JPS5997546A - Mechanism for lining up suspender in apparatus for automatically suspending glass plate - Google Patents

Abstract

PURPOSE:To line up automatically suspenders and to hold surely a glass plate by performing the grasping and releasing of the upper and lower arms of the suspenders and the opening and closing of the suspenders by means of clamps which move in synchronism with the forward and backward movements of push rods and the upward and downward movement of one of the rods. CONSTITUTION:A mechanism for lining up suspenders 60 is installed in a cam box 17, and a mechanism 68 for supporting the suspenders 60, a mechanism 69 for opening and closing the suspenders 60 and a mechanism 70 for adjusting the positioning of the suspenders 60 are vertically arranged from the top behind the box 17 to construct a positioning mechanism 20. The 1st push rod 72 and the 2nd push rod 80 are worked by means of plural cams having different shapes attached to a rotating shaft 66 in the box 17. By moving the rod 72 forward or backward, the 1st clamp arm 73 attached to the rod 72 grasps or releases the upper arms 60a, 60a of the suspenders 60. By moving the rod 80 forward or backward, clamps 85, 85 grasp or release the lower arms 60b, 60b of the suspenders 60. The suspenders 60 are opened or closed by moving the rod 80 upward or downward.

Description

Detailed Description of the Invention The present invention is an automatic lid that automatically suspends and supports glass plates.
This invention relates to an alignment mechanism for hanging tools in a built-in hanging device.

Generally, when bending a glass plate, the glass plate is transported into a heating furnace with its upper end fully held by an AI lower tool, heated in a groove near the glass plate's total softening point, and then press-formed. In this case, it is necessary to hold the top edge of the glass plate at multiple locations with multiple hanging tools, but in order to hold the glass plate, the hanging tools are coated with a paste that is applied to the glass plate surface to prevent it from burning and to prevent it from slipping. All parts of the material must be securely held and all suspensions must be aligned along the top edge of the glass pane. In order to automatically align the Lr'J lower tool at a predetermined position, the mechanism becomes extremely complicated and the device becomes large.

In the past, the current situation was to rely exclusively on human labor, which was therefore inefficient.

The present invention has been made in order to improve the above-mentioned disadvantages of the conventional art, and when the upper end of a glass plate is held by a plurality of hanging tools, the hanging tools are automatically aligned in an orderly manner. It is an object of the present invention to provide an alignment mechanism for Ni lower fittings that can reliably hold the upper end in a predetermined position.

In order to achieve the above object, the alignment mechanism of the hanging tool according to the present invention consists of a pair of main arms and a lower arm. In an automatic lifting device in which the upper end of the glass plate is held by a jYA lower part that is pivotally mounted, the middle parts of the lower arms are pivoted to cross each other, and the lower end of the lower arm is equipped with a tip for holding the glass plate, The gripping and releasing of the above part of the arm is performed by a first clamp that is linked with the forward and backward movement of the first bushing rod, and the gripping and release of the lower arm is performed by a second clamp that is linked with the bushing rod of the second bushing rod, Furthermore, the gist is that the second clamp opens and closes the n3 lower fitting as the second bushing rod moves up and down.

A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

Fig. 1 is an overall side view of the automatic lifting device, Fig. 2 is a front view of the same, Fig. 3 is an enlarged side view of the main parts of the trolley, Fig. 4 is a vertical side view of the coating device, and Fig. 5 is a suspension A cutaway side view of the tool alignment mechanism,
6 is a plan view of the same, FIG. 7 is a sectional view taken along the line 7-7 in FIG. 5, and FIG. 8 is a sectional view taken along the line 8-8 in FIG.

A rectangular frame 3 as shown in FIG. 2 is vertically installed at one end of the base 2 of the automatic lifting device 1, and an inner frame 4, which is also rectangular, is attached to the inside of the frame 3, with two points at the upper end extending forward and backward. The lower end of the inner frame 4 is a piston rod 5a of an air cylinder unit 5 fixed to the lower surface of the base 2.
It is connected to the tip of the. Support portions 7U, 7U, 7B, 7B, 7L, and 7R each comprising support rollers 6 are provided on the lower left and right sides of the inner frame 4, respectively. 7U of these supports.

After 7U and 7R are set at a predetermined position, they remain stationary and function as stoppers, and the remaining support portion 7B.

7B and 7L are movable.

On the other hand, a trolley 8 for supporting and transporting a glass plate is placed on the base 2'2 so as to be movable back and forth (in the left-right direction in FIG. 1), and the trolley 8 is driven by a motor 9a. It will be done.

The cart 8 is provided with a glass plate positioning mechanism consisting of an upper attachment/detachment structure 9 and a lower support mechanism 10.

Further, a support 11 is erected at the rear of the frame 3 described in '19'j, a guide frame 12 is provided on the upper part of the support 11, and a plurality of guide bars 13...
・F i41 It is installed vertically so that it can move in the direction perpendicular to the page of the paper. Each guide bar 13 has a kite bush 1.
4. A sliding member 15 is attached via an arm 16 so as to be movable up and down along the guide bar 13, and a cam box 17 is attached to the rear of the sliding member 15 (left side in FIG. 1) via an arm 16.
A coating device 19 is provided in front of the sliding member 15 via an arm 18. That is, the cam box 17
A plurality of coating devices 19 are disposed in the direction perpendicular to the plane of the paper in FIG.

A positioning mechanism 20ffi for aligning the hanging tools 60 is provided to protrude rearward from the cam box 17.

Further, at the rear of the hanging tool 60, a control device is provided with a lever 104 that swings downward by a predetermined angle by a pulse motor, and a rotatable positioning member 105 attached to the tip of the swinging lever 104. A mechanism 110 is provided.

Next, details of each of the above-mentioned members will be described. First, the structure of the positioning mechanism provided on the truck 8 will be explained based on FIG. It is set up. A piston rod 22b extending upward from the cylinder 22a of the cylinder unit 22 slidably passes through the support arm 23, and its upper end
It is fixed to a support arm 24 located above and parallel to this. A stopper 22c is integrally formed in the intermediate portion of the piston rod 22b.

Further, the base 21 supports rod members 26 and 26 which are slidably fitted into the guide bushes 25 and 25, and each wax rod member 26 is connected to the support arm via the guide bush 27. 23 is completely slidably penetrated through the support arm 24, the upper end of which is fixed to the support arm 24, and the lower end of this is provided with a stopper portion irt which is to come into contact with the lower surface of the guide bush 25.
26a is fixed.

By the way, a pair of arm members 28, 28 are pivotally attached to the end of the support arm 23 located at the lower side so that the intermediate portion thereof can be opened and closed, and these arm parts 4'=I'28.2
8 is rotatably supported around a pivot point. A grip portion 28a128a is provided at the lower end of the arm members 28, 28 so as to face each other inwardly.
A tapered engagement groove 28b having a tapered shape 9 is formed in the lower end of both arm members 28.28.

Further, the arm portions +, 11-28, and 2'8 are urged in the opening direction by a spring 29 compressed between them.

Further, a wedge-shaped claw body 30 is fixed to the end of the other support arm 24 located above the support arm 23 at right angles thereto.

On the other hand, in the support mechanism 1o, an air cylinder unit 33 is vertically fixed to the pedestal 31 via a bracket 32, and the lower end of a glass plate is attached to the upper end of a piston rod 33b extending upward from the cylinder 33a of the unit 33. A support 35 comprising a support piece 34 whose entire edge is to be supported is fixed.

A suction plate 36 that slides on the end face of the electromagnet M fixed to the pedestal 31 is fixed to the side of the support 35.

Further, a support stand 37 is provided on the side of the pedestal 31, and a pulse motor 38 is fixed to this support stand 31.
A cam 39 is fully fitted onto the shaft of the carriage 8, and by driving a motor 38, the entire carriage 8 is moved up and down. By doing this, the glass plate W held on the trolley 8 is
0, so that the glass plate W is held by the tool 60 (11).

Next, the configuration of the coating device 19 will be explained based on FIG.
A guide bar 41.41 is installed below the "0". Also, a bushing rod 42 is attached to the base 40 as a guide member 43.
A cam follower 44 is rotatably supported on the upper part 1 of the bunyu rod 42.

On the other hand, above the base 40, as shown in the figure, a rotating shaft 45 is rotatably supported by bearings 46, 46.
One end of 5 is connected to a motor (not shown), and a cam plate 47 is fixed to the other end so as to rotate together. The bushing rod 42 is always urged upward by a spring 48, so that the cam follower 44 fixed to the upper end of the bushing rod 42 contacts the cam plate 47 downwardly.

By the way, the guide bars 41 . Between 41 and 41, a guide bush 49...a full-valve sliding part '50.50 is installed so that it can slide freely in the horizontal direction, and a bracket facing inward is installed on the upper part of both members 50.50. ) 51.51 are provided protrudingly. Both brackets 51, 51 and the lower end of the bushing rod 42 are pivotally connected to each other by link members 52, 52 which form a square shape on the side.

Further, a support member 53.5 is provided inwardly of the sliding members 50, 50.
3 is supported by bolts 54, 54 and the bracket 51, 51 so as to be able to slide in the left and right directions in the figure, and these supporting members 53, 53 are supported by springs 55° compressed around the outer periphery of the bolts 54, 54. It is biased inwardly at 55. Further, at the lower ends of both supporting portions 53, 53, coating chips 56, 56, which flow out from the tip of a paste-like material in which magnesium carbonate or the like is dispersed, are fixedly supported. Note that these chips 56, 56 are connected to a paste material supply device (not shown) via pipes 571, 57.

On the other hand, inside the Mij cam box 17, there are
A mechanism for aligning 11 locating tools 60 as shown in the figure is built-in. As described above, a plurality of cam boxes 17 are arranged in the direction perpendicular to the paper surface of FIG. The rotary shaft 61 is rotatably and vertically supported through the shaft.
-Protrudes upward through all pages of the box 17 and is connected to the output shaft 63a of the motor 63 with a coupling 64;
A worm gear 65 is fitted into the lower end.

Another rotary shaft 66 is rotatably supported in the cam box 17 so as to be orthogonal to the rotary shaft 61, and the rotary shaft 66 has a D′+1 rotary shaft that fits into the rotary shaft 61 ( −
A worm wheel 67 that fits with the worm gear 65 is fitted so that the rotating shaft 66 rotates integrally with the rotating shaft 61. A plurality of cams 66a having different shapes are fitted onto the rotating shaft 66 as shown by imaginary lines.

Incidentally, a support mechanism 68, an opening/closing mechanism 69, and a positioning adjustment mechanism 70 for the hanging tools 60 are provided from above on the rear outside of the cam box 17, and these mechanisms allow the positioning mechanism 20 to be configured. ing.

The support mechanism 68 is composed of a horizontally protruding rod 71 as shown in the figure, and a first bushing rod 72 slidably provided on one side of the round door 1 and in parallel thereto. One end of a first clamp arm 73 having an abbreviated shape is pivotally connected to one end of the bushing rod 72, and the intermediate portion of this clamp arm 73 is pivotally connected to one end of the rod 71 as shown in the figure. A rod end 74 provided with a groove 74a' opening downward is fixed to the other end of the rod end 72, and a groove 74aK of the rod end 74 is fixed to the other end of the rod end 74.
The upper end of a link arm 75 whose lower end is pivotably connected to the lower end of the cam box 17 is engaged via a roller 76. The link arm 75 is brought into abutment engagement with one of the plurality of cams 66a described above by a spring 77 via a cam follower (not shown).

In the opening/closing mechanism 69, a slider 78 is urged downward by a spring 79 and is configured to be slidable downward.A second bushing rod 8o is slidably attached to the slider 78. As shown in FIG. 7, there is a wedge-shaped claw body 8 at one end of this bushing rod 8o.
is fixed to the other end, and the upper end of a link arm 82 whose lower end 1' is swingably pivoted to the lower end of the cam box 17 is in abutment engagement with the entire roller 83 interposed therebetween. The bushing rod 80 is biased to the right in FIG. 5 by a spring 84, and the link arm 82 is connected to one of the plurality of cams 66a through a cam follower (not shown).
It abuts and engages two cams.

As shown in FIG. 7, a pair of second clamps 85, 85 are pivotally mounted in front of the push rod 8o so as to be openable and closable.
6 in the opening direction.

On the other hand, an elongated engagement groove 78 is formed on the side surface of the slider 78.
A is formed in the engaging groove 78aK, and the other end of a swinging arm 87, one end of which is swingably pivoted to the upper side of the cam box 17, is engaged via a roller pin 88. The intermediate portion of the swinging arm 87 has an upper end pivotally connected to a bushing rod 89 whose lower end abuts and engages one of the plurality of cams 66a.

Furthermore, in the positioning adjustment mechanism 70, a slider 90 is urged downward by a spring 9.1.91 and is configured to be slidable downward.
An elongated engagement groove 90a is formed in the l11 surface, and one end of the engagement groove 90a is attached to the roller pin 92, and the other end of the swing arm 92 is pivotally attached to the cam box 17 (1111 part). 93. Then, the swing arm 9
The middle part of
... is engaged with one of the...

A push rod 95 is slidably inserted into the slider 9o, and the push rod 95 is biased to the right in FIG. A link arm 9 whose lower end is pivoted to the lower end of the cam box 17 is provided at the other end.
The upper end of the link arm 98 is engaged with the entire roller 99, and the middle Uη portion of the link arm 98 is engaged with one of the cams 65a...0 through the entire cam follower 100.

Next, the operation of suspending a glass plate using the above-described loading device 1 will be described.

First, the cylinder unit 5 is driven and the inner frame 4 is
'' Rotate slightly counterclockwise around the center of the two end pivot points a and a to tilt them.

Next, if the glass plate W-i is placed on the supports 7B and 7B provided at the lower part of the inner frame 4, and then the movable supports 7B, 7B, and 7L are driven, the glass plate W becomes immovable as a stopper. Support part 7U.

The glass plate W is moved by the ox that comes into contact with 7U and 7R, and when the edge of the glass W comes into contact with these immovable support parts, all the support parts 7U, 7U, 7B, and 7B of the glass plate W are moved.

7L and 7R, it is fixed and set in a predetermined position with high accuracy.

After the glass plate Ww is fixedly set on the inner frame 4 in this manner, when the cylinder unit 5 is driven again to return the inner frame 4 to the vertical position, the glass plate W is also set vertically.

Thereafter, the cart 8 is moved forward and brought close to the rear of the glass plate W, and the attachment/detachment mechanism 9 provided on the cart 8 is driven so that the upper edge of the glass plate W is completely covered with the glass plate Wt in the state of being supported by the inner frame 4. Grasp the lower edge of the glass plate W with the support mechanism 10 and move the glass plate~/'J onto the cart 8IIl.
11 also supports it. That is, the arm portion 4a28.28 is waiting in an open state on one side of the glass plate W, and if the cylinder unit 22 is driven from this state and its piston rod 22bk is moved downward, the arm portion 4J' is first opened.
28 and 28 are lowered until their gripping portions 28a and 28a are located on both sides of the upper end of the glass plate W. When the piston rod 22b' is further moved downward, the pawl body 30 moves downward and engages with the retaining groove 28'b, and the arm member 28.2El is closed. side 2
8. The gripping parts 28a and 28a of 28 are as shown in the figure.
Touch both sides of the W and hold the entire upper edge of the glass and W.

On the other hand, the air cylinder unit I.33 ffi is driven to move the support 35 upward, and after the support piece 34 provided thereon comes into contact with the lower edge of the glass plate W, the electromagnet M is activated to absorb the suction. If the 11th plate 36 is fixed by suction, the lower edge of the glass plate W is supported by the support 35.

After that, the support parts 7U, 7 provided on the inner frame 4 side
Unless all the supports U, 7B, 7B, 7L, and 7R are removed, the glass plate W is transferred from the inner frame 4 to the trolley 8 while maintaining its grooved state.

In this way, the glass plate W handed over to the cart 8 is lifted upwards, and the application device 19 waiting above applies a paste-like substance to predetermined locations on both sides of the glass plate W, and then the entire glass plate W is coated. lower it to its original position.

Incidentally, the application of the paste-like substance is performed as follows. That is, in FIG. 4, if the rotating shaft 45 is driven to rotate the cam plate 47 and the bushing rod 42 is moved completely downward via the cam leaf lower 44 that comes into contact with it, the link parts +J'52, 52 will be further It deforms into a sharp V shape, and this deformation 9 sliding part 50, 50 and support member 53,
53 (d The chips 56 and 56 that have moved inward and are supported by the support members 53 and 53 are r' on both sides of the glass plate W) -
is brought into contact with a predetermined location, and the venous substance flowing out from the tip 56, 56 adheres to the contact location. After that, the cam plate 47
When the bushing rod 42 is moved upward by driving, the chips 56, 56 are separated from the glass plate W, and the paste-like substance is surely applied to both sides of the glass plate W.

Then, in parallel with the above-mentioned coating operation, the hanging tools are aligned. As shown in FIG. 9, the shape of the hanging tool 60 includes a pair of upper arms 60a, 60a, a pair of lower arms 60b,
60b, the upper ends of the upper arms 60a, 60a are pivotally connected 60c to each other, and the upper arms 60a, 6Qa
The upper ends of lower arms 60b, 60b are pivotally connected to the lower ends of the lower arms 60b, 60b, and these lower arms 501), 60b are crossed at the middle part, and furthermore, the lower arms 60b, 60b are There is a pin on the bottom end of
a step 60e for grasping the entire upper end of the glass plate W toward the direction;
60 ets are included. Therefore, the lower part 60 of 11j has a substantially rectangular pantograph mechanism in two parts than the pivot point 60d, and when the entire suspension part 60 is contracted, the distance between the tips 60e and 60e becomes larger. When the 111 lower part 60 is fully extended, the balance 60
The distance between e and 60e becomes smaller, resulting in a closed state. And the chip 60e in this closed state.

In order to regulate the distance between the two lower arms 60e, a stopper 60f that comes into contact with the other lower arm 60b is attached to one of the lower arms 60b.

The alignment of the g'-shaped tools 60 having the shape shown in 1 is carried out as follows.

First, as shown in FIG. 5, move the first bushing rod 72 to the left and use the clamp arm 73 to lock the tool 60.
The position of the hanging tool 60 is fixed by supporting it slightly above the pivot point 60c at one end.

Next, the second bushing rod 80 of the opening/closing mechanism 69 is moved to the left in FIG. 5, and the second clamp 85°85 is closed from the open state shown by the chain line in FIG. Lower arm 60b, 60bf of preview 60
fi, then swing arm 8 with bush rod 89
7 to move the slider 78. As a result, only the lower arms 60b, 60b, whose upper ends are fixed, move, so as shown in FIG. 9, (1) the tool 60 opens, and Steps 60e and 60e are further opened. At this time, due to manufacturing errors of each device, the center line N' of the hanging tool 60 is slightly inclined with respect to the vertical line N, as shown in FIG. This will cause an error.

Therefore, the cam is then fully driven to move the bushing rod 95 forward to the left in FIG. By inserting and engaging the provided positioning claw 97 between both chips 60e and 606 of the entire hanging tool 60, and removing the entire flap by engaging the positioning claw 97, the hanging tool 6
0 is maintained vertically h'i as shown in FIG. 12, and the gap S between the chips 60e, 60e is also set to a predetermined value.

As shown in FIG. 13, the upper end of the glass plate W is interposed between the 11A lower fitting 60 that has been slightly adjusted in this way, and then the glass plate W and the 111 preview 60 are placed on the cam 3 of the truck 8 described above.
If the glass plate W is moved downward synchronously through the
As shown in Figure 4, ll-1 is lowered and secured by the 1-Tl lower shell 60.4. ``j will be done.

Thereafter, the glass plate W is carried into a heating furnace in a state in which it is lowered by 11, heated to near its softening point, and then bent by press forming or the like.

As described above, according to the present invention, the first bushing rod and the bushing rod 'fJ2 are actuated by different cams fitted to shafts installed in the cam box, and a
The second bushing rod is connected with a clamp that holds the hanging tool in place, and the second bushing rod is equipped with a clamp that grips the hanging tool and moves it up and down to open and close the hanging tool. i+'jl Since multiple 1〒1 previews are arranged in a predetermined position before being held down, the work time is greatly reduced compared to the conventional method of arranging them manually. It has many advantages, such as easy operation and stable work.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, and FIG. 1 is an overall side view of the automatic eyebrow-closing device, FIG. 2 is a front view of the same, FIG. The figure is a vertical side view of the coating device, Figure 5 is a cutaway side view of the alignment mechanism of the 171 lower tool, and Figure 6 is a side view of the alignment mechanism of the 171 lower tool.
7 is a sectional view taken along the line 7-7 in FIG. 5, FIG. 8 is a sectional view taken along the line 8-8 in FIG.
FIG. 3 is a side view of the hanging tool showing the entire lower tool row procedure. In the drawings, reference numeral 1 denotes an automatic latch-in device, 8 a cart, 17 a cam box, 19 a coating device, 60 a support mechanism for the rt1 lower tool 8, 69 an opening/closing mechanism, and 70 a positioning adjustment mechanism. Figure 4

Claims (2)

[Claims] (1) One end of each of a pair of lower arms is pivotally connected to the lower end of each of a pair of two-part arms, to which the upper peel 15 is pivotally connected to each other, at all predetermined locations on the upper end of the glass plate. 1. The arms are pivoted in a crosswise manner at the entire middle part, and each lower arm has a tip protruding inward at the lower end.
") In an alignment mechanism for a plurality of 111 previews installed in an automatic 111-containing device which is held by previewing and carried into a heating furnace or the like in this state, the alignment mechanism 1 is moved by the movement of the first bushing rod."1 4jl The lower arm of the tool is grasped and released by the first clamp that grips and releases the upper arm of the lower tool, and the second bushing rod advances and retreats. An r5+ tool alignment mechanism in an automatic glass plate 1'l'l insertion device comprising a second clamp for opening and closing a lower tool. (2) The glass according to claim 1, wherein the first bushing rod and the second bushing rod are sequentially driven by different cams mounted on a single shaft installed in a cam box. Alignment mechanism for 4il lower fittings in automatic board lifting equipment.