Cast aluminum clamping mechanism

Abstract

The utility model relates to the technical field of optical fiber laser cutting machines, and discloses a cast aluminum clamping mechanism which comprises a fixing plate, and nut seats are arranged on the two sides of the front end of the fixing plate respectively. According to the cast aluminum clamping mechanism, the fixed clamps are symmetrically mounted on the mounting holes, the movable clamps are tightly jacked by hand screws during clamping, a cast aluminum product workpiece is clamped, the side edges and the convex edges of the cast aluminum product workpiece are tightly pressed through the first step grooves and the second step grooves in the fixed clamps and the movable clamps, the hand screws can be reversely screwed and loosened when the cast aluminum product workpiece is loosened after cutting is finished, and the cast aluminum product workpiece is clamped. The compression spring arranged in the inner hole can automatically bounce off the movable clamp, in the process that the movable clamp moves on one side of the fixed clamp, two sets of shoulder bolts can be used for conducting sliding guiding, a side jacking mode is adopted for clamping, the cutting head can be prevented from colliding with the head, a cast aluminum product can be higher than the clamp face after being clamped, the repeated clamping precision is high, and the machining efficiency is high. The problem that machined irregular cast aluminum product workpieces are inconvenient to clamp is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of fiber laser cutting machines, in particular to a clamping mechanism for cast aluminum. Background Technique

[0002] A fiber laser cutting machine is a laser cutting machine that uses a fiber laser generator as a light source. It outputs a laser beam with a high energy density through an internal fiber laser and focuses it on the surface of the workpiece, causing the area of the workpiece irradiated by the ultra-fine focus spot to melt and vaporize instantly. Automatic cutting is achieved by moving the position of the spot irradiation through a numerical control mechanical system. Cast aluminum products are processed by pouring molten aluminum into a mold and cooling to form the workpiece. Due to the use of molds in the processing of cast aluminum products, after the product cools and forms, some scraps will adhere to the outside of the product. During the process of removing the side materials of the product workpiece, a fiber laser cutting machine will be used. When placing the formed product workpiece inside the cutting machine for cutting, a clamping mechanism for cast aluminum is needed to facilitate the fixation of the product.

[0003] However, when the clamping mechanism for cast aluminum is used to clamp cast aluminum products, due to the irregular shapes of most cast aluminum products, there are problems such as poor clamping accuracy or even inability to clamp when using a general clamping mechanism to clamp and fix irregular cast aluminum workpieces, which is not convenient for clamping the processed cast aluminum product workpieces before cutting.

[0004] Now, a new type of clamping mechanism for cast aluminum is proposed to solve the above deficiencies. Content of the Utility Model

[0005] The purpose of the utility model is to provide a clamping mechanism for cast aluminum to solve the problem of inconvenient clamping of irregular cast aluminum product workpieces processed in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A clamping mechanism for cast aluminum includes a fixing plate. On both sides of the front end of the fixing plate, nut seats are respectively arranged, and the rear end of the nut seat is fixedly installed between the front end of the fixing plate. On the right side of the left nut seat and on the left side of the right nut seat, moving clamps are respectively arranged. On the left side of the right moving clamp and on the right side of the left moving clamp, fixed clamps are respectively arranged, and the rear end of the fixed clamp is fixedly installed between the front end of the fixing plate;

[0007] A first stepped groove is formed inside the right side of the fixed clamp, a second stepped groove is formed inside the left side of the movable clamp, a hand-tightening screw is arranged on the right side of the nut seat, and a rotating handle is fixed to the right side of the hand-tightening screw. A threaded through-hole is formed inside the nut seat. Threaded holes are respectively formed at the top and bottom of the rear end of the right side of the movable clamp, and a shoulder bolt is rotatably connected inside the threaded holes. Inner holes are respectively formed at the top and bottom of the rear end of the left side of the movable clamp, and a compression spring is fixed to the right side inside the inner holes. Jacks are respectively formed at the top and bottom of the rear end of the right side of the fixed clamp, and through-holes are respectively formed inside both sides of the front end of the fixed plate.

[0008] Further, the front and rear ends of the first stepped groove and the second stepped groove respectively penetrate through the inside of the front and rear ends of the fixed clamp and the movable clamp. The top and bottom ends of the first stepped groove and the second stepped groove respectively penetrate through the inside of the top and bottom ends of the fixed clamp and the movable clamp. The first stepped groove and the second stepped groove communicate with the inside of the through-holes.

[0009] Further, the hand-tightening screw is threadedly rotatably connected inside the threaded through-hole. The threaded through-hole penetrates through the inside of the nut seat, and the hand-tightening screw penetrates through the inside of the nut seat.

[0010] Further, the threaded holes penetrate through the inside of the movable clamp, the jacks penetrate through the inside of the fixed clamp, and the inside of the threaded holes, the inner holes and the jacks communicate with each other. The left side of the shoulder bolt respectively penetrates through the inside of the threaded holes and the compression spring, and the left side of the shoulder bolt is slidably inserted inside the jacks.

[0011] Further, the fixed clamp, the nut seat, the hand-tightening screw and the movable clamp are respectively symmetrically arranged about the vertical center line of the fixed plate.

[0012] Preferably, second reserved holes are respectively formed at the top and bottom of the left side of the front end of the fixed clamp, and second hexagon socket head cap screws are arranged inside the second reserved holes. First reserved holes are respectively formed at the top and bottom of the front end of the nut seat, and first hexagon socket head cap screws are arranged inside the first reserved holes. First threaded holes for mating and installing with the first hexagon socket head cap screws are respectively formed at the four corners of the rear end of the fixed plate. Second threaded holes for mating and installing with the second hexagon socket head cap screws are respectively arranged at the top and bottom of both sides of the rear end of the fixed plate. The second threaded holes and the first threaded holes respectively penetrate through the inside of the fixed plate. The rear end of the first hexagon socket head cap screw penetrates through the inside of the rear end of the nut seat and is rotatably connected in the first threaded hole. The rear end of the second hexagon socket head cap screw penetrates through the inside of the rear end of the fixed clamp and is rotatably connected in the second threaded hole.

[0013] Preferably, an opening is formed at the middle position of the front end of the fixed plate, and the opening penetrates through the inside of the inner side of the fixed plate. An installation hole is formed inside the front end of the opening, and the installation hole penetrates through the inside of the fixed plate.

[0014] Further, six groups of the mounting holes are arranged at equal intervals in a ring shape.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: The cast aluminum clamping mechanism not only realizes the convenient clamping of the processed cast aluminum product workpiece before cutting, realizes the convenient replacement of the clamping components, but also realizes the convenient installation of the clamping mechanism.

[0016] (1) By providing a fixing plate, a fixed clamp, a first stepped groove, a second stepped groove, a shoulder bolt, a nut seat, a hand-tightening screw, a moving clamp, a second threaded hole, a through hole, a first threaded hole, a screw hole, an inner hole, a compression spring and a jack, the fixed clamps are symmetrically installed on the mounting holes. When clamping, the hand-tightening screw is driven by a turning handle to press against the moving clamp to clamp the cast aluminum product workpiece. The side and flange of the cast aluminum product workpiece are pressed by the first stepped groove and the second stepped groove inside the fixed clamp and the moving clamp. When loosening after the cutting is completed, the hand-tightening screw can be reversely rotated to be loosened. The compression spring arranged inside the inner hole can automatically bounce the moving clamp open. During the displacement process of the moving clamp on one side of the fixed clamp, two groups of shoulder bolts can be used for sliding guidance. The side-top clamping method can avoid the cutting head hitting the head. After the cast aluminum product is clamped, it can be higher than the fixture surface, and the accuracy of repeated clamping is high.

[0017] (2) By providing a fixing plate, a fixed clamp, a nut seat, a first reserved hole, a first hexagon socket head bolt, a second reserved hole, a second hexagon socket head bolt, a second threaded hole and a first threaded hole, when the clamping mechanism is in use, the first hexagon socket head bolt and the second hexagon socket head bolt can be respectively screwed out upward from the first threaded hole and the second threaded hole on the fixing plate, and then the fixed clamp and the nut seat can be removed from the fixing plate, and some different fixture components can be correspondingly replaced to clamp and use different cast aluminum workpieces.

[0018] (3) By providing a fixing plate, mounting holes and openings, when the clamping mechanism is installed and used inside a fiber laser cutting machine, through the six groups of mounting holes arranged at equal intervals in a ring shape, the installation direction of the clamping mechanism can be adjusted by rotating the fixing plate, and the clamping mechanism can be installed at multiple angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view sectional structure schematic diagram of the present utility model;

[0020] Figure 2 It is a rear view structure schematic diagram of the fixing plate of the present utility model;

[0021] Figure 3 It is a bottom view structure schematic diagram of the fixing plate of the present utility model;

[0022] Figure 4 It is a side view structure schematic diagram of the hand-tightening screw of the present utility model;

[0023] Figure 5 This is an enlarged front - view sectional structure diagram of the compression spring of the present utility model;

[0024] Figure 6 This is an enlarged side - view structure diagram of the movable clamp of the present utility model;

[0025] Figure 7 This is a three - dimensional structure diagram of the present utility model.

[0026] In the figure: 1, mounting hole; 2, fixed plate; 3, fixed clamp; 4, first stepped groove; 5, second stepped groove; 6, shoulder bolt; 7, nut seat; 8, hand - tightened screw; 9, first reserved hole; 10, first hexagon socket head bolt; 11, movable clamp; 12, second reserved hole; 13, second hexagon socket head bolt; 14, opening; 15, second threaded hole; 16, perforation; 17, first threaded hole; 18, screw hole; 19, inner hole; 20, compression spring; 21, jack; 22, turning handle; 23, threaded through - hole. Specific implementation mode

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0028] Embodiment 1: Please refer to Figures 1-7 , a cast - aluminum clamping mechanism, including a fixed plate 2. On both sides of the front end of the fixed plate 2, nut seats 7 are respectively arranged, and the nut seats 7 are fixedly installed between the rear end and the front end of the fixed plate 2. On the right side of the left nut seat 7 and the left side of the right nut seat 7, movable clamps 11 are respectively arranged. On the left side of the right movable clamp 11 and the right side of the left movable clamp 11, there are fixed clamps 3, and the fixed clamps 3 are fixedly installed between the rear end and the front end of the fixed plate 2;

[0029] Inside the right side of the fixed clamp 3, a first stepped groove 4 is opened. Inside the left side of the movable clamp 11, a second stepped groove 5 is opened. On the right side of the nut seat 7, a hand - tightened screw 8 is arranged, and a turning handle 22 is fixed on the right side of the hand - tightened screw 8. Inside the nut seat 7, a threaded through - hole 23 is opened. On the top and bottom of the rear end of the right side of the movable clamp 11, screw holes 18 are respectively opened, and a shoulder bolt 6 is rotatably connected inside the screw holes 18. On the top and bottom of the rear end of the left side of the movable clamp 11, inner holes 19 are respectively opened, and a compression spring 20 is fixed on the right side inside the inner holes 19. On the top and bottom of the rear end of the right side of the fixed clamp 3, jacks 21 are respectively opened. Inside the two sides of the front end of the fixed plate 2, perforations 16 are respectively opened;

[0030] The front and rear ends of the first stepped groove 4 and the second stepped groove 5 respectively penetrate through the inside of the front and rear ends of the fixed clamp 3 and the movable clamp 11. The top and bottom ends of the first stepped groove 4 and the second stepped groove 5 respectively penetrate through the inside of the top and bottom ends of the fixed clamp 3 and the movable clamp 11. The first stepped groove 4 and the second stepped groove 5 are connected to the inside of the through hole 16. The hand-tightening screw 8 is threadedly rotatably connected to the inside of the threaded through hole 23. The threaded through hole 23 penetrates through the inside of the nut seat 7. The hand-tightening screw 8 penetrates through the inside of the nut seat 7. The threaded hole 18 penetrates through the inside of the movable clamp 11. The jack 21 penetrates through the inside of the fixed clamp 3. The inside of the threaded hole 18, the inner hole 19 and the jack 21 are connected to each other. The left side of the shoulder bolt 6 respectively penetrates through the inside of the threaded hole 18 and the compression spring 20. The left side of the shoulder bolt 6 is slidably inserted into the inside of the jack 21. The fixed clamp 3, the nut seat 7, the hand-tightening screw 8 and the movable clamp 11 are respectively symmetrically arranged about the vertical center line of the fixing plate 2;

[0031] Specifically, as Figures 1-7 shown, the fixed clamps 3 are symmetrically installed on the mounting holes 1. When clamping, the movable clamp 11 is tightened by the hand-tightening screw 8 to clamp the cast aluminum product workpiece. The side and flange of the cast aluminum product workpiece are pressed by the first stepped groove 4 and the second stepped groove 5 inside the fixed clamp 3 and the movable clamp 11. When loosening after the cutting is completed, the hand-tightening screw 8 can be rotated in the reverse direction to be loosened. The compression spring 20 arranged inside the inner hole 19 can automatically push the movable clamp 11 away. During the displacement of the movable clamp 11 on one side of the fixed clamp 3, the two sets of shoulder bolts 6 can be used for sliding guidance. The side-top clamping method can avoid the cutting head hitting the head. After the cast aluminum product is clamped, it can be higher than the fixture surface, and the accuracy of repeated clamping is high.

[0032] Embodiment 2: Second reserved holes 12 are respectively opened at the top and bottom of the left side of the front end of the fixed clamp 3, and second hexagon socket head cap bolts 13 are arranged inside the second reserved holes 12. First reserved holes 9 are respectively opened at the top and bottom of the front end of the nut seat 7, and first hexagon socket head cap bolts 10 are arranged inside the first reserved holes 9. First threaded holes 17 for fitting and installing with the first hexagon socket head cap bolts 10 are respectively opened at the four corners of the rear end of the fixing plate 2. Second threaded holes 15 for fitting and installing with the second hexagon socket head cap bolts 13 are respectively arranged at the top and bottom of both sides of the rear end of the fixing plate 2. The second threaded holes 15 and the first threaded holes 17 respectively penetrate through the inside of the fixing plate 2. The rear end of the first hexagon socket head cap bolt 10 penetrates through the inside of the rear end of the nut seat 7 and is rotatably connected in the first threaded hole 17. The rear end of the second hexagon socket head cap bolt 13 penetrates through the inside of the rear end of the fixed clamp 3 and is rotatably connected in the second threaded hole 15;

[0033] Specifically, as Figure 1 、 Figure 2 and Figure 7As shown, the first hexagon socket head bolt 10 and the second hexagon socket head bolt 13 can be respectively screwed out upward from the first threaded hole 17 and the second threaded hole 15 on the fixed plate 2, and then the fixing clamp 3 and the nut seat 7 can be removed from the fixed plate 2, and some different fixture components can be correspondingly replaced for clamping different cast aluminum workpieces.

[0034] Embodiment 3: An opening 14 is provided at the middle position of the front end of the fixed plate 2, and the opening 14 penetrates through the inner side of the fixed plate 2. An installation hole 1 is provided inside the front end of the opening 14, and the installation hole 1 penetrates through the fixed plate 2. Six groups of installation holes 1 are arranged at equal intervals in a ring.

[0035] Specifically, as Figure 1 , Figure 2 and Figure 7 shown, when the clamping mechanism is installed and used inside the fiber laser cutting machine, through the six groups of installation holes 1 arranged at equal intervals in a ring, the installation direction of the fixed plate 2 can be adjusted by rotating the fixed plate 2, and the clamping mechanism can be installed at multiple angles.

[0036] Working principle: When the present utility model is installed and used, through the six groups of installation holes 1 arranged at equal intervals in a ring, the installation direction of the fixed plate 2 can be adjusted by rotating the fixed plate 2, and the clamping mechanism can be installed at multiple angles. The fixing clamps 3 are symmetrically installed on the installation holes 1. When clamping, the hand-tightening screw 8 is used to press against the moving clamp 11 to clamp the cast aluminum product workpiece. The side and flange of the cast aluminum product workpiece are pressed by the first step groove 4 and the second step groove 5 inside the fixing clamp 3 and the moving clamp 11. When loosening after the cutting is completed, the hand-tightening screw 8 can be rotated in the reverse direction to loosen. The compression spring 20 arranged inside the inner hole 19 can automatically push the moving clamp 11 away. During the displacement process of the moving clamp 11 on one side of the fixing clamp 3, the two sets of shoulder bolts 6 can be used for sliding guidance. At the same time, when the clamping mechanism is used, the first hexagon socket head bolt 10 and the second hexagon socket head bolt 13 can be respectively screwed out upward from the first threaded hole 17 and the second threaded hole 15 on the fixed plate 2, and then the fixing clamp 3 and the nut seat 7 can be removed from the fixed plate 2, and some different fixture components can be correspondingly replaced for clamping different cast aluminum workpieces.

[0037] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A cast aluminum clamping mechanism, comprising a fixing plate (2), characterized in that: Nut seats (7) are respectively arranged on both sides of the front end of the fixing plate (2), and the rear end of the nut seat (7) is fixedly mounted between the front end of the fixing plate (2); a movable clamp (11) is respectively arranged on the right side of the left nut seat (7) and the left side of the right nut seat (7); a fixed clamp (3) is respectively arranged on the left side of the right movable clamp (11) and the right side of the left movable clamp (11), and the rear end of the fixed clamp (3) is fixedly mounted between the front end of the fixing plate (2); A first step groove (4) is provided inside the right side of the fixed clamp (3), a second step groove (5) is provided inside the left side of the movable clamp (11), a hand screw (8) is provided on the right side of the nut seat (7), and a handle (22) is fixed on the right side of the hand screw (8), a threaded through hole (23) is provided inside the nut seat (7), screw holes (18) are provided at the top and bottom of the right rear end of the movable clamp (11), and a shoulder bolt (6) is rotatably connected inside the screw hole (18), inner holes (19) are provided at the top and bottom of the left rear end of the movable clamp (11), and a compression spring (20) is fixed on the right side of the inner hole (19), plug holes (21) are provided at the top and bottom of the right rear end of the fixed clamp (3), and through holes (16) are provided inside the front ends of the fixed plate (2).

2. The cast aluminum clamping mechanism according to claim 1, characterized in that: The front and rear ends of the first step groove (4) and the second step groove (5) respectively penetrate the interior of the front and rear ends of the fixed clamp (3) and the movable clamp (11); the top and bottom ends of the first step groove (4) and the second step groove (5) respectively penetrate the interior of the top and bottom ends of the fixed clamp (3) and the movable clamp (11); the first step groove (4) and the second step groove (5) are connected to the interior of the through hole (16).

3. The cast aluminum clamping mechanism according to claim 1, characterized in that: The hand screw (8) is threadably connected to the inside of the threaded through hole (23), the threaded through hole (23) passes through the inside of the nut seat (7), and the hand screw (8) passes through the inside of the nut seat (7).

4. The cast aluminum clamping mechanism according to claim 1, characterized in that: The screw hole (18) passes through the interior of the movable clamp (11), and the insertion hole (21) passes through the interior of the fixed clamp (3). The screw hole (18), the inner hole (19) and the interior of the insertion hole (21) are connected. The left side of the shoulder bolt (6) passes through the interior of the screw hole (18) and the compression spring (20) respectively, and the left side of the shoulder bolt (6) is slidably inserted into the interior of the insertion hole (21).

5. The cast aluminum clamping mechanism according to claim 1, characterized in that: The fixing clamp (3), the nut seat (7), the hand screw (8) and the movable clamp (11) are respectively arranged symmetrically with respect to the vertical center line of the fixing plate (2).

6. The cast aluminum clamping mechanism according to claim 1, characterized in that: A second reserved hole (12) is respectively provided at the top and bottom of the left side of the front end of the fixing clamp (3), and a second hexagon socket bolt (13) is arranged inside the second reserved hole (12); a first reserved hole (9) is respectively provided at the top and bottom of the front end of the nut seat (7), and a first hexagon socket bolt (10) is arranged inside the first reserved hole (9); four corners of the rear end of the fixing plate (2) are respectively provided with first threaded holes (17) for fitting with the first hexagon socket bolt (10); the top and bottom of both sides of the rear end of the fixing plate (2) are respectively provided with second threaded holes (15) for fitting with the second hexagon socket bolt (13); the second threaded hole (15) and the first threaded hole (17) respectively penetrate the interior of the fixing plate (2); the rear end of the first hexagon socket bolt (10) penetrates the interior of the rear end of the nut seat (7) and is rotatably connected to the first threaded hole (17); the rear end of the second hexagon socket bolt (13) penetrates the interior of the rear end of the fixing clamp (3) and is rotatably connected to the second threaded hole (15).

7. The cast aluminum clamping mechanism according to claim 1, characterized in that: An opening (14) is provided at the middle position of the front end of the fixing plate (2), and the opening (14) passes through the inner side of the fixing plate (2); a mounting hole (1) is provided inside the front end of the opening (14), and the mounting hole (1) passes through the inside of the fixing plate (2).

8. The cast aluminum clamping mechanism according to claim 7, characterized in that: The mounting holes (1) are arranged in six groups at equal intervals in a circular shape.

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