Vacuum suction pen

Abstract

The utility model discloses a vacuum suction pen which comprises a pen holder body and a suction head, and a front cavity and a rear cavity are arranged in the pen holder body. The front cavity is provided with an adsorption channel and an air release channel, and the air release channel is communicated with the adsorption channel; the adsorption head is provided with an adsorption cavity, the adsorption head is provided with an adsorption opening, and the adsorption cavity is communicated with the adsorption opening; one end of the pen holder body is provided with a first connector, the first connector comprises an annular clamping groove and a positioning boss, at least two elastic buckles are arranged in the annular clamping groove, and one end of the adsorption head is provided with a second connector; the second connector comprises an annular protrusion matched with the annular clamping groove, a positioning groove matched with the positioning boss and a clamping groove matched with the elastic buckle. When the second connector is connected with the first connector, the operation efficiency can be improved, the operation interruption can be reduced, the adaptability is wide, and the accurate grabbing and transferring operation of the chip can be ensured.

Description

Technical Field

[0001] This utility model relates to a vacuum suction pen, belonging to the technical field of chip testing equipment. Background Technology

[0002] Currently, vacuum pens are widely used as key components in the automated inspection and sorting of semiconductor chips for precise chip gripping and transfer. A search revealed a Chinese patent, CN217214677U, which discloses a vacuum pen. In this patent, before use, the operator adjusts the flashlight to a suitable angle using a flexible tube to focus the light on the suction nozzle area. After turning on the flashlight, the operator holds the pen with one hand. When the suction nozzle contacts the target chip, the light continuously illuminates its surface information. The operator triggers vacuum suction by pressing a pneumatic button or manually pressing a rubber bulb, accurately picking up the chip under stable lighting. However, this patent suffers from several drawbacks. The flexible tube and flashlight are prone to collision and interference in confined spaces. Furthermore, manual light source adjustment requires frequent interruptions to the operation, affecting sorting efficiency, and there is glare interference in strong light environments. Additionally, the fixed suction nozzle offers poor adaptability to chips of different sizes. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to overcome the defects of the prior art and provide a vacuum pen that can improve operating efficiency, reduce operation interruption, has wide adaptability, and can ensure accurate chip gripping and transfer.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is: a vacuum suction pen, comprising:

[0005] The pen body has a front cavity and a rear cavity.

[0006] The front cavity is provided with an adsorption channel and a venting channel, and the venting channel is connected to the adsorption channel.

[0007] An adsorption head is provided with an adsorption cavity and an adsorption port, and the adsorption cavity and the adsorption port are connected in communication.

[0008] One end of the pen body is provided with a first connector, the first connector including an annular groove and a positioning boss, the annular groove is provided with at least two elastic buckles, one end of the suction head is provided with a second connector, the second connector including an annular protrusion adapted to the annular groove, a positioning groove adapted to the positioning boss and a snap-fit ​​groove that cooperates with the elastic buckles.

[0009] When the second connector is connected to the first connector, the annular protrusion is embedded in the annular slot, the elastic buckle is engaged in the snap-fit ​​groove for axial locking, the positioning boss is inserted into the positioning groove for circumferential limiting, and the adsorption cavity is connected to the adsorption channel.

[0010] Furthermore, in order to quickly release the pressure inside the adsorption head and thus quickly disconnect the adsorption connection with the chip, the surface of the pen body is provided with a vent, which is connected to the venting channel.

[0011] Furthermore, in order to precisely control the adsorption force, a vacuum pump is installed in the rear cavity, and the vacuum pump is connected to the adsorption channel.

[0012] Furthermore, for automated operation, a vacuum pen also includes a control board installed in the rear cavity. The control board is electrically connected to the vacuum pump and is adapted to control the opening and closing of the vacuum pump.

[0013] Furthermore, an electromagnetic valve is provided between the adsorption channel and the venting channel. The electromagnetic valve is electrically connected to the control board and is adapted to control the gas flow between the adsorption channel and the venting channel in order to control the adsorption and release of the vacuum pen.

[0014] Furthermore, to improve the usability and portability of the device, a vacuum pen also includes a power module installed in the rear cavity. The power module is electrically connected to the control board and is adapted to provide power to the vacuum pump and the control board.

[0015] Furthermore, a charging interface is provided at one end of the pen body near the rear cavity. The charging interface is electrically connected to the power module and is adapted to charge the power module through an external power source.

[0016] Furthermore, the pen body surface is also provided with a switch button, which is electrically connected to the control board. By operating the switch button, the opening and closing of the vacuum pump and the solenoid valve can be controlled.

[0017] After adopting the above technical solution, this utility model has the following beneficial effects:

[0018] 1. In this utility model, the second connector of the adsorption head is inserted into the first connector of the pen body. The air passage is connected by the embedding of the annular protrusion and the annular groove. The axial locking is completed by the cooperation of the elastic buckle and the locking groove. The insertion of the positioning boss and the positioning groove ensures circumferential alignment, so that the adsorption cavity and the adsorption channel are precisely connected.

[0019] Press the switch button, and the control board will start the vacuum pump after receiving the signal. At the same time, close the solenoid valve (cut off the connection between the venting channel and the adsorption channel). The vacuum pump will draw air from the adsorption chamber through the adsorption channel to form a negative pressure. After the adsorption port comes into contact with the target chip, a vacuum adsorption force will be generated to complete the chip gripping and move or perform other operations on the chip.

[0020] Press the switch button again, and the control board will turn off the vacuum pump and open the solenoid valve, connecting the venting channel and the adsorption channel. External air enters the venting channel through the vent, flows into the adsorption channel and adsorption chamber through the solenoid valve, quickly balances the internal and external pressures, the vacuum adsorption force disappears, and the chip is released.

[0021] 2. In this embodiment, when operating chips of different specifications, the adsorption head can be plugged in and unplugged. The modular design of the first connector and the second connector enables quick replacement, which significantly improves the versatility of the equipment. Attached Figure Description

[0022] Figure 1 This is a three-dimensional view of a vacuum pen according to the present invention;

[0023] Figure 2 This is a front view of a vacuum pen according to the present invention;

[0024] Figure 3 This is a full sectional view of a vacuum suction pen according to the present invention;

[0025] Figure 4 This is a schematic diagram showing the connection between the first connector and the second connector of this utility model. Detailed Implementation

[0026] To make the contents of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0027] like Figure 1-4 As shown, a vacuum pen includes:

[0028] The pen body 1 has a front cavity 11 and a rear cavity 12.

[0029] The front cavity 11 is provided with an adsorption channel and a venting channel, and the venting channel is connected to the adsorption channel;

[0030] Adsorption head 2, the adsorption head 2 is provided with an adsorption cavity 21, the adsorption head 2 is provided with an adsorption port 22, and the adsorption cavity 21 and the adsorption port 22 are connected.

[0031] One end of the pen body 1 is provided with a first connector, which includes an annular groove 31 and a positioning boss 32. The annular groove 31 is provided with at least two elastic buckles 33. One end of the suction head 2 is provided with a second connector, which includes an annular protrusion 41 that matches the annular groove 31, a positioning groove 42 that matches the positioning boss 32, and a snap-fit ​​groove that cooperates with the elastic buckles 33.

[0032] When the second connector is connected to the first connector, the annular protrusion 41 is embedded in the annular slot 31, the elastic buckle 33 is engaged in the snap-fit ​​groove to lock axially, the positioning boss 32 is inserted into the positioning groove 42 to limit circumferentially, and the adsorption cavity 21 is connected to the adsorption channel.

[0033] In this embodiment, the adsorption heads 2 of different specifications can be quickly replaced by setting the first connector and the second connector.

[0034] Specifically, such as Figure 1-3 As shown, the pen body 1 has a vent 5 on its surface, and the vent 5 is connected to the venting channel.

[0035] Specifically, such as Figure 3 As shown, a vacuum pump is installed in the rear cavity 12, and the vacuum pump is connected to the adsorption channel.

[0036] Specifically, such as Figure 3 As shown, a vacuum suction pen also includes a control board 6, which is installed in the rear cavity 12. The control board 6 is electrically connected to the vacuum pump and is adapted to control the opening and closing of the vacuum pump.

[0037] Specifically, such as Figure 3 As shown, a solenoid valve 7 is provided between the adsorption channel and the venting channel. The solenoid valve 7 is electrically connected to the control board 6. The solenoid valve 7 is suitable for controlling the gas flow between the adsorption channel and the venting channel in order to control the adsorption and release of the vacuum pen.

[0038] Specifically, such as Figure 3 As shown, a vacuum pen also includes a power module 81, which is installed in the rear cavity 12 and electrically connected to the control board 6. The power module 81 is adapted to provide power to the vacuum pump and the control board 6.

[0039] Specifically, such as Figure 3 As shown, a charging interface 82 is provided at one end of the pen body 1 near the rear cavity 12. The charging interface 82 is electrically connected to the power module 81, and the charging interface 82 is adapted to charge the power module 81 through an external power source.

[0040] Specifically, such as Figure 1-3As shown, the pen body 1 is also provided with a switch button 9 on its surface. The switch button 9 is electrically connected to the control board 6. The opening and closing of the vacuum pump and the solenoid valve 7 can be controlled by operating the switch button 9.

[0041] In this embodiment, the second connector of the adsorption head 2 is inserted into the first connector of the pen body 1. The air passage is connected by the embedding of the annular protrusion 41 and the annular groove 31. The elastic buckle 33 and the locking groove cooperate to complete the axial locking. The insertion of the positioning boss 32 and the positioning groove 42 ensures circumferential alignment, so that the adsorption cavity 21 and the adsorption channel are precisely connected.

[0042] Pressing the switch button 9, the control board 6 receives the signal and starts the vacuum pump, while closing the solenoid valve 7 (cutting off the connection between the venting channel and the adsorption channel). The vacuum pump draws air from the adsorption chamber 21 through the adsorption channel to form a negative pressure. After the adsorption port 22 comes into contact with the target chip, it generates a vacuum adsorption force, completes the chip grabbing, and moves or performs other operations on the chip.

[0043] Press the switch button 9 again, and the control board 6 will turn off the vacuum pump and open the solenoid valve 7, connecting the venting channel and the adsorption channel. External air enters the venting channel through the vent 5, flows into the adsorption channel and adsorption chamber 21 through the solenoid valve 7, quickly balances the internal and external pressures, the vacuum adsorption force disappears, and the chip is released.

[0044] The specific embodiments described above further illustrate the technical problems, technical solutions, and beneficial effects of this utility model. It should be understood that the above descriptions are merely specific embodiments of this utility model and are not intended to limit this utility model. 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 vacuum suction pen, characterized by, The utility model relates to a kind of vacuum suction pens, including: Pen barrel body (1), front cavity (11) and rear cavity (12) are equipped in the pen barrel body (1); The front cavity (11) is equipped with suction passage and air release passage, and the air release passage is communicated with the suction passage; Suction head (2), the suction head (2) is equipped with suction cavity (21), and the suction head (2) is equipped with suction port (22), and the suction cavity (21) is communicated with the suction port (22); One end of the pen barrel body (1) is equipped with first connector, and the first connector includes annular clamping groove (31) and positioning boss (32), at least two elastic buckles (33) are equipped in the annular clamping groove (31), one end of the suction head (2) is equipped with second connector, and the second connector includes annular protrusion (41) matched with the annular clamping groove (31), positioning groove (42) matched with the positioning boss (32) and clamping groove matched with the elastic buckle (33); When the second connector is connected with the first connector, the annular protrusion (41) is embedded in the annular clamping groove (31), the elastic buckle (33) is clamped in the clamping groove to be locked axially, the positioning boss (32) is inserted into the positioning groove (42) to be circumferentially limited, and the suction cavity (21) is communicated with the suction passage.

2. The vacuum suction pen according to claim 1, wherein: The surface of the pen barrel body (1) is provided with an air release port (5), and the air release port (5) is communicated with the air release passage.

3. The vacuum suction pen according to claim 1, wherein: The rear cavity (12) is provided with a vacuum air pump, and the vacuum air pump is communicated with the suction passage.

4. The vacuum suction pen according to claim 3, further comprising a control board (6) installed in the rear cavity (12), wherein the control board (6) is electrically connected with the vacuum air pump, and the control board (6) is adapted to control the opening and closing of the vacuum air pump.

5. The vacuum suction pen according to claim 4, wherein an electromagnetic valve (7) is arranged between the suction passage and the air release passage, the electromagnetic valve (7) is electrically connected with the control board (6), and the electromagnetic valve (7) is adapted to control the gas flow between the suction passage and the air release passage so as to control the suction and release of the vacuum suction pen.

6. The vacuum suction pen according to claim 5, further comprising a power module (81) installed in the rear cavity (12), wherein the power module (81) is electrically connected with the control board (6), and the power module (81) is adapted to provide power supply for the vacuum air pump and the control board (6).

7. The vacuum suction pen according to claim 6, wherein the pen barrel body (1) is provided with a charging interface (82) near one end of the rear cavity (12), the charging interface (82) is electrically connected with the power module (81), and the charging interface (82) is adapted to charge the power module (81) through an external power supply. ​ ​ ​ ​ 8. The vacuum suction pen according to claim 5, characterized in that: The surface of the pen body (1) is further provided with a switch button (9), the switch button (9) is electrically connected with the control board (6), and the opening and closing of the vacuum air pump and the electromagnetic valve (7) can be controlled by operating the switch button (9).

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