Thin plate type rotary suction nozzle device

Abstract

The present invention discloses a thin-plate type rotary suction nozzle device, which includes a thin-plate-shaped suction nozzle base, a suction nozzle shaft rotatably installed on the suction nozzle base, and a suction nozzle provided at the lower end of the suction nozzle shaft. A gear ring is provided on the circumferential side wall of the suction nozzle shaft. A rack meshing with the gear ring and a rotary drive assembly for driving the rack to move to drive the rotation of the suction nozzle shaft are provided inside the suction nozzle base. The suction nozzle shaft has a first through hole in the axial direction, and a first vacuum interface communicating with the first through hole of the suction nozzle shaft is provided on the upper surface of the suction nozzle base. By integrating the rack and the rotary drive assembly into the thin-plate-shaped suction nozzle base, the present invention realizes the integration of adsorption and rotation of the suction nozzle device, simplifies the equipment structure, and reduces the space occupied by the suction nozzle device.

Description

Technical Field

[0001] The present invention relates to the technical field of electronic product processing equipment, and particularly relates to a thin-plate type rotary suction nozzle device. Background Art

[0002] With the continuous development of China's economy and the continuous improvement of its scientific and technological level, the overall industrial production level in China has made great progress. Generally speaking, the current industrial production in China is developing in the direction of intensification and batch production, and the batch production and high-efficiency production methods have become the general trend of the industry development. In the field of electronic component processing, the suction nozzle device used to complete the adsorption and clamping of components on the machining equipment is indispensable. The adsorbed components usually need to be rotated by a certain angle before assembly. The existing suction nozzle devices have complex structures, large occupied spaces, are not conducive to integrated use, and affect the production efficiency of the equipment. Summary of the Invention

[0003] Aiming at the deficiencies of the existing technology, the present invention provides a thin-plate type rotary suction nozzle device, which can realize the integration of adsorption and rotation, reduce the occupied space of the suction nozzle device, realize the side-by-side installation of multiple devices, and improve the production efficiency of the equipment.

[0004] To achieve the above object, the present invention adopts the following technical solutions:

[0005] A thin-plate type rotary suction nozzle device includes a thin-plate shaped suction nozzle base, a suction nozzle shaft rotatably installed on the suction nozzle base, and a suction nozzle provided at the lower end of the suction nozzle shaft. A toothed ring is provided on the circumferential side wall of the suction nozzle shaft. A rack meshing with the toothed ring and a rotary drive assembly for driving the rack to move to drive the suction nozzle shaft to rotate are provided inside the suction nozzle base. The suction nozzle shaft has an axial first through hole, and a first vacuum interface communicating with the first through hole of the suction nozzle shaft is provided on the upper surface of the suction nozzle base. By integrating the rack and the rotary drive assembly into the thin-plate shaped suction nozzle base, the present invention realizes the integration of adsorption and rotation of the suction nozzle device, simplifies the equipment structure, and reduces the occupied space of the suction nozzle device.

[0006] As a preferred solution, it further includes a lifting drive assembly for controlling the up and down movement of the suction nozzle base. The lifting drive assembly includes a lifting drive body and a movable seat controlled by the lifting drive body to move up and down. A second vacuum interface corresponding to the first vacuum interface is provided on the lower surface of the movable seat. During assembly, the suction nozzle base is fixedly connected to the lower surface of the movable seat, and the first vacuum interface is hermetically connected to the second vacuum interface.

[0007] As a preferred solution, a vacuum connecting rod extending vertically upward is fixedly provided on the movable seat. A chute corresponding to the vacuum connecting rod is provided inside the lifting driving body. The vacuum connecting rod is provided with an axial second through hole. The lower end of the second through hole is communicated with a second vacuum interface, and the upper end of the vacuum connecting rod is slidably connected to the chute.

[0008] As a preferred solution, the lifting driving body is a slide cylinder body. Both the slide cylinder body and the movable seat are in the shape of thin plates, and the thickness directions of both the slide cylinder body and the movable seat are the same as the thickness direction of the suction nozzle seat.

[0009] As a preferred solution, a connecting portion arranged in a T shape is provided on the upper side of the suction nozzle seat. The first vacuum interface is arranged on the upper surface of the connecting portion. Symmetrically arranged connecting blocks are provided on both sides of the connecting portion, and the connecting blocks are fixedly connected to the movable seat by screws.

[0010] As a preferred solution, a guide sleeve with an axial direction the same as the length direction of the suction nozzle seat is provided inside the suction nozzle seat. The rack is movably arranged inside the guide sleeve. The rotary driving assembly is arranged at one end of the guide sleeve. The driving end of the rotary driving assembly is connected to one end of the rack. A notch for exposing the tooth portion of the rack is provided on one side of the guide sleeve.

[0011] As a preferred solution, a limit screw for adjusting the moving stroke of the rack is provided on the suction nozzle seat. The limit screw is arranged at the other end of the rack, and the driving end of the rotary driving assembly, the guide sleeve and the limit screw are coaxially arranged.

[0012] As a preferred solution, a receiving groove for installing the guide sleeve is provided at the rear side of the suction nozzle seat, and a cover plate is provided at the opening of the receiving groove.

[0013] As a preferred solution, an elastic resetting member for making the rack always have a tendency to press against the gear ring is provided inside the suction nozzle seat. A positioning groove for positioning the elastic resetting member is provided at the rear side of the guide sleeve. During assembly, the elastic resetting member is arranged in the positioning groove. The front side of the elastic resetting member abuts against the rear side of the rack, and the rear side of the elastic resetting member abuts against the inner surface of the cover plate.

[0014] As a preferred solution, a scale adjusting sleeve is provided at the lower side of the suction nozzle shaft, and a pointer for indicating the scale is fixedly provided at the lower end of the suction nozzle seat.

[0015] As a preferred solution, a wear-resistant washer and a guide sleeve are sleeved on the suction nozzle shaft.

[0016] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, by integrating the rack and the rotation drive assembly into a thin plate-shaped nozzle seat, the adsorption and rotation integration of the nozzle device is realized, the equipment structure is simplified, and the space occupied by the nozzle device is reduced. The nozzle device can be arranged in a smaller space, thereby improving the production efficiency of the equipment; by arranging a guide sleeve inside the nozzle seat, the accuracy of the back and forth movement of the rack is ensured, and the rotation accuracy of the nozzle shaft is improved; by arranging an elastic reset part in the nozzle seat so that the rack always has a tendency to be close to the gear ring, the gap between the rack and the gear ring is effectively eliminated, and the rotation accuracy of the nozzle shaft is further improved.

[0017] In order to more clearly explain the structural features, technical means and specific purposes and functions achieved by the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments: BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an assembly structure diagram of an embodiment of the present invention;

[0019] Figure 2 It is a preliminary decomposition structure diagram of an embodiment of the present invention;

[0020] Figure 3 It is a schematic cross-sectional structure diagram of an embodiment of the present invention;

[0021] Figure 4 Schematic diagram of the exploded structure of the nozzle holder according to an embodiment of the present invention;

[0022] Figure 5 This is an exploded view of the nozzle shaft installation structure of an embodiment of the present invention;

[0023] Figure 6 yes Figure 3 A magnified schematic diagram of center A.

[0024] Description of the accompanying drawings:

[0025] 10. Nozzle holder; 11. First vacuum interface; 12. Connecting part; 13. Connecting block; 14. Rotary drive cylinder; 15. Limit screw; 16. Accommodating groove; 17. Cover plate; 20. Nozzle shaft; 21. Nozzle; 22. Gear ring; 23. First through hole; 24. Guide sleeve; 25. Scale adjustment sleeve; 30. Rack; 31. Gear part; 40. Guide sleeve; 41. Notch; 42. Positioning groove; 43. Elastic reset member; 50. Lifting drive body; 51. Slide groove; 52. Movable rod; 53. Bolt; 60. Movable seat; 61. Second vacuum interface; 62. Vacuum connecting rod; 63. Second through hole; 64. Sealing rubber ring; 65. Third through hole; 66. Reset spring; 70. Hexagon screw; 80. Pin. DETAILED DESCRIPTION

[0026] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the invention and simplifying the description, rather than indicating or implying that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0027] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] As Figures 1-6 shown, a thin plate type rotary suction nozzle device includes a thin plate-shaped suction nozzle base 10, a suction nozzle shaft 20 rotatably installed on the suction nozzle base 10, a suction nozzle 21 provided at the lower end of the suction nozzle shaft 20, and a lifting drive assembly for controlling the up and down movement of the suction nozzle base 10. A toothed ring 22 is provided on the circumferential side wall of the suction nozzle shaft 20. A rack 30 meshing with the toothed ring 22 and a rotary drive assembly for driving the rack 30 to move to drive the suction nozzle shaft 20 to rotate are provided inside the suction nozzle base 10. The suction nozzle shaft 20 has an axial first through hole 23, and a first vacuum interface 11 communicating with the first through hole 23 of the suction nozzle shaft 20 is provided on the upper surface of the suction nozzle base 10. In this embodiment, the rotary drive assembly is a rotary drive cylinder 14. It should be understood that in actual use, the rotary drive assembly can also be a linear motor or a combination of a motor and a lead screw. By integrating the rack 30 and the rotary drive assembly 14 into the thin plate-shaped suction nozzle base 10, the present invention realizes the integration of adsorption and rotation of the suction nozzle device, simplifies the equipment structure, and reduces the space occupied by the suction nozzle device. In the present invention, an external thread is provided at the lower end of the suction nozzle shaft 20, and the suction nozzle 21 is threadedly connected to the suction nozzle shaft 20. It should be understood that the suction nozzle 21 can be a suction cup or a straw. A scale adjustment sleeve 25 is provided on the lower side of the suction nozzle shaft 20, and a pointer for indicating the scale is fixedly provided at the lower end of the suction nozzle base 10. By providing the scale adjustment sleeve 25, the rotation angle of the suction nozzle shaft 20 can be adjusted more accurately. A wear-resistant washer and a guide sleeve 24 are sleeved on the suction nozzle shaft 20. By providing the washer and the guide sleeve 24, the wear generated when the suction nozzle shaft 20 rotates relative to the suction nozzle base 10 can be reduced, and the service life of the equipment and the rotation accuracy of the suction nozzle shaft 20 can be improved.

[0029] Specifically, the lifting drive assembly includes a lifting drive body 50 and a movable seat 60 that moves up and down under the control of the lifting drive body 50. A connecting portion 12 arranged in a T shape is provided on the upper side of the nozzle seat 10. The first vacuum interface 11 is arranged on the upper surface of the connecting portion 12. A second vacuum interface 61 corresponding to the first vacuum interface 11 is arranged on the lower surface of the movable seat 60. Symmetrically arranged connecting blocks 13 are provided on both sides of the connecting portion 12. Through grooves penetrating up and down are formed in the connecting blocks 13. During assembly, hexagon screws 70 pass through the through grooves from bottom to top to fix the nozzle seat 10 on the movable seat 60. The upper surface of the connecting portion 12 is attached to the lower surface of the movable seat 60, and the first vacuum interface 11 is hermetically connected to the second vacuum interface 61. In order to improve the connection stability between the connecting portion 12 and the movable seat 60, a fastening pin 80 is further provided between the connecting portion 12 and the movable seat 60.

[0030] A vertically upward protruding vacuum connecting rod 62 is fixedly arranged on the movable seat 60. A chute 51 corresponding to the vacuum connecting rod 62 is arranged in the lifting drive body 50. An axial second through hole 63 is formed in the vacuum connecting rod 62. The lower end of the second through hole 63 is communicated with the second vacuum interface 61. The upper end of the vacuum connecting rod 62 is slidably connected to the chute 51. A sealing rubber ring 64 is arranged between the circumferential surface of the vacuum connecting rod 62 and the inner side wall of the chute 51. A groove is formed on the circumferential surface of the vacuum connecting rod 62. The sealing rubber ring 64 is sleeved in the groove, and a part of the sealing rubber ring protrudes out of the groove. By arranging a hollow vacuum connecting rod 62 on the movable seat 60 and a chute 51 corresponding to the vacuum connecting rod 62 on the lifting drive body 50, it is possible to ensure the air path connection during the movement of the movable seat 60 relative to the lifting drive body 50, and realize the normal vacuum pumping operation of the nozzle 21.

[0031] In the present invention, the lifting drive body 50 is a slide cylinder body. Both the slide cylinder body and the movable seat 60 are in the shape of thin plates, and the thickness directions of both the slide cylinder body and the movable seat 60 are the same as the thickness direction of the nozzle seat 10. A third through hole 65 penetrating up and down is provided on the movable seat 60. A retaining ring protruding radially outward is provided at the lower end of the third through hole 65. The lower end of the movable rod 52 of the slide cylinder body passes through the third through hole 65 and is connected with a bolt 53. The edge of the head of the bolt 53 abuts against the outer surface of the lower end opening of the third through hole 65. A return spring 66 that always makes the movable seat 60 tend to move downward is provided in the third through hole 65. The lower end of the return spring 66 abuts against the upper surface of the retaining ring, and the upper end of the return spring 66 abuts against the lower surface of the slide cylinder body. By providing the return spring 66 in the third through hole 65, the movable seat 60 has a buffering function when moving up and down, avoiding the situation that the nozzle 21 hard abuts against the electronic component during operation and causing damage to the electronic component. It should be noted that in actual use, the lifting drive body 50 can also be replaced by a common cylinder, a motor, a linear motor, etc.

[0032] A guide sleeve 40 with an axial direction the same as the length direction of the nozzle seat 10 is provided inside the nozzle seat 10. The rack 30 is movably arranged in the guide sleeve 40. The rotary drive assembly 14 is arranged at one end of the guide sleeve 40. The movable rod of the rotary drive assembly 14 is connected with one end of the rack 30. A notch 41 for exposing the tooth part 31 of the rack 30 is provided on one side of the guide sleeve 40. A limit screw 15 for adjusting the moving stroke of the rack 30 is provided on the nozzle seat 10. The limit screw 15 is arranged at the other end of the rack 30, and the movable rod of the rotary drive assembly 14, the guide sleeve 40 and the limit screw 15 are coaxially arranged. By providing the limit screw 15, the moving stroke of the rack 30 can be adjusted by rotating the limit screw 15, and then the final required rotational angle position of the nozzle shaft 20 can be obtained. A receiving groove 16 for installing the guide sleeve 40 is provided at the rear side of the nozzle seat 10. A cover plate 17 is provided at the opening of the receiving groove 16. An elastic return member 43 that always makes the rack 30 tend to closely adhere to the gear ring 22 is provided inside the nozzle seat 10. A positioning groove 42 for positioning the elastic return member 43 is provided at the rear side of the guide sleeve 40. During assembly, the elastic return member 43 is arranged in the positioning groove 42. The front side of the elastic return member 43 abuts against the rear side of the rack 30, and the rear side of the elastic return member 43 abuts against the inner surface of the cover plate 17. In this embodiment, the elastic return member 43 is a corrugated spring piece.

[0033] In summary, by integrating the rack and the rotary drive assembly into the thin plate-shaped nozzle holder, the present invention realizes the integration of adsorption and rotation of the nozzle device, simplifies the equipment structure, reduces the occupied space of the nozzle device, enables the nozzle devices to be arranged in a smaller space, and improves the production efficiency of the equipment; by arranging a guide sleeve inside the nozzle holder, the accuracy of the reciprocating movement of the rack is ensured, and the rotation accuracy of the nozzle shaft is improved; by providing an elastic reset member in the nozzle holder that always makes the rack tend to be in close contact with the gear ring, the gap between the rack and the gear ring is effectively eliminated, and the rotation accuracy of the nozzle shaft is further improved.

[0034] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made to the above embodiments based on the actual technology of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A thin plate type rotating suction nozzle device, characterized in that, It includes a thin plate-shaped nozzle seat, a nozzle shaft rotatably mounted on the nozzle seat, and a nozzle provided at the lower end of the nozzle shaft. A toothed ring is provided on the circumferential side wall of the nozzle shaft. Inside the nozzle seat, there is a rack meshing with the toothed ring and a rotary drive assembly for driving the rack to move to drive the rotation of the nozzle shaft. The nozzle shaft has a first through hole in the axial direction, and a first vacuum interface communicating with the first through hole of the nozzle shaft is provided on the upper surface of the nozzle seat. Inside the nozzle seat, there is a guide sleeve with an axial direction the same as the length direction of the nozzle seat. The rack is movably arranged inside the guide sleeve. The rotary drive assembly is arranged at one end of the guide sleeve, and the drive end of the rotary drive assembly is connected to one end of the rack. A notch for exposing the tooth portion of the rack is provided on one side of the guide sleeve. A limit screw for adjusting the moving stroke of the rack is provided on the nozzle seat. The limit screw is arranged at the other end of the rack, and the drive end of the rotary drive assembly, the guide sleeve, and the limit screw are coaxially arranged. A receiving groove for installing the guide sleeve is provided at the rear side of the nozzle seat. A cover plate is provided at the opening of the receiving groove. An elastic reset member for making the rack always tend to press against the toothed ring is provided inside the nozzle seat. A positioning groove for positioning the elastic reset member is provided at the rear side of the guide sleeve. During assembly, the elastic reset member is arranged in the positioning groove, the front side of the elastic reset member abuts against the rear side of the rack, and the rear side of the elastic reset member abuts against the inner surface of the cover plate.

2. The thin plate type rotary suction nozzle device according to claim 1, characterized in that, It further includes a lifting drive assembly for controlling the up and down movement of the nozzle seat. The lifting drive assembly includes a lifting drive body and a movable seat controlled by the lifting drive body to move up and down. A second vacuum interface corresponding to the first vacuum interface is provided on the lower surface of the movable seat. During assembly, the nozzle seat is fixedly connected to the lower surface of the movable seat, and the first vacuum interface is hermetically connected to the second vacuum interface.

3. The thin plate type rotary suction nozzle device according to claim 2, characterized in that, A vacuum connecting rod vertically extending upward is fixedly provided on the movable seat. A sliding groove corresponding to the vacuum connecting rod is provided inside the lifting drive body. The vacuum connecting rod has a second through hole in the axial direction. The lower end of the second through hole communicates with the second vacuum interface, and the upper end of the vacuum connecting rod is slidably connected to the sliding groove.

4. The thin plate type rotary suction nozzle device according to claim 2 or 3, characterized in that, The lifting drive body is a slide cylinder body. Both the slide cylinder body and the movable seat are in a thin plate shape, and the thickness direction of the slide cylinder body and the thickness direction of the movable seat are the same as the thickness direction of the nozzle seat.

5. The thin plate type rotary suction nozzle device according to claim 2, wherein, A connecting portion arranged in a T shape is provided on the upper side of the nozzle seat. The first vacuum interface is provided on the upper surface of the connecting portion. Symmetrically arranged connecting blocks are provided on both sides of the connecting portion. The connecting blocks are fixedly connected to the movable seat by screws.

6. The thin-plate type rotary suction nozzle device according to claim 1, wherein A scale adjustment sleeve is provided on the lower side of the nozzle shaft. A pointer for indicating the scale is fixedly provided at the lower end of the nozzle seat.

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