A circuit board patch nozzle

Abstract

The utility model proposes a circuit board patch suction nozzle, including an inner suction pipe, an outer pipe sleeve, a spring and a buffer suction nozzle; the middle of the inner suction pipe is an axial suction channel I, the upper circumferential side of the inner suction pipe is provided with a circle of snap ring groove, a snap ring is arranged in the snap ring groove, a circle of radially raised convex ring I is fixed to the lower circumferential side of the inner suction pipe, and an external thread is arranged on the lower circumferential side of the inner suction pipe; the outer pipe sleeve is slidably arranged outside the inner suction pipe, the outer pipe sleeve is located between the convex ring I and the snap ring, and a circle of radially raised convex ring II is fixed to the upper circumferential side of the outer pipe sleeve; the spring is sleeved outside the outer pipe sleeve, and the spring is located between the convex ring I and the convex ring II; the middle of the buffer suction nozzle is an axial suction channel II, the suction channel II corresponds to the suction channel I, a connecting groove connected to the lower end of the inner suction pipe is provided in the middle of the upper end surface of the buffer suction nozzle, and an internal thread connected to the external thread is arranged on the inner side wall of the connecting groove. The utility model has a simple structure, simple assembly and high efficiency.

Description

Technical Field

[0001] The utility model relates to the field of circuit board patch, in particular to a circuit board patch suction nozzle. Background Art

[0002] The patching of circuit boards refers to the process of accurately attaching patch components to the surface of circuit boards in an automated manner. Circuit boards are generally placed by automatic placement machines. The nozzle is an important component of the placement machine. When working, the nozzle sucks the components from the tray belt or tray and brings them to the correct position of the printed circuit board to be mounted. However, the existing patch nozzles have the problems of complex structure, troublesome assembly and low assembly efficiency. Utility Model Content

[0003] The utility model provides a circuit board patch suction nozzle, which solves the problems of complex structure, troublesome assembly and low assembly efficiency of the patch suction nozzle in the prior art.

[0004] The technical solution of the utility model is achieved in this way:

[0005] A circuit board patch suction nozzle comprises an inner suction pipe, an outer pipe sleeve, a spring and a buffer suction nozzle; the middle of the inner suction pipe is an axial suction channel I, the upper circumferential side of the inner suction pipe is provided with a circle of snap ring grooves, a snap ring is arranged in the snap ring groove, a circle of radially protruding convex ring I is fixed to the lower circumferential side of the inner suction pipe, and an external thread is arranged on the lower end circumferential side of the inner suction pipe; the outer pipe sleeve is slidably arranged outside the inner suction pipe, the outer pipe sleeve is located between the convex ring I and the snap ring, and a circle of radially protruding convex ring II is fixed to the upper circumferential side of the outer pipe sleeve; the spring is sleeved outside the outer pipe sleeve, and the spring is located between the convex ring I and the convex ring II; the middle of the buffer suction nozzle is an axial suction channel II, the suction channel II corresponds to the suction channel I, a connecting groove connected to the lower end of the inner suction pipe is provided in the middle of the upper end surface of the buffer suction nozzle, and an internal thread connected to the external thread is arranged on the inner side wall of the connecting groove.

[0006] Furthermore, a circle of connecting grooves I is provided on the upper circumferential side surface of the inner suction tube, and the connecting grooves I are located above the clamping ring groove.

[0007] Furthermore, a circle of connecting grooves II is provided on the upper circumferential side surface of the outer sleeve, and the connecting grooves II are located above the convex ring II.

[0008] Furthermore, the lower portion of the buffer suction nozzle is a conical nozzle.

[0009] Furthermore, the buffer nozzle is a silicone nozzle.

[0010] The beneficial effects of the utility model: the utility model is composed of an inner suction tube, an outer tube sleeve, a spring and a buffer suction nozzle, and has a simple structure. During assembly, the spring is sleeved onto the outside of the inner suction tube, and then the outer tube sleeve is inserted between the spring and the inner suction tube, the clamping ring is clamped into the clamping ring groove, and finally the buffer suction nozzle is screwed to the lower end of the inner suction tube. The assembly is simple and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is the front view of the utility model;

[0013] Figure 2 It is a cross-sectional view of the utility model;

[0014] Figure 3 This is a front view of the inner straw in the utility model;

[0015] Figure 4 It is the front view of the middle and outer pipe sleeves of the utility model.

[0016] Reference numerals in the figure: 1-inner suction pipe, 11-intake channel I, 12-clamping ring groove, 13-clamping ring, 14-convex ring I, 15-external thread, 16-connecting groove I, 2-outer tube sleeve, 21-convex ring II, 22-connecting groove II, 3-spring, 4-buffered suction nozzle, 41-intake channel II, 42-connecting groove. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Reference Figure 1-4A circuit board patch suction nozzle comprises an inner suction pipe 1, an outer tube sleeve 2, a spring 3 and a buffer suction nozzle 4; the middle of the inner suction pipe 1 is an axial suction channel I11, a circle of snap ring grooves 12 are provided on the upper circumferential side of the inner suction pipe 1, a snap ring 13 is provided in the snap ring groove 12, a circle of radially raised convex rings I14 are fixed on the lower circumferential side of the inner suction pipe 1, and an external thread 15 is provided on the lower circumferential side of the inner suction pipe 1; the outer tube sleeve 2 is slidably sleeved on the outer side of the inner suction pipe 1, and the outer tube sleeve 2 is located on the convex ring 1 4I and the retaining ring 13, a circle of radially raised convex ring II21 is fixed on the upper circumferential side of the outer tube sleeve 2; the spring 3 is sleeved outside the outer tube sleeve 2, and the spring 3 is located between the convex ring I14 and the convex ring II21; the middle of the buffer suction nozzle 4 is an axial suction channel II41, and the suction channel II41 corresponds to the suction channel I11. A connecting groove 42 connected to the lower end of the inner suction pipe is provided in the middle of the upper end face of the buffer suction nozzle 4, and an internal thread connected to the external thread 15 is provided on the inner side wall of the connecting groove 42.

[0019] As a further embodiment, the upper circumferential side surface of the inner suction pipe 1 is further provided with a circle of connecting grooves I16, which are located above the snap ring groove 12. The upper circumferential side surface of the outer tube sleeve 2 is further provided with a circle of connecting grooves II22, which are located above the convex ring II21. The connecting grooves I16 are convenient for connecting with the external suction pipe through the connector, and the connecting grooves II22 are convenient for connecting with the external mechanical arm or other driving structure.

[0020] As a further embodiment, the lower portion of the buffer suction nozzle 4 is a conical nozzle, and the buffer suction nozzle 4 is a silicone suction nozzle.

[0021] The utility model is composed of an inner suction pipe 1, an outer pipe sleeve 2, a spring 3 and a buffer suction nozzle 4, and has a simple structure. During assembly, the spring 3 is sleeved outside the inner suction pipe 1, and then the outer pipe sleeve 2 is inserted between the spring 3 and the inner suction pipe 1, and the clamping ring 13 is clamped into the clamping ring groove 12, and finally the buffer suction nozzle 4 is screwed to the lower end of the inner suction pipe, which is simple to assemble and highly efficient.

[0022] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A circuit board patch nozzle, characterized in that: include An inner suction pipe, wherein the middle of the inner suction pipe is an axial suction channel I, a circle of snap ring grooves are provided on the upper circumferential side of the inner suction pipe, a snap ring is provided in the snap ring groove, a circle of radially raised convex rings I is fixed on the lower circumferential side of the inner suction pipe, and an external thread is provided on the circumferential side of the lower end of the inner suction pipe; An outer tube sleeve, which is slidable up and down outside the inner suction tube, is located between the convex ring I and the clamping ring, and a circle of radially raised convex ring II is fixed on the upper circumferential side of the outer tube sleeve; A spring, the spring is sleeved outside the outer tube sleeve, and the spring is located between the convex ring I and the convex ring II; A buffer suction nozzle, the middle of the buffer suction nozzle is an axial suction channel II, the suction channel II corresponds to the suction channel I, a connecting groove connected to the lower end of the inner suction tube is provided in the middle of the upper end surface of the buffer suction nozzle, and an internal thread connected to the external thread is provided on the inner side wall of the connecting groove.

2. The circuit board patch nozzle according to claim 1, characterized in that: The upper circumferential side surface of the inner suction tube is also provided with a circle of connecting grooves I, and the connecting grooves I are located above the clamping ring groove.

3. The circuit board patch nozzle according to claim 1, characterized in that: The upper circumferential side surface of the outer sleeve is also provided with a circle of connecting grooves II, and the connecting grooves II are located above the convex ring II.

4. The circuit board patch nozzle according to claim 1, characterized in that: The lower part of the buffer suction nozzle is a conical nozzle.

5. The circuit board patch nozzle according to claim 1, characterized in that: The buffer suction nozzle is a silicone suction nozzle.

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