A positioning and feeding device and method during the installation of a power chip

Abstract

The present invention relates to the technical field of power chip installation, and specifically to a positioning and feeding device and method during the installation of a power chip, comprising a driving robotic arm, and also comprising: a suction cup connecting pipe for connecting a chip suction cup, a fixed driving disc fixedly mounted on the suction cup connecting pipe; an external protective shell mounted on the driving robotic arm, for protecting the suction cup connecting pipe and the chip suction cup, two sliding baffles being slidably mounted on the lower end of the external protective shell; an electric telescopic rod mounted on the external protective shell, through the cooperation of the fixed driving disc and the cooperating cleaning mechanism, the gas can finally be ejected through a plurality of inner nozzles, the suction cup connecting pipe and the chip suction cup successively pass through an annular jet connecting pipe, the gas ejected from the inner nozzle cleans the dust on the suction cup connecting pipe and the chip suction cup, and at this time, a vacuum cleaner is turned on to further process the blown-off dust, thereby extending the service life of the chip suction cup and reducing maintenance costs.

Description

Technical Field

[0001] The present invention relates to the technical field of power chip installation, and in particular to a positioning and feeding device and method during the installation of a power chip. Background Art

[0002] During the installation of power chips, positioning and feeding robots play a vital role, primarily using suction cups to grasp and place power chips. However, existing positioning and feeding robots have significant shortcomings: the suction cups are exposed to the external environment when not in use, and impurities such as dust and debris in the working environment easily adhere to their surfaces. This can contaminate the chip surface when grasping it, affecting its performance and quality. Furthermore, the suction cups lack effective protection when idle, making them susceptible to physical damage such as collisions and scratches, which shortens their service life. Summary of the Invention

[0003] The object of the present invention is to provide a positioning and feeding device and method for installing a power chip, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: a positioning and feeding device for a power chip during installation, comprising a driving mechanical arm, and further comprising:

[0005] A suction cup connecting tube is used to connect the chip suction cup and provide suction, and a fixed driving disk is fixedly installed on the suction cup connecting tube;

[0006] An external protective shell is installed on the driving robot arm and is used to protect the suction cup connecting pipe and the chip suction cup. Two sliding baffles are slidably installed at the lower end of the external protective shell;

[0007] An electric telescopic rod is installed on the outer protective shell and is used to drive the chip suction cup to extend out of the outer protective shell;

[0008] Cooperating with the driving mechanism, it is arranged on the external protective shell and is arranged in cooperation with the fixed driving disk;

[0009] Cooperating with the cleaning mechanism, it is arranged on the external protective shell and is arranged in cooperation with the fixed driving disk;

[0010] Among them, when the electric telescopic rod contracts and drives the suction cup connecting tube and the chip suction cup to move toward the inside of the external protective shell, the fixed driving plate moves with the suction cup connecting tube, and the fixed driving plate drives the cooperating cleaning mechanism to operate, which is used to jet clean the dust on the suction cup connecting tube and the chip suction cup. The fixed driving plate cooperates with the cooperating driving mechanism to drive the two sliding baffles to seal the external protective shell.

[0011] Preferably, the mating driving mechanism includes a folding connecting plate slidably mounted on the outer protective shell, the folding connecting plate is used to drive the sliding baffle to move, the folding connecting plate is slidably connected to a limiting sliding rod, and the limiting sliding rod is provided with a reset spring for driving the sliding baffle to reset.

[0012] Preferably, the cooperating cleaning mechanism includes a fixed gas cylinder fixedly arranged on the electric telescopic rod, a movable long rod fixedly arranged on the fixed driving disk, an annular jet connecting pipe through which the suction cup connecting pipe and the chip suction cup can pass, and an air outlet connecting pipe for transmitting the gas in the fixed gas cylinder to the annular jet connecting pipe.

[0013] Preferably, one end of the limiting sliding rod is fixedly connected to the external protective shell, one end of the return spring is fixedly connected to the external protective shell, the other end of the return spring is fixedly connected to the folding connecting plate, and the lower end of the folding connecting plate is fixedly connected to the sliding baffle.

[0014] Preferably, the mating drive mechanism further comprises a movable square plate disposed inside the outer protective shell and directly above the fixed drive disk, and the fixed drive disk can drive the movable square plate to move upward;

[0015] A fixed through slot is provided on the movable square plate for the output shaft of the electric telescopic rod to pass through; a sliding connecting plate is fixedly installed on the movable square plate; the sliding connecting plate is slidably connected to the inside of the external protective shell; one end of the movable square plate is hinged to a driving connecting plate; the other end of the driving connecting plate is hinged to one end of the folding connecting plate.

[0016] Preferably, the cooperative cleaning mechanism further comprises a fixed mounting plate fixedly mounted on the electric telescopic rod and a supporting connecting plate fixedly mounted on the fixed driving disk;

[0017] The fixed air cylinder is fixedly mounted on the lower end of the fixed mounting plate. An internal cavity is provided inside the fixed air cylinder. An internal piston plate is slidably connected to the internal cavity. One end of the internal piston plate is fixedly connected to a movable long rod. The end of the movable long rod away from the internal piston plate is fixedly connected to the supporting connecting plate. The movable long rod moves with the fixed driving disk.

[0018] Preferably, the fixed air cylinder is connected to an air intake connecting pipe, a one-way air intake valve is provided on the air intake connecting pipe, the fixed air cylinder is connected to an air outlet connecting pipe, a one-way air outlet valve is provided on the air outlet connecting pipe, the air outlet connecting pipe is connected to an annular jet connecting pipe, a plurality of inner jet heads are connected to the annular jet connecting pipe, and the air outlet connecting pipe is fixedly installed inside the external protective shell through a fixed mounting block.

[0019] Preferably, a fixed support plate is fixedly provided on the top of the external protective shell, and the fixed support plate is fixed to the driving mechanical arm. An air intake box body is provided on the top of the external protective shell, and a connecting filter plate is provided on the air intake box body. The air intake connecting pipe is connected to the air intake box body at one end away from the fixed air cylinder.

[0020] Preferably, a vacuum cleaner is fixedly mounted on the external protective shell, and a dust suction port is provided on the vacuum cleaner for sucking dust into the vacuum cleaner through the dust suction port.

[0021] A method for using a positioning and feeding device during installation of a power chip, the method comprising the following steps:

[0022] Step 1: When the chip suction cup is not in use, the electric telescopic rod is controlled to retract, and the electric telescopic rod drives the suction cup connecting tube and the chip suction cup to move into the outer protective shell. The fixed drive plate follows the suction cup connecting tube to move into the outer protective shell.

[0023] Step 2: By cooperating with the fixed driving disk and the cleaning mechanism, the gas can be finally ejected through multiple inner nozzles. The suction cup connecting tube and the chip suction cup pass through the annular jet connecting tube in turn. The gas ejected from the inner nozzles cleans the dust on the suction cup connecting tube and the chip suction cup. At this time, the vacuum cleaner is turned on to further process the blown dust.

[0024] Step three: When the fixed driving plate continues to move upward following the suction cup connecting tube, the fixed driving plate contacts the sliding connecting plate through the cooperation of the fixed driving plate and the cooperating driving mechanism, and drives the movable square plate to move upward. When the movable square plate moves upward, the driving connecting plate drives the two folding connecting plates to approach each other, and then drives the two sliding baffle plates to approach and contact each other, thereby sealing the lower end of the external protective shell.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] By cooperating with the fixed driving disk and the cleaning mechanism, the gas can be finally ejected through multiple inner nozzles. The suction cup connecting tube and the chip suction cup pass through the annular jet connecting tube in turn. The gas ejected from the inner nozzle cleans the dust on the suction cup connecting tube and the chip suction cup. At this time, the vacuum cleaner is turned on to further process the blown dust, thereby extending the service life of the chip suction cup and reducing maintenance costs.

[0027] Through the cooperation of the fixed driving disk and the mating driving mechanism, the fixed driving disk contacts the sliding connecting plate and drives the movable square plate to move upward. When the movable square plate moves upward, the driving connecting plate drives the two folding connecting plates to approach each other, and then drives the two sliding baffles to approach each other and contact, thereby sealing the lower end of the external protective shell and preventing dust from entering the interior of the external protective shell.

[0028] When the chip suction cup is used, the suction cup connecting tube and the chip suction cup are driven downward by the electric telescopic rod, and the fixed driving plate moves downward with the suction cup connecting tube, and the fixed driving plate drives the moving long rod to move downward, and the moving long rod drives the internal piston plate to move downward, and a negative pressure is formed inside the internal cavity. The gas enters the internal cavity through the air intake connecting tube, and the gas is filtered through the connecting filter plate to reduce dust in the gas. When the fixed driving plate moves downward, the elastic action of the reset spring realizes the reset of the moving square plate, drives the two folding connecting plates away from each other, and then drives the two sliding baffles away from each other. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0030] Figure 2 It is a schematic diagram of the local structure of the present invention.

[0031] Figure 3 for Figure 2 Schematic diagram of the local structure in.

[0032] Figure 4 Schematic diagram of the bottom structure of the external protective shell of the present invention.

[0033] Figure 5 Schematic diagram of the internal structure of the outer protective shell of the present invention.

[0034] Figure 6 This is a schematic structural diagram of the interior of the outer protective shell of the present invention from another perspective.

[0035] Figure 7 It is a schematic diagram of the sliding baffle structure of the present invention.

[0036] Figure 8 It is a schematic diagram of the structure of the matching drive mechanism of the present invention.

[0037] Figure 9 It is a schematic diagram of the external structure of the fixed gas storage cylinder of the present invention.

[0038] Figure 10 It is another state structural schematic diagram of the present invention.

[0039] Figure 11 It is a schematic diagram of the partial structure of the matching drive mechanism of the present invention.

[0040] Figure 12 This is a structural schematic diagram of the sliding baffle in another state of the present invention.

[0041] Figure 13 This is a schematic diagram of the chip suction cup structure in another position of the present invention.

[0042] Figure: 1, driving robot arm; 2, fixed support plate; 3, outer protective shell; 4, sliding baffle; 5, suction cup connecting pipe; 51, chip suction cup; 6, matching driving mechanism; 7, matching cleaning mechanism; 8, electric telescopic rod; 9, fixed driving plate; 10, air inlet box; 11, connecting filter plate; 12, vacuum cleaner; 13, suction port; 61, movable square plate; 62, sliding connecting plate; 63, driving connecting plate; 64, folding plate Connecting plate; 65, limiting sliding rod; 66, return spring; 67, fixed through groove; 71, fixed mounting plate; 72, fixed air reservoir; 73, air inlet connecting pipe; 74, one-way air inlet valve; 75, air outlet connecting pipe; 76, one-way air outlet valve; 77, fixed mounting block; 78, annular jet connecting pipe; 79, inner jet head; 710, supporting connecting plate; 711, moving long rod; 712, internal piston plate; 713, internal cavity. DETAILED DESCRIPTION

[0043] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0044] See also Figures 1 to 13 , the present invention provides a technical solution: a positioning and feeding device during the installation of a power chip, comprising a driving mechanical arm 1, and also comprising: a suction cup connecting tube 5, for connecting a chip suction cup 51 and providing suction. The driving mechanical arm 1, the suction cup connecting tube 5 and the chip suction cup 51 are all mature existing technologies, which are used to realize the positioning, feeding, grabbing and placement of the chip, and are not described in detail here. A fixed driving disk 9 is fixedly installed on the suction cup connecting tube 5; an external protective shell 3 is installed on the driving mechanical arm 1, for protecting the suction cup connecting tube 5 and the chip suction cup 51, and two sliding baffles 4 are slidably installed at the lower end of the external protective shell 3; an electric telescopic rod 8 is installed on the external protective shell 3, for driving the chip suction cup 51 to extend out of the external protective shell 3; a cooperating driving mechanism 6 is arranged on the external protective shell 3, and is arranged in cooperation with the fixed driving disk 9; a cooperating cleaning mechanism 7 is arranged on the external protective shell 3, and is arranged in cooperation with the fixed driving disk 9;

[0045] Among them, when the electric telescopic rod 8 contracts and drives the suction cup connecting tube 5 and the chip suction cup 51 to move toward the inside of the external protective shell 3, the fixed driving disk 9 follows the suction cup connecting tube 5 to move, and the fixed driving disk 9 drives the cooperating cleaning mechanism 7 to operate, which is used to jet clean the dust on the suction cup connecting tube 5 and the chip suction cup 51. The fixed driving disk 9 cooperates with the cooperating driving mechanism 6 to drive the two sliding baffles 4 to seal the external protective shell 3.

[0046] By cooperating with the fixed driving disk 9 and the cooperating cleaning mechanism 7, the gas can be finally ejected through multiple inner nozzles 79, and the suction cup connecting tube 5 and the chip suction cup 51 successively pass through the annular jet connecting tube 78. The gas ejected by the inner nozzle 79 cleans the dust on the suction cup connecting tube 5 and the chip suction cup 51. At this time, the vacuum cleaner 12 is turned on to further process the blown dust, thereby extending the service life of the chip suction cup and reducing maintenance costs. By cooperating with the fixed driving disk 9 and the cooperating driving mechanism 6, the fixed driving disk 9 contacts the sliding connecting plate 62 and drives the moving square plate 61 to move upward. When the moving square plate 61 moves upward, the two folding connecting plates 64 are driven to approach each other through the driving connecting plate 63, and then the two sliding baffles 4 are driven to approach and contact each other, thereby achieving the blocking of the lower end of the external protective shell 3 to prevent dust from entering the inside of the external protective shell 3.

[0047] refer to Figure 5 and Figure 8 It is understood that the driving mechanism 6 includes a folding connecting plate 64 slidably mounted on the outer protective shell 3, the folding connecting plate 64 is used to drive the sliding baffle 4 to move, the folding connecting plate 64 is slidably connected to the limited sliding rod 65, and the limited sliding rod 65 is provided with a return spring 66 for driving the sliding baffle 4 to return, one end of the limited sliding rod 65 is fixedly connected to the outer protective shell 3, one end of the return spring 66 is fixedly connected to the outer protective shell 3, and the other end of the return spring 66 is fixedly connected to the folding connecting plate 64, and the lower end of the folding connecting plate 64 is fixedly connected to the sliding baffle 4 The fixed connection and the cooperative driving mechanism 6 also include a movable square plate 61 arranged inside the outer protective shell 3 and located directly above the fixed driving disk 9. The fixed driving disk 9 can drive the movable square plate 61 to move upward; a fixed through groove 67 is provided on the movable square plate 61 for the output shaft of the electric telescopic rod 8 to pass through, and a sliding connecting plate 62 is fixedly installed on the movable square plate 61. The sliding connecting plate 62 is slidably connected to the inside of the outer protective shell 3. One end of the movable square plate 61 is hinged to the driving connecting plate 63, and the other end of the driving connecting plate 63 is hinged to one end of the folding connecting plate 64.

[0048] refer to Figures 9 to 11It is understood that the cooperation cleaning mechanism 7 includes a fixed gas cylinder 72 fixedly arranged on the electric telescopic rod 8, a mobile long rod 711 fixedly arranged on the fixed driving disk 9, an annular air injection connecting pipe 78 for the suction cup connecting pipe 5 and the chip suction cup 51 to pass through, and an air outlet connecting pipe 75 for transmitting the gas in the fixed gas cylinder 72 to the annular air injection connecting pipe 78. The cooperation cleaning mechanism 7 also includes a fixed mounting plate 71 fixedly mounted on the electric telescopic rod 8 and a supporting connecting plate 710 fixedly mounted on the fixed driving disk 9; the fixed gas cylinder 72 is fixedly mounted on the lower end of the fixed mounting plate 71, and an internal cavity 713 is provided inside the fixed gas cylinder 72, and an internal piston plate 712 is slidably connected to the internal cavity 713. One end of the internal piston plate 712 is fixedly connected to the mobile long rod 711, and the end of the mobile long rod 711 away from the internal piston plate 712 is fixedly connected to the supporting connecting plate 710, and the mobile long rod 711 moves together with the fixed driving disk 9;

[0049] An air intake connecting pipe 73 is connected to the fixed air storage cylinder 72, and a one-way air intake valve 74 is provided on the air intake connecting pipe 73. An air outlet connecting pipe 75 is connected to the fixed air storage cylinder 72, and a one-way air outlet valve 76 is provided on the air outlet connecting pipe 75. The air outlet connecting pipe 75 is connected to the annular jet connecting pipe 78, and a plurality of inner jet heads 79 are connected to the annular jet connecting pipe 78. The air outlet connecting pipe 75 is fixedly installed inside the outer protective shell 3 through a fixed mounting block 77.

[0050] refer to Figure 2 、 Figure 3 and Figure 6 It is understood that a fixed support plate 2 is fixedly provided on the top of the external protective shell 3, and the fixed support plate 2 is fixedly arranged with the driving mechanical arm 1. An air intake box body 10 is provided on the top of the external protective shell 3, and a connecting filter plate 11 is provided on the air intake box body 10. The end of the air intake connecting pipe 73 away from the fixed air cylinder 72 is connected to the air intake box body 10, and a vacuum cleaner 12 is fixedly installed on the external protective shell 3. The vacuum cleaner 12 is the existing technology. A dust suction port 13 is provided on the vacuum cleaner 12, which is used to suck dust into the vacuum cleaner 12 through the dust suction port 13.

[0051] A method for using a positioning and feeding device during installation of a power chip, the method comprising the following steps:

[0052] Step 1: When the chip suction cup 51 is not in use, the electric telescopic rod 8 is controlled to retract, and the electric telescopic rod 8 drives the suction cup connecting tube 5 and the chip suction cup 51 to move into the outer protective shell 3, and the fixed driving plate 9 follows the suction cup connecting tube 5 to move into the outer protective shell 3;

[0053] Step 2: By cooperating with the fixed driving disk 9 and the cooperating cleaning mechanism 7, the gas can be finally ejected through the multiple inner nozzles 79. The suction cup connecting tube 5 and the chip suction cup 51 successively pass through the annular jet connecting tube 78. The gas ejected from the inner nozzles 79 cleans the dust on the suction cup connecting tube 5 and the chip suction cup 51. At this time, the vacuum cleaner 12 is turned on to further process the blown dust.

[0054] Step three: When the fixed driving disk 9 continues to move upward following the suction cup connecting tube 5, the fixed driving disk 9 contacts the sliding connecting plate 62 through the cooperation between the fixed driving disk 9 and the cooperating driving mechanism 6, and drives the movable square plate 61 to move upward. When the movable square plate 61 moves upward, the driving connecting plate 63 drives the two folding connecting plates 64 to approach each other, and then drives the two sliding baffle plates 4 to approach and contact each other, thereby achieving the blocking of the lower end of the external protective shell 3.

[0055] In actual use, when the chip suction cup 51 is not in use, the electric telescopic rod 8 is controlled to retract, and the electric telescopic rod 8 drives the suction cup connecting tube 5 and the chip suction cup 51 to move into the outer protective shell 3, and the fixed driving plate 9 follows the suction cup connecting tube 5 to move into the outer protective shell 3. Figure 10As shown, the fixed driving disk 9 drives the moving long rod 711 to move upward, and the moving long rod 711 drives the internal piston plate 712 to move upward. The internal piston plate 712 outputs the gas inside the internal cavity 713 through the gas outlet connecting pipe 75 to the annular jet connecting pipe 78, and the gas is finally ejected through multiple inner nozzles 79, and the suction cup connecting pipe 5 and the chip suction cup 51 pass through the annular jet connecting pipe 78 in succession. The gas ejected by the inner nozzle 79 cleans the dust on the suction cup connecting pipe 5 and the chip suction cup 51. At this time, the vacuum cleaner 12 is turned on to further process the blown dust. When the fixed driving disk 9 continues to move upward following the suction cup connecting pipe 5, the fixed driving disk 9 contacts the sliding connecting plate 62 and drives the moving square plate 61 to move upward. When the moving square plate 61 moves upward, the driving connecting plate 63 drives the two folding connecting plates 64 to approach each other, and then drives the two sliding baffles 4 to approach and contact each other, thereby achieving sealing of the lower end of the external protective shell 3. When the chip suction cup 51 is used, the suction cup connecting tube 5 and the chip suction cup 51 are moved downward by the electric telescopic rod 8, and the fixed driving plate 9 follows the suction cup connecting tube 5 to move downward, and the fixed driving plate 9 drives the moving long rod 711 to move downward, and the moving long rod 711 drives the internal piston plate 712 to move downward, forming a negative pressure inside the internal cavity 713, and the gas enters the internal cavity 713 through the air intake connecting tube 73, and filters the gas through the connecting filter plate 11 to reduce dust in the gas. When the fixed driving plate 9 moves downward, under the elastic action of the return spring 66, the movable square plate 61 is reset, driving the two folding connecting plates 64 away from each other, and then driving the two sliding baffles 4 away from each other, so that the suction cup connecting tube 5 and the chip suction cup 51 can extend out of the external protective shell 3, which is convenient for the operation of the chip suction cup 51.

[0056] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A positioning and feeding device for a power chip during installation, comprising a driving mechanical arm, characterized in that: Also includes: A suction cup connecting tube is used to connect the chip suction cup, and a fixed driving disk is fixedly installed on the suction cup connecting tube; An external protective shell is installed on the driving robot arm and is used to protect the suction cup connecting pipe and the chip suction cup. Two sliding baffles are slidably provided at the lower end of the external protective shell; Cooperating with the driving mechanism, it is arranged on the external protective shell and is arranged in cooperation with the fixed driving disk; An electric telescopic rod is installed in the outer protective shell and is used to drive the chip suction cup to extend out of the outer protective shell; Cooperating with the cleaning mechanism, it is arranged on the external protective shell and is arranged in cooperation with the fixed driving disk; When the electric telescopic rod drives the suction cup connecting tube and the chip suction cup to move toward the inside of the external protective shell, the fixed driving plate moves along with the suction cup connecting tube, and the fixed driving plate drives the coordinated cleaning mechanism to operate, so as to perform air jet cleaning on the suction cup connecting tube and the chip suction cup. The fixed driving plate cooperates with the coordinated driving mechanism to drive the sliding baffle to seal the external protective shell. The mating drive mechanism includes a folding connecting plate slidably mounted on the outer protective shell, the folding connecting plate is used to drive the sliding baffle to move, the folding connecting plate is slidably connected to a limited sliding rod, and the limited sliding rod is provided with a return spring for driving the sliding baffle to return to its original position; The cooperating cleaning mechanism includes a fixed gas cylinder fixedly mounted on the electric telescopic rod, a mobile long rod fixedly mounted on the fixed driving disk, an annular air-jet connecting pipe through which the suction cup connecting pipe and the chip suction cup pass, and an air outlet connecting pipe for transmitting the gas in the fixed gas cylinder to the annular air-jet connecting pipe; The mating drive mechanism further includes a movable square plate disposed inside the outer protective shell and directly above the fixed drive disk, wherein the fixed drive disk can drive the movable square plate to move upward; A fixed through slot is provided on the movable square plate for the output shaft of the electric telescopic rod to pass through; a sliding connecting plate is fixedly installed on the movable square plate; the sliding connecting plate is slidably connected to the inside of the external protective shell; one end of the movable square plate is hinged to a driving connecting plate; the other end of the driving connecting plate is hinged to one end of the folding connecting plate.

2. A positioning and feeding device for power chip installation according to claim 1, characterized in that: One end of the limiting sliding rod is fixedly connected to the external protective shell, one end of the reset spring is fixedly connected to the external protective shell, the other end of the reset spring is fixedly connected to the folding connecting plate, and the lower end of the folding connecting plate is fixedly connected to the sliding baffle.

3. The positioning and feeding device for power chip installation according to claim 2, characterized in that: The cooperative cleaning mechanism also includes a fixed mounting plate fixedly mounted on the electric telescopic rod and a supporting connecting plate fixedly mounted on the fixed driving disk; The fixed air cylinder is fixedly mounted on the lower end of the fixed mounting plate. An internal cavity is provided inside the fixed air cylinder. An internal piston plate is slidably connected to the internal cavity. One end of the internal piston plate is fixedly connected to a movable long rod. The end of the movable long rod away from the internal piston plate is fixedly connected to the supporting connecting plate. The movable long rod moves with the fixed driving disk.

4. The positioning and feeding device for installing a power chip according to claim 3, characterized in that: The fixed air cylinder is connected to an air intake connecting pipe, and a one-way air intake valve is provided on the air intake connecting pipe. The fixed air cylinder is connected to an air outlet connecting pipe, and a one-way air outlet valve is provided on the air outlet connecting pipe. The air outlet connecting pipe is connected to an annular air jet connecting pipe, and a plurality of inner air jet heads are connected to the annular air jet connecting pipe. The air outlet connecting pipe is fixedly installed inside the external protective shell through a fixed mounting block.

5. The positioning and feeding device for power chip installation according to claim 4, characterized in that: A fixed support plate is fixedly provided on the top of the external protective shell, and the fixed support plate is fixed to the driving mechanical arm. An air intake box body is provided on the top of the external protective shell, and a connecting filter plate is provided on the air intake box body. The end of the air intake connecting pipe away from the fixed air cylinder is connected to the air intake box body.

6. A positioning and feeding device for power chip installation according to claim 5, characterized in that: A vacuum cleaner is fixedly mounted on the external protective shell, and a dust suction port is provided on the vacuum cleaner for sucking dust into the vacuum cleaner through the dust suction port.

7. The method for using the positioning and feeding device during the installation of a power chip according to any one of claims 1 to 6, characterized in that: The method comprises the following steps: Step 1: When the chip suction cup is not in use, the electric telescopic rod is controlled to retract, and the electric telescopic rod drives the suction cup connecting tube and the chip suction cup to move into the outer protective shell. The fixed drive plate follows the suction cup connecting tube to move into the outer protective shell. Step 2: By cooperating with the fixed driving disk and the cleaning mechanism, the gas can be finally ejected through multiple inner nozzles. The suction cup connecting tube and the chip suction cup pass through the annular jet connecting tube in turn. The gas ejected from the inner nozzles cleans the dust on the suction cup connecting tube and the chip suction cup. At this time, the vacuum cleaner is turned on to further process the blown dust. Step three: When the fixed driving plate continues to move upward following the suction cup connecting tube, the fixed driving plate contacts the sliding connecting plate through the cooperation of the fixed driving plate and the cooperating driving mechanism, and drives the movable square plate to move upward. When the movable square plate moves upward, the driving connecting plate drives the two folding connecting plates to approach each other, and then drives the two sliding baffle plates to approach and contact each other, thereby sealing the lower end of the external protective shell.

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