Sucking and releasing equipment for tiny parts
By designing a micro-part suction and placement device containing spindle and air pipe joint, the complex structure and inconvenient operation of the rotary module are solved, and rapid adsorption and rotation are achieved, the operation process is simplified and the equipment is improved. The stability and efficiency of the equipment are improved. .
Patent Information
- Application Number
- CN202421022284.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-10
AI Technical Summary
The rotary module in the suction and placement equipment for micro parts has a complex structure and is inconvenient to operate. It requires a simple structure and easy-to-use equipment to adjust the angle of the suction head to achieve the standard operating position of the product.
设计了一种包括基台、承载机构和吸取机构的微小零件吸放设备,采用主轴和气管接头实现负压或泄压效果,通过吸嘴组件和驱动电机实现吸附和转动,结构简单且使用方便 .
It realizes rapid adsorption and rotation of micro parts, simplifies the operation process, improves the stability and efficiency of equipment, and is suitable for rapid displacement and detection of micro parts.
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Figure CN222308887U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tiny parts suction and placement equipment, in particular to a tiny parts suction and placement equipment. Background Art
[0002] When the rotating module in the suction and placement equipment for tiny parts is working, it needs to suck up the product from the product carrier, and the sucked product needs to have a standard working position to detect whether the product is consistent with the assembled product, or the product needs to be placed in other positions along the circumference of the rotating module. At this time, the angle of the suction head needs to be adjusted, and this S axis is an axis that rotates the product. Driven by the servo motor, the product reaches the standard working position. In this process, the rotating module in the suction and placement equipment for tiny parts has complex structure and unchanged operation when working. Therefore, it is necessary to provide a simple and easy-to-use suction and placement equipment for tiny parts. Utility Model Content
[0003] The utility model provides a tiny parts suction and placement device, which has a simple structure and is easy to use.
[0004] In the first aspect, the utility model provides a micro-parts suction and placement device, comprising:
[0005] abutment;
[0006] A bearing mechanism, fixed on the base;
[0007] A suction mechanism is installed on the carrying mechanism, the suction mechanism comprises a suction component and a first driving mechanism, the first driving mechanism is used to drive the suction component to rotate, so that the suction component reciprocates between the first position and the second position;
[0008] The suction component comprises a main shaft and two air pipe joints, the main shaft is hollow to form a receiving space, one end of the main shaft penetrates the receiving space to form an air inlet and an air outlet, the two air pipe joints are respectively connected to the air inlet and the air outlet, and the two air pipe joints are correspondingly connected to an air extraction component to achieve a negative pressure effect or a pressure relief effect on the receiving space;
[0009] At least two suction nozzle assemblies are arranged outwardly along the circumferential direction of the main shaft, and the suction nozzle assembly has a suction nozzle that penetrates the accommodating space and communicates with the outside.
[0010] In some embodiments, the nozzle assembly includes a nozzle seat protruding outward along the circumferential direction of the main axis, a nozzle and a compression spring, the nozzle seat has a first air extraction channel connected to the accommodating space, one end of the compression spring abuts against the first air extraction channel, and the other end of the compression spring extends toward the side away from the accommodating space, the end of the nozzle seat away from the accommodating space is recessed with two grooves toward the side where the accommodating space is, the nozzle is provided at one end of the nozzle, and a second air extraction channel is provided inside the nozzle that runs through the other end of the nozzle, the second air extraction channel is connected to the nozzle, the nozzle has two connecting parts protruding outward along the circumferential direction, the nozzle extends into the two grooves through the two connecting parts to be connected to the nozzle seat, and the other end of the compression spring abuts against the second air extraction channel.
[0011] In some embodiments, the extension path of the groove is in a U-shape or a V-shape.
[0012] In some embodiments, the first driving mechanism comprises a first driving motor, a first connecting plate and a first connecting assembly, the first connecting plate is mounted on the supporting mechanism, the first connecting plate has a first end surface and a second end surface which are arranged opposite to each other, and a first through hole is formed along the first end surface to the second end surface;
[0013] The first connection assembly has a first sealing ring, the first sealing ring is fixedly sealed at one end of the first through hole and faces the side where the trachea connector is located, and the first sealing ring has a first through hole;
[0014] The other end of the main shaft passes through the first through hole and is detachably fixedly connected to the output shaft of the first drive motor. The first drive motor is detachably fixed to the first connecting plate and is located at the second end surface. The main shaft and the first through hole are clearance-fitted.
[0015] In some embodiments, the carrying mechanism comprises:
[0016] A bearing assembly, a second driving motor and a first fixed mounting plate, wherein the first fixed mounting plate is fixed on the base, has a third end face and a fourth end face arranged opposite to each other, and a second through hole is formed along the third end face to the fourth end face;
[0017] The bearing assembly passes through the second through hole and is detachably fixedly connected to the output shaft of the second drive motor. The second drive motor is detachably fixed to the first fixed mounting plate and is located at the fourth end surface. The bearing assembly is located below the first connecting plate and abuts against the first connecting plate.
[0018] The second driving motor is used to drive the bearing assembly to rotate, so that the first connecting plate reciprocates between the third position and the fourth position along the first direction.
[0019] In some embodiments, the supporting assembly has an eccentric shaft, a bearing and a second sealing ring, the second sealing ring is fixedly sealed at the second through hole and faces one end on the side where the trachea joint is located, the second sealing ring has a second through hole, the bearing is sleeved on one end of the eccentric shaft, the other end of the eccentric shaft passes through the second through hole and is detachably fixedly connected to the output shaft of the second drive motor, the second drive motor is detachably fixed on the first fixed mounting plate and is located on the side where the fourth end face is located, and the eccentric shaft and the second through hole are clearance-fitted.
[0020] In some embodiments, a first slide rail is arranged on the first fixed mounting plate along the first direction on the side where the third end face is located, and a first slider is also arranged on the first connecting plate on the side where the second end face is located, and the first connecting plate is slidably arranged on the first slide rail through the first slider.
[0021] In some embodiments, a tension spring is further provided at the bottom of the first connecting plate, the other end of the tension spring extends toward the side where the base is located, and the other end of the tension spring is fixed to the first fixed mounting plate. When the first connecting plate moves from the third position to the fourth position, the tension spring is in a tensioned state.
[0022] The utility model has the following advantages:
[0023] The utility model provides a tiny parts suction and placement device, which has a simple structure and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 A structural schematic diagram of a micro-parts suction and placement device is shown;
[0025] Figure 2 Shows Figure 1 An enlarged schematic diagram of the dotted circle A shown in FIG. DETAILED DESCRIPTION
[0026] The present disclosure will now be discussed with reference to several exemplary embodiments. It should be understood that these embodiments are discussed only to enable those skilled in the art to better understand and thus implement the present disclosure, rather than implying any limitation on the scope of the present disclosure.
[0027] As used herein, the term "including" and its variants are to be interpreted as open-ended terms meaning "including but not limited to". The term "based on" is to be interpreted as "based at least in part on". The terms "one embodiment" and "an embodiment" are to be interpreted as "at least one embodiment". The term "another embodiment" is to be interpreted as "at least one other embodiment". The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "vertical", "horizontal", "lateral", "longitudinal" and the like is based on the orientation or position relationship shown in the accompanying drawings. These terms are mainly for better describing the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to being used to indicate an orientation or position relationship, some of the above terms may also be used to indicate other meanings, such as the term "upper" may also be used to indicate a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to the specific circumstances. In addition, the terms "install", "set", "provided with", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be an internal connection between two devices, elements or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances. In addition, the terms "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise specified, "plurality" means two or more.
[0028] This embodiment discloses a micro-parts suction and placement device, such as Figure 1 and Figure 2 As shown, the micro-parts suction and placement equipment includes:
[0029] Abutment 1;
[0030] A carrying mechanism 2, fixed on the base 1;
[0031] A suction mechanism 3 is mounted on the supporting mechanism 2. The suction mechanism 3 comprises a suction component 31 and a first driving mechanism 32. The first driving mechanism 32 is used to drive the suction component 31 to rotate, so that the suction component 31 reciprocates between the first position and the second position;
[0032] The suction component 31 has a main shaft 311 and two air pipe joints 313. The main shaft 311 is hollow to form a receiving space. One end of the main shaft 311 penetrates the receiving space to form an air inlet and an air outlet. The two air pipe joints 313 are respectively connected to the air inlet and the air outlet. The two air pipe joints 313 are connected to a corresponding air extraction component to achieve a negative pressure effect or a pressure relief effect on the receiving space.
[0033] At least two suction nozzle assemblies 312 are arranged outwardly along the circumferential direction of the main shaft 311 , and the suction nozzle assembly 312 has a suction nozzle 31221 that penetrates the accommodating space and communicates with the outside.
[0034] In the present embodiment, a suction and placement device for tiny parts is provided. The suction and placement device is preferably provided with two suction nozzle assemblies 312, and is symmetrically arranged along the circumference of the main shaft 311. Through the above arrangement, the suction and placement device can generate a negative pressure effect in the accommodation space through an air pipe joint 313 when working, so that the suction nozzle 31221 of one of the suction nozzle assemblies 312 of the suction assembly 31 can quickly complete the adsorption of tiny parts, and then the suction assembly 31 is driven to rotate by the first driving mechanism 32, so that the sucked tiny parts can be quickly rotated from the first position to the second position, and then the accommodation space is depressurized through another air pipe joint 313, so that the tiny parts transferred to the second position are placed in a preset position to achieve rapid displacement of the tiny parts. When the tiny parts are placed in the preset position, the next process can be carried out.
[0035] In some embodiments, the suction nozzle assembly 312 includes a suction head seat 3121 protruding outward along the circumference of the main shaft 311, a suction head 3122 and a compression spring, the suction head seat 3121 has a first air extraction channel connected to the accommodating space, one end of the compression spring abuts against the first air extraction channel, and the other end of the compression spring extends toward the side away from the accommodating space, and the end of the suction head seat 3121 away from the accommodating space is concavely provided with two grooves 31211 toward the side where the accommodating space is located, the The suction nozzle 31221 is provided at one end of the suction head 3122, and the interior of the suction head 3122 has a second air extraction channel that runs through the other end of the suction head 3122, and the second air extraction channel is connected to the suction nozzle 31221. The suction head 3122 has two connecting parts 31222 protruding outward along the circumferential direction, and the suction head 3122 extends into the two grooves 31211 through the two connecting parts 31222 to be connected to the suction head seat 3121, and the other end of the compression spring is in contact with the second air extraction channel.
[0036] In this embodiment, the above arrangement enables quick replacement of the suction head 3122. For example, when one of the suction heads 3122 is worn and needs to be replaced, it can be quickly replaced in the above manner; or, when another type of micro-part needs to be processed, the suction head 3122 corresponding to the type can be replaced and the suction head 3122 can be quickly replaced on the suction head holder 3121 in the above manner, wherein the two suction heads 3122 of different types only differ in the type of the suction nozzle 31221. In the present application, the two connecting parts 31222 are preferably symmetrically arranged along the circumference of the suction head 3122.
[0037] Furthermore, a first step is formed in the first air extraction channel of the nozzle holder 3121, and the step surface of the first step is arranged toward the side away from the accommodating space, and one end of the compression spring abuts against the step surface of the first step to achieve abutment limiting.
[0038] Furthermore, a second step is formed in the second air extraction channel of the suction head 3122, and the step surface of the second step is arranged toward the side away from the suction nozzle 31221, and the other end of the compression spring abuts against the step surface of the second step to achieve abutment and limit. In the present application, the compression spring is always in a compressed state.
[0039] In some embodiments, the extension path of the groove 31211 is U-shaped or V-shaped.
[0040] In this embodiment, through the above arrangement, the connection portion 31222 of the suction head 3122 can be restricted to the internal position of the groove 31211, so that it is not easy to fall off, thereby improving the use stability of the suction nozzle assembly 312 and improving the use efficiency.
[0041] In some embodiments, the first driving mechanism 32 comprises a first driving motor 321, a first connecting plate 322 and a first connecting assembly, the first connecting plate 322 is mounted on the supporting mechanism 2, the first connecting plate 322 has a first end surface and a second end surface which are opposite to each other, and a first through hole is formed along the first end surface to the second end surface;
[0042] The first connection assembly has a first sealing ring, the first sealing ring is fixedly sealed at one end of the first through hole and faces the side where the trachea connector 313 is located, and the first sealing ring has a first through hole;
[0043] The other end of the main shaft 311 passes through the first through hole and is detachably fixedly connected to the output shaft of the first drive motor 321. The first drive motor 321 is detachably fixed on the first connecting plate 322 and is located at the second end surface. The main shaft 311 and the first through hole are clearance-fitted.
[0044] In this embodiment, the other end of the main shaft 311 is provided with a threaded hole inwardly, the output shaft of the first drive motor 321 is provided with an external thread, and the main shaft 311 is connected to the output shaft of the first drive motor 321 through a thread. A clamping nut is also provided on the output shaft of the first drive motor 321, and the clamping nut is used to lock the threaded connection between the main shaft 311 and the output shaft of the first drive motor 321 to prevent the main shaft 311 from being disengaged from the output shaft of the first drive motor 321 when the first drive motor 321 rotates forward or reversely.
[0045] Furthermore, by providing the first sealing ring, the rotation stability of the main shaft 311 during operation can be further improved. The other end of the main shaft 311 can also be more quickly accurately axially aligned with the output shaft of the first drive motor 321, so as to reduce the time for assembling the outer peripheral surface of the output shaft of the first drive motor 321 with the threaded hole at the other end of the main shaft 311, so as to further improve the assembly efficiency; furthermore, the assembly structure is simple and the manufacturing is convenient.
[0046] In some embodiments, a detachable connecting portion 31222 can also be set at the other end of the main shaft 311, and the detachable connecting portion 31222 includes an assembly hole recessed inward from the other end of the main shaft 311, a limiting groove recessed on one side of the assembly hole, and the limiting groove partially cuts the assembly hole to form a first semicircular groove on the main shaft 311, and an assembly component used in conjunction with the limiting groove, and the assembly component also has a second semicircular groove on the side where the limiting groove is located. When the main shaft 311 and the output shaft of the first drive motor 321 are assembled, the output shaft can be detachably fixed in the assembly hole of the main shaft 311 by cooperating with the second semicircular groove on the assembly component with the first semicircular groove on the main shaft 311, thereby realizing a detachable fixed connection between the main shaft 311 and the output shaft of the first drive motor 321.
[0047] In some embodiments, the carrying mechanism 2 includes:
[0048] A bearing assembly 23, a second driving motor 22 and a first fixed mounting plate 21, wherein the first fixed mounting plate 21 is fixed on the base 1, has a third end face and a fourth end face arranged opposite to each other, and a second through hole is formed along the third end face to the fourth end face;
[0049] The bearing assembly 23 passes through the second through hole and is detachably fixedly connected to the output shaft of the second drive motor 22. The second drive motor 22 is detachably fixed to the first fixed mounting plate 21 and is located at the fourth end surface. The bearing assembly 23 is located below the first connecting plate 322, and the bearing assembly 23 abuts against the first connecting plate 322.
[0050] The second driving motor 22 is used to drive the bearing assembly 23 to rotate. The rotation of the bearing assembly 23 drives the first connecting plate 322 to move, so that the first connecting plate 322 reciprocates between the third position and the fourth position along the first direction.
[0051] In this embodiment, through the above-mentioned arrangement, the second driving motor 22 can drive the supporting assembly 23 to rotate during operation, and the supporting assembly 23 drives the first connecting plate 322 to move when rotating, so that the first connecting plate 322 reciprocates between the third position and the fourth position along the first direction. In this application, the first direction is preferably a horizontal upward direction.
[0052] In some embodiments, the supporting assembly 23 has an eccentric shaft 231, a bearing 232 and a second sealing ring, the second sealing ring is fixedly sealed at one end of the second through hole and faces the side where the trachea connector 313 is located, the second sealing ring has a second through hole, the bearing 232 is sleeved on one end of the eccentric shaft 231, the outer peripheral surface of the bearing 232 is in contact with the first connecting plate 322, the other end of the eccentric shaft 231 passes through the second through hole and is detachably fixedly connected to the output shaft of the second drive motor 22, the second drive motor 22 is detachably fixed on the first fixed mounting plate 21 and is located on the side where the fourth end face is located, and the eccentric shaft 231 is clearance-fitted with the second through hole.
[0053] In this embodiment, the other end of the eccentric shaft 231 is provided with a threaded hole inwardly, the output shaft of the second drive motor 22 is provided with external threads, and the eccentric shaft 231 is connected to the output shaft of the second drive motor 22 through threads.
[0054] Furthermore, by providing a second sealing ring, the rotation stability of the eccentric shaft 231 during operation can be further improved. The other end of the eccentric shaft 231 can also be more quickly accurately axially aligned with the output shaft of the second drive motor 22, so as to reduce the time for assembling the outer peripheral surface of the output shaft of the second drive motor 22 and the threaded hole at the other end of the eccentric shaft 231, so as to further improve the assembly efficiency; furthermore, the assembly structure is simple and the manufacturing is convenient.
[0055] In some embodiments, a detachable connecting portion 31222 can also be set at the other end of the eccentric shaft 231, and the detachable connecting portion 31222 includes an assembly hole recessed inward from the other end of the eccentric shaft 231, a limiting groove recessed on one side of the assembly hole, and the limiting groove partially cuts the assembly hole to form a first semicircular groove on the eccentric shaft 231, and an assembly component used in conjunction with the limiting groove, and the assembly component also has a second semicircular groove on the side where the limiting groove is located. When the eccentric shaft 231 is assembled with the output shaft of the second drive motor 22, the output shaft can be detachably fixed in the assembly hole of the eccentric shaft 231 by cooperating with the second semicircular groove on the assembly component with the first semicircular groove on the eccentric shaft 231, thereby realizing a detachable fixed connection between the eccentric shaft 231 and the output shaft of the second drive motor 22.
[0056] In some embodiments, a first slide rail is arranged along the first direction on the side where the third end face is located on the first fixed mounting plate 21, and a first slider is also arranged on the side where the second end face is located on the first connecting plate 322, and the first connecting plate 322 is slidably arranged on the first slide rail through the first slider.
[0057] In this embodiment, a first slide rail is arranged along a first direction on the first fixed mounting plate 21, and a first slider is also connected to the first connecting plate 322, so that the first connecting plate 322 can be slidably arranged on the first slide rail through the first slider to maintain the stability of the first connecting plate 322 during the sliding process.
[0058] In some embodiments, a tension spring 4 is further provided at the bottom of the first connecting plate 322, the other end of which extends toward the side where the base 1 is located, and the other end of which is fixed to the first fixed mounting plate 21. When the first connecting plate 322 moves from the third position to the fourth position, the tension spring 4 is in a tensioned state. In the present application, the fourth position is located above the third position.
[0059] In this embodiment, through the above arrangement, when the second drive motor 22 is working, the second drive motor 22 drives the eccentric shaft 231 to rotate, and the rotation of the eccentric shaft 231 drives the first connecting plate 322 that contacts the bearing 232 to move, thereby realizing the reciprocating movement of the first connecting plate 322 between the third position and the fourth position along the first direction. In the present application, a tension spring 4 can be respectively arranged on both sides of the eccentric shaft 231, and the two tension springs 4 are fixed on the first connecting plate 322. Among them, when the second drive motor 22 drives the eccentric shaft 231 to rotate and forces the first connecting plate 322 to move from the fourth position to the third position, the two tension springs 4 can assist the first connecting plate 322 to move toward the third position to speed up the movement speed of the first connecting plate 322.
[0060] In summary, the present application provides a tiny parts suction and placement device, which has a simple structure and is easy to use.
[0061] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.
[0062] In addition, it should be understood that although the present specification is described according to embodiments, not every embodiment contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation methods that those skilled in the art can understand.
Claims
1. A micro parts suction and placement device, characterized in that: include: abutment; A bearing mechanism, fixed on the base; A suction mechanism is installed on the carrying mechanism, the suction mechanism comprises a suction component and a first driving mechanism, the first driving mechanism is used to drive the suction component to rotate, so that the suction component reciprocates between the first position and the second position; The suction component comprises a main shaft and two air pipe joints, the main shaft is hollow to form a receiving space, one end of the main shaft penetrates the receiving space to form an air inlet and an air outlet, the two air pipe joints are respectively connected to the air inlet and the air outlet, and the two air pipe joints are correspondingly connected to an air extraction component to achieve a negative pressure effect or a pressure relief effect on the receiving space; At least two suction nozzle assemblies are arranged outwardly along the circumferential direction of the main shaft, and the suction nozzle assembly has a suction nozzle that penetrates the accommodating space and communicates with the outside.
2. The micro-parts suction and placement device according to claim 1, characterized in that: The suction nozzle assembly includes a suction head seat protruding outward along the circumferential direction of the main shaft, a suction head and a compression spring, the suction head seat having a first air extraction channel connected to the accommodating space, one end of the compression spring abutting against the first air extraction channel, and the other end of the compression spring extending toward the side away from the accommodating space, the end of the suction head seat away from the accommodating space is recessed with two grooves toward the side where the accommodating space is, the suction nozzle is provided at one end of the suction head, a second air extraction channel penetrating the other end of the suction head is provided inside the suction head, the second air extraction channel is connected to the suction nozzle, the suction head has two connecting parts protruding outward along the circumferential direction, the suction head extends into the two grooves through the two connecting parts to be connected to the suction head seat, and the other end of the compression spring abuts against the second air extraction channel.
3. The micro-parts suction and placement device according to claim 2, characterized in that: The extending path of the groove is in a U shape or a V shape.
4. The micro-parts suction and placement device according to claim 1, characterized in that: The first driving mechanism comprises a first driving motor, a first connecting plate and a first connecting assembly, wherein the first connecting plate is mounted on the supporting mechanism, the first connecting plate has a first end surface and a second end surface which are arranged opposite to each other, and a first through hole is formed along the first end surface and extends from the first end surface to the second end surface; The first connection assembly has a first sealing ring, the first sealing ring is fixedly sealed at one end of the first through hole and faces the side where the trachea connector is located, and the first sealing ring has a first through hole; The other end of the main shaft passes through the first through hole and is detachably fixedly connected to the output shaft of the first drive motor. The first drive motor is detachably fixed to the first connecting plate and is located at the second end surface. The main shaft and the first through hole are clearance-fitted.
5. The micro-parts suction and placement device according to claim 4, characterized in that: The carrying mechanism comprises: A bearing assembly, a second driving motor and a first fixed mounting plate, wherein the first fixed mounting plate is fixed on the base, has a third end face and a fourth end face arranged opposite to each other, and a second through hole is formed along the third end face to the fourth end face; The bearing assembly passes through the second through hole and is detachably fixedly connected to the output shaft of the second drive motor. The second drive motor is detachably fixed to the first fixed mounting plate and is located at the fourth end surface. The bearing assembly is located below the first connecting plate and abuts against the first connecting plate. The second driving motor is used to drive the bearing assembly to rotate, so that the first connecting plate reciprocates between the third position and the fourth position along the first direction.
6. The micro-parts suction and placement device according to claim 5, characterized in that: The bearing assembly comprises an eccentric shaft, a bearing and a second sealing ring. The second sealing ring is fixedly sealed at the second through hole and faces one end of the trachea joint. The second sealing ring has a second through hole. The bearing is sleeved at one end of the eccentric shaft. The outer peripheral surface of the bearing abuts against the first connecting plate. The other end of the eccentric shaft passes through the second through hole and is detachably fixedly connected to the output shaft of the second drive motor. The second drive motor is detachably fixed to the first fixed mounting plate and is located on the side where the fourth end face is located. The eccentric shaft and the second through hole are clearance-fitted.
7. The micro-parts suction and placement device according to claim 6, characterized in that: A first slide rail is arranged on the first fixed mounting plate along the first direction at the side where the third end face is located, and a first slider is also arranged on the first connecting plate at the side where the second end face is located. The first connecting plate is slidably arranged on the first slide rail via the first slider.
8. The micro-parts suction and placement device according to claim 7, characterized in that: A tension spring is also provided at the bottom of the first connecting plate, the other end of which extends toward the side where the base is located, and the other end of which is fixed to the first fixed mounting plate. When the first connecting plate moves from the third position to the fourth position, the tension spring is in a tensioned state.