CN213256732U - Fixture for straightening hollow ultrathin special-shaped aluminum alloy extruded section - Google Patents
Fixture for straightening hollow ultrathin special-shaped aluminum alloy extruded section Download PDFInfo
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- CN213256732U CN213256732U CN202021858859.3U CN202021858859U CN213256732U CN 213256732 U CN213256732 U CN 213256732U CN 202021858859 U CN202021858859 U CN 202021858859U CN 213256732 U CN213256732 U CN 213256732U
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- upper die
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Abstract
A clamp for straightening a hollow ultrathin special-shaped aluminum alloy extruded section comprises an upper die base, a lower die base and a central shaft, wherein a butt joint block is fixed on one side of the outer wall of the bottom of the upper die base and one side of the outer wall of the top of the lower die base, a hinged connection block is fixed on the other side of the outer wall of the bottom of the upper die base and the other side of the outer wall of the top of the lower die base, the hinged connection blocks on the upper die base and the lower die base are hinged through a connection shaft, a mounting groove is formed in the butt joint surface of the upper die base and the lower die base, a hoof-shaped liquid groove is fixed in the mounting groove, a plurality of piston cylinders communicated with the hoof-shaped liquid groove are uniformly distributed on the arc inner surface of the hoof-shaped liquid groove, a piston rod is connected outside the piston cylinder on the piston cylinder, the central shaft with an elastic support column is designed, force is applied to the inside and the outside of the section bar simultaneously, so that the end of the section bar is prevented from being flattened or broken, and the subsequent straightening process is facilitated.
Description
Technical Field
The utility model relates to an aluminum alloy ex-trusions production technical field especially relates to an ultra-thin special-shaped aluminum alloy of cavity anchor clamps for extrusion section bar aligning.
Background
The density of the aluminum profile is only 2.7g/cm3, which is about 1/3 the density of steel, copper or brass. Aluminum can exhibit excellent corrosion resistance under most environmental conditions, including in air, water (or brine), petrochemistry, and many chemical systems, and is therefore widely used in life.
The aluminum profile needs to be stretched, straightened and formed in the processing process, the existing mold matched with the stretching and straightening of the aluminum alloy profile is used for dragging the jaw occluded profile and the square cushion block backwards to stretch and straighten in the working process, but the mold is single and cannot adapt to profiles of different styles, particularly hollow profiles.
Disclosure of Invention
The utility model provides a solve above-mentioned problem, provide an ultra-thin special-shaped aluminum alloy extrusion section bar of cavity anchor clamps for aligning.
The utility model discloses the technical scheme who takes:
a clamp for straightening a hollow ultrathin special-shaped aluminum alloy extruded section comprises an upper die base, a lower die base and a central shaft, wherein a butt joint block is fixed on one side of the outer wall of the bottom of the upper die base and one side of the outer wall of the top of the lower die base, a hinged connection block is fixed on the other side of the outer wall of the bottom of the upper die base and the other side of the outer wall of the top of the lower die base, the hinged connection blocks on the upper die base and the lower die base are hinged through a connection shaft, a mounting groove is formed in the butt joint surface of the upper die base and the lower die base, a horseshoe-shaped liquid groove is fixed in the mounting groove, a plurality of piston cylinders communicated with the horseshoe-shaped liquid groove are uniformly distributed and mounted on the arc inner surface of the horseshoe-shaped liquid groove, piston pads are connected in a sliding manner in the piston cylinders, liquid through holes are formed in the horseshoe-shaped liquid, the central shaft is inserted into the circular cavity, and a plurality of telescopic elastic support columns are fixed on the outer wall of the central shaft in the circumferential direction.
Bolt holes are formed in the opposite positions of the butt joint blocks, and the two butt joint blocks are locked through bolts.
The end of the piston rod is connected with an outer pressing plate.
The central shaft is circumferentially provided with a plurality of circular grooves, the circular grooves are internally provided with inner cushion blocks in a sliding mode, the inner cushion blocks are connected with elastic support columns, and springs are sleeved on the elastic support columns.
The outer end of the elastic support column is connected with an inner pressing plate.
The center pin overcoat have the gum cover, correspond circular recess position on the gum cover and seted up the circular port, elasticity supports the post and passes from the circular port and get into circular recess in, the outer lane diameter of spring is greater than the circular port diameter.
The utility model has the advantages that: the utility model relates to a center pin that has elasticity and support the post supports the well kenozooecium branch of cavity section bar, takes place deformation when avoiding pressing from both sides the dress, and elasticity supports the post and makes the center pin be fit for multiple dysmorphism structure, and the arc internal surface equipartition piston cylinder in hoof shape liquid groove to hydraulic piston presss from both sides tight aluminum alloy ex-trusions, and the inside and outside application of force simultaneously of section bar avoids the section bar end to flatten or fracture, the follow-up aligning process of being convenient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the connection structure between the upper die base and the hoof-shaped liquid tank of the present invention.
Fig. 3 is a schematic diagram of the central shaft structure of the present invention.
Wherein: 1-an upper die holder; 2-a hoof-shaped liquid bath; 3-a pipe groove; 4-butting blocks; 5-bolt; 6-a lower die holder; 7-hinged connecting blocks; 8-a connecting shaft; 9-a piston cylinder; 10-piston pad; 11-a piston rod; 12-outer press plate; 13-a central axis; 14-a circular groove; 15-inner cushion block; 16-a rubber sleeve; 17-a spring; 18-elastic support columns; 19-an inner press plate; 20-liquid through.
Detailed Description
A clamp for straightening a hollow ultrathin special-shaped aluminum alloy extruded section comprises an upper die base 1, a lower die base 6 and a central shaft 13, wherein a butt joint block 4 is fixed on one side of the outer wall of the bottom of the upper die base 1 and the outer wall of the top of the lower die base 6, a hinged joint block 7 is fixed on the other side of the outer wall of the bottom of the upper die base 1, the hinged joint block 7 on the upper die base 1 and the lower die base 6 is hinged through a connecting shaft 8, a mounting groove is formed in the butt joint surface of the upper die base 1 and the lower die base 6, a horseshoe-shaped liquid groove 2 is fixed in the mounting groove, a plurality of piston cylinders 9 communicated with the horseshoe-shaped liquid groove 2 are uniformly distributed and mounted on the arc inner surface of the horseshoe-shaped liquid groove 2, piston pads 10 are connected in the piston cylinders 9 in a sliding manner, piston rods 11 are connected to the piston cylinders 9 from the upper portions of the piston, a round cavity is formed in the middle of the butt joint of the hoof-shaped liquid groove 2 on the upper die holder 1 and the hoof-shaped liquid groove 2 on the lower die holder 6, the central shaft 13 is inserted into the round cavity, and a plurality of elastic support columns 18 which can stretch are circumferentially fixed on the outer wall of the central shaft 13.
Bolt holes are formed in the opposite positions of the butt joint blocks 4, and the butt joint blocks 4 are locked through bolts 5.
The end of the piston rod 11 is connected with an outer pressing plate 12.
The central shaft 13 is circumferentially provided with a plurality of circular grooves 14, inner cushion blocks 15 are arranged in the circular grooves 14 in a sliding mode, the inner cushion blocks 15 are connected with elastic support columns 18, and springs 17 are sleeved on the elastic support columns 18.
The outer end of the elastic support column 18 is connected with an inner pressure plate 19.
The central shaft 13 overcoat have gum cover 16, correspond circular recess 14 position on the gum cover 16 and seted up the circular port, elasticity supports post 18 and passes from the circular port and get into circular recess 14 in, the outer lane diameter of spring 17 is greater than the circular port diameter.
When the device is applied, the upper die holder 1 rotates around the connecting shaft 8 to be opened from the lower die holder 6, the end of the hollow ultrathin special-shaped aluminum alloy section is placed on the hoof-shaped liquid groove 2 of the lower die holder 6, then the upper die holder 1 rotates to be buckled on the lower die holder 6, then the central shaft 13 is filled in the hollow cavity of the hollow ultrathin special-shaped aluminum alloy section, the height of the elastic prop 18 on the peripheral surface of the central shaft 13 is adjusted to adapt to the special-shaped surface, the height can be adjusted along with the shape of the section, the inner pressing plate 19 is pressed against the inner surface of the section, then the bolt 5 is used for locking the opposite butt-joint blocks 4 on the upper die holder 1 and the lower die holder 6, the hoof-shaped liquid groove 2 is connected with an external hydraulic pump through a liquid conveying pipe at the liquid through opening 20, hydraulic pressure is applied to the inside of the hoof-shaped liquid groove 2, the piston cylinder 9, the outer surface and the inner surface of the section bar are simultaneously clamped, so that the deformation or the fracture of the end of the section bar can be avoided.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (6)
1. The clamp for straightening the hollow ultrathin special-shaped aluminum alloy extruded section is characterized by comprising an upper die base (1), a lower die base (6) and a central shaft (13), wherein a butt joint block (4) is fixed on one side of the bottom outer wall of the upper die base (1) and one side of the top outer wall of the lower die base (6), a hinged joint block (7) is fixed on the other side of the bottom outer wall of the upper die base (1), the hinged joint blocks (7) on the upper die base (1) and the lower die base (6) are hinged through connecting shafts (8), a mounting groove is formed in the butt joint surface of the upper die base (1) and the lower die base (6), a horseshoe-shaped liquid groove (2) is fixed in the mounting groove, a plurality of piston cylinders (9) communicated with the horseshoe-shaped liquid groove (2) are uniformly distributed on the arc inner surface of the horseshoe-shaped liquid groove (2), piston pads (10) are connected, seted up on hoof shape liquid groove (2) and led to liquid mouth (20), correspond on upper die base (1) and die holder (6) and lead to liquid mouth (20) position and set up tube seat (3) with the transfer line of leading to liquid mouth (20) and be connected, hoof shape liquid groove (2) on upper die base (1) and the hoof shape liquid groove (2) on die holder (6) dock the middle circular cavity that forms in the middle of the back, center pin (13) insert in the circular cavity, the outer wall circumference of center pin (13) is fixed with a plurality of telescopic elasticity and supports post (18).
2. The clamp for straightening the hollow ultrathin special-shaped aluminum alloy extruded profile according to claim 1, wherein bolt holes are formed in the butt-joint blocks (4) at opposite positions, and the butt-joint blocks (4) are locked through bolts (5).
3. The clamp for straightening the hollow ultrathin special-shaped aluminum alloy extruded profile according to claim 2, wherein the end of the piston rod (11) is connected with an outer pressing plate (12).
4. The clamp for straightening the hollow ultrathin special-shaped aluminum alloy extruded section according to claim 3, wherein a plurality of circular grooves (14) are formed in the circumferential direction of the central shaft (13), inner cushion blocks (15) are arranged in the circular grooves (14) in a sliding mode, elastic abutting columns (18) are connected to the inner cushion blocks (15), and springs (17) are sleeved on the elastic abutting columns (18).
5. The hollow ultra-thin special-shaped aluminum alloy extruded profile straightening clamp according to claim 4, characterized in that an inner pressing plate (19) is connected to the outer end of the elastic supporting column (18).
6. The clamp for straightening the hollow ultrathin special-shaped aluminum alloy extruded section according to claim 5, wherein a rubber sleeve (16) is sleeved outside the central shaft (13), a circular hole is formed in the rubber sleeve (16) corresponding to the circular groove (14), the elastic abutting column (18) penetrates into the circular groove (14) from the circular hole, and the diameter of the outer ring of the spring (17) is larger than that of the circular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021858859.3U CN213256732U (en) | 2020-08-31 | 2020-08-31 | Fixture for straightening hollow ultrathin special-shaped aluminum alloy extruded section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021858859.3U CN213256732U (en) | 2020-08-31 | 2020-08-31 | Fixture for straightening hollow ultrathin special-shaped aluminum alloy extruded section |
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| Publication Number | Publication Date |
|---|---|
| CN213256732U true CN213256732U (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021858859.3U Active CN213256732U (en) | 2020-08-31 | 2020-08-31 | Fixture for straightening hollow ultrathin special-shaped aluminum alloy extruded section |
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| CN (1) | CN213256732U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115069832A (en) * | 2022-07-28 | 2022-09-20 | 江苏科技大学 | Column shell structure heat treatment shape correction tool and process |
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2020
- 2020-08-31 CN CN202021858859.3U patent/CN213256732U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115069832A (en) * | 2022-07-28 | 2022-09-20 | 江苏科技大学 | Column shell structure heat treatment shape correction tool and process |
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