Miniature screw locking mechanism

Abstract

The utility model relates to a miniature screw locking mechanism which comprises a three-axis platform, a product rotating unit, a product positioning unit and a screw locking unit, an X-axis driving assembly, a Y-axis driving assembly and a Z-axis driving assembly are arranged on the three-axis platform, the product rotating unit is installed on the Y-axis driving assembly, and the product positioning unit is installed on the Z-axis driving assembly. The X-axis driving assembly is installed on the product rotating unit, the product positioning unit is installed on the product rotating unit and used for fixing a product, the Z-axis driving assembly is installed on the X-axis driving assembly, the screw locking unit is installed on the Z-axis driving assembly, and the product positioning unit is used for fixing the product. And the screw locking unit is used for locking a screw on the product on the product positioning unit. According to the locking mechanism, the inclination angle of the product can be accurately adjusted through the product rotating unit, so that the operation of obliquely locking the screw is completed, the automation degree is high, and the production yield and the production efficiency of the product are improved.

Description

Technical Field

[0001] The present application relates to mechanical processing technology, and in particular to a micro screw locking mechanism. Background Art

[0002] The automatic micro screw locking device takes the micro screws out of the screw feeder and locks them to the required position of the product. The traditional screw locking mechanism generally requires manual placement of screws and alignment of screw heads, which has the disadvantages of low automation and poor manual locking accuracy, thus affecting the quality of the product. Utility Model Content

[0003] In order to overcome the above-mentioned defects, the present application provides a micro screw locking mechanism, which can accurately adjust the inclination angle of the product through a product rotation unit to complete the operation of oblique screw locking. It has a high degree of automation and improves the product production yield and production efficiency.

[0004] The technical solution adopted by this application to solve its technical problems is:

[0005] A micro screw locking mechanism comprises a three-axis platform, a product rotation unit, a product positioning unit and a screw locking unit, wherein the three-axis platform is provided with an X-axis drive assembly, a Y-axis drive assembly and a Z-axis drive assembly, the product rotation unit is mounted on the Y-axis drive assembly, and the Y-axis drive assembly can drive the product rotation unit to move along the Y-axis direction, the product positioning unit is mounted on the product rotation unit, and the product rotation unit can drive the product positioning unit to rotate, the product positioning unit is used to fix the product, the Z-axis drive assembly is mounted on the X-axis drive assembly, and the X-axis drive assembly can drive the Z-axis drive assembly to move along the X-axis direction, the screw locking unit is mounted on the Z-axis drive assembly, the Z-axis drive assembly can drive the screw locking unit to move along the Z-axis direction, and the screw locking unit is used to lock the screw on the product on the product positioning unit.

[0006] Optionally, the product rotation unit includes a bracket, a servo rotary motor and a rotating table, the product positioning unit is installed on the rotating table, the bracket is installed on the Y-axis drive assembly, the servo rotary motor is installed on the bracket, the rotating table is connected to the servo rotary motor, and the servo rotary motor can drive the rotating table to rotate.

[0007] Optionally, the rotating table is rotatably connected to the servo rotating motor via a turntable, the servo rotating motor can drive the turntable to rotate, and the rotating table is fixedly mounted on the turntable.

[0008] Optionally, a support plate is fixed on the bracket, the first end of the rotating table is fixedly connected to the turntable via a fixing plate, the second end of the rotating table is connected to the support plate via a clamping plate, and the clamping plate is rotatably mounted on the support plate via a bearing.

[0009] Optionally, a first guide rail is fixedly provided on the rotating platform, and the product positioning unit is slidably mounted on the rotating platform via the first guide rail.

[0010] Optionally, the product positioning unit includes a support table, a positioning module and a pressure plate, the support table is slidably mounted on the first guide rail, the positioning module can be slidably mounted on the support table, the pressure plate can be rotatably mounted on the support table, the positioning module is used to place the product, and the pressure plate is used to press the product.

[0011] Optionally, a second guide rail and a lug plate are fixedly provided on the support platform, the positioning module is slidably mounted on the support platform via the second guide rail, the pressure plate is rotatably mounted on the lug plate, and a spring is connected to the pressure plate.

[0012] Optionally, the screw locking unit includes an electric screwdriver, a pressure sensor, a vision module, an electric screwdriver head and a fixing frame, the fixing frame is mounted on the Z-axis drive assembly, the electric screwdriver and the vision module are mounted on the fixing frame, the pressure sensor is connected to the electric screwdriver, and the electric screwdriver head is mounted on the electric screwdriver.

[0013] The beneficial effects of the present application are as follows: in the present application, after the product to be screwed is accurately positioned by the product positioning unit, the Y-axis drive assembly is used to automatically send the product to the screwing position, and then the product rotation unit is used to rotate the product to a specific angle, and then the X-axis drive assembly and the Z-axis drive assembly are used to transport the screw locking unit to the screw locking position, and finally the screw locking unit automatically completes the screw locking process of the product. Therefore, the present application can accurately adjust the inclination angle of the product through the product rotation unit to complete the oblique screw locking operation, with a high degree of automation and improved product production yield and production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the micro screw locking mechanism in this application;

[0015] Figure 2 It is a structural schematic diagram of the product rotation unit and the product positioning unit in this application;

[0016] Figure 3 It is a structural schematic diagram of the screw locking unit in this application;

[0017] In the figure: 10-three-axis platform, 11-X-axis drive assembly, 12-Y-axis drive assembly, 13-Z-axis drive assembly, 20-product rotation unit, 21-bracket, 22-servo rotation motor, 23-turntable, 24-rotating table, 25-fixed plate, 26-support plate, 27-clamping plate, 28-bearing, 29-first guide rail, 30-product positioning unit, 31-support table, 32-positioning module, 33-second guide rail, 34-pressing plate, 35-lug plate, 40-screw locking unit, 41-electric screwdriver, 42-pressure sensor, 43-vision module, 44-electric screwdriver head, 45-fixed frame. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the embodiments described in the present application are only a part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0019] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the following drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the objects used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0020] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0021] Example: Figure 1-3 As shown, a micro screw locking mechanism comprises a three-axis platform 10, a product rotation unit 20, a product positioning unit 30 and a screw locking unit 40, wherein the three-axis platform 10 is provided with an X-axis driving assembly 11, a Y-axis driving assembly 12 and a Z-axis driving assembly 13, the product rotation unit 20 is mounted on the Y-axis driving assembly 12, and the Y-axis driving assembly 12 can drive the product rotation unit 20 to run along the Y-axis direction, the product positioning unit 30 is mounted on the product rotation unit 20, and the product rotation unit 20 can drive The product positioning unit 30 is driven to rotate, the product positioning unit 30 is used to fix the product, the Z-axis driving component 13 is installed on the X-axis driving component 11, and the X-axis driving component 11 can drive the Z-axis driving component 13 to run along the X-axis direction, the screw locking unit 40 is installed on the Z-axis driving component 13, the Z-axis driving component 13 can drive the screw locking unit 40 to run along the Z-axis direction, and the screw locking unit 40 is used to lock the screw on the product on the product positioning unit 30. Figure 1 The directions of the X-axis, Y-axis and Z-axis are shown in the figure. In the present application, the product positioning unit 30 is used to accurately position the product to be screwed, and then the Y-axis driving assembly 12 is used to automatically send the product to the screwing position, and then the product rotation unit 20 is used to rotate the product to a specific angle, and then the X-axis driving assembly 11 and the Z-axis driving assembly 13 are used to transport the screw locking unit 40 to the screw locking position, and finally the screw locking unit 40 automatically completes the screw locking process of the product. Therefore, the present application can accurately adjust the inclination angle of the product through the product rotation unit to complete the oblique screw locking operation, with a high degree of automation, and improves the production yield and production efficiency of the product.

[0022] like Figure 2 As shown, the product rotation unit 20 includes a bracket 21, a servo rotary motor 22 and a rotary table 24, the product positioning unit 30 is mounted on the rotary table 24, the bracket 21 is mounted on the Y-axis driving assembly 12, the servo rotary motor 22 is mounted on the bracket 21, the rotary table 24 is connected to the servo rotary motor 22, and the servo rotary motor 22 can drive the rotary table 24 to rotate. The servo rotary motor 22 drives the rotary table 24 to rotate, and the rotary table 24 drives the product positioning unit 30 to rotate, thereby completing the adjustment of the inclination angle of the product on the product positioning unit 30.

[0023] like Figure 2As shown, the rotating platform 24 is rotatably connected to the servo rotating motor 22 through the rotating disk 23, and the servo rotating motor 22 can drive the rotating disk 23 to rotate, and the rotating platform 24 is fixedly installed on the rotating disk 23. The servo rotating motor 22 drives the rotating disk 23 to rotate, and the rotating disk 23 drives the rotating platform 24 to rotate synchronously.

[0024] A support plate 26 is fixedly provided on the bracket 21, a first end of the rotating table 24 is fixedly connected to the turntable 23 via a fixed plate 25, a second end of the rotating table 24 is connected to the support plate 26 via a clamping plate 27, and the clamping plate 27 is rotatably mounted on the support plate 26 via a bearing 28. A first guide rail 29 is fixedly provided on the rotating table 24, and the product positioning unit 30 is slidably mounted on the rotating table 24 via the first guide rail 29. Optionally, the product positioning unit 30 is connected to a driving cylinder, and the driving cylinder drives the product positioning unit 30 to run along the Y-axis direction to accurately locate the position of the product.

[0025] like Figure 2 As shown, the product positioning unit 30 includes a support table 31, a positioning module 32 and a pressure plate 34. The support table 31 is slidably installed on the first guide rail 29, the positioning module 32 is slidably installed on the support table 31, and the pressure plate 34 is rotatably installed on the support table 31. The positioning module 32 is used to place the product, and the pressure plate 34 is used to press the product.

[0026] The support platform 31 is fixedly provided with a second guide rail 33 and a lug plate 35, the positioning module 32 is slidably mounted on the support platform 31 via the second guide rail 33, the pressing plate 34 is rotatably mounted on the lug plate 35, and a spring is connected to the pressing plate 34. After placing the product in the cavity of the positioning module 32, the pressing plate 34 is used to press the product. When the product needs to be taken out, the pressing plate 34 is manually rotated to overcome the elastic force of the spring. Optionally, the positioning module 32 is connected to a driving cylinder, and the driving cylinder drives the positioning module 32 to run along the Y-axis to accurately adjust the position of the product. The product is fixed by relying on the shape of the product and the restoring force of the spring, and the driving cylinder is coordinated to achieve precise positioning of the product without damaging the product.

[0027] like Figure 3As shown, the screw locking unit 40 includes an electric screwdriver 41, a pressure sensor 42, a visual module 43, an electric screwdriver head 44 and a fixing frame 45, the fixing frame 45 is mounted on the Z-axis drive assembly 13, the electric screwdriver 41 and the visual module 43 are mounted on the fixing frame 45, the pressure sensor 42 is connected to the electric screwdriver 41, and the electric screwdriver head 44 is mounted on the electric screwdriver 41. Under the guidance of the visual module 43, the electric screwdriver 41 positions the adsorbed screws and locks the screws. Optionally, two groups of Y-axis drive assemblies 12 arranged in parallel are provided on the three-axis platform 10, and each group of Y-axis drive assemblies 12 is provided with a product rotation unit 20 and a product positioning unit 30. When one group of products is being loaded, another product can complete the screw locking operation, thereby improving the production efficiency of the products.

[0028] The operation process of this application includes the following steps:

[0029] Step 1: Screw feeding: The screws are poured into the screw feeder in bulk, and the screw feeder automatically transports the screws to the discharge port;

[0030] Step 2: Take the screws: The screw locking unit 40, under the action of the X-axis driving assembly 11 and the Z-axis driving assembly 13, accurately takes the screws at the discharge port under the guidance of the visual module and moves to the pre-locking screw position;

[0031] Step 3: Loading the product: placing the product on the positioning module 32, and adjusting the position of the product by driving the pneumatic, then turning over the pressing plate 34 to press the product, and transporting the product to the preset position through the Y-axis driving assembly 12;

[0032] Step 4: Rotate the product: Use the product rotation unit 20 to drive the product positioning unit 30 to rotate, so that the product is rotated to a specific angle;

[0033] Step 5: Under the guidance of the visual module 43, the screw locking unit 40 accurately locks the screws into the screw holes of the product. The visual module 43 locates four screw holes each time and stores the positions to guide the screw locking operation of the screw locking unit 40. Each time the screws are locked, they are monitored by the torque sensor and the pressure sensor 42 to ensure the accuracy of the locking and screw locking.

[0034] It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, and these modifications and improvements are all within the scope of protection of the present application. Therefore, the scope of protection of the patent of the present application shall be subject to the attached claims.

Claims

1. A micro screw locking mechanism, characterized in that: The invention comprises a three-axis platform (10), a product rotation unit (20), a product positioning unit (30) and a screw locking unit (40); the three-axis platform (10) is provided with an X-axis driving component (11), a Y-axis driving component (12) and a Z-axis driving component (13); the product rotation unit (20) is mounted on the Y-axis driving component (12), and the Y-axis driving component (12) can drive the product rotation unit (20) to run along the Y-axis direction; the product positioning unit (30) is mounted on the product rotation unit (20), and the product rotation unit (20) can drive the product The product positioning unit (30) is rotated, the product positioning unit (30) is used to fix the product, the Z-axis driving component (13) is installed on the X-axis driving component (11), and the X-axis driving component (11) can drive the Z-axis driving component (13) to move along the X-axis direction, the screw locking unit (40) is installed on the Z-axis driving component (13), the Z-axis driving component (13) can drive the screw locking unit (40) to move along the Z-axis direction, and the screw locking unit (40) is used to lock the screw on the product on the product positioning unit (30).

2. The micro screw locking mechanism according to claim 1, characterized in that: The product rotating unit (20) comprises a bracket (21), a servo rotating motor (22) and a rotating table (24); the product positioning unit (30) is mounted on the rotating table (24); the bracket (21) is mounted on the Y-axis driving assembly (12); the servo rotating motor (22) is mounted on the bracket (21); the rotating table (24) is connected to the servo rotating motor (22); and the servo rotating motor (22) can drive the rotating table (24) to rotate.

3. The micro screw locking mechanism according to claim 2, characterized in that: The rotating platform (24) is rotatably connected to the servo rotating motor (22) via a rotating disk (23); the servo rotating motor (22) can drive the rotating disk (23) to rotate; and the rotating platform (24) is fixedly mounted on the rotating disk (23).

4. The micro screw locking mechanism according to claim 3, characterized in that: A support plate (26) is fixedly provided on the bracket (21); a first end of the rotating platform (24) is fixedly connected to the turntable (23) via a fixing plate (25); a second end of the rotating platform (24) is connected to the support plate (26) via a clamping plate (27); and the clamping plate (27) is rotatably mounted on the support plate (26) via a bearing (28).

5. The micro screw locking mechanism according to claim 2, characterized in that: A first guide rail (29) is fixedly provided on the rotating platform (24), and the product positioning unit (30) is slidably mounted on the rotating platform (24) via the first guide rail (29).

6. The micro screw locking mechanism according to claim 5, characterized in that: The product positioning unit (30) comprises a support platform (31), a positioning module (32) and a pressing plate (34); the support platform (31) is slidably mounted on the first guide rail (29); the positioning module (32) is slidably mounted on the support platform (31); the pressing plate (34) is rotatably mounted on the support platform (31); the positioning module (32) is used to place the product; and the pressing plate (34) is used to press the product.

7. The micro screw locking mechanism according to claim 6, characterized in that: The support platform (31) is fixedly provided with a second guide rail (33) and a lug plate (35); the positioning module (32) is slidably mounted on the support platform (31) via the second guide rail (33); the pressing plate (34) is rotatably mounted on the lug plate (35); and a spring is connected to the pressing plate (34).

8. The micro screw locking mechanism according to claim 1, characterized in that: The screw locking unit (40) comprises an electric screwdriver (41), a pressure sensor (42), a visual module (43), an electric screwdriver head (44) and a fixing frame (45), wherein the fixing frame (45) is mounted on the Z-axis driving assembly (13), the electric screwdriver (41) and the visual module (43) are mounted on the fixing frame (45), the pressure sensor (42) is connected to the electric screwdriver (41), and the electric screwdriver head (44) is mounted on the electric screwdriver (41).

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