Chip mounter suction nozzle locking structure

Abstract

The utility model discloses a chip mounter suction nozzle locking structure, which belongs to the technical field of chip mounter suction nozzles and comprises a connecting seat, a connecting shell is arranged at the bottom of the connecting seat, supporting plates are fixedly mounted on the left side and the right side of the connecting shell respectively, locking grooves are formed in the surfaces of the two supporting plates respectively, shells are fixedly mounted on the left side and the right side of the connecting seat respectively, and locking grooves are formed in the locking grooves. Through the arrangement of the connecting shell, when a worker installs the suction nozzle head, the angle of a locking block at the bottom end of the positioning rod is adjusted firstly, the locking block is aligned with a locking groove in a supporting plate to be inserted, then the angle of the locking block is adjusted, the locking block keeps upward force through the action of a limiting plate and a telescopic spring, and therefore the suction nozzle head is installed. And during disassembly, the connecting shell can be quickly disassembled only by pressing down the pressing plate and adjusting the angle of the locking block, so that the connecting shell can be quickly locked or disassembled under the action of the positioning rod and the locking block, the operation is simple, time and labor are saved, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of nozzles for chip placement machines, in particular to a locking structure for the nozzles of chip placement machines. Background Art

[0002] The placement machine is also called "mounting machine" or "surface mount system". In the production line, the placement machine is configured after the dispensing machine or screen printing machine. It is a device that accurately places surface mount components on the PCB pads by moving the placement head. It can be divided into manual and fully automatic types, and has been widely used in the PCB field.

[0003] The existing patent publication number is CN206350236U, which discloses a nozzle locking structure for a placement machine, including: a bracket, a driver, a sealing gasket, a locking head, a locking ring, and a nozzle. The bracket is provided with a driver, the bracket is provided with a locking ring, the locking ring is sleeved on the locking head, the locking head is connected to the driver, the locking head slides up and down along the locking ring under the drive of the driver, the nozzle is inserted into the locking head, the bracket is provided with an airway, the bracket is provided with a sealing gasket at the front end of the airway, the bottom of the bracket is provided with a sealing vertebra, and the sealing vertebra is provided with a sealing ring. The utility model provides a nozzle locking structure for a placement machine, by providing a locking head and a locking ring, the locking head and the locking ring cooperate to achieve locking of the nozzle, and by providing a sealing gasket, the bracket and the nozzle are sealed to ensure the airtightness of the equipment.

[0004] The locking device used in existing placement machine nozzles requires workers to disassemble the nozzle head when performing maintenance and repairs inside the nozzle. This process is time-consuming and labor-intensive. Furthermore, the existing locking mechanism has poor locking effectiveness and needs to be improved. Therefore, we propose a placement machine nozzle locking structure to address the aforementioned issues. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the present invention to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0006] Therefore, the purpose of the utility model is to provide a locking structure for the suction nozzle of a placement machine, which can solve the problem that the locking device used in the existing suction nozzle of the placement machine needs to disassemble the suction head when the staff performs maintenance and repairs on the inside of the suction nozzle. This process is time-consuming and labor-intensive. At the same time, the locking effect of the existing locking mechanism is poor and needs to be improved.

[0007] In order to solve the above technical problems, the present invention provides a nozzle locking structure for a placement machine, which adopts the following technical solution: it includes a connecting seat, a connecting shell is provided at the bottom of the connecting seat, support plates are fixedly installed on the left and right sides of the connecting shell, and locking grooves are provided on the surfaces of the two support plates, and a shell is fixedly installed on the left and right sides of the connecting seat, and positioning rods are inserted into the surfaces of the two shells, and locking blocks are fixedly installed on the bottom ends of the two positioning rods, the locking blocks are adapted to the locking grooves, and the tops of the locking blocks are tightly attached to the bottoms of the locking grooves, and limiting plates are fixedly installed on the surfaces of the two positioning rods, and the two limiting plates are both located in the inner cavity of the shell, and telescopic springs are sleeved on the outsides of the two positioning rods, and the telescopic springs are located between the bottoms of the limiting plates and the bottoms of the inner cavity of the shell.

[0008] Optionally, the top ends of the positioning rods respectively pass through the corresponding top ends of the shells, and a pressing plate is fixedly installed on the top ends of the two positioning rods.

[0009] Optionally, a first positioning plate is fixedly installed in the inner cavity of the connecting seat, a filter plate is provided at the bottom of the first positioning plate, and a plurality of filter holes are opened on the surface of the filter plate.

[0010] Optionally, a second positioning plate is fixedly installed in the inner cavity of the connecting shell, and sealing rings are placed on the top of the second positioning plate and the bottom of the filter plate, and adjacent sides of the two sealing rings are in contact with each other.

[0011] Optionally, a suction nozzle is provided at the bottom of the connecting shell, and suction grooves are provided inside the suction nozzle, the connecting seat and the connecting shell.

[0012] Optionally, a first mounting plate is fixedly installed on the bottom of the connecting shell, and a second mounting plate is fixedly installed on the top of the suction nozzle head. A plurality of thread grooves are provided on the surfaces of the first mounting plate and the second mounting plate. The inner cavity of each thread groove is threadedly connected with a screw. The first mounting plate is fixedly connected to the second mounting plate through a plurality of screws.

[0013] In summary, the present invention includes at least one of the following beneficial effects: 1. By setting up a connecting shell, when the staff installs the nozzle head, they first adjust the angle of the locking block at the bottom end of the positioning rod to align it with the locking slot on the support plate and then adjust the angle of the locking block. The locking block maintains an upward force through the action of the limit plate and the telescopic spring, thereby pressing the locking block tightly against the surface of the locking slot. When disassembling, only the button needs to be pressed and the angle of the locking block needs to be adjusted to quickly disassemble it. The connection shell can be quickly locked or disassembled through the action of the positioning rod and the locking block. The operation is simple, time-saving and labor-saving, and the practicality is strong.

[0014] 2. By setting the filter plate and the sealing ring, when the staff needs to clean the filter plate, they only need to disassemble the connecting shell, filter the adsorbed dust by setting the filter plate, and improve the sealing between the connecting shell and the connecting seat by setting the sealing ring. When the staff needs to replace the nozzle head, they can remove the screw from the first mounting plate and the second mounting plate. The operation is simple and practical, and there is no need to disassemble unnecessary components. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic cross-sectional view of the overall structure of the present invention;

[0018] Figure 3 For the utility model Figure 2 A in the middle is an enlarged schematic diagram;

[0019] Figure 4 It is an exploded schematic diagram of the overall structure of the utility model.

[0020] Explanation of the accompanying drawings: 1. Connecting seat; 2. Connecting shell; 3. Support plate; 4. Locking groove; 5. Shell; 6. Positioning rod; 7. Locking block; 8. Limiting plate; 9. Telescopic spring; 10. Pressing plate; 11. First positioning plate; 12. Filter plate; 13. Second positioning plate; 14. Sealing ring; 15. Nozzle head; 16. First mounting plate; 17. Second mounting plate; 18. Threaded groove; 19. Screw. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-4 The utility model is described in further detail.

[0022] Example 1, refer to Figure 1-4 In order to solve the problem that the locking device used in the existing nozzle of the placement machine is used, the staff needs to disassemble the nozzle head when performing maintenance and repair on the inside of the nozzle, which is time-consuming and labor-intensive. At the same time, the locking effect of the existing locking mechanism is poor and needs to be improved. The utility model discloses a locking structure for the nozzle of the placement machine.

[0023] It includes a connecting base 1, a connecting shell 2 is provided at the bottom of the connecting base 1, support plates 3 are fixedly installed on the left and right sides of the connecting shell 2, and lock grooves 4 are opened on the surfaces of the two support plates 3, and shells 5 are fixedly installed on the left and right sides of the connecting base 1. Positioning rods 6 are inserted into the surfaces of the two shells 5, and locking blocks 7 are fixedly installed on the bottom ends of the two positioning rods 6. The locking blocks 7 are adapted to the lock grooves 4, and the tops of the locking blocks 7 are tightly attached to the bottom of the lock grooves 4. Limiting plates 8 are fixedly installed on the surfaces of the two positioning rods 6. The two limiting plates 8 are both located in the inner cavity of the shell 5. The outsides of the two positioning rods 6 are both sleeved with telescopic springs 9, and the telescopic springs 9 are located between the bottom of the limiting plates 8 and the bottom of the inner cavity of the shell 5.

[0024] The top ends of the two positioning rods 6 respectively pass through the top of the corresponding housing 5 , and a pressing plate 10 is fixedly installed on the top ends of the two positioning rods 6 .

[0025] The specific working principle is: by setting the connecting shell 2, when the staff installs the suction nozzle head 15, they first adjust the angle of the locking block 7 at the bottom end of the positioning rod 6 to align it with the locking groove 4 on the support plate 3 and then adjust the angle of the locking block 7. The locking block 7 maintains the upward force through the action of the limit plate 8 and the telescopic spring 9, thereby pressing the locking block 7 against the surface of the locking groove 4. When disassembling, only the pressing plate 10 needs to be pressed and the angle of the locking block 7 needs to be adjusted to quickly disassemble it, so that the connecting shell 2 can be quickly locked or disassembled through the action of the positioning rod 6 and the locking block 7.

[0026] Example 2, refer to Figure 1-4 In order to solve the problem that it is cumbersome to disassemble all components when replacing the existing placement machine nozzle in this embodiment, based on the same concept as the above-mentioned embodiment 1, the placement machine nozzle locking structure further includes:

[0027] A first positioning plate 11 is fixedly installed in the inner cavity of the connecting seat 1 , a filter plate 12 is provided at the bottom of the first positioning plate 11 , and a plurality of filter holes are opened on the surface of the filter plate 12 .

[0028] A second positioning plate 13 is fixedly installed in the inner cavity of the connecting shell 2. Sealing rings 14 are placed on the top of the second positioning plate 13 and the bottom of the filter plate 12. The adjacent sides of the two sealing rings 14 fit together.

[0029] A suction nozzle 15 is provided at the bottom of the connecting shell 2 , and suction grooves are provided inside the suction nozzle 15 , the connecting base 1 and the connecting shell 2 .

[0030] A first mounting plate 16 is fixedly installed on the bottom of the connecting shell 2, and a second mounting plate 17 is fixedly installed on the top of the nozzle head 15. A plurality of thread grooves 18 are provided on the surfaces of the first mounting plate 16 and the second mounting plate 17. The inner cavity of each thread groove 18 is threadedly connected with a screw 19. The first mounting plate 16 is fixedly connected to the second mounting plate 17 through a plurality of screws 19.

[0031] The specific working principle is: by setting the filter plate 12 and the sealing ring 14, when the staff needs to clean the filter plate 12, they only need to disassemble the connecting shell 2, and filter the adsorbed dust by setting the filter plate 12. By setting the sealing ring 14, the sealing between the connecting shell 2 and the connecting seat 1 is improved. When the staff needs to replace the nozzle head 15, they can remove the screw 19 from the first mounting plate 16 and the second mounting plate 17 without removing unnecessary components.

[0032] The above are all preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A nozzle locking structure for a placement machine, comprising a connecting seat (1), characterized in that: The bottom of the connecting seat (1) is provided with a connecting shell (2), and support plates (3) are fixedly installed on the left and right sides of the connecting shell (2), and locking grooves (4) are opened on the surfaces of the two support plates (3). The left and right sides of the connecting seat (1) are fixedly installed with a shell (5), and positioning rods (6) are inserted into the surfaces of the two shells (5). The bottom ends of the two positioning rods (6) are fixedly installed with locking blocks (7), and the locking blocks (7) are adapted to the locking grooves (4), and the tops of the locking blocks (7) are tightly attached to the bottoms of the locking grooves (4). The surfaces of the two positioning rods (6) are fixedly installed with limiting plates (8), and the two limiting plates (8) are both located in the inner cavity of the shell (5). The outsides of the two positioning rods (6) are both sleeved with telescopic springs (9), and the telescopic springs (9) are located between the bottoms of the limiting plates (8) and the bottom of the inner cavity of the shell (5).

2. The nozzle locking structure of a placement machine according to claim 1, characterized in that: The top ends of the two positioning rods (6) respectively penetrate the top of the corresponding housing (5), and a pressing plate (10) is fixedly installed on the top ends of the two positioning rods (6).

3. The nozzle locking structure of a placement machine according to claim 1, characterized in that: A first positioning plate (11) is fixedly mounted in the inner cavity of the connecting seat (1), a filter plate (12) is provided at the bottom of the first positioning plate (11), and a plurality of filter holes are provided on the surface of the filter plate (12).

4. The nozzle locking structure of a placement machine according to claim 1, characterized in that: A second positioning plate (13) is fixedly installed in the inner cavity of the connecting shell (2), and sealing rings (14) are placed on the top of the second positioning plate (13) and the bottom of the filter plate (12), and the adjacent sides of the two sealing rings (14) are in contact with each other.

5. The nozzle locking structure of a placement machine according to claim 1, characterized in that: A suction nozzle (15) is provided at the bottom of the connection shell (2), and suction grooves are provided inside the suction nozzle (15), the connection seat (1) and the connection shell (2).

6. The nozzle locking structure for a placement machine according to claim 5, characterized in that: A first mounting plate (16) is fixedly mounted on the bottom of the connecting shell (2), and a second mounting plate (17) is fixedly mounted on the top of the suction nozzle head (15). The surfaces of the first mounting plate (16) and the second mounting plate (17) are both provided with a plurality of thread grooves (18), and the inner cavity of each thread groove (18) is movably connected to a screw rod (19) through a thread, and the first mounting plate (16) is fixedly connected to the second mounting plate (17) through the plurality of screw rods (19).

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