Aluminum profile three-station positioning device

Abstract

The utility model discloses an aluminum profile three-station positioning device which comprises positioning tables and a mounting plate and further comprises a clamping assembly, multiple rows of positioning devices are arranged on the mounting plate, each row of positioning devices is composed of three positioning tables, the three positioning tables are linearly arranged, positioning grooves are formed in the positioning tables, the positioning grooves of the three positioning tables in the same row are communicated, and the clamping assembly is arranged on the mounting plate. The rack is used for placing aluminum profiles; the clamping assembly is arranged at the joint of one side of the positioning groove and the positioning table. Three-station positioning of an aluminum profile is achieved through the three positioning tables and the clamping assembly, the clamping unit accurately positions the position of the aluminum profile by driving the rotating arm, a fastening head of the clamping unit is of a polyhedral structure, and suitable pressing faces or pressing angles can be selected for pressing the aluminum profile according to different specifications and sizes of the aluminum profile. And the flexible anti-collision layer is arranged on the surface of the fastening head, so that aluminum profiles of various specifications and types can be fastened on the positioning table under the condition that the aluminum profiles are not damaged.

Description

Technical Field

[0001] The utility model belongs to the technical field of aluminum profile processing, and particularly relates to a three-station positioning device for aluminum profiles. Background Art

[0002] A milling machine mainly refers to a machine tool for machining various surfaces of workpieces. Usually, the milling cutter takes the rotary motion as the main motion, and the movement of the workpiece and the milling cutter is the feed motion. It can machine planes, grooves, and various curved surfaces, gears, etc. The aluminum profile end milling machine is mainly used for machining the ends of aluminum door and window profiles. During the working process of the milling machine, the aluminum profile to be machined is fixed. In the prior art, a fixture is used to clamp the workpiece to facilitate the milling work. However, the shapes of the aluminum profiles to be milled are irregular, and some of the aluminum profiles to be milled are provided with grooves or protrusions. It is impossible to firmly clamp the irregularly shaped aluminum profiles only by the fixture. Therefore, there is an urgent need for a positioning device that can clamp both regularly shaped aluminum profiles and irregularly shaped aluminum profiles. Summary of the Utility Model

[0003] To solve the deficiencies in the prior art, the utility model provides a three-station positioning device for aluminum profiles, which can fasten aluminum profiles of various specifications and types on the positioning table without damaging the aluminum profiles.

[0004] The utility model adopts the following technical solutions.

[0005] A three-station positioning device for aluminum profiles includes a positioning table and a mounting plate, and further includes a clamping assembly. Multiple rows of positioning devices are arranged on the mounting plate. Each row of positioning devices consists of three positioning tables, and the three positioning tables are linearly arranged. The positioning table is provided with a positioning groove, and the positioning grooves of the three positioning tables in the same row are communicated with each other for placing aluminum profiles. The clamping assembly is arranged at the connection between the positioning groove and the positioning table on one side.

[0006] Preferably, the clamping assembly includes a rotating arm and a clamping unit. There are multiple rotating arms, and the multiple rotating arms are connected to form a robotic arm. The rotating arm includes a rotating unit and a telescopic unit. One end of the robotic arm is fixedly installed at the connection between the positioning groove and the positioning table through the rotating unit, and the other end is fixedly connected to the clamping unit through the telescopic unit. Adjacent rotating arms are connected through the rotating unit on one rotating arm and the telescopic unit on the other rotating arm, and the telescopic unit and the rotating unit on the same rotating arm are rotatably connected.

[0007] Preferably, the rotating unit includes a rotating shaft and a connecting plate, and the telescopic unit includes a fixing plate. There are two rotating shafts on the rotating unit, and the fixing plate is rotatably installed on the connecting plate. One end of the rotating shaft is rotatably installed on the connecting plate, and the other end is rotatably installed on the fixing plate.

[0008] Preferably, the telescopic unit further includes a telescopic shaft, a telescopic plate, a limit pin, a limit shaft, a mating slider, a sliding cylinder, and a limit sliding seat. The telescopic shaft, the sliding cylinder, and the limit sliding seat are all fixedly installed on the fixed plate. The telescopic plate is slidably installed on the fixed plate and is fixedly connected to the telescopic shaft. The mating slider is slidably installed on the fixed plate and is fixedly connected to the piston rod of the sliding cylinder. Two limit pins are slidably installed on the limit sliding seat, and the two limit pins are connected by a limit shaft.

[0009] Preferably, two square openings are formed in the telescopic plate. The shape of the square opening corresponds to the shape of the limit pin. The two square openings form a set of openings. Multiple sets of openings are formed in the telescopic plate. Openings are provided inside both of the two limit pins. One end of the mating slider passes through the openings of the two limit pins, and a slope is provided on the mating slider.

[0010] Preferably, the clamping unit includes a fastening head, a fastening head fixing ring, a fastening head mounting seat, a passive gear shaft, a passive gear, an active gear, and an active motor. The active motor is fixedly installed on the fastening head mounting seat. The active gear is fixedly installed on the output shaft of the active motor. The passive gear shaft is rotatably installed on the fastening head mounting seat. The passive gear is fixedly installed on the passive gear shaft. The passive gear is meshed and connected to the active gear. The fastening head fixing ring is fixedly installed on the fastening head.

[0011] Preferably, a groove is formed in the fastening head fixing ring, and a convex block is provided on the passive gear shaft. The groove formed in the fastening head fixing ring and the convex block provided on the passive gear shaft are matched with each other.

[0012] Preferably, the fastening head has a polyhedron structure, with two faces being the same polygon and the two polygon faces being arranged opposite to each other. The two polygon faces are connected by squares equal in number to the number of sides of the polygon to form a polyhedron structure, which is the fastening head. The two polygon faces are called rotating faces, and multiple quadrilateral faces are called pressing faces. The connection between the pressing faces is called a pressing angle.

[0013] Preferably, the size of the pressing face varies with the number of sides and the shape of the rotating face, and the angle of the pressing angle varies with the number of sides and the shape of the rotating face. When fixing the aluminum profile, select the appropriate pressing angle or pressing face according to the shape specifications of the aluminum profile for fixing.

[0014] Preferably, a flexible anti-collision layer is provided on the surface of the fastening head, and the fastening head fixing ring is fixed on the two rotating faces of the fastening head.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: the three-position positioning of the aluminum profile is realized through three positioning tables and a clamping assembly. By driving the rotating arm, the clamping unit accurately positions the aluminum profile. The fastening head of the clamping unit has a polyhedral structure, and a suitable pressing surface or pressing angle can be selected according to the different specifications of the aluminum profile to press the aluminum profile. Moreover, a flexible anti-collision layer is provided on the surface of the fastening head, which can fasten aluminum profiles of various specifications and types on the positioning table without damaging the aluminum profile. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present utility model and form a part of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present application and do not constitute an improper limitation of the present utility model. In the drawings:

[0017] Figure 1 is a schematic structural diagram of a three-position positioning device for aluminum profiles provided by the present utility model;

[0018] Figure 2 is a schematic structural diagram of the positioning table of a three-position positioning device for aluminum profiles provided by the present utility model;

[0019] Figure 3 is a schematic structural diagram of the clamping assembly of a three-position positioning device for aluminum profiles provided by the present utility model;

[0020] Figure 4 is a schematic structural diagram of the rotating arm of a three-position positioning device for aluminum profiles provided by the present utility model;

[0021] Figure 5 is a schematic structural diagram of the clamping unit of a three-position positioning device for aluminum profiles provided by the present utility model. The reference numerals in the drawings are explained as follows: 1 - positioning table; 101 - positioning groove; 2 - mounting plate; 3 - clamping assembly; 301 - rotating arm; 3011 - rotating shaft; 3012 - connecting plate; 3013 - fixing plate; 3014 - telescopic plate; 3015 - limit pin; 3016 - limit shaft; 3017 - mating slider; 3018 - sliding cylinder; 3019 - limit sliding seat; 302 - clamping unit; 3021 - fastening head; 3022 - fastening head fixing ring; 3023 - fastening head mounting seat; 3024 - passive gear shaft; 3025 - passive gear; 3026 - active gear; 3027 - active motor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] In order to more clearly illustrate the overall concept of the present application, the following will be described in detail by way of examples in conjunction with the drawings of the specification.

[0023] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. However, the present utility model may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present utility model is not limited by the specific embodiments disclosed below.

[0024] In addition, in the description of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0025] In the present utility model, unless otherwise clearly specified and defined, the terms "installed", "connected", "connected to", "fixed", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or a communication connection; it may be directly connected, or indirectly connected through an intermediate medium, and may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In the present utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description referring to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0027] According to Figure 1 As shown, the present utility model provides an aluminum profile three-station positioning device, which includes a positioning table 1, a mounting plate 2, and a clamping assembly 3. Multiple rows of positioning devices are provided on the mounting plate 2. Each row of positioning devices consists of three positioning tables 1. The three positioning tables 1 are arranged linearly. The clamping assembly 3 is arranged on the positioning table 1. Three-station positioning is achieved through the three positioning tables 1, and the fixation of aluminum profiles with various shapes and specifications is achieved through the clamping of the clamping assembly 3 without causing damage to the aluminum profiles.

[0028] According to Figure 2As shown, a positioning groove 101 is provided on the positioning table 1. The positioning grooves 101 of three positioning tables 1 in the same row are communicated with each other for placing aluminum profiles. The clamping assembly 3 is arranged at the connection between one side of the positioning groove 101 and the positioning table 1.

[0029] According to Figure 3 As shown, the clamping assembly 3 includes a rotating arm 301 and a clamping unit 302;

[0030] A plurality of rotating arms 301 are provided. The plurality of rotating arms 301 are connected to form a robotic arm. The rotating arm 301 includes a rotating unit and a telescopic unit. One end of the robotic arm is fixedly installed at the connection between the positioning groove 101 and the positioning table 1 through the rotating unit, and the other end is fixedly connected to the clamping unit 302 through the telescopic unit. Adjacent two rotating arms 301 are connected through the rotating unit on one rotating arm 301 and the telescopic unit on the other rotating arm 301. The telescopic unit on the same rotating arm 301 is rotatably connected to the rotating unit;

[0031] According to Figure 4 As shown, the rotating unit includes a rotating shaft 3011 and a connecting plate 3012. Two rotating shafts 3011 are provided on the rotating unit. The telescopic unit includes a fixing plate 3013, a telescopic shaft, a telescopic plate 3014, a limit pin 3015, a limit shaft 3016, a matching slider 3017, a sliding cylinder 3018 and a limit sliding seat 3019. The rotating unit at one end of the robotic arm is fixedly connected to the connection between the positioning groove 101 and the positioning table 1. The telescopic unit at the other end of the robotic arm is fixedly connected to the clamping unit 302. A fixed connection is made between the adjacent connecting plate 3012 and telescopic plate 3014 in the robotic arm. The fixing plate 3013 is rotatably installed on the connecting plate 3012. One end of the rotating shaft 3011 is rotatably installed on the connecting plate 3012 and the other end is rotatably installed on the fixing plate 3013. The telescopic shaft, the sliding cylinder 3018 and the limit sliding seat 3019 are all fixedly installed on the fixing plate 3013. The telescopic plate 3014 is slidably installed on the fixing plate 3013. The telescopic plate 3014 is fixedly connected to the telescopic shaft. The matching slider 3017 is slidably installed on the fixing plate 3013. The matching slider 3017 is fixedly connected to the piston rod of the sliding cylinder 3018. Two limit pins 3015 are slidably installed on the limit sliding seat 3019. The two limit pins 3015 are connected through a limit shaft 3016.

[0032] Two square openings are formed on the telescopic plate 3014. The shape of the square openings corresponds to the shape of the limit pin 3015. The two square openings are a group of openings. Multiple groups of openings are formed on the telescopic plate 3014. Openings are provided inside both of the two limit pins 3015. One end of the matching slider 3017 passes through the openings of the two limit pins 3015. A slope is provided on the matching slider 3017.

[0033] Start the sliding cylinder 3018. The sliding cylinder 3018 drives the mating slider 3017 to move. The mating slider 3017 pushes the limit pin 3015 to rise. Then start the telescopic shaft. When the telescopic shaft drives the telescopic plate 3014 to slide to the required position, start the sliding cylinder 3018. The sliding cylinder 3018 drives the mating slider 3017 to move in the reverse direction. The limit pin 3015 and the limit pin 3015 fall and are inserted into the opening on the telescopic plate 3014. Start the rotating shaft 3011 at the connecting plate 3012 connected to the positioning groove 101. The rotating shaft 3011 drives the fixed plate 3013 to rotate. The fixed plate 3013 drives the telescopic plate 3014 to rotate. The telescopic plate 3014 drives the adjacent rotating arm 301 to rotate. Finally, it drives the rotating arm 301 adjacent to the clamping unit 302 to rotate. The rotating shaft 3011 near one end of the clamping unit 302 drives the fixed plate 3013 to rotate. The fixed plate 3013 drives the telescopic plate 3014 to rotate. The telescopic plate 3014 drives the clamping unit 302 to rotate to the required position.

[0034] According to Figure 5 As shown, the clamping unit 302 includes a fastening head 3021, a fastening head fixing ring 3022, a fastening head mounting seat 3023, a driven gear shaft 3024, a driven gear 3025, a driving gear 3026 and a driving motor 3027. The driving motor 3027 is fixedly installed on the fastening head mounting seat 3023. The driving gear 3026 is fixedly installed on the output shaft of the driving motor 3027. The driven gear shaft 3024 is rotatably installed on the fastening head mounting seat 3023. The driven gear 3025 is fixedly installed on the driven gear shaft 3024. The driven gear 3025 is meshed and connected with the driving gear 3026. The fastening head fixing ring 3022 is fixedly installed on the fastening head 3021. There are two each of the fastening head fixing ring 3022, the driven gear shaft 3024, the driven gear 3025, the driving gear 3026 and the driving motor 3027. A groove is formed on the fastening head fixing ring 3022. A convex block is provided on the driven gear shaft 3024. The groove formed on the fastening head fixing ring 3022 and the convex block provided on the driven gear shaft 3024 are matched with each other.

[0035] Start the driving motor 3027. The output shaft of the driving motor 3027 drives the driving gear 3026 to rotate. The driving gear 3026 drives the driven gear shaft 3024 to rotate through the driven gear 3025. The driven gear shaft 3024 drives the fastening head 3021 to rotate through the fastening head fixing ring 3022.

[0036] The fastening head 3021 has a polyhedron structure, where two faces are the same polygons and are arranged opposite to each other. The two polygon faces are connected by quadrilaterals with the same number as the number of sides of the polygon to form a polyhedron structure, which is the fastening head 3021. That is, the two polygon faces are called rotating faces, and the multiple quadrilateral faces are called pressing faces. The connection between the pressing faces is called the pressing angle. The size of the pressing face will vary with the number of sides of the rotating face and the shape of the rotating face, and the angle of the pressing angle will vary with the number of sides of the rotating face and the shape of the rotating face. When fixing the aluminum profile, select a suitable pressing angle or pressing face according to the shape and specification of the aluminum profile for fixing. A flexible anti-collision layer is provided on the surface of the fastening head 3021, and the fastening head fixing ring 3022 is fixed on the two rotating faces of the fastening head 3021;

[0037] When milling the aluminum profile and it is necessary to fix the aluminum profile on the milling machine, place the aluminum profile on the side of the positioning groove 101 that is not connected to the clamping assembly 3, make the aluminum profile close to one side of the positioning groove 101, start the driving motor 3027 to rotate the fastening head 3021 to select a suitable side or edge to press the aluminum profile. For an irregular aluminum profile with a groove on the upper side, the fastening head 3021 can be rotated to press a suitable pressing angle of the fastening head 3021 into the groove of the aluminum profile, so as to achieve the purpose of fastening the aluminum profile without damaging the aluminum profile.

[0038] Compared with the prior art, the beneficial effect of the present utility model is that three-position positioning of the aluminum profile is achieved through the three positioning platforms 1 and the clamping assembly 3. The clamping unit 302 accurately positions the aluminum profile by driving the rotating arm 301. The fastening head 3021 of the clamping unit 302 has a polyhedron structure, and a suitable pressing face or pressing angle can be selected according to the different specifications of the aluminum profile to press the aluminum profile. Moreover, a flexible anti-collision layer is provided on the surface of the fastening head 3021, and various specifications and types of aluminum profiles can be fastened on the positioning platform 1 without damaging the aluminum profile.

[0039] What is not described in the present utility model can be realized by adopting or referring to the existing technology.

[0040] Each embodiment in this specification is described in a progressive manner. The same or similar parts among the embodiments can be referred to each other, and the key points of each embodiment are the differences from other embodiments.

[0041] The above are only the embodiments of the present utility model and are not used to limit the present utility model. For those skilled in the art, the present utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the scope of the claims of the present utility model.

Claims

1. A three-station positioning device for aluminum profiles, comprising a positioning platform (1) and a mounting plate (2), characterized in that: It also comprises a clamping assembly (3), wherein the mounting plate (2) is provided with a plurality of rows of positioning devices, each row of positioning devices is composed of three positioning platforms (1), the three positioning platforms (1) are arranged linearly, the positioning platforms (1) are provided with positioning grooves (101), the positioning grooves (101) of the three positioning platforms (1) in the same row are connected, and are used for placing aluminum profiles; the clamping assembly (3) is arranged at the connection between one side of the positioning groove (101) and the positioning platform (1).

2. The three-position positioning device for aluminum profiles according to claim 1, characterized in that: The clamping assembly (3) comprises a rotating arm (301) and a clamping unit (302); a plurality of rotating arms (301) are provided, and the plurality of rotating arms (301) are connected to form a mechanical arm, the rotating arm (301) comprising a rotating unit and a telescopic unit, one end of the mechanical arm is fixedly mounted at the connection between the positioning groove (101) and the positioning platform (1) through the rotating unit, and the other end is fixedly connected to the clamping unit (302) through the telescopic unit, two adjacent rotating arms (301) are connected through the rotating unit on one rotating arm (301) and the telescopic unit on the other rotating arm (301), and the telescopic unit on the same rotating arm (301) is rotatably connected to the rotating unit.

3. The three-position positioning device for aluminum profiles according to claim 2, characterized in that: The rotating unit comprises a rotating shaft (3011) and a connecting plate (3012), and the telescopic unit comprises a fixing plate (3013). Two rotating shafts (3011) are provided on the rotating unit, and the fixing plate (3013) is rotatably mounted on the connecting plate (3012), and one end of the rotating shaft (3011) is rotatably mounted on the connecting plate (3012) and the other end is rotatably mounted on the fixing plate (3013).

4. The three-position positioning device for aluminum profiles according to claim 3, characterized in that: The telescopic unit further comprises a telescopic shaft, a telescopic plate (3014), a limit pin (3015), a limit shaft (3016), a matching slider (3017), a sliding cylinder (3018) and a limit sliding seat (3019); the telescopic shaft, the sliding cylinder (3018) and the limit sliding seat (3019) are all fixedly mounted on the fixed plate (3013); the telescopic plate (3014) is slidably mounted on the fixed plate (3013); the telescopic plate (3014) is fixedly connected to the telescopic shaft; the matching slider (3017) is slidably mounted on the fixed plate (3013); the matching slider (3017) is fixedly connected to the piston rod of the sliding cylinder (3018); two limit pins (3015) are slidably mounted on the limit sliding seat (3019); and the two limit pins (3015) are connected via the limit shaft (3016).

5. The three-position positioning device for aluminum profiles according to claim 4, characterized in that: The telescopic plate (3014) has two square openings, the shape of the square openings corresponds to the shape of the limit pin (3015), the two square openings form a group of openings, the telescopic plate (3014) has multiple groups of openings, both limit pins (3015) are provided with openings inside, one end of the matching slider (3017) passes through the openings of the two limit pins (3015), and the matching slider (3017) is provided with an inclined surface.

6. The three-position positioning device for aluminum profiles according to claim 2, characterized in that: The clamping unit comprises a fastening head (3021), a fastening head fixing ring (3022), a fastening head mounting seat (3023), a passive gear shaft (3024), a passive gear (3025), a driving gear (3026) and a driving motor (3027); the driving motor (3027) is fixedly mounted on the fastening head mounting seat (3023); the driving gear (3026) is fixedly mounted on the output shaft of the driving motor (3027); the passive gear shaft (3024) is rotatably mounted on the fastening head mounting seat (3023); the passive gear (3025) is fixedly mounted on the passive gear shaft (3024); the passive gear (3025) is meshedly connected with the driving gear (3026); and the fastening head fixing ring (3022) is fixedly mounted on the fastening head (3021).

7. The three-position positioning device for aluminum profiles according to claim 6, characterized in that: The fastening head fixing ring (3022) is provided with a groove, and the driven gear shaft (3024) is provided with a protrusion. The groove provided on the fastening head fixing ring (3022) and the protrusion provided on the driven gear shaft (3024) match each other.

8. The three-position positioning device for aluminum profiles according to claim 7, characterized in that: The fastening head (3021) has a polyhedral structure, wherein two faces are identical polygons, and the two polygonal faces are arranged opposite to each other, and the two polygonal faces are connected by squares with the same number of polygonal edges to form a polyhedral structure, namely the fastening head (3021), the two polygonal faces are called rotating faces, the multiple quadrilateral faces are called pressing faces, and the connection between the pressing faces is called the pressing angle.

9. The three-position positioning device for aluminum profiles according to claim 8, characterized in that: The clamping surface will have different sizes depending on the number of rotating surface edges and the shape of the rotating surface. The clamping angle will have different angles depending on the number of rotating surface edges and the shape of the rotating surface. When fixing the aluminum profile, select the appropriate clamping angle or clamping surface for fixing according to the shape specifications of the aluminum profile.

10. The three-position positioning device for aluminum profiles according to claim 6, characterized in that: A flexible anti-collision layer is provided on the surface of the fastening head (3021), and the fastening head fixing ring (3022) is fixed on two rotating surfaces of the fastening head (3021).

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