CN210450405U - Slender pipe inner hole straightening device - Google Patents
Slender pipe inner hole straightening device Download PDFInfo
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- CN210450405U CN210450405U CN201921425302.8U CN201921425302U CN210450405U CN 210450405 U CN210450405 U CN 210450405U CN 201921425302 U CN201921425302 U CN 201921425302U CN 210450405 U CN210450405 U CN 210450405U
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Abstract
The utility model discloses a slender pipe inner hole straightening device, which comprises a bottom plate, wherein the bottom plate is upwards fixedly provided with a top plate through two stand columns, the bottom plate is upwards fixedly provided with a base, the upper surface of the base is provided with a chute, two movable cushion blocks are matched in the chute in a sliding way, and the upper surfaces of the movable cushion blocks are inwards concave to form a lower semicircular groove; the top plate is fixedly provided with a flange plate, the middle of the flange plate vertically penetrates through the flange plate to be provided with an internal threaded hole, the flange plate is internally screwed and matched with a screw rod, the upper end of the screw rod is fixedly provided with a handle, the lower end of the screw rod is rotatably connected with a pressing block, and the top plate further comprises a limiting mechanism for limiting the pressing block; the upper surface of the pressing block is concave to form an upper semicircular groove, and the diameter of the upper semicircular groove is consistent with that of the lower semicircular groove. This patent application has quick alignment, efficient, the better advantage of guaranteeing product quality.
Description
Technical Field
The utility model relates to a firearms technical field especially relates to a slender pipe hole coalignment.
Background
The length of the short and thin long pipe of the pistol series is about 80-120 mm, the aperture of the through hole is phi 5.8-phi 9mm, and the straightness is phi 0.01-phi 0.015mm within the range of 60-100 mm. The slender pipe has plastic deformation after mechanical processing and heat treatment, the straightness of an inner hole of a part needs to be ensured by straightening, and a quick straightening device for the slender pipe is not provided at present.
SUMMERY OF THE UTILITY MODEL
To the deficiency of the prior art, the technical problem to be solved by the present patent application is: how to provide a quick alignment, efficient, the better slender pipe hole coalignment of assurance product quality.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a slender pipe inner hole straightening device comprises a bottom plate, wherein a top plate is fixedly arranged on the bottom plate upwards through two stand columns, a base is fixedly arranged on the bottom plate upwards, a sliding groove is formed in the upper surface of the base, two movable cushion blocks are matched in the sliding groove in a sliding mode, and the upper surfaces of the movable cushion blocks are concave inwards to form lower semicircular grooves; the top plate is fixedly provided with a flange plate, the middle of the flange plate vertically penetrates through the flange plate to be provided with an internal threaded hole, the flange plate is internally screwed and matched with a screw rod, the upper end of the screw rod is fixedly provided with a handle, the lower end of the screw rod is rotatably connected with a pressing block, and the top plate further comprises a limiting mechanism for limiting the pressing block; the upper surface of the pressing block is concave to form an upper semicircular groove, and the diameter of the upper semicircular groove is consistent with that of the lower semicircular groove.
Therefore, before straightening the slender pipe, the slender pipe is detected by using the straightness measuring tool, the straightness of the slender pipe is detected, and the bending position of the slender pipe is found; specifically, the straightness measuring tool is cylindrical; then adjusting the position of the movable cushion block on the base to ensure that the bending position of the slender tube is over against the movable cushion block and the pressing block, and the other movable cushion block is used for supporting the slender tube; and then, rotating the handle, driving the pressing block to press downwards through the screw rod, straightening the slender pipe by utilizing the pressing block and the upper semicircular groove and the lower semicircular groove on the movable cushion block, loosening the handle after the straightening is finished, automatically driving the pressing block to ascend due to the rebound force of the slender pipe, then taking down the slender pipe, and continuously detecting until the straightness of the slender pipe is in a qualified range. Specifically, when straightening slender pipes with different diameters, the movable cushion block and the pressing block are replaced.
Further, the screw rod is a double-thread screw rod, and an internal thread arranged in the internal thread hole is matched with the double-thread screw rod. Therefore, the single thread has a small self helix angle, is not easy to slide, has large screwing friction force between the thread and the nut, and has a self-locking function. The screw rod in the application adopts a plurality of threads (generally double threads) and has a large helix angle, is easy to slide, has small friction force during screwing and is suitable for transferring motion.
Furthermore, a foot rest is fixedly installed at the lower end of the bottom plate. The bottom plate can be better placed.
Furthermore, the limiting mechanism comprises a limiting plate, a through hole in sliding fit with the upright column is formed in the limiting plate, the limiting plate is in sliding fit with the upright column, an installation part is arranged at the lower end of the screw rod, an annular groove is formed in the circumferential direction of the installation part, a notch matched with the installation part is formed in the pressing block, at least two fixing pins are arranged in the notch, and the fixing pins are in sliding fit in the annular groove; the pressing block is fixedly connected with the limiting plate.
Like this, the screw rod rotates, and the installation department and the briquetting upper end of screw rod lower extreme rotate to be connected, limiting plate and briquetting fixed connection, and the clamp plate can not rotate, utilizes the stand to lead to the limiting plate for the clamp plate only can reciprocate along vertical direction, better alignment. Specifically, utilize the fixed pin to carry on spacingly to the annular groove, connect simultaneously.
Furthermore, the flange plate is fixedly connected with the top plate through bolts, and a positioning pin is arranged between the flange plate and the top plate. The installation and the maintenance are convenient.
Further, the movable cushion block and the pressing block are both made of brass materials. Prevent the outer surface of the slender pipe from being crushed.
Furthermore, the upright posts are fixedly connected with the bottom plate and the top plate through screws. Is convenient for production, processing and manufacturing.
Further, the base is fixedly connected with the bottom plate through screws. Is convenient for production, processing and manufacturing.
Furthermore, the bottom plate is provided with a positioning hole, the base is provided with a positioning through hole, and the positioning hole and the positioning through hole are arranged oppositely and are connected through a connecting pin. The installation and the location are convenient.
To sum up, this patent application has quick alignment, efficient, and the advantage of better assurance product quality, and is small and exquisite convenient, is convenient for put, and for this method of shadow method alignment low to the light source requirement, better satisfies the operation requirement.
Drawings
Fig. 1 is a schematic structural view of a slender tube inner hole straightening device disclosed by the utility model.
Fig. 2 is a partial cross-sectional view of fig. 1.
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.
With reference to figures 1-2 of the drawings,
the first embodiment is as follows:
an elongated tube inner hole straightening device comprises a bottom plate 1, wherein a top plate 15 is fixedly installed on the bottom plate 1 upwards through two upright posts 3, a base 14 is fixedly installed on the bottom plate 1 upwards, a sliding groove is formed in the upper surface of the base 14, two movable cushion blocks 6 are matched in the sliding groove in a sliding mode, and the upper surfaces of the movable cushion blocks 6 are concave inwards to form lower semicircular grooves; the top plate 15 is fixedly provided with a flange plate 11, the middle of the flange plate 11 is vertically provided with an internal threaded hole in a penetrating manner, the flange plate 11 is internally screwed and matched with a screw 10, the upper end of the screw 10 is fixedly provided with a handle 16, the lower end of the screw 10 is rotatably connected with the pressing block 7, and the pressing block 7 limiting device further comprises a limiting mechanism used for limiting the pressing block 7; the lower surface of the pressing block 7 is concave upwards to form an upper semicircular groove, and the diameter of the upper semicircular groove is consistent with that of the lower semicircular groove.
Therefore, before straightening the slender pipe, the slender pipe is detected by using the straightness measuring tool, the straightness of the inner hole of the slender pipe is detected, and the bending position of the slender pipe is found; specifically, the straightness measuring tool is cylindrical; then adjusting the position of the movable cushion block on the base to ensure that the bending position of the slender tube is over against the movable cushion block and the pressing block, and the other movable cushion block is used for supporting the slender tube; and then, rotating the handle, driving the pressing block to press downwards through the screw rod, straightening the bent part of the slender pipe by utilizing the pressing block and the upper semicircular groove and the lower semicircular groove on the movable cushion block to enable the slender pipe to generate plastic deformation, loosening the handle after the straightening is finished, automatically driving the pressing block to rise due to the rebound force of the slender pipe, then taking down the slender pipe, and continuously detecting until the straightness of the slender pipe is in a qualified range. Specifically, when straightening slender pipes with different diameters, the movable cushion block and the pressing block are replaced.
In this embodiment, the screw 10 is a double-thread screw, and the internal thread provided in the internal thread hole is matched with the double-thread screw. Therefore, the single thread has a small self helix angle, is not easy to slide, has large screwing friction force between the thread and the nut, and has a self-locking function. The screw rod in the application adopts a plurality of threads (generally double threads) and has a large helix angle, is easy to slide, has small friction force during screwing and is suitable for transferring motion.
In this embodiment, a foot rest 17 is fixedly installed at the lower end of the bottom plate 1. The bottom plate can be better placed.
In this embodiment, the limiting mechanism includes a limiting plate 8, a through hole in sliding fit with the upright post 3 is formed in the limiting plate 8, the limiting plate 8 is in sliding fit with the upright post 3, an installation part is arranged at the lower end of the screw 10, an annular groove is circumferentially arranged on the installation part, a notch matched with the installation part is formed in the pressing block 7, at least two fixing pins 9 are arranged in the notch, and the fixing pins 9 are in sliding fit in the annular groove; the pressing block 7 is fixedly connected with the limiting plate 8.
Like this, the screw rod rotates, and the installation department and the briquetting upper end of screw rod lower extreme rotate to be connected, limiting plate and briquetting fixed connection, and the clamp plate can not rotate, utilizes the stand to lead to the limiting plate for the clamp plate only can reciprocate along vertical direction, better alignment. Specifically, utilize the fixed pin to carry on spacingly to the annular groove, connect simultaneously.
In this embodiment, the flange 11 and the top plate 15 are fixedly connected by bolts 13, and a positioning pin 12 is disposed between the flange 11 and the top plate 15. The installation and the maintenance are convenient.
In this embodiment, the movable pad 6 and the pressing block 7 are made of brass. Prevent the outer surface of the slender pipe from being crushed.
In this embodiment, the upright column 3 is fixedly connected with the bottom plate 1 and the top plate 15 through screws 2. Is convenient for production, processing and manufacturing.
In this embodiment, the base 14 and the bottom plate 1 are fixedly connected by a screw 4. Is convenient for production, processing and manufacturing.
In this embodiment, the bottom plate 1 is provided with a positioning hole, the base 14 is provided with a positioning through hole, and the positioning hole and the positioning through hole are arranged oppositely and connected through the connecting pin 5. The installation and the location are convenient.
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 (9)
1. A slender pipe inner hole straightening device is characterized by comprising a bottom plate, wherein a top plate is fixedly arranged on the bottom plate upwards through two stand columns, a base is fixedly arranged on the bottom plate upwards, a sliding groove is formed in the upper surface of the base, two movable cushion blocks are matched in the sliding groove in a sliding mode, and the upper surfaces of the movable cushion blocks are inwards concave to form lower semicircular grooves; the top plate is fixedly provided with a flange plate, the middle of the flange plate vertically penetrates through the flange plate to be provided with an internal threaded hole, the flange plate is internally screwed and matched with a screw rod, the upper end of the screw rod is fixedly provided with a handle, the lower end of the screw rod is rotatably connected with a pressing block, and the top plate further comprises a limiting mechanism for limiting the pressing block; the upper surface of the pressing block is concave to form an upper semicircular groove, and the diameter of the upper semicircular groove is consistent with that of the lower semicircular groove.
2. An elongated tube bore straightening device according to claim 1, wherein the screw is a double-start threaded screw, and the internal thread provided in the internal threaded bore matches the double-start threaded screw.
3. An elongated tube inner bore straightening device according to claim 1, wherein a foot rest is fixedly mounted at the lower end of the base plate.
4. The slender tube inner hole straightening device according to claim 1, wherein the limiting mechanism comprises a limiting plate, a through hole in sliding fit with the upright post is formed in the limiting plate, the limiting plate is in sliding fit with the upright post, an installation part is arranged at the lower end of the screw rod, an annular groove is circumferentially formed in the installation part, a notch matched with the installation part is formed in the pressing block, at least two fixing pins are arranged in the notch, and the fixing pins are in sliding fit in the annular groove; the pressing block is fixedly connected with the limiting plate.
5. The slender tube inner bore straightening device according to claim 1, wherein the flange plate is fixedly connected with the top plate through bolts, and a positioning pin is arranged between the flange plate and the top plate.
6. An elongated tube bore straightening device according to claim 1, wherein the movable spacer and the pressing block are made of brass.
7. An elongated tube inner bore straightening device according to claim 1, wherein the upright posts are fixedly connected with the bottom plate and the top plate by screws.
8. An elongated tube bore straightening device according to claim 1, wherein the base is fixedly connected to the base plate by screws.
9. An elongated tube inner bore straightening device according to claim 1, wherein the base plate is provided with positioning holes, and the base is provided with positioning through holes, wherein the positioning holes and the positioning through holes are arranged oppositely and connected through connecting pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921425302.8U CN210450405U (en) | 2019-08-30 | 2019-08-30 | Slender pipe inner hole straightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921425302.8U CN210450405U (en) | 2019-08-30 | 2019-08-30 | Slender pipe inner hole straightening device |
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| Publication Number | Publication Date |
|---|---|
| CN210450405U true CN210450405U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921425302.8U Active CN210450405U (en) | 2019-08-30 | 2019-08-30 | Slender pipe inner hole straightening device |
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| CN (1) | CN210450405U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842542A (en) * | 2020-06-03 | 2020-10-30 | 武汉船用机械有限责任公司 | Correcting device for welding deformation of structural part |
-
2019
- 2019-08-30 CN CN201921425302.8U patent/CN210450405U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842542A (en) * | 2020-06-03 | 2020-10-30 | 武汉船用机械有限责任公司 | Correcting device for welding deformation of structural part |
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