An accurate positioning and mounting device for symmetrical parts with back adhesive

Abstract

The utility model relates to a kind of accurate positioning installation device of symmetrical part with back adhesive, including machine table and driving guide rail, it is characterized by the cooperation of tear back adhesive device, center calibration device, angle calibration device, machine head etc. The design of the device fully considers the shape and installation requirements of the parts, and through the cooperative work of each device, efficient and accurate installation of symmetrical parts with back adhesive is achieved.

Description

Technical Field

[0001] This utility model relates to a precise positioning and installation device for symmetrical parts with adhesive backing. Background Technology

[0002] In today's electronic product manufacturing process, automated mounting equipment is often used to save labor and improve production efficiency. However, for parts with adhesive backing, traditional installation methods often require manual peeling, alignment, and pasting, which is not only inefficient but also prone to errors.

[0003] In existing technologies, automated placement equipment generally relies on CCD cameras for accurate placement, resulting in high costs and making it particularly unsuitable for small-batch production. Furthermore, these devices lack the ability to automatically remove adhesive backing from components, thus presenting significant limitations. To address this issue, there is an urgent need for a device capable of precisely removing the adhesive backing from parts and installing them in designated positions. Utility Model Content

[0004] The purpose of this invention is to provide a precise positioning and installation device for symmetrical parts with adhesive backing, in order to overcome the shortcomings of the above-mentioned technologies.

[0005] To achieve the above objectives, this utility model designs a precise positioning and installation device for symmetrical parts with adhesive backing, including a machine base and a drive guide rail. A transverse gantry guide rail is mounted on the machine base, and the gantry guide rail is arranged along the left-right direction of the machine base. The drive guide rail is perpendicular to the machine base and slidably connected to the gantry guide rail. The drive guide rail also has a machine head for gripping and installing parts. The machine base further includes a working guide rail, which is arranged along the front-back direction of the machine base. From front to back, the working guide rail is equipped with an adhesive backing removal device, a centering device for calibrating the center of the parts, and a device for adjusting... An angle calibration device for part angles, the center calibration device includes a first working platform, a center calibration parallel cylinder, a center calibration left gripper, and a center calibration right gripper. The first working platform is adjustablely mounted on the machine base via a working guide rail. The center calibration parallel cylinder is mounted on the first working platform and has two output ends, left and right. The center calibration left gripper and the center calibration right gripper are a pair of V-shaped grippers with identical structures, symmetrically arranged on the left and right output ends of the center calibration parallel cylinder. The center calibration parallel cylinder simultaneously drives the left and right output ends to retract or open.

[0006] A further solution is a precision positioning and installation device for symmetrical parts with adhesive backing designed in this utility model. The machine head includes a machine head support, a suction nozzle angle shaft, and a vacuum suction nozzle for picking up the main body of the part. The machine head support is vertically connected to the drive guide rail. The suction nozzle angle shaft is vertically arranged on the machine head support and is a circular rod that can rotate around its own axis. The vacuum suction nozzle is coaxially arranged at the lower end of the suction nozzle angle shaft.

[0007] A further solution is a precision positioning and installation device for symmetrical parts with adhesive backing designed in this utility model. The center calibration device also includes a center calibration annular tube for determining the calibration center of the part. The center calibration annular tube is a circular tube perpendicular to the machine tool and can be set between the center calibration left jaw and the center calibration right jaw. It does not participate in the part calibration and adhesive backing removal process. The inner diameter of the center calibration annular tube matches the outer diameter of the vacuum nozzle. When the output end of the center calibration parallel cylinder is driven to retract, the center calibration left jaw and the center calibration right jaw clamp the center calibration annular tube. At this time, the vacuum nozzle is moved into the center calibration annular tube to obtain the calibration center of the part.

[0008] A further solution is a precision positioning and installation device for symmetrical parts with adhesive backing, as designed in this utility model. The adhesive-removing device includes a second working platform, an adhesive-removing guide rail cylinder, a motor fixing plate, an adhesive-removing stepper motor, an adhesive-removing finger cylinder, and adhesive-removing fingers. The second working platform is adjustablely mounted on the machine base via a working guide rail. The adhesive-removing guide rail cylinder is mounted on the second working platform, and the motor fixing plate is mounted on the adhesive-removing guide rail cylinder. The adhesive-removing guide rail cylinder drives the motor fixing plate to move back and forth. The adhesive-tearing stepper motor is mounted on a motor mounting plate and its output shaft is parallel to the machine base and gantry guide rail. The adhesive-tearing finger cylinder is rotatably mounted on the output shaft of the adhesive-tearing stepper motor. The adhesive-tearing stepper motor drives the adhesive-tearing finger cylinder to rotate clockwise or counterclockwise. The adhesive-tearing finger cylinder has two output ends, and the adhesive-tearing fingers are symmetrically arranged on the upper and lower output ends of the adhesive-tearing finger cylinder. The adhesive-tearing finger cylinder drives the adhesive-tearing fingers to clamp or release the adhesive on the parts.

[0009] A further solution is a precision positioning and installation device for symmetrical parts with adhesive backing, as designed in this utility model. The angle calibration device includes a third working platform, an angle calibration guide rail cylinder, an angle calibration cylinder fixing plate, an angle calibration gripper cylinder, and angle calibration grippers. The third working platform is adjustablely mounted on the machine base via a working guide rail. The angle calibration guide rail cylinder is mounted on the third working platform, and the angle calibration cylinder fixing plate is mounted on the angle calibration guide rail cylinder. The angle calibration guide rail cylinder drives the angle calibration cylinder fixing plate to translate in the front-back direction. The angle calibration gripper cylinder is fixedly mounted on the angle calibration cylinder fixing plate and has two output ends, left and right. The angle calibration grippers are symmetrically arranged on the left and right output ends of the angle calibration gripper cylinder. The axis of symmetry of the angle calibration grippers is coaxial with the calibration center of the part. The angle calibration gripper cylinder drives the angle calibration grippers to grip the part to calibrate the angle of the part.

[0010] A further solution is that the present invention provides a precise positioning and installation device for symmetrical parts with adhesive backing, which also includes a feeding device located on the right side of the machine. The feeding device includes a tray driver for driving the movement of the tray for placing the parts and a tray platform for placing the tray. The bottom of the tray driver is fixedly connected to the machine, and the tray platform is movably connected to the tray driver. The tray driver controls the tray platform to move in the front-back direction, so that the parts on the tray are aligned with the vacuum nozzle in the left-right direction.

[0011] This invention discloses a precise positioning and installation device for symmetrical parts with adhesive backing. Through the coordinated operation of a peeling adhesive device, a center calibration device, an angle calibration device, and a machine head, the part is accurately fed to the calibration center by the machine head. After center and angle calibration and removal of the adhesive backing, the part is accurately installed in the designated position. The design of this device fully considers the shape of the part and installation requirements, achieving efficient and precise installation of symmetrical parts with adhesive backing through the collaborative work of various devices. Attached Figure Description

[0012] Figure 1 This is a three-dimensional schematic diagram of a precise positioning and installation device for a symmetrical part with adhesive backing.

[0013] Figure 2 yes Figure 1 A magnified view of area a in the middle.

[0014] Figure 3 This is a three-dimensional schematic diagram of the machine head described in this utility model.

[0015] Figure 4 This is a three-dimensional schematic diagram of the central calibration device described in this utility model.

[0016] Figure 5This is a three-dimensional schematic diagram of the angle calibration device described in this utility model.

[0017] Figure 6 This is a three-dimensional schematic diagram of the adhesive-removing device described in this utility model.

[0018] Figure 7 This is a three-dimensional schematic diagram of the feeding device described in this utility model.

[0019] Figure 8 This is a schematic diagram of the process of obtaining the calibration center of the parts according to this utility model.

[0020] Figure 9 This is a schematic diagram illustrating the operation of the present invention when centering a part.

[0021] Figure 10 This is a schematic diagram illustrating the process of centering a part according to this utility model.

[0022] Figure 11 This is a schematic diagram illustrating the operation of this utility model when calibrating the angle of a part.

[0023] Figure 12 This is a schematic diagram of the working process of this utility model when calibrating the angle of a part.

[0024] Figure 13 This is a schematic diagram illustrating the process of peeling off the adhesive backing of parts according to this utility model.

[0025] Figure 14 This is a schematic diagram illustrating the process of peeling off the adhesive backing of the parts according to this utility model.

[0026] Explanation of reference numerals in the attached drawings: 1. Machine base; 2. Drive guide rail; 3. Machine head; 4. Adhesive tearing device; 5. Center calibration device; 6. Angle calibration device; 7. Feeding device; 11. Gantry guide rail; 12. Working guide rail; 31. Machine head support; 32. Suction nozzle angle shaft; 33. Vacuum suction nozzle; 41. Second working platform; 42. Adhesive tearing guide rail cylinder; 43. Motor fixing plate; 44. Adhesive tearing stepper motor; 45. Adhesive tearing finger cylinder; 46. Adhesive tearing finger; 51. First working platform; 52. Center calibration parallel cylinder; 53. Center calibration left gripper; 54. Center calibration right gripper; 55. Center calibration annular tube; 55. Third working platform; 61. Angle calibration guide rail cylinder; 62. Angle calibration cylinder fixing plate; 63. Angle calibration gripper cylinder; 64. Angle calibration gripper; 65. Material tray driver; 71. Material tray platform; 72. Detailed Implementation

[0027] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0028] Example 1.

[0029] This embodiment describes a precise positioning and mounting device for symmetrical parts with adhesive backing. Please refer to... Figure 1 and Figure 2 The machine includes a machine base 1 and a drive rail 2. A horizontal gantry rail 11 is mounted on the machine base 1. The gantry rail 11 is arranged along the left-right direction of the machine base 1. The drive rail 2 is perpendicular to the machine base 1 and is slidably connected to the gantry rail 11. The drive rail 2 is also provided with a machine head 3 for gripping and installing parts. The machine base 1 also includes a working rail 12, which is arranged along the front-back direction of the machine base. From front to back, the working rail 12 is provided with a backing adhesive peeling device 4, a center calibration device 5 for calibrating the center of the parts, and an angle calibration device 6 for adjusting the angle of the parts.

[0030] Please refer to Figure 3 The machine head 3 includes a machine head support 31, a suction nozzle angle shaft 32, and a vacuum suction nozzle 33 for sucking up the main body of the part. The machine head support 31 is vertically connected to the drive guide rail 2. The suction nozzle angle shaft 32 is vertically arranged on the machine head support 31. The suction nozzle angle shaft 32 is a round rod that can rotate around its own axis. The vacuum suction nozzle 33 is coaxially arranged at the lower end of the suction nozzle angle shaft 32.

[0031] Please refer to Figure 4 The center calibration device 5 includes a first working platform 51, a center calibration parallel cylinder 52, a center calibration left gripper 53, and a center calibration right gripper 54. The first working platform 51 is adjustablely mounted on the machine base 1 via a working guide rail 12. The center calibration parallel cylinder 52 is mounted on the first working platform 51 and has two output ends, left and right. The center calibration left gripper 53 and the center calibration right gripper 54 are a pair of V-shaped grippers with the same structure, symmetrically mounted on the left and right output ends of the center calibration parallel cylinder 52. The center calibration parallel cylinder 52 simultaneously drives the left and right output ends to retract or open.

[0032] Please refer to Figure 5The angle calibration device 6 includes a third working platform 61, an angle calibration guide rail cylinder 62, an angle calibration cylinder fixing plate 63, an angle calibration gripper cylinder 64, and an angle calibration gripper 65. The third working platform 61 is adjustablely mounted on the machine base 1 via a working guide rail 12. The angle calibration guide rail cylinder 62 is mounted on the third working platform 61, and the angle calibration cylinder fixing plate 63 is mounted on the angle calibration guide rail cylinder 62. The angle calibration guide rail cylinder 62 drives the angle calibration cylinder fixing plate 63 to translate in the front-back direction. The angle calibration gripper cylinder 64 is fixedly mounted on the angle calibration cylinder fixing plate 63 and has two output ends, left and right. The angle calibration gripper 65 is symmetrically arranged on the left and right output ends of the angle calibration gripper cylinder 64. The axis of symmetry of the angle calibration gripper 65 is coaxial with the calibration center of the part. The angle calibration gripper cylinder 64 drives the angle calibration gripper 65 to grip the part to calibrate the angle of the part.

[0033] Please refer to Figure 6 The adhesive-removing device 4 includes a second working platform 41, an adhesive-removing guide cylinder 42, a motor fixing plate 43, an adhesive-removing stepper motor 44, an adhesive-removing finger cylinder 45, and adhesive-removing fingers 46. The second working platform 41 is adjustablely mounted on the machine base 1 via a working guide rail 12. The adhesive-removing guide cylinder 42 is mounted on the second working platform 41, and the motor fixing plate 43 is mounted on the adhesive-removing guide cylinder 42. The adhesive-removing guide cylinder 42 drives the motor fixing plate 43 to move horizontally in the back-to-back direction. The adhesive-removing stepper motor 45... 4. The output shaft of the adhesive-tearing stepper motor 44 is parallel to the machine base 1 and the gantry guide rail 11, and the adhesive-tearing finger cylinder 45 is rotatably mounted on the output shaft of the adhesive-tearing stepper motor 44. The adhesive-tearing stepper motor 44 drives the adhesive-tearing finger cylinder 45 to rotate clockwise or counterclockwise. The adhesive-tearing finger cylinder 45 has two output ends, and the adhesive-tearing fingers 46 are symmetrically arranged on the upper and lower output ends of the adhesive-tearing finger cylinder 45. The adhesive-tearing finger cylinder 45 drives the adhesive-tearing fingers 46 to clamp or release the adhesive on the parts.

[0034] Please refer to Figure 7 The feeding device 7 includes a tray driver 71 for driving the movement of the tray for placing parts and a tray platform 72 for placing the tray. The bottom of the tray driver 71 is fixedly connected to the machine base 1, and the tray platform 72 is movably connected to the tray driver 71. The tray driver 71 controls the tray platform 72 to move in the front-back direction so that the parts on the tray are aligned with the vacuum nozzle 33 in the left-right direction.

[0035] Please refer to Figure 8The center calibration device 5 also includes a center calibration annular tube 55 for determining the calibration center of the part. The center calibration annular tube 55 is a circular tube perpendicular to the machine base 1 and can be set between the center calibration left jaw 53 and the center calibration right jaw 54. The inner diameter of the center calibration annular tube 55 matches the outer diameter of the vacuum nozzle 33 and does not participate in the part calibration and adhesive peeling process.

[0036] This embodiment describes the preparation before operation of a precision positioning and installation device for a symmetrical part with adhesive backing. The part is generally round and button-shaped, with a sheet-like protrusion on one side. The bottom surface of the part is covered with adhesive backing, and there is a tear-off protrusion extending outward relative to the sheet-like protrusion. Before operation, the calibration center of the part needs to be determined. First, the position of the first working platform 51 on the working guide rail 12 is adjusted so that the gap between the center calibration left jaw 53 and the center calibration right jaw 54 is roughly aligned with the vacuum nozzle 33 above in the vertical direction. Then, the center calibration annular tube 55 is placed between the center calibration left jaw 53 and the center calibration... Between the right gripper 54, the center calibration parallel cylinder 52 is activated to drive the center calibration left gripper 53 and the center calibration right gripper 54 to clamp the center calibration annular tube 55. At this time, the position of the machine head 3 in the left and right direction is adjusted so that the vacuum nozzle 33 is aligned with the center annular tube 55 below in the left and right direction. Then, the front and back position of the first working platform 51 is adjusted again so that the circular hole in the center of the center annular tube 55 is aligned with the vacuum nozzle 33 above in the vertical direction. Finally, the vacuum nozzle 33 is inserted vertically downward into the center calibration annular tube 55 to obtain the part calibration center.

[0037] After obtaining the part calibration center, the vacuum nozzle 33 is used to pick up a part and the part is moved to the part calibration center through the machine head 3. The center calibration parallel cylinder 52 is then activated to perform center calibration on the part. At this time, the relative positions of the second working platform 41 and the third working platform 61 on the working guide rail 12 with the first working platform 51 are adjusted so that the angle calibration device 6 and the adhesive peeling device 4 can accurately perform angle calibration and adhesive peeling operations on the part.

[0038] This embodiment describes the working process of a precision positioning and installation device for symmetrical parts with adhesive backing. First, a tray containing parts is manually placed onto the tray platform 72. The parts are arranged in a matrix on the tray. The tray driver 71 controls the tray platform 72 to move forward, ensuring that the parts on the tray are always on the trajectory of the vacuum nozzle 33 moving to the left. Then, the drive guide rail 2 moves the machine head 3 above the tray, aligning the vacuum nozzle 33 with the parts below. The machine head support 31 lowers the nozzle angle axis 32, and the vacuum nozzle 33 picks up the parts. The machine head support 31 then raises the nozzle angle axis 32, and the drive guide rail 2 moves the machine head 3 above the part calibration center. The machine head support 31 then lowers the nozzle angle axis 32, bringing the parts to the part calibration center. Please refer to [reference needed]. Figure 9 and Figure 10 When the part arrives at the part calibration center, the center calibration parallel cylinder 52 of the center calibration device 5 drives the center calibration left jaw 53 and the center calibration right jaw 54 to clamp but not hold the part, limiting the part so that the part coincides with the part calibration center. During this process, the vacuum nozzle 33 still holds the part.

[0039] refer to Figure 11 and Figure 12 After the part is positioned, the angle calibration guide cylinder 62 pushes the angle calibration cylinder fixing plate 63 forward, causing the angle calibration gripper 65 to move forward to grip the rear of the part. Then, the angle calibration gripper cylinder 64 drives the angle calibration gripper 65 to grip the plate-like protrusion of the part. At this time, because the nozzle angle axis 32 has a degree of freedom of rotation, the part also has a degree of freedom around the nozzle angle axis, thereby allowing the part to rotate to the correct angle.

[0040] Please refer to Figure 13 and Figure 14 After the part has completed angle calibration, the adhesive tearing guide cylinder 42 pushes the motor fixing plate 43 backward, causing the adhesive tearing finger 46 to move backward to the front of the part and clamp the adhesive tearing protrusion. Then, the adhesive tearing finger cylinder 45 drives the adhesive tearing finger 46 to close up and down to clamp the adhesive tearing protrusion. The adhesive tearing stepper motor 44 drives the adhesive tearing finger cylinder 45 to rotate 90 degrees downward around the output axis of the adhesive tearing stepper motor 44, so that the adhesive is torn off the part. Finally, the adhesive tearing finger 46 releases the adhesive, the adhesive tearing guide cylinder 42 retracts the motor fixing plate 43 forward, and the adhesive tearing stepper motor 44 drives the adhesive tearing finger cylinder 45 to rotate 90 degrees upward around the output axis of the adhesive tearing stepper motor 44, so that the adhesive tearing device 4 returns to the standby state.

[0041] After the adhesive-removing device 4 completes its work, the angle calibration gripper cylinder 64 drives the angle calibration gripper 65 to release the rear of the part. Then, the angle calibration guide rail cylinder 62 retracts the angle calibration cylinder fixing plate 63, and the angle calibration device 6 returns to the standby state. Subsequently, the center calibration parallel cylinder 52 of the center calibration device 5 drives the center calibration left gripper 53 and the center calibration right gripper 54 to retract, so that the center calibration device 5 returns to the standby state. Then, the machine head support 31 lifts the suction nozzle angle shaft 32 and drives the guide rail 2 to move the machine head 3 to the left on the gantry guide rail 11 to directly above the position where the part needs to be installed. Then, the machine head support 31 lowers the suction nozzle angle shaft 32 to make the part fit in the designated position. The vacuum suction nozzle 33 removes the suction force on the part. Finally, the machine head support 31 lifts the suction nozzle angle shaft 32 and repeats the above operations.

[0042] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A precision positioning and mounting device for symmetrical parts with adhesive backing, comprising a machine base (1) and a drive guide rail (2), characterized in that: The machine platform (1) is equipped with a horizontal gantry rail (11), which is arranged along the left and right direction of the machine platform (1). The drive rail (2) is perpendicular to the machine platform (1) and is slidably connected to the gantry rail (11). It is also equipped with a machine head (3) for gripping and installing parts. The machine platform (1) also includes a working rail (12), which is arranged along the front and back direction of the machine platform. The working rail (12) is equipped with a backing adhesive removal device (4), a center calibration device (5) for calibrating the center of the parts, and an angle calibration device (6) for adjusting the angle of the parts, respectively, from front to back. The center calibration device (5) includes a first working part. The first working platform (51) is adjustablely mounted on the machine tool (1) via the working guide rail (12). The center calibration parallel cylinder (52) is mounted on the first working platform (51) and has two output ends, left and right. The center calibration left gripper (53) and center calibration right gripper (54) are a pair of V-shaped grippers with the same structure, symmetrically mounted on the left and right output ends of the center calibration parallel cylinder (52). The center calibration parallel cylinder (52) simultaneously drives the left and right output ends to close or open.

2. The precise positioning and mounting device for symmetrical parts with adhesive backing according to claim 1, characterized in that: The machine head (3) includes a machine head support (31), a suction nozzle angle shaft (32), and a vacuum suction nozzle (33) for sucking up the main body of the part. The machine head support (31) is vertically connected to the drive guide rail (2). The suction nozzle angle shaft (32) is vertically arranged on the machine head support (31). The suction nozzle angle shaft (32) is a round rod that can rotate around its own axis. The vacuum suction nozzle (33) is coaxially arranged at the lower end of the suction nozzle angle shaft (32).

3. The precise positioning and mounting device for symmetrical parts with adhesive backing according to claim 1, characterized in that: The center calibration device (5) also includes a center calibration annular tube (55) for determining the calibration center of the part. The center calibration annular tube (55) is a circular tube perpendicular to the machine base (1) that can be set between the center calibration left jaw (53) and the center calibration right jaw (54). It does not participate in the part calibration and adhesive peeling process. The inner diameter of the center calibration annular tube (55) matches the outer diameter of the vacuum nozzle. When the output end of the center calibration parallel cylinder (52) is driven to retract, the center calibration left jaw (53) and the center calibration right jaw (54) clamp the center calibration annular tube (55). At this time, the vacuum nozzle is moved into the center calibration annular tube to obtain the calibration center of the part.

4. The precise positioning and mounting device for symmetrical parts with adhesive backing according to claim 1, characterized in that: The adhesive-removing device (4) includes a second working platform (41), an adhesive-removing guide cylinder (42), a motor fixing plate (43), an adhesive-removing stepper motor (44), an adhesive-removing finger cylinder (45), and an adhesive-removing finger (46). The second working platform (41) is adjustablely mounted on the machine base (1) via a working guide rail (12). The adhesive-removing guide cylinder (42) is mounted on the second working platform (41), and the motor fixing plate (43) is mounted on the adhesive-removing guide cylinder (42). The adhesive-removing guide cylinder (42) drives the motor fixing plate (43) to move horizontally in the front-to-back direction. The adhesive-removing stepper motor... (44) Set on the motor fixing plate (43), the output shaft of the adhesive tearing stepper motor (44) is parallel to the machine base (1) and the gantry guide rail (11). The adhesive tearing finger cylinder (45) is rotatably set on the output shaft of the adhesive tearing stepper motor (44). The adhesive tearing stepper motor (44) drives the adhesive tearing finger cylinder (45) to rotate clockwise or counterclockwise. The adhesive tearing finger cylinder (45) has two output ends, upper and lower. The adhesive tearing fingers (46) are symmetrically set on the upper and lower output ends of the adhesive tearing finger cylinder (45). The adhesive tearing finger cylinder (45) drives the adhesive tearing fingers (46) to clamp or release the adhesive on the parts.

5. The precise positioning and mounting device for symmetrical parts with adhesive backing according to claim 1, characterized in that: The angle calibration device (6) includes a third working platform (61), an angle calibration guide rail cylinder (62), an angle calibration cylinder fixing plate (63), an angle calibration gripper cylinder (64), and an angle calibration gripper (65). The third working platform (61) is adjustablely mounted on the machine base (1) via a working guide rail (12). The angle calibration guide rail cylinder (62) is mounted on the third working platform (61), and the angle calibration cylinder fixing plate (63) is mounted on the angle calibration guide rail cylinder (62). 62) Drive the angle calibration cylinder fixing plate (63) to move in the front and back direction. The angle calibration gripper cylinder (64) is fixedly installed on the angle calibration cylinder fixing plate (63). The angle calibration gripper cylinder (64) has two output ends, left and right. The angle calibration gripper (65) is symmetrically installed on the left and right output ends of the angle calibration gripper cylinder (64). The axis of symmetry of the angle calibration gripper (65) is coaxial with the calibration center of the part. The angle calibration gripper cylinder (64) drives the angle calibration gripper (65) to clamp the part to calibrate the angle of the part.

6. The precise positioning and mounting device for symmetrical parts with adhesive backing according to claim 1, characterized in that: It also includes a feeding device (7) located on the right side of the machine base (1). The feeding device (7) includes a tray driver (71) for driving the movement of the tray for placing parts and a tray platform (72) for placing the tray. The bottom of the tray driver (71) is fixedly connected to the machine base (1), and the tray platform (72) is movably connected to the tray driver (71). The tray driver (71) controls the tray platform (72) to move in the front-back direction so that the parts on the tray are aligned with the vacuum nozzle (33) in the left-right direction.

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