Displacement platform structure

Abstract

The utility model discloses a displacement platform structure which comprises a machine table, a moving table linearly moving relative to the machine table is arranged on the machine table, a sliding rail assembly is arranged on the machine table, a sliding rail groove is formed in the sliding rail assembly, a sliding block is arranged in the sliding rail groove and fixedly connected with the moving table, and a suspension space is formed between the sliding block and the sliding rail groove. The sliding block is provided with a plurality of conveying flow channels communicated with the suspension space, the moving table or the sliding block is provided with a main flow channel communicated with the conveying flow channels, an opening in one end of the main flow channel is used for being connected with an external supply device, and a flow controller is arranged in each conveying flow channel. The flow restrictor is arranged in the conveying flow channel, the flow restrictor can reduce the material flow flowing from the main flow channel to the conveying flow channel, and the pressure can be reduced while the flow is reduced, so that the flow and the pressure in each conveying flow channel can be accurately controlled, the sliding block can stably suspend in the sliding rail groove, and the service life of the sliding block is prolonged. And the moving stability of the sliding block and the moving table can be effectively improved.

Description

Technical Field

[0001] The utility model relates to a displacement platform structure. Background Art

[0002] Suspension platforms can be divided into air static pressure platforms and oil static pressure platforms. The difference between the two is that one uses oil for suspension and the other uses air for suspension.

[0003] Prior art, such as Chinese utility model patent document with publication number CN217421878U, discloses an air static pressure suspended sliding platform, comprising a base; guide rails, at least one set of guide rails fixedly arranged on the base; an air floating slider, the air floating slider is arranged around the circumference of each guide rail and sprays compressed air vertically toward the surface of the guide rail, and the air floating slider is suspended on the guide rail; one end of the air floating slider is provided with an inlet for compressed air, a main airway for outputting compressed air is built-in, and a plurality of equally spaced branch airways are connected to the main airway, and the branch airways are perpendicular to the guide rails and parallel to the sides of the air floating slider.

[0004] Based on the above, in the prior art, the suspended matter is input into the main channel under the action of the pump, and then enters into different conveying channels. In this process, since there is no device that can adjust the flow rate of the suspended matter in the conveying channel, the flow rate of the suspended matter flowing to the conveying channel depends entirely on the power of the pump, which will cause the flow rate of the suspended matter in each conveying channel to be unable to be accurately controlled and the pressure to fluctuate, which will affect the stability of the slider suspension and needs further improvement. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a displacement platform structure in which a throttle is arranged in a conveying flow channel to control the flow rate and pressure of the suspended material.

[0006] A displacement platform structure designed for this purpose includes a machine platform, a moving platform that moves linearly relative to the machine platform is arranged on the machine platform, a slide rail assembly is arranged on the machine platform, a slide rail groove is formed in the slide rail assembly, a slider is arranged in the slide rail groove, the slider is fixedly connected to the moving platform, a suspension space is formed between the slider and the slide rail groove, the slider is provided with a plurality of conveying channels that are interconnected with the suspension space, a main channel that is interconnected with the conveying channel is arranged on the moving platform or the slider, one end of the main channel is open for connecting to an external supply device, and a throttle is arranged in each of the conveying channels.

[0007] Preferably, the suspension space includes suspension grooves on both upper and lower side walls and left and right side walls of the slider, the suspension grooves are provided with openings on the walls adjacent to the slide rail grooves, and the conveying channel is connected to the suspension grooves.

[0008] Preferably, a connecting flow channel and a pressure reducing flow channel which are interconnected are formed inside the throttle, and the diameter of the pressure reducing flow channel is smaller than the diameter of the connecting flow channel.

[0009] Preferably, the slide rail assembly comprises an outer rail member and an inner rail member spaced apart from each other, the outer rail member comprises a first guide rail and a second guide rail connected to each other, and the first guide rail is fixedly connected to the machine platform;

[0010] The first guide rail and the inner rail member are respectively arranged on the left and right sides of the slider;

[0011] The second guide rail and the machine platform are respectively arranged on the upper and lower sides of the sliding block.

[0012] Preferably, a reflux channel for recovering suspended matter is provided on the machine platform.

[0013] Preferably, the reflux channel comprises a recovery channel arranged on the machine platform, and a reflux hole and an output hole are arranged at both ends of the recovery channel, and the reflux hole is connected to the suspension tank.

[0014] Preferably, each conveying channel is connected to at least one suspension tank.

[0015] Preferably, the conveying flow channel is arranged on a moving platform, and a transmission flow channel is arranged on the moving platform, one end of the transmission flow channel is connected with the conveying flow channel, and the other end of the transmission flow channel is connected with the main flow channel.

[0016] Compared with the prior art, the utility model has a main channel interconnected with the delivery channel on the moving platform or the slider, one end of the main channel is open for connecting an external supply device, and a throttle is arranged in each of the delivery channels. By arranging the throttle in the delivery channel, the throttle can reduce the material flow from the main channel to the delivery channel, and can reduce the pressure while reducing the flow, so that the flow and pressure in each delivery channel can be accurately controlled, so that the slider can be stably suspended in the slide rail groove, which can effectively improve the movement stability of the slider and the moving platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the exploded structure of the utility model;

[0019] Figure 3 This is one of the cross-sectional structural schematic diagrams of the utility model;

[0020] Figure 4 This is the second schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 5 This is the third schematic diagram of the cross-sectional structure of the utility model;

[0022] Figure 6 This is the fourth schematic diagram of the cross-sectional structure of the utility model;

[0023] Figure 7 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0024] Figure 8 It is a schematic diagram of the plane structure of the machine;

[0025] Fig. 9 It is a schematic diagram of the cross-sectional structure of the machine. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0027] See also Figure 1-Figure 9 A displacement platform structure includes a machine table 10, wherein a moving table 20 which moves linearly relative to the machine table 10 is arranged on the machine table 10, a slide rail assembly 30 is arranged on the machine table 10, a slide rail groove 100 is formed in the slide rail assembly 30, a slider 40 is arranged in the slide rail groove 100, the slider 40 is fixedly connected to the moving table 20, a suspension space is formed between the slider 40 and the slide rail groove 100, the slider 40 is provided with a plurality of conveying channels 420 which are interconnected with the suspension space, and is characterized in that: a main channel 200 which is interconnected with the conveying channel 420 is arranged on the moving table 20 or the slider 40, one end of the main channel 200 is opened for connecting an external supply device, and a throttle 50 is arranged in each of the conveying channels 420. In this embodiment, by setting a throttle in the conveying channel, the throttle can reduce the material flow rate flowing from the main channel to the conveying channel, and can reduce the pressure while reducing the flow rate, so that the flow rate and pressure in each conveying channel can be accurately controlled, so that the slider can be stably suspended in the slide rail groove, which can effectively improve the movement stability of the slider and the moving platform.

[0028] Further, the conveying channel 420 is arranged on the moving platform 20, and the conveying channel 210 is arranged on the moving platform 20, and one end of the conveying channel 210 is connected to the conveying channel 420, and the other end is connected to the main channel 200. In this embodiment, the main channel 200 is arranged on the moving platform 20, and the conveying channel 210 is connected to the conveying channel 420, so that the main channel 200 and the conveying channel 420 are connected to each other. In this embodiment, the throttle 50 is preferably arranged at one end where the conveying channel 210 is connected to the main channel 200.

[0029] See also Figure 3 The suspension space includes suspension grooves 410 on both upper and lower side walls and left and right side walls of the slider 40. The suspension grooves 410 are opened on the wall surface adjacent to the rail groove 100. The delivery channel 420 is connected to the suspension groove 410. The suspended materials input through the delivery channel flow into the surrounding suspension grooves 410 respectively, and then the suspended materials flow out from the gaps around the suspension grooves 410. When the suspended materials are in the suspension grooves 410, the suspended materials act as a suspension medium between the inner wall of the rail groove 100 and the slider 40, so that the slider 40 can be suspended in the rail groove 100.

[0030] See also Figure 7 The throttle 50 has a connecting flow channel 510 and a pressure reducing flow channel 520 that are interconnected. The diameter of the pressure reducing flow channel 520 is smaller than that of the connecting flow channel 510. The main flow channel 200, the connecting flow channel 510, the pressure reducing flow channel 520 and the conveying flow channel 420 are connected in sequence. The external supply device drives the suspended matter to flow to the main flow channel 200, and then the suspended matter is respectively input into the conveying flow channel 420 through the connecting flow channel 510 and the pressure reducing flow channel 520 of the throttle 50. In this process, the input flow rate and pressure of the suspended matter are precisely controlled, and the flow rate of the liquid or gas is precisely adjusted to meet the specific requirements of the system for the flow rate, and at the same time, it helps to reduce pressure fluctuations and keep the pressure in the system relatively stable.

[0031] See also Figure 3 and Figure 4 The slide rail assembly 30 includes an outer rail member 310 and an inner rail member 320 that are spaced apart on the left and right sides. The outer rail member 310 includes a first guide rail 311 and a second guide rail 312 that are connected to each other. The first guide rail 311 is fixedly connected to the machine 10; the first guide rail 311 and the inner rail member 320 are respectively arranged on the left and right sides of the slider 40; the second guide rail 312 and the machine 10 are respectively arranged on the upper and lower sides of the slider 40.

[0032] See also Figure 3 An assembly space that penetrates vertically is formed between the second guide rail 312 and the inner rail member 320 . A connecting portion 240 is provided on the moving platform 20 and extends into the slide rail groove 100 to be connected with the slider 40 .

[0033] See also Fig. 9 The machine 10 is provided with a reflux channel 110 for recovering suspended matter. When the suspended matter is suspended by oil, the oil needs to be recovered and recycled, and the reflux channel 110 is used to recover the oil flowing from the suspension space, that is, from different suspension tanks 410 to the machine 10, so as to realize recycling.

[0034] See also Figure 8 and Fig. 9 The reflux channel 110 includes a recovery channel 112 disposed on the machine 10, and a reflux hole 111 and an output hole 113 are disposed at both ends of the reflux channel 112, and the reflux hole 111 is connected to the suspension tank 410. When the oil seeping from the suspension space flows toward the machine 10, an oil collecting tank is disposed on the upper surface of the machine 10, and under the action of the oil collecting tank, the oil flows toward the reflux hole 111, and then is output from the output hole 113 through the recovery channel 112 for recovery.

[0035] See also Figure 3 and Figure 6 Each delivery channel 420 is connected to at least one suspension tank 410. The number and setting of the suspension tank 410 are different according to different platform operation requirements. The delivery channel 420 delivers suspended substances such as gas or oil to the suspension tank 410. The number of the delivery channel 420 can be set according to specific requirements. Figure 3 and Figure 4 In the embodiment, the conveying channel 420 can supply the suspended material to the suspension tank 410 in two different directions. Figure 5 and Figure 6 In the embodiment, the delivery channel 420 supplies the suspended matter to only one suspension tank 410 .

[0036] See also Figure 7 In some embodiments, the input end of the delivery channel 210 is connected to a connecting channel 220, the connecting channel 220 is in communication with the main channel 200, one end of the connecting channel 220 away from the delivery channel 210 passes through the moving platform 20 and is open, and a sealing member 230 is provided at the open end of the connecting channel 220. The connecting channel 220 is used to install the throttle 50, and the throttle can be inserted into the connecting channel 220 by removing the sealing member 230, and then the throttle 50 is screwed to the input end of the delivery channel 210.

[0037] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0038] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0039] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and the description are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A displacement platform structure, comprising a machine platform (10), wherein a moving platform (20) is arranged on the machine platform (10) and can move linearly relative to the machine platform (10), wherein a slide rail assembly (30) is arranged on the machine platform (10), wherein a slide rail groove (100) is formed in the slide rail assembly (30), wherein a slider (40) is arranged in the slide rail groove (100), wherein the slider (40) is fixedly connected to the moving platform (20), wherein a suspension space is formed between the slider (40) and the slide rail groove (100), wherein the slider (40) is provided with a plurality of conveying channels (420) which are interconnected with the suspension space, and wherein: The moving platform (20) or the slider (40) is provided with a main channel (200) which is interconnected with the conveying channel (420); one end of the main channel (200) is open for connecting to an external supply device; and a throttle (50) is provided in each of the conveying channels (420).

2. A displacement platform structure according to claim 1, characterized in that: The suspension space comprises suspension grooves (410) provided on both upper and lower side walls and left and right side walls of the slider (40), the suspension grooves (410) are provided with openings on the walls adjacent to the slide rail grooves (100), and the delivery channel (420) is communicated with the suspension grooves (410).

3. A displacement platform structure according to claim 1, characterized in that: The throttle (50) has a connecting flow channel (510) and a pressure reducing flow channel (520) that are interconnected. The diameter of the pressure reducing flow channel (520) is smaller than the diameter of the connecting flow channel (510).

4. A displacement platform structure according to claim 1, characterized in that: The slide rail assembly (30) comprises an outer rail member (310) and an inner rail member (320) which are spaced apart from each other, the outer rail member (310) comprises a first guide rail (311) and a second guide rail (312) which are connected to each other, and the first guide rail (311) is fixedly connected to the machine platform (10); The first guide rail (311) and the inner rail member (320) are respectively arranged on the left and right sides of the slider (40); The second guide rail (312) and the machine platform (10) are respectively arranged on the upper and lower sides of the sliding block (40).

5. A displacement platform structure according to claim 2, characterized in that: The machine (10) is provided with a reflux channel (110) for recovering suspended matter.

6. A displacement platform structure according to claim 5, characterized in that: The reflux channel (110) comprises a recovery channel (112) arranged on the machine platform (10), and a reflux hole (111) and an output hole (113) are arranged at both ends of the recovery channel (112), and the reflux hole (111) is connected to the suspension tank (410).

7. A displacement platform structure according to claim 2, characterized in that: Each delivery channel (420) is connected to at least one suspension tank (410).

8. A displacement platform structure according to any one of claims 1 to 7, characterized in that: The conveying channel (420) is arranged on the moving platform (20), and a conveying channel (210) is arranged on the moving platform (20). One end of the conveying channel (210) is connected to the conveying channel (420) and the other end is connected to the main channel (200). The throttle (50) is arranged at one end of the conveying channel (210) connected to the main channel (200).

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