Linear importer capable of accurately reading

Abstract

The utility model relates to the technical field of vacuum equipment, in particular to a linear importer capable of accurately reading, which comprises a first guide post and a second guide post which are arranged between a top plate and a bottom plate, a first copper sleeve is sleeved at the outer end of the first guide post, a second copper sleeve is sleeved at the outer end of the second guide post, and a fixing sleeve is arranged at the outer end of the second copper sleeve. A height adjusting lead screw is further installed between the top plate and the bottom plate through a bearing, one end of the height adjusting lead screw is connected with a rotating piece, the outer end of the height adjusting lead screw is in threaded connection with a T-shaped nut, one side of the T-shaped nut and one side of the fixing sleeve are connected with a movable plate, and a welding corrugated pipe is arranged on one side of the movable plate. According to the utility model, the operation is convenient through the arranged linear lead-in device; the overall size is small, and space is not occupied; the journey can be customized according to customer requirements; a standard CF flange interface is compatible with ultrahigh vacuum; high temperature resistance, aging resistance, high precision and strong repeatability are realized; linear driving is smooth, sealing performance is good, and position control is accurate.

Description

Technical Field

[0001] This utility model belongs to the field of vacuum equipment technology, and specifically relates to a linear inductor capable of accurate readings. Background Technology

[0002] The technical field of linear guides mainly belongs to the field of vacuum equipment technology. This field involves the application of vacuum technology, especially in situations where it is necessary to control the linear displacement and movement of workpieces in a vacuum. Linear guides are widely used in vacuum instruments and equipment to achieve precise linear motion control.

[0003] The existing linear inductor is mainly composed of components such as drive shaft, flange, bearing, lead screw, and T-nut. It converts the rotational motion of the lead screw and T-nut into linear motion. The current linear inductor has problems such as insufficient precision, high motion resistance, short service life, and cannot operate normally in ultra-high vacuum environment. Utility Model Content

[0004] The purpose of this invention is to provide a linear inductor capable of accurate readings, thereby solving the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A linear inlet device capable of accurate readings includes:

[0007] Guide posts one and two are installed between the top plate and the bottom plate. The outer end of guide post one is fitted with a copper sleeve one, and the outer end of guide post two is fitted with a copper sleeve two. A fixing sleeve is provided at the outer end of copper sleeve two. Copper sleeve two is made of graphite copper. A height adjusting screw is also installed between the top plate and the bottom plate via a bearing. The height adjusting screw is located between guide post one and guide post two. One end of the height adjusting screw is connected to a rotating component to drive the height adjusting screw to rotate. A T-nut is threadedly connected to the outer end of the height adjusting screw. The copper sleeve one and the fixing sleeve... The sleeve is connected to the T-nut. A movable plate is connected to one side of the T-nut and the fixed sleeve. The movable plate moves in the same direction as the fixed sleeve. When moving in a straight line, the lower part of the fixed sleeve and the upper part of the base plate together determine the stroke range of the linear drive. A welded bellows is provided on one side of the movable plate. When the rotating part is rotated, the rotational motion of the height adjusting screw and the T-nut through the threaded engagement can be converted into linear motion, thereby driving the movable plate to move in a straight line along the guide post one and guide post two. During the movement, the displacement can be accurately read by reading the narrow steel ruler.

[0008] Preferably, a narrow steel ruler is provided on one side of the height adjustment screw to allow for accurate displacement readings during movement.

[0009] Preferably, the rotating member is provided as a hand wheel, and an anti-skid layer is provided on the hand wheel to prevent skidding.

[0010] Preferably, the upper end of the welded corrugated pipe is connected with the moving plate through an inner welding flange, and the lower end of the welded corrugated pipe is connected with the bottom plate through an inner welding flange, so that the upper end of the welded corrugated pipe can be moved vertically when the moving plate is moved vertically.

[0011] Preferably, the bearing is provided as a planar thrust ball bearing.

[0012] Preferably, the guide column one and the guide column two are connected with the top plate and the bottom plate through bolts to realize installation and fixation.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. Easy operation;

[0015] 2. Small overall volume, not occupying space;

[0016] 3. Stroke can be customized according to customer requirements;

[0017] 4. Standard CF flange interface, ultra-high vacuum compatibility;

[0018] 5. High temperature resistance, aging resistance, high precision, strong repeatability;

[0019] 6. Smooth straight-line driving, good sealing performance, and accurate position control. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the utility model;

[0021] In the drawing: 1, hand wheel; 2, planar thrust ball bearing; 3, T-shaped nut; 4, copper sleeve one; 5, guide column one; 6, reading narrow steel ruler; 7, height adjusting screw; 8, bottom plate; 9, top plate; 11, moving plate; 12, copper sleeve two; 13, fixed sleeve; 14, guide column two; 15, welded corrugated pipe; 16, inner welding flange. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Embodiment:

[0024] Referring to Figure 1 As shown in the figure, a straight-line guide capable of accurate reading includes:

[0025] The guide column one 5 and the guide column two 14 are installed between the top plate 9 and the bottom plate 8, the guide column one 5 and the guide column two 14 ensure that the driving mechanism realizes linear motion, the outer end of the guide column one 5 is sleeved with a copper sleeve one 4, the outer end of the guide column two 14 is sleeved with a copper sleeve two 12, the outer end of the copper sleeve two 12 is provided with a fixed sleeve 13, the copper sleeve two 12 is provided as a graphite copper sleeve, a height adjusting lead screw 7 is further installed between the top plate 9 and the bottom plate 8 through a bearing, the height adjusting lead screw 7 is located between the guide column one 5 and the guide column two 14, one end of the height adjusting lead screw 7 is connected with a rotating part for driving the height adjusting lead screw 7 to rotate, the outer end of the height adjusting lead screw 7 is threadedly connected with a T-shaped nut 3, the copper sleeve one 4 and the fixed sleeve 13 are connected with the T-shaped nut 3, one side of the T-shaped nut 3 and the fixed sleeve 13 is connected with a moving plate 11, the moving plate 11 is consistent with the movement track of the fixed sleeve 13, when linear motion is performed, the lower side of the fixed sleeve 13 and the upper side of the bottom plate 8 together determine the stroke range of linear driving, one side of the moving plate 11 is provided with a welded corrugated pipe 15, when the rotating part is rotated, the rotating motion of the height adjusting lead screw 7 and the T-shaped nut 3 through thread cooperation can be converted into linear motion, so as to drive the moving plate 11 to perform linear motion along the guide column one 5 and the guide column two 14, and displacement accurate reading can be performed during the movement process through the reading narrow steel ruler 6.

[0026] Referring to Figure 1 As shown in the figure, one side of the height adjusting lead screw 7 is provided with the reading narrow steel ruler 6, which can perform displacement accurate reading during movement.

[0027] Referring to Figure 1 As shown in the figure, the rotating part is provided as a hand wheel 1, which is convenient to rotate and simple to operate, and the hand wheel 1 is provided with an anti-skid layer to play an anti-skid role.

[0028] Referring to Figure 1 As shown in the figure, the upper end of the welded corrugated pipe 15 is connected with the moving plate 11 through an inner welding flange 16, the lower end of the welded corrugated pipe 15 is connected with the bottom plate 8 through the inner welding flange 16, when the moving plate 11 performs vertical movement, the upper end of the welded corrugated pipe 15 can be driven to perform vertical movement, the inner welding flange 16 is a standard CF flange, and has a standard CF flange interface.

[0029] Referring to Figure 1 As shown in the figure, the bearing is provided as a plane thrust ball bearing 2.

[0030] Referring to Figure 1 As shown in the figure, the guide column one 5 and the guide column two 14 are connected with the top plate 9 and the bottom plate 8 through bolts to realize installation and fixation.

[0031] The utility model discloses the beneficial effect is:

[0032] 1. Easy operation;

[0033] 2. Small overall volume, not space;

[0034] 3. The stroke can be customized according to customer requirements;

[0035] 4. Standard CF flange interface, ultra-high vacuum compatibility;

[0036] 5. High temperature resistance, aging resistance, high precision, strong repeatability;

[0037] 6. Smooth linear drive, good sealing performance, accurate position control.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A linear introducer capable of accurate readings, characterized by, The utility model relates to a height-adjustable platform, which comprises: a guide column one (5) and a guide column two (14) installed between a top plate (9) and a bottom plate (8), an outer end of the guide column one (5) is sleeved with a copper sleeve one (4), an outer end of the guide column two (14) is sleeved with a copper sleeve two (12), an outer end of the copper sleeve two (12) is provided with a fixing sleeve (13), a height-adjusting screw rod (7) is further installed between the top plate (9) and the bottom plate (8) through a bearing, the height-adjusting screw rod (7) is located between the guide column one (5) and the guide column two (14), one end of the height-adjusting screw rod (7) is connected with a rotating part, an outer end of the height-adjusting screw rod (7) is threadedly connected with a T-shaped nut (3), the copper sleeve one (4) and the fixing sleeve (13) are connected with the T-shaped nut (3), the T-shaped nut (3) and the fixing sleeve (13) are connected with a moving plate (11) on one side, the moving plate (11) is provided with a welded corrugated pipe (15) on one side.

2. A linear introducer capable of accurate readings according to claim 1, wherein: One side of the height-adjusting screw rod (7) is provided with a reading narrow steel ruler (6).

3. A linear introducer capable of accurate readings as in claim 2, wherein: The rotating part is a hand wheel (1).

4. A linear introducer capable of accurate readings as in claim 3, wherein: An upper end of the welded corrugated pipe (15) is connected with the moving plate (11) through an inner welding flange (16), and a lower end of the welded corrugated pipe (15) is connected with the bottom plate (8) through an inner welding flange (16).

5. The linear introducer capable of accurate readings of claim 1, wherein: The bearing is a plane thrust ball bearing (2).

6. The linear introducer capable of accurate readings of claim 1, wherein: The guide column one (5) and the guide column two (14) are connected with the top plate (9) and the bottom plate (8) through bolts.

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