CN219768003U - Aluminum profile fixing device - Google Patents

Abstract

The utility model provides an aluminum profile fixing device which is applied to the technical field of door and window processing, wherein a box body placed in the vertical direction is arranged on the aluminum profile fixing device, a conveying channel for aluminum profiles is arranged at the top of the box body, and a first limiting part and a second limiting part are respectively arranged at two sides of the conveying channel in the vertical direction to limit the conveyed aluminum profiles.

Description

Aluminum profile fixing device

Technical Field

The utility model relates to the technical field of door and window processing, in particular to an aluminum profile fixing device.

Background

In the production of door and window trade automation line, in order to guarantee that door and window aluminum product can match with different grade type door and window structure when using, need annotate processing operations such as hole, cutting to the door and window aluminum product. At present, in automatic processing production, after aluminium alloy usually moves to cutting station, press from both sides tight to aluminium alloy through clamping device, but this clamping device debugging is complicated, often need artifical manual debugging in order to press from both sides tight aluminium alloy, for example chinese patent of publication No. CN 209077919-anti-deformation aluminium alloy's cutting equipment, wherein a clamp assembly is disclosed, including fixed plate, regulating plate and locating plate, through the distance between regulating plate and the fixed plate in order to press from both sides tight aluminium alloy both sides, the tip of fixed aluminium alloy through the locating plate, the rethread sets up the tight cylinder of clamp on the fixed plate, the displacement of restriction aluminium alloy upper and lower direction, in order to reach the purpose of fixed aluminium alloy, its operation is too complicated, and need artifical debugging, be unfavorable for the promotion of machining efficiency.

In view of the above, there is a need in the art for improvements.

Disclosure of Invention

The utility model aims to provide an aluminum profile fixing device which has the beneficial effects of simple structure and high automation degree so as to improve the processing efficiency.

In a first aspect, the utility model provides an aluminum profile fixing device, which has the following technical scheme:

the aluminum profile fixing device comprises a box body arranged in the vertical direction, and a conveying channel for aluminum profiles is arranged at the top of the box body;

a first limiting part is arranged on one side of the conveying channel, and a second limiting part is arranged on the other side opposite to the first limiting part;

the second limiting part comprises a limiting contact part, a connecting rod and a first driving device;

the limiting contact part is arranged on the other side of the conveying channel relative to the first limiting part, the connecting rod is hinged in the box body, the first rod body and the second rod body which are arranged in an extending mode from the hinge point and incline to each other are arranged on the box body, the box body is provided with an opening, the first rod body penetrates through the opening and is movably arranged in the opening, the first rod body is provided with a sliding groove for sliding and hinging with the limiting contact part, and the second rod body is hinged with a first driving device which is vertically arranged in the box body.

Through setting up the box that vertical direction was placed on aluminium alloy fixing device, the box top is provided with the conveyer way of aluminium alloy, and first spacing portion and second spacing portion all set up in vertical direction and carry out spacingly to the aluminium alloy that carries in conveyer way both sides, make the part that carries out spacingly to the aluminium alloy all concentrate in the box place of vertical direction, possess the effect of saving space in the lateral direction; the second limiting part comprises a limiting contact part, a connecting rod and a first driving device, wherein the limiting contact part is actually used for contacting with an aluminum profile on one side of a conveying channel and is matched with the first limiting part to compress the aluminum profile, the displacement of the aluminum profile on two sides is limited, the connecting rod is hinged in the box body and extends from a hinge point to form a first rod body and a second rod body which are inclined to each other, the first rod body extends from an opening formed in the box body and is provided with a sliding groove, the limiting contact part is in sliding connection with the first rod body through the sliding groove, the second rod body is hinged with the first driving device which is vertically arranged in the box body, and the first driving device drives the hinge end of the second rod body to move in the vertical direction. Therefore, the aluminum profile fixing device has the beneficial effects of simple structure and high degree of automation so as to improve the processing efficiency.

Further, in some technical schemes, the aluminum profile fixing device further comprises a wheel plate switching structure, wherein the wheel plate switching structure is arranged above the conveying channel and is connected with a second driving device vertically arranged on the box body.

In order to limit the displacement of the aluminum profile in the vertical direction, the aluminum profile fixing device further comprises a wheel plate switching structure, the wheel plate switching structure is fixed above the conveying channel and is connected with a second driving device vertically arranged on the box body, and when the aluminum profile is conveyed to the position, the second driving device drives the wheel plate switching structure to move downwards, the aluminum profile is compressed from the upper side, and the displacement of the aluminum profile in the vertical direction is limited.

Further, in some technical schemes, the wheel plate switching structure comprises a limiting plate, a limiting roller and a vertically arranged third driving device, wherein the limiting roller is arranged below the limiting plate, a gap exists in the limiting roller, the gap area is larger than the area of the limiting plate, and the third driving device is connected above the limiting plate.

Because the limiting force of the limiting roller on the aluminum profile in the conveying direction is weaker, in order to completely fix the aluminum profile, the third driving device can be used for driving the limiting plate to move downwards to pass through the gap in the limiting roller to compress the aluminum profile, after the aluminum profile is processed at the station, the aluminum profile needs to be continuously conveyed to the next station by the conveying channel, if the whole wheel plate switching structure is driven to move upwards to loosen the aluminum profile by the second driving device, the waste power is larger, and the time required for driving the whole wheel plate switching structure to move is also more, at the moment, in order to save power and improve efficiency, the third driving device can be used for driving the limiting plate to move upwards from the gap of the limiting roller, and the limiting roller is matched with the conveying channel to convey the aluminum profile to the next processing station.

Further, in some technical solutions, two groups of connecting rods are arranged side by side along the direction of the conveying path, and a space exists between the two groups of connecting rods.

In order to enable the connecting rod to apply force in the horizontal direction to the limiting contact part to drive the limiting contact part to horizontally displace, the force application can be more stable, two groups of connecting rods can be arranged, the two groups of connecting rods are arranged side by side along the conveying channel, and a space exists between the two groups of connecting rods, so that when the limiting contact part and the first driving device are respectively hinged with the first connecting rod and the second connecting rod, two connecting points, namely an acting point, are arranged, and the connecting rods can be ensured to stably convert force in the vertical direction into force in the horizontal direction.

Further, in some embodiments, two openings are provided corresponding to the connecting rods, so that the first rod body slides in the openings.

Further, in some embodiments, the opening extends at the top of the case in a direction perpendicular to the conveying path, up to an edge of the case side wall opposite to the first stopper portion, and extends downward along the case side wall.

Further, in some technical schemes, the top of the box body is also provided with a sliding rail, the sliding rail and the opening are arranged in the same direction, the sliding rail is arranged between the two openings, and the limiting contact part is arranged on the sliding rail and is in sliding connection with the sliding rail.

Further, in some technical schemes, a movable plate is arranged at the joint of the limiting contact part and the sliding rail, a sliding groove is arranged at the contact surface of the movable plate and the sliding rail, and the sliding rail is embedded into the sliding groove and is in sliding connection with the movable plate.

Further, in some technical schemes, the first rod body further comprises a hinge bolt and a hinge nut matched with the hinge bolt, the hinge bolt penetrates through the chute, and two ends of the hinge bolt are matched with the hinge nut to fix and limit the position and are connected with the limit contact portion.

Further, in some embodiments, the limit contact is provided with a fixing through hole for fixing with the hinge bolt.

According to the aluminum profile fixing device provided by the utility model, the box body placed in the vertical direction is arranged on the aluminum profile fixing device, the conveying channel of the aluminum profile is arranged at the top of the box body, and the first limiting part and the second limiting part are arranged at two sides of the conveying channel in the vertical direction to limit the conveyed aluminum profile, so that the parts for limiting the aluminum profile are concentrated at the position of the box body in the vertical direction, and the aluminum profile fixing device has a certain space-saving effect; the second limiting part comprises a limiting contact part, a connecting rod and a first driving device, wherein the limiting contact part is actually used for contacting with an aluminum profile on one side of a conveying channel and is matched with the first limiting part to compress the aluminum profile, the displacement of the aluminum profile on two sides is limited, the connecting rod is hinged in the box body and extends from a hinge point to form a first rod body and a second rod body which are inclined to each other, the first rod body extends from an opening formed in the box body and is provided with a sliding groove, the limiting contact part is in sliding connection with the first rod body through the sliding groove, the second rod body is hinged with the first driving device which is vertically arranged in the box body, and the first driving device drives the hinge end of the second rod body to move in the vertical direction. Therefore, the aluminum profile fixing device has the beneficial effects of simple structure and high degree of automation so as to improve the processing efficiency.

Drawings

Fig. 1 is a front view of an aluminum profile fixing device provided by the utility model.

Fig. 2 is a perspective view of an aluminum profile fixing device provided by the utility model.

Fig. 3 is a perspective view of a wheel plate switching structure provided by the utility model.

Fig. 4 is an exploded view of the position a of fig. 2 provided by the present utility model.

In the figure: 100. an aluminum profile fixing device; 200. a conveyor lane; 110. a case; 111. the top of the box body; 112. a side wall of the box body; 120. a first limit part; 130. a second limit part; 131. a limit contact part; 132. a connecting rod; 133. a first driving device; 140. a wheel plate switching structure; 141. a second driving device; 142. a limiting plate; 143. limiting roller wheels; 144. a third driving device; 145. a void; 150. a hinge point; 151. a first rod body; 152. a second rod body; 153. a chute; 154. spacing; 155. a bearing; 156. a fixing nut; 157. a fixing through hole; 160. an opening; 170. a slide rail; 171. a movable plate; 172. and a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the automatic assembly line production of present door and window trade, clamping device debugging is complicated among the current aluminium alloy fixing device, often needs artifical manual debugging in order to press from both sides tight aluminium alloy, and this mode not only needs the human cost high, and machining efficiency is lower.

In this regard, referring to fig. 1 to 4, an aluminum profile fixing device has the following technical scheme:

the aluminum profile fixing device 100 comprises a box body 110 arranged in the vertical direction, wherein the top 111 of the box body is provided with a conveying channel 200 of aluminum profiles;

a first limiting part 120 is provided at one side of the conveying path 200, and a second limiting part 130 is provided at the other side opposite to the first limiting part 120;

the second limiting part 130 includes a limiting contact part 131, a connecting rod 132, and a first driving device 133;

the limiting contact portion 131 is disposed on the other side of the conveying channel 200 opposite to the first limiting portion 120, the connecting rod 132 is hinged in the box 110, the box 110 is provided with an opening 160, the first rod 151 passes through the opening 160 and is movably disposed in the opening 160, the first rod 151 is provided with a chute 153 for sliding hinge connection with the limiting contact portion 131, and the second rod 152 is hinged with the first driving device 133 vertically disposed in the box 110.

In the prior art, the first driving device 133 (the same component as the first driving device 133 or the same component as the first driving device 133) that drives the limit contact portion 131 to move is generally disposed on the case 110 transversely, which occupies a larger area in the transverse direction.

In practical application, the aluminum profile fixing device 100 is disposed on one side of a processing station along a direction of a conveying channel 200, and is used for fixing an aluminum profile on the processing station for processing, the aluminum profile fixing device 100 includes a box 110 disposed vertically, the conveying channel 200 is disposed at a top 111 of the box, and in order to enable the aluminum profile to be stably fixed on the aluminum profile fixing device 100, the left and right sides, the upper and lower sides and the conveying direction of the aluminum profile need to be limited, wherein the directions of the upper and lower sides, the left and right sides are all described by taking directions shown in fig. 1 as standards. The first limiting portion 120 is arranged on one side of the conveying channel 200 at the top 111 of the box body, the second limiting portion 130 is arranged on the other side opposite to the first limiting portion 120, the first limiting portion 120 and the second limiting portion 130 are matched to clamp and limit the aluminum profile on the left side and the right side, the first limiting portion 120 and the second limiting portion 130 can be of plate-shaped structures, friction between the plate-shaped structures and the surface of the aluminum profile is large when the aluminum profile is compressed, after the aluminum profile is processed, the second limiting portion 130 is driven to loosen the aluminum profile, the aluminum profile can be continuously conveyed to the next position, therefore in some preferred embodiments, the contact position between the limiting contact portions 131 of the first limiting portion 120 and the second limiting portion 130 and the aluminum profile can be of a vertical roller-shaped structure, friction force between the aluminum profile and the aluminum profile in the conveying direction is reduced, and after the aluminum profile is processed, the aluminum profile can be immediately conveyed to the next station, and the processing efficiency is improved.

In practical application, the second limiting portion 130 includes a limiting contact portion 131, a connecting rod 132, and a first driving device 133; the limiting contact part 131 is arranged on the other side of the conveying channel 200 and opposite to the first limiting part 120, and is directly contacted with the aluminum profile when the aluminum profile needs to be fixed, and is matched with the first limiting part 120 to compress the aluminum profile in the left-right direction; the connecting rod 132 is hinged in the box 110, and comprises a first rod body 151 and a second rod body 152 which extend from a hinge point 150 and incline to each other, the connecting rod 132 has the function of converting force in the vertical direction into force in the horizontal direction, therefore, when the first driving device 133 in the vertical direction drives one end of the second rod body 152 hinged with the first rod body to move in the vertical direction, the first rod body 151 converts the displacement in the vertical direction into the displacement in the horizontal direction, the first rod body 151 can move back and forth in the opening 160, thereby driving the limit contact part 131 hinged with the first rod body in a sliding manner, horizontally displacing at the top 111 of the box, clamping the aluminum profile when the limit contact part 131 is close to the first limit part 120, and loosening the aluminum profile when keeping away from the first limit part 120.

Further, in some of the embodiments, the aluminum profile fixing apparatus 100 further includes a wheel plate switching structure 140, and the wheel plate switching structure 140 is disposed above the conveyor 200 and connected to a second driving apparatus 141 vertically disposed on the case 110.

In practical application, in order to fix the aluminum profile in the vertical direction, a wheel plate switching structure 140 is further disposed above the conveying path 200, the wheel plate switching structure 140 is connected with a second driving device 141 vertically disposed on the box 110, the second driving device 141 drives the wheel plate switching structure 140 to move downward, the aluminum profile is pressed in the vertical direction in cooperation with the conveying path 200, the second driving device 141 drives the wheel plate switching structure 140 to move upward, the wheel plate switching structure 140 is far away from the conveying path 200, and the aluminum profile is relaxed.

Further, in some embodiments, the wheel plate switching structure 140 includes a limiting plate 142, a limiting roller 143 and a third driving device 144 vertically disposed, the limiting roller 143 is disposed below the limiting plate 142, a gap 145 exists in the limiting roller 143, the area of the gap 145 is larger than the area of the limiting plate 142, and the third driving device 144 is connected above the limiting plate 142.

In practical application, in order to limit the displacement of the aluminum profile in the direction of the conveying channel 200, the third driving device 144 may be used to drive the limiting plate 142 to move downwards, pass through the gap 145 in the limiting roller 143 to contact with the aluminum profile, increase the contact area with the aluminum profile, thereby increasing the friction force with the aluminum profile in the conveying direction, so that the aluminum profile is not easy to displace along the conveying channel 200 in the processing process, after the aluminum profile is processed, the third driving device 144 may be directly driven to enable the limiting plate 142 to move upwards through the gap 145, away from the aluminum profile, at this time, the upper part of the aluminum profile is only contacted with the limiting roller 143, the displacement limit of the aluminum profile in the conveying direction is released, and the aluminum profile can immediately move to the next processing station, without having to move upwards the whole wheel plate switching structure 140, thereby saving the processing time and improving the processing efficiency.

Further, in some of these embodiments, the links 132 are arranged side by side along the conveyor track 200 with a space 154 between the two sets of links 132.

In practical application, two groups of connecting rods 132 are arranged, the two groups of connecting rods 132 are connected through a hinge structure, the hinge structure is provided with bolts and nuts matched with the bolts, after the bolts penetrate through the two groups of connecting rods 132, the bolts are fixed at two ends by the nuts to limit the bolts, a certain distance 154 exists between the two groups of connecting rods 132, and therefore when the limiting contact part 131 and the first driving device 133 are hinged with the first connecting rod 132 and the second connecting rod 132 respectively, two connecting points, namely an acting point, are arranged, and the connecting rods 132 can be ensured to stably convert vertical force into horizontal force.

Further, in some embodiments, two openings 160 are provided corresponding to the links 132 for sliding the first rod 151 in the openings 160.

In practical application, two openings 160 are provided corresponding to the connecting rods 132, so that the first rod 151 slides in the openings 160, and interference between the connecting rods 132 and the box 110 during sliding is avoided.

Further, in some of these embodiments, the opening 160 extends at the tank top 111 in a direction perpendicular to the conveyor track 200, up to the edge of the tank side wall 112 opposite the first stopper 120, and extends downward along the tank side wall 112.

Wherein, because the connecting rod 132 structure is in the direction of the converting force, the displacement of the connecting end of the first rod 151 and the limiting contact portion 131 is: with the hinge point 150 as the center, the length of the first rod 151 is circular arc with a radius, and in some preferred embodiments, the opening 160 may extend downward along the side wall 112 of the box after the top extends to the edge of the side wall 112 opposite to the first limiting portion 120 along the direction perpendicular to the conveying path 200, so as to ensure that the first rod 151 has a sufficient displacement space and does not interfere with the box 110.

Further, in some embodiments, the top 111 of the box body is further provided with a sliding rail 170, the sliding rail 170 is disposed in the same direction as the openings 160, and is disposed between the two openings 160, and the limit contact portion 131 is disposed on the sliding rail 170 and is slidably connected with the sliding rail 170.

In practical application, in order to reduce friction between the limit contact portion 131 and the top 111 of the box, the top 111 of the box is further provided with a sliding rail 170, and the limit contact portion 131 is disposed on the sliding rail 170 and connected with the rail, so that the limit contact portion 131 can be more smoothly displaced at the top 111 of the box; the sliding rail 170 is disposed between the two openings 160, and because in practical application, the space 154 between the connecting rods 132 occupies the position of the top 111 of the box near the middle in the direction of the conveying channel 200, and correspondingly, the space between the two openings 160 is also distributed in the middle position of the top 111 of the box, while the rollers in the direction of the conveying channel 200 of the aluminum profile are disposed along the two side edges of the top 111 of the box, so that the sliding rail 170 is disposed between the two openings 160, and the limit contact portion 131 disposed on the sliding rail 170 can be embedded between the two rollers on the conveying channel 200 during displacement, so as to avoid interference with the rollers of the conveying channel 200.

Further, in some embodiments, a movable plate 171 is disposed at the connection between the limit contact portion 131 and the sliding rail 170, a sliding groove 172 is disposed at the contact surface between the movable plate 171 and the sliding rail 170, and the sliding rail 170 is embedded in the sliding groove 172 and slidably connected to the movable plate 171.

In practical application, in order to make the limit contact portion 131 slide on the sliding rail 170 better, a movable plate 171 is disposed at a connection position between the limit contact portion 131 and the sliding rail 170, a sliding groove 172 is disposed on a contact surface between the movable plate 171 and the sliding rail 170, and the sliding rail 170 is embedded in the sliding groove 172 and slidably connected with the movable plate 171.

Further, in some embodiments, the first rod 151 further includes a bearing 155 and a fixing nut 156 matched with the bearing 155, the bearing 155 passes through the chute 153, and two ends of the bearing 155 are matched with the fixing nut 156 to fix and limit, and are connected with the limit contact 131.

In practical application, because the motion track of the end of the first rod 151 hinged to the limit contact portion 131 is in a circular arc shape, and the limit contact portion 131 needs to be displaced in the horizontal direction, therefore, a chute 153 needs to be disposed at the hinge position of the first rod 151 and the limit contact portion 131, and the area of the chute 153 is larger than that of the bearing 155, when the end of the first rod 151 connected to the limit contact portion 131 runs in the circular arc track, the bearing 155 runs back and forth in the chute 153, and a push-pull force provided to the limit contact portion 131 in the horizontal direction drives the limit contact portion 131 to run back and forth in the horizontal direction.

Further, in some of these embodiments, the limit contact 131 is provided with a fixing through hole 157 for fixing with the bearing 155.

In practical application, in order to make the connection between the limit contact portion 131 and the bearing 155 more stable, the limit contact portion 131 is provided with a fixing through hole 157, and the bearing 155 passes through the chute 153 and the fixing through hole 157 and then fixes two ends by using the matched fixing nuts 156 to perform limit.

Finally, the limiting principle of the aluminum profile fixed on the device is as follows: after the aluminum profile is transported to a processing station, (1) the first driving device 133 drives the connecting rod 132 to convert the displacement in the vertical direction into the displacement in the horizontal direction, and the limiting contact part 131 is pushed to be close to the first limiting part 120 and is matched with the first limiting part 120 to clamp the aluminum profile on the left side and the right side; meanwhile, (2) the second driving device 141 drives the wheel plate switching structure 140 to move downwards, and the aluminum profile is compressed in the up-down direction in cooperation with the conveying channel 200; (3) The third driving device 144 drives the limiting plate 142 to move downwards to compress the aluminum profile, so that the displacement of the aluminum profile in the conveying direction is limited, and the device has the advantages of being simple in structure and high in automation degree to improve the machining efficiency.

The above description is only an example of the present utility model and is not intended to limit the scope of the present utility model, and various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The aluminum profile fixing device is characterized in that the aluminum profile fixing device (100) comprises a box body (110) arranged in the vertical direction, and a conveying channel (200) of aluminum profiles is arranged at the top (111) of the box body;

a first limiting part (120) is arranged on one side of the conveying channel (200), and a second limiting part (130) is arranged on the other side opposite to the first limiting part (120);

the second limiting part (130) comprises a limiting contact part (131), a connecting rod (132) and a first driving device (133);

limiting contact portion (131) set up conveyer way (200) for the opposite side of first limiting portion (120), connecting rod (132) articulated setting is in box (110), including first body of rod (151) and the second body of rod (152) that extend from hinge point (150) and set up and incline each other, box (110) are provided with opening (160), first body of rod (151) pass opening (160) and activity set up in opening (160), first body of rod (151) be equipped with spout (153) be used for with limiting contact portion (131) sliding hinge, second body of rod (152) are articulated with first drive arrangement (133) of vertical setting in box (110).

2. An aluminium profile fixing device according to claim 1, characterized in that the aluminium profile fixing device (100) further comprises a wheel plate switching structure (140), the wheel plate switching structure (140) being arranged above the conveyor channel (200) in connection with a second driving device (141) arranged vertically on the box (110).

3. The aluminum profile fixing device according to claim 2, wherein the wheel plate switching structure (140) comprises a limiting plate (142), a limiting roller (143) and a third driving device (144) which is vertically arranged, the limiting roller (143) is arranged below the limiting plate (142), a gap (145) is formed in the limiting roller (143), the area of the gap (145) is larger than that of the limiting plate (142), and the third driving device (144) is connected above the limiting plate (142).

4. An aluminium profile fixing device according to claim 1, wherein the connecting rods (132) are arranged side by side in the direction of the conveyor track (200) with a distance (154) between the two groups of connecting rods (132).

5. An aluminium profile fixing device according to claim 4, wherein the openings (160) are provided with two corresponding links (132) for sliding the first rod (151) in the corresponding openings (160).

6. An aluminium profile fixing device according to claim 5, wherein the opening (160) extends at the top (111) of the box in a direction perpendicular to the conveying path (200) up to the edge of the box side wall (112) opposite the first limit part (120) and extends downwards along the box side wall (112).

7. The aluminum profile fixing device according to claim 6, wherein the top (111) of the box body is further provided with a sliding rail (170), the sliding rail (170) and the opening (160) are arranged in the same direction and between the two openings (160), and the limit contact part (131) is arranged on the sliding rail (170) and is in sliding connection with the sliding rail (170).

8. The aluminum profile fixing device according to claim 7, wherein a movable plate (171) is arranged at the joint of the limiting contact part (131) and the sliding rail (170), a sliding groove (172) is arranged at the contact surface of the movable plate (171) and the sliding rail (170), and the sliding rail (170) is embedded into the sliding groove (172) and is in sliding connection with the movable plate (171).

9. An aluminium profile fixing device according to claim 1, wherein the first rod body (151) further comprises a bearing (155) and a fixing nut (156) matched with the bearing (155), the bearing (155) passes through the chute (153), and two ends are matched with the fixing nut (156) to fix limit and are connected with the limit contact part (131).

10. An aluminium profile fixing device according to claim 9, wherein the limit contact (131) is provided with a fixing through hole (157) for fixing with the bearing (155).