Automatic suction head cleaning device
By designing a negative pressure suction piece and an automatic cleaning device for the air inlet nozzle, the problem of efficient cleaning when the suction head is clogged is solved, the production efficiency of glue-bonding diamonds and wax-set diamonds is improved and the cost is reduced.
Patent Information
- Application Number
- CN202422768072.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-11-13
AI Technical Summary
In the existing glue-drilling and wax-setting processes, when a single suction head is clogged, it needs to be quickly replaced with a spare suction head and flushed with a high-pressure water gun or air pump, resulting in low efficiency and high cost.
An automatic cleaning suction head device is designed, which includes a negative pressure suction piece and an air inlet nozzle. It uses an airflow compression acceleration channel and a conical airflow contraction channel to achieve automatic cleaning through high-pressure airflow to avoid suction head clogging.
It realizes efficient automatic cleaning of the suction head, reduces the frequency of replacement and flushing, improves production efficiency and reduces costs.
Smart Images

Figure CN223405564U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of industrial processing, in particular to an automatic cleaning suction head device. Background Art
[0002] With the rapid development of modern industry, automated equipment is playing an increasingly important role in product processing. Currently, many automated jewelry processing machines experience problems with adhesive sticking to diamonds or clogging the drill nozzles during wax setting. This prevents the diamonds from being attracted to the machine, preventing them from achieving the desired adhesive or wax setting results. This also reduces production efficiency.
[0003] In the current existing technical solutions, multiple suction heads are usually used. When a single suction head is blocked, a spare suction head is quickly replaced, and then the blocked suction head is removed and flushed with a high-pressure water gun or air pump to unclog it. This is inefficient and costly. Therefore, an automatic suction head cleaning device is provided. Utility Model Content
[0004] In response to the shortcomings of the existing technology, the utility model provides an automatic cleaning suction head device, which solves the problems of low efficiency and high cost in the existing glue-sticking drill and wax-setting drill processes, which usually use multiple suction heads. When a single suction head is blocked, a spare suction head is quickly replaced, and then the blocked suction head is removed and flushed with a high-pressure water gun or air pump for unblocking.
[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an automatic cleaning suction head device, comprising a negative pressure suction piece and an air inlet nozzle mounted on the outer wall of the negative pressure suction piece, wherein an airflow compression acceleration channel is provided inside the negative pressure suction piece, wherein the upper end of the airflow compression acceleration channel is a coarse straight groove, the middle section is a tapered groove, and the lower section is a fine straight groove, and the air inlet nozzle is connected to the side of the coarse straight groove;
[0006] A suction contact piece is provided at the top of the negative pressure suction piece, a positioning portion is provided on the suction contact piece, a conical plug is integrally formed at the lower end of the suction contact piece, an annular chamber is formed between the upper end of the suction contact piece and the thick straight-through groove, a conical airflow contraction channel is formed between the conical plug and the conical groove, and the bottom end of the conical airflow contraction channel is connected to the thin straight-through groove.
[0007] Preferably, the suction contact piece is an externally threaded tube, and a feed channel running through the externally threaded tube is provided in the tube.
[0008] Preferably, the positioning portion is a side positioning groove, and the side positioning groove is opened on the top side of the external threaded tube.
[0009] Preferably, the positioning portion is a top positioning groove, which is horizontally opened at the top of the feed channel, and both ends of the top positioning groove pass through the side wall of the external threaded pipe.
[0010] Preferably, the negative pressure suction piece includes a negative pressure chamber shell, and an outer shell is installed on the outer surface of the negative pressure chamber shell, and the air inlet nozzle is fixedly installed on the outer surface of the outer shell.
[0011] Preferably, an assembly thread groove is opened on the inner top of the negative pressure chamber shell, the external threaded pipe is threadedly connected in the assembly thread groove, the upper end outer surface of the external threaded pipe is threadedly connected with a positioning nut, and the lower surface of the positioning nut is against the top surface of the negative pressure chamber shell.
[0012] Preferably, a discharge head is installed at the bottom end of the outer shell, an air inlet hole is opened on the side of the negative pressure chamber shell, and the inner end of the air inlet nozzle is connected to the air inlet hole.
[0013] Preferably, an assembly positioning groove is provided on the side surface of the bottom end of the negative pressure chamber shell for positioning when assembled with the outer shell.
[0014] The utility model discloses an automatic cleaning suction head device, which has the following beneficial effects: the device is designed with a negative pressure suction piece, and an air inlet nozzle is provided on the side of the negative pressure suction piece, and a suction contact piece is installed on the top of the negative pressure suction piece. When in use, the suction head used for wax inlay or glue-drilling is inserted into the suction contact piece after completing the operation. At this time, high-pressure airflow is introduced through the air inlet nozzle, and the airflow enters through the coarse straight-through groove, and then downwardly enters the fine straight-through groove through the tapered groove, forming airflow compression and further acceleration, thereby forming a downward negative pressure working condition inside the negative pressure suction piece, thereby sucking out the adhered materials in the suction head for wax inlay or glue-drilling, thereby realizing automatic cleaning of the suction head, with high efficiency, low cost, and no need for disassembly for cleaning. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. 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 paying any creative work.
[0016] Figure 1 This is a schematic diagram of the overall outer surface structure of the utility model;
[0017] Figure 2 This is an exploded view of the overall structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the negative pressure suction piece of the utility model;
[0019] Figure 4 This is a cross-sectional view of the internal structure of the negative pressure suction device of the present invention;
[0020] Figure 5 This is a schematic diagram of the top positioning groove structure of the utility model;
[0021] Figure 6 This is a schematic diagram of the utility model applied to a wax-mounted suction head;
[0022] Figure 7 This is a schematic diagram of the utility model being applied to a glue-pointing and drilling suction head.
[0023] In the figure: 1. Outer shell; 2. Air inlet nozzle; 3. Discharge head; 4. Suction contact piece; 41. External threaded tube; 42. Conical plug; 43. Feed channel; 44. Side positioning groove; 45. Top positioning groove; 5. Positioning nut; 6. Negative pressure suction piece; 61. Negative pressure chamber shell; 62. Assembly positioning groove; 63. Air inlet hole; 64. Assembly threaded groove; 65. Conical groove; 66. Thin straight groove; 67. Coarse straight groove. DETAILED DESCRIPTION
[0024] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.
[0025] The embodiment of the present application solves the problems of low efficiency and high cost in the existing glue-sticking and wax-setting diamond processes, which usually use multiple suction heads. When a single suction head is blocked, a spare suction head is quickly replaced, and then the blocked suction head is removed and flushed with a high-pressure water gun or air pump for unblocking.
[0026] In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation methods.
[0027] The embodiment of the utility model discloses an automatic cleaning suction head device.
[0028] According to the attached Figure 1-7 As shown, it includes a negative pressure suction member 6 and an air inlet nozzle 2 installed on the outer wall of the negative pressure suction member 6. An airflow compression acceleration channel is provided inside the negative pressure suction member 6. The upper end of the airflow compression acceleration channel is a coarse straight groove 67, the middle section is a tapered groove 65, and the lower section is a thin straight groove 66. The air inlet nozzle 2 is connected to the side of the coarse straight groove 67.
[0029] A suction contact piece 4 is provided at the top of the negative pressure suction piece 6, and a positioning portion is provided on the suction contact piece 4. A conical plug 42 is integrally formed at the lower end of the suction contact piece 4. An annular chamber is formed between the upper end of the suction contact piece 4 and the thick straight-through groove 67, and a conical airflow contraction channel is formed between the conical plug 42 and the conical groove 65, and the bottom end of the conical airflow contraction channel is connected to the fine straight-through groove 66.
[0030] During use, the suction head for wax inlay or glue-on drilling is inserted into the suction contact piece 4 after completing this operation. At this time, high-pressure airflow is introduced through the air inlet nozzle 2, and the airflow enters through the coarse straight-through groove 67, and then passes through the tapered groove 65 downward into the fine straight-through groove 66, forming airflow compression and further acceleration, thereby forming a downward negative pressure working condition inside the negative pressure suction piece 6, thereby sucking out the adhered material in the suction head for wax inlay or glue-on drilling, thereby realizing automatic cleaning of the suction head, which is highly efficient, low-cost, and does not require disassembly for cleaning.
[0031] The negative pressure suction component 6 includes a negative pressure chamber shell 61 , and an outer shell 1 is installed on the outer surface of the negative pressure chamber shell 61 , and the air inlet nozzle 2 is fixedly installed on the outer surface of the outer shell 1 .
[0032] The suction contact piece 4 is an externally threaded tube 41, which is provided with a feed channel 43 running through it from top to bottom. An assembly thread groove 64 is provided at the inner top of the negative pressure chamber shell 61, and the externally threaded tube 41 is threadedly connected in the assembly thread groove 64, thereby facilitating the disassembly and assembly of the suction contact piece 4.
[0033] The positioning portion is a side positioning groove 44, which is opened on the top side of the external threaded tube 41. At this time, the suction contact part 4 is suitable for the wax-inlaid suction head, ensuring that the top of the feed channel 43 is a circular hole, so that the wax-inlaid suction head is inserted into the feed channel 43 and fits with the inner wall of the feed channel 43. At the same time, the side positioning groove 44 is used to facilitate rotation by clamping with pliers, and the side positioning groove 44 is used for positioning, so that the width of the tapered airflow contraction channel between the tapered plug 42 and the tapered groove 65 meets the use requirements.
[0034] The positioning portion is a top positioning groove 45, which is horizontally opened at the top of the feed channel 43, and both ends of the top positioning groove 45 pass through the side walls of the external threaded tube 41, and are adapted to the glue-on drill suction head through the top positioning groove 45. After the glue-on drill suction head is inserted into the feed channel 43, it is calibrated and positioned through the top positioning groove 45, and is in close contact with the glue-on drill suction head. At the same time, during installation, a flat-head screwdriver is inserted into the top positioning groove 45 for rotational adjustment, and the top positioning groove 45 is used for positioning, so that the width of the tapered airflow contraction channel between the tapered plug 42 and the tapered groove 65 meets the use requirements.
[0035] The outer surface of the upper end of the externally threaded tube 41 is threadedly connected with a positioning nut 5 , and the lower surface of the positioning nut 5 abuts against the top surface of the negative pressure chamber shell 61 .
[0036] A discharge head 3 is installed at the bottom end of the outer shell 1, an air inlet hole 63 is provided on the side of the negative pressure chamber shell 61, the inner end of the air inlet nozzle 2 is connected to the air inlet hole 63, and an assembly positioning groove 62 is provided on the bottom side of the negative pressure chamber shell 61 for positioning when assembling with the outer shell 1, so that when the negative pressure chamber shell 61 is inserted into the outer shell 1, the air inlet nozzle 2 can face the air inlet hole 63.
[0037] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.
Claims
1. An automatic cleaning suction head device, comprising a negative pressure suction member (6) and an air inlet nozzle (2) mounted on the outer wall of the negative pressure suction member (6), characterized in that: An airflow compression acceleration channel is provided inside the negative pressure suction member (6), wherein the upper end of the airflow compression acceleration channel is a coarse straight-through groove (67), the middle section is a tapered groove (65), and the lower section is a fine straight-through groove (66), and the air inlet nozzle (2) is connected to the side of the coarse straight-through groove (67); A suction contact piece (4) is provided at the top of the negative pressure suction piece (6), a positioning portion is provided on the suction contact piece (4), a conical plug (42) is integrally formed at the lower end of the suction contact piece (4), an annular chamber is formed between the upper end of the suction contact piece (4) and the thick straight groove (67), a conical airflow contraction channel is formed between the conical plug (42) and the conical groove (65), and the bottom end of the conical airflow contraction channel is connected to the thin straight groove (66).
2. The automatic cleaning suction head device according to claim 1, characterized in that: The suction contact member (4) is an externally threaded tube (41), and a feed channel (43) is provided in the externally threaded tube (41) running through it from top to bottom.
3. The automatic cleaning suction head device according to claim 2, characterized in that: The positioning portion is a side positioning groove (44), and the side positioning groove (44) is opened on the top side of the external threaded tube (41).
4. The automatic cleaning suction head device according to claim 2, characterized in that: The positioning portion is a top positioning groove (45), which is horizontally opened at the top of the feed channel (43), and both ends of the top positioning groove (45) pass through the side wall of the external threaded tube (41).
5. The automatic cleaning suction head device according to claim 2, characterized in that: The negative pressure suction piece (6) comprises a negative pressure chamber shell (61), and an outer shell (1) is mounted on the outer surface of the negative pressure chamber shell (61), and the air inlet nozzle (2) is fixedly mounted on the outer surface of the outer shell (1).
6. The automatic cleaning suction head device according to claim 5, characterized in that: An assembly thread groove (64) is provided on the inner top of the negative pressure chamber shell (61), and the external threaded tube (41) is threadedly connected to the assembly thread groove (64). A positioning nut (5) is threadedly connected to the outer surface of the upper end of the external threaded tube (41), and the lower surface of the positioning nut (5) is in contact with the top surface of the negative pressure chamber shell (61).
7. The automatic cleaning suction head device according to claim 6, characterized in that: A discharge head (3) is installed at the bottom end of the outer shell (1), an air inlet (63) is opened on the side of the negative pressure chamber shell (61), and the inner end of the air inlet nozzle (2) is connected to the air inlet (63).
8. The automatic cleaning suction head device according to claim 5, characterized in that: The bottom side of the negative pressure chamber shell (61) is provided with an assembly positioning groove (62) for positioning when assembled with the outer shell (1).