CN219379766U - CNC clamp for aluminum profile extrusion die - Google Patents
CNC clamp for aluminum profile extrusion die Download PDFInfo
- Publication number
- CN219379766U CN219379766U CN202320401733.0U CN202320401733U CN219379766U CN 219379766 U CN219379766 U CN 219379766U CN 202320401733 U CN202320401733 U CN 202320401733U CN 219379766 U CN219379766 U CN 219379766U
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- die
- screw rod
- aluminum profile
- clamping
- profile extrusion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to an CNC fixture for an aluminum profile extrusion die, which comprises a base, wherein turnover body supporting seats are arranged on two sides above the base, and turnover bodies are rotatably connected between the two turnover body supporting seats; the overturning body is provided with a die positioning groove, a die pressing cover is detachably connected to the opening of the die positioning groove, and a containing cavity for installing a die is formed between the die positioning groove and the die pressing cover; the bottom of the die positioning groove and the cover plate of the die gland are provided with through processing windows; the base is also movably connected with a clamping block for clamping or releasing the overturning body. The scheme can effectively solve the problems that two sides of the processing die need to be clamped twice and positioning errors are easy to generate, improves the positioning precision and the processing efficiency, and simultaneously is stable and reliable in positioning and clamping.
Description
Technical Field
The utility model belongs to the technical field of aluminum profile die processing equipment, and particularly relates to a CNC clamp for an aluminum profile extrusion die.
Background
Currently, an aluminum profile extrusion die is generally processed by CNC (computer numerical control) machine tool, and before the processing, a cylindrical die is required to be clamped and positioned by a clamp such as a chuck on the machine tool. Because the front surface and the back surface of the die need to be processed, when the existing chuck is adopted for clamping, after the processing of one surface is finished, the die needs to be taken down, turned over and reinstalled to the chuck, and then the other surface needs to be processed; and because clamping is carried out again, the alignment of the table is required to be repeated, and the CNC processing auxiliary clamping time of the die is increased. In addition, the positioning reference surfaces of the two clamping dies are different, so that positioning errors can be generated, and the processing precision of the dies is affected.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the CNC clamp for the aluminum profile extrusion die solves the problems that two sides of a processing die need to be clamped twice, the efficiency is low, positioning errors are easy to generate, and meanwhile positioning and clamping are stable and reliable.
According to the technical scheme of the utility model, the CNC fixture of the aluminum profile extrusion die comprises a base, wherein turnover body supporting seats are arranged on two sides above the base, and turnover bodies are rotatably connected between the two turnover body supporting seats; the overturning body is provided with a die positioning groove, a die pressing cover is detachably connected to the opening of the die positioning groove, and a containing cavity for installing a die is formed between the die positioning groove and the die pressing cover; the bottom of the die positioning groove and the cover plate of the die gland are provided with through processing windows; the base is also movably connected with a clamping block for clamping or releasing the overturning body.
Further, the clamping block comprises two symmetrically arranged below two sides of the overturning body, and the upper end of the clamping block is provided with a clamping inclined plane; the clamping inclined planes of the two clamping blocks are oppositely arranged and face the overturning body.
Further, a limiting sliding groove is formed in the base, a positive and negative screw rod is connected to the limiting sliding groove in a rotating mode, a first nut sliding block and a second nut sliding block are sleeved on the positive and negative screw rod and are in threaded connection with the positive and negative screw rod, the first nut sliding block and the second nut sliding block are in sliding connection with the limiting sliding groove in a matched mode, and a clamping block is fixedly connected to the first nut sliding block and the second nut sliding block respectively.
Further, two ends of the base are respectively provided with a screw rod supporting seat and a screw rod fixing seat, and two ends of the positive and negative screw rods are respectively in rotary connection with the screw rod supporting seat and the screw rod fixing seat through screw rod bearings; the front and back screw rods are located at one end of the screw rod fixing seat and extend outwards and are connected with a spanner.
Further, a screw rod bearing gland is arranged on the outer side of the screw rod fixing seat; the front and back screw rods are also sleeved with screw rod end nuts between the wrench and screw rod bearings adjacent to the wrench; the front and back screw rod is provided with a snap spring groove outside the screw rod bearing and sleeved with a snap spring.
Further, a positioning ring with a wedge-shaped section is arranged between the mold positioning groove and the mold, and the mold positioning groove is provided with a positioning inclined plane matched with the positioning ring.
Further, the turnover body rotating shafts are arranged on two sides of the turnover body, and the turnover body rotating shafts are rotationally connected with the turnover body supporting seat through turnover body bearings.
Further, the invert body bearings on each side include an invert body bearing on the inboard side and an invert body bearing on the outboard side; the turning body rotating shaft is also sleeved with a turning body end nut at the outer side of the turning body outer side bearing.
Further, the rotating shaft line of the overturning body is parallel to the processing end face of the die, the rotating shaft line of the overturning body penetrates through the cylindrical central axis of the die, and the rotating shaft line of the overturning body is parallel to the base.
Further, the die gland is in threaded connection with the overturning body through a compression bolt.
Compared with the prior art, the utility model has the following beneficial technical effects:
1. the clamp of the scheme clamps the die on the turnover body, clamps the turnover body through the clamping blocks to position, after one surface of the die is machined, the clamping blocks are only required to be loosened, the turnover body enables the other surface of the die to be upward, and then the clamping blocks are clamped, so that the other surface of the die can be machined. The scheme adopts one-time clamping, the positioning reference surface is unchanged when two sides of the die are machined, the positioning precision can be effectively improved, the auxiliary clamping time is shortened, and the machining efficiency is improved.
2. The clamp of this scheme sets up the clamp block in upset body below, and the clamp block is through pressing from both sides tight inclined plane and upset body contact, makes the upset body not only receive the clamping force to the center after being pressed from both sides tightly, receives ascending lifting force again, guarantees the rigidity of clamp when processing mills, guarantees that the mould location is stable.
3. The clamp of the scheme adopts the positive and negative screw rod to drive the clamping blocks to clamp the overturning body, and the positive and negative screw rod has self-centering property, so that the symmetrical and consistent actions of the clamping blocks are ensured, and the forces acting on the left side and the right side of the overturning body are balanced.
4. The clamp of the scheme adopts the positioning ring to position the die and uses the die gland to compress tightly, thereby further ensuring the positioning reliability.
Drawings
Fig. 1 is a schematic perspective view of a clamp according to an embodiment of the present utility model.
Fig. 2 is a schematic perspective view of a clamping block in the clamp shown in fig. 1.
Fig. 3 is a rear cross-sectional schematic view of the clamp of fig. 1.
Fig. 4 is a schematic top view of the clip of fig. 1.
Fig. 5 is a right side partial cross-sectional schematic view of the clamp of fig. 1.
Fig. 6 is a right side schematic view of the clamp of fig. 1.
Reference numerals in the drawings illustrate:
1. a base;
2. a turnover body supporting seat;
3. a turnover body;
4. a die positioning groove;
5. pressing a die cover;
6. a processing window;
7. a clamping block;
8. clamping inclined planes;
9. limiting sliding grooves;
10. a positive and negative screw rod;
11. a first nut slider;
12. a second nut slider;
13. a screw rod supporting seat;
14. a screw rod fixing seat;
15. a screw rod bearing;
16. a wrench;
17. a screw rod bearing gland;
18. a screw end nut;
19. clamping springs;
20. a positioning ring;
21. a turnover body rotating shaft;
22. turning over the in-vivo bearing;
23. turning over the in vitro bearing;
24. turning the end nut of the body;
25. a compression bolt;
m, a die.
Detailed Description
The utility model provides an aluminum profile extrusion die CNC clamp which is used for CNC machining of an extrusion die and replaces the traditional chuck clamping mode for CNC machining of the die, so that the problems that two sides of a machining die need to be clamped twice and positioning errors are easy to generate are solved, positioning accuracy and machining efficiency are improved, and meanwhile, positioning clamping is stable and reliable.
Referring to fig. 1, an embodiment of the CNC clamp for an aluminum extrusion die of the present utility model includes a base 1 for horizontally fixing the clamp on a machine tool table. The both sides of base 1 top all are provided with upset body supporting seat 2, rotate between two upset body supporting seats 2 and be connected with upset body 3. The turnover body 3 is provided with a die positioning groove 4, the turnover body 3 is detachably connected with a die pressing cover 5 at the opening of the die positioning groove 4, for example, the die pressing cover 5 is provided with a through hole, the turnover body 3 is provided with a corresponding screw hole, and the die pressing cover 5 is in threaded connection with the turnover body 3 through a compression bolt 25 (four M20 x 80 hexagon bolts can be used).
Referring to fig. 3, a receiving cavity for mounting the mold M is formed between the mold positioning groove 4 and the mold pressing cover 5, and the shape of the receiving cavity is matched with that of the mold M. The bottom of the die positioning groove 4 and the cover plate of the die gland 5 are provided with through processing windows 6, the processing windows 6 are large enough to enable the upper and lower processing end surfaces of the die M to be exposed outside, the processing cutter can process the die positioning groove, and the processing cutter cannot contact the die gland 5 or the die positioning groove 4.
The base 1 is also movably connected with a clamping block 7 for clamping or releasing the overturning body. In one embodiment, as shown in fig. 4, the clamping block 7 at least comprises two symmetrically arranged below two sides of the turnover body 3; as shown in fig. 2, the upper end of the clamping block 7 is provided with a clamping inclined surface 8, and the clamping inclined surfaces 8 of the two clamping blocks are oppositely arranged and face the overturning body 3.
Referring to fig. 5, in the preferred embodiment, a limiting chute 9 is formed on a base 1, a forward and reverse screw rod 10 is rotationally connected to the limiting chute 9, a first nut slider 11 and a second nut slider 12 are respectively sleeved and screwed on two ends of the forward and reverse screw rod 10, the first nut slider 11 and the second nut slider 12 are both slidingly connected with the limiting chute 9 in a matching manner, and a clamping block 7 is respectively fixed on the first nut slider 11 and the second nut slider 12. The first nut slider 11 and the second nut slider 12 can both adopt a split structure composed of a screw nut and a screw nut connecting seat, the screw nut is in threaded connection with the positive and negative screw 10, the screw nut connecting seat is fixed outside the screw nut, and the screw nut connecting seat is, for example, integrally rectangular, so as to be slidably arranged in a limit chute 9 of the rectangular. Under the limiting action of the limiting chute 9, the first nut sliding block 11 and the second nut sliding block 12 synchronously and reversely move along with the rotation of the positive and negative screw rods 10, so that the two clamping blocks 7 are close (clamped) and far (loosened).
Two ends of the base 1 are respectively provided with a screw rod supporting seat 13 and a screw rod fixing seat 14, and two ends of the positive and negative screw rods 10 are respectively in rotary connection with the screw rod supporting seat 13 and the screw rod fixing seat 14 through screw rod bearings 15. On one side (i.e., the left side in fig. 5) of the screw fixing seat 14, the forward and reverse screw 10 is located at one end of the screw fixing seat 14, extends outwards and is connected with a wrench 16, so that the forward and reverse screw 10 can be conveniently rotated by pulling the wrench 16; the screw rod bearings 15 on the side are two 7204 bearings, a screw rod end nut 18 is sleeved between the spanner 16 and the screw rod bearings 15 adjacent to the spanner 16 by the positive and negative screw rod 10, a screw rod bearing gland 17 is further arranged on the outer side of the screw rod fixing seat 14, and the screw rod fixing seat 14 is sleeved on the outer side of the screw rod end nut 18; thereby the positive and negative screw rod 10 and the screw rod bearing 15 are stably positioned at the side, the position is ensured to be fixed, and the positive and negative screw rod 10 can only rotate stably along the axis.
On one side (i.e. the right side in fig. 5) of the screw rod supporting seat 13, the screw rod bearing 15 is a 6204 bearing, and the front and back screw rods 10 are also provided with snap spring grooves outside the screw rod bearing 15 and sleeved with snap springs 19; thereby playing a good supporting role on the side, and ensuring flexible rotation and no clamping without being positioned as strictly as one side of the screw rod fixing seat 14.
Both sides of the turnover body 3 are turnover body rotating shafts 21, and the turnover body rotating shafts 21 are rotatably connected with the turnover body supporting seat 2 through turnover body bearings. Preferably, the invert body bearings on each side include an inboard invert body bearing 22 (e.g., 30210 bearing) and an outboard invert body bearing 23 (e.g., 30209 bearing); the turning body rotating shaft 21 is also sleeved with a turning body end nut 24 (such as a slotted nut) at the outer side of the turning body outer side bearing 23; thereby further ensuring the overall structure and the rotation stability of the turnover body 3.
More preferably, as shown in fig. 3, a positioning ring 20 with a wedge-shaped section is further arranged between the die positioning groove 4 and the die, and the die positioning groove 4 is provided with a positioning inclined surface matched with the positioning ring 20 so as to be matched with a step on the outer side surface of the cylinder of the die M, when the die gland 5 is installed to press the die M downwards, the positioning ring 20 moves downwards along with the die, and the die M is clamped and positioned inwards from the periphery.
Still preferably, as shown in fig. 1 and 6, the turnover body support seat 2 and the base 1 are formed with through holes from the side, so that the metal scraps generated by milling are conveniently discharged, the working state of the front and back screw rod 10 and the upper parts thereof can be observed, and the functions of reducing weight and saving materials can be achieved.
The working process and principle of the clamp of the preferred embodiment of the utility model are as follows. The die M (for example, an upper die of an extrusion die) is placed into the die positioning groove 4 of the overturning body 3, the die M is positioned by the positioning ring 20 and is pressed by the die pressing cover 5, so that the positioning reliability is further ensured. The turnover body 3 is clamped and positioned through the clamping block 7, and the clamping block 7 is contacted with two sides below the turnover body 3 through the clamping inclined surface 8, so that the turnover body 3 is clamped and then subjected to clamping force towards the center and lifting force upwards, the rigidity of the clamp during machining and milling is ensured, and the positioning stability of the die is ensured. The driving mode of the clamping block 7 preferably adopts a positive and negative screw rod 10, and the positive and negative screw rod 10 has self-centering property, so that the symmetrical and consistent action of the clamping block 7 is ensured, and the forces acting on the left side and the right side of the overturning body 3 are balanced. After one surface of the die M is machined, the clamping block 7 is loosened, the turnover body 3 is turned to enable the other surface of the die M to face upwards, and then the clamping block 7 is clamped, so that the other surface of the die M can be machined. The rotating shaft line of the overturning body 3 is parallel to the processing end face of the die M, the rotating shaft line of the overturning body 3 penetrates through the cylindrical central axis of the die M, the rotating shaft line of the overturning body 3 is parallel to the base 1, the two processing end faces of the die M are guaranteed to be parallel to the workbench of the machine tool during processing, the cylindrical central axis of the die M is unchanged in position, and CNC processing is facilitated; the machining process is only carried out once, the positioning reference surface is unchanged when the two sides of the die are machined, the positioning precision can be effectively improved, the auxiliary clamping time is shortened, and the machining efficiency is improved.
Claims (10)
1. The CNC clamp for the aluminum profile extrusion die is characterized by comprising a base (1), wherein turnover body supporting seats (2) are arranged on two sides above the base (1), and turnover bodies (3) are rotatably connected between the two turnover body supporting seats (2); a die positioning groove (4) is formed in the overturning body (3), a die pressing cover (5) is detachably connected to the opening of the die positioning groove (4) in the overturning body (3), and a containing cavity for installing a die (M) is formed between the die positioning groove (4) and the die pressing cover (5); the bottom of the die positioning groove (4) and the cover plate of the die pressing cover (5) are provided with through processing windows (6); the base (1) is also movably connected with a clamping block (7) for clamping or releasing the overturning body.
2. The CNC clamp for the aluminum profile extrusion die according to claim 1, wherein the clamping blocks (7) comprise two symmetrically arranged below two sides of the overturning body (3), and the upper ends of the clamping blocks (7) are provided with clamping inclined planes (8); the clamping inclined planes (8) of the two clamping blocks are oppositely arranged and face the overturning body (3).
3. The CNC clamp for the aluminum profile extrusion die according to claim 2, wherein a limit chute (9) is formed in the base (1), a forward and reverse screw rod (10) is rotationally connected to the limit chute (9), a first nut sliding block (11) and a second nut sliding block (12) are sleeved on the forward and reverse screw rod (10) in threaded connection, the first nut sliding block (11) and the second nut sliding block (12) are in sliding connection with the limit chute (9) in a matched mode, and one clamping block (7) is fixedly connected to each of the first nut sliding block (11) and the second nut sliding block (12).
4. The CNC clamp of the aluminum profile extrusion die according to claim 3, wherein two ends of the base (1) are respectively provided with a screw rod supporting seat (13) and a screw rod fixing seat (14), and two ends of the positive and negative screw rods (10) are respectively connected with the screw rod supporting seat (13) and the screw rod fixing seat (14) in a rotating way through screw rod bearings (15); the front and back screw rods (10) are located at one ends of the screw rod fixing seats (14) and extend outwards and are connected with a spanner (16).
5. The CNC clamp of the aluminum profile extrusion die according to claim 4, wherein a screw bearing gland (17) is further arranged on the outer side of the screw fixing seat (14); the positive and negative screw rod (10) is also sleeved with a screw rod end nut (18) between the wrench (16) and the screw rod bearing (15) adjacent to the wrench (16);
and a snap spring groove is formed in the front and back screw rods (10) outside the screw rod bearing (15) at one side of the screw rod supporting seat (13) and a snap spring (19) is sleeved on the front and back screw rods.
6. The CNC clamp of an aluminum profile extrusion die according to any one of claims 1 to 5, wherein a positioning ring (20) having a wedge-shaped cross section is further provided between the die positioning groove (4) and the die, and the die positioning groove (4) is provided with a positioning inclined surface matched with the positioning ring (20).
7. The CNC clamp of an aluminum profile extrusion die according to any one of claims 1 to 5, wherein both sides of the turnover body (3) are turnover body rotating shafts (21), and the turnover body rotating shafts (21) are rotatably connected with the turnover body supporting seat (2) through turnover body bearings.
8. The aluminum profile extrusion die CNC clamp of claim 7, wherein the invert body bearings on each side include an inboard invert body bearing (22) and an outboard invert body bearing (23); the turning body rotating shaft (21) is also sleeved with a turning body end nut (24) at the outer side of the turning body outer side bearing (23).
9. The CNC clamp of an aluminum profile extrusion die according to any one of claims 1 to 5, wherein the rotational axis of the turning body (3) is parallel to the machined end face of the die (M), the rotational axis of the turning body (3) passes through the central axis of the cylinder of the die (M), and the rotational axis of the turning body (3) is parallel to the base (1).
10. The aluminum profile extrusion die CNC clamp according to any one of claims 1 to 5, wherein the die gland (5) is screwed with the turning body (3) by means of a compression bolt (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320401733.0U CN219379766U (en) | 2023-03-06 | 2023-03-06 | CNC clamp for aluminum profile extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320401733.0U CN219379766U (en) | 2023-03-06 | 2023-03-06 | CNC clamp for aluminum profile extrusion die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219379766U true CN219379766U (en) | 2023-07-21 |
Family
ID=87166474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320401733.0U Active CN219379766U (en) | 2023-03-06 | 2023-03-06 | CNC clamp for aluminum profile extrusion die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219379766U (en) |
-
2023
- 2023-03-06 CN CN202320401733.0U patent/CN219379766U/en active Active
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