CN217900771U

CN217900771U - Mobile scanning type omnibearing straightness measuring instrument

Info

Publication number: CN217900771U
Application number: CN202221185116.3U
Authority: CN
Inventors: 金京
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-11-25
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses an all-round straightness accuracy measuring apparatu of mobile scanning formula relates to and measures technical field. The utility model comprises a bottom frame, wherein both ends of the upper end of the bottom frame are provided with fastening components which are used for fixing a measured workpiece; the fastening assembly comprises a placing plate, a fixing frame, a clamping plate, an end plate, a driving screw and a driving motor, wherein the fixing frame is fixed at the two ends of the lower end of the placing plate, the placing plate is fixed with the bottom frame through the fixing frame, and the middle of the placing plate is provided with a sliding groove. The utility model discloses a multi-structure's cooperation design makes device accessible adjustable shelf remove to measure the spatial position of measurand work piece through first laser displacement sensor and second laser displacement sensor, realized automatic straightness accuracy high accuracy and detected, improved straightness accuracy measuring detection efficiency, eliminated the measuring error that manual detection straightness accuracy's human factor caused, can effectively reduce operating personnel intensity.

Description

Mobile scanning type omnibearing linearity measuring instrument

Technical Field

The utility model belongs to the technical field of measure, especially relate to an all-round straightness accuracy measuring apparatu of mobile scanning formula.

Background

Straightness is an important geometrical element for characterizing the shape error of a workpiece or a raw material, and directly influences the performance and quality of the workpiece or the raw material. The straightness detection of the bar or the pipe is an important component in the process of machining a precise bar or pipe workpiece and a raw material, and is an important means for controlling and managing the quality of the workpiece;

the existing straightness detection adopts a platform and is manually checked, but the manual checking has high requirements on the technical capability of operators, and the measurement result is greatly influenced by human factors; the labor intensity of operators is high and the detection efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an all-round straightness accuracy measuring apparatu of mobile scanning formula to solve the problem of mentioning in the background art.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: a mobile scanning type omnibearing straightness measuring instrument comprises a bottom frame, wherein fastening components are arranged at two ends of the upper end of the bottom frame and used for fixing a measured workpiece; the fastening assembly comprises a placing plate, a fixing frame, clamping plates, end plates, driving screws and driving motors, wherein the fixing frame is fixed at two ends of the lower end of the placing plate, the placing plate is fixed with the bottom frame through the fixing frame, a sliding groove is formed in the middle of the placing plate, the two clamping plates are symmetrically arranged in the sliding groove, the end plates are fixed at the positions, located at two ends of the placing plate, of the upper end of the bottom frame, the driving screws are rotatably connected between the two end plates, the driving motor is fixed on the outer side of one of the end plates, an output unit of the driving motor is fixed with the driving screws, the lower ends of the two clamping plates are in threaded connection with the driving screws, and the thread directions of two ends of the driving screws are opposite;

still be provided with the adjustable shelf on the chassis, be provided with first laser displacement sensor and second laser displacement sensor on the adjustable shelf respectively, the lower extreme and the chassis swing joint at adjustable shelf both ends, the junction of adjustable shelf and chassis is provided with linear guide, the adjustable shelf passes through linear guide and follows chassis length direction walking.

Furthermore, the anti-skid plates are arranged on the sides, close to each other, of the two clamping plates and are used for reducing the abrasion of the clamping plates to the measured workpiece.

Further, one side that the antiskid ribbed tile is close to splint is provided with the rubber tape, the both ends of rubber tape are fixed with the both ends of antiskid ribbed tile, the rubber tape cup joints in the outside of splint, spacing draw-in groove has all been seted up at the both ends of splint, the both ends of rubber tape all are located spacing draw-in groove inboard.

Furthermore, a plurality of support frames are arranged in the middle of the upper end of the underframe and along the length direction.

Furthermore, the upper end of the movable frame is slidably connected with a first connecting frame, the lower end of the first connecting frame is fixedly provided with a first laser displacement sensor, the upper end of the first connecting frame is in threaded connection with a first fastening knob, and the lower end of the first fastening knob penetrates through the first connecting frame and is tightly attached to the movable frame; the side sliding connection of adjustable shelf has the second link, one side that the second link is close to the chassis is fixed with second laser displacement sensor, one side threaded connection that the chassis was kept away from to the second link has second fastening knob, the one end of second fastening knob runs through the second link and closely laminates with the adjustable shelf.

Further, the first laser displacement sensor and the second laser displacement sensor are arranged at ninety degrees, and the first laser displacement sensor and the bottom frame are arranged vertically.

The utility model discloses following beneficial effect has:

1. the utility model discloses a multi-structure's cooperation design makes device accessible adjustable shelf remove to measure the spatial position of measurand work piece through first laser displacement sensor and second laser displacement sensor, realized automatic straightness accuracy high accuracy and detected, improved straightness accuracy measuring detection efficiency, eliminated the measuring error that manual detection straightness accuracy's human factor caused, can effectively reduce operating personnel intensity.

2. The utility model discloses a structural design of splint for two splint are fixed regularly to the measured work piece clamp fastening, through the reducible splint of antiskid ribbed tile to splint to the wearing and tearing of measured work piece, and through the connected mode of antiskid ribbed tile and splint, make the installation of antiskid ribbed tile, dismantle or change comparatively convenient and fast.

3. The utility model discloses a connection structure design of first laser displacement sensor, second laser displacement sensor and adjustable shelf for first laser displacement sensor and second laser displacement sensor can adjust its position according to the user demand, improve the adaptability of device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the fastening assembly of the present invention;

FIG. 3 is a schematic view of the connecting structure of the clamping plate and the anti-slip plate of the present invention;

fig. 4 is the connection structure diagram of the movable frame, the first laser displacement sensor and the second laser displacement sensor of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a chassis; 2. a fastening assembly; 3. a support frame; 4. a movable frame; 5. placing the plate; 6. a fixed mount; 7. a splint; 8. an end plate; 9. a drive screw; 10. a drive motor; 11. an anti-skid plate; 12. a limiting clamping groove; 13. a rubber belt; 14. a first connecting frame; 15. a first laser displacement sensor; 16. a first fastening knob; 17. a second link frame; 18. a second laser displacement sensor; 19. and a second fastening knob.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention relates to a mobile scanning type all-dimensional straightness measuring instrument, which comprises a bottom frame 1, wherein fastening components 2 are disposed at both ends of the upper end of the bottom frame 1, and the fastening components 2 are used for fixing a workpiece to be measured; the middle part of the upper end of the underframe 1 is provided with a plurality of support frames 3 along the length direction, and the middle part of a workpiece to be measured is supported by the plurality of support frames 3 to prevent the workpiece to be measured from falling to influence the measurement result;

specifically, the fastening assembly 2 comprises a placing plate 5, a fixing frame 6, clamping plates 7, end plates 8, driving screws 9 and driving motors 10, wherein the fixing frame 6 is fixed at both ends of the lower end of the placing plate 5, the placing plate 5 is fixed with the underframe 1 through the fixing frame 6, a sliding chute is formed in the middle of the placing plate 5, the two clamping plates 7 are symmetrically arranged in the sliding chute, the end plates 8 are fixed at both ends of the placing plate 5 at the upper end of the underframe 1, the driving screws 9 are rotatably connected between the two end plates 8, the driving motor 10 is fixed on the outer side of one end plate 8, an output unit of the driving motor 10 is fixed with the driving screws 9, the lower ends of the two clamping plates 7 are both in threaded connection with the driving screws 9, and the thread turning directions of both ends of the driving screws 9 are opposite;

in conclusion, the two ends of the workpiece to be measured can be fixed through the fastening assembly 2 before the workpiece to be measured is measured, the sliding of the workpiece to be measured is prevented from affecting the measurement result during measurement, the end part of the workpiece to be measured is placed between the two clamping plates 7 at the upper end of the placing plate 5, the driving motor 10 is started to drive the driving screw 9 to rotate, the two clamping plates 7 are driven to approach or separate from each other through the threads with opposite rotation directions at the two ends of the driving screw 9, and the two clamping plates 7 approach each other through the threaded connection of the clamping plates 7 and the driving screw 9, so that the end part of the workpiece to be measured placed at the upper end of the placing plate 5 is clamped and fixed, and the fixing effect on the workpiece to be measured is realized;

wherein, one side that two splint 7 are close to each other all is provided with antiskid ribbed tile 11, antiskid ribbed tile 11 is used for reducing splint 7 to the wearing and tearing of measurand work piece, one side that antiskid ribbed tile 11 is close to near splint 7 is provided with rubber tape 13, the both ends of rubber tape 13 are fixed with antiskid ribbed tile 11's both ends, rubber tape 13 cup joints in splint 7's the outside, spacing draw-in groove 12 has all been seted up at splint 7's both ends, the both ends of rubber tape 13 all are located spacing draw-in groove 12 inboardly, carry on spacingly through spacing draw-in groove 12 to rubber tape 13 tip, thereby avoid taking place to remove with the antiskid ribbed tile 11 that rubber tape 13 links to each other, also make antiskid ribbed tile 11's installation through rubber tape 13 material elasticity, it is comparatively convenient to dismantle or change.

Still be provided with adjustable shelf 4 on chassis 1, be provided with first laser displacement sensor 15 and second laser displacement sensor 18 on the adjustable shelf 4 respectively, wherein, first laser displacement sensor 15 and second laser displacement sensor 18 are ninety degrees settings, first laser displacement sensor 15 is perpendicular setting with chassis 1, the lower extreme and the 1 swing joint of chassis at adjustable shelf 4 both ends, adjustable shelf 4 is provided with linear guide with chassis 1's junction, adjustable shelf 4 walks along 1 length direction of chassis through linear guide. When the movable frame 4 moves, the upper surface and the side surface of the workpiece to be measured are measured through the first laser displacement sensor 15 and the second laser displacement sensor 18 on the movable frame 4, and a straightness error value of the workpiece to be measured is obtained according to data change measured by the first laser displacement sensor 15 and the second laser displacement sensor 18.

Specifically, the upper end of the movable frame 4 is slidably connected with a first connecting frame 14, the lower end of the first connecting frame 14 is fixed with a first laser displacement sensor 15, the upper end of the first connecting frame 14 is in threaded connection with a first fastening knob 16, and the lower end of the first fastening knob 16 penetrates through the first connecting frame 14 and is tightly attached to the movable frame 4; the side end of the movable frame 4 is slidably connected with a second connecting frame 17, one side of the second connecting frame 17 close to the bottom frame 1 is fixed with a second laser displacement sensor 18, one side of the second connecting frame 17 far away from the bottom frame 1 is in threaded connection with a second fastening knob 19, and one end of the second fastening knob 19 penetrates through the second connecting frame 17 and is tightly attached to the movable frame 4.

When the horizontal position of the first laser displacement sensor 15 needs to be adjusted according to the use requirement, the friction force between the first fastening knob 16 and the movable frame 4 is reduced by loosening the first fastening knob 16, so that the first connecting frame 14 is not limited and can move, the horizontal position of the first laser displacement sensor 15 is adjusted by moving the first connecting frame 14, and after the adjustment, the friction force between the first fastening knob 16 and the movable frame 4 is increased by screwing the first fastening knob 16, so that the first connecting frame 14 is limited;

when the vertical position of the second laser displacement sensor 18 is required to be adjusted according to the use requirement, the second fastening knob 19 is loosened to reduce the friction force between the second fastening knob 19 and the movable frame 4, so that the second connecting frame 17 is not limited and can move, the second connecting frame 17 is moved to adjust the vertical position of the second laser displacement sensor 18, and after the adjustment, the second fastening knob 19 is screwed to increase the friction force between the second fastening knob 19 and the movable frame 4, so that the second laser displacement sensor 18 is limited.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an all-round straightness accuracy measuring apparatu of removal scanning formula, includes chassis (1), its characterized in that: fastening components (2) are arranged at two ends of the upper end of the underframe (1), and the fastening components (2) are used for fixing a workpiece to be measured; the fastening assembly (2) comprises a placing plate (5), a fixing frame (6), clamping plates (7), end plates (8), driving screws (9) and a driving motor (10), wherein the fixing frame (6) is fixed at two ends of the lower end of the placing plate (5), the placing plate (5) is fixed with an underframe (1) through the fixing frame (6), a sliding groove is formed in the middle of the placing plate (5), the two clamping plates (7) are symmetrically arranged in the sliding groove, the end plates (8) are fixed at positions of the upper end of the underframe (1) and at two ends of the placing plate (5), the driving screws (9) are rotatably connected between the two end plates (8), the driving motor (10) is fixed on the outer side of one end plate (8), the output unit of the driving motor (10) is fixed with the driving screws (9), the lower ends of the two clamping plates (7) are in threaded connection with the driving screws (9), and the threads at two ends of the driving screws (9) are opposite in rotation direction;

still be provided with adjustable shelf (4) on chassis (1), be provided with first laser displacement sensor (15) and second laser displacement sensor (18) on adjustable shelf (4) respectively, the lower extreme and chassis (1) swing joint at adjustable shelf (4) both ends, adjustable shelf (4) are provided with linear guide with the junction of chassis (1), adjustable shelf (4) are walked along chassis (1) length direction through linear guide.

2. The mobile scanning type omni-directional linearity measuring instrument according to claim 1, wherein: and anti-skid plates (11) are arranged on the two clamping plates (7) at the sides close to each other, and the anti-skid plates (11) are used for reducing the abrasion of the clamping plates (7) to the measured workpiece.

3. The mobile scanning type omni-directional linearity measuring instrument according to claim 2, wherein: one side that antiskid ribbed tile (11) is close to splint (7) is provided with rubber tape (13), the both ends of rubber tape (13) are fixed with the both ends of antiskid ribbed tile (11), rubber tape (13) cup joint in the outside of splint (7), spacing draw-in groove (12) have all been seted up at the both ends of splint (7), the both ends of rubber tape (13) all are located spacing draw-in groove (12) inboardly.

4. The mobile scanning type omni-directional linearity measuring instrument according to claim 1, wherein: the middle part of the upper end of the bottom frame (1) is provided with a plurality of support frames (3) along the length direction.

5. The mobile scanning type omni-directional linearity measuring instrument according to claim 1, wherein: the upper end of the movable frame (4) is connected with a first connecting frame (14) in a sliding mode, a first laser displacement sensor (15) is fixed at the lower end of the first connecting frame (14), the upper end of the first connecting frame (14) is connected with a first fastening knob (16) in a threaded mode, and the lower end of the first fastening knob (16) penetrates through the first connecting frame (14) and is tightly attached to the movable frame (4); the side sliding connection of adjustable shelf (4) has second link (17), one side that second link (17) are close to chassis (1) is fixed with second laser displacement sensor (18), one side threaded connection that chassis (1) were kept away from in second link (17) has second fastening knob (19), the one end of second fastening knob (19) runs through second link (17) and is closely laminated with adjustable shelf (4).

6. The mobile scanning type omni-directional linearity measuring instrument according to claim 5, wherein: the first laser displacement sensor (15) and the second laser displacement sensor (18) are arranged at ninety degrees, and the first laser displacement sensor (15) and the bottom frame (1) are arranged vertically.