. 1 is a rear view of the conveyed object stopping device, also showing a part of the conveyor line. Figure 2 is a left side view of the stopping device, Figure 3 is a schematic left side view of the conveyor line, and Figures 4 to 6 are for sequentially explaining the operation of the conveyed object stopping device. It is an enlarged left side view of the main part of the conveyor line. DESCRIPTION OF SYMBOLS 1... Conveyor line, 2... Power rail, 3... Free rail, 5... Power trolley, 6... Pusher dog, 8... Hook-shaped engagement part, 9... Horizontal part, 12...Transferred object, 17...
Front free trolley, 18... Rear free trolley, 20... Pusher dog engagement claw, 22...
Projection, 23... Transported object stopping device, 24... Sliding body, 25... Transported object coasting prevention stopper, 26...
... Pusher dog engagement release member, 40 ... Air cylinder, 48 ... Swing arm, 50 ... Cam floor, 5 ... Guide groove.

Claims (1)

[Scope of utility model registration request] A sliding body 24 is provided on one side of a predetermined location of the conveyor line 1 of the dual trolley conveyor, and has a stopper 25 at its tip to prevent coasting of the conveyed object, and is configured to move forward and backward in a direction perpendicular to the conveyor line 1. is arranged, and a pusher dog disengagement member 26 is arranged parallel to the sliding body 24 and is configured to swing up and down as the sliding body 24 advances and retreats. - The dog 6 is provided with a horizontal portion 9 extending toward the pusher dog engagement release member 26 side, and the pusher dog engaging claw 20 and the stopper 25 of the sliding body 24 are provided on the free trolley 17 of the conveyed object 12.
When the slide body 24 advances toward the conveyor line 1 and the stopper 25 at the tip thereof is positioned on the line of movement of the protrusion 22, the pusher dog member The engagement release member 26 is swung to be positioned on the line of movement of the horizontal portion 9 of the pusher dog 6, and the pusher dog 6 is engaged with the engagement claw 20 by the pusher dog engagement release member 26. A conveyed object stopping device for a dual trolley conveyor, in which the conveyed object 12 is stopped by a projection 22 coming into contact with a stopper 25 after the conveyed object 12 is removed.