JP2007039110A - Glass carrying pallet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a glass carrying pallet capable of laminating a lot of glass substrates in multi-layer without becoming higher in the vertical direction, and stably holding the glass substrates without generating flaw on the glass substrate against impact or vibration from the outside. <P>SOLUTION: A pressure plate 19 is mounted to the top of a laminated glass body 30 wherein a plurality of glass substrates are loaded in multi-layers in the horizontal direction to the pallet 25. A connecting fixing tool 32 wherein one end of a pair of springs 9, 9 is mounted to the both ends is provided on the upper part of the pressure plate 2, and one end of belt-like traction bodies 40, 40 is respectively mounted to the other end of the pair of springs 9, 9, and the other end of the respective traction bodies 40, 40 is fixed to the pallet 25 in a freely detachable manner. A pressing force is applied to the pressure plate 2 by applying a tension to the pair of springs 9, 9, and a laminated glass body 30 is stably held on the pallet 25. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a glass transport pallet in which a plurality of thin and large glass substrates are stacked in multiple layers in the horizontal direction.

  Conventionally, in order to transport a large glass substrate for use in a liquid crystal substrate or the like, one transport tray is used for one glass substrate, and this transport tray includes a bottom plate, left and right side plates, and a rear plate. It is composed of a plate, and steps are formed on the upper surface side and the bottom surface side. By using these steps, the transfer trays are stacked in multiple stages in the vertical direction, thereby stacking glass substrates in multiple layers.

  A recess is formed on the bottom plate, which is a mounting portion for the glass substrate, and a cushion material for protecting the glass substrate is affixed to the upper surface of the recess, and the glass substrate is mounted on the upper surface of the recess in a state where the glass substrate is positioned in the front, rear, left and right directions. Can be placed. On the lower surface of the left and right sides of the bottom plate, a pressing member with a cushioning material stuck at the tip is provided to project downward, and this pressing member is placed on the upper surface of the glass substrate placed on the lower conveying tray when stacking the conveying tray. It is in contact. A slit is formed in the front and rear direction at a predetermined position of the dent, so that the support pawl of the forklift can enter from the front and can be inserted vertically, improving the efficiency of placing the glass substrate in the dent Yes.

  When the glass substrate is thus placed in the recess of the transfer tray and the transfer tray is stacked above it, the left and right sides of the glass substrate are brought into contact with the lower surface of the upper transfer tray pressing member. Even if vibration or impact occurs during the conveyance of the conveyance tray, it is convenient because vertical vibration of the glass substrate in the conveyance tray is prevented (for example, see Patent Document 1).

JP 2004-67249 A (paragraphs 0023 to 0029, FIGS. 1 and 3)

  However, in Patent Document 1, since one transport tray is used for one glass substrate, when more glass substrates are stacked in multiple layers, along with that, Since the transfer trays are also provided in multiple stages, a considerable height is generated in the vertical direction, and there is a limit to the number of glass substrates that can be transferred.

  The present invention has been made paying attention to such problems, and more glass substrates can be laminated in multiple layers without increasing in the vertical direction. It aims at providing the glass conveyance pallet which can hold | maintain stably, without producing a damage | wound.

In order to solve the above-mentioned problem, the glass transport pallet according to claim 1 of the present invention is a glass transport pallet in which a plurality of glass substrates are horizontally stacked on the pallet, and the uppermost A pressure plate is placed on the glass substrate, and a connecting fixture having one end of a pair of springs attached to both ends is provided on the top of the pressure plate, and a belt-like traction is provided on the other end of the pair of springs. One end of each body is attached, the other end of each pulling body is detachably fixed to the pallet, and a tension is applied to the pair of springs to apply a pressing force to the pressure plate.
According to this feature, since a plurality of glass substrates can be stacked in multiple layers in the horizontal direction, the stacked glass substrates can be mounted without excessively increasing the loading height in the vertical direction, and the connecting fixture By applying tension to the springs attached to the two parts and applying a pressing force to the pressure plate, uniform pressure is applied to the laminated glass substrates to hold the glass substrates securely and stably against the pallet. be able to. Even when an impact or vibration occurs during the conveyance of the glass conveyance pallet, the impact is absorbed by the elastic force of the pair of springs, so that the surface of the glass substrate is not damaged.

The glass transport pallet according to claim 2 of the present invention is the glass transport pallet according to claim 1, wherein the connection fixture is provided with an adjusting means capable of adjusting the tension of the spring. It is a feature.
According to this feature, the pulling force of the traction body can be adjusted by adjusting the tension of the spring with the adjusting means according to the thickness of the glass substrate laminated on the pallet. Fine adjustment of pressure is possible.

The glass transport pallet according to claim 3 of the present invention is the glass transport pallet according to claim 1 or 2, wherein the puller is provided with a connector whose length can be adjusted. Yes.
According to this feature, the length of the pulling body can be adjusted by the coupling tool according to the height of the glass substrate laminated on the pallet, and the tension of the spring can be adjusted by adjusting the length of the pulling body. It can be adjusted.

A glass transport pallet according to a fourth aspect of the present invention is the glass transport pallet according to any one of the first to third aspects, wherein a pair of both ends of the connecting fixture facing the tensioning direction of the spring. These slide rods are provided, and each slide rod is characterized in that both ends of the spring are slidably supported.
According to this feature, since the spring can be slid along the length of the slide bar, the expansion and contraction of the spring is always stably supported along the slide bar.

A glass transport pallet according to a fifth aspect of the present invention is the glass transport pallet according to the fourth aspect, wherein the slide bar is graduated.
According to this feature, since the extension of the spring can be easily measured by the scale of the slide bar, the tension of the spring can be appropriately adjusted while visually recognizing.

A glass transport pallet according to a sixth aspect of the present invention is the glass transport pallet according to any one of the first to fifth aspects, wherein a corner member that spans each of the traction bodies is provided at both end positions of the pressure plate. It is characterized by being provided.
According to this feature, since the traction body is stretched over the corner member, the traction force of the traction body can be concentrated on both corner members, and a pressing force can be applied to both ends of the pressure plate. It can be stably held on the pallet.

A glass conveyance pallet according to a seventh aspect of the present invention is the glass conveyance pallet according to any one of the second to sixth aspects, wherein the adjusting means is guided so as to be movable in a direction approaching or separating from each other. It consists of a pair of actuating rods, and one end of the spring is connected to the other end of the pair of working rods.
According to this feature, a pulling force is applied to the pulling body via the spring by moving the pair of operating rods in the direction of approaching each other, so the component force of the laminated glass substrate via the pressure plate The force is directed downward, and a uniform pressing force can be applied to the entire pressure plate with a simple configuration.

The glass transport pallet according to an eighth aspect of the present invention is the glass transport pallet according to the seventh aspect, wherein the pair of actuating bars are moved toward or away from each other by rotation of a screw bar. It is characterized by.
According to this feature, the pair of working bars can be moved simultaneously in the direction of approaching or separating by the rotation of the screw rods, so that the tension of the springs provided at both parts of the coupling fixture is increased or decreased. Can be adjusted at the same time, and the traction bodies attached to the respective springs can always be pulled with equal force.

A glass transport pallet according to a ninth aspect of the present invention is the glass transport pallet according to the seventh aspect, wherein an operating means for the pair of working bars is provided upright on the upper part of the connection fixture. It is characterized by having.
According to this feature, the pair of working bars can be easily operated from above the coupling fixture without being interfered by a pair of springs, a pair of actuating bars and the like provided on the upper portion of the pressure plate.

A glass transport pallet according to a tenth aspect of the present invention is the glass transport pallet according to any one of the first to ninth aspects, wherein the laminated glass substrate and the pressure plate are hermetically sealed from the outside. The cover body to be attached is detachably fixed.
According to this feature, by fixing the cover body to the pallet, the laminated glass substrate and the pressure plate are hermetically sealed from outside, so that there is no gap for moisture or dust to enter the glass transport pallet. The glass substrate can always be kept clean.

  Examples of the present invention will be described below.

  FIG. 1 is a perspective view showing an entire image of a glass transport pallet according to a first embodiment of the present invention, FIG. 2 is an exploded perspective view of the glass transport pallet, and FIG. FIG. 3B is a cross-sectional view showing a connected state of the pallet and the cover body, and FIG. 4A shows a structure of the connecting fixture. FIG. 4B is a perspective view showing the structure of the traction body, and FIG. 5A is a connection and fixing showing the state before the movement actuating rod starts moving by the turning operation of the screw rod. FIG. 5 (b) is a plan view of the connecting fixture showing a state after the movement of the moving actuating rod is completed by the turning operation of the screw rod, and FIG. 6 is a tightening operation of the towing body. 7 is a cross-sectional view of the glass transport pallet at the time, FIG. Is a plan view showing a holding state of the lath, FIG. 8 is a modification of the glass transport pallet, is a plan view with more coupling fixtures and towing body plate.

  As shown in FIG. 1 and FIG. 2, this glass transport pallet 1 is a thin and large glass substrate (thickness in this embodiment) particularly used for liquid crystal panels, PDP panels, inorganic and organic EL panels of displays, etc. 0.7mm, 1500cm in length x 1800cm in width) are used when transporting in multiple layers. Hereinafter, in the description of the present embodiment, the side of the glass transport pallet 1 placed obliquely shown in FIG. 1 as viewed from the front is the left side and the right side is the right and the side facing the left side. Is the front side, and the side facing the right side is the left side.

  The glass transport pallet 1 includes a metal hard and light pallet 25 that mainly supports a glass substrate, a metal hard and light cover body 15 that covers the upper part, and a laminate in which glass substrates are stacked in multiple layers. The pressure plate 2 is placed on the glass body 30. Two outer pieces 27, 27 and inner pieces 28, 28 each having a locking hole 28 a are provided with a predetermined separation width on the front, rear, left and right sides of the upper peripheral edge of the pallet 25. It is a guide piece that guides to the mounting position.

  A cylindrical bolt receiving member 29 is erected adjacent to each outer piece 27 so that the bolt 33 can be screwed together. A rectangular pressure plate 21 made of a plastic resin material is attached to the upper surface of the pallet 25 and is sized to be placed slightly inside the front, rear, left and right inner pieces 28. By providing a pair of synthetic panels 22 and 22 molded from a synthetic resin material having a high buffering property so as to cover the upper surface, a glass substrate described later can be safely placed.

  The pressure plate 21 has a plurality of holes penetrating up and down to form a lattice-like framework. Since the reinforcing material 21a is formed on the diagonal line in the top view, the strength is also maintained, which will be described later. The weight of the glass substrate can be distributed over the entire surface of the pallet 25, and the weight of the pressure plate 21 is reduced. Through holes 26 and 26 are formed in the side surface of the pallet 25 so as to penetrate the front, rear, left and right. For example, the glass conveyance pallet 1 can be conveyed by inserting and lifting nails into the through holes 26 and 26 by a forklift (not shown). It has become.

  As shown in FIG. 2, corner members 3 and 3 having a triangular cross section are provided at the left and right end positions of the upper portion of the pressure plate 2. A corner surface 3b is formed on the corner members 3 and 3, and a bar 3a is horizontally placed on the front and rear of the top. A connecting fixture 32 to be described later is fixed to the pressure plate 2 via rectangular box portions 4 and 4 at an intermediate position connecting the pair of left and right corner members 3 and 3 in a straight line. These box portions 4 and 4 are a part of the connecting fixture 32, and a slide bar 5 extending in the left-right direction from the box portions 4 and 4 extends linearly toward the left and right corner members 3 and 3. .

  As shown in FIG. 1, one end of each of the two springs 9, 9 is attached to both ends of the connection fixture 32, and a belt-like traction body 40 is attached to each other end of both springs 9, 9. , 40 are attached at one end. Further, the tow bodies 40, 40 are inserted between the corner surfaces 3 b, 3 b of the left and right corner members 3, 3 and the bars 3 a, 3 a, and the other ends of the tow bodies 40, 40 are the left and right inner pieces 28 of the pallet 25. , 28. That is, the laminated glass body 30 is pressed and held on the pallet 25 by the connecting fixture 32 provided at the upper part of the pressure plate 2, the pair of springs 9 and 9, and the pulling bodies 40 and 40.

  Next, as shown in FIGS. 3A and 3B, the fixing of the cover body 15 and the pallet 25 will be described. First, as shown in FIG. 3A, in the vicinity of the front, rear, left and right corners of the lower part of the outer peripheral surface of the cover body 15, two fixing brackets 23, 23 are provided with a predetermined separation width, respectively. Prior to fixing the body 15 to the pallet 25, a laminated glass body 30 in which glass substrates are laminated in multiple layers on the pressure plate 21 in advance via the synthetic panel 22 is placed, and each locking hole 28a of the inner piece 28 is placed. The locking piece 40a provided at the other end of the pulling body 40 is locked to the pallet 25 and the laminated glass body 30 is pressed and held on the pallet 25. Then, the outer peripheral bottom 15a of the cover body 15 is connected to the outer piece 27 and the inner piece 28. It is placed on the pallet 25 along the outer piece 27 and the inner piece 28 so as to be fitted between the two. At this time, the bolt hole 23a formed in the fixing bracket 23 and the bolt hole 29a formed in the bolt receiving member 29 are positioned so as to overlap in the vertical direction.

  Therefore, as shown in FIG. 3B, the cover body 15 is fixed to the pallet 25 by passing the bolt 33 through the bolt hole 23a and screwing it into the bolt hole 29a. By connecting the cover body 15 and the pallet 25 by screwing the bolts 33 in this way, the cover body 15 is detachably fixed to the pallet 25 and the laminated glass body 30 is shut off from the outside and sealed.

  The laminated glass body 30 placed on the pressure plate 21 has a plurality of glass substrates 31 laminated in a horizontal direction on the pallet 25 in a multilayer manner, and a thin glass substrate 31 (thickness 0) laminated in the multilayer. .7 mm), a thin foamed paper 32 (thickness 0.5 mm) having a buffering property is interposed, and the foamed paper 32, the glass substrate 31, the foamed paper 32,. In addition, in the laminated glass body 30 of a present Example, the glass substrate 31 is piled up about 150-300 sheets.

  Next, the connecting fixture 32 and the pulling body 40 will be mainly described with reference to FIGS. 4 (a) and 4 (b). First, the connecting fixture 32 includes a pair of moving operation bars 35 and 36 housed in a rectangular box-shaped operation bar guide 33 formed by bending a metal sheet metal so that the left and right sides are opened. The actuating rods 35 and 36 are sequentially connected to the spring 9 and the pulling body 40, respectively, and the box part 4 connected integrally with the actuating rod guide 33 is welded to the upper part of the pressure plate 2, so that the connecting fixture 32 and the pressure plate 2 are connected. Connected and fixed. The box portion 4 is provided with a slide bar 5 extending in the extending direction of the spring 9 and slidably supports box-shaped sliding members 7 and 8 provided at both ends of the spring 9.

  Grooves 5a, 5a are formed in the slide bar 5 along the length direction, and engaging claws 7a, 8a formed at the lower part of the sliding members 7, 8 are engaged with the grooves 5a, 5a. It is slidable with. A pair of pins 7b to which one end of the spring 9 can be attached protrudes from the upper part of the sliding member 7, and the other ends of the movement actuating rods 35 and 36, which will be described later, can be attached to the shaft via a washer 48 with a bolt 7c. It has become. In a similar manner, the sliding member 8 is also provided with a pair of pins 8b to which the other end of the spring 9 can be attached, and a connecting portion 40b constituting one end of the traction body 40 described later is connected to a washer 48 by a bolt 8c. It is possible to attach it through the shaft.

  A pair of front and rear sliding grooves 33a and 33a extending in the left and right length directions are formed on the top and bottom surfaces of the actuating rod guide 33 so as to overlap. A screw rod 41 facing in the left and right length direction is inserted inside the operation rod guide body 33. The screw rod 41 has a right operation bolt 41a and a left and right operation bolt 41a. Two fixing nuts 41b and 41c are attached so as not to rotate at a predetermined interval, and further, a screw portion 41d is formed in which a screw is cut from the fixing nut 41c toward the left, and a terminal end is formed at the left end. The nut 41e is fixed so as not to rotate.

  At a position slightly below the screw rod 41, there are provided movement actuating rods 35, 36 each having a metal sheet metal formed in a substantially inverted L shape when viewed from above, in front and rear. A threaded portion 35a and a through hole 35b are formed which are threadedly engaged with 41d. The end of the moving operation bar 35 positioned opposite to the through hole 35b is pivotally attached to the sliding member 7 with a bolt 7c, and one end of a spring 9 is attached to the pin 7b of the sliding member 7.

  The other moving operation rod 36 has a loose fitting portion 36a that is rotatable with respect to the screw rod 41 and in which the movement of the screw rod 41 in the axial direction is restricted by the fixing nut 41b and the fixing nut 41c. A through hole 36b (see FIG. 5) is formed. The end of the movement actuating rod 36 positioned opposite to the through hole 36b is pivotally attached to the sliding member 7 with a bolt 7c in the same manner as the end of the moving actuating rod 35 described above. One end of the spring 9 is attached. The other ends of the springs 9 attached to the sliding members 7 and 7 that are axially attached to the end portions of the movement actuating rods 35 and 36 are attached to the pins 8b of the corresponding sliding members 8 so that the sliding members 7 and 8 are connected to each other by a spring 9.

  The moving actuating rod 35 has two bolts 45 inserted through the through holes 35b through the washer 47 and the sliding groove 33a on the top surface side from the upper side to the lower side of the actuating rod guide 33, and further on the bottom side. By passing through the sliding groove 33a and screwing it into a nut through a washer (not shown), the upper and lower sliding grooves 33a and 33a are attached so as to be slidable in the left-right length direction. Similarly, the movable actuating rod 36 is slidably attached to the left and right longitudinal directions of the upper and lower sliding grooves 33a, 33a.

  One end of the pulling body 40 is provided with a connecting portion 40b that is pivotally attached to the sliding member 8 with a bolt 8c, and the other end is provided with a locking piece 40a that can be locked to the inner piece 28 described above. A cloth-like connecting belt 40e having a high tensile strength is attached, and a cloth-like fastening belt 40c having a high tensile strength is attached to the locking piece 40a. The connecting belt 40e and the fastening belt 40c are connected by a conventionally known belt buckle 40d which is a connecting tool. That is, the traction body 40 is connected to the other end of the moving operation rod 36 through the sliding member 8, the spring 9, and the sliding member 7.

  And although not shown in particular, the pulling body 40 is similarly connected to the other end of the movement actuating rod 35 via the sliding member 7, the spring 9 and the sliding member 8, so that both parts of the connecting fixture 32 are provided. A pair of traction bodies 40, 40 is provided via a spring 9. The connecting belt 40e is detachably connected to the buckle 40d of the traction bodies 40, 40, and the fastening belt 40c is connected and held movably in the buckle 40d. Therefore, the length of the traction body 40 can be adjusted as appropriate by adjusting the length while sliding the fastening belt 40c in the buckle 40d.

  Next, based on FIGS. 5 (a) and 5 (b), the sliding of the movement actuating rods 35 and 36 by the turning operation of the screw rod 41 will be described. First, as shown in FIG. 5 (a), the bolts 45, 45 of the moving actuating bar 35 are positioned in advance at the left end of the sliding groove 33a, and the other end of the moving actuating bar 35 is extended leftward. The bolts 45, 45 of the moving operation rod 36 are positioned at the right end of the sliding groove 33a, and the other end of the movement operation rod 36 is extended to the right.

  When the operation bolt 41a of the screw rod 41 is rotated, the screwing portion 35a of the moving operation rod 35 screwed to the screw portion 41d is moved to the right as indicated by the arrow, and the screw portion 41d moves to the left while rotating. As a result, while the bolt 45a of the moving operating bar 35 is slidably guided in the sliding groove 33a, the entire moving operating bar 35 is moved rightward, and at the same time, the moving operating bar 36 is moved to the left as indicated by the arrow. It is moved and moves so that the distance between both moving operation bars 35 and 36 is close to each other.

  Then, as shown in FIG. 5 (b), the sliding members 7, 7 pivotally attached to the other ends of the moving operation bars 35, 36 are also pulled toward the connection fixture 32 along the slide bar 5. The springs 9 and 9 attached to the sliding members 7 and 7 are pulled toward the center of the connection fixture 32. By rotating the screw rod 41 in the reverse direction, the tension of the springs 9 and 9 is relaxed, and the sliding members 7 and 7 are separated from the proximity state toward the outside. As described above, since the pair of moving work bars 35 and 36 can be moved simultaneously in the direction of approaching or moving away by the rotation of the screw rod 41, they are provided at both parts of the connecting fixture 32 at a time. The tension of the springs 9 and 9 can be always adjusted by pulling with equal force.

  As shown in FIG. 6, the sliding members 7, 8 are separately slidably supported along the slide bar 5, and are slidably supported, and the springs 9, 9 are located between the sliding members 7, 8. Therefore, the expansion and contraction of the springs 9 and 9 is always supported stably along the pulling direction of the pulling bodies 40 and 40.

  By pulling one end of the springs 9 and 9 through the moving work rods 35 and 36, tension is applied to the tightening belts 40c and 40c of the pulling bodies 40 and 40 and the connecting belts 40e and 40e connected to the sliding members 8 and 8. Is added. This tension becomes a downward pressure through the corner members 3 and 3 provided at both ends of the pressure plate 2, and a pressing force is applied to the pressure plate 2 together with the lower portion of the connecting fixture 32. Is applied to the laminated glass body 30.

  As described above, the pulling force is applied to the pulling bodies 40 and 40 via the springs 9 and 9 by moving the pair of moving operation bars 35 and 36 in the directions close to each other by the rotation of the screw rod 41. The component force becomes a force directed downward of the laminated glass body 30 via the pressure plate 2, and an equal pressing force is applied to the entire pressure plate 2, and the laminated glass body 30 is held on the pallet 25 via the pressure plate 21. . In addition, since the traction bodies 40 and 40 are stretched over the corner members 3 and 3, the traction force of the traction bodies 40 and 40 is concentrated on both corner members 3 and 3 and evenly distributed at both ends of the pressure plate 2. Can be stably held on the pallet 25,

  Although not specifically shown, the slide bar 5 is provided with fine scales along the left and right length directions, and it is easy to visually recognize the moving state of the sliding members 7 and 7 by the rotation of the screw bar 41. Therefore, by turning the screw rod 41 while checking the scale, it is possible to finely set the moving distance of the pair of moving work rods 35 and 36 as adjusting means, and appropriately adjust the tension of the springs 9 and 9. Since the pulling force of the pulling bodies 40 and 40 can be adjusted, the pressing force of the pressure plate 2 can be finely adjusted according to the thickness of the laminated glass body 30.

  Moreover, since the buckles 40d and 40d are provided in the pulling bodies 40 and 40, according to the height of the glass substrate laminated | stacked on the pallet 25 (height of the laminated glass body 30), the pulling bodies 40 and 40 of FIG. The length can be adjusted as appropriate, and the tension of the springs 9 and 9 can be adjusted by tightening and loosening the pulling bodies 40 and 40.

  And the glass conveyance pallet 1 is comprised by attaching the cover body 15 to the pallet 25 from the upper direction of the pressure plate 2 by the fixing method (refer FIG. 3) mentioned above, and the laminated glass body 30, the pressure plate 2, the connection fixture 32, a spring 9. Since the pulling body 40 and the like are hermetically sealed off from the outside, the laminated glass body 30 can always be maintained in a clean state without causing a gap for moisture or dust to enter the glass transport pallet 1.

  As shown in FIG. 7, the pressure plate 2 is placed on the laminated glass body 30. The pressure plate 2 is spaced apart by a predetermined distance before and after the pressure plate 2, and the connecting fixtures 32 and 32 are fixed at the left and right intermediate positions of the pressure plate 2. The other ends of the traction bodies 40, 40 provided on the two parts via the springs 9, 9 are fixed to the pallet 25, so that the springs 9, 9 attached to both parts of the connection fixtures 32, 32 are fixed. Since a pressure is applied to the pressure plate 2 and a uniform pressure is applied to the laminated glass body 30, the laminated glass body 30 is securely and stably held on the pallet 25, and the glass transport pallet 1 Even when an impact or vibration occurs during the transport of the film, the impact is absorbed by the elastic force of the pair of springs 9, 9, so that the surface of the laminated glass body 30 is not damaged.

  As a modification of the glass transport pallet 1, corner members 3 ′ and 3 ′ are provided on the front and rear end portions of the pressure plate 2 described above as shown in FIG. Connected fixtures 32 'and 32' are provided at intermediate positions before and after the pressure plate 2 at a predetermined interval, and the traction bodies 40 'and 40' provided at both portions via springs 9 'and 9'. Since the other end of the laminated glass body 30 is fixed to the pallet 25, the pressing force of the laminated glass body 30 is further increased and equalized, and the holding strength of the laminated glass body 30 with respect to the pallet 25 is increased more stably.

  Next, a second embodiment of the present invention will be described with reference to FIGS. FIG. 9 is a cross-sectional view illustrating the entire image of the glass transport pallet 1 according to the second embodiment of the present invention, and FIG. 10A illustrates a state before the movement of the pair of moving work bars by the rotation operation of the operation shaft. FIG. 10B is a plan view of the connection fixture showing a state after the movement actuating rod is completely moved by the rotation operation of the operation shaft. In the following second embodiment, the same structural parts as those of the first embodiment will be denoted by the same reference numerals, and detailed description thereof will be omitted.

  As shown in FIG. 9, the connecting fixture 52 provided on the pressure plate 2 of the glass transport pallet 50 is provided with an operating shaft 58 as an operating means so as to stand upward. When the pivoting operation is performed, a pair of rack bars 51, 51 ′ provided inside the coupling fixture 52 are interlocked to move the moving work bars 56, 56 ′ extending from the coupling fixture 52 to the left and right. The strength of the tension of the springs 9 and 9 can be adjusted in conjunction with the directions approaching or separating from each other.

  Therefore, as shown in FIG. 10A, the concrete body is provided with a pinion 58a at the lower end portion of the operation shaft 58, and a pair of rack bars 51, 51 formed with a rack 51a fitted to the pinion 58a. 'Is arranged in front and rear and parallel to the slide bar 5. One end of a moving work bar 56 is connected to the left end of the rack bar 51 via a loose fitting portion 36a, and the other end of the moving work bar 56 is pivotally attached to the sliding member 7 with a bolt 7c. The moving work bar 56 is pivotally supported by bolts 45, 45 so as to be slidable along the length direction of the sliding groove 33a. Similarly, one end of the moving work bar 56 ′ is connected to the right end of the rack bar 51 ′ via a loose fitting portion 36 a, and the other end of the moving work bar 56 ′ is pivotally attached to the sliding member 7. This moving work rod 56 'is also pivotally supported by bolts 45, 45 so as to be slidable along the length direction of the sliding groove 33a.

  Next, when the operation shaft 58 is operated and rotated, the rack bar 51 is moved rightward as indicated by the arrow by the meshing engagement between the pinion 58a and the front and rear racks 51a, and the moving work bar 56 is moved. Are slid to the right along the sliding groove 33a, and similarly the rack bar 51 'is moved to the left as indicated by the arrow, and the moving work bar 56' is also linked to the sliding groove. It slides to the left along 33a, and the space | interval of both the movement actuating rods 56 and 56 'approaches.

  Then, as shown in FIG. 10 (b), the sliding members 7 and 7 pivotally attached to the other ends of the moving operation rods 56 and 56 'are also pulled toward the center of the coupling fixture 52 and close to each other. At the same time, the ends of the springs 9 and 9 attached to the sliding members 7 and 7 are also pulled toward the center of the coupling fixture 52, and as shown in FIG. A tensile force is applied, and the laminated glass body 30 is held on the pallet 25 via the pressure plate 2. After the traction force is adjusted, the position is fixed with a stopper or the like (not shown) so that the operation shaft 58 does not reverse. If the stopper is removed and the operation rod 58 is rotated in the reverse direction, the tension of the springs 9 and 9 is released, and the sliding members 7 and 7 are separated from the proximity state toward the outside.

  In this way, the operation shaft 28 is provided so as to stand upward from the connection fixture 52, so that a pair of springs 9 and 9 and a pair of moving operation rods 56 and 56 ′ provided on the upper portion of the pressure plate 2 are provided. The operation shaft 58 can be easily operated from above the coupling fixture 52 without being interfered by the above.

  In the second embodiment, the moving operation rods 56 and 56 ′ are moved in conjunction with each other by fitting the pinion 58a and the racks 51a and 51a. A gear may be provided, and an operation shaft provided with a bevel gear that is gear-fitted to these bevel gears may be provided to move the pair of moving operation rods in a direction approaching or separating from each other.

  Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and modifications and additions within the scope of the present invention are included in the present invention. For example, in the above embodiment, the pair of moving work bars 35 and 36 can be moved in conjunction with each other in the direction of approaching or moving away by the rotation of the screw bar 41. However, the present invention is not limited to this, and both movements without using the screw rod 41 are preferable. The work bars 35 and 36 may be configured to be movable separately.

  Moreover, in the said Example, it is preferable from attaching the spring 9 between the sliding members 7 and 8 slidably supported by the slide rod 5, so that the spring 9 can always be stably supported along the expansion / contraction direction. However, the present invention is not limited to this, and one end of the spring 9 is directly connected to the connecting fixture 32 and the other end of the spring 9 is directly connected to the traction body 40 without using the slide bar 5 and the sliding members 7 and 8. You may make it attach.

  Moreover, in the said Example, the corner member 3 was each provided in the pressure plate 2, and the traction force of the traction body 40 was concentrated on both the corner members 3 and 3, and was uniformly disperse | distributed to the both ends of the pressure plate 2, and a laminated glass body However, the present invention is not limited to this. The corner plate 3 is not provided on the pressure plate 2, and the traction force of the traction body 40 is directly applied to the pressure plate 2. Even when a pressing force is applied, the laminated glass body 30 can be stably held on the pallet 25.

Moreover, in the said Example, although the length of the tow | pulling body 40 can be adjusted suitably by using the conventionally well-known buckle 40d for a coupling tool, this invention is not limited to this, The fastening belt 40c The connecting belt 40e may not be provided as a separate body, but may be configured as a single belt body, and the length of the belt body may be adjusted by connecting the end portions of the belt body in a ring shape with a connecting tool.
A bevel gear is used as a modification of the second embodiment.

It is a perspective view which shows the whole image of the glass conveyance pallet in Example 1 of this invention. It is a disassembled assembly perspective view of a glass conveyance pallet. (A) is a principal part expansion disassembled perspective view which shows the process of attaching a cover body to a pallet, (b) is sectional drawing which shows the connection state of a pallet and a cover body. (A) is a perspective view which shows the structure of a connection fixing tool, (b) is a perspective view which shows the structure of a traction body. (A) is a top view of the connecting fixture showing the state before the movement of the moving actuating rod by the turning operation of the screw rod, and (b) is the completion of the movement of the moving actuating rod by the turning operation of the screw rod. It is a top view of the connection fixture which shows the state after. It is sectional drawing of the glass conveyance pallet at the time of tightening operation of a tow | pulling body. It is a top view which shows the holding | maintenance state of the laminated glass body by a connection fixing tool and a traction body. It is a modification of a glass conveyance pallet, and is a top view which used many connection fixing tools and a traction body for the pressure plate. It is sectional drawing which shows the whole image of the glass conveyance pallet in Example 2 of this invention. (A) is a top view of the connection fixture which shows the state before the start of a movement of a pair of moving work rod by rotation operation of the operation shaft in Example 2, (b) is based on rotation operation of an operation shaft. It is a top view of the connection fixture which shows the state after the movement completion of a movement action | operation stick | rod.

Explanation of symbols

1 Glass transport pallet (Example 1)
2 Pressure plate 3, 3 'Corner member 3a Bar 3b Corner surface 4 Box part 5 Slide bar 5a Groove groove 7, 8 Sliding member 7a, 8a Locking claw 7b, 8b Pin 7c, 8c Bolt 9 Spring 15 Cover body 15a Outer bottom part 21 Pressure plate 21a Reinforcing material 22 Composite panel 23 Fixing bracket 23a Bolt hole 25 Pallet 26 Through hole 27 Outer piece 28 Inner piece 28a Locking hole 29 Bolt receiving material 29a Bolt hole 30 Laminated glass body 30a Glass substrate 30b Foamed paper 31 Bolt 32 , 32 'connecting fixture 33 work bar guide 33a sliding groove 33b bolt hole 35 moving actuating bar (part of adjusting means)
35a Threaded portion 35b Through hole 36 Moving operation rod (part of adjusting means)
36a Free fitting part 36b Through hole 40, 40 'Traction body 40a Locking piece 40b Connecting part 40c Fastening belt 40d Buckle (connecting tool)
40e Connection belt 41 Screw rod 41a Operation bolt 41b Fixing nut 41c Fixing nut 41d Screw part 41e Termination nut 45 Bolt 46 Nut 47, 48 Washer 50 Glass transport pallet (Example 2)
51, 51 'Rack bar 51a Rack 52 Connecting fixture 53 Work bar guide 56, 56' Movement actuating bar (a pair of adjusting means)
58 Operation axis (operation means)
58a pinion

Claims (10)

  A glass transport pallet in which a plurality of glass substrates are horizontally stacked on a pallet, and a pressure plate is placed on the uppermost glass substrate, and a pair of both ends are placed on the upper portion of the pressure plate. A connecting fixture having one end of each spring attached thereto is provided, one end of each belt-like traction body is attached to the other end of the pair of springs, and the other end of each traction body is detachable from the pallet. A glass conveying pallet characterized by applying a pressing force to the pressure plate by fixing and applying tension to the pair of springs.   The glass conveying pallet according to claim 1, wherein the coupling fixture is provided with an adjusting means capable of adjusting a tension of the spring.   The glass transport pallet according to claim 1 or 2, wherein the puller is provided with a connector whose length can be adjusted.   4. A pair of slide bars facing the tensioning direction of the spring are provided on both sides of the coupling fixture, and each slide bar supports both ends of the spring so as to be slidable. The glass conveyance pallet in any one.   The glass transport pallet according to claim 4, wherein the slide bar is graduated.   The glass conveyance pallet according to any one of claims 1 to 5, wherein corner members are provided at both ends of the pressure plate so as to span the traction bodies.   The adjustment means comprises a pair of operating rods guided so as to be movable toward or away from each other, and one end of the spring is connected to the other end of the pair of working rods. Glass transport pallet as described in Crab.   The glass transport pallet according to claim 7, wherein the pair of operating bars are moved in directions toward or away from each other by rotation of a screw bar.   The glass conveying pallet according to claim 7, wherein an operating means for the pair of work bars is provided upright on an upper portion of the connection fixture.   The glass transport pallet according to any one of claims 1 to 9, wherein a cover body for sealing and blocking the laminated glass substrate and pressure plate from the outside is detachably fixed to the pallet.

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