The anti-water tray that is used for platform scale
Technical field
The utility model relates to a kind of pallet.
Background technology
In semiconductor production, need a large amount of more than ten kind of liquefaction process gas bombs such as chlorine, hydrogen chloride that use.When gas delivery, two liquid gas steel cylinders are contained in the same gas cabinet, one of them steel cylinder is in the air feed state, and another gas bomb is in stand-by state.And, all be placed with the weight that special electronic weighbridge measures liquid gas in the steel cylinder in the bottom of two steel cylinders.When liquid gas in the steel cylinder that is in the air feed state used weight automatic switchover value (being about to empty), platform scale meeting perception was also sent the steel cylinder switching signal.This moment, fast steel cylinder with sky can stop air feed automatically, and opposite side is in the steel cylinder of stand-by state and can comes into operation automatically.So, can realize that we steadily are the purpose of semiconductor production equipment supply gas continuously.
In the season of weather high humidities such as summer, the steel cylinder platform scale can be subjected to two kinds of approach to produce the harm of condensate water and cause the steel cylinder platform scale to damage.
First kind of situation is because in the air feed process, liquid gas in the steel cylinder is to change gaseous state into by liquid state, and this physical state change procedure is an endothermic process, therefore, the temperature of steel cylinder can significantly reduce, and therefore the steel cylinder surface can produce a large amount of condensate water.On the platform scale of these condensate water below the steel cylinder surface flows to, penetrate into platform scale inside from the position of opening of check and correction platform scale precision or bottom again it is damaged.
Another kind of situation is the inner liquid gas evaporation of invar bottle and the steel cylinder body temperature is reduced, especially the steel cylinder bottom.The steel cylinder bottom makes cold pass to inner platform scale self the generation condensate water that makes of platform scale by contacting with platform scale.
These two kinds of approach produce condensate water and all can cause platform scale internal control circuit fault impaired because of meeting water.Platform scale damages and not only to cause the air feed equipment economic loss, also can cause that the steel cylinder weight value of reading is wrong and causes the air feed interruption because of platform scale is malfunctioning, even impact the generation of the serious consequence of production.
The waterproof measure of existing platform scale be to use inhale acid cotton embrace wrap up in steel cylinder and on platform scale place mat to inhale acid cotton, but effect is very undesirable.
Therefore, how to provide a kind of and can prevent that platform scale from meeting the impaired anti-water tray that is used for platform scale of water is the technical matters that this area needs to be resolved hurrily.
The utility model content
The purpose of this utility model is to provide a kind of anti-water tray that is used for platform scale, can prevent that steel cylinder from passing to platform scale inside with condensate water and cold.
To achieve the above object, the utility model adopts following technical scheme:
A kind of anti-water tray that is used for platform scale, described pallet is arranged at the top of platform scale, and described pallet comprises base plate and four blocks of side plates, and described four blocks of side plates are connected to four sides of base plate, described four blocks of side plates all project upwards, thereby surround the box body of a upward opening.
The height of a side plate is lower than the height of other three blocks of side plates in described four blocks of side plates.
Described four blocks of side plates all flush to lower process and lower limb.
Be installed with some backing plates above the described base plate, form groove between adjacent backing plate.
The height of a side plate is lower than the height of other three blocks of side plates in described four blocks of side plates, and with the upper surface flush of described backing plate.
The bottom surface of described base plate is provided with the adhesive linkage that is used to paste described platform scale.
Described adhesive linkage is a double faced adhesive tape.
Described side plate and base plate adopt the PVC material to make.
The beneficial effects of the utility model are as follows:
The utility model is used for the anti-water tray of platform scale; simple in structure, easy to use; when this anti-water tray is placed on the platform scale; not only can accumulate the condensate water that stays from steel cylinder; but also can effectively intercept heat transmission between steel cylinder and the platform scale; thereby prevent that cold that steel cylinder when vaporization produce is delivered to platform scale and makes platform scale self condensate water that condenses; thereby effectively protect platform scale not to be subjected to condensation water enchroachment (invasion) evil; guarantee the normal use of platform scale; thereby, also can eliminate because the malfunctioning air feed interruption accident that causes the steel cylinder weight value of reading mistake and cause of platform scale.
Description of drawings
The anti-water tray that is used for platform scale of the present utility model is provided by following embodiment and accompanying drawing.
Fig. 1 is the structural representation (vertical view) that is used for the anti-water tray of platform scale of the present utility model;
Fig. 2 is that the A of Fig. 1 is to structural representation (front elevation);
Fig. 3 is that the B of Fig. 1 is to structural representation (side view);
Among the figure, 1-base plate, higher side plate, 3-backing plate, 4-adhesive linkage, the 5-platform scale of side plate, 22-that 21-is lower.
Embodiment
Below will be described in further detail the anti-water tray that is used for platform scale of the present utility model.
Below with reference to accompanying drawings the utility model is described in more detail, has wherein represented preferred embodiment of the present utility model, should be appreciated that those skilled in the art can revise the utility model described here and still realize advantageous effects of the present utility model.Therefore, following description is appreciated that extensively knowing for those skilled in the art, and not as to restriction of the present utility model.
For clear, whole features of practical embodiments are not described.In the following description, be not described in detail known function and structure, because they can make the utility model because unnecessary details and confusion.Will be understood that in the exploitation of any practical embodiments, must make a large amount of implementation details, for example, change into another embodiment by an embodiment according to relevant system or relevant commercial restriction to realize developer's specific objective.In addition, will be understood that this development may be complicated and time-consuming, but only be routine work to those skilled in the art.
For the purpose of this utility model, feature are become apparent, embodiment of the present utility model is further described below in conjunction with accompanying drawing.It should be noted that accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the purpose of aid illustration the utility model embodiment lucidly.
See also Fig. 1-3, Fig. 1 is the structural representation (vertical view) that is used for the anti-water tray of platform scale of the present utility model; Fig. 2 is that the A of Fig. 1 is to structural representation (front elevation); Fig. 3 is that the B of Fig. 1 is to structural representation (side view).
This anti-water tray that is used for platform scale 5, described pallet is arranged at the top of platform scale 5, and described pallet comprises base plate 1 and four blocks of side plates, and described four blocks of side plates are connected to four sides of base plate 1, described four blocks of side plates all project upwards, thereby surround the box body of a upward opening.
The height of a side plate is lower than the height of other three blocks of side plates in described four blocks of side plates.Wherein, lower side plate 21 can make things convenient for steel cylinder to load and unload the pallet the inside.Other three effects than higher side plate 22 are that the steel cylinder that stops to put is crossed the position, play the effect that limits the steel cylinder position.
Described four blocks of side plates all flush to lower process and lower limb.So, this anti-water tray that is used for platform scale 5 can be enclosed within platform scale 5 more securely, and can avoid water to enter in the platform scale 5.
Be installed with some backing plates 3 above the described base plate 1,3 on adjacent backing plate forms groove.Backing plate 3 is set, can prevents effectively that the bottom of steel cylinder from directly touching the condensate water that is accumulated in the pallet, thereby can avoid the shell of steel cylinder to be subjected to corrosion.
Preferably, the upper surface of described lower side plate 21 and the upper surface flush of described backing plate 3, purpose is in order more easily steel cylinder to be loaded and unloaded in the pallet.
The bottom surface of described base plate 1 is provided with the adhesive linkage 4 that is used to paste described platform scale 5.Described adhesive linkage 4 is double faced adhesive tapes.The effect of described adhesive linkage 4 is to allow contact closelyr between platform scale 5 and pallet, and when the loading and unloading steel cylinder, pallet is difficult for coming off from platform scale 5, and pallet remains consistent with platform scale 5.
Described side plate and base plate 1 and backing plate 3 adopt the PVC material to make.The pallet that adopts the PVC material to make has noninflammability, high strength, weatherability variability and good advantages such as geometrical stability.
The utility model is used for the anti-water tray of platform scale; simple in structure, easy to use; when this anti-water tray is placed on the platform scale; not only can accumulate the condensate water that stays from steel cylinder; but also can effectively intercept heat transmission between steel cylinder and the platform scale; thereby prevent that cold that steel cylinder when vaporization produce is delivered to platform scale and makes platform scale self condensate water that condenses; thereby effectively protect platform scale not to be subjected to condensation water enchroachment (invasion) evil; guarantee the normal use of platform scale; thereby, also can eliminate because the malfunctioning air feed interruption accident that causes the steel cylinder weight value of reading mistake and cause of platform scale.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.