A kind of measurement mechanism of worktable band air supporting glass
Technical field
The utility model relates to the survey instrument art, refers in particular to a kind of measurement mechanism of worktable band air supporting glass.
Background technology
At present, measurement mechanism is based on two-dimensional measurement, comprises length, angle, profile, surface configuration of geometric elements such as point, line, circular arc, rectangle and part etc.; It also can do three-dimensional measurement, as degree of depth of height, hole or the groove of step etc.; So be widely used in industries such as machinery, electronics, instrument, plastic cement; Current large-scale measurement mechanism generally adopts the removable or removable dual mode of measuring system of worktable, can consult Chinese patent ZL200620055808.0 disclosed " image measurer "; Yet, because the volume of worktable, measuring system is bigger, very inconvenience of operation during as if travelling table or measuring system; And load-bearing glass can cause glass deformation at the heavier object of carrying, so need to increase under the thickness, intensity situation of glass can, higher to the requirement of load-bearing glass thus, be unfavorable for market competition.
The utility model content
The utility model is at the existing disappearance of above-mentioned prior art, and it is a kind of easy to operate and to the thickness of load-bearing glass on the worktable, the measurement mechanism that requirement of strength is not high that fundamental purpose is to provide.
For realizing above-mentioned purpose, the utility model is taked following technical scheme:
A kind of measurement mechanism of worktable band air supporting glass comprises worktable and is suspended from the measuring system of worktable top, and this worktable comprises:
One pedestal offers a window on the table top of pedestal;
One load-bearing glass, it is embedded in the window of above-mentioned table top and does not cover this window fully, and this load-bearing glassy phase is to be slidably structure to window;
One air permeable plate, it is fixedly arranged on load-bearing glass below and blocks this window fully; On this air permeable plate, offer a plurality of bleeder vents;
One snorkel, it is fixedly arranged on the air permeable plate below;
One air compressor, it is communicated with snorkel.
Described snorkel constitutes along the arm of being responsible for a side horizontal expansion and communicate with the person in charge with the person in charge, the complex root of air compressor connection by one, and each arm is arranged in whole air permeable plate below, all offers a plurality of ventholes on each arm.
Described each arm respectively is equipped with solenoid valve near the end of being responsible for, on the madial wall of above-mentioned window, be provided with the air supporting track that is used to inlay load-bearing glass, be provided with the sensing component that is used to control each solenoid valve open and close along this air supporting track, and the end of inlaying of load-bearing glass both sides is provided with sensing part, under load-bearing glass slides state, the sensing component that is in sensing part below is opened automatically and is in the solenoid valve on the arm under the load-bearing glass, but not the sensing component that is in the sensing part below is closed automatically and exposed the solenoid valve on the arm outside load-bearing glass.
Upper surface at air permeable plate offers the ventilation shallow slot.
The utility model compared with prior art, its advantage is by form the mode of thin layer air film below load-bearing glass, make load-bearing glass under the situation that does not increase thickness, intensity, get final product the heavier object of load-bearing, solved the problem of prior art glass deformation thus, also can conveniently adjust the measuring position when especially using by the thin layer air film by mobile load-bearing glass, and need not move whole worktable or measuring system, to bringing convenience property of operation.
Description of drawings
Fig. 1 is the utility model unitary construction synoptic diagram;
Fig. 2 be among Fig. 1 worktable overlook enlarged diagram;
Fig. 3 is the A-A cross-sectional schematic of Fig. 2;
Fig. 4 is the local enlarged diagram of Fig. 3;
Fig. 5 is the floor map of the utility model snorkel.
The drawing reference numeral explanation:
1, worktable
11, pedestal 111, table top
111a, window 111b, air supporting track 111c, sensing component
12, load-bearing glass 121, sensing part
13, air permeable plate 131, bleeder vent 132, ventilation shallow slot
14, snorkel 141, the person in charge 142, arm 142a, venthole 143, solenoid valve
15, air compressor
2, measuring system 21, measuring instrument
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
See also Fig. 1~shown in Figure 5, a kind of measurement mechanism of worktable band air supporting glass, comprise the worktable (1) arranged along X axis and along Y-axis to the measuring system (2) that is suspended from the worktable top, certainly, measuring instrument (21) on the measuring system (2) is can be according to demand, can be designed to upper and lower moving or move left and right, not add at this and give qualification; Wherein:
This worktable (1) comprising:
One pedestal (11) offers a window (111a) on the table top (111) of pedestal (11), be provided with air supporting track (111b) on the two relative madial walls of this window (111a), is provided with sensing part (111c) along this air supporting track (111b).
One load-bearing glass (12), it is embedded in the air supporting track (111b) of window (111a) of above-mentioned table top (111), and do not cover this window (111a) fully, this load-bearing glass (12) air supporting track (111b) of window (111a) relatively is to be slidably structure; The end of inlaying of above-mentioned load-bearing glass (12) both sides is provided with sensing part (121).
One air permeable plate (13), it is fixedly arranged on load-bearing glass (12) below and blocks this window (111a) fully; On this air permeable plate (13), offer a plurality of bleeder vents (131).Upper surface at air permeable plate (13) offers ventilation shallow slot (132), is used to dissolve the design that the air side pressure is done.
One snorkel (14), it is fixedly arranged on air permeable plate (13) below; Described snorkel (14) is responsible for (141), complex root along arm (142) formation of being responsible for (141) one side horizontal expansions and communicating with the person in charge (141) by one, each arm (142) is covered with whole air permeable plate (13) below respectively, also all offers a plurality of ventholes (142a) on each arm (142); Described each arm (142) respectively is equipped with solenoid valve (143) near the end of being responsible for (141), is used for cutting off or opening the person in charge (141) and supply with corresponding arm (142) gas, and these solenoid valves (143) are controlled break-make by above-mentioned sensing component (111c).
One air compressor (15), it is communicated with the person in charge (141) of above-mentioned snorkel (14), provides air inlet to give the person in charge (14).
Above-mentioned measuring system (2) can adopt existing mature technology, does not give unnecessary details so do not add to give at this.
Wherein, when using after the above-mentioned assembly, open air compressor (15) earlier, air enters among the person in charge (141) of snorkel (14) through air compressor (15), provide corresponding arm air inlet by being responsible for (141), when mobile load-bearing glass (12) when adjusting the position, the sensing component (111c) that wherein is in sensing part (121) below drives to open automatically down at sensing part (121) and is in the solenoid valve on the arm under the load-bearing glass, then closes automatically and exposes the solenoid valve on the arm outside load-bearing glass but not be in sensing component (111c) below the sensing part (121); Therefore, air then enters in the arm that has been in the solenoid valve unlatching, venthole by this arm upwards sprays again, and then most of air can continue upwards ejection by the bleeder vent that is positioned under the load-bearing glass (12) of air permeable plate (13), make load-bearing glass (12) below produce upwards thin layer air film, make and can not cause self-deformation at the heavier object glass of carrying, and make slightly upwards float state of load-bearing glass (12), and then can realize that load-bearing glass (12) slides freely, so as long as promote load-bearing glass (12) gently, can make load-bearing glass (12) arrive the precalculated position in operator's measuring process.
The utility model design focal point is by form the mode of thin layer air film below load-bearing glass, make load-bearing glass under the situation that does not increase thickness, intensity, get final product the heavier object of load-bearing, solved the problem of prior art glass deformation thus, can conveniently adjust the measuring position by the thin layer air film when especially using by mobile load-bearing glass, and need not move whole worktable or measuring system, to bringing convenience property of operation.
The above, it only is the preferred embodiment of the measurement mechanism of a kind of worktable band of the utility model air supporting glass, be not that technical scope of the present utility model is imposed any restrictions, so every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment did.