SMT chip mounter suction nozzle structure

Abstract

The utility model discloses an SMT chip mounter suction nozzle structure comprising an adsorption cylinder, and the lower end in the adsorption cylinder is in threaded connection with a nozzle head. A connecting end is welded to the right side in the adsorption barrel; a dust interception filter screen structure is fixed in the adsorption cylinder; a movable connecting seat structure is connected to the upper part in the adsorption cylinder; a limiting ring is in bolted connection with the outer wall of the adsorption cylinder; a compression spring is supported on the limiting ring and sleeves the outer side of the movable connecting seat structure; according to the SMT chip mounter, through the arrangement of the movable connecting seat structure, the function of conveying gas to clean the dust intercepting filter screen structure is achieved, and the situation that dust accumulation of the dust intercepting filter screen structure influences the adsorption tightness and the chip mounting work of the SMT chip mounter is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of SMT placement machine components, in particular to a nozzle structure of an SMT placement machine. Background Art

[0002] The nozzle structure of the placement machine is a component structure on the SMT placement machine that contacts electronic components. It is mainly used to absorb electronic components, such as chips, resistors, capacitors, etc., and accurately place them on the specified position of the printed circuit board. However, during long-term use, a large amount of dust is easily introduced into the interior, which will affect the tightness of the adsorption of electronic components and affect the work of the SMT placement machine to perform placement. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an SMT placement machine suction nozzle structure, which can realize the function of dustproofing and cleaning the adsorption area, avoid dust from entering the interior and clogging the connected pipes, and avoid affecting the work of the SMT placement machine in performing placement.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: an SMT placement machine suction nozzle structure, including an adsorption cylinder, the lower end of the adsorption cylinder is threadedly connected to a nozzle head; a connecting end is welded on the right side of the adsorption cylinder; a dust interception filter structure is fixed inside the adsorption cylinder; a movable connection seat structure is connected to the upper part of the adsorption cylinder; a limiting ring is bolted to the upper part of the outer wall of the adsorption cylinder; a compression spring is supported on the limiting ring, and the compression spring is sleeved on the outside of the movable connection seat structure; a chuck is connected to the outer wall of the movable connection seat structure, and is characterized in that the movable connection seat structure includes a support cylinder, and a mounting disk is welded on the top of the support cylinder; a centrifugal fan is threadedly connected to the right side of the support cylinder; and a movable breathable disk shell structure is connected to the bottom of the support cylinder.

[0005] Preferably, the movable breathable disc shell structure includes a shell, a transverse tube is welded to the middle part of the shell; the lower part of the inside of the transverse tube is threadedly connected to the air outlet head; the upper end of the transverse tube is threadedly connected to an extension tube; the upper end of the extension tube is threadedly connected to an electromagnetic valve; the upper end of the electromagnetic valve is threadedly connected to an assembly tube.

[0006] Preferably, the support cylinder and the shell are inserted into the interior of the adsorption cylinder, and a rubber pad is glued to the outer wall of the shell.

[0007] Preferably, a compression spring is sleeved on the outer wall of the support tube, and the chuck on the top of the compression spring is welded to the outer wall of the support tube.

[0008] Compared with the prior art, the beneficial effects of the present invention are:

[0009] In the present invention, the support cylinder and the mounting plate are arranged so as to be fixed on the SMT placement machine for use in conjunction with the adsorption cylinder.

[0010] In the present invention, the centrifugal fan, assembly tube, solenoid valve and extension tube are arranged to transport gas to clean the dust interception filter structure, thereby preventing dust from accumulating on the dust interception filter structure and affecting the tightness of adsorption and affecting the work of the SMT placement machine.

[0011] In the utility model, the arrangement of the transverse pipe and the gas outlet head disperses the gas so as to evenly clean the dust interception filter structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural diagram of the present utility model.

[0013] Figure 2 It is a structural schematic diagram of the movable connecting seat structure of the utility model.

[0014] Figure 3 It is a structural schematic diagram of the movable ventilated disk shell structure of the utility model.

[0015] Figure 4 It is a structural schematic diagram of the dust intercepting filter structure of the present utility model.

[0016] Figures 1 to 4 middle:

[0017] 1. Adsorption cylinder; 2. Connecting end; 3. Dust interception filter structure; 31. Limiting ring; 32. Connecting base; 33. Dust screen; 34. Positioning ring; 4. Nozzle; 5. Movable connecting seat structure; 51. Support cylinder; 52. Mounting plate; 53. Centrifugal fan; 54. Movable breathable disk shell structure; 541. Shell; 542. Horizontal tube; 543. Air outlet head; 544. Extension tube; 545. Solenoid valve; 546. Assembly tube; 6. Limiting ring; 7. Compression spring; 8. Chuck. DETAILED DESCRIPTION

[0018] The present invention will be further described below with reference to the accompanying drawings:

[0019] As attached Figure 1 As shown, the suction nozzle structure of an SMT placement machine described in the utility model includes an adsorption cylinder 1, the lower end of the adsorption cylinder 1 is threadedly connected to a nozzle head 4; a connecting end head 2 is welded on the right side of the adsorption cylinder 1; a dust interception filter structure 3 is fixed inside the adsorption cylinder 1; a movable connection seat structure 5 is connected to the upper part of the adsorption cylinder 1; a limiting ring 6 is bolted to the upper part of the outer wall of the adsorption cylinder 1; a compression spring 7 is supported on the limiting ring 6, and the compression spring 7 is sleeved on the outside of the movable connection seat structure 5; a chuck 8 is connected to the outer wall of the movable connection seat structure 5.

[0020] As attached Figure 2As shown, in the above embodiment, specifically, the movable connection seat structure 5 includes a support tube 51, a mounting plate 52 is welded on the top of the support tube 51; a centrifugal fan 53 is threadedly connected to the right side of the support tube 51; and a movable breathable disk shell structure 54 is connected to the bottom of the support tube 51.

[0021] As attached Figure 3 As shown, in the above embodiment, specifically, the movable breathable disk shell structure 54 includes a shell 541, and a transverse tube 542 is welded to the transverse middle part of the shell 541; the lower part of the inside of the transverse tube 542 is threadedly connected to the air outlet head 543; the upper end of the transverse tube 542 is threadedly connected to the extension tube 544; the upper end of the extension tube 544 is threadedly connected to the solenoid valve 545; the upper end of the solenoid valve 545 is threadedly connected to the assembly tube 546; the centrifugal fan 53 is driven and the solenoid valve 545 is opened, so that the assembly tube 546, the extension tube 544, the transverse tube 542 and the air outlet head 543 are used to disperse the air to clean the dust net 33.

[0022] As attached Figure 4 As shown, in the above embodiment, specifically, the dust intercepting filter structure 3 includes a limiting ring 31, and a connecting base 32 is integrally provided on the upper end of the limiting ring 31; a dustproof net 33 is glued to the upper end of the connecting base 32; a positioning ring 34 is sleeved on the outer side of the connecting base 32; by twisting the nozzle head 4 to separate it from the adsorption cylinder 1, the limiting ring 31 can be poured out to drive the dustproof net 33 to be disassembled.

[0023] In the above embodiment, specifically, the support cylinder 51 and the shell 541 are inserted into the interior of the adsorption cylinder 1, and a rubber pad is glued to the outer wall of the shell 541.

[0024] In the above embodiment, specifically, the outer wall of the support tube 51 is sleeved with a compression spring 7 , and the chuck 8 on the top of the compression spring 7 is welded to the outer wall of the support tube 51 .

[0025] In the above embodiment, specifically, an assembly pipe 546 is embedded in the air outlet end of the centrifugal fan 53 , and a support cylinder 51 is fixed by bolts on the upper side of the inner side of the shell 541 .

[0026] In the above embodiment, specifically, a plurality of air outlet heads 543 are provided at the lower end of the transverse pipe 542 , and the air outlet heads 543 are used to clean the upper end of the dustproof net 33 .

[0027] In the above embodiment, specifically, the positioning ring 34 is bolted to the inner wall of the adsorption cylinder 1 , and the limiting ring 31 is supported by the nozzle 4 and fastened with the dustproof net 33 .

[0028] In the above embodiment, specifically, the dustproof net 33 is made of nylon net and is arranged in an arc shape to filter dust and prevent it from entering the pipe connected to the connecting end 2.

[0029] The working principle of the present invention is as follows: when connected to an SMT placement machine to adsorb electronic components for placement, the mounting plate 52 at the upper end of the support cylinder 51 is bolted to the SMT placement machine, and at the same time, the connecting end 2 on the side is connected to the negative pressure adsorption pipe, so that the SMT placement machine can drive the nozzle head 4 at the lower part of the adsorption cylinder 1 to move and contact the electronic components to perform negative pressure adsorption. When cleaning and maintaining during a long period of work, the centrifugal fan 53 is driven and the solenoid valve 545 is opened, so that the assembly tube 546, the extension tube 544, the transverse tube 542 and the air outlet head 543 are used to disperse the air jets to clean the dust net 33 to complete the work.

[0030] Utilizing the technical solution described in the present invention, or those skilled in the art designing similar technical solutions inspired by the technical solution of the present invention to achieve the above-mentioned technical effects, all fall within the scope of protection of the present invention.

Claims

1. A nozzle structure for an SMT placement machine, comprising an adsorption cylinder (1), wherein the lower end of the adsorption cylinder (1) is threadedly connected to a nozzle head (4); a connecting end head (2) is welded on the right side of the adsorption cylinder (1); a dust interception filter structure (3) is fixed inside the adsorption cylinder (1); a movable connection seat structure (5) is connected to the upper part of the adsorption cylinder (1); a limiting ring (6) is bolted to the upper part of the outer wall of the adsorption cylinder (1); a compression spring (7) is supported on the limiting ring (6), and the compression spring (7) is sleeved on the outer side of the movable connection seat structure (5); a chuck (8) is connected to the outer wall of the movable connection seat structure (5), characterized in that: The movable connection seat structure (5) comprises a support tube (51), a mounting plate (52) welded to the top of the support tube (51); a centrifugal fan (53) is threadedly connected to the right side of the support tube (51); and a movable air-permeable disk shell structure (54) is connected to the bottom of the support tube (51).

2. The SMT placement machine nozzle structure according to claim 1, characterized in that: The movable breathable disk shell structure (54) includes a shell (541), a transverse tube (542) is welded to the middle part of the shell (541); the lower part of the interior of the transverse tube (542) is threadedly connected to the air outlet head (543); the upper end of the transverse tube (542) is threadedly connected to the extension tube (544); the upper end of the extension tube (544) is threadedly connected to the solenoid valve (545); the upper end of the solenoid valve (545) is threadedly connected to the assembly tube (546).

3. The SMT placement machine nozzle structure according to claim 1, characterized in that: The dust interception filter structure (3) comprises a limiting ring (31), the upper end of the limiting ring (31) is integrally provided with a connecting seat (32); the upper end of the connecting seat (32) is glued with a dustproof net (33); and the outer side of the connecting seat (32) is sleeved with a positioning ring (34).

4. The SMT placement machine nozzle structure according to claim 1, wherein: The support cylinder (51) and the shell (541) are inserted into the interior of the adsorption cylinder (1), and a rubber pad is glued to the outer wall of the shell (541).

5. The SMT placement machine nozzle structure according to claim 1, characterized in that: The outer wall of the support tube (51) is sleeved with a compression spring (7), and the chuck (8) on the top of the compression spring (7) is welded to the outer wall of the support tube (51).

6. The SMT placement machine nozzle structure according to claim 2, characterized in that: An assembly tube (546) is embedded in the air outlet end of the centrifugal fan (53), and a support cylinder (51) is fixed to the upper side of the interior of the housing (541) by bolts.

7. The SMT placement machine nozzle structure according to claim 2, characterized in that: There are multiple air outlet heads (543) at the lower end of the transverse tube (542), and they are used to clean the upper end of the dustproof net (33).

8. The SMT placement machine nozzle structure according to claim 3, characterized in that: The positioning ring (34) is bolted to the inner wall of the adsorption cylinder (1), the limiting ring (31) is supported by the nozzle (4), and the dustproof net (33) is made of nylon net and is arranged in an arc shape.

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