Straightness deviation detection device of guide shaft

Abstract

The utility model discloses a straightness offset detection device for a guide shaft, which comprises a bottom plate and the guide shaft, the surface of the bottom plate is fixedly connected with two positioning rods, the bottoms of the two positioning rods are fixedly connected with a base, the surface of the base is fixedly connected with a first conical groove, the outer walls of the tops of the two positioning rods are movably connected with a top seat, and the top seat is fixedly connected with a second conical groove. A second conical groove is fixedly connected to the top base, the guide shaft is arranged between the first conical groove and the second conical groove, and adjusting assemblies for controlling the second conical groove to move are arranged at the tops of the two positioning rods. According to the utility model, the contact block is in contact with the guide shaft, the contact block is controlled to move along the surface of the guide shaft, if the guide shaft deviates, the contact block can be extruded, so that the transmission shaft drives the fan blades to rotate, whether the straightness of the guide shaft deviates or not can be judged by observing the rotation of the fan blades, and the straightness of the guide shaft is detected; the detection mode is simple and convenient, and detection personnel can judge the offset state more visually.

Description

TECHNICAL FIELD

[0001] The utility model relates to guide shaft technical field especially relates to a straightness deviation detection device of guide shaft. BACKGROUND

[0002] Guide shaft is a kind of shaft for orientation or support workpiece, is applied in machinery manufacturing, automobile manufacturing, instrument and meter etc. industry in large quantities, guide shaft refers to only bear weight, give a guiding track effect, guide shaft needs to detect its processing straightness deviation in the processing process, and the current traditional detection mode is more cumbersome to operate, and it needs to spend certain time in detection process, and in the detection process, the deviation state of guide shaft cannot be judged intuitively, therefore, the straightness deviation detection device of guide shaft is provided by the technical personnel in the field to solve the problems in the above background. CONTENT OF UTILITY MODEL

[0003] The utility model aims at solving the shortcomings in the prior art and provides a straightness deviation detection device of guide shaft.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A kind of straightness deviation detection device of guide shaft, including bottom plate and guide shaft, the surface of the bottom plate is fixedly connected with two positioning rods, the bottom of two positioning rods is fixedly connected with base, the surface of base is fixedly connected with first taper slot, the top outer wall of two positioning rods is movably connected with top seat, and top seat is fixedly connected with second taper slot on top seat, the guide shaft is arranged between first taper slot and second taper slot, the top of two positioning rods is equipped with the adjusting assembly of the second taper slot movement, the position of the bottom plate on both sides is equipped with vertical plate, and two slide openings are respectively formed in vertical plate, and U-shaped frame is movably connected in slide opening, and detection mechanism is equipped on U-shaped frame, and the detection mechanism includes contact component and observation component, the contact component is contacted with guide shaft, and the detection of the straightness deviation of guide shaft is completed by observing the dynamic of observation component.

[0006] As a further scheme of the utility model, the contact component is contact block, the U-shaped frame movably connects with slide rod, the contact block is fixedly connected at one end of slide rod, and the contact block is contacted with the outer wall of guide shaft, the circumferential outer wall of slide rod movably connects with spring, and the both ends of spring are fixed with slide rod and U-shaped frame respectively.

[0007] As a further scheme of the utility model, the observation component is fan blade, the transmission shaft is movably connected on U-shaped frame, and a plurality of fan blades are respectively mounted at both ends of transmission shaft, the circumferential outer wall of transmission shaft is fixedly connected with gear, the rack is fixedly connected on contact block, and the rack is engaged with gear.

[0008] As a further scheme of the utility model, the adjusting assembly is a lead screw, the top of the two positioning rods is fixedly connected with a fixed block, a lead screw is movably connected through the fixed block, and the bottom end of the lead screw is movably connected with the top seat.

[0009] As a further scheme of the utility model, the bottom plate is provided with a limiting opening at both ends, and the two vertical plates are movably connected in the limiting openings.

[0010] As a further scheme of the utility model, the bottom plate is movably connected with a bidirectional screw rod, and the bidirectional screw rod passes through the two vertical plates and is movably connected with the vertical plates.

[0011] The utility model has the advantages of:

[0012] 1. the contact block is contacted with the guide shaft, then the contact block is controlled to move along the surface of the guide shaft, if the guide shaft is offset, the contact block can be extruded, then under the cooperation of the gear and the rack, the transmission shaft drives the fan blade to rotate, whether the straightness of the guide shaft is offset can be judged by observing the rotation of the fan blade, the straightness of the guide shaft is detected, the detection mode is simple and convenient, and the offset state can be more intuitively judged by the detection personnel.

[0013] 2. the second tapered groove is moved downward to make the inside of the second tapered groove fit the top end of the guide shaft, the bottom end of the guide shaft fits the first tapered groove, the guide shaft can be vertically locked between the first tapered groove and the second tapered groove, the fixing mode is simple and convenient, and the guide shaft is convenient for detection. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a front view structural schematic diagram of a straightness offset detection device of a guide shaft provided by the utility model;

[0015] Fig. 2 It is a bottom view structural schematic diagram of a straightness offset detection device of a guide shaft provided by the utility model;

[0016] Fig. 3 It is a partial enlarged structural schematic diagram of a straightness offset detection device of a guide shaft provided by the utility model.

[0017] In the drawing: 1, bottom plate; 2, first tapered groove; 3, base; 4, positioning rod; 5, top seat; 6, fixed block; 7, lead screw; 8, second tapered groove; 9, guide shaft; 10, sliding port; 11, U-shaped frame; 12, vertical plate; 13, bidirectional screw rod; 14, spring; 15, fan blade; 16, transmission shaft; 17, gear; 18, rack; 19, sliding rod; 20, contact block. DETAILED DESCRIPTION

[0018] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. It should be noted that, unless otherwise clearly defined and limited, the terms "mounting", "connecting", and "setting" should be understood in a broad sense, and the specific meanings of the above terms in the patent can be understood by those skilled in the art according to the specific circumstances.

[0019] Referring to Figs. 1-3 A straightness deviation detection device of a guide shaft, comprising a base plate 1 and a guide shaft 9, the surface of the base plate 1 is fixed with two positioning rods 4 through bolts, the bottom of the two positioning rods 4 is fixed with a base 3 through bolts, the surface of the base 3 is fixed with a first tapered groove 2 through bolts, the top outer wall of the two positioning rods 4 is slidably connected with a top base 5, the top base 5 is fixed with a second tapered groove 8 through bolts, the guide shaft 9 is arranged between the first tapered groove 2 and the second tapered groove 8, the top of the two positioning rods 4 is provided with an adjusting assembly for controlling the movement of the second tapered groove 8, the axis of the first tapered groove 2 and the second tapered groove 8 is located on the same straight line, the base plate 1 is provided with a vertical plate 12 on both sides, the vertical plate 12 is respectively provided with two sliding ports 10, the sliding port 10 is slidably connected with a U-shaped frame 11, the U-shaped frame 11 is provided with a detection mechanism, the detection mechanism comprises a contact assembly and an observation assembly, the contact assembly is in contact with the guide shaft 9, the dynamic of the observation assembly is observed to complete the detection of the straightness deviation of the guide shaft 9.

[0020] The utility model discloses, contact subassembly is contact block 20, and the U type frame 11 sliding connection has the slide bar 19, and contact block 20 is fixed in the one end of slide bar 19 through bolt, and contact block 20 and the outer wall of guide shaft 9 are contacted, and the circumferential outer wall of slide bar 19 is sleeved with spring 14, and the both ends of spring 14 are fixed with slide bar 19 and U type frame 11 respectively, and observation subassembly fan blade 15, and the U type frame 11 is rotatably connected with transmission shaft 16, and the both ends of transmission shaft 16 are installed with a plurality of fan blade 15 respectively, and the circumferential outer wall of transmission shaft 16 is keyed with gear 17, and the rack 18 is fixed on contact block 20 through bolt, and the rack 18 is engaged with gear 17, control contact block 20 and the surface of guide shaft 9 are combined and keep spring 14 slightly force contraction, then along slide mouth 10 is moved respectively upwards U type frame 11, and contact block 20 is moved upwards along guide shaft 9, in the process of contact block 20 moving upwards, if guide shaft 9 is offset to the side of contact block 20, then guide shaft 9 is extruded to contact block 20, at this moment, slide bar 19 is moved along the one side of U type frame 11, and spring 14 is continuously contracted, and contact block 20 moves and drives the rack 18 to move, at this moment, gear 17 rotates, and the rotation of gear 17 makes transmission shaft 16 drive fan blade 15 to rotate, and the rotation of fan blade 15 can judge the straightness of guide shaft 9 to be offset, if in the process of contact block 20 ascending, guide shaft 9 is offset to the other side, then spring 14 is rebounded and reset, and make slide bar 19 move and guide shaft 9 continuously combine, in the process of slide bar 19 moving, fan blade 15 is rotated, thereby realizing the detection of the straightness of guide shaft 9 to be offset.

[0021] The utility model discloses, adjusting assembly is screw rod 7, and the top of two positioning rods 4 is fixed with fixed block 6 through bolt, and fixed block 6 is penetrated with screw rod 7, and the bottom of screw rod 7 is rotatably connected with top seat 5, and the bottom of guide shaft 9 is placed in first taper groove 2, and rotates screw rod 7, and the rotation of screw rod 7 makes top seat 5 drive second taper groove 8 to move down along positioning rod 4, and the inside of second taper groove 8 moves down and is combined with the top of guide shaft 9, and then guide shaft 9 is locked between first taper groove 2 and second taper groove 8.

[0022] The utility model discloses, the position of bottom plate 1 at both ends is all set with limit mouth, and two vertical boards 12 are slidably connected in the inside of limit mouth respectively, and the bottom of bottom plate 1 is rotatably connected with two -way screw rod 13, and two -way screw rod 13 passes through two vertical boards 12 and is threadedly connected with vertical board 12, according to the diameter of the detection guide shaft 9, and the two -way screw rod 13 is rotated and makes two vertical boards 12 move towards each other, to adjust the distance of contact block 20, and adapt and contact the guide shaft 9 of different diameter.

[0023] Working principle: when the guide shaft 9 needs to be detected, the bottom end of the guide shaft 9 is placed in the first tapered groove 2, the lead screw 7 is rotated, the top seat 5 drives the second tapered groove 8 to move downward along the positioning rod 4, the second tapered groove 8 moves downward to make the inside of the second tapered groove 8 fit with the top end of the guide shaft 9, thereby locking the guide shaft 9 between the first tapered groove 2 and the second tapered groove 8, rotating the bidirectional screw 13 to move the two vertical plates 12 towards each other until the contact block 20 fits with the surface of the guide shaft 9, at this time the spring 14 is slightly stressed and shrinks, then the U-shaped frame 11 is moved upward along the sliding port 10 respectively, the contact block 20 moves upward along the guide shaft 9, in the process of upward movement of the contact block 20, if the guide shaft 9 deviates to one side of the contact block 20, the guide shaft 9 extrudes the contact block 20, at this time the sliding rod 19 moves along one side of the U-shaped frame 11, the spring 14 continuously shrinks, and the contact block 20 moves to drive the rack 18 to move, at this time the gear 17 rotates, the gear 17 rotates to drive the transmission shaft 16 to rotate the fan blade 15, the straightness deviation of the guide shaft 9 can be judged by observing the rotation of the fan blade 15; if the guide shaft 9 deviates to the other side in the process of upward movement of the contact block 20, the spring 14 rebounds to reset, so that the sliding rod 19 moves and continuously fits with the guide shaft 9, in the process of movement of the sliding rod 19, the fan blade 15 rotates, thereby realizing the detection of the straightness deviation of the guide shaft 9.

[0024] In the present application, the structures and connection relationships not described in detail are prior art, and their structures and principles are well-known technologies, which will not be described here.

[0025] The above is only the preferred specific implementation method of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A device for detecting straightness deviations of a guide shaft, comprising a base plate (1) and a guide shaft (9), characterized in that The surface of the bottom plate (1) is fixedly connected with two positioning rods (4), the bottom of the two positioning rods (4) is fixedly connected with a base (3), the surface of the base (3) is fixedly connected with a first tapered groove (2), the top outer wall of the two positioning rods (4) is movably connected with a top base (5), the top base (5) is fixedly connected with a second tapered groove (8), the guide shaft (9) is arranged between the first tapered groove (2) and the second tapered groove (8), the top of the two positioning rods (4) is provided with an adjusting assembly for controlling the movement of the second tapered groove (8), the bottom plate (1) is provided with a vertical plate (12) on both sides, two sliding openings (10) are respectively formed in the vertical plate (12), a U-shaped frame (11) is movably connected in the sliding opening (10), and a detection mechanism is arranged on the U-shaped frame (11), the detection mechanism comprises a contact assembly and an observation assembly, the contact assembly is in contact with the guide shaft (9), and the straightness deviation of the guide shaft (9) is detected by observing the dynamic state of the observation assembly.

2. A straightness deviation detecting device of a guide shaft according to claim 1, characterized in that, The contact assembly is a contact block (20), the U-shaped frame (11) is movably connected with a sliding rod (19), the contact block (20) is fixedly connected to one end of the sliding rod (19), and the contact block (20) is in contact with the outer wall of the guide shaft (9), the circumferential outer wall of the sliding rod (19) is movably connected with a spring (14), and the two ends of the spring (14) are fixedly connected with the sliding rod (19) and the U-shaped frame (11) respectively.

3. A straightness deviation detection device of a guide shaft according to claim 2, characterized in that, The observation assembly is a fan blade (15), the U-shaped frame (11) is movably connected with a transmission shaft (16), a plurality of fan blades (15) are mounted at the two ends of the transmission shaft (16), the circumferential outer wall of the transmission shaft (16) is fixedly connected with a gear (17), the contact block (20) is fixedly connected with a rack (18), and the rack (18) is engaged with the gear (17).

4. The straightness deviation detecting device of a guide shaft according to claim 1, wherein The adjusting assembly is a lead screw (7), the top of the two positioning rods (4) is fixedly connected with a fixed block (6), the fixed block (6) is movably connected with the lead screw (7) penetrating therethrough, and the bottom end of the lead screw (7) is movably connected with the top base (5).

5. The straightness deviation detecting device of a guide shaft according to claim 1, wherein The bottom plate (1) is movably connected with a bidirectional screw rod (13) at the bottom, and the bidirectional screw rod (13) passes through the two vertical plates (12) and is movably connected with the vertical plates (12).

6. A straightness deviation detection device of a guide shaft according to claim 5, characterized by The bottom plate (1) is movably connected with a bidirectional screw rod (13) at the bottom, and the bidirectional screw rod (13) passes through the two vertical plates (12) and is movably connected with the vertical plates (12).

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