CN216869500U

CN216869500U - Large-scale air-float type length measuring machine

Info

Publication number: CN216869500U
Application number: CN202220352052.5U
Authority: CN
Inventors: 唐奇林; 鲍勇
Original assignee: Shanghai Yechi Instrument Technology Co ltd
Current assignee: Shanghai Yechi Instrument Technology Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-07-01
Anticipated expiration: 2032-02-21

Abstract

The application relates to the technical field of air-float length measuring machines, in particular to a large air-float length measuring machine, which has the technical scheme that: the sliding device comprises a base, wherein a sliding mechanism is arranged on the base, and a sliding rail for the sliding mechanism to slide is arranged on the base; the sliding mechanism comprises a measuring slide block which is arranged on the slide rail in a sliding manner, and further comprises an air floating assembly arranged in the measuring slide block, the air floating assembly is used for enabling the measuring slide block to be in air floating on the surface of the slide rail, the air floating assembly comprises a horizontal air floating piece arranged above the slide rail and a vertical air floating piece arranged on the outer side wall of the slide rail, and an air floating machine used for providing air floating gas is arranged on one side of the base; the horizontal air floating piece comprises a horizontal air floating plate, a plurality of air floating holes are formed in the horizontal air floating plate, and the horizontal air floating piece further comprises a plurality of horizontal air floating pipes; an air floatation switch is arranged on the measuring slide block, and an adjusting component is also arranged on one side of the measuring slide block; this application is through setting up the air supporting subassembly for measure the slider suspension and remove, improve measurement accuracy's technological effect.

Description

Large-scale air supporting formula length measuring machine

Technical Field

The utility model relates to the technical field of air-float length measuring machines, in particular to a large air-float length measuring machine.

Background

The length measuring machine is an optical length measuring tool which takes the scale of a linear ruler or the wavelength of light as the known length and uses a mechanical measuring head to carry out contact measurement.

The length measuring machine on the market at present adopts the linear motion that linear guide's form realized, and the form that the steel ball rolled is mostly adopted in the linear guide, rolls in slider and slide rail by the steel ball, under the traction of external power for slide rail is at the slider rectilinear reciprocating motion. However, due to the adoption of the linear steel ball movement mode, certain mechanical abrasion exists in the moving process, although the abrasion caused by one linear movement can be ignored, the long-time abrasion can affect the measurement precision, so that the measurement precision of the length measuring machine needs to be improved, the abrasion between the sliding rail and the sliding block needs to be reduced, and the large air-floating type length measuring machine is designed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a large air-floating type length measuring machine.

The technical scheme adopted by the utility model for solving the technical problem is as follows:

a large-scale air-floating type length measuring machine comprises a base, wherein a sliding mechanism arranged in a sliding manner is arranged on the base, and a sliding rail for the sliding mechanism to slide is arranged on the base;

the sliding mechanism comprises a measuring sliding block which is arranged on the sliding rail in a sliding manner, and further comprises an air floating assembly arranged in the measuring sliding block, the air floating assembly is used for enabling the measuring sliding block to be in air floating on the surface of the sliding rail, the air floating assembly comprises a horizontal air floating piece arranged above the sliding rail, and further comprises a vertical air floating piece arranged on the outer side wall of the sliding rail, and an air floating machine used for providing air floating gas is arranged on one side of the base;

the horizontal air floating piece comprises a horizontal air floating plate which is arranged on the bottom wall of the measuring slide block and is opposite to the top wall of the slide rail, a plurality of air floating holes are formed in the horizontal air floating plate, and the horizontal air floating piece further comprises a plurality of horizontal air floating pipes communicated with the air floating holes;

the measuring slide block is provided with an air-floating switch for controlling the air-floating component to be opened and closed, and one side of the measuring slide block is also provided with an adjusting component for controlling the moving speed of the sliding mechanism.

Preferably, horizontal air supporting plate is provided with a plurality ofly and evenly sets up on measuring the slider diapire, and is a plurality of all be equipped with fixing bolt on the horizontal air supporting plate, it sets up to the type of falling U, and is a plurality of horizontal air supporting plate all sets up on measuring the inside horizontal diapire of slider.

Preferably, the measuring slide block is of an inverted U shape, an inner groove is formed in the center of the bottom of the measuring slide block, a sliding table cover plate is fixedly arranged in the inner groove, a measuring groove corresponding to the inner groove is formed in the sliding rail, and a reading head piece vertically arranged in the measuring groove is arranged in the measuring slide block.

Preferably, the vertical air-floating piece comprises an air-floating nozzle arranged in the measuring slide block, a mounting hole for the air-floating nozzle to pass through is formed in the side wall of the measuring slide block, the air-floating nozzle comprises a piston air block penetrating through the mounting hole, the vertical air-floating piece further comprises a vertical air-floating plate arranged on the side wall of the inner groove, a sealing ring groove is formed in the outer side wall of the piston air block, and a sealing ring is arranged in the sealing ring groove;

the side wall of the vertical air floating plate is provided with a plurality of vertical air floating holes, the vertical air floating holes are uniformly arranged on the vertical air floating plate in a penetrating mode, the vertical air floating holes are horizontally arranged in the air floating nozzle in a penetrating mode, and the vertical air floating piece further comprises a vertical air floating pipe used for being connected with an air floating machine.

Preferably, the outer side wall of the measuring slide block is provided with a balancing weight, and the balancing weight is fixedly arranged on one side of the measuring slide block through a bolt.

Preferably, the adjusting component is fixedly arranged on the side wall of the measuring slide block, the adjusting component comprises an adjusting clamp seat, the adjusting clamp seat is fixedly arranged on the side wall of the measuring slide block through a screw rod, the adjusting component further comprises a fine adjustment hand wheel arranged on the adjusting clamp seat, and the adjusting clamp seat is provided with a fine adjustment screw rod connected to the central shaft of the fine adjustment hand wheel.

Preferably, the adjusting clamp seat is further provided with a locking switch, the locking switch is arranged on the outer side wall of the adjusting clamp seat, the locking switch comprises a locking handle arranged on the adjusting clamp seat, and the locking switch further comprises a locking air floating plate arranged on the inner side wall of the bottom wall of the adjusting clamp seat.

Preferably, a plurality of locking air floating holes are uniformly distributed on the locking air floating plate, a plurality of locking air floating pipes connected with the locking air floating holes are further arranged on the adjusting forceps holder, and the locking air floating pipes are connected with the air floating machine.

Preferably, the air-floating switch part comprises a switch cover plate and a switch button arranged on the switch cover plate, and the switch button is used for controlling the working state of the air-floating assembly.

Preferably, still be equipped with the display part on the measuring slider, the display part sets up to the display, the bottom of measuring slider is provided with the base, be equipped with the horizontal adjustment piece of connecting measuring slider bottom on the base, the bottom of horizontal adjustment piece is equipped with a plurality of regulation bracing pieces that carry out the high fine setting.

The utility model has the beneficial effects that:

1. the bottom of the measuring slide block is provided with the horizontal air floating piece, and the whole measuring slide block is suspended on the slide rail by utilizing the principle of air floating reverse pushing, so that the measuring slide block and the slide rail are not abraded in the process of moving the measuring slide block, the measuring accuracy is improved, and the service life of the whole length measuring machine is prolonged;

2. the vertical air floating piece is arranged to strengthen the stability of the measuring slide block on the slide rail, so that the measuring slide block can only move along the length direction of the slide rail, and meanwhile, the adjusting assembly is arranged to finely adjust the measuring slide block, so that the measuring precision is further improved;

3. the air-floating assembly arranged in the measuring slide block is controlled by utilizing the arrangement of an air-floating switch, so that the measuring slide block is in a closed state when not working and is in an open state when working, and the measured measuring slide block is fixed by arranging a locking handle on the side wall of the adjusting clamp seat, thereby improving the stability in the reading process;

4. the vertical air floating piece with the piston type structure is utilized, when the air floating assembly on the measuring slide block is opened and closed, the sealing ring is arranged, so that the measuring slide block slowly rises and falls, the abrasion between the measuring slide block and the sliding rail is reduced, and the service life of the length measuring machine is prolonged.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic view of a partial cross-sectional structure of an embodiment of the present application;

FIG. 3 is a cross-sectional view of the internal structure of an air bearing assembly in accordance with an embodiment of the present application;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is a schematic view of another angular overall structure of an air bearing assembly according to an embodiment of the present disclosure.

Wherein, 1, a base; 11. a slide rail; 12. a measuring tank; 13. a reading head piece; 2. a sliding mechanism; 21. a measuring slide block; 22. an inner groove; 23. a slipway cover plate; 24. a balancing weight; 3. an air flotation assembly; 31. a horizontal air bearing member; 311. a horizontal air bearing plate; 312. horizontal air flotation holes; 313. a horizontal gas floating pipe; 32. a vertical air bearing member; 321. an air floatation nozzle; 322. a vertical air bearing plate; 323. vertical air flotation holes; 324. a piston air mass; 325. sealing the ring groove; 326. a seal ring; 327. a piston chamber; 329. mounting holes; 4. an air flotation switch; 41. a switch cover plate; 42. a switch button; 5. an adjustment assembly; 51. adjusting the clamp seat; 52. finely adjusting a hand wheel; 53. fine adjustment of the screw rod; 6. a locking switch; 61. locking the handle; 62. locking the air floating plate; 63. locking the air floatation holes; 64. locking the air floating pipe; 7. a display member; 71. a display; 8. a base; 81. a horizontal adjusting block; 82. the support rod is adjusted.

Detailed Description

In order to enhance the understanding of the present invention, the present invention will be described in further detail with reference to the following examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.

Example (b):

referring to fig. 1 and 2, the application discloses a large-scale air supporting type length measuring machine, including base 1, be equipped with glide machanism 2 on the base 1, glide machanism 2 includes measuring slider 21, be equipped with on the base 1 and supply glide machanism 2 directional gliding slide rail 11, glide machanism 2 still includes the air supporting subassembly 3 that sets up in measuring slider 21, air supporting subassembly 3 is used for making measuring slider 21 suspend at measuring slider 21 air supporting on slide rail 11 is surperficial, and then make measuring slider 21 at the in-process that removes, the wearing and tearing of measuring slider 21 and slide rail 11 are zero, and then make the measurement accuracy of measuring machine obtain improving, simultaneously because nonexistent wearing and tearing, also make the life-span of measuring machine increase.

Referring to fig. 2 to 4, the air floating assembly 3 includes a horizontal air floating member 31 and a vertical air floating member 32, the measuring slide 21 is disposed in an inverted U shape, and the bottom of the measuring slide 21 forms a U-shaped groove, and the bottom wall of the U-shaped groove wraps the top and two side walls of the slide rail 11. The horizontal air floating piece 31 is arranged on the bottom horizontal side wall of the measuring slide block 21, and the horizontal air floating piece 31 and the top wall of the slide rail 11 are horizontally arranged. Horizontal air supporting member 31 is including setting up the horizontal air supporting plate 311 that sets up on measuring the slider 21 diapire relative with slide rail 11 roof, and horizontal air supporting plate 311 is provided with a plurality ofly and fixed through fixing bolt, is equipped with evenly distributed's horizontal air supporting hole 312 on a plurality of horizontal air supporting plate 311, and horizontal air supporting member 31 still includes the horizontal air supporting pipe 313 in a plurality of intercommunication horizontal air supporting holes 312. Base 1 one side is equipped with the air supporting machine that is used for providing the air supporting gas, pass through the air supporting machine of pipe connection with a plurality of horizontal air supporting pipes 313, make the air supporting machine let in gas to horizontal air supporting pipe 313, gas is through horizontal air supporting pipe 313 to flow to horizontal air supporting hole 312, spun gas sprays on the roof of slide rail 11 in the horizontal air supporting hole 312, make whole measuring slide 21 suspend in the slide rail 11 top under gaseous promotion, and then promote the in-process of measuring slide 21, because the bottom of measuring slide 21 does not contact with the top of slide rail 11, consequently, there is not wearing and tearing phenomenon, make the whole measurement accuracy of whole measuring machine obtain the guarantee.

Referring to fig. 2 to 4, the vertical air-floating member 32 includes an air-floating nozzle 321 disposed on the side wall of the inner cavity 22, the air-floating nozzle 321, and a mounting hole 329 disposed on the side wall of the measuring slider 21 for the air-floating nozzle 321 to pass through, the air-floating nozzle 321 includes a piston air block 324 and a vertical air-floating plate 322, the piston air block 324 passes through the mounting hole 329, the piston air block 324 and the vertical air-floating plate 322 are integrally formed, and the sidewall of the vertical air floating plate 322 is provided with a plurality of vertical air floating holes 323 which are evenly distributed, the vertical air floating member 32 further comprises a vertical air floating pipe which is used for connecting an air floating machine, the vertical air floating pipe is connected with the air floating machine through a pipeline, so that the gas flows into the piston air block 324 through the vertical air floating pipe, and then is ejected from the vertical air floating holes 323 arranged on the vertical air floating plate 322, so that the stability of the whole measuring slide 21 on the slide rail 11 is improved and the slide rail 11 can only move along the length direction of the slide rail 11.

Meanwhile, a sealing ring groove 325 is formed in the outer side wall of the piston air block 324, a sealing ring 326 is arranged in the sealing ring groove 325, the outer side wall of the sealing ring 326 is abutted to the inside of the mounting hole 329, and the sealing performance of connection between the piston air block 324 and the mounting hole 329 is improved. A piston chamber 327 is formed in the mounting hole 329 and the piston air block 324, a communicating pipe for connecting an air floatation machine is arranged at the top of the piston chamber 327, air is blown into the piston chamber 327 by the communicating pipe, the air is blown to the outer side wall of the slide rail 11 from the vertical air floatation pipe, and meanwhile, the piston chamber 327 slowly moves in the mounting hole 329 under the pressure of air pressure and slowly recovers the original shape after being closed. The vertical air-bearing member 32 is arranged in a piston-type structure, and the main function of the vertical air-bearing member is to prevent the whole measuring slide 21 from being lifted up or falling down rapidly due to the sealing ring 326 mounted on the outer side wall of the piston air block 324 when the air-bearing assembly 3 is opened and closed, and to reduce the scratch of the measuring slide 21 on the surface of the slide rail 11 due to the excessive speed when the measuring slide 21 is started. The traditional air floating plate is assembled by a disc-shaped gasket, and because a piston-type structure is not adopted, the friction between the traditional air floating plate and the sliding rail 11 is large when the traditional air floating plate is closed, and the measurement precision is influenced after a long time.

Referring to fig. 4 and 5, a counterweight block 24 is arranged on the measuring slide block 21, the counterweight block 24 is fixedly arranged on one side of the measuring slide block 21 through a bolt, the counterweight block 24 is arranged on two sides of the slide block, and the stability of the measuring slide block 21 in an air floatation state is further improved by the arrangement of the counterweight block 24. The measurement slide block 21 is further provided with an air float switch 4 for controlling the air float assembly 3 to be turned on and off, the air float switch 4 comprises a switch cover plate 41 and a switch button 42, and the switch button 42 is used for controlling the working state of the air float assembly 3. And one side of the measuring slide block 21 is also provided with an adjusting component 5 for controlling the moving speed of the sliding mechanism 2. The adjusting component 5 is fixedly arranged on the side wall of the measuring slide block 21, the adjusting component 5 comprises an adjusting clamp seat 51, the adjusting clamp seat 51 is fixedly arranged on the side wall of the measuring slide block 21 through a screw rod, the adjusting component 5 further comprises a fine adjustment hand wheel 52 and a fine adjustment screw rod 53 which are arranged on the adjusting clamp seat 51, and the fine adjustment screw rod 53 is arranged in the measuring slide block 21 and is positioned at the central shaft of the fine adjustment hand wheel.

Adjust and still be equipped with locking switch 6 on the pincers seat 51, locking switch 6 sets up on the lateral wall of adjusting pincers seat 51, locking switch 6 is including setting up the locking handle 61 on adjusting pincers seat 51, utilize locking handle 61 to carry out fixed processing to measuring slider 21 after measuring, locking switch 6 is still including setting up the locking air supporting plate 62 on adjusting pincers seat 51 diapire inside wall, be equipped with a plurality of evenly distributed's locking air supporting hole 63 on the locking air supporting plate 62, it still is equipped with a plurality of locking air supporting pipes 64 of connecting locking air supporting hole 63 to adjust pincers seat 51, the air supporting machine is connected to a plurality of locking air supporting pipes 64.

Referring to fig. 1 to 5, the bottom center of the measurement slider 21 of the type of falling U goes out and is provided with inner grove 22, the fixed slip table apron 23 that is provided with in inner grove 22, be equipped with the measurement groove 12 that corresponds inner grove 22 on the slide rail 11, be equipped with the reading head 13 in the vertical setting measurement groove 12 in the measurement slider 21, reading head 13 carries out numerical measurement in measurement groove 12, rotate locking handle 61 during the measurement for it is fixed to measure slider 21, improve the accuracy nature that reading head 13 measured.

The measuring slide 21 is further provided with a display part 7, the display part 7 is arranged as a display 71, and the display 71 is used for displaying the measuring data of the reading head part 13. The bottom of measuring slider 21 is provided with base 1, is equipped with the horizontal adjustment piece 81 of connecting the bottom of measuring slider 21 on the base 1, and horizontal adjustment piece 81 bottom is equipped with a plurality of regulation bracing pieces 82 that carry out the high fine setting.

The above embodiments should not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent transformations fall within the protection scope of the present invention.

Claims

1. A large-scale air supporting formula length measuring machine which characterized in that: the device comprises a base (1), wherein a sliding mechanism (2) arranged in a sliding manner is arranged on the base (1), and a sliding rail (11) for the sliding mechanism (2) to slide is arranged on the base (1);

the sliding mechanism (2) comprises a measuring slide block (21) which is arranged on the slide rail (11) in a sliding manner, and further comprises an air floating assembly (3) which is arranged in the measuring slide block (21), wherein the air floating assembly (3) is used for air floating the measuring slide block (21) on the surface of the slide rail (11), the air floating assembly (3) comprises a horizontal air floating piece (31) which is arranged above the slide rail (11), and further comprises a vertical air floating piece (32) which is arranged on the outer side wall of the slide rail (11), and one side of the base (1) is provided with an air floating machine which is used for providing air floating gas;

the horizontal air floating piece (31) comprises a horizontal air floating plate (311) which is arranged on the bottom wall of the measuring slide block (21) and is opposite to the top wall of the slide rail (11), a plurality of horizontal air floating holes (312) are formed in the horizontal air floating plate (311), and the horizontal air floating piece (31) further comprises a plurality of horizontal air floating pipes (313) communicated with the horizontal air floating holes (312);

the measuring slide block (21) is provided with an air-float switch (4) for controlling the opening and closing of the air-float component (3), and one side of the measuring slide block (21) is also provided with an adjusting component (5) for controlling the moving speed of the sliding mechanism (2).

2. A large air-floating length measuring machine according to claim 1, characterized in that: horizontal gas floating plate (311) are provided with a plurality ofly and evenly set up on measuring slider (21) diapire, and are a plurality of all be equipped with fixing bolt on horizontal gas floating plate (311), it sets up to the type of falling U to measure slider (21), and is a plurality of horizontal gas floating plate (311) all set up on measuring the inside horizontal diapire of slider (21).

3. A large air-floating length measuring machine according to claim 2, characterized in that: the type of falling U it is provided with inner groovy (22) to measure slider (21) bottom center play, fixed slip table apron (23) that is provided with in inner groovy (22), be equipped with measurement groove (12) that correspond inner groovy (22) on slide rail (11), be equipped with reading head spare (13) in vertical setting measurement groove (12) in measuring slider (21).

4. A large air-float length measuring machine according to claim 3, characterized in that: the vertical air floating piece (32) comprises an air floating nozzle (321) arranged in a measuring slide block (21), a mounting hole (329) for the air floating nozzle (321) to penetrate through is formed in the side wall of the measuring slide block (21), the air floating nozzle (321) comprises a piston air block (324) arranged in the mounting hole (329) in a penetrating mode, the vertical air floating plate (322) is arranged on the side wall of an inner groove (22), a sealing ring groove (325) is formed in the outer side wall of the piston air block (324), and a sealing ring (326) is arranged in the sealing ring groove (325);

the side wall of the vertical air floating plate (322) is provided with a plurality of vertical air floating holes (323), the vertical air floating holes (323) are uniformly arranged on the vertical air floating plate (322) in a penetrating way, the vertical air floating holes (323) are horizontally arranged in the air floating nozzle (321) in a penetrating way, and the vertical air floating piece (32) further comprises a vertical air floating pipe used for being connected with an air floating machine.

5. A large air-floating length measuring machine according to claim 4, characterized in that: the outer side wall of the measuring sliding block (21) is provided with a balancing weight (24), and the balancing weight (24) is fixedly arranged on one side of the measuring sliding block (21) through a bolt.

6. A large air-floating length measuring machine according to claim 1, characterized in that: the adjusting component (5) is fixedly arranged on the side wall of the measuring slide block (21), the adjusting component (5) comprises an adjusting clamp seat (51), the adjusting clamp seat (51) is fixedly arranged on the side wall of the measuring slide block (21) through a screw rod, the adjusting component (5) further comprises a fine adjustment hand wheel (52) arranged on the adjusting clamp seat (51), and the adjusting clamp seat (51) is provided with a fine adjustment screw rod (53) connected to the center shaft of the fine adjustment hand wheel (52).

7. A large air-floating length measuring machine according to claim 6, characterized in that: the adjustable clamp is characterized in that a locking switch (6) is further arranged on the adjustable clamp seat (51), the locking switch (6) is arranged on the outer side wall of the adjustable clamp seat (51), the locking switch (6) comprises a locking handle (61) arranged on the adjustable clamp seat (51), and the locking switch (6) further comprises a locking air floating plate (62) arranged on the inner side wall of the bottom wall of the adjustable clamp seat (51).

8. A large air-floating length measuring machine according to claim 7, characterized in that: the locking air floating mechanism is characterized in that a plurality of locking air floating holes (63) which are uniformly distributed are formed in the locking air floating plate (62), a plurality of locking air floating pipes (64) which are connected with the locking air floating holes (63) are further arranged on the adjusting clamp seat (51), and the locking air floating pipes (64) are connected with an air floating machine.

9. A large air-floating length measuring machine according to claim 1, characterized in that: the air floatation switch (4) comprises a switch cover plate (41) and a switch button (42) arranged on the switch cover plate (41), wherein the switch button (42) is used for controlling the working state of the air floatation assembly (3).

10. A large air-float length measuring machine according to claim 1, characterized in that: the measuring slide block (21) is further provided with a display part (7), the display part (7) is arranged to be a display (71), the bottom of the measuring slide block (21) is provided with a base (8), a horizontal adjusting block (81) connected with the bottom of the measuring slide block (21) is arranged on the base (8), and the bottom of the horizontal adjusting block (81) is provided with a plurality of adjusting support rods (82) for fine adjustment of height.