CN215296125U - Universal type screw rod straightness measuring device - Google Patents
Universal type screw rod straightness measuring device Download PDFInfo
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- CN215296125U CN215296125U CN202120740440.6U CN202120740440U CN215296125U CN 215296125 U CN215296125 U CN 215296125U CN 202120740440 U CN202120740440 U CN 202120740440U CN 215296125 U CN215296125 U CN 215296125U
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Abstract
The utility model discloses a general type lead screw straightness accuracy measuring device, which belongs to a straightness accuracy measuring device and comprises a workbench, a portal frame, a sliding groove, a sliding rail and a dial indicator, wherein the portal frame and the sliding groove are fixedly connected on the workbench, the sliding rail is slidably connected in the sliding groove, the dial indicator is connected on the portal frame through an adjusting mechanism and is positioned between a cross beam on the portal frame and the sliding rail, two positioning blocks are arranged on the sliding rail, clamping grooves are formed on the positioning blocks, a flattening mechanism is arranged on the positioning blocks, and the flattening mechanism extends into the clamping grooves; the utility model fixes the lead screw on the positioning block, vertically finely adjusts the position of the dial indicator, pushes the slide rail to finish the measurement of the straightness accuracy, and has stable measurement operation and accurate measurement; the screw rod can be fixed in the clamping groove of the inverted triangle in a flat pressing mode by screwing the adjusting knob, the screw rod measuring device is suitable for measuring screw rods with different diameters and sizes, and the universality is high.
Description
Technical Field
The utility model belongs to a straightness accuracy measuring device especially relates to a general type screw rod straightness accuracy measuring device.
Background
The straightness measurement mainly comprises the measurement of the straightness errors of the plain lines of the cylinder and the cone, the straightness errors of the guide surfaces of a machine tool and other machines and the linear guide surface of a workpiece and the like, and in order to improve the measurement efficiency of the straightness of the screw rod, a straightness measurement device is very necessary to design.
Chinese patent (CN201621191544.1) discloses an optical axis straightness measuring tool, which comprises a frame, wherein fixing members for fixing an optical axis are respectively arranged at two ends of one side of the frame, a slide way is fixed at the other side of the frame, a slide block is arranged on the slide way, a straightness detecting tool is fixed on the slide block, and the slide way is substantially parallel to the optical axis. Compared with the prior art, the utility model discloses very convenient is fixed the optical axis, through establishing the straightness accuracy detection instrument at the slide, utilizes its slip on the slide, and convenience, accuracy can detect the optical axis.
At present, when the screw rod is used for measuring the straightness, the screw rod is usually placed on a measuring platform and then is measured in a mode of moving a dial indicator, and the screw rod is easy to shake in the process, so that the accuracy of a measuring result is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that when the screw rod is used for measuring the straightness, the dial indicator abuts against the degree of freedom to limit the insufficient screw rod to enable the screw rod to shake, and therefore the measuring result is not accurate, the universal screw rod straightness measuring device is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a general type screw straightness accuracy measuring device, its includes workstation, portal frame, spout, slide rail and amesdial, the portal frame with the spout all fixed connection in on the workstation, slide rail sliding connection in the spout, the amesdial passes through adjustment mechanism to be connected on the portal frame, just the amesdial is located crossbeam on the portal frame with between the slide rail, be provided with two locating pieces on the slide rail, the draw-in groove has been seted up on the locating piece, be provided with the concora crush mechanism on the locating piece, the concora crush mechanism extends to in the draw-in groove.
As a further description of the above technical solution:
the adjusting mechanism comprises a guide pillar, a screw rod, a fixing plate and an adjusting nut, the guide pillar is arranged in the guide sleeve on the cross beam along the vertical direction, the screw rod penetrates through the cross beam along the vertical direction, the fixing plate is fixedly connected with the lower ends of the guide pillar and the screw rod, the dial indicator is arranged on the fixing plate, the adjusting nut is arranged in the cross beam, and the adjusting nut is in threaded connection with the screw rod.
As a further description of the above technical solution:
the spout is T shape, the slide rail is the I shape.
As a further description of the above technical solution:
the clamping groove is in an inverted triangle shape.
As a further description of the above technical solution:
the flat pressing mechanism comprises an adjusting knob and a flat pressing block, the adjusting knob penetrates into the clamping groove from the top of the positioning block, the flat pressing block is located in the clamping groove, the flat pressing block is connected to the end portion of the adjusting knob, and the flat pressing block is in threaded connection with the positioning block.
As a further description of the above technical solution:
the flat pressing block is connected with the adjusting knob through a bearing.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
in the utility model, the screw rod is fixed on the positioning block, the position of the dial indicator is vertically finely adjusted, the slide rail is pushed to complete the measurement of the straightness accuracy, the measurement operation is stable, and the measurement is accurate; the screw rod can be fixed in the clamping groove of the inverted triangle in a flat pressing mode by screwing the adjusting knob, the screw rod measuring device is suitable for measuring screw rods with different diameters and sizes, and the universality is high.
Drawings
Fig. 1 is a schematic view of the overall structure of a general screw straightness measuring device.
Fig. 2 is a schematic structural diagram of a general type screw straightness measuring device in a front view direction.
Fig. 3 is a schematic structural diagram of a positioning block in a universal screw linearity measuring device.
Fig. 4 is a reference diagram of a general-purpose screw linearity measuring device in a use state.
Illustration of the drawings:
1. a work table; 2. a gantry; 3. a chute; 4. a slide rail; 5. a dial indicator; 6. an adjustment mechanism; 61. a guide post; 62. a lead screw; 63. a fixing plate; 64. adjusting the nut; 7. a cross beam; 8. positioning blocks; 9. a card slot; 10. a flat pressing mechanism; 101. adjusting a knob; 102. flattening and pressing the block; 11. and (4) guiding a sleeve.
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 of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a general screw straightness measuring device comprises a workbench 1, a portal frame 2, a sliding groove 3, a sliding rail 4 and a dial indicator 5, wherein the portal frame 2 and the sliding groove 3 are fixedly connected onto the workbench 1, the sliding rail 4 is slidably connected into the sliding groove 3, the dial indicator 5 is connected onto the portal frame 2 through an adjusting mechanism 6, the dial indicator 5 is located between a cross beam 7 on the portal frame 2 and the sliding rail 4, two positioning blocks 8 are arranged on the sliding rail 4, clamping grooves 9 are formed in the positioning blocks 8, a flattening mechanism 10 is arranged on the positioning blocks 8, and the flattening mechanism 10 extends into the clamping grooves 9;
the adjusting mechanism 6 comprises a guide post 61, a lead screw 62, a fixing plate 63 and an adjusting nut 64, the guide post 61 is arranged in the guide sleeve 11 on the cross beam 7 along the vertical direction, the lead screw 62 penetrates through the cross beam 7 along the vertical direction, the fixing plate 63 is fixedly connected with the guide post 61 and the lower end of the lead screw 62, the dial indicator 5 is arranged on the fixing plate 63, the adjusting nut 64 is arranged in the cross beam 7, the adjusting nut 64 is in threaded connection with the lead screw 62, the adjusting nut 64 is screwed, the adjusting nut 64 drives the lead screw 62 to slide up and down, the lead screw 62 acts on the fixing plate 63 to slide up and down, and the guide sleeve 11 has a guiding effect on the guide post 61 until a contact of the dial indicator 5 abuts against the surface of the lead screw;
the sliding groove 3 is T-shaped, and the sliding rail 4 is I-shaped;
the clamping groove 9 is in an inverted triangle shape;
the flat pressing mechanism 10 comprises an adjusting knob 101 and a flat pressing block 102, the adjusting knob 101 penetrates into the clamping groove 9 from the top of the positioning block 8, the flat pressing block 102 is located in the clamping groove 9, the flat pressing block 102 is connected to the end of the adjusting knob 101, and the flat pressing block 102 is in threaded connection with the positioning block 8;
the flat pressing block 102 is connected with the adjusting knob 101 through a bearing.
The working principle is as follows: firstly, a screw rod penetrates through a clamping groove 9 on a positioning block 8, an adjusting knob 101 is screwed to advance along the positioning block 8, a flat pressing block 102 slides in the clamping groove 9 and abuts against the screw rod to complete the fixation of the screw rod, secondly, an adjusting nut 64 is screwed to drive a screw rod 62 to slide up and down, the screw rod 62 acts on a fixing plate 63 to slide up and down, a guide sleeve 11 has a guiding effect on a guide post 61 until a contact of a dial indicator 5 abuts against the surface of the screw rod to complete the adjustment of the measuring position of the dial indicator 5, and finally, a sliding rail 4 is pushed to slide on a sliding groove 3, the contact of the dial indicator 5 slides on the surface of the screw rod to measure, the change of a dial plate of the dial indicator 5 is observed, and the measurement is completed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a general type screw straightness accuracy measuring device which characterized in that: including workstation (1), portal frame (2), spout (3), slide rail (4) and amesdial (5), portal frame (2) with spout (3) all fixed connection in on workstation (1), slide rail (4) sliding connection in spout (3), amesdial (5) are connected through adjustment mechanism (6) on portal frame (2), just amesdial (5) are located crossbeam (7) on portal frame (2) with between slide rail (4), be provided with two locating pieces (8) on slide rail (4), draw-in groove (9) have been seted up on locating piece (8), be provided with on locating piece (8) and suppress mechanism (10), suppress mechanism (10) extend to in draw-in groove (9).
2. The universal screw straightness measuring device according to claim 1, wherein the adjusting mechanism (6) comprises a guide post (61), a lead screw (62), a fixing plate (63) and an adjusting nut (64), the guide post (61) is vertically disposed in a guide sleeve (11) on the cross beam (7), the lead screw (62) vertically penetrates through the cross beam (7), the fixing plate (63) is fixedly connected with the lower ends of the guide post (61) and the lead screw (62), the dial indicator (5) is disposed on the fixing plate (63), the adjusting nut (64) is disposed in the cross beam (7), and the adjusting nut (64) is in threaded connection with the lead screw (62).
3. The universal wire rod straightness measuring device according to claim 1, wherein the sliding groove (3) is T-shaped, and the sliding rail (4) is I-shaped.
4. A universal screw straightness measuring device according to claim 1, wherein the locking groove (9) is an inverted triangle.
5. The general type screw straightness measuring device according to claim 4, wherein the flattening mechanism (10) comprises an adjusting knob (101) and a flattening block (102), the adjusting knob (101) penetrates into the clamping groove (9) from the top of the positioning block (8), the flattening block (102) is located in the clamping groove (9), the flattening block (102) is connected to the end of the adjusting knob (101), and the flattening block (102) is in threaded connection with the positioning block (8).
6. A universal screw linearity measuring device according to claim 5, characterized in that said flat pressing block (102) is connected with said adjusting knob (101) through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120740440.6U CN215296125U (en) | 2021-04-13 | 2021-04-13 | Universal type screw rod straightness measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120740440.6U CN215296125U (en) | 2021-04-13 | 2021-04-13 | Universal type screw rod straightness measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215296125U true CN215296125U (en) | 2021-12-24 |
Family
ID=79536164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120740440.6U Active CN215296125U (en) | 2021-04-13 | 2021-04-13 | Universal type screw rod straightness measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215296125U (en) |
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2021
- 2021-04-13 CN CN202120740440.6U patent/CN215296125U/en active Active
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