Trigger pickup device

Abstract

The present invention provides a trigger-type pickup device, in which one end of an active triggering member is connected to a bottom connecting member, the bottom connecting member can slide relative to a housing, and the active triggering member and the passive triggering member are clearance-matched; a touch-pressure block is fixedly provided at the other end of the active triggering member, the touch-pressure block faces the passive triggering member along a first direction, and a second signal docking member is electrically connected to the passive triggering member; a first connecting member is connected to the housing, a first signal docking member is electrically connected to the touch-pressure block, the first connecting member is connected to the top connecting member, and the bottom connecting member is located on a side of the retractable connecting member facing the first direction; a pressure head is located on a side of the bottom connecting member facing the first direction, and the pressure head is connected to the bottom connecting member; the first signal docking member and the second signal docking member transmit a conduction signal through a conductive material; the trigger-type pickup device is used to determine whether the pressure head has conflicted with an object through the conduction signal. The present invention can improve the sensitivity of the device's conflict sensing.

Description

Technical Field

[0001] The present invention relates to the technical field of integrated circuit packaging, and in particular to a trigger-type pickup device. Background Art

[0002] During the movement of the pressure head, the moving distance of the pressure head needs to be controlled accurately and sensitively to prevent the pressure head from moving too far and exerting too much pressure on the workbench or corresponding components, thereby causing damage thereto.

[0003] In the prior art, a driving command is usually sent to a driving component, so that the driving component directly drives the pressure taking head on the housing to come into contact with the device or the workbench according to the received driving command.

[0004] However, due to the existence of manufacturing errors and assembly errors, the error value of the driving component driving the pressure head to move will increase, which is likely to damage the corresponding components. In particular, during the chip packaging process, it will reduce the chip yield.

[0005] Similarly, when controlling the travel distance of the pressure tap using a distance sensor, the inertia of the tap and the sensitivity of the distance sensor directly affect the error in the tap movement. This not only requires considering the effect of inertia on the tap's travel distance, but also places high demands on the sensitivity of the distance sensor, increasing the production cost and investment of the pressure tap device equipped with the tap. Summary of the Invention

[0006] In order to solve the above problems, the trigger-type picking device provided by the present invention, by setting a contact block and a passive trigger part, can transmit the conductive signal between the first signal docking part and the second signal docking part when the pressure head does not conflict with the object along the first direction during the movement; when the pressure head conflicts with the object along the first direction during the movement, the transmission of the conductive signal between the first signal docking part and the second signal docking part is disconnected, so that the trigger-type picking device can quickly determine whether the pressure head conflicts with the object along the first direction, thereby improving the sensitivity of the conflict sensing of the trigger-type picking device.

[0007] The present invention provides a trigger-type pickup device, comprising: a housing, a first signal docking member, a second signal docking member, a pressure-taking head, an active triggering member, a passive triggering member, a bottom connecting member, and a first connecting member;

[0008] The active triggering member and the passive triggering member are both located in the housing, the bottom connecting member is located on a side of the passive triggering member facing the first direction, the bottom connecting member can slide relative to the housing, one end of the active triggering member is connected to the bottom connecting member, the other end of the active triggering member passes through the passive triggering member, and the active triggering member and the passive triggering member are clearance-fitted;

[0009] A contact block is fixedly provided at the other end of the active trigger member, and the contact block and the passive trigger member are both made of conductive materials. The contact block faces the passive trigger member along a first direction, and the contact block is in contact with the passive trigger member. The second signal docking member is electrically connected to the passive trigger member.

[0010] The first connecting member is connected to the housing, and the first signal docking member is electrically connected to the contact block;

[0011] The pressure taking head is located on one side of the bottom connecting member facing the first direction, and the pressure taking head is connected to the bottom connecting member;

[0012] The first signal docking member and the second signal docking member transmit a conduction signal by contacting the touch block and the passive triggering member;

[0013] The trigger-type pickup device is used to determine whether the pressure taking head collides with the object along the first direction through the conductive signal between the first signal docking member and the second signal docking member.

[0014] Optionally, the trigger-type pickup device further comprises: an insulating sleeve, a retractable connector, and a top connector;

[0015] The passive triggering member is located in the insulating sleeve, the other end of the active triggering member is inserted into the insulating sleeve, the insulating sleeve is connected to the top connecting member, the first connecting member is connected to the top connecting member, the retractable connecting member is located on a side of the top connecting member facing the first direction, the bottom connecting member is located on a side of the retractable connecting member facing the first direction, and the retractable connecting member can be retracted along the first direction;

[0016] The active triggering member, the bottom connecting member, the retractable connecting member, the top connecting member and the first connecting member are all made of conductive materials;

[0017] The insulating sleeve is made of insulating material;

[0018] The first signal docking member is fixedly connected to the first connecting member, and the first signal docking member is electrically connected to the first connecting member.

[0019] Optionally, the retractable connecting member is a cylindrical structure that is retractable relative to the first direction and has closed side walls;

[0020] The two opposite ends of the retractable connecting member are sealedly connected to the top connecting member and the bottom connecting member respectively;

[0021] The retractable connecting member is sleeved on the outer peripheral side of the active triggering member.

[0022] Optionally, the trigger-type pickup device further comprises: a second connecting member;

[0023] The second connector is located on one side of the first connector facing the first direction, the insulating sleeve is located on one side of the second connector facing the first direction, the second connector is connected to the first connector, and the second signal docking member is connected to the second connector.

[0024] Optionally, a avoidance hole is formed at one end of the second connecting member facing the first direction, the avoidance hole is facing the active trigger member and the contact block along the first direction, and the size of the avoidance hole is adapted to the active trigger member and the contact block.

[0025] Optionally, the insulating sleeve includes: an insulating cylinder and an insulating support ring;

[0026] The insulating cylinder is connected to the top connector, the insulating support ring is located in the insulating cylinder, the insulating support ring is fixedly connected to the insulating cylinder, and the passive trigger is located on a side of the insulating support ring away from the bottom connector.

[0027] Optionally, the trigger-type pickup device further comprises: an inner shaft, a fixed air inlet end, and a third air pipe;

[0028] One end of the inner shaft is fixedly connected to the bottom connecting member, the other end of the inner shaft is fixedly connected to the pressure taking head, and the inner shaft is slidably connected to the housing along the linear direction where the first direction is located;

[0029] The telescopic connecting member is provided with a telescopic chamber inside, the bottom connecting member is provided with an air supply duct, and the inner shaft is further provided with a third ventilation duct, one end of the air supply duct is communicated with the third ventilation duct, and the other end of the air supply duct is communicated with the telescopic chamber, the third air pipe is communicated with the third ventilation duct, and the third air pipe is communicated with the air inlet fixed end;

[0030] The air inlet fixed end is used to introduce positive pressure into the telescopic chamber through the third air pipe, so as to apply a force toward the first direction to the bottom connecting member.

[0031] Optionally, the trigger-type pickup device further comprises: a second air pipe;

[0032] An adsorption channel is provided in the pressure taking head, and a second ventilation channel is provided in the inner shaft. The second ventilation channel is connected to the adsorption channel and the second air pipe, and the second air pipe is connected to the air inlet fixed end.

[0033] The fixed end is used to provide negative pressure to the second air pipe;

[0034] The pressure taking head passes through the negative pressure adsorption device in the adsorption channel.

[0035] Optionally, the trigger-type picking device further comprises: a first air pipe;

[0036] A first ventilation duct is provided in the inner shaft, one end of the first ventilation duct is communicated with the bonding head, the first air pipe is communicated with the air inlet fixed end, one end of the first ventilation duct is communicated with the first air pipe, and the other end of the first ventilation duct is communicated with the pressure taking head;

[0037] The air intake fixed end is used to ventilate and dissipate heat for the pressure taking head through the first air pipe and the first ventilation duct.

[0038] Optionally, the trigger-type pickup device further comprises: a rotation drive assembly;

[0039] The rotation drive assembly is connected to the inner shaft, and is used for driving the pressure taking head to rotate relative to a first direction via the inner shaft.

[0040] Optionally, the trigger-type picking device further comprises: a lifting drive assembly;

[0041] The lifting drive assembly is connected to the casing, and the lifting drive assembly is used to drive the pressure head to move along the linear direction where the first direction is located through the casing.

[0042] The trigger-type pickup device provided by the embodiment of the present invention, by providing a touch-pressure block and a passive triggering member, can make the touch-pressure block collide with the passive triggering member under the action of gravity or other insulating elastic members when the pressure taking head does not collide with the object along the first direction during movement, thereby making the first signal docking member and the second signal docking member conductive, and the conductive signal can be transmitted, so that when the trigger-type pickup device determines that the conductive signal can be transmitted between the first signal docking member and the second signal docking member, it can determine that the pressure taking head has not collided with the object along the first direction; and when the pressure taking head collides with the object along the first direction during movement, it can disconnect the transmission of the conductive signal between the first signal docking member and the second signal docking member, thereby disconnecting the electrical connection between the first signal docking member and the second signal docking member, that is, stopping the transmission of the conductive signal, so that when the trigger-type pickup device determines that the conductive signal cannot be transmitted between the first signal docking member and the second signal docking member, it can determine that the pressure taking head has collided with the object along the first direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 A partial cross-sectional view of a trigger-type pickup device according to an embodiment of the present application;

[0044] Figure 2 This is a structural diagram of a trigger-type pickup device according to an embodiment of the present application;

[0045] Figure 3 This is a structural diagram of a trigger-type pickup device according to an embodiment of the present application;

[0046] Figure 4 A partial cross-sectional view of a trigger-type pickup device according to an embodiment of the present application;

[0047] Figure 5 A partial cross-sectional view of a trigger-type pickup device according to an embodiment of the present application;

[0048] Figure 6 A partial cross-sectional view of a trigger-type pickup device according to an embodiment of the present application;

[0049] Figure 7 A partial cross-sectional view of a pressure tapping head according to an embodiment of the present application;

[0050] Figure 8 This is a structural diagram of a pressure taking head according to an embodiment of the present application;

[0051] Figure 9 This is a structural diagram of a pressure head according to an embodiment of the present application.

[0052] Reference numerals

[0053] 1. Casing; 11. Motor base; 12. Bearing base; 13. Housing; 131. Avoidance; 14. Fixed base; 2. Inner shaft; 21. Shaft body; 22. Connector; 221. Connecting part; 222. Docking part; 223. Heat dissipation part; 23. Sealing plug; 241. First ventilation duct; 2411. Shaft ventilation duct; 2412. Head ventilation duct; 242. Second ventilation duct; 243. Third ventilation duct; 3. Pressure head; 31. Suction nozzle; 311. Suction end; 312. First connection end; 313, adsorption channel; 314, heat conducting plate; 32, heat conducting sleeve; 321, second connecting end; 322, heat conducting end; 323, first connecting hole; 33, heat insulating sleeve; 331, ventilation slot; 332, plug-in compartment; 333, clamp opening; 334, second connecting hole; 335, third connecting hole; 34, heating plate; 35, pressing assembly; 351, pressing screw; 352, insulating sheet; 353, corrugated washer; 361, first fixing member; 362, second fixing member; 3 63. Preload member; 364. First sealing member; 365. Second sealing member; 366. Positioning sleeve; 3661. Positioning opening; 367. Positioning rod; 37. Thermocouple metal head; 41. Bottom connector; 411. Air duct; 42. Telescopic connector; 421. Telescopic chamber; 43. Top connector; 51. Active trigger member; 52. Contact block; 53. Passive trigger member; 54. Insulation sleeve; 541. Insulation cylinder; 542. Insulation support ring; 55. First connector; 55 1. Storage groove; 56. Second connecting piece; 561. Avoidance hole; 57. Air intake fixed end; 58. First air pipe; 59. Second air pipe; 510. Third air pipe; 511. First signal docking piece; 512. Second signal docking piece; 513. Ball bearing; 514. Sealing sleeve; 5141. First air duct; 5142. Second air duct; 5143. Third air duct; 515. Connecting block; 6. Connecting sleeve; 61. Supporting ring; 62. Heat dissipation hole; 7. Rotary drive assembly. DETAILED DESCRIPTION

[0054] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. 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 shall fall within the scope of protection of the present invention.

[0055] It should be noted that, in the present invention, relational terms such as first and second, etc. are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0056] In addition, a rotational connection relative to a certain direction is a rotational connection perpendicular to that direction; a sliding connection relative to a certain direction is a sliding connection along a straight line in which a certain direction is located; a detachable fixed connection between objects includes: a connection method in which two objects are inserted through a positioning rod, a connection method in which two objects are fixed by screws, a connection method in which two objects are fixed by threads, and a connection method in which two objects are fixed by elastic clips, etc. The specific method adopted can be screened or adjusted according to the actual scenario.

[0057] This embodiment provides a trigger pickup device, combined with Figure 1 、 Figure 2 and Figure 3 The trigger-type pickup device includes: a rotation drive assembly 7, a housing 1, an air inlet fixed end 57, a first air pipe 58, a second air pipe 59, a third air pipe 510, a first signal docking member 511, a second signal docking member 512, an inner shaft 2, a pressure taking head 3, an active trigger member 51, a passive trigger member 53, a bottom connecting member 41, an insulating sleeve 54, a first connecting member 55 and a second connecting member 56.

[0058] The housing 1 includes a motor seat 11, a bearing seat 12, a shell 13 and a fixing seat 14; the pressure head 3 can be a thermal pressure head, a bonding head or a manipulator, etc., and can take, place and press components in a first direction.

[0059] In this embodiment, the first direction is the downward direction, but is not limited thereto; the pressure head 3 is a bonding head, and is used to take, place, and press down the chip; the first connecting member 55 is a motor connecting seat; and the rotary drive assembly 7 is a rotary motor. The air intake fixed end 57 is provided on the housing 1, and the air intake fixed end 57 is respectively connected to the first air pipe 58, the second air pipe 59, and the third air pipe 510 to introduce three-way air into the inner shaft 2. The rotary motor is fixed above the motor seat 11, and the motor seat 11 is located above the bearing seat 12. The bearing seat 12 is located below the motor seat 11, and the housing 13 is located below the bearing seat 12. The motor seat 11 is detachably fixedly connected to the bearing seat 12 by screws, the bearing seat 12 is fixedly connected to the housing 13, and the housing 13 is fixedly connected to the housing 1 by the configuration of bolts and nuts. The ball bearing 513 is placed on the top of the bearing seat 12, and the first connecting member 55 passes through the ball bearing 513 from bottom to top and is fixedly connected to the output shaft of the rotating motor, so that the rotating motor can drive the first connecting member 55 to rotate in the horizontal direction.

[0060] Combine Figure 4 and Figure 5 , the passive triggering member 53 is located in the insulating sleeve 54, one end of the active triggering member 51 is connected to the bottom connecting member 41, and the other end of the active triggering member 51 is inserted into the insulating sleeve 54. A touch block 52 is fixedly provided at the other end of the active triggering member 51. The materials of the touch block 52 and the passive triggering member 53 are both conductive materials. The touch block 52 is directed toward the passive triggering member 53 along the first direction, and the touch block 52 is in contact with the passive triggering member 53. The active triggering member 51 and the passive triggering member 53 are both located in the housing 1, and the bottom connecting member 41 is located on the side of the passive triggering member 53 facing the first direction. The bottom connecting member 41 can slide relative to the housing 1, and the second signal docking member 512 is electrically connected to the passive triggering member 53. The first signal docking member 511 is electrically connected to the touch block 52.

[0061] The pressure taking head 3 is located below the bottom connecting member 41, and the pressure taking head 3 is connected to the bottom connecting member 41 through the inner shaft 2; the first signal docking member 511 and the second signal docking member 512 conflict with the passive triggering member 53 through the contact block 52 to transmit the conduction signal; the trigger picking device is used to determine whether the pressure taking head 3 conflicts with the object along the first direction through the conduction signal between the first signal docking member 511 and the second signal docking member 512.

[0062] In the trigger-type pickup device, by setting the contact block 52 and the passive trigger member 53, when the pressure head 3 does not collide with the object along the first direction during its movement, the contact block 52 can collide with the passive trigger member 53 under the action of gravity or other insulating elastic members, thereby making the first signal docking member 511 and the second signal docking member 512 conductive and able to transmit the conductive signal, and then the trigger-type pickup device can determine that the pressure head 3 is moving along the first direction when it determines that the conductive signal can be transmitted between the first signal docking member 511 and the second signal docking member 512. There is no conflict with the object in the first direction; and when the pressure taking head 3 conflicts with the object along the first direction during its movement, the transmission of the conduction signal between the first signal docking component 511 and the second signal docking component 512 is disconnected, thereby disconnecting the electrical connection between the first signal docking component 511 and the second signal docking component 512, that is, stopping the transmission of the conduction signal, and then the trigger-type picking device can determine that the pressure taking head 3 has conflicted with the object along the first direction when it determines that the conduction signal cannot be transmitted between the first signal docking component 511 and the second signal docking component 512.

[0063] Furthermore, the trigger-type picking device further includes: a retractable connecting member 42 and a top connecting member 43 .

[0064] The insulating sleeve 54 is connected to the top connector 43, the first connector 55 is connected to the top connector 43, the retractable connector 42 is located on the side of the top connector 43 facing the first direction, the bottom connector 41 is located on the side of the retractable connector 42 facing the first direction, and the retractable connector 42 is retractable along the first direction. The active trigger 51, the bottom connector 41, the retractable connector 42, the top connector 43 and the first connector 55 are all made of conductive materials; the insulating sleeve 54 is made of insulating material. This embodiment does not specifically limit the conductive and insulating materials. The first signal connector 511 is fixedly connected to the first connector 55, and the first signal connector 511 is electrically connected to the first connector 55.

[0065] The retractable connector 42 is sealed and fixedly connected to the top connector 43 and the bottom connector 41 at its upper and lower ends, respectively. The retractable connector 42 is sleeved onto the outer periphery of the active trigger 51. One end of the first signal interface 511 is threadedly connected to the first connector 55. The other end of the first signal interface 511 extends beyond the first connector 55 and is electrically connected to the signal processing module in the trigger pickup device via a soldered wire.

[0066] A storage groove 551 is provided on the lower surface of the first connector 55. The storage groove 551 is adapted to the second connector 56, and the second connector 56 is fixedly arranged in the storage groove 551. The passive trigger 53 and the insulating sleeve 54 are located directly below the second connector 56, and the top of the insulating sleeve 54 is in conflict with the bottom of the second connector 56; one end of the second connector 56 is bonded to the bottom end of the second connector 56 through a copper column, and the other end of the second connector 56 is vertically downward and inserted into the insulating sleeve 54 to conflict with the passive trigger 53. The top connector 43 is located below the first connector 55; the top connector 43 and the first connector 55 are fixed by screws, and the two are pressed together to form a sealing ring to form a sealed connection.

[0067] Specifically, the insulating sleeve 54 includes an insulating tube 541 and an insulating support ring 542. The insulating tube 541 is sleeved within the top connector 43 and extends vertically through the top connector 43. A folded edge is provided at the top of the insulating sleeve 544. The top connector 43 supports the insulating tube 541 upward via the folded edge. The insulating support ring 542 and the passive trigger member 53 are both located within the insulating tube 541. The insulating support ring 542 is fixedly connected to the insulating tube 541, and the insulating support ring 542 supports the passive trigger member 53 above it.

[0068] Further, combined Figure 1 and Figure 6 The inner shaft 2 includes a shaft body 21 and a connector 22. The inner shaft 2 is detachably fixedly connected to the pressure head 3 via the connector 22. The connector 22 includes a connecting portion 221, a docking portion 222, and a heat dissipation portion 223.

[0069] The docking portion 222 is located below the connecting portion 221, the heat dissipation portion 223 is located below the docking portion 222, and the pressure head 3 is located below the heat dissipation portion 223. In this embodiment, the connecting portion 221, the docking portion 222, and the heat dissipation portion 223 are integrally formed and fixedly connected. The connecting head 22 is threadedly connected to the shaft body 21 via the connecting portion 221, and the connecting head 22 is welded to the shaft body 21 via the docking portion 222. The connecting head 22 is detachably fixedly connected to the pressure head 3 via the heat dissipation portion 223.

[0070] The bottom end of the bottom connector 41 is threadedly connected to the top end of the shaft 21, and a sealing ring is pressed together between the bottom connector 41 and the shaft 21 to form a sealed connection. Upper and lower bearings are fixedly mounted within the housing 13. The shaft 21 extends vertically through the upper and lower bearings, and the shaft 21 is connected to the housing 13 for horizontal rotation via the upper and lower bearings. In this embodiment, both the upper and lower bearings are ball bushings, enabling a combination of vertical linear and horizontal rotational motion of the inner shaft 2 relative to the housing 13.

[0071] The inner shaft 2 is provided with a ventilation hole along its axial direction, extending through the shaft body 21 and the connector 22. A first ventilation channel 241 is provided at the bottom end of the inner shaft 2. This first ventilation channel 241 is located outside the ventilation hole. In this embodiment, the top end of the first ventilation channel 241 is located within the shaft body 21, and the bottom end of the first ventilation channel 241 extends through the connector 22 to connect with the pressure tap 3. There are two first ventilation channels 241, one on each side of the ventilation hole.

[0072] A sealing plug 23 is fixedly installed in the ventilation hole. The sealing plug 23 is used to divide the ventilation hole into a second ventilation channel 242 and a third ventilation channel 243. Among them, the second ventilation channel 242 is located below the sealing plug 23, and the third ventilation channel 243 is located above the sealing plug 23.

[0073] Furthermore, a sealing sleeve 514 is disposed within the housing 13. The sealing sleeve 514 is securely attached to the circumference of the shaft 21 via set screws. A connecting block 515 is fixedly connected to the outer side of the sealing sleeve 514. A relief opening 131 is defined in the sidewall of the housing 13. The connecting block 515 extends out of the housing 13 through the relief opening 131. The first, second, and third air pipes 58, 59, and 510 are fixedly connected at both ends to the connecting block 515 and the air inlet fixed end 57, respectively.

[0074] The horizontal width of the avoidance opening 131 is greater than the horizontal width of the connecting block 515. In this way, when the rotary motor drives the pressure tapping head 3 to rotate horizontally by a specified angle, the connecting block 515 is prevented from colliding with the housing 13.

[0075] The inner wall of the sealing sleeve 514 is provided with a first air duct 5141, a second air duct 5142, and a third air duct 5143. The first air duct 5141 is connected to the air inlet fixed end 57 via the first air pipe 58, and the first ventilation duct 241 is connected to the first air duct 5141. The second air duct 5142 is connected to the air inlet fixed end 57 via the second air pipe 59, and the second ventilation duct 242 is connected to the second air duct 5142. The third air duct 5143 is connected to the air inlet fixed end 57 via the third air pipe 510, and the third ventilation duct 243 is connected to the third air duct 5143. The first ventilation duct 241 is used to ventilate and dissipate heat for the pressure tapping head 3 via the air inlet fixed end 57.

[0076] Four sealing rings are provided on the inner wall of the sealing sleeve 514, and the four sealing rings are arranged in an interlaced manner relative to the first air duct 5141, the second air duct 5142 and the third air duct 5143. This can improve the sealing performance of the connection between the ventilation duct and the corresponding air duct and ensure the stability of the air pressure.

[0077] Furthermore, the retractable connector 42 can be a resilient connector, such as a spring or a bellows with closed sidewalls. In this embodiment, the first signal connector 511 is a terminal, the second signal connector 512 is a probe, and the passive trigger 53 is a copper pad. The top connector 43 and the bottom connector 41 are the upper and lower flanges of the bellows, respectively. The retractable connector 42 is a bellows, and the internal cavity of the bellows forms a retractable chamber 421.

[0078] The bottom connecting member 41 is provided with an air supply duct 411. One end of the air supply duct 411 is in communication with the third ventilation duct 243, and the other end of the air supply duct 411 is in communication with the telescopic chamber 421. The manner in which the air supply duct 411 is in communication with the telescopic chamber 421 includes: the air supply duct 411 passes through the bottom connecting member 41 and is directly in communication with the telescopic chamber 421, or the other end of the air supply duct 411 passes into the interior of the active trigger member 51 and passes through the side wall or upper surface of the active trigger member 51 to communicate with the telescopic chamber 421. In this embodiment, the other end of the air supply duct 411 passes into the interior of the active trigger member 51 and passes through the upper surface of the active trigger member 51 to communicate with the telescopic chamber 421.

[0079] The lower surface of the second connecting member 56 is provided with an escape hole 561. The escape hole 561 can be a blind hole or a through hole. The downward opening of the escape hole 561 is directly facing the active trigger member 51 and the contact block 52. The size of the escape hole 561 is adapted to the active trigger member 51 and the contact block 52.

[0080] In this embodiment, the avoidance hole 561 is a through hole. The top opening of the avoidance hole 561 is sealed by a sealing screw provided on the first connecting member 55, or a blind hole is provided in the mounting hole connecting the first connecting member 55 to the output shaft of the rotary drive assembly 7, and the first connecting member 55 seals the top opening of the avoidance hole 561 together with a sealing gasket. In this embodiment, the top opening of the avoidance hole 561 is sealed by the first connecting member 55 provided with a sealing screw as an example. In this way, the top of the telescopic chamber 421 can remain sealed under the cover of the first connecting member 55, the second connecting member 56, and the sealing screw. Therefore, when the pressure head 3 moves downward and collides with the chip or the workbench, the pressure head 3 can drive the contact block 52 to move upward through the inner shaft 2, and the avoidance hole 561 can prevent the pressure head 3 from moving downward a large distance, causing the contact block 52 to collide with the second connecting member 56, thereby affecting the movement of the pressure head 3, thereby preventing the pressure head 3 from damaging the chip.

[0081] The fixed air inlet end 57 is used to introduce positive pressure into the telescopic chamber 421 through the third air pipe 510, thereby applying a force in the first direction to the bottom connector 41. When it is not necessary to apply a force in the first direction to the bottom connector 41 through pressure, the fixed air inlet end 57 can also achieve this by reducing the pressure in the third air pipe 510. In this way, the introduction of positive pressure into the telescopic chamber 421 through the fixed air inlet end 57 not only causes the contact block 52 to move from a state of separation from the passive trigger member 53 to a state of contact with the passive trigger member 53, but also increases the pressure applied by the pressure head 3 to the chip when the pressure head 3 contacts the chip.

[0082] The pressure head 3 has an adsorption channel 313 defined within it. The second ventilation channel 242 communicates with one end of the adsorption channel 313, while the other end of the adsorption channel 313 communicates with the lower surface of the pressure head 3. The fixed end is used to provide negative pressure to the second air pipe 59. This allows the pressure head 3 to absorb the chip through the negative pressure in the adsorption channel 313, thereby causing the pressure head 3 to move the chip.

[0083] In this embodiment, the first ventilation duct 241 includes an axial ventilation duct 2411 and a head ventilation duct 2412. The axial ventilation duct 2411 is located on the shaft body 21 and on opposite sides of the second ventilation duct 242. The head ventilation duct 2412 is located on the connector 22. One end of the axial ventilation duct 2411 is connected to one end of the head ventilation duct 2412, and the other end of the axial ventilation duct 2411 is connected to the first air guide duct 5141. The other end of the head ventilation duct 2412 passes through the lower surface of the heat dissipation portion 223 and faces the pressure head 3. The air inlet fixed end 57 is used to ventilate and dissipate heat for the pressure head 3 through the first air pipe 58 and the first ventilation duct 241.

[0084] In this embodiment, the inner shaft 2 is composed of the shaft body 21 and the connector 22. While ensuring the roughness and cylindricity of the shaft body 21, it is also convenient to process the inner shaft 2, thereby reducing the processing cost of the inner shaft 2. In addition, by connecting and fixing the connector 22 to the shaft body 21 in sequence through the docking portion 222 and the connecting portion 221, the shaft ventilation duct 2411 and the head ventilation duct 2412 can be kept conductive. The inner shaft 2 is provided with the first ventilation duct 241, the second ventilation duct 242, and the third ventilation duct 243, which enriches the functions of the trigger-type pickup device, has a high degree of integration, and improves the space utilization of the trigger-type pickup device, thereby enabling more trigger-type pickup devices to be loaded and used in the same space.

[0085] Further, combined Figure 6 and Figure 7 The trigger pickup device further includes a connecting sleeve 6. The top end of the connecting sleeve 6 is sleeved onto the outside of the heat dissipation portion 223 and is threadedly connected to the heat dissipation portion 223. A supporting ring 61 is fixedly disposed within the bottom end of the connecting sleeve 6. The top end of the pressure tap 3 is supported above the supporting ring 61.

[0086] Combine Figure 8 and Figure 9 The pressure head 3 includes: a suction nozzle 31, a heat-conducting sleeve 32, a heat-insulating sleeve 33, a first fixing part 361, a second fixing part 362, a pre-tightening part 363, a first sealing part 364, a second sealing part 365, a heating plate 34 and a pressing assembly 35. The pressing assembly 35 is connected to the bottom end of the heat-insulating sleeve 33, and the pressing assembly 35 is used to make the heating plate 34 contact the heat-conducting sleeve 32. The heating plate 34 is used to generate heat. The heating plate 34 can contact the heat-conducting sleeve 32 through its own lower surface, upper surface or side surface. In this embodiment, the lower surface of the heating plate 34 contacts the heat-conducting sleeve 32.

[0087] The top of the thermal insulation sleeve 33 is supported above the supporting ring 61. A ventilation groove 331 is provided on the upper surface of the thermal insulation sleeve 33. One end of the ventilation groove 331 is connected to the first ventilation duct 241, and the other end of the ventilation groove 331 passes through the outer wall of the thermal insulation sleeve 33. In an optional embodiment, a heat dissipation hole 62 is provided on the side wall of the connecting sleeve 6. The heat dissipation hole 62 is connected to the ventilation groove 331. In this way, the wind blown from the first ventilation duct 241 to the thermal insulation sleeve 33 will take away the heat on the thermal insulation sleeve 33 through the heat dissipation hole 62, thereby preventing the heat from continuing to be conducted upward along the inner shaft 2, so that the precision of the precision components above the pressure head 3 is reduced due to the heat.

[0088] The lower surface of the thermal insulation sleeve 33 is provided with a plug-in compartment 332. The thermally conductive sleeve 32 includes a second connection end 321 and a heat-conducting end 322. The second connection end 321 is plugged into the thermal insulation sleeve 33 via the plug-in compartment 332. The heat-conducting end 322 is located below the second connection end 321. The second connection end 321 and the heat-conducting end 322 are integrally formed and fixedly connected. The heating plate 34 is sleeved around the outer periphery of the second connection end 321, and the upper surface of the heat-conducting end 322 contacts the heating plate 34.

[0089] The heat-conducting sleeve 32 is detachably fixedly connected to the heat-insulating sleeve 33 through the first fixing member 361. The first fixing member 361 can be a screw, a threaded rod, a positioning pin, etc. In this embodiment, the first fixing member 361 is a screw. A clamp opening 333 is provided on the lower surface of the heat-insulating sleeve 33. The first fixing member 361 passes through the clamp opening 333 in the horizontal direction and is threadedly connected to the heat-insulating sleeve 33, so that the first fixing member 361 can clamp the second connection end 321 in the plug-in compartment 332 through the clamp opening 333.

[0090] The suction nozzle 31 includes: an adsorption end 311 and a first connection end 312. The adsorption end 311 is located below the first connection end 312, and the adsorption end 311 and the first connection end 312 are integrally formed and fixedly connected. The heat-conducting sleeve 32 is sleeved on the outer peripheral side of the top end of the first connection end 312, and the first connection end 312 is in contact with the heat-conducting sleeve 32 and connected by sliding up and down. A heat-conducting plate 314 is fixedly provided on the outer peripheral side of the bottom end of the first connection end 312, and the heat-conducting plate 314 is located below the heat-conducting sleeve 32, and the upper surface of the heat-conducting plate 314 is in conflict with the lower surface of the heat-conducting sleeve 32. The adsorption end 311 is located below the heat-conducting plate 314. By providing the heat-conducting plate 314, the contact area between the suction nozzle 31 and the heat-conducting sleeve 32 can be increased, thereby improving the heating efficiency of the suction nozzle 31.

[0091] The suction end 311 is used to communicate with the air intake fixed end 57 through the suction channel 313 to absorb components. The suction channel 313 includes a first suction sub-channel and a second suction sub-channel. The first suction sub-channel is located within the spacer sleeve and extends vertically through the upper surface of the thermal insulation sleeve 33 and communicates with the insertion chamber 332. The second suction sub-channel extends through the upper and lower surfaces of the suction nozzle 31 and communicates with the insertion chamber 332.

[0092] A first connecting hole 323 is defined on the upper surface of the thermal sleeve 32. The first connecting hole 323 extends vertically through the thermal sleeve 32, and the first connecting end 312 is plugged into the thermal sleeve 32 through the first connecting hole 323. The first connecting end 312 fits into the first connecting hole 323. The cross-section of the first connecting end 312 can be circular or a regular polygon. In this embodiment, the first connecting end 312 is circular.

[0093] The first connection end 312 is removably fixedly connected to the thermal sleeve 32 via the second fixing member 362. The second fixing member 362 can be a screw, a threaded rod, a positioning pin, or the like. In this embodiment, the second fixing member 362 is a screw. The second fixing member 362 is threadedly connected to the thermal sleeve 32 in a horizontal direction. One end of the second fixing member 362 that extends into the thermal sleeve 32 contacts the first connection end 312, thereby pressing the first connection end 312 into the first connecting hole 323. The provision of the second fixing member 362 facilitates replacement and maintenance of the suction nozzle 31.

[0094] The outer surface of the thermal insulation sleeve 33 further defines a second communication hole 334. The second communication hole 334 extends vertically through the thermal insulation sleeve 33. In this embodiment, there are two second communication holes 334, one on each side of the insertion compartment 332, but the present invention is not limited thereto.

[0095] The press-fit assembly 35 includes a press-fit screw 351, an insulating sheet 352, and a wave washer 353. The press-fit screw 351 is located at the bottom end of the second connecting hole 334 and is threadedly connected to the thermal insulation sleeve 33 through the second connecting hole 334. The insulating sheet 352 is located below the wave washer 353. The heating plate 34 is located below the insulating sheet 352. The insulating sheet 352 contacts the heating plate 34. The wave washer 353 contacts the insulating sheet 352. The bottom end of the press-fit screw 351 contacts the wave washer 353.

[0096] The second connecting hole 334 facilitates the installation of the compression screw 351 and the adjustment of the distance between the compression screw 351 and the heater 34, thereby facilitating the adjustment of the fit between the heater 34 and the thermal sleeve 32. The elastic wave washer 353 enhances the stability of the fit between the heater 34 and the thermal sleeve 32. The insulating sheet 352 prevents short circuits when the heater 34 is powered.

[0097] One end of the pre-tightening member 363 is located within the first connecting hole 323, and the pre-tightening member 363 is used to horizontally clamp the first connecting end 312. The provision of the pre-tightening member 363 allows the first connecting end 312 to be confined within the first connecting hole 323 before the second fixing member 362 is used to fix the first connecting end 312 within the first connecting hole 323. This eliminates the need to manually control the position of the suction nozzle 31 relative to the thermal sleeve 32 when installing the second fixing member 362, thereby facilitating installation of the second fixing member 362.

[0098] The pre-tightening member 363 can be an elastic card bean or elastic card fixed on the inner wall of the first connecting hole 323, or it can be a ball plunger with one end inserted into the first connecting hole 323. In this embodiment, the pre-tightening member 363 is a ball plunger. Furthermore, a third connecting hole 335 is provided on the outer surface of the heat-insulating sleeve 33 in the horizontal direction. The third connecting hole 335 is connected to the plug-in bin 332. There are multiple third connecting holes 335, and two are taken as an example in this embodiment. The two third connecting holes 335 are relatively arranged at the left and right ends of the heat-insulating sleeve 33. A ball plunger is provided in each third connecting hole 335.

[0099] The ball end of the ball plunger passes through the heat-conducting sleeve 32 and is inserted into the first communication hole 323. The ball plunger is threadedly connected to the heat-insulating sleeve 33 through the third communication hole 335. When the first connecting end 312 is inserted into the first communication hole 323, the ball plunger applies pressure to the ball end through its internal spring, thereby clamping the first connecting end 312 in the first communication hole 323.

[0100] Furthermore, the two third connecting holes 335 are respectively connected to the corresponding second connecting holes 334. There are two first sealing members 364 and two second sealing members 365, and each first sealing member 364 is located at the end of the pressing assembly 35 in a second connecting hole 334 away from the heating plate 34, and each second sealing member 365 is located at the end of the pre-tightening member 363 in a third connecting hole 335 away from the first connecting end 312. The first sealing member 364 is used to seal the second connecting hole 334; the second sealing member 365 is used to seal the third connecting hole 335. By connecting the second connecting hole 334 and the third connecting hole 335, not only can the installation of the first fixing member 361 and the second fixing member 362 be facilitated, but the processing difficulty of the third connecting hole 335 and the second connecting hole 334 can also be reduced. By providing the first sealing member 364 and the second sealing member 365, the airtightness inside the thermal insulation sleeve 33 can be ensured.

[0101] The pressure head 3 also includes: a positioning sleeve 366 and a positioning rod 367. The number of the positioning rod 367 is one, but not limited to this. The positioning rod 367 is detachably fixedly connected to the suction nozzle 31 in the horizontal direction. The positioning sleeve 366 is sleeved on the outer peripheral side of the suction nozzle 31 perpendicular to the up and down directions. A positioning opening 3661 is provided at the downward end of the positioning sleeve 366. The positioning opening 3661 is adapted to the positioning rod 367. There are multiple positioning openings 3661, and multiple positioning openings 3661 are arranged at a specified angle at the bottom end of the positioning sleeve 366. In this embodiment, the positioning sleeve 366 is threadedly connected to the bottom of the heat-conducting sleeve 32; there are two positioning openings 3661, and the angle between the two positioning openings 3661 and the center of the positioning sleeve 366 is ninety degrees.

[0102] By setting the positioning opening 3661 and the positioning rod 367, it is possible to facilitate adjustment of the angle of the suction nozzle 31 relative to the thermal sleeve 32 in the horizontal direction, so that the rotation drive component 7 can adjust the suction nozzle 31 to the required angle by rotating a smaller angle, thereby reducing the swing amplitude of the connecting block 515 in the horizontal direction, reducing the space occupied by the trigger-type picking device, and ensuring the airtightness of the connection between the first air pipe 58, the second air pipe 59 and the third air pipe 510.

[0103] The pick-and-place head has a simple structure, is easy to process and install, and has a heating function, which can vacuum-absorb the chip by the nozzle 31 and heat the chip to the process-specified temperature, thereby enriching the function of the trigger-type pickup device.

[0104] In an optional embodiment, the trigger-type pickup device further includes a lifting drive assembly. The lifting drive assembly is fixedly connected to the fixing base 14. The lifting drive assembly is used to drive the pressure head 3 to move in the up and down directions via the housing 1, thereby achieving the lifting and lowering of the pressure head 3.

[0105] In this embodiment, when positive pressure gas is introduced into the retractable connector 42, the bottom connector 41 drives the inner shaft 221 to move downward, so that the contact block 52 contacts the passive trigger member 53, thereby realizing the conduction between the first signal docking member 511 and the second signal docking member 512. When the lifting drive assembly drives the trigger-type pickup device to move downward, and the bottom end of the suction nozzle 31 contacts an obstacle or the workpiece table, the retractable connector 42 is compressed by the upward force, and the contact block 52 and the passive trigger member 53 switch from the conflicting state to the separated state, and the conduction signal between the first signal docking member 511 and the second signal docking member 512 disappears. In this way, the trigger-type pickup device can record the distance moved by the fixed seat 14 from the start of movement to the change of the conduction signal. If the forward pressure-taking device has a similar standby reading head grating scale assembly, the height can be accurately measured. This embodiment does not make specific limitations.

[0106] The heat-insulating sleeve 33 can be made of a glass fiber composite material with low thermal conductivity. The heat-insulating sleeve 33 insulates the heating plate 34 and the main body of the device, reducing the heat exposure of the main body including the bearing part, which affects the accuracy. The heat-conducting sleeve 32 can be made of a surface-treated alloy copper material, such as beryllium copper with titanium nitride coating, to achieve high thermal conductivity and no oxidation at high temperatures. The annular heating plate 34 is tightly fitted to the heat-conducting sleeve 32 by applying thermal conductive silicone. The heating plate 34 can be a ceramic heating plate 34. The corrugated washer 353 is inserted into the heat-conducting sleeve 32 and placed on the heating plate 34. The thermocouple metal head 37 is coated with an appropriate amount of thermal conductive silicone and inserted into the cylindrical side hole of the heat-conducting sleeve 32. Then, two pressing screws 351 are used to properly tighten the thermocouple metal head 37 and the corrugated washer 353, so that the heating plate 34 is tightly fitted to the heat-conducting sleeve 32 under the pressure of the corrugated washer 353. The main function of the corrugated washer 353 is to subject the heating plate 34 to elastic pressure, thereby preventing the ceramic heating plate 34 from being damaged due to thermal stress during heating. In addition, it can also play a role in heat insulation. The ball plunger is used to pre-fix the suction nozzle 31. Due to the different chip sizes, the suction nozzle 31 is often disassembled and replaced. During installation, the suction nozzle 31 is inserted into the thermal sleeve 32 and pre-fixed by the ball plunger to prevent it from falling off. It is further tightened by the second fixing member 362, making the installation of the suction nozzle 31 more convenient and quick, saving manpower. The first seal 364 and the second seal 365 are both sealed with the thermal insulation sleeve 33 by applying sealant, so that the suction nozzle 31 is passed into a vacuum for chip adsorption.

[0107] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A trigger-type pickup device, characterized in that: include: A housing, a first signal docking member, a second signal docking member, a pressure taking head, an active triggering member, a passive triggering member, a bottom connecting member and a first connecting member; The active triggering member and the passive triggering member are both located in the housing, the bottom connecting member is located on a side of the passive triggering member facing a first direction, the first direction being a downward direction, the bottom connecting member can slide relative to the housing along a straight line direction in which the first direction is located, one end of the active triggering member is connected to the bottom connecting member, the other end of the active triggering member passes through the passive triggering member, and the active triggering member and the passive triggering member are clearance-fitted; A contact block is fixedly provided at the other end of the active trigger member, and the materials of the contact block and the passive trigger member are both conductive materials. The contact block faces the passive trigger member along a first direction, and the contact block can be in contact with the passive trigger member. The second signal docking member is electrically connected to the passive trigger member; The first connecting member is connected to the housing, and the first signal docking member is electrically connected to the contact block; The pressure taking head is located on one side of the bottom connecting member facing the first direction, and the pressure taking head is connected to the bottom connecting member; When the pressure taking head does not collide with an object along the first direction during its movement, the first signal docking member and the second signal docking member, under the action of gravity or other insulating elastic members, collide with the passive triggering member through the contact block to transmit a conduction signal; The trigger-type pickup device is used to determine whether the pressure taking head collides with the object along the first direction through the conductive signal between the first signal docking member and the second signal docking member.

2. The trigger pickup device according to claim 1, characterized in that: The trigger-type pickup device further comprises: an insulating sleeve, a retractable connector, and a top connector; The passive triggering member is located in the insulating sleeve, the other end of the active triggering member is inserted into the insulating sleeve, the insulating sleeve is connected to the top connecting member, the first connecting member is connected to the top connecting member, the retractable connecting member is located on a side of the top connecting member facing the first direction, the bottom connecting member is located on a side of the retractable connecting member facing the first direction, and the retractable connecting member can be retracted along the first direction; The active triggering member, the bottom connecting member, the retractable connecting member, the top connecting member and the first connecting member are all made of conductive materials; The insulating sleeve is made of insulating material; The first signal docking member is fixedly connected to the first connecting member, and the first signal docking member is electrically connected to the first connecting member.

3. The trigger pickup device according to claim 2, wherein: The retractable connecting member is a cylindrical structure that can be retracted relative to a first direction and has closed side walls; The two opposite ends of the retractable connecting member are sealedly connected to the top connecting member and the bottom connecting member respectively; The retractable connecting member is sleeved on the outer peripheral side of the active triggering member.

4. The trigger pickup device according to claim 2, wherein: The trigger-type pickup device further includes: a second connecting member; The second connector is located on one side of the first connector facing the first direction, the insulating sleeve is located on one side of the second connector facing the first direction, the second connector is connected to the first connector, and the second signal docking member is connected to the second connector.

5. The trigger pickup device according to claim 4, characterized in that: An avoidance hole is formed at one end of the second connecting member facing the first direction. The avoidance hole faces the active trigger member and the contact block along the first direction. The size of the avoidance hole is adapted to the active trigger member and the contact block.

6. The trigger-type pickup device according to claim 2, characterized in that: The insulating sleeve comprises: an insulating tube and an insulating support ring; The insulating cylinder is connected to the top connector, the insulating support ring is located in the insulating cylinder, the insulating support ring is fixedly connected to the insulating cylinder, and the passive trigger is located on a side of the insulating support ring away from the bottom connector.

7. The trigger pickup device according to claim 6, characterized in that: The trigger-type pickup device further comprises: an inner shaft, a fixed air inlet end, and a third air pipe; One end of the inner shaft is fixedly connected to the bottom connecting member, the other end of the inner shaft is fixedly connected to the pressure taking head, and the inner shaft is slidably connected to the housing along the linear direction where the first direction is located; The telescopic connecting member is provided with a telescopic chamber inside, the bottom connecting member is provided with an air supply duct, and the inner shaft is further provided with a third ventilation duct, one end of the air supply duct is communicated with the third ventilation duct, and the other end of the air supply duct is communicated with the telescopic chamber, the third air pipe is communicated with the third ventilation duct, and the third air pipe is communicated with the air inlet fixed end; The air inlet fixed end is used to introduce positive pressure into the telescopic chamber through the third air pipe, so as to apply a force toward the first direction to the bottom connecting member.

8. The trigger pickup device according to claim 7, wherein: The trigger-type pickup device further includes: a second air pipe; An adsorption channel is provided in the pressure taking head, and a second ventilation channel is provided in the inner shaft. The second ventilation channel is connected to the adsorption channel and the second air pipe, and the second air pipe is connected to the air inlet fixed end. The fixed end is used to provide negative pressure to the second air pipe; The pressure taking head passes through the negative pressure adsorption device in the adsorption channel.

9. The trigger-type pickup device according to claim 7, characterized in that: The trigger-type pickup device further includes: a first air pipe; A first ventilation channel is provided in the inner shaft, one end of the first ventilation channel is connected to the bonding head, the first air pipe is connected to the air inlet fixed end, one end of the first ventilation channel is connected to the first air pipe, and the other end of the first ventilation channel is connected to the pressure taking head; The air intake fixed end is used to ventilate and dissipate heat for the pressure taking head through the first air pipe and the first ventilation duct.

10. The trigger-type pickup device according to claim 7, characterized in that: The trigger-type pickup device further includes: a rotation drive assembly; The rotation drive assembly is connected to the inner shaft, and is used for driving the pressure taking head to rotate relative to a first direction via the inner shaft.

11. The trigger-type pickup device according to claim 1, wherein: The trigger-type pickup device further includes: a lifting drive assembly; The lifting drive assembly is connected to the casing, and the lifting drive assembly is used to drive the pressure head to move along the linear direction where the first direction is located through the casing.

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