Positioning device for door frame machining

Abstract

The utility model discloses a positioning device for door frame processing, which comprises a displacement table, a rail seat and a frame table seat, a steering engine is rotatably mounted on the top surface of the displacement table, the steering engine is fixed on the bottom surface of the rail seat, and a rotary table for driving the steering engine to rotate is arranged at the bottom of the displacement table; a first lead screw set and a second lead screw set which are perpendicular to each other are arranged on the surface of the rail base, the first lead screw set is connected with two transverse guide rods arranged in a sliding mode, the second lead screw set is connected with a push plate, and a sliding table is fixedly installed on the surface of the push plate. The frame pedestal is slidably installed on the top face of the transverse guide rod and matched with the sliding table through a sliding block. An assembling frame is arranged on the edge of the frame pedestal, and two pressing and clamping cylinders and a pushing and clamping cylinder are fixed to the edge of the frame pedestal. The device is compact in structure, high in positioning precision, capable of achieving automatic clamping and angle splicing of door frame components, suitable for efficient machining of various door frame structures and has the advantages of being good in clamping stability, high in adaptability, high in automation degree and the like.

Description

Technical Field

[0001] This utility model relates to the field of door frame processing machinery technology, specifically a positioning device for door frame processing. Background Technology

[0002] As the construction industry continues to demand higher standards for standardization, assembly, and automation in door and window products, the manufacturing and assembly processes for door frames are also developing towards higher precision and efficiency. During the door frame manufacturing process, the right-angle positioning accuracy and clamping stability between the vertical bars and the top horizontal bar directly affect the overall structural strength of the door frame and the smoothness of subsequent installation.

[0003] Currently, the positioning and assembly of door frames still mainly relies on manual alignment and clamping, which presents the following problems:

[0004] Poor positioning accuracy: Manual operation is prone to deviations in the assembly position of vertical and horizontal bars, especially in batch assembly processes where consistency is poor.

[0005] Unstable clamping: Existing clamps mostly use single-point clamping, which cannot achieve multi-face auxiliary positioning and angle maintenance, resulting in easy deformation of the door frame after welding or riveting.

[0006] Inflexible adjustment: Most existing assembly platforms lack adjustable guide mechanisms, making it difficult to adapt to door frame products of different sizes and configurations;

[0007] Low level of automation: Traditional assembly processes rely on manual adjustment, clamping and handling, which cannot meet the needs of assembly line integration or intelligent manufacturing.

[0008] For example, some existing processing devices, although equipped with simple sliding or lifting mechanisms, lack multi-axis linkage adjustment structures and automatic clamping functions, and cannot achieve efficient and accurate assembly and positioning of door frame components under different processing orientations. In particular, there are still obvious technical defects in angle control and push-and-close operations during the L-shaped right-angle splicing process.

[0009] Therefore, there is an urgent need for a door frame processing and positioning device with adjustable structure, stable clamping, strong adaptability, and easy integration into an automated system, in order to solve the technical problems of inaccurate positioning, weak clamping, poor adaptability, and low efficiency in the existing technology. Utility Model Content

[0010] This utility model aims to solve one of the technical problems existing in the prior art or related technologies.

[0011] Therefore, the technical solution adopted by this utility model is: a positioning device for door frame processing, including: a positioning platform, a rail base and a frame base, wherein a servo motor fixed to the bottom surface of the rail base is rotatably mounted on the top surface of the positioning platform, and a turntable for driving the servo motor to rotate is provided on the bottom surface of the positioning platform.

[0012] The surface of the rail base is provided with a first lead screw group and a second lead screw group arranged perpendicularly to each other. The output end of the first lead screw group is connected to two horizontal guide rods that are slidably arranged on the surface of the first lead screw group. The output end of the second lead screw group is connected to a push plate, and a slide is fixedly connected to the surface of the push plate. The frame base is slidably installed on the top surface of the horizontal guide rods, and a slider sleeved on the surface of the slide is fixedly installed on the surface of the frame base. The slide is arranged parallel to the rail base. An assembly frame and two clamping cylinders arranged perpendicularly to each other are fixedly installed on the surface edge of the frame base. A push clamping cylinder is fixedly installed on the top surface of the frame base.

[0013] In a preferred embodiment, the present invention can be further configured such that: the number of the frame bases is two sets, and the two frame bases are arranged in opposite directions and symmetrically distributed about the center line of the first screw group, and the top surface assembly frame of the two frame bases is arranged in opposite directions.

[0014] Specifically, two frame bases are used to support the vertical bars of the door frame, and the vertical bars and the top horizontal bars of the door frame are assembled inside the assembly frame.

[0015] In a preferred embodiment, the present invention can be further configured such that: the clamping cylinder is located on both sides of the assembly frame, and the output end of the clamping cylinder is connected to a pressure head rotatably mounted on the surface of the assembly frame; the pressure head is driven by the clamping cylinder to deflect the lever and press down the door frame strip for positioning.

[0016] Specifically, the door frame strip is pressed down and positioned by the deflection movement of the pressure head lever driven by the clamping cylinder.

[0017] In a preferred embodiment, the present invention can be further configured such that: the output end of the push-clamp cylinder is connected to a push head, and the push head is in the shape of an isosceles trapezoid, with the two sides of the push head arranged parallel to the inner side of the assembly frame, and the assembly frame is in the shape of a right-angled L-shaped strip.

[0018] Specifically, guided by the right angle of the assembly frame, the vertical and horizontal strips of the door frame are spliced ​​at right angles on the inner side of the assembly frame. Furthermore, through the action of the push clamp cylinder and the push head, the vertical and horizontal strips of the door frame are spliced ​​and combined closer to the surface of the assembly frame.

[0019] In a preferred embodiment, the present invention can be further configured such that: both the first lead screw group and the second lead screw group include a motor and a lead screw fixed to the output end of the motor; the first lead screw group is used to drive two frame seats to slide towards each other on the surface of the first lead screw group; and the second lead screw group is used to drive the push plate and the slide table to move in a direction perpendicular to the surface of the first lead screw group, thereby realizing the sliding of the frame seats on the surface of the horizontal guide rod.

[0020] Specifically, driven by the first and second lead screw groups, the two frame bases guide the vertical bars of the door frame to move towards each other and connect with the two ends of the horizontal bars of the door frame. Under the operation of the second lead screw group and the slide table, they are used to drive the overall door frame displacement movement.

[0021] In a preferred embodiment, the present invention can be further configured such that: the bottom end of the servo motor is provided with an electrode slip ring for electrode connection of the first lead screw assembly, the second lead screw assembly, the clamping cylinder, and the pushing cylinder.

[0022] In a preferred embodiment, the present invention can be further configured such that the push-clamp cylinder is arranged at an angle, and the centerline of the push-clamp cylinder coincides with the angle bisector of the assembly frame.

[0023] The beneficial effects achieved by this utility model are as follows:

[0024] 1. In this utility model, a first and second screw assembly that are perpendicular to each other, together with a sliding guide rail and a slide table, achieve precise multi-directional motion control, ensuring accurate alignment of door frame components during assembly, which is particularly suitable for the high-precision requirements of right-angle splicing structures.

[0025] 2. In this utility model, the clamping cylinder on the frame base and the L-shaped assembly frame are used together to provide double-sided limiting and clamping for the vertical strips of the door frame, so as to prevent the workpiece from shifting during the assembly process. The push clamping cylinder adopts an isosceles trapezoidal push head structure. The push head cooperates with the inner side of the assembly frame to realize the smooth splicing of the horizontal and vertical strips of the door frame at a 90° angle, and the angle guidance is accurate, which is helpful for subsequent welding or riveting processes. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of one embodiment of the present utility model;

[0027] Figure 2 This is a schematic diagram of the installation structure of the rail base and frame base according to an embodiment of the present utility model;

[0028] Figure 3 This is a schematic diagram of the frame base installation structure according to an embodiment of the present utility model;

[0029] Figure 4 This is a schematic diagram of the surface structure of the frame base according to an embodiment of the present invention.

[0030] Figure label:

[0031] 100. Positioning station; 110. Servo motor; 120. Turntable;

[0032] 200, Rail base; 210, First lead screw assembly; 220, Second lead screw assembly; 230, Slide table; 240, Cross guide rod; 221, Push plate;

[0033] 300, frame base; 310, clamping cylinder; 320, pushing cylinder; 301, assembly frame. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.

[0035] It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this invention.

[0036] The following is in conjunction with the appendix Figures 1-4 This invention describes a positioning device for door frame processing, provided by some embodiments of the present invention.

[0037] Example 1: Positioning device for processing basic structural door frames

[0038] like Figures 1 to 4 As shown, this embodiment provides a positioning device for door frame processing, including: a positioning platform 100, a rail base 200, and a frame base 300.

[0039] The positioning platform 100 serves as the basic support platform for the entire machine. A servo motor 110 is rotatably mounted on its top surface, which drives the rail base 200 to rotate. A turntable 120 is fixedly mounted on the bottom surface of the positioning platform 100. The turntable 120 drives the servo motor 110 to rotate along the vertical axis, thereby realizing the angle adjustment of the entire device and improving its ability to adapt to different door frame directions.

[0040] The surface of the rail base 200 is provided with two sets of screw drive mechanisms arranged perpendicularly to each other, including:

[0041] First lead screw assembly 210: horizontally arranged, with two horizontal guide rods 240 slidably set on its surface connected to its output end, used to guide the movement of the frame base 300 in the horizontal direction;

[0042] The second lead screw assembly 220 is vertically set, and its output end is connected to a push plate 221. A slide table 230 is fixedly connected to the surface of the push plate 221, which is used to drive the frame base 300 to achieve vertical adjustment.

[0043] The horizontal guide rod 240 cooperates with the push plate 221 to realize the free movement of the frame base 300 on the rail base 200 along two axes.

[0044] The frame base 300 is slidably mounted on the top surface of the horizontal guide rod 240 and engages with the slide table 230 via a slider located at its bottom, enabling it to be guided and positioned vertically. An L-shaped assembly frame 301 is fixedly mounted on the edge of the frame base 300 to support and limit the vertical bars of the door frame. Two clamping cylinders 310 are fixedly mounted on both sides of the assembly frame 301, with pressure heads connected to their output ends. The pressure heads are hinged and rotatably mounted on the surface of the assembly frame 301. In operation, the clamping cylinders 310 drive the pressure heads to perform a lever-type clamping action, achieving vertical clamping and positioning of the vertical bars of the door frame. A push-clamping cylinder 320 is also fixedly mounted on the top surface of the frame base 300, with an isosceles trapezoidal push head connected to its output end. The push head is arranged parallel to the inner wall of the L-shaped assembly frame 301 on both sides. When the push clamp cylinder 320 is activated, the push head pushes the top horizontal bar of the door frame into the assembly frame 301 along the right angle direction, so as to realize the right angle splicing and positioning of the three sides of the door frame.

[0045] To ensure stable power supply to all electric mechanisms during rotation, the bottom of the servo motor 110 is equipped with an electrode slip ring. The electrode slip ring is used to connect the power supply and control signals of the first lead screw assembly 210, the second lead screw assembly 220, the clamping cylinder 310, and the pushing cylinder 320, ensuring continuous operation of the device in dynamic conditions.

[0046] Example 2: Double-frame symmetrical door frame processing and positioning device

[0047] Based on Embodiment 1, this embodiment further optimizes the frame base 300 structure into a double-frame structure to meet the processing requirements of larger door frames.

[0048] Two sets of frame supports 300 are provided and symmetrically arranged along the direction of the first lead screw group 210. The two sets are symmetrical about the centerline of the first lead screw group 210, and the two connecting frames 301 are respectively arranged facing the centerline. Under the drive of the first lead screw group 210, the two frame supports 300 can move towards the centerline simultaneously to achieve clamping and positioning of the left and right door frame vertical bars.

[0049] The vertical bars of the door frame are placed in the two assembly frames 301 respectively, and are pressed and fixed by the clamping cylinders 310. Then, the horizontal bar at the top of the door frame is placed between the vertical bars, and the two push-clamping cylinders 320 simultaneously push the push head to press the horizontal bar into the internal L-corner structure of the assembly frame 301 from both ends.

[0050] This structure ensures that the vertical and horizontal bars of the door frame are spliced ​​at right angles, and the symmetrical pushing action of the double push clamping cylinder 320 makes the assembly connection tighter and more reliable.

[0051] Working principle and usage process of this utility model:

[0052] 1. Rotational positioning: The turntable 120 drives the servo motor 110 to rotate, thereby rotating the entire rail base 200 to a suitable angle;

[0053] 2. XY plane movement: The first lead screw group 210 and the second lead screw group 220 drive the movement in two directions respectively, so that the two horizontal guide rods 240 slide relative to each other and the push plate 221 slides linearly;

[0054] 3. Adjustment and installation of the slide table: The slide table 230 is fixed on the push plate 221, and its slider is inserted into the bottom slide groove of the frame base 300, so that the frame base 300 can slide on the horizontal guide rod 240.

[0055] 4. Assembly and connection of frame base:

[0056] The frame base 300 is equipped with an L-shaped assembly frame 301 to support the door frame vertical strips; the clamping cylinder 310 is used to vertically clamp the door frame vertical strips; the pushing cylinder 320 drives the isosceles trapezoidal push head to achieve the fit between the door frame vertical strips and the horizontal strips.

[0057] 5. Power supply and linkage control: The electrode slip ring set at the bottom of the servo motor 110 enables electrode connection of multiple electric mechanisms in the entire positioning device, ensuring the stability of power supply and signal transmission.

[0058] The usage process of this utility model:

[0059] Install door frame vertical strips: Place the door frame vertical strips sequentially into the assembly frames 301 of the two sets of oppositely arranged frame bases 300.

[0060] Moving the combined door frame horizontal bar: The second screw assembly 220 drives the push plate 221 and the slide table 230 to move upward; it drives the door frame horizontal bar to approach the upper end of the two door frame vertical bars, initially forming a three-sided frame shape; then the clamping cylinder 310 is activated to drive the pressure head to press down, completing the initial positioning of the door frame vertical bar.

[0061] Push and clamp the door frame structure: Activate the push-clamp cylinder 320, which pushes both ends of the crossbar towards the inner wall of the assembly frame 301 via the push head; under the guidance of the assembly frame, precise alignment and clamping of the door frame are achieved. After the positioning and assembly are completed, proceed to the next welding / riveting or inspection process;

[0062] Adjusting the positioning angle: If it is necessary to process door frames with different angles, the angle can be switched by rotating the entire positioner table by 120 degrees.

[0063] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0064] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A positioning device for door frame processing, characterized in that, include: The platform (100), the rail base (200) and the frame base (300) are provided. The top surface of the platform (100) is rotatably mounted with a servo motor (110) fixed to the bottom surface of the rail base (200). The bottom surface of the platform (100) is provided with a turntable (120) for driving the servo motor (110) to rotate. The surface of the rail base (200) is provided with a first lead screw assembly (210) and a second lead screw assembly (220) arranged perpendicularly to each other. The output end of the first lead screw assembly (210) is connected to two horizontal guide rods (240) that are slidably arranged on the surface of the first lead screw assembly (210). The output end of the second lead screw assembly (220) is connected to a push plate (221), and a slide table (230) is fixedly connected to the surface of the push plate (221). The frame base (300) is slidably installed on the top surface of the horizontal guide rods (240), and a slider sleeved on the surface of the frame base (300) is fixedly installed on the surface of the slide table (230). The slide table (230) is arranged in a parallel direction to the rail base (200). A connecting frame (301) and two clamping cylinders (310) arranged perpendicularly to each other are fixedly installed on the surface edge of the frame base (300). A push clamping cylinder (320) is fixedly installed on the top surface of the frame base (300).

2. The positioning device for door frame processing according to claim 1, characterized in that, The number of the frame bases (300) is two sets, and the two frame bases (300) are arranged in opposite directions and symmetrically distributed about the center line of the first screw group (210). The top surfaces of the two frame bases (300) are connected to the frame (301) in opposite directions.

3. The positioning device for door frame processing according to claim 1, characterized in that, The clamping cylinder (310) is located on both sides of the assembly frame (301), and the output end of the clamping cylinder (310) is connected to a pressure head that is rotatably installed on the surface of the assembly frame (301). The pressure head is driven by the clamping cylinder (310) to deflect the lever and press down the door frame strip for positioning.

4. A positioning device for door frame processing according to claim 1, characterized in that, The output end of the push-clamp cylinder (320) is connected to a push head, which is in the shape of an isosceles trapezoid. The two sides of the push head are arranged parallel to the inner side of the assembly frame (301), which is in the shape of a right-angled L-shaped strip.

5. A positioning device for door frame processing according to claim 1, characterized in that, The first lead screw assembly (210) and the second lead screw assembly (220) both include a motor and a lead screw fixed to the output end of the motor. The first lead screw assembly (210) is used to drive the two frame seats (300) to slide towards each other on the surface of the first lead screw assembly (210). The second lead screw assembly (220) is used to drive the push plate (221) and the slide table (230) to move in a direction perpendicular to the surface of the first lead screw assembly (210), thereby realizing the sliding of the frame seat (300) on the surface of the horizontal guide rod (240).

6. A positioning device for door frame processing according to claim 1, characterized in that, The servo motor (110) is equipped with an electrode slip ring at its bottom end for electrode connection of the first lead screw assembly (210), the second lead screw assembly (220), the clamping cylinder (310), and the pushing cylinder (320).

7. A positioning device for door frame processing according to claim 1, characterized in that, The push-clamp cylinder (320) is arranged at an angle, and the center line of the push-clamp cylinder (320) coincides with the angle bisector of the assembly frame (301).

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