High-precision locking mechanism for side screws

Abstract

The utility model provides a side face screw high-precision locking mechanism which comprises two sets of installation supports, a rotating support, a rotating motor, a first positioning assembly, a rotating driving assembly, a rotating bottom plate, a conveying assembly and a clamping assembly, and the left end and the right end of the rotating support are rotatably installed on the two sets of installation supports respectively. The rotating motor is in driving connection with one end of the rotating support, first positioning holes are formed in the left end and the right end of the rotating support, the first positioning column is fixed to the power output end of the first air cylinder and corresponds to the first positioning holes, the rotating driving assembly is fixed to the front side of the middle of the rotating support, and the rotating bottom plate is fixed to the power output end of the rotating driving assembly. The conveying assembly is fixed to the front side of the rotating bottom plate, the clamping assemblies are fixed to the rotating bottom plate and correspond to the front side and the rear side of the conveying assembly, and the screw locking device has the advantages that reduction of the positioning precision caused by carrying can be avoided, and the screw locking efficiency can be improved.

Description

Technical Field

[0001] This utility model relates to the field of screw fastening equipment, and in particular to a high-precision fastening mechanism for side screws. Background Technology

[0002] For many electronic products, screws need to be fastened to their casings. The products are transported on a conveyor belt, and a handling robot picks up the products from the conveyor belt and places them on a flipping platform. The flipping platform flips the products so that the side to be fastened with the screws is facing up, and then the fastening robot fastens the screws. However, the structure of flipping the products with the handling robot and the flipping platform is relatively bulky and the equipment cost is high. Moreover, after the products are transported, their positioning accuracy is easily reduced, which adversely affects the screw fastening accuracy. Therefore, it is necessary to develop a high-precision side screw fastening mechanism to solve the above problems. Utility Model Content

[0003] The purpose of this invention is to provide a high-precision locking mechanism for side screws to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A high-precision side screw fastening mechanism includes a mounting bracket, a rotating bracket, a rotating motor, a first positioning component, a rotating drive component, a rotating base plate, a conveying component, and a clamping component. Two sets of mounting brackets are provided. The left and right ends of the rotating bracket are rotatably mounted on the two sets of mounting brackets, respectively. The rotating motor is driven by one end of the rotating bracket. First positioning holes are provided at both ends of the rotating bracket. The first positioning component includes a first connecting block, a first cylinder, and a first positioning pin. The first connecting block is fixed to the mounting bracket, the first cylinder is fixed to the first connecting block, and the first positioning pin is fixed to the power output end of the first cylinder and corresponds to the first positioning hole. The rotating drive component is fixed to the front middle section of the rotating bracket, the rotating base plate is fixed to the power output end of the rotating drive component, the conveying component is fixed to the front side of the rotating base plate, and the clamping component is fixed to the rotating base plate and corresponds to the front and rear sides of the conveying component.

[0006] Further description of the present invention: The conveying assembly includes an adjusting base, a left mounting frame, a right mounting frame, a left conveyor belt, and a right conveyor belt. The adjusting base is fixed to the front side of the rotating base plate. The left mounting frame and the right mounting frame are respectively fixed to the left and right sides of the adjusting base and are both adjustable in the left and right direction. The left conveyor belt and the right conveyor belt are respectively mounted on the left mounting frame and the right mounting frame.

[0007] Further description of the present invention: The clamping assembly includes a first lifting cylinder, a lifting baffle, a connecting bracket, a second lifting cylinder, and a lifting pressure plate. The first lifting cylinder is fixed to the front side of the rotating base plate, and the lifting baffle is fixed to the power output end of the first lifting cylinder and corresponds to the rear side of the left conveyor belt. Two sets of the first lifting cylinder and the lifting baffle are provided and respectively correspond to the upper and lower sides of the rotating base plate. The left and right ends of the connecting bracket are respectively fixed to the left mounting bracket and the right mounting bracket. The second lifting cylinder is fixed to the connecting bracket, and the lifting pressure plate is fixed to the power output end of the second lifting cylinder and corresponds to the front side of the left conveyor belt.

[0008] Further description of the present invention: It also includes a second positioning component. The rotating base plate is provided with four sets of second positioning holes. The four sets of second positioning holes are evenly distributed around the rotating drive component. The second positioning component includes a second connecting block, a second cylinder, and a second positioning post. The second connecting block is fixed on the front side of the rotating bracket. The second cylinder is fixed on the second connecting block. The second positioning post is fixed on the power output end of the second cylinder and corresponds to the second positioning hole. The second positioning component is provided in two sets and corresponds to the left and right sides of the rotating drive component, respectively.

[0009] The beneficial effects of this invention are as follows: Before screw fastening, the rotary motor drives the rotary support to a horizontal position, and the workpiece is conveyed from the previous process to the conveying assembly. The workpiece is clamped by the clamping assembly. Then, the rotary motor drives the rotary support to a vertical position. At this time, the first positioning hole corresponds to the first positioning pin. The first cylinder drives the first positioning pin to insert into the first positioning hole, so that the rotary support completes precise positioning. Finally, the rotary drive assembly drives the rotary base plate to rotate, so that each side of the workpiece faces upward in sequence, thereby facilitating the screw fastening robot to fasten the screw on the workpiece. The advantages of this design are: the workpiece is directly clamped and fixed on the conveying assembly by the clamping assembly, which can avoid the decrease in positioning accuracy caused by handling. Moreover, when the rotary support is in a vertical state, it is precisely positioned by the first positioning assembly, and the rotary drive assembly drives the workpiece to rotate, improving the efficiency of screw fastening. Attached Figure Description

[0010] Figure 1 This is an overall structural diagram of the present invention (view 1);

[0011] Figure 2 yes Figure 1 A magnified view of a portion of position A in the middle;

[0012] Figure 3 This is an overall structural diagram of the present invention (perspective two);

[0013] Figure 4 yes Figure 3 A magnified view of a portion of position B in the middle;

[0014] Explanation of reference numerals in the attached figures:

[0015] 1. Mounting bracket; 2. Rotating bracket; 21. First positioning hole; 3. Rotary motor; 4. First positioning assembly; 41. First connecting block; 42. First cylinder; 43. First positioning column; 5. Rotary drive assembly; 6. Rotating base plate; 61. Second positioning hole; 7. Conveying assembly; 71. Adjusting base; 72. Left mounting bracket; 73. Right mounting bracket; 74. Left conveyor belt; 75. Right conveyor belt; 8. Clamping assembly;

[0016] 81. First lifting cylinder; 82. Lifting baffle; 83. Connecting bracket; 84. Second lifting cylinder;

[0017] 85. Lifting pressure plate; 9. Second positioning component; 91. Second connecting block; 92. Second cylinder; 93. Second positioning column. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings:

[0019] like Figures 1 to 4 As shown, a high-precision side screw fastening mechanism includes a mounting bracket 1, a rotating bracket 2, a rotating motor 3, a first positioning component 4, a rotating drive component 5, a rotating base plate 6, a conveying component 7, and a clamping component 8. Two sets of mounting brackets 1 are provided. The left and right ends of the rotating bracket 2 are rotatably mounted on the two sets of mounting brackets 1, respectively. The rotating motor 3 is driven by one end of the rotating bracket 2. First positioning holes 21 are provided at both ends of the rotating bracket 2. The first positioning component 4 includes a first connecting block 41, a first cylinder 42, and a first positioning pin 43. The first connecting block 41 is fixed to the mounting bracket 1, the first cylinder 42 is fixed to the first connecting block 41, and the first positioning pin 43 is fixed to the power output end of the first cylinder 42 and corresponds to the first positioning hole 21. The rotating drive component 5 is fixed to the front side of the middle portion of the rotating bracket 2. The rotating base plate 6 is fixed to the power output end of the rotating drive component 5. The conveying component 7 is fixed to the front side of the rotating base plate 6. The clamping component 8 is fixed to the rotating base plate 6 and corresponds to the front and rear sides of the conveying component 7.

[0020] Before screwing, the rotary motor 3 drives the rotary support 2 to a horizontal position. The workpiece is conveyed from the previous process to the conveying assembly 7 and clamped by the clamping assembly 8. Then, the rotary motor 3 drives the rotary support 2 to a vertical position. At this time, the first positioning hole 21 corresponds to the first positioning post 43. The first cylinder 42 drives the first positioning post 43 to insert into the first positioning hole 21, so that the rotary support 2 is precisely positioned. Finally, the rotary drive assembly 5 drives the rotary base plate 6 to rotate, so that each side of the workpiece faces upward in sequence, which facilitates the screw-fastening robot to fasten the screws on the workpiece. The advantages of this design are: the workpiece is directly clamped and fixed on the conveying assembly 7 by the clamping assembly 8, which can avoid the decrease in positioning accuracy caused by handling. Moreover, when the rotary support 2 is in a vertical state, it is precisely positioned by the first positioning assembly 4, and the rotary drive assembly 5 drives the workpiece to rotate, which improves the efficiency of screw fastening.

[0021] The conveying assembly 7 includes an adjusting base 71, a left mounting bracket 72, a right mounting bracket 73, a left conveyor belt 74, and a right conveyor belt 75. The adjusting base 71 is fixed to the front side of the rotating base plate 6. The left mounting bracket 72 and the right mounting bracket 73 are respectively fixed to the left and right sides of the adjusting base 71 and are both adjustable in the left and right direction. The left conveyor belt 74 and the right conveyor belt 75 are respectively mounted on the left mounting bracket 72 and the right mounting bracket 73.

[0022] The spacing between the left conveyor belt 74 and the right conveyor belt 75 can be adjusted by adjusting the base 71 to accommodate workpieces of different widths.

[0023] The clamping assembly 8 includes a first lifting cylinder 81, a lifting baffle 82, a connecting bracket 83, a second lifting cylinder 84, and a lifting pressure plate 85. The first lifting cylinder 81 is fixed to the front side of the rotating base plate 6. The lifting baffle 82 is fixed to the power output end of the first lifting cylinder 81 and corresponds to the rear side of the left conveyor belt 74. Two sets of the first lifting cylinder 81 and the lifting baffle 82 are provided and correspond to the upper and lower sides of the rotating base plate 6, respectively. The left and right ends of the connecting bracket 83 are fixed to the left mounting bracket 72 and the right mounting bracket 73, respectively. The second lifting cylinder 84 is fixed to the connecting bracket 83. The lifting pressure plate 85 is fixed to the power output end of the second lifting cylinder 84 and corresponds to the front side of the left conveyor belt 74.

[0024] When the workpiece is conveyed onto the conveyor assembly 7, the conveyor belt is in a horizontal conveying state. Two sets of lifting baffles 82 are located at the front and rear ends of the workpiece. The first lifting cylinder 81 drives the lifting baffles 82 to rise, so that the workpiece is removed from the conveyor belt. Then, the second lifting cylinder 84 drives the lifting pressure plate 85 to descend and cooperate with the lifting baffles 82 to clamp the workpiece so that it can be flipped into a vertical state and the screws can be locked.

[0025] This design also includes a second positioning component 9. The rotating base plate 6 is provided with four sets of second positioning holes 61. The four sets of second positioning holes 61 are evenly distributed around the rotating drive component 5. The second positioning component 9 includes a second connecting block 91, a second cylinder 92, and a second positioning post 93. The second connecting block 91 is fixed to the front side of the rotating bracket 2. The second cylinder 92 is fixed on the second connecting block 91. The second positioning post 93 is fixed to the power output end of the second cylinder 92 and corresponds to the second positioning hole 61. The second positioning component 9 is provided in two sets and corresponds to the left and right sides of the rotating drive component 5, respectively.

[0026] When the rotating bracket 2 is in a vertical position, the rotating drive assembly 5 drives the rotating base plate 6 to rotate, so that each side of the workpiece faces upward in sequence. Whenever a side faces upward, the second cylinder 92 drives the second positioning pin 93 to insert into the second positioning hole 61, thereby fixing the workpiece and preventing the workpiece from shifting position during the screw tightening process.

[0027] The above does not limit the technical scope of this utility model. Any modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of this utility model shall still fall within the scope of the technical solution of this utility model.

Claims

1. A high-precision locking mechanism for side screws, characterized in that: The device includes a mounting bracket, a rotating bracket, a rotating motor, a first positioning component, a rotating drive component, a rotating base plate, a conveying component, and a clamping component. Two sets of mounting brackets are provided. The left and right ends of the rotating bracket are rotatably mounted on the two sets of mounting brackets, respectively. The rotating motor is driven by one end of the rotating bracket. First positioning holes are provided at both ends of the rotating bracket. The first positioning component includes a first connecting block, a first cylinder, and a first positioning pin. The first connecting block is fixed to the mounting bracket, the first cylinder is fixed to the first connecting block, and the first positioning pin is fixed to the power output end of the first cylinder and corresponds to the first positioning hole. The rotating drive component is fixed to the front middle section of the rotating bracket. The rotating base plate is fixed to the power output end of the rotating drive component. The conveying component is fixed to the front side of the rotating base plate, and the clamping component is fixed to the rotating base plate and corresponds to the front and rear sides of the conveying component.

2. The high-precision locking mechanism for side screws according to claim 1, characterized in that: The conveying assembly includes an adjusting base, a left mounting bracket, a right mounting bracket, a left conveyor belt, and a right conveyor belt. The adjusting base is fixed to the front side of the rotating base plate. The left mounting bracket and the right mounting bracket are respectively fixed to the left and right sides of the adjusting base and are both adjustable in the left and right direction. The left conveyor belt and the right conveyor belt are respectively mounted on the left mounting bracket and the right mounting bracket.

3. The high-precision locking mechanism for side screws according to claim 2, characterized in that: The clamping assembly includes a first lifting cylinder, a lifting baffle, a connecting bracket, a second lifting cylinder, and a lifting pressure plate. The first lifting cylinder is fixed to the front side of the rotating base plate. The lifting baffle is fixed to the power output end of the first lifting cylinder and corresponds to the rear side of the left conveyor belt. Two sets of the first lifting cylinder and the lifting baffle are provided and respectively correspond to the upper and lower sides of the rotating base plate. The left and right ends of the connecting bracket are respectively fixed to the left mounting bracket and the right mounting bracket. The second lifting cylinder is fixed to the connecting bracket. The lifting pressure plate is fixed to the power output end of the second lifting cylinder and corresponds to the front side of the left conveyor belt.

4. The high-precision locking mechanism for side screws according to claim 1, characterized in that: It also includes a second positioning component. The rotating base plate is provided with four sets of second positioning holes. The four sets of second positioning holes are evenly distributed around the rotating drive component. The second positioning component includes a second connecting block, a second cylinder, and a second positioning post. The second connecting block is fixed to the front side of the rotating bracket. The second cylinder is fixed on the second connecting block. The second positioning post is fixed to the power output end of the second cylinder and corresponds to the second positioning hole. The second positioning component is provided in two sets and corresponds to the left and right sides of the rotating drive component, respectively.

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