CN216563064U

CN216563064U - Suction nozzle, material suction device and die bonder

Info

Publication number: CN216563064U
Application number: CN202122956490.0U
Authority: CN
Inventors: 雷伟庄
Original assignee: Weijian Intelligent Packaging Technology Shenzhen Co ltd
Current assignee: Weijian Intelligent Packaging Technology Shenzhen Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-17
Anticipated expiration: 2031-11-26

Abstract

The utility model relates to the technical field of die bonder, in particular to a suction nozzle, a material suction device and a die bonder. The suction nozzle comprises a connecting part and a material sucking part which are connected with each other, wherein the surface of one end of the connecting part, which is far away from the material sucking part, is a paraboloid or a sphere, the material sucking part comprises two opposite ends, one end of the material sucking part is connected with the connecting part, and the other end of the material sucking part is provided with a suction hole which penetrates through the connecting part and the material sucking part. The design that the connecting part of the suction nozzle is a combination of the cylindrical surface and the paraboloid or the spherical surface is adopted, so that the friction force between the suction nozzle and the mounting part is reduced, and the problem that the existing suction nozzle is easy to clamp and is not easy to replace is solved.

Description

Suction nozzle, material suction device and die bonder

[ technical field ] A

The utility model relates to the technical field of die bonder, in particular to a suction nozzle, a material suction device and a die bonder.

[ background of the utility model ]

With the development of industrial technology, the die bonder is rapidly developed towards high automation to improve the production efficiency. The existing die bonder mostly adopts suction nozzles to suck chips, transfer and press, frequent contact can not avoid abrasion, in addition, some circuit boards are complex in design and difficult in chip positioning, die bonding of the whole circuit board is often completed after the chips are positioned on a workbench at one time, and the chips on one circuit board are different in size, so that the task can be completed by replacing the suction nozzles of different models for many times.

However, the suction nozzle in the prior art has the defects that the suction nozzle is easy to be clamped after being installed and is not easy to replace.

[ Utility model ] content

The utility model provides a suction nozzle, a material suction device and a die bonder, aiming at solving the problem that the existing suction nozzle is easy to clamp and is difficult to replace.

The utility model provides a suction nozzle which comprises a connecting part and a material sucking part which are connected with each other, wherein the surface of one end, far away from the material sucking part, of the connecting part is a paraboloid or a sphere, the material sucking part comprises two opposite ends, one end of the material sucking part is connected with the connecting part, and the other end of the material sucking part is provided with a suction hole penetrating through the connecting part and the material sucking part.

Preferably, the material suction part is a combination of a circular truncated cone, a cylindrical surface and a conical surface, and the material suction part and the connecting part are provided with communicated cavities matched with the shape.

Preferably, the material suction part comprises a circular truncated cone section, a cylindrical section and a conical section which are connected with each other from the position close to the connecting part to the position far from the connecting part, and the size of the cross section of the material suction part is gradually reduced.

Preferably, the connecting portion comprises a cylindrical section connected with the material suction portion, and the maximum size of the circular truncated cone section of the material suction portion is matched with the size of the cylindrical section of the connecting portion.

Preferably, the connecting part and the material suction part are integrally formed.

The utility model also provides a material suction device which comprises the suction nozzle and the binding head matched with the suction nozzle.

Preferably, the binding head is provided with a containing cavity matched with the suction nozzle, the connecting part of the suction nozzle is arranged in the containing cavity, and the suction hole is communicated with the containing cavity.

Preferably, the binding head comprises an air exhaust section and an adaptive section which are connected, the accommodating cavity is arranged in the adaptive section, the shape of the accommodating cavity is matched with that of the connecting part, the air exhaust section is provided with an air exhaust cavity communicated with the accommodating cavity, and the air exhaust section and the adaptive section are respectively provided with air exhaust holes communicated with the air exhaust cavity and the accommodating cavity.

Preferably, the adaptation section is provided with 2 aspirating holes and is symmetrically arranged.

The utility model also provides a die bonder which comprises the suction nozzle or the material suction device.

Compared with the prior art, the suction nozzle, the material suction device and the die bonder have the following advantages:

1. the suction nozzle comprises a connecting part and a material sucking part which are connected with each other, wherein the surface of one end, far away from the material sucking part, of the connecting part is a paraboloid or a sphere, the material sucking part comprises two opposite ends, one end of the material sucking part is connected with the connecting part, and the other end of the material sucking part is provided with a suction hole penetrating through the connecting part and the material sucking part. The design that the connecting part of the suction nozzle is a combination of the cylindrical surface and the paraboloid or the spherical surface reduces the friction force between the suction nozzle and the mounting part, and solves the problem that the existing suction nozzle is easy to clamp and is not easy to replace.

2. The suction part of the suction nozzle is a combination of a circular truncated cone, a cylindrical surface and a conical surface, and the suction part and the connecting part are provided with a cavity matched with the shape. The suction nozzle is not easy to clamp when being stored by the design that the material suction part is a combination of the circular truncated cone, the cylindrical surface and the conical surface, so that the damage of the suction nozzle is reduced.

3. The material suction part of the suction nozzle comprises a circular table section, a cylindrical section and a conical section which are connected with each other from the part close to the connecting part to the part far from the connecting part, and the size of the cross section of the material suction part is gradually reduced. Through the design that the cross section size gradually reduces and the mutual connection of circular platform section, cylinder section and circular cone section, when making to deposit the difficult jam of suction nozzle, reduced the area of suction hole opening part, strengthened unit suction.

4. The connecting part of the suction nozzle comprises a cylindrical section connected with the material suction part, and the maximum size of the circular truncated cone section of the material suction part is matched with the size of the cylindrical section of the connecting part. Through the design that the maximum size of the circular truncated cone section of the material suction part is matched with the maximum size of the cylindrical section of the connecting part, the suction nozzle is fixed by the cylindrical section and the circular truncated cone section, and the suction hole is protected from being abraded.

5. The connecting part and the material sucking part of the suction nozzle are integrally formed, and the strength of the whole structure of the suction nozzle is improved, the air tightness of the suction nozzle is improved, and the suction force of the suction nozzle is increased.

6. The utility model also provides a material suction device which has the same beneficial effects as the suction nozzle, and the details are not repeated.

7. According to the utility model, the binding head of the material suction device is provided with the containing cavity matched with the suction nozzle, the connecting part of the suction nozzle is arranged in the containing cavity, and the suction hole is communicated with the containing cavity. Offer the design with the chamber that holds of suction nozzle adaptation through tying up the head for the suction nozzle is inseparabler with the laminating of tying up the head, has increased the suction of gas tightness and tie up head to the suction nozzle, prevents that the suction nozzle from dropping.

8. The binding head of the material suction device comprises an air exhaust section and an adaptive section which are connected, wherein the accommodating cavity is arranged in the adaptive section and is adaptive to the shape of the connecting part, the air exhaust section is provided with an air exhaust cavity communicated with the accommodating cavity, and the air exhaust section and the adaptive section are respectively provided with air exhaust holes communicated with the air exhaust cavity and the accommodating cavity. The adaptive section is connected with the suction nozzle, the air exhaust section is in butt joint with the suction nozzle, the suction nozzle is sucked by the air exhaust hole of the adaptive section, and the air exhaust hole of the air exhaust section generates suction to suck products such as chips, so that the chip mounting function is achieved.

9. The adaptation section of the material suction device is provided with 2 air suction holes which are symmetrically arranged, and the two-way suction force is more balanced by symmetrically arranging the 2 air suction holes, so that the suction nozzle is prevented from slightly deflecting due to the one-way suction force, and the suction accuracy of the suction nozzle is improved.

10. The utility model also provides a die bonder which comprises the suction nozzle or the suction device and has the same beneficial effects as the suction nozzle or the suction device, and the details are not repeated.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural view of a suction nozzle provided in a first embodiment of the present invention.

Fig. 2 is a top view of a suction nozzle provided in accordance with a first embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a material suction device according to a second embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a binding head according to a second embodiment of the present invention.

Fig. 5 is a schematic structural view of a binding head and an air suction pipe provided by a second embodiment of the utility model.

Fig. 6 is a block diagram of a die bonder according to a third embodiment of the present invention.

FIG. 7 is a block diagram of another die bonder in accordance with a third embodiment of the present invention

Fig. 8 is a schematic structural view of a nozzle holder according to a fourth embodiment of the present invention.

Fig. 9 is an exploded view of a nozzle holder according to a fourth embodiment of the present invention.

Fig. 10 is a block diagram of a die bonder according to a fifth embodiment of the present invention.

Fig. 11 is a schematic structural diagram of a suction device assembly according to a sixth embodiment of the present invention.

Fig. 12 is a block diagram of a die bonder according to a seventh embodiment of the present invention.

The attached drawings indicate the following:

1. a suction nozzle;

10. a connecting portion; 11. A material suction part;

101. coding;

2. a material suction device;

20. binding heads;

201. an accommodating chamber; 202. An air extraction section; 203. An adaptation section; 204. An air pumping cavity; 205. An air exhaust hole; 206. An air exhaust pipe;

700. a die bonder; 710. A die bonder;

3. a suction nozzle holder;

30. a bearing table; 31. A connecting seat; 32. An elastic member; 33. A bearing surface; 34. Splicing the gaps; 35. Mounting holes;

301. accommodating grooves; 302. A positioning member; 303. Coding;

800. a die bonder;

500. combining a material suction device;

900. and (5) a die bonder.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the utility model and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

Referring to fig. 1, a first embodiment of the present application provides a suction nozzle 1, which includes a connecting portion 10 and a material sucking portion 11 connected to each other. The connecting part 10 is a combination of a cylindrical surface and a paraboloid or a spherical surface, and specifically, the surface of one end far away from the material suction part 11 is the paraboloid or the spherical surface. The material suction part 11 comprises two opposite ends, one end of the material suction part is connected with the connecting part 10, and the other end of the material suction part is provided with a suction hole which penetrates through the connecting part 10 and the material suction part 11. The design that the connecting part 10 of the suction nozzle 1 is a combination of a cylindrical surface and a paraboloid or a spherical surface reduces the friction force between the suction nozzle 1 and an installation part, and solves the problem that the existing suction nozzle is easy to clamp and is not easy to replace.

Furthermore, the material suction part 11 is a combination of a circular truncated cone, a cylindrical surface and a conical surface, and the material suction part 11 and the connecting part 10 are provided with a cavity matched with the shape. The suction nozzle 1 is not easy to clamp when being stored by the design that the material suction part 11 is a combination of a circular truncated cone, a cylindrical surface and a conical surface, so that the damage of the suction nozzle is reduced.

Specifically, the material suction portion 11 includes a circular truncated cone section, a cylindrical section, and a conical section connected to each other from the vicinity of the connection portion 10 to the distance from the connection portion 10, and the cross-sectional size is gradually reduced. Through the design that the cross section size gradually reduces and the mutual connection of circular platform section, cylinder section and circular cone section, when making to deposit the difficult jam of suction nozzle, reduced the area of suction hole opening part, strengthened unit suction.

Preferably, the connecting portion 10 further includes a cylindrical section connected to the material suction portion 11, and a maximum size of the circular truncated cone section of the material suction portion 11 matches a size of the cylindrical section of the connecting portion 10. Through the design that the maximum size of the circular truncated cone section of the material suction part is matched with the maximum size of the cylindrical section of the connecting part, the suction nozzle is fixed by the cylindrical section and the circular truncated cone section, and the suction hole is protected from being abraded.

Specifically, the connecting portion 10 and the material sucking portion 11 are integrally formed, and through the design of integrally forming the connecting portion 10 and the material sucking portion 11, the strength of the overall structure of the suction nozzle is increased, meanwhile, the air tightness of the suction nozzle 1 is increased, and further, the suction force of the suction nozzle 1 is increased.

Referring to fig. 2, the connection portion 10 is provided with a code 101 representing the type of the suction nozzle, and the design of the code 101 enables the suction nozzle to be replaced more quickly by identifying and positioning the suction nozzle of the required type, thereby increasing the use efficiency.

Referring to fig. 3, a second embodiment of the present application provides a suction device 2, which includes a suction nozzle 1 and a binding head 20 engaged with the suction nozzle.

Specifically, referring to fig. 3, the binding head 20 is provided with a receiving cavity 201 adapted to the suction nozzle 1, and the connecting portion 10 of the suction nozzle 1 is installed in the receiving cavity 201. The design of the accommodating cavity 201 matched with the suction nozzle 1 is arranged through the binding head 20, so that the suction nozzle 1 is attached to the binding head 20 more tightly, the air tightness and the suction force of the binding head 20 to the suction nozzle are increased, and the suction nozzle is prevented from falling.

More specifically, referring to fig. 4, the binding head 20 includes an air extracting section 202 and an adapting section 203 connected together, the adapting section 203 is provided with a cavity, that is, an accommodating cavity 201, adapted to the shape of the connecting portion 10, an air extracting cavity 204 is provided in the air extracting section 202, and the accommodating cavity 201 is communicated with the air extracting cavity 204. The air exhaust section 202 and the adapting section 203 are respectively provided with at least one air exhaust hole 205 communicated with the containing cavity 201 and the air exhaust cavity 204. When the binding head 20 is connected with the suction nozzle 1, the suction hole of the suction nozzle 1 is communicated with the containing cavity 201. The adapter section 203 is connected with the suction nozzle 1, the air exhaust section 202 is in butt joint with a suction hole of the suction nozzle 1, the suction nozzle is sucked by the air exhaust hole 205 of the adapter section 203, and the air exhaust hole 205 of the air exhaust section 202 generates suction to suck products such as chips, so that the chip mounting function is achieved.

Furthermore, the adaptation section 203 is provided with two air extraction holes 205 which are symmetrically arranged, and 2 air extraction holes 205 are symmetrically arranged, so that the bidirectional suction force is more balanced, the suction nozzle 1 is prevented from slightly deflecting due to the unidirectional suction force, and the suction accuracy of the suction nozzle is further improved.

Further, referring to fig. 5, the binding head 20 further includes a suction pipe 206, and the suction pipe 206 is disposed corresponding to the suction hole 205. Through setting up the exhaust tube, be convenient for be connected with outside vacuum apparatus's hose, the practicality is stronger.

Referring to fig. 6 and 7, a third embodiment of the present application provides a die bonder 700, which includes the suction nozzle 1; or a die bonder 710, the die bonder 710 includes the aforementioned suction device 2.

Referring to fig. 8, a fourth embodiment of the present invention provides a nozzle holder 3, including at least one supporting platform 30 for placing a nozzle 1, the supporting platform 30 defines a supporting surface 33, at least one receiving groove 301 is formed in a direction perpendicular to the supporting surface 33 for receiving the nozzle 1, and the nozzle 1 is placed perpendicular to the supporting surface 33 of the supporting platform 30; a connection socket 31, the connection socket 31 being connected with an external device; and at least one elastic member 32, wherein the elastic member 32 is connected to the connecting seat 31 and the supporting platform 30, and the elastic member 32 enables the supporting platform 30 to move elastically in a direction parallel to the supporting surface 33. The design that the bearing table 30 can elastically move in the direction parallel to the bearing surface 33 by arranging the elastic piece 32 gives a certain moving space to the suction nozzle frame 3, is safer when the suction nozzle is replaced, and solves the problem that the suction nozzle is easy to be clamped or damaged when the suction nozzle is replaced in the prior art.

Alternatively, the elastic member 32 may be a leaf spring or a spring.

Specifically, referring to fig. 9, the elastic member 32 of the fourth embodiment of the present application is an elastic sheet, and the connection seat 31 and the bearing platform 30 are respectively provided with an insertion gap 34. Through setting up elastic component 32 to the design of shell fragment, in inserting the grafting gap 34 of connecting seat 31 and plummer 30 with elastic component 32 for plummer 30 can be on the plane of perpendicular to shell fragment elastic movement, the problem that the suction nozzle blocked easily or damaged when having solved prior art and having traded the suction nozzle.

In a variation of the fourth embodiment of the present application, the elastic member 32 is a spring, and the connecting holder 31 and the carrier 30 are respectively provided with mounting holes 35 (not shown). When the elastic element is set as a spring, the bearing platform 30 can not only move on the plane parallel to the bearing surface 33, but also move in the vertical direction, so that the mobility of the bearing platform 30 is further increased, and the problem that the suction nozzle is easy to be clamped or damaged when the suction nozzle is replaced in the prior art is solved.

Further, the insertion slit 34 and/or the elastic member 32 are provided with vertical elastic materials at both ends thereof, providing vertical buffering. Through the design of setting up vertical elastic material for plummer 30 has the ability of moving on the vertical direction, has further increased plummer 30's activity, has further protected the safety of suction nozzle.

Specifically, please continue to refer to fig. 9, in which the connecting seat 31 is provided with two insertion slits 34 perpendicular to each other, and by the design of the two insertion slits perpendicular to each other, the elastic member 32 can be respectively disposed in the horizontal direction and the vertical direction, so that the application scenarios are wider, and the applicability is increased.

Further, as shown in fig. 9, the supporting platform 30 is provided with a positioning element 302, and the receiving cavity 301 and the positioning element 302 are disposed on the supporting surface 33 at a fixed interval. Through the design that holding tank 301 and setting element 302 set up with fixed interval for when changing the suction nozzle, fix a position setting element 302 earlier, the rethread removes fixed distance and finds the holding tank 301 that required suction nozzle was located, has increased the efficiency of changing the suction nozzle.

It is understood that the receiving slots 301 can be arranged in a plurality of rows or a plurality of rows, and the positioning members 302 can also be arranged in a plurality of rows, and the simple sequential variation is within the scope of the present application.

Further, referring to fig. 9, the code 303 representing the type of the receiving groove is disposed on the edge of the receiving surface 33 close to the edge of the receiving groove 301, and by the design of the code 303, the suction nozzle cannot be changed due to error when being changed, so that the accuracy of changing the suction nozzle is improved, and the changing efficiency is improved.

Further, referring to fig. 9, the accommodating groove 301 is a cavity with a circular truncated cone-cylindrical structure, the size of the notch close to the bearing surface 33 is larger than the size of the bottom of the groove far from the bearing surface 33, and the accommodating groove 301 is designed as the cavity with the circular truncated cone-cylindrical structure and is matched with the material suction portion 11 of the suction nozzle, so that the suction nozzle is not easy to be clamped when being placed in the accommodating groove, and the suction nozzle is easier to be replaced.

Specifically, the positioning piece 302 is arranged on a circle center connecting line of a cylinder of the accommodating groove 301, and the positioning piece 302 is arranged on the circle center connecting line, so that when the suction nozzle is replaced, the positioning piece 302 is firstly found and moves on the central line to find the required accommodating groove 301, the adaptation degree of a device for installing the suction nozzle and the suction nozzle is improved, the installation efficiency of the suction nozzle is improved, and the probability that the suction nozzle is crushed or clamped is reduced.

Referring to fig. 10, a die bonder 800 including the nozzle holder 3 is provided according to a fifth embodiment of the present application.

Referring to fig. 11, a sixth embodiment of the present application provides a suction device assembly 500, which includes a suction nozzle 1, a binding head 20 and a suction nozzle holder 3; the suction nozzle frame 3 comprises at least one bearing platform 30 for placing the suction nozzle, a connecting seat 31 and an elastic piece 32 for connecting the bearing platform 30 and the connecting seat 31, the bearing platform 30 comprises a bearing surface 33, an accommodating groove 301 is formed in the direction vertical to the bearing surface 33 for bearing the suction nozzle 1, the suction nozzle 1 is placed vertical to the bearing surface 33 of the bearing platform 30, the connecting seat 31 is connected with external equipment, and the elastic piece 32 is respectively connected with the connecting seat 31 and the bearing platform 30; when the binding head 20 mounts the suction nozzle 1, the binding head 20 moves to the corresponding suction nozzle 1 and moves in a direction perpendicular to the carrying surface 33 to mount the suction nozzle 1, and the elastic member 32 allows the carrier table 30 to elastically move in a direction parallel to the carrying surface 33. Through the matching design of the binding head 20, the suction nozzle 1 and the suction nozzle frame 3, the bearing platform 30 can move when the suction nozzle 1 is replaced, the suction nozzle 1 can be matched with the binding head 20, and the problem that the suction nozzle is easy to clamp or damage when the suction nozzle is replaced in the prior art is solved.

During operation, the suction nozzles 1 of different models are placed in the corresponding holding tank 301, the shape adaptation of the material suction part 11 and the holding tank 301, the binding head 20 uses the positioning piece 302 as a starting point, the fixed distance is moved and the suction nozzles 1 of the required models are locked, when the binding head 20 is moved to a specified position, the adaptation section 203 is connected with the connecting part 10, meanwhile, the elastic piece 32 provides deviation tolerance caused during moving, and the damage of the suction nozzles 1 is prevented.

Referring to fig. 12, the present invention further provides a die bonder 900 for solving the above technical problems, wherein the die bonder 900 includes the above material suction device assembly 500.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit of the present invention are intended to be included within the scope of the present invention.

Claims

1. A suction nozzle, characterized by: the suction nozzle comprises a connecting portion and a material sucking portion which are connected with each other, the surface, away from one end of the material sucking portion, of the connecting portion is a paraboloid or a spherical surface, the material sucking portion comprises two opposite ends, one end of the material sucking portion is connected with the connecting portion, and the other end of the material sucking portion is provided with a suction hole which penetrates through the connecting portion and the material sucking portion.

2. The suction nozzle as set forth in claim 1, wherein: the material suction part is a combination of a circular truncated cone, a cylindrical surface and a conical surface, and the material suction part and the connecting part are provided with a cavity matched with the shape.

3. The suction nozzle as set forth in claim 1, wherein: the material suction part comprises a circular table section, a cylindrical section and a conical section which are connected with each other from the part close to the connecting part to the part far away from the connecting part, and the size of the cross section of the material suction part is gradually reduced.

4. The suction nozzle as set forth in claim 1, wherein: the connecting portion comprises a cylindrical section connected with the material sucking portion, and the largest size of the circular truncated cone section of the material sucking portion is matched with the size of the cylindrical section of the connecting portion.

5. The suction nozzle as set forth in claim 1, wherein: the connecting part and the material sucking part are integrally formed.

6. The utility model provides a material suction device which characterized in that: the suction device comprises a suction nozzle according to any one of claims 1-5 and a binding head cooperating with the suction nozzle.

7. A suction device according to claim 6, characterized in that: bind up the head seted up with the chamber that holds of suction nozzle adaptation, the connecting portion of suction nozzle are installed hold the intracavity, inhale the hole and hold the chamber intercommunication.

8. A suction device as set forth in claim 7, characterized in that: the binding head comprises an air exhaust section and an adaptive section which are connected, the accommodating cavity is arranged in the adaptive section, the shape of the accommodating cavity is matched with that of the connecting part, the air exhaust section is provided with an air exhaust cavity communicated with the accommodating cavity, and the air exhaust section and the adaptive section are respectively provided with an air exhaust hole communicated with the air exhaust cavity and the accommodating cavity.

9. A suction device as set forth in claim 8, characterized in that: the adaptation section is provided with 2 aspirating holes and is arranged symmetrically.

10. A die bonder is characterized in that: the die bonder comprises a suction nozzle according to any one of claims 1 to 5 or a suction device according to any one of claims 6 to 9.