CN219724179U - Correction device for small screw - Google Patents
Correction device for small screw Download PDFInfo
- Publication number
- CN219724179U CN219724179U CN202321101765.5U CN202321101765U CN219724179U CN 219724179 U CN219724179 U CN 219724179U CN 202321101765 U CN202321101765 U CN 202321101765U CN 219724179 U CN219724179 U CN 219724179U
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- CN
- China
- Prior art keywords
- screw rod
- screw
- workstation
- positioning seat
- thimble
- Prior art date
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- 238000003825 pressing Methods 0.000 claims abstract description 26
- 230000000694 effects Effects 0.000 claims abstract description 3
- 230000002146 bilateral effect Effects 0.000 claims abstract 2
- 238000005452 bending Methods 0.000 claims description 10
- 238000004080 punching Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010137 moulding (plastic) Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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- Forging (AREA)
Abstract
The utility model provides a correcting unit of little screw rod, includes the workstation, bilateral symmetry installs the positioning seat on the workstation, positioning seat upper portion processing constant head tank, places the screw rod in the constant head tank, and the crooked summit of screw rod up, one side that the positioning seat is on the back of the body corresponds and is equipped with hydraulic tailstock, and one side that hydraulic tailstock orientation positioning seat is equipped with the thimble, and the workstation top is equipped with the briquetting, goes up briquetting upper portion and connects punching press portion, and the activity has placed the altimeter on the workstation. The screw is placed in the positioning groove, the height of each part of the screw is measured by using the height measuring instrument, the upward placement of the bent top point of the screw is ensured, the hydraulic tailstock drives the thimble to extend into the thimble holes at the two ends of the screw to lift and position the screw, and the punching part drives the upper pressing block to press down at the bent top point to correct the screw. The device adopts the end location mode, fixes a position to the screw rod both ends through hydraulic tailstock drive top, guarantees that the center of screw rod can not take place to deflect, and the screw rod is whole to warp evenly, easy operation, guarantees product quality.
Description
Technical Field
The utility model relates to a correction device for a small screw.
Background
The screw is widely used in plastic molding equipment, such as plastic profile extruders, injection molding machines and the like, the screw and the machine barrel are core components of the plastic molding equipment, are parts for heating extrusion and plasticizing, are cores of plastic machinery, and are widely used in machining centers, CNC machines, numerical control lathes, injection molding machines, wire cutting, grinding machines, milling machines and the like. The screw rod requires high straightness accuracy when using, consequently need to straighten the screw rod when processing, current alignment process is usually with screw rod both ends place on the base, and the crooked summit at screw rod middle part is up, then pushes down the back through the briquetting and rectifies, because the screw rod does not have whole location, the screw rod center takes place skew or deflects easily when pushing down, and the screw rod is whole to warp unevenly, influences the correction effect.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a correction device for a small screw.
In order to achieve the above purpose, the utility model provides a correction device for a small screw, which comprises a workbench, wherein positioning seats are symmetrically arranged on the workbench in a left-right mode, positioning grooves are formed in the upper parts of the positioning seats, the screw is placed in the positioning grooves, the bending vertexes of the screw face upwards, a hydraulic tailstock is correspondingly arranged on one side, opposite to the positioning seats, of the positioning seats, a thimble is arranged on one side, facing the positioning seats, of the hydraulic tailstock, an upper pressing block is arranged above the workbench, the upper parts of the upper pressing blocks are connected with a punching part, and a altimeter is movably placed on the workbench.
As a further improvement of the utility model, after the screw is placed in the positioning groove, the central axis of the thimble is higher than the central height of the thimble holes at the two ends of the screw.
As a further improvement of the utility model, the upper press block is located right above the bending vertex of the screw.
As a further improvement of the utility model, the bottom of the upper pressing block is provided with a pressing groove along the horizontal direction, and the cross section of the pressing groove is arc-shaped.
As a further improvement of the utility model, the cross section of the positioning groove is circular arc.
As a further improvement of the utility model, the cross section of the positioning groove is V-shaped.
The beneficial effects of the utility model are as follows:
the device adopts the end locate mode, cooperates the height gauge to place the crooked summit of screw rod up, fixes a position to the screw rod both ends through hydraulic tailstock drive top, guarantees that the center of screw rod can not take place to deflect, and the thimble is the unsettled state with the screw rod location back simultaneously, the screw rod bottom to do not contact with the locating seat, go up briquetting and the crooked summit contact at screw rod middle part and push down, whole atress is even, thereby makes the screw rod wholly warp evenly after the correction, the device easy operation guarantees product quality.
Drawings
FIG. 1 is a front view of a small screw correction device of the present utility model;
FIG. 2 is a side view of a small screw calibration device of the present utility model;
FIG. 3 is a schematic diagram I illustrating the operation of a small screw calibration device according to the present utility model;
fig. 4 is a schematic diagram ii of the operation of a small screw calibration device according to the present utility model.
In the figure: 1. a work table; 2. a positioning seat; 21. a positioning groove; 3. a height gauge; 4. a screw; 41. a top pinhole; 5. a hydraulic tailstock; 51. a thimble; 6. pressing into blocks; 61. pressing a groove; 7. and a pressing part.
Detailed Description
As shown in fig. 1 and 2, the correction device for the small screw rod provided by the utility model comprises a workbench 1, wherein a positioning seat 2 is symmetrically arranged on the workbench 1, a positioning groove 21 is formed in the upper part of the positioning seat 2, the cross section of the positioning groove 21 is arc-shaped or V-shaped, a screw rod 4 is placed in the positioning groove 21, the bent top point of the screw rod 4 faces upwards, a hydraulic tailstock 5 is correspondingly arranged on the opposite side of the positioning seat 2, a thimble 51 is arranged on the side, facing the positioning seat 2, of the hydraulic tailstock 5, after the screw rod 4 is placed in the positioning groove 21, the central axis of the thimble 51 is higher than the central height of thimble holes 41 at the two ends of the screw rod 4, an upper pressing block 6 is arranged above the workbench 1, the upper pressing block 6 is positioned right above the bent top point of the screw rod 4, a pressing groove 61 is formed in the bottom of the upper pressing block 6 along the horizontal direction, the cross section of the pressing groove 61 is arc-shaped, the upper part of the upper pressing block 6 is connected with a punching part 7, a height gauge 3 is movably placed on the workbench 1, the height gauge 3 can freely move, and the position of the gauge 3 can be freely moved, and the height of the gauge 3 can be adjusted.
The device adopts the end locate mode, cooperates the height gauge to place the crooked summit of screw rod up, fixes a position to the screw rod both ends through hydraulic tailstock drive top, guarantees that the center of screw rod can not take place to deflect, and the thimble is the unsettled state with the screw rod location back simultaneously, the screw rod bottom to do not contact with the locating seat, go up briquetting and the crooked summit contact at screw rod middle part and push down, whole atress is even, thereby makes the screw rod wholly warp evenly after the correction, the device easy operation guarantees product quality.
In specific use, to facilitate understanding of the utility model, the utility model will be described with reference to the accompanying drawings:
firstly, horizontally placing a screw in a positioning groove of a positioning seat, measuring the heights of all parts of the screw by using a height gauge, determining the initial bending amount of the screw, and adjusting the position of the screw to enable the bending vertex of the screw to be upwards placed, wherein the bending vertex is just below an upper pressing block; after the screw is placed, the hydraulic tailstock drives the thimble to extend into the thimble hole at the end part of the screw and tightly pushes the screw to be positioned, the screw moves upwards for a certain distance, and the screw is in a suspended state and is not contacted with the positioning seat; according to the initial bending amount of the screw rod and the memory characteristic of the screw rod material, the bending amount required to be applied to the screw rod is calculated in consideration of the rebound amount after bending, so that the stroke amount of an upper pressing block is determined, then the punching part descends, a pressing groove at the bottom of the upper pressing block is connected with the bending vertex of the screw rod and is pressed downwards, the upper pressing block stops descending after being moved to a preset height, the pressing state of the upper pressing block on the screw rod is kept for a few minutes (see figure 3), then the correction process is completed, the punching part is reset upwards, the screw rod rebounds through the self memory, the screw rod is enabled to ensure certain straightness (see figure 4), the punching part can be detected again by a height gauge, and finally the workpiece is taken down.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a correcting unit of little screw rod which characterized in that: including workstation (1), bilateral symmetry installs positioning seat (2) on workstation (1), positioning seat (2) upper portion processing constant head tank (21), place screw rod (4) in constant head tank (21), crooked summit up of screw rod (4), one side that positioning seat (2) is dorsad corresponds and is equipped with hydraulic tailstock (5), hydraulic tailstock (5) orientation one side of positioning seat (2) is equipped with thimble (51), workstation (1) middle part top is equipped with briquetting (6), stamping part (7) are connected on last briquetting (6) upper portion, activity has placed altimeter (3) on workstation (1).
2. The correction device for a small screw according to claim 1, wherein: after the screw rod (4) is placed in the positioning groove (21), the central axis of the thimble (51) is higher than the central height of the thimble holes (41) at the two ends of the screw rod (4).
3. The correction device for a small screw according to claim 1, wherein: the upper pressing block (6) is positioned right above the bending vertex of the screw rod (4).
4. The correction device for a small screw according to claim 1, wherein: the bottom of the upper pressing block (6) is provided with a pressing groove (61) along the horizontal direction, and the cross section of the pressing groove (61) is arc-shaped.
5. The correction device for a small screw according to claim 1, wherein: the cross section of the positioning groove (21) is arc-shaped.
6. The correction device for a small screw according to claim 1, wherein: the cross section of the positioning groove (21) is V-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321101765.5U CN219724179U (en) | 2023-05-10 | 2023-05-10 | Correction device for small screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321101765.5U CN219724179U (en) | 2023-05-10 | 2023-05-10 | Correction device for small screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219724179U true CN219724179U (en) | 2023-09-22 |
Family
ID=88032977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321101765.5U Active CN219724179U (en) | 2023-05-10 | 2023-05-10 | Correction device for small screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219724179U (en) |
-
2023
- 2023-05-10 CN CN202321101765.5U patent/CN219724179U/en active Active
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