Flexible clamping mechanism

Abstract

The utility model discloses a flexible clamping mechanism, and belongs to the technical field of clamping mechanisms. A flexible clamping mechanism comprises a rack and a bottom plate, and further comprises a die holder fixedly connected to the top of the rack, a first positioning block and a second positioning block are fixedly connected to the top of the die holder, and the arrangement direction of the first positioning block is perpendicular to the arrangement direction of the second positioning block; by starting the air cylinder A and the air cylinder B, the mobile phone middle frame can be further flexibly clamped, the mobile phone middle frame abuts against the first positioning block and the second positioning block, the mobile phone middle frame can be positioned, and therefore the position of the mobile phone middle frame is correctly placed; according to the mobile phone middle frame clamping device, the mobile phone middle frame adsorbed on the die holder can be further clamped and positioned, the stable clamping effect can be provided for the mobile phone middle frame through whole-course uninterrupted matched clamping, and therefore the follow-up machining quality of the mobile phone middle frame can be improved.

Description

Technical Field

[0001] This utility model relates to the field of clamping mechanism technology, and in particular to a flexible clamping mechanism. Background Technology

[0002] Clamping mechanisms are devices widely used in manufacturing, automated production lines, robotics, and other fields to fix, move, or position workpieces. Depending on the application scenario and requirements, the design of clamping mechanisms can be very diverse. These clamping mechanisms are usually used in applications that require high adaptability and precise control, such as electronic component assembly, fragile item handling, and food processing.

[0003] Currently, in the process of processing the mobile phone mid-frame, it is usually necessary to use a clamping mechanism to clamp and position the mobile phone mid-frame. After the mobile phone mid-frame is correctly positioned, a robotic arm is used to clamp the positioned mobile phone mid-frame and transfer it to the next process for processing.

[0004] However, in actual use, the existing clamping mechanism cannot provide a stable clamping effect on the phone frame, which may result in inaccurate positioning of the phone frame. This causes the position of the robot arm to be different each time it grips the frame, thus affecting the subsequent processing quality of the phone frame. Utility Model Content

[0005] The purpose of this invention is to solve the problem that in the prior art, the clamping mechanism cannot provide a stable clamping effect on the mobile phone frame, thus affecting the subsequent processing quality of the mobile phone frame, and proposes a flexible clamping mechanism.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A flexible clamping mechanism includes a frame and a base plate, and further includes: a mold base fixedly connected to the top of the frame, wherein a first positioning block and a second positioning block are fixedly connected to the top of the mold base, the arrangement direction of the first positioning block is perpendicular to the arrangement direction of the second positioning block, the frame is provided with a first positioning part, the first positioning part is used to make the mobile phone frame abut against the sides of the first positioning block and the second positioning block and to be adsorbed on the mold base; a connecting seat fixedly mounted on a robotic arm and slidably mounted longitudinally on the base plate, wherein the base plate is provided with a second positioning part, the second positioning part is used to move the mobile phone frame.

[0008] To position the mid-frame of the mobile phone, preferably, the first positioning part includes: a support plate, fixedly connected to the frame, wherein a clamping plate A is slidably connected to the support plate, and the support plate is provided with a first driving member for driving the clamping plate A to perform telescopic movement; a vertical plate, fixedly connected to the frame, wherein a clamping plate B is slidably connected to the frame, and the vertical plate is provided with a second driving member for driving the clamping plate B to perform telescopic movement; and an adsorption part is provided on the mold base.

[0009] In order to drive the clamping plate A to flexibly clamp the mobile phone frame, the first driving component further includes a cylinder A fixedly mounted on a support plate, a spring A fixedly mounted on the support plate, wherein the end of the spring A away from the support plate is fixedly connected to the clamping plate A, and the clamping plate A is fixedly connected to the output end of the cylinder A.

[0010] In order to drive the clamping plate B to flexibly clamp the mobile phone frame, the second driving component further includes a cylinder B fixedly installed on the mold base, and a spring B fixedly installed on the vertical plate, wherein the end of the spring B away from the vertical plate is fixedly connected to the clamping plate B, and the clamping plate B is fixedly connected to the output end of the cylinder B.

[0011] To improve the positioning effect of the mobile phone frame, the adsorption part further includes a connector fixedly installed on the mold base. The mold base has multiple sets of air holes, the connector is connected to the air holes, and the mold base is provided with a negative pressure component for generating negative pressure in the air holes.

[0012] To generate negative pressure within the vent, the negative pressure component further includes a negative pressure fan fixedly mounted on the mold base, with the suction end of the negative pressure fan connected to the outlet end of the connector via a negative pressure pipe.

[0013] To improve the movement stability of clamp A, a slide block is fixedly connected to the support plate, and a slide rail is fixedly connected to the bottom of clamp A, with the slide rail slidably connected to the slide block.

[0014] To prevent the mobile phone frame from shifting during gripping and transfer, preferably, the second positioning part includes a positioning membrane frame fixedly connected to the base plate, and a pneumatic gripper is fixedly installed on the base plate, with the gripper of the pneumatic gripper slidably connected to the positioning membrane frame.

[0015] To ensure that the positioning film frame is precisely engaged with the mobile phone frame, a guide rod is fixedly connected to the bottom of the positioning film frame, and a guide hole is provided at the top of the mold base. When the mobile phone frame is clamped and transferred, the guide rod is inserted into the guide hole.

[0016] To facilitate monitoring of the clamping force of the phone's mid-frame, a pressure sensor is further fixedly installed on the top of the base plate, and a pressure block is fixedly connected to the pressure sensing element of the pressure sensor. The bottom of the connecting seat and the top of the pressure block are fixedly installed with the pressure block, and the pressure sensor is electrically connected to the pneumatic gripper.

[0017] Compared with the prior art, the present invention provides a flexible clamping mechanism, which has the following advantages:

[0018] 1. This flexible clamping mechanism, by activating cylinders A and B, can further flexibly clamp the phone frame, preventing the phone frame from being damaged. It makes the phone frame press against the first positioning block and the second positioning block. Through the cooperation of the first positioning block and the second positioning block, the phone frame can be positioned, thereby placing the phone frame in the correct position for subsequent precise transfer of the phone frame.

[0019] 2. This flexible clamping mechanism, by activating the negative pressure fan, can generate continuous negative pressure in the air holes, thereby adsorbing the phone frame onto the mold base. This improves the positioning effect of the phone frame, prevents displacement of the phone frame, and ensures the stability of the phone frame after positioning.

[0020] 3. This flexible clamping mechanism, through the cooperation of the positioning membrane frame and the pneumatic gripper, can further clamp and position the mobile phone frame adsorbed on the mold base. Through continuous clamping throughout the process, it can provide a stable clamping effect for the mobile phone frame, prevent positional differences of the mobile phone frame during clamping and transfer, and thus help improve the subsequent processing quality of the mobile phone frame.

[0021] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model solves the problem in the prior art that the clamping mechanism cannot provide a stable clamping effect on the mobile phone frame, thereby affecting the subsequent processing quality of the mobile phone frame. Attached Figure Description

[0022] Figure 1 This is an isometric structural diagram of a flexible clamping mechanism proposed in this utility model;

[0023] Figure 2 A partial isometric view of the flexible clamping mechanism proposed in this utility model. Figure 1 ;

[0024] Figure 3 A partial isometric view of the flexible clamping mechanism proposed in this utility model. Figure 2 ;

[0025] Figure 4 This is a schematic diagram of the clamping plate A51 structure of a flexible clamping mechanism proposed in this utility model;

[0026] Figure 5 This is a schematic diagram of the structure of the mold base 3 of the flexible clamping mechanism proposed in this utility model;

[0027] Figure 6 This is a schematic diagram of the positioning membrane frame 9 of a flexible clamping mechanism proposed in this utility model;

[0028] Figure 7 This is a schematic diagram of the connecting seat 8 of a flexible clamping mechanism proposed in this utility model.

[0029] In the diagram: 1. Frame; 2. Base plate; 3. Mold base; 4. First positioning block; 41. Second positioning block; 5. Support plate; 51. Clamping plate A; 52. Cylinder A; 53. Spring A; 54. Slide seat; 55. Slide rail; 6. Vertical plate; 61. Clamping plate B; 62. Cylinder B; 63. Spring B; 7. Air hole; 71. Connector; 72. Negative pressure fan; 73. Negative pressure pipe; 8. Connecting seat; 9. Positioning membrane frame; 91. Pneumatic gripper; 10. Guide rod; 11. Guide hole; 12. Pressure sensor; 13. Pressure block; 14. Spring C. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0031] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0032] Example:

[0033] Reference Figures 1-7This utility model embodiment provides a flexible clamping mechanism, including a frame 1 and a base plate 2, and further including: a mold base 3 for placing a mobile phone frame, fixedly connected to the top of the frame 1, wherein a first positioning block 4 and a second positioning block 41 are fixedly connected to the top of the mold base 3, the arrangement direction of the first positioning block 4 is perpendicular to the arrangement direction of the second positioning block 41, and the vertical included angle between the first positioning block 4 and the second positioning block 41 is 90°, a first positioning part is provided on the frame 1, the first positioning part is used to make the mobile phone frame abut against the sides of the first positioning block 4 and the second positioning block 41 and to be adsorbed on the mold base 3; a connecting seat 8 fixedly installed on a robotic arm, slidably mounted longitudinally on the base plate 2, wherein a second positioning part is provided on the base plate 2, the second positioning part is used to move the mobile phone frame.

[0034] Specifically, during use, the first positioning part can further flexibly clamp the phone frame, pressing it against the first positioning block 4 and the second positioning block 41. This allows for positioning of the phone frame and also allows it to be adsorbed onto the mold base 3, improving the positioning effect and ensuring the correct placement of the phone frame for precise subsequent transfer. The second positioning part further clamps and positions the phone frame adsorbed onto the mold base 3. Through continuous clamping throughout the process, a stable clamping effect is provided for the phone frame, preventing positional differences during clamping and transfer, thus helping to improve the subsequent processing quality of the phone frame.

[0035] The first positioning part of the flexible clamping mechanism includes: a support plate 5, which is fixedly connected to the frame 1, wherein a clamping plate A51 is slidably connected to the support plate 5, and a first driving member is provided on the support plate 5 for driving the clamping plate A51 to perform telescopic movement; a vertical plate 6, which is fixedly connected to the frame 1, wherein a clamping plate B61 is slidably connected to the frame 1, and a second driving member is provided on the vertical plate 6 for driving the clamping plate B61 to perform telescopic movement; and an adsorption part is provided on the mold base 3.

[0036] Specifically, by setting the first driving member and the second driving member, clamping plate A51 and clamping plate B61 can be driven to flexibly clamp the mobile phone frame on the mold base 3, so that the mobile phone frame is pressed against the first positioning block 4 and the second positioning block 41 to achieve positioning of the mobile phone frame, thereby ensuring that the mobile phone frame is correctly positioned. Furthermore, by setting the suction part, the positioned mobile phone frame can be adsorbed onto the mold base 3, further improving the positioning effect of the mobile phone frame.

[0037] The aforementioned first driving component includes a cylinder A52 fixedly mounted on a support plate 5, a spring A53 fixedly mounted on the support plate 5, wherein the end of the spring A53 away from the support plate 5 is fixedly connected to a clamping plate A51, the clamping plate A51 is fixedly connected to the output end of the cylinder A52, a slide block 54 is fixedly connected to the support plate 5, and a slide rail 55 is fixedly connected to the bottom of the clamping plate A51, the slide rail 55 being slidably connected to the slide block 54.

[0038] Specifically, by activating cylinder A52, the output end of cylinder A52 drives clamping plate A51 to move in the direction of the phone frame. At the same time, spring A53 is stretched. The reverse elastic force of spring A53 can weaken the clamping force of clamping plate A51, so that clamping plate A51 can flexibly clamp the phone frame and prevent the phone frame from being damaged. Furthermore, the cooperation of slide rail 55 and slide block 54 can improve the stability of clamping plate A51 during movement.

[0039] The aforementioned second driving component includes a cylinder B62 fixedly mounted on the mold base 3, and a spring B63 fixedly mounted on the vertical plate 6. The end of the spring B63 away from the vertical plate 6 is fixedly connected to the clamping plate B61, and the clamping plate B61 is fixedly connected to the output end of the cylinder B62.

[0040] Specifically, by activating cylinder B62, the output end of cylinder B62 drives clamping plate B61 to move in the direction of the mobile phone frame. At the same time, spring B63 is stretched. The reverse elastic force of spring B63 can weaken the clamping force of clamping plate B61, so that clamping plate B61 can further flexibly clamp the mobile phone frame, prevent the mobile phone frame from being damaged, and help improve the processing yield of mobile phone frame.

[0041] The aforementioned adsorption unit includes a connector 71 fixedly installed on the mold base 3. The mold base 3 has multiple sets of air holes 7. The connector 71 is connected to the air holes 7. The mold base 3 is provided with a negative pressure component for generating negative pressure in the air holes 7. The negative pressure component includes a negative pressure fan 72 fixedly installed on the mold base 3. The suction end of the negative pressure fan 72 is connected to the outlet end of the connector 71 through a negative pressure pipe 73.

[0042] Specifically, during use, by activating the negative pressure fan 72, outside air is allowed to enter the negative pressure fan 72 through the air hole 7, connector 71 and negative pressure pipe 73 and then discharged. This generates a continuous negative pressure in the air hole 7, thereby adsorbing the mobile phone frame onto the mold base 3 and improving the positioning effect of the mobile phone frame.

[0043] In addition, there are 6 air holes 7, of which 4 air holes 7 are distributed on the top surface of the mold base 3 and the other 2 air holes 7 are arranged on the side surface of the mold base 3. The air holes 7 on the top surface of the mold base 3 are used to adsorb and collect the middle frame, while the air holes 7 on the side surface of the mold base 3 are used for air intake.

[0044] The second positioning part includes a positioning membrane frame 9 fixedly connected to the base plate 2. A pneumatic gripper 91 is fixedly installed on the base plate 2. The gripper of the pneumatic gripper 91 is slidably connected to the positioning membrane frame 9. A guide rod 10 is fixedly connected to the bottom of the positioning membrane frame 9. A guide hole 11 is opened on the top of the mold base 3. When the mobile phone frame is clamped and transferred, the guide rod 10 is inserted into the guide hole 11.

[0045] Specifically, during use, the connecting seat 8 and the base plate 2 are moved towards the middle frame of the phone by the mechanical arm, which in turn moves the positioning film frame 9, so that the positioning film frame 9 is engaged with the middle frame of the phone to achieve positioning of the middle frame of the phone. Then, by activating the pneumatic gripper 91, the middle frame of the phone can be gripped, which can provide a stable gripping effect for the middle frame of the phone and prevent the middle frame of the phone from shifting during gripping and transfer. Furthermore, the positioning film frame 9 can be guided by the guide rod 10 and the guide hole 11, so that the positioning film frame 9 is precisely engaged with the middle frame of the phone.

[0046] A pressure sensor 12 is fixedly installed on the top of the base plate 2. A pressure block 13 is fixedly connected to the pressure sensing element of the pressure sensor 12. The bottom of the connecting seat 8 and the top of the pressure block 13 are fixedly installed with the pressure block 13. The pressure sensor 12 is electrically connected to the pneumatic gripper 91.

[0047] Specifically, by setting up the spring C14, the pressure block 13 and the pressure sensor 12, it is possible to easily detect the clamping force of the pneumatic gripper 91 on the mobile phone frame, so that the worker can set the clamping force of the pneumatic gripper 91.

[0048] During use, the flexible clamping mechanism first places the mobile phone frame on the mold base 3, then starts the cylinder A52. The output end of the cylinder A52 drives the clamping plate A51 to move in the direction of the mobile phone frame. At the same time, the spring A53 is stretched. The reverse elastic force of the spring A53 can weaken the clamping force of the clamping plate A51, so that the clamping plate A51 can flexibly clamp the mobile phone frame to prevent the mobile phone frame from being damaged. Thus, the mobile phone frame is pressed against the first positioning block 4.

[0049] By activating cylinder B62, the output end of cylinder B62 drives clamping plate B61 to move in the direction of the phone frame. At the same time, spring B63 is stretched. The reverse elastic force of spring B63 can weaken the clamping force of clamping plate B61, so that clamping plate B61 can further flexibly clamp the phone frame, preventing the phone frame from being damaged. The phone frame is pressed against the second positioning block 41. Through the setting of the first positioning block 4 and the second positioning block 41, the phone frame can be positioned, so that the position of the phone frame is correct, so that the phone frame can be accurately transferred later.

[0050] Next, by activating the negative pressure fan 72, a continuous negative pressure is generated inside the air hole 7, which in turn adsorbs the phone frame onto the mold base 3, improving the positioning effect of the phone frame, preventing displacement of the phone frame, and ensuring the stability of the phone frame after positioning. At the same time, during the adsorption process, cylinders A52 and B62 can be activated to drive clamping plates A51 and B61 away from the phone frame, thereby releasing the clamping of the phone frame.

[0051] Furthermore, the robotic arm drives the connecting seat 8 and the base plate 2 to move towards the mobile phone frame that is adsorbed on the mold base 3, while simultaneously moving the positioning film frame 9 to precisely engage with the mobile phone frame, thereby achieving the transfer and positioning of the mobile phone frame. Then, the negative pressure fan 72 can be turned off to release the adsorption of the mobile phone frame. Then, by activating the pneumatic gripper 91, the mobile phone frame can be further gripped and positioned. Through continuous and uninterrupted gripping throughout the process, a stable gripping effect can be provided for the mobile phone frame, preventing the mobile phone frame from shifting during gripping and transfer. Finally, the robotic arm transfers the gripped mobile phone frame to the next process for further processing.

[0052] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A flexible clamping mechanism, comprising a frame (1) and a base plate (2), characterized in that, Also includes: The mold base (3) is fixedly connected to the top of the frame (1). The top of the mold base (3) is fixedly connected with a first positioning block (4) and a second positioning block (41). The arrangement direction of the first positioning block (4) is perpendicular to the arrangement direction of the second positioning block (41). The frame (1) is provided with a first positioning part. The first positioning part is used to make the mobile phone frame press against the side of the first positioning block (4) and the second positioning block (41) and adhere to the mold base (3). The connecting seat (8) is fixedly installed on the robotic arm and is longitudinally slidably installed on the base plate (2). The base plate (2) is provided with a second positioning part, which is used to move the mobile phone frame.

2. The flexible clamping mechanism according to claim 1, characterized in that, The first positioning unit includes: The support plate (5) is fixedly connected to the frame (1). The support plate (5) is laterally slidably connected to a clamping plate A (51), and the support plate (5) is provided with a first driving member for driving the clamping plate A (51) to perform telescopic movement: The vertical plate (6) is fixedly connected to the frame (1). The frame (1) is laterally slidably connected with a clamping plate B (61), the vertical plate (6) is provided with a second driving member for driving the clamping plate B (61) to perform telescopic movement, and the mold base (3) is provided with an adsorption part.

3. The flexible clamping mechanism according to claim 2, characterized in that, The first driving component includes a cylinder A (52) fixedly mounted on a support plate (5), and a spring A (53) is fixedly mounted on the support plate (5). The end of the spring A (53) away from the support plate (5) is fixedly connected to the clamping plate A (51), and the clamping plate A (51) is fixedly connected to the output end of the cylinder A (52).

4. The flexible clamping mechanism according to claim 2, characterized in that, The second driving component includes a cylinder B (62) fixedly mounted on the mold base (3), and a spring B (63) fixedly mounted on the vertical plate (6). The end of the spring B (63) away from the vertical plate (6) is fixedly connected to the clamping plate B (61), and the clamping plate B (61) is fixedly connected to the output end of the cylinder B (62).

5. A flexible clamping mechanism according to claim 2, characterized in that, The adsorption unit includes a connector (71) fixedly installed on the mold base (3). The mold base (3) has multiple sets of air holes (7). The connector (71) is connected to the air holes (7). The mold base (3) is provided with a negative pressure component for generating negative pressure in the air holes (7).

6. The flexible clamping mechanism according to claim 5, characterized in that, The negative pressure component includes a negative pressure fan (72) fixedly installed on the mold base (3), and the suction end of the negative pressure fan (72) is connected to the outlet end of the connector (71) through a negative pressure pipe (73).

7. A flexible clamping mechanism according to claim 2, characterized in that, A slide block (54) is fixedly connected to the support plate (5), and a slide rail (55) is fixedly connected to the bottom of the clamping plate A (51). The slide rail (55) is slidably connected to the slide block (54).

8. The flexible clamping mechanism according to claim 1, characterized in that, The second positioning part includes a positioning membrane frame (9) fixedly connected to the base plate (2), and a pneumatic gripper (91) is fixedly installed on the base plate (2). The gripper of the pneumatic gripper (91) is slidably connected to the positioning membrane frame (9).

9. A flexible clamping mechanism according to claim 8, characterized in that, The bottom of the positioning film frame (9) is fixedly connected to a guide rod (10), and the top of the mold base (3) is provided with a guide hole (11). When the mobile phone frame is clamped and transferred, the guide rod (10) is inserted into the guide hole (11).

10. A flexible clamping mechanism according to claim 8, characterized in that, A pressure sensor (12) is fixedly installed on the top of the base plate (2), and a pressure block (13) is fixedly connected to the pressure sensing element of the pressure sensor (12). The bottom of the connecting seat (8) and the top of the pressure block (13) are fixedly installed with the pressure block (13), and the pressure sensor (12) is electrically connected to the pneumatic gripper (91).

Images