Multi-station clamping tool for aluminum profile machining

Abstract

The utility model provides a multi-station clamping tool for aluminum profile machining, which relates to the technical field of clamping tools and comprises a mounting plate, a first sliding clamping groove, a length-adjustable end clamping mechanism, a second sliding clamping groove, a sliding clamping groove body, a branch sliding clamping groove and a side wall clamping mechanism. The length-adjustable end clamping mechanisms on the two sides are used for clamping and fixing the ends of the two sides of the aluminum profile. Then the side wall of the aluminum profile is clamped and fixed at multiple stations through a plurality of side wall clamping mechanisms which are clamped in second sliding clamping grooves in the length direction of the front edge and the rear edge of the upper surface of the mounting plate in a sliding mode, and the length of an end clamping mechanism with the adjustable length can be adjusted; the side wall clamping mechanism can slide between the sliding clamping groove body of the second sliding clamping groove and the branch sliding clamping groove in an interference fit mode, multi-station clamping can be conducted on aluminum profiles of different sizes within a certain range, and the clamping stability of the aluminum profiles is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping tooling, in particular to a multi-station clamping tooling for aluminum profile processing. Background Art

[0002] Industrial aluminum extrusions and industrial aluminum alloy profiles. Industrial aluminum profiles are an alloy material with aluminum as the main component. Aluminum rods are hot-melted and extruded to obtain aluminum materials with different cross-sectional shapes. However, the proportion of the added alloy is different, and the mechanical properties and application fields of the industrial aluminum profiles produced are also different. The clamping tool is a tool used to clamp and fix the aluminum profile during the aluminum profile processing process.

[0003] The clamping tooling under the existing technology can usually only clamp and fix the two sides of the aluminum profile when clamping and fixing the aluminum profile, and it is difficult to achieve multi-position clamping of the aluminum profile, resulting in poor clamping and stabilization effect of the aluminum profile. Utility Model Content

[0004] The utility model aims to provide a multi-station clamping tool for aluminum profile processing, which has the advantage of multi-station clamping and fixing of aluminum profiles, and solves the technical problem that the existing clamping tool has poor stability when clamping aluminum profiles.

[0005] The utility model provides a multi-station clamping tool for aluminum profile processing, comprising:

[0006] The mounting plate has first sliding slots formed on the left and right edges of its upper surface along the width direction;

[0007] Two length-adjustable end clamping mechanisms are symmetrically distributed on the left and right, and the clamping ends of the length-adjustable end clamping mechanisms face the middle of the mounting plate;

[0008] The two end clamping mechanisms with adjustable lengths are slidably engaged in the first sliding slots on the same side along the width direction;

[0009] The front and rear edges of the upper surface of the mounting plate are provided with second sliding slots along the length direction;

[0010] The second sliding slot comprises:

[0011] The sliding card slot body has branch sliding card slots evenly and vertically opened along the length direction;

[0012] The branch sliding slots extend to the transverse axis of the mounting plate, and the front and rear corresponding branch sliding slots are not connected;

[0013] The second sliding slot is evenly connected with a side wall clamping mechanism in a sliding slot body by interference fit, and the front and rear clamping ends of the side wall clamping mechanism face the middle of the mounting plate;

[0014] The side wall clamping mechanism slides in an interference fit manner between the sliding slot body and the branch sliding slot of the second sliding slot.

[0015] As a further optimization solution, in order to clamp and limit the ends of both sides of the aluminum profile, the end clamping mechanism with adjustable length includes:

[0016] A first sliding block, whose outer wall is fixedly equipped with a strip protrusion corresponding to the groove of the first sliding slot, and the strip protrusion is slidably assembled in the groove of the first sliding slot;

[0017] A first vertical plate, which is fixedly assembled on the upper end of the first sliding block along the length direction of the first sliding slot;

[0018] A first screw rod, which is screwed to the middle part of the first vertical plate;

[0019] The first clamping plate is rotatably assembled on one end of the first screw rod close to the middle of the mounting plate, and the lower end of the first clamping plate is slidably fitted with the upper surface of the mounting plate.

[0020] As a further optimization solution, in order to perform multi-station clamping on the side wall of the aluminum profile, the side wall clamping mechanism includes:

[0021] The second sliding block has a rectangular annular protrusion fixedly mounted on the middle part of its side wall corresponding to the sliding slot body and the branch sliding slot of the second sliding slot, and the rectangular annular protrusion slides in an interference fit manner between the sliding slot body and the branch sliding slot of the second sliding slot;

[0022] A second vertical plate, which is fixedly assembled on the upper end of the second sliding block along the length direction of the sliding slot body of the second sliding slot;

[0023] The top clamping structure is fixedly assembled on the upper end of the second vertical plate close to the middle of the mounting plate.

[0024] As a further optimization solution, in order to clamp the top surface of the aluminum profile in multiple positions, the top clamping structure includes:

[0025] A horizontal plate, which is fixedly mounted on the upper edge of the second vertical plate near the middle of the mounting plate;

[0026] A second screw rod, which is screwed to the middle part of the horizontal plate;

[0027] The lower end of the second screw rod is rotatably mounted with a second clamping plate, and the second clamping plate is slidably fitted with the outer wall of the second vertical plate.

[0028] As a further optimization scheme, in order to rotate the mounting plate and the structure thereon and adjust the angle of the clamped aluminum profile, a rotating base is also included, the lower end of the rotating base is fixedly connected to the ground, and the upper end of the rotating base is detachably fixedly connected to the middle of the mounting plate.

[0029] As a further optimization solution, in order to ensure the stability of the device installation, the mounting plate and the structure thereon are driven to rotate, and the rotating base includes:

[0030] The bottom plate has mounting holes at its four corners;

[0031] A rotating driving member, which is detachably fixedly mounted on the middle portion of the upper surface of the bottom plate;

[0032] The upper end of the rotating driving member is detachably fixedly connected to the middle part of the mounting plate.

[0033] As a further optimization scheme, in order to facilitate the installation and disassembly of the vertical motor and to facilitate its overhaul and maintenance, the rotating drive member includes:

[0034] A vertical motor, a first flange is welded and fixed to the lower end of the outer wall, and the first flange is fixedly connected to the middle part of the upper surface of the bottom plate by bolts;

[0035] The second flange is welded and fixed to the output upper end of the vertical motor, and the second flange is detachably fixedly connected to the middle part of the mounting plate.

[0036] As a further optimization scheme, in order to limit and fix the position of the mounting plate after rotation to avoid unexpected rotation during use, a limiter is also included, which is screwed to the edge of the upper surface of the mounting plate. After the limiter is screwed down, it rests on the upper surface of the base plate.

[0037] As a further optimization scheme, in order to drive the pressing plate to rise and fall by rotating the third screw rod, the descending pressing plate is fixed against the bottom plate for position limiting, and the position limiting member includes:

[0038] A third screw rod is screwed to the edge of the upper surface of the mounting plate;

[0039] A pressing plate is fixedly mounted on the lower end of the third screw rod, and the pressing plate abuts against the upper surface of the bottom plate.

[0040] As a further optimization solution, in order to improve the strength of the pressing plate against the upper limit fixation on the bottom plate, a rubber pad is adhered and fixed to the bottom surface of the pressing plate.

[0041] The utility model provides a multi-station clamping tool for aluminum profile processing through improvement, which has the following improvements and advantages compared with the prior art:

[0042] The device slides and clamps an end clamping mechanism with adjustable length in a first sliding slot in the width direction of the left and right edges of the upper surface of the mounting plate, and uses the end clamping mechanisms with adjustable length on both sides to clamp and fix the ends of the two sides of the aluminum profile; then, multiple side wall clamping mechanisms are slid and clamped in a second sliding slot in the length direction of the front and rear edges of the upper surface of the mounting plate to clamp and fix the side walls of the aluminum profile in multiple positions. The end clamping mechanism with adjustable length can be adjusted in length, and the side wall clamping mechanism can slide in an interference fit manner between the sliding slot main body and the branch sliding slot of the second sliding slot, and can perform multi-position clamping for aluminum profiles of different sizes within a certain range, thereby improving the stability of clamping the aluminum profile. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0044] Figure 1 It is a schematic diagram of the structure of the utility model;

[0045] Figure 2 This is a schematic diagram of the structure of the end clamping mechanism with adjustable length of the utility model;

[0046] Figure 3 It is a schematic diagram of the structure of the side wall clamping mechanism of the utility model;

[0047] Figure 4 This is a schematic diagram of the rotating base structure of the utility model;

[0048] Figure 5 This is a schematic diagram of the structure of the limiting member of the utility model.

[0049] Description of reference numerals:

[0050] 1-mounting plate, 2-first sliding slot, 3-length-adjustable end clamping mechanism, 31-first slider, 32-bar-shaped protrusion, 33-first vertical plate, 34-first screw, 35-first clamping plate, 4-second sliding slot, 5-side wall clamping mechanism, 51-second slider, 52-rectangular annular protrusion, 53-second vertical plate, 54-top clamping structure, 541-cross plate, 542-second screw, 543-second clamping plate, 6-rotating base, 61-bottom plate, 62-mounting through hole, 63-rotating drive member, 631-first flange, 632-vertical motor, 633-second flange, 7-limiting member, 71-third screw, 72-pressure plate, 73-rubber pad. DETAILED DESCRIPTION

[0051] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0052] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0053] In the description of the present utility model, it should be understood that the terms "first" and "second" are only used for descriptive purposes, and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0054] See also Figure 1-5 The utility model provides a technical solution: a multi-station clamping tool for aluminum profile processing, comprising:

[0055] The mounting plate 1 has first sliding slots 2 formed on the left and right edges of its upper surface along the width direction;

[0056] There are two length-adjustable end clamping mechanisms 3, which are symmetrically distributed on the left and right, and the clamping ends of the length-adjustable end clamping mechanisms 3 face the middle of the mounting plate 1;

[0057] The two length-adjustable end clamping mechanisms 3 are slidably engaged in the first sliding slots 2 on the same side along the width direction. The length-adjustable end clamping mechanisms 3 can slide forward and backward in the corresponding first sliding slots 2. The length-adjustable end clamping mechanisms 3 at both ends slide to left-right symmetrical positions. The ends of the aluminum profile at both ends in the middle are clamped and positioned by adjusting the length of the length-adjustable end clamping mechanisms 3 at both ends.

[0058] The front and rear edges of the upper surface of the mounting plate 1 are provided with second sliding slots 4 along the length direction;

[0059] The second sliding slot 4 includes:

[0060] The sliding card slot body has branch sliding card slots evenly and vertically opened along the length direction;

[0061] The branch sliding slots extend to the transverse axis of the mounting plate 1, and the front and rear corresponding branch sliding slots are not connected;

[0062] This embodiment is suitable for clamping and fixing aluminum profiles whose width is greater than the distance between the front and rear corresponding branch sliding slots;

[0063] The second sliding slot 4 is evenly and interference fit in the sliding slot body to slide with a side wall clamping mechanism 5, and the clamping ends of the front and rear side wall clamping mechanisms 5 face the middle of the mounting plate 1;

[0064] The side wall clamping mechanism 5 slides in an interference fit manner between the sliding slot body and the branch sliding slot of the second sliding slot 4 .

[0065] When in use, the side wall clamping mechanism 5 that is slidingly connected in the branch sliding slot and has the corresponding interference fit is moved by force to fit the front and rear side walls of the aluminum profile for clamping and positioning. This allows multi-position clamping of aluminum profiles of different sizes within a certain range, thereby improving the stability of the clamping of the aluminum profile.

[0066] In some embodiments, in order to clamp and limit the ends of the aluminum profile, the end clamping mechanism 3 with adjustable length includes:

[0067] The first sliding block 31 has an outer wall fixedly provided with a strip protrusion 32 corresponding to the groove of the first sliding card slot 2, and the strip protrusion 32 is slidably assembled in the groove of the first sliding card slot 2;

[0068] A first vertical plate 33, which is fixedly assembled on the upper end of the first sliding block 31 along the length direction of the first sliding slot 2;

[0069] A first screw rod 34, which is screwed to the middle of the first vertical plate 33;

[0070] The first clamping plate 35 is rotatably assembled on one end of the first screw rod 34 close to the middle of the mounting plate 1, and the lower end of the first clamping plate 35 is slidingly fitted with the upper surface of the mounting plate 1. The first screw rods 34 on both sides are rotated to drive the first clamping plate 35 to slide along the upper surface of the mounting plate 1, and the first clamping plates 35 on both sides are moved inward and clamped at the two side ends of the aluminum profile.

[0071] In some embodiments, in order to perform multi-station clamping on the side wall of the aluminum profile, the side wall clamping mechanism 5 includes:

[0072] The second sliding block 51 has a rectangular annular protrusion 52 fixedly mounted on the middle part of its side wall corresponding to the sliding slot body and the branch sliding slot of the second sliding slot 4, and the rectangular annular protrusion 52 slides in an interference fit manner between the sliding slot body and the branch sliding slot of the second sliding slot 4;

[0073] A second vertical plate 53, which is fixedly assembled on the upper end of the second sliding block 51 along the length direction of the sliding slot body of the second sliding slot 4;

[0074] The top clamping structure 54 is fixedly mounted on the upper end of the second vertical plate 53 close to the middle of the mounting plate 1 .

[0075] The second slider 51 is slidably connected by interference fit in the sliding slot body and the branch sliding slot of the second sliding slot 4. The side wall clamping mechanism 5 in the branch sliding slot is clamped and positioned against the front and rear side walls of the aluminum profile by forcibly moving the corresponding interference fit sliding cards front and back, thereby realizing multi-station clamping of the front and rear side walls of the side wall clamping mechanism 5. The top clamping structure 54 is used for multi-station clamping of the top surface of the side wall clamping mechanism 5.

[0076] In some embodiments, in order to perform multi-station clamping on the top surface of the aluminum profile, the top clamping structure 54 includes:

[0077] The horizontal plate 541 is fixedly mounted on the upper edge of the second vertical plate 53 near the middle of the mounting plate 1;

[0078] A second screw rod 542, which is screwed to the middle of the horizontal plate 541;

[0079] The lower end of the second screw 542 is rotatably equipped with a second clamping plate 543, and the second clamping plate 543 is slidably fitted with the outer wall of the second vertical plate 53. The second screw 542 is rotated to push the second clamping plate 543 against the top surface of the aluminum profile for clamping and limiting. The front and rear corresponding side wall clamping mechanisms 5 are optional and can be selected according to the position of the aluminum profile that needs to be processed. The position of the aluminum profile that needs to be processed is exposed to facilitate processing.

[0080] In some embodiments, in order to rotate the mounting plate 1 and the structure thereon and adjust the angle of the clamped aluminum profile, a rotating base 6 is also included, the lower end of the rotating base 6 is fixedly connected to the ground, and the upper end of the rotating base 6 is detachably fixedly connected to the middle of the mounting plate 1.

[0081] In some embodiments, in order to ensure the stability of the device installation, the mounting plate 1 and the structure thereon are driven to rotate, and the rotating base 6 includes:

[0082] The bottom plate 61 has mounting holes 62 at its four corners, and the mounting holes 62 are fixed to the ground through expansion bolts;

[0083] A rotating driving member 63, which is detachably fixedly mounted on the middle portion of the upper surface of the bottom plate 61;

[0084] The upper end of the rotation driving member 63 is detachably fixedly connected to the middle of the mounting plate 1 , and the rotation driving member 63 is used to drive the mounting plate 1 and the structure thereon to rotate.

[0085] In some embodiments, in order to facilitate the installation and disassembly of the vertical motor 632 and facilitate its inspection and maintenance, the rotating drive member 63 includes:

[0086] A vertical motor 632, a first flange 631 is welded and fixed to the lower end of its outer wall, and the first flange 631 is fixedly connected to the middle of the upper surface of the bottom plate 61 by bolts, and the vertical motor 632 is connected to an external power supply;

[0087] The second flange 633 is welded and fixed to the output upper end of the vertical motor 632. The second flange 633 is detachably fixedly connected to the middle of the mounting plate 1. Both ends of the vertical motor 632 are respectively installed and fixed by the first flange 631 and the second flange 633 with bolts, which is convenient for disassembly and installation.

[0088] In some embodiments, in order to limit and fix the position of the mounting plate 1 after rotation and avoid unexpected rotation during use, a limit member 7 is also included, which is screwed on the edge of the upper surface of the mounting plate 1. After the limit member 7 is screwed down, it abuts against the upper surface of the base plate 61. The limit member 7 is screwed on the edge of the upper surface of the mounting plate, and the lower end of the limit member 7 abuts and is fixed on the upper surface of the base plate 61 for limiting.

[0089] In some embodiments, in order to drive the pressing plate 72 to rise and fall by rotating the third screw rod 71, the lowered pressing plate 72 is used to abut against and be fixed on the bottom plate 61 for position limiting, and the limiting member 7 includes:

[0090] A third screw rod 71, which is screwed to the edge of the upper surface of the mounting plate 1;

[0091] A pressing plate 72 is fixedly mounted on the lower end of the third screw rod 71 , and the pressing plate 72 abuts against the upper surface of the bottom plate 61 . Rotating the third screw rod 71 can drive the pressing plate 72 to move up and down. The setting of the pressing plate 72 increases the contact area with the upper surface of the bottom plate 61 and improves the limiting strength.

[0092] In some embodiments, in order to further improve the strength of the pressing plate 72 against the bottom plate 61 to limit the position and fix it, a rubber pad 73 is adhered and fixed to the bottom surface of the pressing plate 72 .

[0093] Working principle:

[0094] The two length-adjustable end clamping mechanisms 3 are slidably engaged in the first sliding slots 2 on the same side along the width direction. The length-adjustable end clamping mechanisms 3 can slide forward and backward in the corresponding first sliding slots 2. The length-adjustable end clamping mechanisms 3 at both ends slide to left-right symmetrical positions. The ends of the aluminum profile at both ends in the middle are clamped and positioned by adjusting the length of the length-adjustable end clamping mechanisms 3 at both ends.

[0095] When in use, the side wall clamping mechanism 5 that is slidingly connected in the branch sliding slot and has the corresponding interference fit is moved by force to fit the front and rear side walls of the aluminum profile for clamping and positioning. This allows multi-position clamping of aluminum profiles of different sizes within a certain range, thereby improving the stability of the clamping of the aluminum profile.

[0096] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A multi-station clamping tool for aluminum profile processing, characterized in that: include: A mounting plate (1) having first sliding slots (2) formed on the left and right edges of its upper surface along the width direction; Two length-adjustable end clamping mechanisms (3) are symmetrically distributed on the left and right, and the clamping ends of the length-adjustable end clamping mechanisms (3) face toward the middle of the mounting plate (1); The two end clamping mechanisms (3) with adjustable lengths are slidably engaged in the first sliding slots (2) on the same side along the width direction; The front and rear edges of the upper surface of the mounting plate (1) are provided with second sliding slots (4) along the length direction; The second sliding slot (4) comprises: The sliding card slot body has branch sliding card slots evenly and vertically opened along the length direction; The branch sliding slots extend to the transverse axis of the mounting plate (1), and the front and rear corresponding branch sliding slots are not connected; The second sliding slot (4) has a side wall clamping mechanism (5) uniformly connected in an interference fit manner in the sliding slot body, and the front and rear clamping ends of the side wall clamping mechanism (5) face the middle of the mounting plate (1); The side wall clamping mechanism (5) slides in an interference fit manner between the sliding slot body and the branch sliding slot of the second sliding slot (4).

2. The multi-station clamping tool for aluminum profile processing according to claim 1, characterized in that: The length-adjustable end clamping mechanism (3) comprises: A first sliding block (31), the outer wall of which is fixedly equipped with a strip-shaped protrusion (32) corresponding to the groove of the first sliding slot (2), and the strip-shaped protrusion (32) is slidably assembled in the groove of the first sliding slot (2); A first vertical plate (33) is fixedly mounted on the upper end of the first sliding block (31) along the length direction of the first sliding slot (2); A first screw rod (34) screwed to the middle portion of the first vertical plate (33); The first clamping plate (35) is rotatably mounted on one end of the first screw rod (34) close to the middle of the mounting plate (1), and the lower end of the first clamping plate (35) is slidably fitted with the upper surface of the mounting plate (1).

3. The multi-station clamping tool for aluminum profile processing according to claim 1, characterized in that: The side wall clamping mechanism (5) comprises: The second sliding block (51) has a rectangular annular protrusion (52) fixedly mounted in the middle of its side wall corresponding to the sliding slot body and the branch sliding slot of the second sliding slot (4), and the rectangular annular protrusion (52) slides in an interference fit manner between the sliding slot body and the branch sliding slot of the second sliding slot (4); A second vertical plate (53) is fixedly mounted on the upper end of the second sliding block (51) along the length direction of the sliding block body of the second sliding block (4); The top clamping structure (54) is fixedly mounted on the upper end of the second vertical plate (53) close to the middle of the mounting plate (1).

4. The multi-station clamping tool for aluminum profile processing according to claim 3, characterized in that: The top clamping structure (54) comprises: A horizontal plate (541) is fixedly mounted on an upper edge of the second vertical plate (53) close to the middle of the mounting plate (1); A second screw rod (542) is screwed to the middle portion of the horizontal plate (541); The lower end of the second screw rod (542) is rotatably mounted with a second clamping plate (543), and the second clamping plate (543) is slidably fitted to the outer wall of the second vertical plate (53).

5. The multi-station clamping tool for aluminum profile processing according to claim 1, characterized in that: It also comprises a rotating base (6), the lower end of which is fixedly connected to the ground, and the upper end of which is detachably fixedly connected to the middle of the mounting plate (1).

6. The multi-station clamping tool for aluminum profile processing according to claim 5, characterized in that: The rotating base (6) comprises: The bottom plate (61) has mounting holes (62) at four corners; A rotating driving member (63) which is detachably fixedly mounted on the middle portion of the upper surface of the bottom plate (61); The upper end of the rotating driving member (63) is detachably fixedly connected to the middle portion of the mounting plate (1).

7. The multi-station clamping tool for aluminum profile processing according to claim 6, characterized in that: The rotary drive member (63) comprises: A vertical motor (632) has a first flange (631) welded and fixed at the lower end of its outer wall, and the first flange (631) is fixedly connected to the middle part of the upper surface of the bottom plate (61) by bolts; The second flange (633) is welded and fixed to the output upper end of the vertical motor (632), and the second flange (633) is detachably fixedly connected to the middle part of the mounting plate (1).

8. The multi-station clamping tool for aluminum profile processing according to claim 6, characterized in that: It also comprises a limiting member (7) which is screwed to the edge of the upper surface of the mounting plate (1); the limiting member (7) abuts against the upper surface of the bottom plate (61) after being screwed down.

9. The multi-station clamping tool for aluminum profile processing according to claim 8, characterized in that: The limiting member (7) comprises: A third screw rod (71) is screwed to the edge of the upper surface of the mounting plate (1); A pressing plate (72) is fixedly mounted on the lower end of the third screw rod (71), and the pressing plate (72) abuts against the upper surface of the bottom plate (61).

10. The multi-station clamping tool for aluminum profile processing according to claim 9, characterized in that: A rubber pad (73) is glued and fixed to the bottom surface of the pressing plate (72).

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